diff --git a/README.md b/README.md
index acda29da..44fd00b6 100755
--- a/README.md
+++ b/README.md
@@ -125,1304 +125,1304 @@
 
 |    |  Easy  |  Medium  |  Hard |  Total |
 |:--------:|:--------:|:--------:|:--------:|:--------:|
-|Optimizing|38|45|15|98|
-|Accepted|**251**|**321**|**96**|**668**|
-|Total|461|908|370|1739|
-|Perfection Rate|84.9%|86.0%|84.4%|85.3%|
-|Completion Rate|54.4%|35.4%|25.9%|38.4%|
+|Optimizing|39|49|18|106|
+|Accepted|**251**|**326**|**99**|**676**|
+|Total|461|921|373|1755|
+|Perfection Rate|84.5%|85.0%|81.8%|84.3%|
+|Completion Rate|54.4%|35.4%|26.5%|38.5%|
 |------------|----------------------------|----------------------------|----------------------------|----------------------------|
 
 ## 二. 目录
 
-以下已经收录了 570 道题的题解，还有 13 道题在尝试优化到 beats 100%
+以下已经收录了 570 道题的题解，还有 10 道题在尝试优化到 beats 100%
 
 | No.    |  Title  |  Solution  |  Acceptance |  Difficulty |  Frequency |
 |:--------:|:--------------------------------------------------------------|:--------:|:--------:|:--------:|:--------:|
-|0001|Two Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0001.Two-Sum)|46.3%|Easy||
-|0002|Add Two Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0002.Add-Two-Numbers)|35.2%|Medium||
-|0003|Longest Substring Without Repeating Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0003.Longest-Substring-Without-Repeating-Characters)|31.3%|Medium||
-|0004|Median of Two Sorted Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0004.Median-of-Two-Sorted-Arrays)|30.8%|Hard||
+|0001|Two Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0001.Two-Sum)|46.4%|Easy||
+|0002|Add Two Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0002.Add-Two-Numbers)|35.3%|Medium||
+|0003|Longest Substring Without Repeating Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0003.Longest-Substring-Without-Repeating-Characters)|31.4%|Medium||
+|0004|Median of Two Sorted Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0004.Median-of-Two-Sorted-Arrays)|30.9%|Hard||
 |0005|Longest Palindromic Substring||30.4%|Medium||
-|0006|ZigZag Conversion||37.7%|Medium||
+|0006|ZigZag Conversion||37.8%|Medium||
 |0007|Reverse Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0007.Reverse-Integer)|25.9%|Easy||
 |0008|String to Integer (atoi)||15.6%|Medium||
-|0009|Palindrome Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0009.Palindrome-Number)|49.5%|Easy||
+|0009|Palindrome Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0009.Palindrome-Number)|49.6%|Easy||
 |0010|Regular Expression Matching||27.3%|Hard||
-|0011|Container With Most Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0011.Container-With-Most-Water)|52.2%|Medium||
-|0012|Integer to Roman||56.0%|Medium||
-|0013|Roman to Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0013.Roman-to-Integer)|56.4%|Easy||
-|0014|Longest Common Prefix||36.0%|Easy||
-|0015|3Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0015.3Sum)|27.8%|Medium||
+|0011|Container With Most Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0011.Container-With-Most-Water)|52.3%|Medium||
+|0012|Integer to Roman||56.1%|Medium||
+|0013|Roman to Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0013.Roman-to-Integer)|56.5%|Easy||
+|0014|Longest Common Prefix||36.1%|Easy||
+|0015|3Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0015.3Sum)|27.9%|Medium||
 |0016|3Sum Closest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0016.3Sum-Closest)|46.3%|Medium||
-|0017|Letter Combinations of a Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0017.Letter-Combinations-of-a-Phone-Number)|48.8%|Medium||
-|0018|4Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0018.4Sum)|34.7%|Medium||
-|0019|Remove Nth Node From End of List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0019.Remove-Nth-Node-From-End-of-List)|35.6%|Medium||
+|0017|Letter Combinations of a Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0017.Letter-Combinations-of-a-Phone-Number)|48.9%|Medium||
+|0018|4Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0018.4Sum)|34.8%|Medium||
+|0019|Remove Nth Node From End of List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0019.Remove-Nth-Node-From-End-of-List)|35.7%|Medium||
 |0020|Valid Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0020.Valid-Parentheses)|39.8%|Easy||
-|0021|Merge Two Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0021.Merge-Two-Sorted-Lists)|55.7%|Easy||
-|0022|Generate Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0022.Generate-Parentheses)|64.9%|Medium||
-|0023|Merge k Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0023.Merge-k-Sorted-Lists)|42.4%|Hard||
-|0024|Swap Nodes in Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0024.Swap-Nodes-in-Pairs)|52.7%|Medium||
-|0025|Reverse Nodes in k-Group|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0025.Reverse-Nodes-in-k-Group)|44.4%|Hard||
-|0026|Remove Duplicates from Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0026.Remove-Duplicates-from-Sorted-Array)|46.4%|Easy||
-|0027|Remove Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0027.Remove-Element)|49.1%|Easy||
+|0021|Merge Two Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0021.Merge-Two-Sorted-Lists)|55.9%|Easy||
+|0022|Generate Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0022.Generate-Parentheses)|65.1%|Medium||
+|0023|Merge k Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0023.Merge-k-Sorted-Lists)|42.5%|Hard||
+|0024|Swap Nodes in Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0024.Swap-Nodes-in-Pairs)|52.9%|Medium||
+|0025|Reverse Nodes in k-Group|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0025.Reverse-Nodes-in-k-Group)|44.6%|Hard||
+|0026|Remove Duplicates from Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0026.Remove-Duplicates-from-Sorted-Array)|46.5%|Easy||
+|0027|Remove Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0027.Remove-Element)|49.2%|Easy||
 |0028|Implement strStr()|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0028.Implement-strStr())|35.1%|Easy||
 |0029|Divide Two Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0029.Divide-Two-Integers)|16.6%|Medium||
 |0030|Substring with Concatenation of All Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0030.Substring-with-Concatenation-of-All-Words)|26.1%|Hard||
-|0031|Next Permutation||33.3%|Medium||
+|0031|Next Permutation||33.7%|Medium||
 |0032|Longest Valid Parentheses||29.2%|Hard||
-|0033|Search in Rotated Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0033.Search-in-Rotated-Sorted-Array)|35.7%|Medium||
-|0034|Find First and Last Position of Element in Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array)|37.1%|Medium||
+|0033|Search in Rotated Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0033.Search-in-Rotated-Sorted-Array)|35.8%|Medium||
+|0034|Find First and Last Position of Element in Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array)|37.2%|Medium||
 |0035|Search Insert Position|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0035.Search-Insert-Position)|42.8%|Easy||
-|0036|Valid Sudoku|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0036.Valid-Sudoku)|50.3%|Medium||
-|0037|Sudoku Solver|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0037.Sudoku-Solver)|46.1%|Hard||
+|0036|Valid Sudoku|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0036.Valid-Sudoku)|50.4%|Medium||
+|0037|Sudoku Solver|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0037.Sudoku-Solver)|46.3%|Hard||
 |0038|Count and Say||45.9%|Easy||
-|0039|Combination Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0039.Combination-Sum)|58.9%|Medium||
-|0040|Combination Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0040.Combination-Sum-II)|49.9%|Medium||
-|0041|First Missing Positive|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0041.First-Missing-Positive)|33.5%|Hard||
-|0042|Trapping Rain Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0042.Trapping-Rain-Water)|50.8%|Hard||
-|0043|Multiply Strings||34.8%|Medium||
-|0044|Wildcard Matching||25.3%|Hard||
-|0045|Jump Game II||31.3%|Hard||
-|0046|Permutations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0046.Permutations)|66.2%|Medium||
-|0047|Permutations II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0047.Permutations-II)|49.1%|Medium||
-|0048|Rotate Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0048.Rotate-Image)|59.5%|Medium||
-|0049|Group Anagrams|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0049.Group-Anagrams)|58.9%|Medium||
-|0050|Pow(x, n)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0050.Pow(x,-n))|30.8%|Medium||
-|0051|N-Queens|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0051.N-Queens)|49.2%|Hard||
-|0052|N-Queens II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0052.N-Queens-II)|59.8%|Hard||
-|0053|Maximum Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0053.Maximum-Subarray)|47.6%|Easy||
-|0054|Spiral Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0054.Spiral-Matrix)|35.6%|Medium||
+|0039|Combination Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0039.Combination-Sum)|59.0%|Medium||
+|0040|Combination Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0040.Combination-Sum-II)|50.0%|Medium||
+|0041|First Missing Positive|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0041.First-Missing-Positive)|33.6%|Hard||
+|0042|Trapping Rain Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0042.Trapping-Rain-Water)|51.0%|Hard||
+|0043|Multiply Strings||34.9%|Medium||
+|0044|Wildcard Matching||25.4%|Hard||
+|0045|Jump Game II||31.4%|Hard||
+|0046|Permutations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0046.Permutations)|66.4%|Medium||
+|0047|Permutations II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0047.Permutations-II)|49.2%|Medium||
+|0048|Rotate Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0048.Rotate-Image)|59.7%|Medium||
+|0049|Group Anagrams|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0049.Group-Anagrams)|59.1%|Medium||
+|0050|Pow(x, n)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0050.Pow(x,-n))|30.9%|Medium||
+|0051|N-Queens|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0051.N-Queens)|49.4%|Hard||
+|0052|N-Queens II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0052.N-Queens-II)|59.9%|Hard||
+|0053|Maximum Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0053.Maximum-Subarray)|47.7%|Easy||
+|0054|Spiral Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0054.Spiral-Matrix)|35.8%|Medium||
 |0055|Jump Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0055.Jump-Game)|35.1%|Medium||
-|0056|Merge Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0056.Merge-Intervals)|40.7%|Medium||
-|0057|Insert Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0057.Insert-Interval)|34.9%|Medium||
-|0058|Length of Last Word||33.4%|Easy||
-|0059|Spiral Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0059.Spiral-Matrix-II)|57.5%|Medium||
-|0060|Permutation Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0060.Permutation-Sequence)|39.2%|Hard||
-|0061|Rotate List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0061.Rotate-List)|31.6%|Medium||
-|0062|Unique Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0062.Unique-Paths)|55.7%|Medium||
+|0056|Merge Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0056.Merge-Intervals)|40.9%|Medium||
+|0057|Insert Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0057.Insert-Interval)|35.0%|Medium||
+|0058|Length of Last Word||33.5%|Easy||
+|0059|Spiral Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0059.Spiral-Matrix-II)|57.6%|Medium||
+|0060|Permutation Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0060.Permutation-Sequence)|39.3%|Hard||
+|0061|Rotate List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0061.Rotate-List)|31.7%|Medium||
+|0062|Unique Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0062.Unique-Paths)|55.8%|Medium||
 |0063|Unique Paths II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0063.Unique-Paths-II)|35.2%|Medium||
-|0064|Minimum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0064.Minimum-Path-Sum)|56.0%|Medium||
+|0064|Minimum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0064.Minimum-Path-Sum)|56.1%|Medium||
 |0065|Valid Number||15.8%|Hard||
 |0066|Plus One|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0066.Plus-One)|42.4%|Easy||
-|0067|Add Binary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0067.Add-Binary)|46.7%|Easy||
-|0068|Text Justification||29.3%|Hard||
-|0069|Sqrt(x)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0069.Sqrt(x))|34.9%|Easy||
-|0070|Climbing Stairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0070.Climbing-Stairs)|48.5%|Easy||
-|0071|Simplify Path|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0071.Simplify-Path)|33.6%|Medium||
-|0072|Edit Distance||46.5%|Hard||
-|0073|Set Matrix Zeroes||44.1%|Medium||
-|0074|Search a 2D Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0074.Search-a-2D-Matrix)|37.5%|Medium||
-|0075|Sort Colors|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0075.Sort-Colors)|49.0%|Medium||
-|0076|Minimum Window Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0076.Minimum-Window-Substring)|35.8%|Hard||
-|0077|Combinations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0077.Combinations)|57.1%|Medium||
-|0078|Subsets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0078.Subsets)|64.6%|Medium||
-|0079|Word Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0079.Word-Search)|36.6%|Medium||
-|0080|Remove Duplicates from Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0080.Remove-Duplicates-from-Sorted-Array-II)|45.9%|Medium||
+|0067|Add Binary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0067.Add-Binary)|46.8%|Easy||
+|0068|Text Justification||29.5%|Hard||
+|0069|Sqrt(x)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0069.Sqrt(x))|35.0%|Easy||
+|0070|Climbing Stairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0070.Climbing-Stairs)|48.6%|Easy||
+|0071|Simplify Path|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0071.Simplify-Path)|34.6%|Medium||
+|0072|Edit Distance||46.6%|Hard||
+|0073|Set Matrix Zeroes||44.2%|Medium||
+|0074|Search a 2D Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0074.Search-a-2D-Matrix)|37.6%|Medium||
+|0075|Sort Colors|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0075.Sort-Colors)|49.2%|Medium||
+|0076|Minimum Window Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0076.Minimum-Window-Substring)|35.9%|Hard||
+|0077|Combinations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0077.Combinations)|57.2%|Medium||
+|0078|Subsets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0078.Subsets)|64.8%|Medium||
+|0079|Word Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0079.Word-Search)|36.7%|Medium||
+|0080|Remove Duplicates from Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0080.Remove-Duplicates-from-Sorted-Array-II)|46.0%|Medium||
 |0081|Search in Rotated Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0081.Search-in-Rotated-Sorted-Array-II)|33.5%|Medium||
-|0082|Remove Duplicates from Sorted List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0082.Remove-Duplicates-from-Sorted-List-II)|39.0%|Medium||
-|0083|Remove Duplicates from Sorted List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0083.Remove-Duplicates-from-Sorted-List)|46.3%|Easy||
-|0084|Largest Rectangle in Histogram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0084.Largest-Rectangle-in-Histogram)|36.9%|Hard||
+|0082|Remove Duplicates from Sorted List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0082.Remove-Duplicates-from-Sorted-List-II)|39.1%|Medium||
+|0083|Remove Duplicates from Sorted List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0083.Remove-Duplicates-from-Sorted-List)|46.4%|Easy||
+|0084|Largest Rectangle in Histogram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0084.Largest-Rectangle-in-Histogram)|37.0%|Hard||
 |0085|Maximal Rectangle||39.3%|Hard||
-|0086|Partition List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0086.Partition-List)|43.1%|Medium||
-|0087|Scramble String||34.5%|Hard||
-|0088|Merge Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0088.Merge-Sorted-Array)|40.6%|Easy||
-|0089|Gray Code|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0089.Gray-Code)|50.1%|Medium||
-|0090|Subsets II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0090.Subsets-II)|48.6%|Medium||
-|0091|Decode Ways|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0091.Decode-Ways)|26.3%|Medium||
-|0092|Reverse Linked List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0092.Reverse-Linked-List-II)|40.3%|Medium||
-|0093|Restore IP Addresses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0093.Restore-IP-Addresses)|37.3%|Medium||
-|0094|Binary Tree Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0094.Binary-Tree-Inorder-Traversal)|65.5%|Medium||
-|0095|Unique Binary Search Trees II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0095.Unique-Binary-Search-Trees-II)|42.2%|Medium||
-|0096|Unique Binary Search Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0096.Unique-Binary-Search-Trees)|54.2%|Medium||
-|0097|Interleaving String||32.4%|Hard||
-|0098|Validate Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0098.Validate-Binary-Search-Tree)|28.6%|Medium||
-|0099|Recover Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0099.Recover-Binary-Search-Tree)|42.2%|Hard||
-|0100|Same Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0100.Same-Tree)|54.0%|Easy||
-|0101|Symmetric Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0101.Symmetric-Tree)|47.9%|Easy||
-|0102|Binary Tree Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0102.Binary-Tree-Level-Order-Traversal)|56.3%|Medium||
-|0103|Binary Tree Zigzag Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0103.Binary-Tree-Zigzag-Level-Order-Traversal)|49.8%|Medium||
-|0104|Maximum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0104.Maximum-Depth-of-Binary-Tree)|67.8%|Easy||
-|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal)|51.4%|Medium||
-|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal)|49.3%|Medium||
-|0107|Binary Tree Level Order Traversal II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0107.Binary-Tree-Level-Order-Traversal-II)|54.9%|Easy||
-|0108|Convert Sorted Array to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0108.Convert-Sorted-Array-to-Binary-Search-Tree)|60.1%|Easy||
-|0109|Convert Sorted List to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0109.Convert-Sorted-List-to-Binary-Search-Tree)|49.9%|Medium||
-|0110|Balanced Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0110.Balanced-Binary-Tree)|44.6%|Easy||
-|0111|Minimum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0111.Minimum-Depth-of-Binary-Tree)|39.3%|Easy||
-|0112|Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0112.Path-Sum)|42.2%|Easy||
-|0113|Path Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0113.Path-Sum-II)|48.7%|Medium||
-|0114|Flatten Binary Tree to Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0114.Flatten-Binary-Tree-to-Linked-List)|51.5%|Medium||
-|0115|Distinct Subsequences||39.5%|Hard||
-|0116|Populating Next Right Pointers in Each Node||48.6%|Medium||
-|0117|Populating Next Right Pointers in Each Node II||41.8%|Medium||
-|0118|Pascal's Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0118.Pascal's-Triangle)|54.5%|Easy||
-|0119|Pascal's Triangle II||51.9%|Easy||
-|0120|Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0120.Triangle)|45.5%|Medium||
-|0121|Best Time to Buy and Sell Stock|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0121.Best-Time-to-Buy-and-Sell-Stock)|51.3%|Easy||
-|0122|Best Time to Buy and Sell Stock II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0122.Best-Time-to-Buy-and-Sell-Stock-II)|58.3%|Easy||
-|0123|Best Time to Buy and Sell Stock III||39.7%|Hard||
-|0124|Binary Tree Maximum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0124.Binary-Tree-Maximum-Path-Sum)|35.3%|Hard||
-|0125|Valid Palindrome|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0125.Valid-Palindrome)|38.0%|Easy||
-|0126|Word Ladder II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0126.Word-Ladder-II)|23.5%|Hard||
-|0127|Word Ladder|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0127.Word-Ladder)|31.5%|Hard||
-|0128|Longest Consecutive Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0128.Longest-Consecutive-Sequence)|46.1%|Hard||
-|0129|Sum Root to Leaf Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0129.Sum-Root-to-Leaf-Numbers)|50.6%|Medium||
-|0130|Surrounded Regions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0130.Surrounded-Regions)|29.2%|Medium||
-|0131|Palindrome Partitioning|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0131.Palindrome-Partitioning)|51.5%|Medium||
+|0086|Partition List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0086.Partition-List)|43.2%|Medium||
+|0087|Scramble String||34.6%|Hard||
+|0088|Merge Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0088.Merge-Sorted-Array)|40.7%|Easy||
+|0089|Gray Code|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0089.Gray-Code)|50.3%|Medium||
+|0090|Subsets II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0090.Subsets-II)|48.7%|Medium||
+|0091|Decode Ways|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0091.Decode-Ways)|26.4%|Medium||
+|0092|Reverse Linked List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0092.Reverse-Linked-List-II)|40.4%|Medium||
+|0093|Restore IP Addresses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0093.Restore-IP-Addresses)|37.4%|Medium||
+|0094|Binary Tree Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0094.Binary-Tree-Inorder-Traversal)|65.7%|Medium||
+|0095|Unique Binary Search Trees II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0095.Unique-Binary-Search-Trees-II)|42.3%|Medium||
+|0096|Unique Binary Search Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0096.Unique-Binary-Search-Trees)|54.3%|Medium||
+|0097|Interleaving String||32.5%|Hard||
+|0098|Validate Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0098.Validate-Binary-Search-Tree)|28.7%|Medium||
+|0099|Recover Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0099.Recover-Binary-Search-Tree)|42.3%|Hard||
+|0100|Same Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0100.Same-Tree)|54.1%|Easy||
+|0101|Symmetric Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0101.Symmetric-Tree)|48.0%|Easy||
+|0102|Binary Tree Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0102.Binary-Tree-Level-Order-Traversal)|56.4%|Medium||
+|0103|Binary Tree Zigzag Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0103.Binary-Tree-Zigzag-Level-Order-Traversal)|50.0%|Medium||
+|0104|Maximum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0104.Maximum-Depth-of-Binary-Tree)|67.9%|Easy||
+|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal)|51.5%|Medium||
+|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal)|49.4%|Medium||
+|0107|Binary Tree Level Order Traversal II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0107.Binary-Tree-Level-Order-Traversal-II)|55.1%|Easy||
+|0108|Convert Sorted Array to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0108.Convert-Sorted-Array-to-Binary-Search-Tree)|60.2%|Easy||
+|0109|Convert Sorted List to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0109.Convert-Sorted-List-to-Binary-Search-Tree)|50.0%|Medium||
+|0110|Balanced Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0110.Balanced-Binary-Tree)|44.7%|Easy||
+|0111|Minimum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0111.Minimum-Depth-of-Binary-Tree)|39.4%|Easy||
+|0112|Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0112.Path-Sum)|42.3%|Easy||
+|0113|Path Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0113.Path-Sum-II)|48.9%|Medium||
+|0114|Flatten Binary Tree to Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0114.Flatten-Binary-Tree-to-Linked-List)|51.7%|Medium||
+|0115|Distinct Subsequences||39.6%|Hard||
+|0116|Populating Next Right Pointers in Each Node||48.8%|Medium||
+|0117|Populating Next Right Pointers in Each Node II||41.9%|Medium||
+|0118|Pascal's Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0118.Pascal's-Triangle)|54.6%|Easy||
+|0119|Pascal's Triangle II||52.0%|Easy||
+|0120|Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0120.Triangle)|45.6%|Medium||
+|0121|Best Time to Buy and Sell Stock|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0121.Best-Time-to-Buy-and-Sell-Stock)|51.5%|Easy||
+|0122|Best Time to Buy and Sell Stock II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0122.Best-Time-to-Buy-and-Sell-Stock-II)|58.4%|Easy||
+|0123|Best Time to Buy and Sell Stock III||39.8%|Hard||
+|0124|Binary Tree Maximum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0124.Binary-Tree-Maximum-Path-Sum)|35.4%|Hard||
+|0125|Valid Palindrome|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0125.Valid-Palindrome)|38.1%|Easy||
+|0126|Word Ladder II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0126.Word-Ladder-II)|23.6%|Hard||
+|0127|Word Ladder|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0127.Word-Ladder)|31.6%|Hard||
+|0128|Longest Consecutive Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0128.Longest-Consecutive-Sequence)|46.2%|Hard||
+|0129|Sum Root to Leaf Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0129.Sum-Root-to-Leaf-Numbers)|50.8%|Medium||
+|0130|Surrounded Regions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0130.Surrounded-Regions)|29.3%|Medium||
+|0131|Palindrome Partitioning|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0131.Palindrome-Partitioning)|51.7%|Medium||
 |0132|Palindrome Partitioning II||31.1%|Hard||
-|0133|Clone Graph||38.7%|Medium||
-|0134|Gas Station||41.0%|Medium||
-|0135|Candy||32.8%|Hard||
-|0136|Single Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0136.Single-Number)|66.4%|Easy||
-|0137|Single Number II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0137.Single-Number-II)|53.6%|Medium||
-|0138|Copy List with Random Pointer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0138.Copy-List-with-Random-Pointer)|39.6%|Medium||
-|0139|Word Break||41.5%|Medium||
-|0140|Word Break II||34.4%|Hard||
-|0141|Linked List Cycle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0141.Linked-List-Cycle)|42.3%|Easy||
-|0142|Linked List Cycle II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0142.Linked-List-Cycle-II)|39.4%|Medium||
-|0143|Reorder List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0143.Reorder-List)|40.3%|Medium||
-|0144|Binary Tree Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0144.Binary-Tree-Preorder-Traversal)|57.2%|Medium||
-|0145|Binary Tree Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0145.Binary-Tree-Postorder-Traversal)|57.2%|Medium||
-|0146|LRU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0146.LRU-Cache)|35.3%|Medium||
-|0147|Insertion Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0147.Insertion-Sort-List)|44.2%|Medium||
-|0148|Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0148.Sort-List)|45.9%|Medium||
+|0133|Clone Graph||38.9%|Medium||
+|0134|Gas Station||41.1%|Medium||
+|0135|Candy||32.9%|Hard||
+|0136|Single Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0136.Single-Number)|66.5%|Easy||
+|0137|Single Number II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0137.Single-Number-II)|53.7%|Medium||
+|0138|Copy List with Random Pointer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0138.Copy-List-with-Random-Pointer)|39.9%|Medium||
+|0139|Word Break||41.6%|Medium||
+|0140|Word Break II||34.5%|Hard||
+|0141|Linked List Cycle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0141.Linked-List-Cycle)|42.8%|Easy||
+|0142|Linked List Cycle II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0142.Linked-List-Cycle-II)|39.5%|Medium||
+|0143|Reorder List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0143.Reorder-List)|40.4%|Medium||
+|0144|Binary Tree Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0144.Binary-Tree-Preorder-Traversal)|57.3%|Medium||
+|0145|Binary Tree Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0145.Binary-Tree-Postorder-Traversal)|57.4%|Medium||
+|0146|LRU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0146.LRU-Cache)|35.5%|Medium||
+|0147|Insertion Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0147.Insertion-Sort-List)|44.3%|Medium||
+|0148|Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0148.Sort-List)|46.1%|Medium||
 |0149|Max Points on a Line||17.3%|Hard||
-|0150|Evaluate Reverse Polish Notation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0150.Evaluate-Reverse-Polish-Notation)|37.6%|Medium||
-|0151|Reverse Words in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0151.Reverse-Words-in-a-String)|23.4%|Medium||
+|0150|Evaluate Reverse Polish Notation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0150.Evaluate-Reverse-Polish-Notation)|37.8%|Medium||
+|0151|Reverse Words in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0151.Reverse-Words-in-a-String)|23.5%|Medium||
 |0152|Maximum Product Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0152.Maximum-Product-Subarray)|32.7%|Medium||
 |0153|Find Minimum in Rotated Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0153.Find-Minimum-in-Rotated-Sorted-Array)|46.0%|Medium||
-|0154|Find Minimum in Rotated Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0154.Find-Minimum-in-Rotated-Sorted-Array-II)|41.9%|Hard||
-|0155|Min Stack|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0155.Min-Stack)|46.1%|Easy||
-|0156|Binary Tree Upside Down||56.2%|Medium||
-|0157|Read N Characters Given Read4||37.0%|Easy||
-|0158|Read N Characters Given Read4 II - Call multiple times||36.4%|Hard||
-|0159|Longest Substring with At Most Two Distinct Characters||50.3%|Medium||
-|0160|Intersection of Two Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0160.Intersection-of-Two-Linked-Lists)|42.8%|Easy||
+|0154|Find Minimum in Rotated Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0154.Find-Minimum-in-Rotated-Sorted-Array-II)|42.0%|Hard||
+|0155|Min Stack|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0155.Min-Stack)|46.2%|Easy||
+|0156|Binary Tree Upside Down||56.3%|Medium||
+|0157|Read N Characters Given Read4||37.1%|Easy||
+|0158|Read N Characters Given Read4 II - Call multiple times||36.6%|Hard||
+|0159|Longest Substring with At Most Two Distinct Characters||50.4%|Medium||
+|0160|Intersection of Two Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0160.Intersection-of-Two-Linked-Lists)|42.9%|Easy||
 |0161|One Edit Distance||33.0%|Medium||
 |0162|Find Peak Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0162.Find-Peak-Element)|43.9%|Medium||
-|0163|Missing Ranges||26.5%|Easy||
-|0164|Maximum Gap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0164.Maximum-Gap)|36.6%|Hard||
-|0165|Compare Version Numbers||30.2%|Medium||
+|0163|Missing Ranges||26.7%|Easy||
+|0164|Maximum Gap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0164.Maximum-Gap)|36.7%|Hard||
+|0165|Compare Version Numbers||30.3%|Medium||
 |0166|Fraction to Recurring Decimal||22.2%|Medium||
-|0167|Two Sum II - Input array is sorted|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0167.Two-Sum-II---Input-array-is-sorted)|55.4%|Easy||
-|0168|Excel Sheet Column Title|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0168.Excel-Sheet-Column-Title)|31.6%|Easy||
-|0169|Majority Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0169.Majority-Element)|59.9%|Easy||
+|0167|Two Sum II - Input array is sorted|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0167.Two-Sum-II---Input-array-is-sorted)|55.5%|Easy||
+|0168|Excel Sheet Column Title|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0168.Excel-Sheet-Column-Title)|31.7%|Easy||
+|0169|Majority Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0169.Majority-Element)|60.0%|Easy||
 |0170|Two Sum III - Data structure design||34.8%|Easy||
 |0171|Excel Sheet Column Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0171.Excel-Sheet-Column-Number)|56.8%|Easy||
-|0172|Factorial Trailing Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0172.Factorial-Trailing-Zeroes)|38.4%|Easy||
-|0173|Binary Search Tree Iterator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0173.Binary-Search-Tree-Iterator)|59.7%|Medium||
+|0172|Factorial Trailing Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0172.Factorial-Trailing-Zeroes)|38.5%|Easy||
+|0173|Binary Search Tree Iterator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0173.Binary-Search-Tree-Iterator)|59.9%|Medium||
 |0174|Dungeon Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0174.Dungeon-Game)|33.2%|Hard||
-|0175|Combine Two Tables||63.6%|Easy||
-|0176|Second Highest Salary||33.0%|Easy||
-|0177|Nth Highest Salary||33.0%|Medium||
-|0178|Rank Scores||49.5%|Medium||
-|0179|Largest Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0179.Largest-Number)|30.5%|Medium||
-|0180|Consecutive Numbers||41.8%|Medium||
-|0181|Employees Earning More Than Their Managers||59.8%|Easy||
-|0182|Duplicate Emails||64.2%|Easy||
-|0183|Customers Who Never Order||56.3%|Easy||
-|0184|Department Highest Salary||39.5%|Medium||
-|0185|Department Top Three Salaries||38.2%|Hard||
-|0186|Reverse Words in a String II||45.2%|Medium||
-|0187|Repeated DNA Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0187.Repeated-DNA-Sequences)|41.3%|Medium||
-|0188|Best Time to Buy and Sell Stock IV||29.4%|Hard||
-|0189|Rotate Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0189.Rotate-Array)|36.4%|Medium||
-|0190|Reverse Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0190.Reverse-Bits)|41.7%|Easy||
-|0191|Number of 1 Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0191.Number-of-1-Bits)|52.0%|Easy||
+|0175|Combine Two Tables||63.8%|Easy||
+|0176|Second Highest Salary||33.1%|Easy||
+|0177|Nth Highest Salary||33.1%|Medium||
+|0178|Rank Scores||49.7%|Medium||
+|0179|Largest Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0179.Largest-Number)|30.6%|Medium||
+|0180|Consecutive Numbers||42.0%|Medium||
+|0181|Employees Earning More Than Their Managers||60.0%|Easy||
+|0182|Duplicate Emails||64.4%|Easy||
+|0183|Customers Who Never Order||56.5%|Easy||
+|0184|Department Highest Salary||39.8%|Medium||
+|0185|Department Top Three Salaries||38.5%|Hard||
+|0186|Reverse Words in a String II||45.3%|Medium||
+|0187|Repeated DNA Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0187.Repeated-DNA-Sequences)|41.4%|Medium||
+|0188|Best Time to Buy and Sell Stock IV||29.5%|Hard||
+|0189|Rotate Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0189.Rotate-Array)|36.5%|Medium||
+|0190|Reverse Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0190.Reverse-Bits)|41.9%|Easy||
+|0191|Number of 1 Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0191.Number-of-1-Bits)|53.5%|Easy||
 |0192|Word Frequency||25.8%|Medium||
-|0193|Valid Phone Numbers||25.4%|Easy||
+|0193|Valid Phone Numbers||25.3%|Easy||
 |0194|Transpose File||24.4%|Medium||
 |0195|Tenth Line||32.9%|Easy||
-|0196|Delete Duplicate Emails||44.6%|Easy||
-|0197|Rising Temperature||39.7%|Easy||
+|0196|Delete Duplicate Emails||44.8%|Easy||
+|0197|Rising Temperature||39.8%|Easy||
 |0198|House Robber|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0198.House-Robber)|42.8%|Medium||
-|0199|Binary Tree Right Side View|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0199.Binary-Tree-Right-Side-View)|55.8%|Medium||
-|0200|Number of Islands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0200.Number-of-Islands)|48.7%|Medium||
+|0199|Binary Tree Right Side View|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0199.Binary-Tree-Right-Side-View)|56.2%|Medium||
+|0200|Number of Islands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0200.Number-of-Islands)|48.9%|Medium||
 |0201|Bitwise AND of Numbers Range|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0201.Bitwise-AND-of-Numbers-Range)|39.6%|Medium||
-|0202|Happy Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0202.Happy-Number)|51.1%|Easy||
+|0202|Happy Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0202.Happy-Number)|51.2%|Easy||
 |0203|Remove Linked List Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0203.Remove-Linked-List-Elements)|39.1%|Easy||
-|0204|Count Primes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0204.Count-Primes)|32.1%|Easy||
+|0204|Count Primes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0204.Count-Primes)|32.2%|Easy||
 |0205|Isomorphic Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0205.Isomorphic-Strings)|40.4%|Easy||
-|0206|Reverse Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0206.Reverse-Linked-List)|64.9%|Easy||
+|0206|Reverse Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0206.Reverse-Linked-List)|65.0%|Easy||
 |0207|Course Schedule|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0207.Course-Schedule)|44.3%|Medium||
-|0208|Implement Trie (Prefix Tree)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0208.Implement-Trie-(Prefix-Tree))|51.6%|Medium||
-|0209|Minimum Size Subarray Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0209.Minimum-Size-Subarray-Sum)|39.2%|Medium||
-|0210|Course Schedule II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0210.Course-Schedule-II)|42.3%|Medium||
-|0211|Design Add and Search Words Data Structure|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0211.Design-Add-and-Search-Words-Data-Structure)|39.9%|Medium||
-|0212|Word Search II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0212.Word-Search-II)|36.7%|Hard||
-|0213|House Robber II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0213.House-Robber-II)|37.4%|Medium||
-|0214|Shortest Palindrome||30.5%|Hard||
-|0215|Kth Largest Element in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0215.Kth-Largest-Element-in-an-Array)|58.1%|Medium||
-|0216|Combination Sum III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0216.Combination-Sum-III)|60.0%|Medium||
-|0217|Contains Duplicate|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0217.Contains-Duplicate)|56.5%|Easy||
+|0208|Implement Trie (Prefix Tree)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0208.Implement-Trie-(Prefix-Tree))|51.8%|Medium||
+|0209|Minimum Size Subarray Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0209.Minimum-Size-Subarray-Sum)|39.3%|Medium||
+|0210|Course Schedule II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0210.Course-Schedule-II)|42.4%|Medium||
+|0211|Design Add and Search Words Data Structure|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0211.Design-Add-and-Search-Words-Data-Structure)|40.0%|Medium||
+|0212|Word Search II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0212.Word-Search-II)|36.8%|Hard||
+|0213|House Robber II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0213.House-Robber-II)|37.5%|Medium||
+|0214|Shortest Palindrome||30.6%|Hard||
+|0215|Kth Largest Element in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0215.Kth-Largest-Element-in-an-Array)|58.2%|Medium||
+|0216|Combination Sum III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0216.Combination-Sum-III)|60.1%|Medium||
+|0217|Contains Duplicate|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0217.Contains-Duplicate)|56.6%|Easy||
 |0218|The Skyline Problem|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0218.The-Skyline-Problem)|36.2%|Hard||
-|0219|Contains Duplicate II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0219.Contains-Duplicate-II)|38.5%|Easy||
+|0219|Contains Duplicate II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0219.Contains-Duplicate-II)|38.6%|Easy||
 |0220|Contains Duplicate III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0220.Contains-Duplicate-III)|21.3%|Medium||
-|0221|Maximal Square||38.8%|Medium||
-|0222|Count Complete Tree Nodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0222.Count-Complete-Tree-Nodes)|48.9%|Medium||
-|0223|Rectangle Area|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0223.Rectangle-Area)|38.1%|Medium||
-|0224|Basic Calculator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0224.Basic-Calculator)|38.0%|Hard||
-|0225|Implement Stack using Queues|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0225.Implement-Stack-using-Queues)|47.0%|Easy||
-|0226|Invert Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0226.Invert-Binary-Tree)|66.7%|Easy||
+|0221|Maximal Square||39.0%|Medium||
+|0222|Count Complete Tree Nodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0222.Count-Complete-Tree-Nodes)|49.1%|Medium||
+|0223|Rectangle Area|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0223.Rectangle-Area)|38.2%|Medium||
+|0224|Basic Calculator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0224.Basic-Calculator)|38.1%|Hard||
+|0225|Implement Stack using Queues|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0225.Implement-Stack-using-Queues)|47.1%|Easy||
+|0226|Invert Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0226.Invert-Binary-Tree)|66.8%|Easy||
 |0227|Basic Calculator II||38.4%|Medium||
-|0228|Summary Ranges|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0228.Summary-Ranges)|42.2%|Easy||
-|0229|Majority Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0229.Majority-Element-II)|38.6%|Medium||
-|0230|Kth Smallest Element in a BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0230.Kth-Smallest-Element-in-a-BST)|62.2%|Medium||
+|0228|Summary Ranges|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0228.Summary-Ranges)|42.3%|Easy||
+|0229|Majority Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0229.Majority-Element-II)|38.7%|Medium||
+|0230|Kth Smallest Element in a BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0230.Kth-Smallest-Element-in-a-BST)|62.4%|Medium||
 |0231|Power of Two|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0231.Power-of-Two)|43.8%|Easy||
-|0232|Implement Queue using Stacks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0232.Implement-Queue-using-Stacks)|51.7%|Easy||
+|0232|Implement Queue using Stacks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0232.Implement-Queue-using-Stacks)|51.9%|Easy||
 |0233|Number of Digit One||31.7%|Hard||
-|0234|Palindrome Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0234.Palindrome-Linked-List)|40.3%|Easy||
-|0235|Lowest Common Ancestor of a Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree)|51.5%|Easy||
-|0236|Lowest Common Ancestor of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0236.Lowest-Common-Ancestor-of-a-Binary-Tree)|48.2%|Medium||
-|0237|Delete Node in a Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0237.Delete-Node-in-a-Linked-List)|66.4%|Easy||
+|0234|Palindrome Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0234.Palindrome-Linked-List)|40.4%|Easy||
+|0235|Lowest Common Ancestor of a Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree)|51.6%|Easy||
+|0236|Lowest Common Ancestor of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0236.Lowest-Common-Ancestor-of-a-Binary-Tree)|48.5%|Medium||
+|0237|Delete Node in a Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0237.Delete-Node-in-a-Linked-List)|66.6%|Easy||
 |0238|Product of Array Except Self||61.3%|Medium||
-|0239|Sliding Window Maximum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0239.Sliding-Window-Maximum)|44.5%|Hard||
-|0240|Search a 2D Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0240.Search-a-2D-Matrix-II)|44.2%|Medium||
-|0241|Different Ways to Add Parentheses||57.0%|Medium||
-|0242|Valid Anagram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0242.Valid-Anagram)|58.0%|Easy||
-|0243|Shortest Word Distance||61.8%|Easy||
-|0244|Shortest Word Distance II||53.6%|Medium||
-|0245|Shortest Word Distance III||55.8%|Medium||
-|0246|Strobogrammatic Number||45.7%|Easy||
+|0239|Sliding Window Maximum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0239.Sliding-Window-Maximum)|44.6%|Hard||
+|0240|Search a 2D Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0240.Search-a-2D-Matrix-II)|44.4%|Medium||
+|0241|Different Ways to Add Parentheses||57.1%|Medium||
+|0242|Valid Anagram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0242.Valid-Anagram)|58.1%|Easy||
+|0243|Shortest Word Distance||61.9%|Easy||
+|0244|Shortest Word Distance II||53.8%|Medium||
+|0245|Shortest Word Distance III||55.9%|Medium||
+|0246|Strobogrammatic Number||45.8%|Easy||
 |0247|Strobogrammatic Number II||48.4%|Medium||
 |0248|Strobogrammatic Number III||40.1%|Hard||
-|0249|Group Shifted Strings||57.7%|Medium||
-|0250|Count Univalue Subtrees||53.2%|Medium||
+|0249|Group Shifted Strings||57.9%|Medium||
+|0250|Count Univalue Subtrees||53.3%|Medium||
 |0251|Flatten 2D Vector||46.3%|Medium||
 |0252|Meeting Rooms||55.3%|Easy||
-|0253|Meeting Rooms II||46.6%|Medium||
+|0253|Meeting Rooms II||46.7%|Medium||
 |0254|Factor Combinations||47.3%|Medium||
 |0255|Verify Preorder Sequence in Binary Search Tree||46.1%|Medium||
-|0256|Paint House||53.3%|Medium||
-|0257|Binary Tree Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0257.Binary-Tree-Paths)|53.3%|Easy||
+|0256|Paint House||53.4%|Medium||
+|0257|Binary Tree Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0257.Binary-Tree-Paths)|53.4%|Easy||
 |0258|Add Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0258.Add-Digits)|58.4%|Easy||
-|0259|3Sum Smaller||48.8%|Medium||
+|0259|3Sum Smaller||48.9%|Medium||
 |0260|Single Number III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0260.Single-Number-III)|65.3%|Medium||
-|0261|Graph Valid Tree||43.0%|Medium||
-|0262|Trips and Users||35.6%|Hard||
+|0261|Graph Valid Tree||43.1%|Medium||
+|0262|Trips and Users||35.4%|Hard||
 |0263|Ugly Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0263.Ugly-Number)|41.7%|Easy||
 |0264|Ugly Number II||42.8%|Medium||
-|0265|Paint House II||45.5%|Hard||
-|0266|Palindrome Permutation||62.3%|Easy||
-|0267|Palindrome Permutation II||37.3%|Medium||
-|0268|Missing Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0268.Missing-Number)|53.5%|Easy||
-|0269|Alien Dictionary||33.6%|Hard||
-|0270|Closest Binary Search Tree Value||49.7%|Easy||
-|0271|Encode and Decode Strings||32.5%|Medium||
-|0272|Closest Binary Search Tree Value II||52.0%|Hard||
+|0265|Paint House II||45.6%|Hard||
+|0266|Palindrome Permutation||62.4%|Easy||
+|0267|Palindrome Permutation II||37.4%|Medium||
+|0268|Missing Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0268.Missing-Number)|53.7%|Easy||
+|0269|Alien Dictionary||33.7%|Hard||
+|0270|Closest Binary Search Tree Value||49.8%|Easy||
+|0271|Encode and Decode Strings||32.6%|Medium||
+|0272|Closest Binary Search Tree Value II||52.1%|Hard||
 |0273|Integer to English Words||28.0%|Hard||
 |0274|H-Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0274.H-Index)|36.3%|Medium||
 |0275|H-Index II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0275.H-Index-II)|36.2%|Medium||
 |0276|Paint Fence||39.0%|Easy||
-|0277|Find the Celebrity||43.2%|Medium||
-|0278|First Bad Version||37.2%|Easy||
-|0279|Perfect Squares||48.7%|Medium||
-|0280|Wiggle Sort||64.5%|Medium||
+|0277|Find the Celebrity||43.3%|Medium||
+|0278|First Bad Version||37.3%|Easy||
+|0279|Perfect Squares||48.8%|Medium||
+|0280|Wiggle Sort||64.6%|Medium||
 |0281|Zigzag Iterator||59.3%|Medium||
-|0282|Expression Add Operators||36.6%|Hard||
+|0282|Expression Add Operators||36.7%|Hard||
 |0283|Move Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0283.Move-Zeroes)|58.5%|Easy||
-|0284|Peeking Iterator||47.5%|Medium||
-|0285|Inorder Successor in BST||42.5%|Medium||
-|0286|Walls and Gates||56.1%|Medium||
-|0287|Find the Duplicate Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0287.Find-the-Duplicate-Number)|57.2%|Medium||
+|0284|Peeking Iterator||47.6%|Medium||
+|0285|Inorder Successor in BST||42.7%|Medium||
+|0286|Walls and Gates||56.3%|Medium||
+|0287|Find the Duplicate Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0287.Find-the-Duplicate-Number)|57.4%|Medium||
 |0288|Unique Word Abbreviation||22.9%|Medium||
-|0289|Game of Life||57.8%|Medium||
+|0289|Game of Life||58.0%|Medium||
 |0290|Word Pattern|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0290.Word-Pattern)|38.3%|Easy||
-|0291|Word Pattern II||44.1%|Hard||
+|0291|Word Pattern II||44.1%|Medium||
 |0292|Nim Game||55.0%|Easy||
-|0293|Flip Game||61.2%|Easy||
-|0294|Flip Game II||50.5%|Medium||
-|0295|Find Median from Data Stream||46.5%|Hard||
+|0293|Flip Game||61.3%|Easy||
+|0294|Flip Game II||50.6%|Medium||
+|0295|Find Median from Data Stream||46.7%|Hard||
 |0296|Best Meeting Point||58.1%|Hard||
-|0297|Serialize and Deserialize Binary Tree||49.5%|Hard||
+|0297|Serialize and Deserialize Binary Tree||49.6%|Hard||
 |0298|Binary Tree Longest Consecutive Sequence||47.9%|Medium||
-|0299|Bulls and Cows||44.3%|Medium||
-|0300|Longest Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0300.Longest-Increasing-Subsequence)|43.7%|Medium||
+|0299|Bulls and Cows||44.4%|Medium||
+|0300|Longest Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0300.Longest-Increasing-Subsequence)|43.9%|Medium||
 |0301|Remove Invalid Parentheses||44.5%|Hard||
-|0302|Smallest Rectangle Enclosing Black Pixels||52.3%|Hard||
-|0303|Range Sum Query - Immutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0303.Range-Sum-Query---Immutable)|47.2%|Easy||
-|0304|Range Sum Query 2D - Immutable||40.3%|Medium||
-|0305|Number of Islands II||39.8%|Hard||
+|0302|Smallest Rectangle Enclosing Black Pixels||52.4%|Hard||
+|0303|Range Sum Query - Immutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0303.Range-Sum-Query---Immutable)|47.4%|Easy||
+|0304|Range Sum Query 2D - Immutable||40.4%|Medium||
+|0305|Number of Islands II||39.7%|Hard||
 |0306|Additive Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0306.Additive-Number)|29.6%|Medium||
 |0307|Range Sum Query - Mutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0307.Range-Sum-Query---Mutable)|36.6%|Medium||
-|0308|Range Sum Query 2D - Mutable||37.3%|Hard||
+|0308|Range Sum Query 2D - Mutable||37.4%|Hard||
 |0309|Best Time to Buy and Sell Stock with Cooldown|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown)|48.1%|Medium||
 |0310|Minimum Height Trees||34.6%|Medium||
-|0311|Sparse Matrix Multiplication||63.7%|Medium||
+|0311|Sparse Matrix Multiplication||63.8%|Medium||
 |0312|Burst Balloons||53.7%|Hard||
-|0313|Super Ugly Number||46.0%|Medium||
-|0314|Binary Tree Vertical Order Traversal||46.7%|Medium||
+|0313|Super Ugly Number||46.1%|Medium||
+|0314|Binary Tree Vertical Order Traversal||46.9%|Medium||
 |0315|Count of Smaller Numbers After Self|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0315.Count-of-Smaller-Numbers-After-Self)|42.6%|Hard||
-|0316|Remove Duplicate Letters||38.9%|Medium||
-|0317|Shortest Distance from All Buildings||42.5%|Hard||
-|0318|Maximum Product of Word Lengths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0318.Maximum-Product-of-Word-Lengths)|52.1%|Medium||
+|0316|Remove Duplicate Letters||39.0%|Medium||
+|0317|Shortest Distance from All Buildings||42.6%|Hard||
+|0318|Maximum Product of Word Lengths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0318.Maximum-Product-of-Word-Lengths)|52.2%|Medium||
 |0319|Bulb Switcher||45.3%|Medium||
-|0320|Generalized Abbreviation||53.5%|Medium||
-|0321|Create Maximum Number||27.4%|Hard||
-|0322|Coin Change|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0322.Coin-Change)|37.0%|Medium||
-|0323|Number of Connected Components in an Undirected Graph||57.5%|Medium||
+|0320|Generalized Abbreviation||53.6%|Medium||
+|0321|Create Maximum Number||27.5%|Hard||
+|0322|Coin Change|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0322.Coin-Change)|37.1%|Medium||
+|0323|Number of Connected Components in an Undirected Graph||57.6%|Medium||
 |0324|Wiggle Sort II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0324.Wiggle-Sort-II)|30.6%|Medium||
 |0325|Maximum Size Subarray Sum Equals k||47.3%|Medium||
 |0326|Power of Three|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0326.Power-of-Three)|42.1%|Easy||
-|0327|Count of Range Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0327.Count-of-Range-Sum)|35.9%|Hard||
-|0328|Odd Even Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0328.Odd-Even-Linked-List)|56.9%|Medium||
-|0329|Longest Increasing Path in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0329.Longest-Increasing-Path-in-a-Matrix)|44.5%|Hard||
+|0327|Count of Range Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0327.Count-of-Range-Sum)|36.0%|Hard||
+|0328|Odd Even Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0328.Odd-Even-Linked-List)|57.0%|Medium||
+|0329|Longest Increasing Path in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0329.Longest-Increasing-Path-in-a-Matrix)|44.7%|Hard||
 |0330|Patching Array||34.9%|Hard||
 |0331|Verify Preorder Serialization of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0331.Verify-Preorder-Serialization-of-a-Binary-Tree)|40.9%|Medium||
-|0332|Reconstruct Itinerary||37.7%|Medium||
-|0333|Largest BST Subtree||37.5%|Medium||
-|0334|Increasing Triplet Subsequence||40.6%|Medium||
+|0332|Reconstruct Itinerary||37.8%|Medium||
+|0333|Largest BST Subtree||37.6%|Medium||
+|0334|Increasing Triplet Subsequence||40.7%|Medium||
 |0335|Self Crossing||28.6%|Hard||
 |0336|Palindrome Pairs||34.5%|Hard||
-|0337|House Robber III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0337.House-Robber-III)|51.7%|Medium||
+|0337|House Robber III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0337.House-Robber-III)|51.8%|Medium||
 |0338|Counting Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0338.Counting-Bits)|70.3%|Medium||
-|0339|Nested List Weight Sum||76.2%|Easy||
-|0340|Longest Substring with At Most K Distinct Characters||45.3%|Medium||
-|0341|Flatten Nested List Iterator||54.3%|Medium||
-|0342|Power of Four|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0342.Power-of-Four)|41.6%|Easy||
+|0339|Nested List Weight Sum||76.3%|Medium||
+|0340|Longest Substring with At Most K Distinct Characters||45.4%|Medium||
+|0341|Flatten Nested List Iterator||54.4%|Medium||
+|0342|Power of Four|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0342.Power-of-Four)|41.7%|Easy||
 |0343|Integer Break|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0343.Integer-Break)|51.1%|Medium||
-|0344|Reverse String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0344.Reverse-String)|70.1%|Easy||
-|0345|Reverse Vowels of a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0345.Reverse-Vowels-of-a-String)|44.9%|Easy||
-|0346|Moving Average from Data Stream||72.9%|Easy||
-|0347|Top K Frequent Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0347.Top-K-Frequent-Elements)|62.2%|Medium||
-|0348|Design Tic-Tac-Toe||55.4%|Medium||
-|0349|Intersection of Two Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0349.Intersection-of-Two-Arrays)|64.5%|Easy||
+|0344|Reverse String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0344.Reverse-String)|70.2%|Easy||
+|0345|Reverse Vowels of a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0345.Reverse-Vowels-of-a-String)|45.0%|Easy||
+|0346|Moving Average from Data Stream||73.0%|Easy||
+|0347|Top K Frequent Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0347.Top-K-Frequent-Elements)|62.3%|Medium||
+|0348|Design Tic-Tac-Toe||55.5%|Medium||
+|0349|Intersection of Two Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0349.Intersection-of-Two-Arrays)|64.6%|Easy||
 |0350|Intersection of Two Arrays II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0350.Intersection-of-Two-Arrays-II)|51.9%|Easy||
 |0351|Android Unlock Patterns||49.5%|Medium||
 |0352|Data Stream as Disjoint Intervals||48.5%|Hard||
-|0353|Design Snake Game||35.2%|Medium||
-|0354|Russian Doll Envelopes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0354.Russian-Doll-Envelopes)|36.1%|Hard||
-|0355|Design Twitter||31.2%|Medium||
-|0356|Line Reflection||32.7%|Medium||
+|0353|Design Snake Game||35.7%|Medium||
+|0354|Russian Doll Envelopes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0354.Russian-Doll-Envelopes)|36.2%|Hard||
+|0355|Design Twitter||31.3%|Medium||
+|0356|Line Reflection||32.8%|Medium||
 |0357|Count Numbers with Unique Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0357.Count-Numbers-with-Unique-Digits)|48.8%|Medium||
 |0358|Rearrange String k Distance Apart||35.6%|Hard||
-|0359|Logger Rate Limiter||72.0%|Easy||
-|0360|Sort Transformed Array||49.5%|Medium||
+|0359|Logger Rate Limiter||72.1%|Easy||
+|0360|Sort Transformed Array||49.6%|Medium||
 |0361|Bomb Enemy||46.6%|Medium||
-|0362|Design Hit Counter||65.0%|Medium||
+|0362|Design Hit Counter||65.1%|Medium||
 |0363|Max Sum of Rectangle No Larger Than K||38.4%|Hard||
-|0364|Nested List Weight Sum II||63.5%|Medium||
+|0364|Nested List Weight Sum II||63.6%|Medium||
 |0365|Water and Jug Problem||31.0%|Medium||
 |0366|Find Leaves of Binary Tree||71.7%|Medium||
 |0367|Valid Perfect Square|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0367.Valid-Perfect-Square)|42.0%|Easy||
-|0368|Largest Divisible Subset||38.2%|Medium||
-|0369|Plus One Linked List||59.4%|Medium||
-|0370|Range Addition||63.4%|Medium||
+|0368|Largest Divisible Subset||38.3%|Medium||
+|0369|Plus One Linked List||59.5%|Medium||
+|0370|Range Addition||63.5%|Medium||
 |0371|Sum of Two Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0371.Sum-of-Two-Integers)|50.6%|Medium||
-|0372|Super Pow|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0372.Super-Pow)|36.6%|Medium||
-|0373|Find K Pairs with Smallest Sums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0373.Find-K-Pairs-with-Smallest-Sums)|37.5%|Medium||
-|0374|Guess Number Higher or Lower||44.4%|Easy||
-|0375|Guess Number Higher or Lower II||41.9%|Medium||
-|0376|Wiggle Subsequence||40.1%|Medium||
-|0377|Combination Sum IV||45.9%|Medium||
-|0378|Kth Smallest Element in a Sorted Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0378.Kth-Smallest-Element-in-a-Sorted-Matrix)|55.9%|Medium||
-|0379|Design Phone Directory||47.8%|Medium||
+|0372|Super Pow|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0372.Super-Pow)|36.7%|Medium||
+|0373|Find K Pairs with Smallest Sums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0373.Find-K-Pairs-with-Smallest-Sums)|37.6%|Medium||
+|0374|Guess Number Higher or Lower||44.5%|Easy||
+|0375|Guess Number Higher or Lower II||42.1%|Medium||
+|0376|Wiggle Subsequence||40.2%|Medium||
+|0377|Combination Sum IV||46.0%|Medium||
+|0378|Kth Smallest Element in a Sorted Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0378.Kth-Smallest-Element-in-a-Sorted-Matrix)|56.0%|Medium||
+|0379|Design Phone Directory||47.9%|Medium||
 |0380|Insert Delete GetRandom O(1)||48.7%|Medium||
-|0381|Insert Delete GetRandom O(1) - Duplicates allowed||34.7%|Hard||
+|0381|Insert Delete GetRandom O(1) - Duplicates allowed||34.8%|Hard||
 |0382|Linked List Random Node||54.0%|Medium||
-|0383|Ransom Note||53.2%|Easy||
+|0383|Ransom Note||53.3%|Easy||
 |0384|Shuffle an Array||53.9%|Medium||
-|0385|Mini Parser|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0385.Mini-Parser)|34.3%|Medium||
-|0386|Lexicographical Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0386.Lexicographical-Numbers)|53.8%|Medium||
-|0387|First Unique Character in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0387.First-Unique-Character-in-a-String)|53.7%|Easy||
-|0388|Longest Absolute File Path||42.6%|Medium||
+|0385|Mini Parser|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0385.Mini-Parser)|34.5%|Medium||
+|0386|Lexicographical Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0386.Lexicographical-Numbers)|53.9%|Medium||
+|0387|First Unique Character in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0387.First-Unique-Character-in-a-String)|53.8%|Easy||
+|0388|Longest Absolute File Path||42.7%|Medium||
 |0389|Find the Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0389.Find-the-Difference)|57.7%|Easy||
 |0390|Elimination Game||44.9%|Medium||
 |0391|Perfect Rectangle||31.0%|Hard||
 |0392|Is Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0392.Is-Subsequence)|49.5%|Easy||
 |0393|UTF-8 Validation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0393.UTF-8-Validation)|38.0%|Medium||
-|0394|Decode String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0394.Decode-String)|52.4%|Medium||
+|0394|Decode String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0394.Decode-String)|52.5%|Medium||
 |0395|Longest Substring with At Least K Repeating Characters||43.4%|Medium||
 |0396|Rotate Function||36.7%|Medium||
 |0397|Integer Replacement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0397.Integer-Replacement)|33.4%|Medium||
-|0398|Random Pick Index||57.6%|Medium||
-|0399|Evaluate Division|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0399.Evaluate-Division)|54.1%|Medium||
-|0400|Nth Digit||32.3%|Medium||
-|0401|Binary Watch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0401.Binary-Watch)|48.3%|Easy||
+|0398|Random Pick Index||57.8%|Medium||
+|0399|Evaluate Division|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0399.Evaluate-Division)|54.2%|Medium||
+|0400|Nth Digit||32.4%|Medium||
+|0401|Binary Watch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0401.Binary-Watch)|48.4%|Easy||
 |0402|Remove K Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0402.Remove-K-Digits)|28.6%|Medium||
-|0403|Frog Jump||41.2%|Hard||
+|0403|Frog Jump||41.3%|Hard||
 |0404|Sum of Left Leaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0404.Sum-of-Left-Leaves)|52.2%|Easy||
 |0405|Convert a Number to Hexadecimal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0405.Convert-a-Number-to-Hexadecimal)|44.4%|Easy||
-|0406|Queue Reconstruction by Height||68.2%|Medium||
-|0407|Trapping Rain Water II||43.9%|Hard||
+|0406|Queue Reconstruction by Height||68.3%|Medium||
+|0407|Trapping Rain Water II||44.0%|Hard||
 |0408|Valid Word Abbreviation||31.3%|Easy||
 |0409|Longest Palindrome|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0409.Longest-Palindrome)|52.2%|Easy||
-|0410|Split Array Largest Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0410.Split-Array-Largest-Sum)|46.1%|Hard||
+|0410|Split Array Largest Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0410.Split-Array-Largest-Sum)|46.2%|Hard||
 |0411|Minimum Unique Word Abbreviation||37.1%|Hard||
 |0412|Fizz Buzz|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0412.Fizz-Buzz)|63.5%|Easy||
-|0413|Arithmetic Slices||58.5%|Medium||
-|0414|Third Maximum Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0414.Third-Maximum-Number)|30.6%|Easy||
-|0415|Add Strings||48.1%|Easy||
+|0413|Arithmetic Slices||58.6%|Medium||
+|0414|Third Maximum Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0414.Third-Maximum-Number)|30.7%|Easy||
+|0415|Add Strings||48.2%|Easy||
 |0416|Partition Equal Subset Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0416.Partition-Equal-Subset-Sum)|44.8%|Medium||
-|0417|Pacific Atlantic Water Flow||42.4%|Medium||
+|0417|Pacific Atlantic Water Flow||42.5%|Medium||
 |0418|Sentence Screen Fitting||33.0%|Medium||
-|0419|Battleships in a Board||70.9%|Medium||
-|0420|Strong Password Checker||13.8%|Hard||
+|0419|Battleships in a Board||71.0%|Medium||
+|0420|Strong Password Checker||13.9%|Hard||
 |0421|Maximum XOR of Two Numbers in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0421.Maximum-XOR-of-Two-Numbers-in-an-Array)|54.0%|Medium||
-|0422|Valid Word Square||38.0%|Easy||
+|0422|Valid Word Square||38.1%|Easy||
 |0423|Reconstruct Original Digits from English||47.4%|Medium||
-|0424|Longest Repeating Character Replacement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0424.Longest-Repeating-Character-Replacement)|48.0%|Medium||
+|0424|Longest Repeating Character Replacement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0424.Longest-Repeating-Character-Replacement)|48.1%|Medium||
 |0425|Word Squares||50.0%|Hard||
-|0426|Convert Binary Search Tree to Sorted Doubly Linked List||60.9%|Medium||
+|0426|Convert Binary Search Tree to Sorted Doubly Linked List||61.0%|Medium||
 |0427|Construct Quad Tree||62.5%|Medium||
-|0428|Serialize and Deserialize N-ary Tree||61.2%|Hard||
-|0429|N-ary Tree Level Order Traversal||66.4%|Medium||
+|0428|Serialize and Deserialize N-ary Tree||61.3%|Hard||
+|0429|N-ary Tree Level Order Traversal||66.6%|Medium||
 |0430|Flatten a Multilevel Doubly Linked List||56.7%|Medium||
 |0431|Encode N-ary Tree to Binary Tree||74.5%|Hard||
 |0432|All O`one Data Structure||33.1%|Hard||
-|0433|Minimum Genetic Mutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0433.Minimum-Genetic-Mutation)|43.1%|Medium||
+|0433|Minimum Genetic Mutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0433.Minimum-Genetic-Mutation)|43.2%|Medium||
 |0434|Number of Segments in a String||37.8%|Easy||
 |0435|Non-overlapping Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0435.Non-overlapping-Intervals)|43.9%|Medium||
-|0436|Find Right Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0436.Find-Right-Interval)|48.4%|Medium||
+|0436|Find Right Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0436.Find-Right-Interval)|48.5%|Medium||
 |0437|Path Sum III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0437.Path-Sum-III)|48.0%|Medium||
-|0438|Find All Anagrams in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0438.Find-All-Anagrams-in-a-String)|44.7%|Medium||
-|0439|Ternary Expression Parser||56.6%|Medium||
-|0440|K-th Smallest in Lexicographical Order||29.7%|Hard||
+|0438|Find All Anagrams in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0438.Find-All-Anagrams-in-a-String)|44.8%|Medium||
+|0439|Ternary Expression Parser||56.7%|Medium||
+|0440|K-th Smallest in Lexicographical Order||29.8%|Hard||
 |0441|Arranging Coins|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0441.Arranging-Coins)|42.3%|Easy||
 |0442|Find All Duplicates in an Array||68.8%|Medium||
-|0443|String Compression||43.2%|Medium||
+|0443|String Compression||43.4%|Medium||
 |0444|Sequence Reconstruction||23.5%|Medium||
-|0445|Add Two Numbers II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0445.Add-Two-Numbers-II)|56.1%|Medium||
+|0445|Add Two Numbers II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0445.Add-Two-Numbers-II)|56.2%|Medium||
 |0446|Arithmetic Slices II - Subsequence||33.3%|Hard||
 |0447|Number of Boomerangs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0447.Number-of-Boomerangs)|52.4%|Medium||
 |0448|Find All Numbers Disappeared in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0448.Find-All-Numbers-Disappeared-in-an-Array)|56.1%|Easy||
-|0449|Serialize and Deserialize BST||53.8%|Medium||
+|0449|Serialize and Deserialize BST||53.9%|Medium||
 |0450|Delete Node in a BST||45.2%|Medium||
-|0451|Sort Characters By Frequency|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0451.Sort-Characters-By-Frequency)|64.2%|Medium||
-|0452|Minimum Number of Arrows to Burst Balloons||49.7%|Medium||
-|0453|Minimum Moves to Equal Array Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0453.Minimum-Moves-to-Equal-Array-Elements)|50.7%|Easy||
-|0454|4Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0454.4Sum-II)|54.5%|Medium||
+|0451|Sort Characters By Frequency|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0451.Sort-Characters-By-Frequency)|64.3%|Medium||
+|0452|Minimum Number of Arrows to Burst Balloons||49.8%|Medium||
+|0453|Minimum Moves to Equal Array Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0453.Minimum-Moves-to-Equal-Array-Elements)|50.8%|Easy||
+|0454|4Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0454.4Sum-II)|54.6%|Medium||
 |0455|Assign Cookies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0455.Assign-Cookies)|50.4%|Easy||
 |0456|132 Pattern|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0456.132-Pattern)|30.6%|Medium||
 |0457|Circular Array Loop|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0457.Circular-Array-Loop)|30.0%|Medium||
 |0458|Poor Pigs||54.5%|Hard||
 |0459|Repeated Substring Pattern||43.3%|Easy||
-|0460|LFU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0460.LFU-Cache)|35.8%|Hard||
-|0461|Hamming Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0461.Hamming-Distance)|73.1%|Easy||
+|0460|LFU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0460.LFU-Cache)|35.9%|Hard||
+|0461|Hamming Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0461.Hamming-Distance)|73.2%|Easy||
 |0462|Minimum Moves to Equal Array Elements II||54.3%|Medium||
 |0463|Island Perimeter|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0463.Island-Perimeter)|66.6%|Easy||
 |0464|Can I Win||29.6%|Medium||
 |0465|Optimal Account Balancing||48.2%|Hard||
-|0466|Count The Repetitions||28.6%|Hard||
+|0466|Count The Repetitions||28.5%|Hard||
 |0467|Unique Substrings in Wraparound String||36.0%|Medium||
-|0468|Validate IP Address||24.8%|Medium||
+|0468|Validate IP Address||24.9%|Medium||
 |0469|Convex Polygon||37.4%|Medium||
 |0470|Implement Rand10() Using Rand7()|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0470.Implement-Rand10()-Using-Rand7())|46.0%|Medium||
-|0471|Encode String with Shortest Length||49.0%|Hard||
-|0472|Concatenated Words||44.5%|Hard||
+|0471|Encode String with Shortest Length||49.1%|Hard||
+|0472|Concatenated Words||44.3%|Hard||
 |0473|Matchsticks to Square||38.2%|Medium||
-|0474|Ones and Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0474.Ones-and-Zeroes)|43.5%|Medium||
+|0474|Ones and Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0474.Ones-and-Zeroes)|43.6%|Medium||
 |0475|Heaters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0475.Heaters)|33.6%|Medium||
 |0476|Number Complement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0476.Number-Complement)|65.1%|Easy||
 |0477|Total Hamming Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0477.Total-Hamming-Distance)|50.6%|Medium||
 |0478|Generate Random Point in a Circle||39.0%|Medium||
 |0479|Largest Palindrome Product||29.5%|Hard||
-|0480|Sliding Window Median|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0480.Sliding-Window-Median)|38.5%|Hard||
-|0481|Magical String||48.0%|Medium||
+|0480|Sliding Window Median|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0480.Sliding-Window-Median)|38.6%|Hard||
+|0481|Magical String||48.1%|Medium||
 |0482|License Key Formatting||43.1%|Easy||
 |0483|Smallest Good Base|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0483.Smallest-Good-Base)|36.2%|Hard||
-|0484|Find Permutation||64.1%|Medium||
+|0484|Find Permutation||64.2%|Medium||
 |0485|Max Consecutive Ones|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0485.Max-Consecutive-Ones)|53.1%|Easy||
-|0486|Predict the Winner||48.4%|Medium||
+|0486|Predict the Winner||48.5%|Medium||
 |0487|Max Consecutive Ones II||47.9%|Medium||
 |0488|Zuma Game||38.5%|Hard||
-|0489|Robot Room Cleaner||72.2%|Hard||
+|0489|Robot Room Cleaner||72.3%|Hard||
 |0490|The Maze||52.6%|Medium||
-|0491|Increasing Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0491.Increasing-Subsequences)|47.4%|Medium||
-|0492|Construct the Rectangle||50.2%|Easy||
-|0493|Reverse Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0493.Reverse-Pairs)|26.6%|Hard||
+|0491|Increasing Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0491.Increasing-Subsequences)|47.5%|Medium||
+|0492|Construct the Rectangle||50.3%|Easy||
+|0493|Reverse Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0493.Reverse-Pairs)|26.7%|Hard||
 |0494|Target Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0494.Target-Sum)|45.8%|Medium||
 |0495|Teemo Attacking||56.1%|Medium||
-|0496|Next Greater Element I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0496.Next-Greater-Element-I)|65.2%|Easy||
+|0496|Next Greater Element I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0496.Next-Greater-Element-I)|65.3%|Easy||
 |0497|Random Point in Non-overlapping Rectangles|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0497.Random-Point-in-Non-overlapping-Rectangles)|39.1%|Medium||
-|0498|Diagonal Traverse|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0498.Diagonal-Traverse)|50.1%|Medium||
-|0499|The Maze III||42.3%|Hard||
-|0500|Keyboard Row|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0500.Keyboard-Row)|65.5%|Easy||
-|0501|Find Mode in Binary Search Tree||43.3%|Easy||
-|0502|IPO||41.3%|Hard||
-|0503|Next Greater Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0503.Next-Greater-Element-II)|58.2%|Medium||
-|0504|Base 7||46.4%|Easy||
+|0498|Diagonal Traverse|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0498.Diagonal-Traverse)|50.2%|Medium||
+|0499|The Maze III||42.4%|Hard||
+|0500|Keyboard Row|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0500.Keyboard-Row)|65.6%|Easy||
+|0501|Find Mode in Binary Search Tree||43.4%|Easy||
+|0502|IPO||41.4%|Hard||
+|0503|Next Greater Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0503.Next-Greater-Element-II)|58.3%|Medium||
+|0504|Base 7||46.5%|Easy||
 |0505|The Maze II||48.4%|Medium||
-|0506|Relative Ranks||51.1%|Easy||
-|0507|Perfect Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0507.Perfect-Number)|36.0%|Easy||
-|0508|Most Frequent Subtree Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0508.Most-Frequent-Subtree-Sum)|58.9%|Medium||
-|0509|Fibonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0509.Fibonacci-Number)|67.3%|Easy||
+|0506|Relative Ranks||51.2%|Easy||
+|0507|Perfect Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0507.Perfect-Number)|36.1%|Easy||
+|0508|Most Frequent Subtree Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0508.Most-Frequent-Subtree-Sum)|59.0%|Medium||
+|0509|Fibonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0509.Fibonacci-Number)|67.4%|Easy||
 |0510|Inorder Successor in BST II||59.9%|Medium||
 |0511|Game Play Analysis I||81.2%|Easy||
 |0512|Game Play Analysis II||55.9%|Easy||
 |0513|Find Bottom Left Tree Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0513.Find-Bottom-Left-Tree-Value)|62.4%|Medium||
-|0514|Freedom Trail||44.8%|Hard||
+|0514|Freedom Trail||44.9%|Hard||
 |0515|Find Largest Value in Each Tree Row|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0515.Find-Largest-Value-in-Each-Tree-Row)|62.1%|Medium||
-|0516|Longest Palindromic Subsequence||55.0%|Medium||
-|0517|Super Washing Machines||38.5%|Hard||
-|0518|Coin Change 2||51.5%|Medium||
+|0516|Longest Palindromic Subsequence||55.2%|Medium||
+|0517|Super Washing Machines||38.6%|Hard||
+|0518|Coin Change 2||51.6%|Medium||
 |0519|Random Flip Matrix||37.7%|Medium||
 |0520|Detect Capital||53.9%|Easy||
 |0521|Longest Uncommon Subsequence I||58.4%|Easy||
 |0522|Longest Uncommon Subsequence II||34.1%|Medium||
 |0523|Continuous Subarray Sum||24.7%|Medium||
-|0524|Longest Word in Dictionary through Deleting|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0524.Longest-Word-in-Dictionary-through-Deleting)|48.9%|Medium||
+|0524|Longest Word in Dictionary through Deleting|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0524.Longest-Word-in-Dictionary-through-Deleting)|49.0%|Medium||
 |0525|Contiguous Array||43.4%|Medium||
-|0526|Beautiful Arrangement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0526.Beautiful-Arrangement)|61.7%|Medium||
-|0527|Word Abbreviation||56.0%|Hard||
-|0528|Random Pick with Weight|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0528.Random-Pick-with-Weight)|44.5%|Medium||
-|0529|Minesweeper|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0529.Minesweeper)|60.8%|Medium||
-|0530|Minimum Absolute Difference in BST||54.7%|Easy||
+|0526|Beautiful Arrangement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0526.Beautiful-Arrangement)|61.8%|Medium||
+|0527|Word Abbreviation||56.2%|Hard||
+|0528|Random Pick with Weight|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0528.Random-Pick-with-Weight)|44.6%|Medium||
+|0529|Minesweeper|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0529.Minesweeper)|61.0%|Medium||
+|0530|Minimum Absolute Difference in BST||54.8%|Easy||
 |0531|Lonely Pixel I||59.4%|Medium||
-|0532|K-diff Pairs in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0532.K-diff-Pairs-in-an-Array)|35.0%|Medium||
+|0532|K-diff Pairs in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0532.K-diff-Pairs-in-an-Array)|35.1%|Medium||
 |0533|Lonely Pixel II||48.1%|Medium||
-|0534|Game Play Analysis III||78.8%|Medium||
-|0535|Encode and Decode TinyURL||80.8%|Medium||
-|0536|Construct Binary Tree from String||50.4%|Medium||
+|0534|Game Play Analysis III||79.1%|Medium||
+|0535|Encode and Decode TinyURL||80.9%|Medium||
+|0536|Construct Binary Tree from String||50.6%|Medium||
 |0537|Complex Number Multiplication|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0537.Complex-Number-Multiplication)|68.3%|Medium||
-|0538|Convert BST to Greater Tree||56.6%|Medium||
-|0539|Minimum Time Difference||52.2%|Medium||
+|0538|Convert BST to Greater Tree||56.8%|Medium||
+|0539|Minimum Time Difference||52.3%|Medium||
 |0540|Single Element in a Sorted Array||57.9%|Medium||
-|0541|Reverse String II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0541.Reverse-String-II)|49.0%|Easy||
-|0542|01 Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0542.01-Matrix)|40.7%|Medium||
+|0541|Reverse String II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0541.Reverse-String-II)|49.1%|Easy||
+|0542|01 Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0542.01-Matrix)|40.8%|Medium||
 |0543|Diameter of Binary Tree||49.1%|Easy||
 |0544|Output Contest Matches||75.7%|Medium||
-|0545|Boundary of Binary Tree||39.5%|Medium||
+|0545|Boundary of Binary Tree||39.6%|Medium||
 |0546|Remove Boxes||44.2%|Hard||
-|0547|Number of Provinces|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0547.Number-of-Provinces)|60.2%|Medium||
-|0548|Split Array with Equal Sum||47.7%|Medium||
+|0547|Number of Provinces|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0547.Number-of-Provinces)|60.3%|Medium||
+|0548|Split Array with Equal Sum||47.8%|Medium||
 |0549|Binary Tree Longest Consecutive Sequence II||47.2%|Medium||
-|0550|Game Play Analysis IV||45.9%|Medium||
-|0551|Student Attendance Record I||46.1%|Easy||
-|0552|Student Attendance Record II||37.2%|Hard||
-|0553|Optimal Division||57.3%|Medium||
+|0550|Game Play Analysis IV||45.7%|Medium||
+|0551|Student Attendance Record I||46.0%|Easy||
+|0552|Student Attendance Record II||37.3%|Hard||
+|0553|Optimal Division||57.4%|Medium||
 |0554|Brick Wall||50.6%|Medium||
 |0555|Split Concatenated Strings||42.8%|Medium||
 |0556|Next Greater Element III||33.5%|Medium||
-|0557|Reverse Words in a String III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0557.Reverse-Words-in-a-String-III)|71.6%|Easy||
+|0557|Reverse Words in a String III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0557.Reverse-Words-in-a-String-III)|71.7%|Easy||
 |0558|Logical OR of Two Binary Grids Represented as Quad-Trees||45.5%|Medium||
-|0559|Maximum Depth of N-ary Tree||69.4%|Easy||
+|0559|Maximum Depth of N-ary Tree||69.5%|Easy||
 |0560|Subarray Sum Equals K||43.8%|Medium||
-|0561|Array Partition I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0561.Array-Partition-I)|73.0%|Easy||
+|0561|Array Partition I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0561.Array-Partition-I)|73.1%|Easy||
 |0562|Longest Line of Consecutive One in Matrix||46.2%|Medium||
-|0563|Binary Tree Tilt|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0563.Binary-Tree-Tilt)|52.7%|Easy||
+|0563|Binary Tree Tilt|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0563.Binary-Tree-Tilt)|52.8%|Easy||
 |0564|Find the Closest Palindrome||20.3%|Hard||
 |0565|Array Nesting||55.9%|Medium||
 |0566|Reshape the Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0566.Reshape-the-Matrix)|61.0%|Easy||
 |0567|Permutation in String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0567.Permutation-in-String)|44.6%|Medium||
-|0568|Maximum Vacation Days||41.4%|Hard||
-|0569|Median Employee Salary||61.1%|Hard||
-|0570|Managers with at Least 5 Direct Reports||66.7%|Medium||
+|0568|Maximum Vacation Days||41.5%|Hard||
+|0569|Median Employee Salary||61.3%|Hard||
+|0570|Managers with at Least 5 Direct Reports||66.8%|Medium||
 |0571|Find Median Given Frequency of Numbers||45.6%|Hard||
 |0572|Subtree of Another Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0572.Subtree-of-Another-Tree)|44.5%|Easy||
-|0573|Squirrel Simulation||56.0%|Medium||
-|0574|Winning Candidate||51.4%|Medium||
-|0575|Distribute Candies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0575.Distribute-Candies)|61.9%|Easy||
+|0573|Squirrel Simulation||54.4%|Medium||
+|0574|Winning Candidate||51.6%|Medium||
+|0575|Distribute Candies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0575.Distribute-Candies)|62.0%|Easy||
 |0576|Out of Boundary Paths||35.8%|Medium||
-|0577|Employee Bonus||71.0%|Easy||
-|0578|Get Highest Answer Rate Question||41.4%|Medium||
-|0579|Find Cumulative Salary of an Employee||38.1%|Hard||
-|0580|Count Student Number in Departments||51.2%|Medium||
+|0577|Employee Bonus||71.2%|Easy||
+|0578|Get Highest Answer Rate Question||41.5%|Medium||
+|0579|Find Cumulative Salary of an Employee||38.2%|Hard||
+|0580|Count Student Number in Departments||51.4%|Medium||
 |0581|Shortest Unsorted Continuous Subarray||31.7%|Medium||
-|0582|Kill Process||62.4%|Medium||
-|0583|Delete Operation for Two Strings||49.8%|Medium||
-|0584|Find Customer Referee||73.8%|Easy||
-|0585|Investments in 2016||56.5%|Medium||
-|0586|Customer Placing the Largest Number of Orders||75.1%|Easy||
-|0587|Erect the Fence||36.3%|Hard||
-|0588|Design In-Memory File System||46.5%|Hard||
+|0582|Kill Process||62.6%|Medium||
+|0583|Delete Operation for Two Strings||49.9%|Medium||
+|0584|Find Customer Referee||73.9%|Easy||
+|0585|Investments in 2016||56.7%|Medium||
+|0586|Customer Placing the Largest Number of Orders||75.2%|Easy||
+|0587|Erect the Fence||36.4%|Hard||
+|0588|Design In-Memory File System||46.6%|Hard||
 |0589|N-ary Tree Preorder Traversal||73.2%|Easy||
-|0590|N-ary Tree Postorder Traversal||73.2%|Easy||
+|0590|N-ary Tree Postorder Traversal||73.3%|Easy||
 |0591|Tag Validator||34.6%|Hard||
-|0592|Fraction Addition and Subtraction||50.1%|Medium||
+|0592|Fraction Addition and Subtraction||50.2%|Medium||
 |0593|Valid Square||43.3%|Medium||
-|0594|Longest Harmonious Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0594.Longest-Harmonious-Subsequence)|47.8%|Easy||
-|0595|Big Countries||78.3%|Easy||
+|0594|Longest Harmonious Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0594.Longest-Harmonious-Subsequence)|51.2%|Easy||
+|0595|Big Countries||78.4%|Easy||
 |0596|Classes More Than 5 Students||38.7%|Easy||
-|0597|Friend Requests I: Overall Acceptance Rate||41.7%|Easy||
-|0598|Range Addition II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0598.Range-Addition-II)|50.0%|Easy||
-|0599|Minimum Index Sum of Two Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0599.Minimum-Index-Sum-of-Two-Lists)|51.5%|Easy||
-|0600|Non-negative Integers without Consecutive Ones||34.6%|Hard||
-|0601|Human Traffic of Stadium||44.5%|Hard||
-|0602|Friend Requests II: Who Has the Most Friends||56.8%|Medium||
-|0603|Consecutive Available Seats||65.8%|Easy||
+|0597|Friend Requests I: Overall Acceptance Rate||41.8%|Easy||
+|0598|Range Addition II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0598.Range-Addition-II)|50.1%|Easy||
+|0599|Minimum Index Sum of Two Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0599.Minimum-Index-Sum-of-Two-Lists)|51.6%|Easy||
+|0600|Non-negative Integers without Consecutive Ones||34.7%|Hard||
+|0601|Human Traffic of Stadium||44.8%|Hard||
+|0602|Friend Requests II: Who Has the Most Friends||57.0%|Medium||
+|0603|Consecutive Available Seats||66.0%|Easy||
 |0604|Design Compressed String Iterator||38.1%|Easy||
-|0605|Can Place Flowers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0605.Can-Place-Flowers)|31.9%|Easy||
-|0606|Construct String from Binary Tree||55.0%|Easy||
-|0607|Sales Person||64.8%|Easy||
-|0608|Tree Node||69.1%|Medium||
-|0609|Find Duplicate File in System||60.9%|Medium||
-|0610|Triangle Judgement||68.1%|Easy||
-|0611|Valid Triangle Number||49.1%|Medium||
-|0612|Shortest Distance in a Plane||61.0%|Medium||
-|0613|Shortest Distance in a Line||79.3%|Easy||
-|0614|Second Degree Follower||32.3%|Medium||
-|0615|Average Salary: Departments VS Company||51.7%|Hard||
-|0616|Add Bold Tag in String||44.5%|Medium||
+|0605|Can Place Flowers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0605.Can-Place-Flowers)|31.8%|Easy||
+|0606|Construct String from Binary Tree||55.1%|Easy||
+|0607|Sales Person||64.9%|Easy||
+|0608|Tree Node||69.3%|Medium||
+|0609|Find Duplicate File in System||61.0%|Medium||
+|0610|Triangle Judgement||68.3%|Easy||
+|0611|Valid Triangle Number||49.2%|Medium||
+|0612|Shortest Distance in a Plane||61.1%|Medium||
+|0613|Shortest Distance in a Line||79.4%|Easy||
+|0614|Second Degree Follower||32.4%|Medium||
+|0615|Average Salary: Departments VS Company||51.9%|Hard||
+|0616|Add Bold Tag in String||44.6%|Medium||
 |0617|Merge Two Binary Trees||75.2%|Easy||
-|0618|Students Report By Geography||59.1%|Hard||
-|0619|Biggest Single Number||44.7%|Easy||
-|0620|Not Boring Movies||69.5%|Easy||
-|0621|Task Scheduler||51.6%|Medium||
-|0622|Design Circular Queue||45.1%|Medium||
+|0618|Students Report By Geography||59.4%|Hard||
+|0619|Biggest Single Number||44.8%|Easy||
+|0620|Not Boring Movies||69.6%|Easy||
+|0621|Task Scheduler||51.7%|Medium||
+|0622|Design Circular Queue||45.2%|Medium||
 |0623|Add One Row to Tree||50.3%|Medium||
-|0624|Maximum Distance in Arrays||39.4%|Medium||
+|0624|Maximum Distance in Arrays||39.5%|Medium||
 |0625|Minimum Factorization||32.9%|Medium||
-|0626|Exchange Seats||65.1%|Medium||
-|0627|Swap Salary||77.3%|Easy||
-|0628|Maximum Product of Three Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0628.Maximum-Product-of-Three-Numbers)|47.0%|Easy||
+|0626|Exchange Seats||65.3%|Medium||
+|0627|Swap Salary||77.4%|Easy||
+|0628|Maximum Product of Three Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0628.Maximum-Product-of-Three-Numbers)|46.9%|Easy||
 |0629|K Inverse Pairs Array||31.6%|Hard||
-|0630|Course Schedule III||33.7%|Hard||
+|0630|Course Schedule III||33.8%|Hard||
 |0631|Design Excel Sum Formula||32.1%|Hard||
-|0632|Smallest Range Covering Elements from K Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0632.Smallest-Range-Covering-Elements-from-K-Lists)|54.0%|Hard||
+|0632|Smallest Range Covering Elements from K Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0632.Smallest-Range-Covering-Elements-from-K-Lists)|54.1%|Hard||
 |0633|Sum of Square Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0633.Sum-of-Square-Numbers)|32.5%|Medium||
-|0634|Find the Derangement of An Array||40.4%|Medium||
-|0635|Design Log Storage System||59.5%|Medium||
-|0636|Exclusive Time of Functions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0636.Exclusive-Time-of-Functions)|54.0%|Medium||
-|0637|Average of Levels in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0637.Average-of-Levels-in-Binary-Tree)|64.6%|Easy||
-|0638|Shopping Offers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0638.Shopping-Offers)|52.7%|Medium||
-|0639|Decode Ways II||27.5%|Hard||
-|0640|Solve the Equation||42.6%|Medium||
+|0634|Find the Derangement of An Array||40.5%|Medium||
+|0635|Design Log Storage System||59.6%|Medium||
+|0636|Exclusive Time of Functions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0636.Exclusive-Time-of-Functions)|54.2%|Medium||
+|0637|Average of Levels in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0637.Average-of-Levels-in-Binary-Tree)|64.7%|Easy||
+|0638|Shopping Offers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0638.Shopping-Offers)|52.8%|Medium||
+|0639|Decode Ways II||27.6%|Hard||
+|0640|Solve the Equation||42.7%|Medium||
 |0641|Design Circular Deque||54.6%|Medium||
-|0642|Design Search Autocomplete System||46.0%|Hard||
+|0642|Design Search Autocomplete System||46.1%|Hard||
 |0643|Maximum Average Subarray I||42.0%|Easy||
-|0644|Maximum Average Subarray II||33.9%|Hard||
+|0644|Maximum Average Subarray II||34.0%|Hard||
 |0645|Set Mismatch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0645.Set-Mismatch)|42.5%|Easy||
-|0646|Maximum Length of Pair Chain||52.7%|Medium||
-|0647|Palindromic Substrings||61.7%|Medium||
-|0648|Replace Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0648.Replace-Words)|58.3%|Medium||
+|0646|Maximum Length of Pair Chain||52.8%|Medium||
+|0647|Palindromic Substrings||61.8%|Medium||
+|0648|Replace Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0648.Replace-Words)|58.4%|Medium||
 |0649|Dota2 Senate||39.4%|Medium||
-|0650|2 Keys Keyboard||49.9%|Medium||
-|0651|4 Keys Keyboard||52.9%|Medium||
-|0652|Find Duplicate Subtrees||52.1%|Medium||
+|0650|2 Keys Keyboard||50.0%|Medium||
+|0651|4 Keys Keyboard||53.0%|Medium||
+|0652|Find Duplicate Subtrees||52.3%|Medium||
 |0653|Two Sum IV - Input is a BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0653.Two-Sum-IV---Input-is-a-BST)|56.2%|Easy||
-|0654|Maximum Binary Tree||80.9%|Medium||
-|0655|Print Binary Tree||55.9%|Medium||
+|0654|Maximum Binary Tree||81.0%|Medium||
+|0655|Print Binary Tree||56.0%|Medium||
 |0656|Coin Path||29.6%|Hard||
 |0657|Robot Return to Origin||73.7%|Easy||
-|0658|Find K Closest Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0658.Find-K-Closest-Elements)|41.8%|Medium||
+|0658|Find K Closest Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0658.Find-K-Closest-Elements)|41.9%|Medium||
 |0659|Split Array into Consecutive Subsequences||44.3%|Medium||
-|0660|Remove 9||54.1%|Hard||
+|0660|Remove 9||54.2%|Hard||
 |0661|Image Smoother|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0661.Image-Smoother)|52.2%|Easy||
 |0662|Maximum Width of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0662.Maximum-Width-of-Binary-Tree)|40.0%|Medium||
 |0663|Equal Tree Partition||39.7%|Medium||
 |0664|Strange Printer||41.3%|Hard||
-|0665|Non-decreasing Array||19.6%|Easy||
-|0666|Path Sum IV||55.7%|Medium||
-|0667|Beautiful Arrangement II||55.0%|Medium||
+|0665|Non-decreasing Array||19.7%|Medium||
+|0666|Path Sum IV||55.9%|Medium||
+|0667|Beautiful Arrangement II||55.1%|Medium||
 |0668|Kth Smallest Number in Multiplication Table|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0668.Kth-Smallest-Number-in-Multiplication-Table)|47.7%|Hard||
-|0669|Trim a Binary Search Tree||63.3%|Easy||
-|0670|Maximum Swap||44.9%|Medium||
+|0669|Trim a Binary Search Tree||64.5%|Medium||
+|0670|Maximum Swap||45.0%|Medium||
 |0671|Second Minimum Node In a Binary Tree||42.8%|Easy||
 |0672|Bulb Switcher II||51.1%|Medium||
 |0673|Number of Longest Increasing Subsequence||38.4%|Medium||
-|0674|Longest Continuous Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0674.Longest-Continuous-Increasing-Subsequence)|46.0%|Easy||
+|0674|Longest Continuous Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0674.Longest-Continuous-Increasing-Subsequence)|46.1%|Easy||
 |0675|Cut Off Trees for Golf Event||35.2%|Hard||
 |0676|Implement Magic Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0676.Implement-Magic-Dictionary)|55.2%|Medium||
-|0677|Map Sum Pairs||53.9%|Medium||
-|0678|Valid Parenthesis String||31.5%|Medium||
-|0679|24 Game||47.1%|Hard||
-|0680|Valid Palindrome II||37.0%|Easy||
-|0681|Next Closest Time||45.8%|Medium||
-|0682|Baseball Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0682.Baseball-Game)|66.2%|Easy||
-|0683|K Empty Slots||35.9%|Hard||
-|0684|Redundant Connection|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0684.Redundant-Connection)|58.8%|Medium||
+|0677|Map Sum Pairs||54.0%|Medium||
+|0678|Valid Parenthesis String||31.6%|Medium||
+|0679|24 Game||47.2%|Hard||
+|0680|Valid Palindrome II||37.1%|Easy||
+|0681|Next Closest Time||45.9%|Medium||
+|0682|Baseball Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0682.Baseball-Game)|66.5%|Easy||
+|0683|K Empty Slots||36.0%|Hard||
+|0684|Redundant Connection|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0684.Redundant-Connection)|58.9%|Medium||
 |0685|Redundant Connection II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0685.Redundant-Connection-II)|32.9%|Hard||
 |0686|Repeated String Match||32.8%|Medium||
-|0687|Longest Univalue Path||37.1%|Medium||
-|0688|Knight Probability in Chessboard||49.9%|Medium||
+|0687|Longest Univalue Path||37.2%|Medium||
+|0688|Knight Probability in Chessboard||50.0%|Medium||
 |0689|Maximum Sum of 3 Non-Overlapping Subarrays||47.2%|Hard||
-|0690|Employee Importance||58.5%|Easy||
+|0690|Employee Importance||58.6%|Easy||
 |0691|Stickers to Spell Word||44.4%|Hard||
-|0692|Top K Frequent Words||52.9%|Medium||
+|0692|Top K Frequent Words||53.0%|Medium||
 |0693|Binary Number with Alternating Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0693.Binary-Number-with-Alternating-Bits)|59.8%|Easy||
-|0694|Number of Distinct Islands||57.4%|Medium||
-|0695|Max Area of Island|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0695.Max-Area-of-Island)|64.4%|Medium||
-|0696|Count Binary Substrings||57.3%|Easy||
+|0694|Number of Distinct Islands||57.5%|Medium||
+|0695|Max Area of Island|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0695.Max-Area-of-Island)|64.6%|Medium||
+|0696|Count Binary Substrings||57.4%|Easy||
 |0697|Degree of an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0697.Degree-of-an-Array)|54.4%|Easy||
 |0698|Partition to K Equal Sum Subsets||45.6%|Medium||
-|0699|Falling Squares|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0699.Falling-Squares)|42.4%|Hard||
+|0699|Falling Squares|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0699.Falling-Squares)|42.5%|Hard||
 |0700|Search in a Binary Search Tree||73.4%|Easy||
-|0701|Insert into a Binary Search Tree||75.9%|Medium||
-|0702|Search in a Sorted Array of Unknown Size||68.5%|Medium||
+|0701|Insert into a Binary Search Tree||75.8%|Medium||
+|0702|Search in a Sorted Array of Unknown Size||68.7%|Medium||
 |0703|Kth Largest Element in a Stream||50.6%|Easy||
 |0704|Binary Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0704.Binary-Search)|54.0%|Easy||
-|0705|Design HashSet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0705.Design-HashSet)|64.6%|Easy||
-|0706|Design HashMap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0706.Design-HashMap)|62.6%|Easy||
+|0705|Design HashSet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0705.Design-HashSet)|64.7%|Easy||
+|0706|Design HashMap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0706.Design-HashMap)|62.7%|Easy||
 |0707|Design Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0707.Design-Linked-List)|25.8%|Medium||
-|0708|Insert into a Sorted Circular Linked List||32.4%|Medium||
+|0708|Insert into a Sorted Circular Linked List||32.5%|Medium||
 |0709|To Lower Case||80.0%|Easy||
-|0710|Random Pick with Blacklist|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0710.Random-Pick-with-Blacklist)|32.6%|Hard||
+|0710|Random Pick with Blacklist|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0710.Random-Pick-with-Blacklist)|32.7%|Hard||
 |0711|Number of Distinct Islands II||49.1%|Hard||
 |0712|Minimum ASCII Delete Sum for Two Strings||59.4%|Medium||
-|0713|Subarray Product Less Than K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0713.Subarray-Product-Less-Than-K)|40.4%|Medium||
-|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee)|55.9%|Medium||
-|0715|Range Module|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0715.Range-Module)|40.1%|Hard||
-|0716|Max Stack||42.9%|Easy||
-|0717|1-bit and 2-bit Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0717.1-bit-and-2-bit-Characters)|47.5%|Easy||
-|0718|Maximum Length of Repeated Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0718.Maximum-Length-of-Repeated-Subarray)|50.2%|Medium||
+|0713|Subarray Product Less Than K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0713.Subarray-Product-Less-Than-K)|40.5%|Medium||
+|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee)|56.0%|Medium||
+|0715|Range Module|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0715.Range-Module)|40.2%|Hard||
+|0716|Max Stack||43.0%|Easy||
+|0717|1-bit and 2-bit Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0717.1-bit-and-2-bit-Characters)|47.4%|Easy||
+|0718|Maximum Length of Repeated Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0718.Maximum-Length-of-Repeated-Subarray)|50.3%|Medium||
 |0719|Find K-th Smallest Pair Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0719.Find-K-th-Smallest-Pair-Distance)|32.5%|Hard||
 |0720|Longest Word in Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0720.Longest-Word-in-Dictionary)|49.1%|Easy||
-|0721|Accounts Merge|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0721.Accounts-Merge)|51.3%|Medium||
-|0722|Remove Comments||35.9%|Medium||
-|0723|Candy Crush||72.5%|Medium||
-|0724|Find Pivot Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0724.Find-Pivot-Index)|45.1%|Easy||
-|0725|Split Linked List in Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0725.Split-Linked-List-in-Parts)|52.8%|Medium||
-|0726|Number of Atoms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0726.Number-of-Atoms)|51.0%|Hard||
+|0721|Accounts Merge|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0721.Accounts-Merge)|51.6%|Medium||
+|0722|Remove Comments||36.0%|Medium||
+|0723|Candy Crush||72.6%|Medium||
+|0724|Find Pivot Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0724.Find-Pivot-Index)|45.2%|Easy||
+|0725|Split Linked List in Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0725.Split-Linked-List-in-Parts)|52.9%|Medium||
+|0726|Number of Atoms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0726.Number-of-Atoms)|51.1%|Hard||
 |0727|Minimum Window Subsequence||42.1%|Hard||
-|0728|Self Dividing Numbers||75.3%|Easy||
+|0728|Self Dividing Numbers||75.4%|Easy||
 |0729|My Calendar I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0729.My-Calendar-I)|53.2%|Medium||
 |0730|Count Different Palindromic Subsequences||43.4%|Hard||
-|0731|My Calendar II||50.3%|Medium||
-|0732|My Calendar III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0732.My-Calendar-III)|61.5%|Hard||
-|0733|Flood Fill|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0733.Flood-Fill)|55.8%|Easy||
-|0734|Sentence Similarity||42.3%|Easy||
+|0731|My Calendar II||50.4%|Medium||
+|0732|My Calendar III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0732.My-Calendar-III)|61.6%|Hard||
+|0733|Flood Fill|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0733.Flood-Fill)|55.9%|Easy||
+|0734|Sentence Similarity||42.4%|Easy||
 |0735|Asteroid Collision|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0735.Asteroid-Collision)|43.2%|Medium||
-|0736|Parse Lisp Expression||49.9%|Hard||
+|0736|Parse Lisp Expression||49.8%|Hard||
 |0737|Sentence Similarity II||46.5%|Medium||
-|0738|Monotone Increasing Digits||45.5%|Medium||
-|0739|Daily Temperatures|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0739.Daily-Temperatures)|64.4%|Medium||
+|0738|Monotone Increasing Digits||45.6%|Medium||
+|0739|Daily Temperatures|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0739.Daily-Temperatures)|64.5%|Medium||
 |0740|Delete and Earn||49.2%|Medium||
-|0741|Cherry Pickup||35.0%|Hard||
-|0742|Closest Leaf in a Binary Tree||44.2%|Medium||
-|0743|Network Delay Time||45.3%|Medium||
+|0741|Cherry Pickup||35.1%|Hard||
+|0742|Closest Leaf in a Binary Tree||44.3%|Medium||
+|0743|Network Delay Time||45.4%|Medium||
 |0744|Find Smallest Letter Greater Than Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0744.Find-Smallest-Letter-Greater-Than-Target)|45.6%|Easy||
-|0745|Prefix and Suffix Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0745.Prefix-and-Suffix-Search)|35.1%|Hard||
+|0745|Prefix and Suffix Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0745.Prefix-and-Suffix-Search)|35.2%|Hard||
 |0746|Min Cost Climbing Stairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0746.Min-Cost-Climbing-Stairs)|50.9%|Easy||
 |0747|Largest Number At Least Twice of Others||42.9%|Easy||
-|0748|Shortest Completing Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0748.Shortest-Completing-Word)|57.4%|Easy||
-|0749|Contain Virus||47.9%|Hard||
-|0750|Number Of Corner Rectangles||66.7%|Medium||
-|0751|IP to CIDR||60.0%|Medium||
-|0752|Open the Lock||52.6%|Medium||
-|0753|Cracking the Safe|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0753.Cracking-the-Safe)|52.1%|Hard||
+|0748|Shortest Completing Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0748.Shortest-Completing-Word)|57.5%|Easy||
+|0749|Contain Virus||48.1%|Hard||
+|0750|Number Of Corner Rectangles||67.1%|Medium||
+|0751|IP to CIDR||59.8%|Medium||
+|0752|Open the Lock||52.7%|Medium||
+|0753|Cracking the Safe|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0753.Cracking-the-Safe)|52.2%|Hard||
 |0754|Reach a Number||40.5%|Medium||
-|0755|Pour Water||44.0%|Medium||
-|0756|Pyramid Transition Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0756.Pyramid-Transition-Matrix)|55.4%|Medium||
-|0757|Set Intersection Size At Least Two||42.2%|Hard||
-|0758|Bold Words in String||47.2%|Easy||
-|0759|Employee Free Time||67.9%|Hard||
-|0760|Find Anagram Mappings||81.7%|Easy||
+|0755|Pour Water||44.1%|Medium||
+|0756|Pyramid Transition Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0756.Pyramid-Transition-Matrix)|55.5%|Medium||
+|0757|Set Intersection Size At Least Two||42.1%|Hard||
+|0758|Bold Words in String||47.3%|Easy||
+|0759|Employee Free Time||68.1%|Hard||
+|0760|Find Anagram Mappings||81.8%|Easy||
 |0761|Special Binary String||58.6%|Hard||
-|0762|Prime Number of Set Bits in Binary Representation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0762.Prime-Number-of-Set-Bits-in-Binary-Representation)|64.2%|Easy||
-|0763|Partition Labels|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0763.Partition-Labels)|77.9%|Medium||
-|0764|Largest Plus Sign||46.4%|Medium||
+|0762|Prime Number of Set Bits in Binary Representation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0762.Prime-Number-of-Set-Bits-in-Binary-Representation)|64.3%|Easy||
+|0763|Partition Labels|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0763.Partition-Labels)|78.0%|Medium||
+|0764|Largest Plus Sign||46.5%|Medium||
 |0765|Couples Holding Hands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0765.Couples-Holding-Hands)|55.4%|Hard||
 |0766|Toeplitz Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0766.Toeplitz-Matrix)|65.8%|Easy||
-|0767|Reorganize String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0767.Reorganize-String)|49.9%|Medium||
+|0767|Reorganize String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0767.Reorganize-String)|50.0%|Medium||
 |0768|Max Chunks To Make Sorted II||49.7%|Hard||
 |0769|Max Chunks To Make Sorted||55.5%|Medium||
-|0770|Basic Calculator IV||54.4%|Hard||
+|0770|Basic Calculator IV||54.1%|Hard||
 |0771|Jewels and Stones|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0771.Jewels-and-Stones)|86.9%|Easy||
-|0772|Basic Calculator III||43.3%|Hard||
-|0773|Sliding Puzzle||60.6%|Hard||
-|0774|Minimize Max Distance to Gas Station||48.1%|Hard||
+|0772|Basic Calculator III||43.4%|Hard||
+|0773|Sliding Puzzle||60.7%|Hard||
+|0774|Minimize Max Distance to Gas Station||48.2%|Hard||
 |0775|Global and Local Inversions||42.5%|Medium||
-|0776|Split BST||56.5%|Medium||
-|0777|Swap Adjacent in LR String||35.5%|Medium||
-|0778|Swim in Rising Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0778.Swim-in-Rising-Water)|54.5%|Hard||
+|0776|Split BST||56.6%|Medium||
+|0777|Swap Adjacent in LR String||35.6%|Medium||
+|0778|Swim in Rising Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0778.Swim-in-Rising-Water)|54.8%|Hard||
 |0779|K-th Symbol in Grammar||38.5%|Medium||
 |0780|Reaching Points||30.3%|Hard||
 |0781|Rabbits in Forest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0781.Rabbits-in-Forest)|55.4%|Medium||
-|0782|Transform to Chessboard||46.8%|Hard||
-|0783|Minimum Distance Between BST Nodes||53.7%|Easy||
-|0784|Letter Case Permutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0784.Letter-Case-Permutation)|66.3%|Medium||
-|0785|Is Graph Bipartite?|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0785.Is-Graph-Bipartite?)|48.2%|Medium||
-|0786|K-th Smallest Prime Fraction|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0786.K-th-Smallest-Prime-Fraction)|41.9%|Hard||
+|0782|Transform to Chessboard||47.0%|Hard||
+|0783|Minimum Distance Between BST Nodes||53.8%|Easy||
+|0784|Letter Case Permutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0784.Letter-Case-Permutation)|66.4%|Medium||
+|0785|Is Graph Bipartite?|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0785.Is-Graph-Bipartite?)|48.3%|Medium||
+|0786|K-th Smallest Prime Fraction|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0786.K-th-Smallest-Prime-Fraction)|42.2%|Hard||
 |0787|Cheapest Flights Within K Stops||39.5%|Medium||
 |0788|Rotated Digits||57.2%|Easy||
-|0789|Escape The Ghosts||58.2%|Medium||
+|0789|Escape The Ghosts||58.3%|Medium||
 |0790|Domino and Tromino Tiling||40.0%|Medium||
 |0791|Custom Sort String||65.9%|Medium||
 |0792|Number of Matching Subsequences||48.1%|Medium||
 |0793|Preimage Size of Factorial Zeroes Function|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0793.Preimage-Size-of-Factorial-Zeroes-Function)|40.7%|Hard||
-|0794|Valid Tic-Tac-Toe State||33.6%|Medium||
-|0795|Number of Subarrays with Bounded Maximum||47.4%|Medium||
+|0794|Valid Tic-Tac-Toe State||33.7%|Medium||
+|0795|Number of Subarrays with Bounded Maximum||47.5%|Medium||
 |0796|Rotate String||49.3%|Easy||
-|0797|All Paths From Source to Target||78.4%|Medium||
+|0797|All Paths From Source to Target||78.5%|Medium||
 |0798|Smallest Rotation with Highest Score||44.8%|Hard||
-|0799|Champagne Tower||44.0%|Medium||
+|0799|Champagne Tower||44.1%|Medium||
 |0800|Similar RGB Color||62.2%|Easy||
 |0801|Minimum Swaps To Make Sequences Increasing||39.0%|Medium||
-|0802|Find Eventual Safe States|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0802.Find-Eventual-Safe-States)|49.7%|Medium||
-|0803|Bricks Falling When Hit|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0803.Bricks-Falling-When-Hit)|31.3%|Hard||
+|0802|Find Eventual Safe States|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0802.Find-Eventual-Safe-States)|49.8%|Medium||
+|0803|Bricks Falling When Hit|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0803.Bricks-Falling-When-Hit)|31.4%|Hard||
 |0804|Unique Morse Code Words||78.8%|Easy||
 |0805|Split Array With Same Average||26.7%|Hard||
 |0806|Number of Lines To Write String||65.5%|Easy||
 |0807|Max Increase to Keep City Skyline||84.3%|Medium||
-|0808|Soup Servings||40.9%|Medium||
+|0808|Soup Servings||41.0%|Medium||
 |0809|Expressive Words||46.5%|Medium||
-|0810|Chalkboard XOR Game||49.4%|Hard||
-|0811|Subdomain Visit Count|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0811.Subdomain-Visit-Count)|71.2%|Easy||
+|0810|Chalkboard XOR Game||49.5%|Hard||
+|0811|Subdomain Visit Count|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0811.Subdomain-Visit-Count)|71.4%|Easy||
 |0812|Largest Triangle Area|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0812.Largest-Triangle-Area)|58.9%|Easy||
 |0813|Largest Sum of Averages||51.0%|Medium||
-|0814|Binary Tree Pruning||72.8%|Medium||
+|0814|Binary Tree Pruning||72.7%|Medium||
 |0815|Bus Routes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0815.Bus-Routes)|43.3%|Hard||
-|0816|Ambiguous Coordinates||47.9%|Medium||
-|0817|Linked List Components|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0817.Linked-List-Components)|57.6%|Medium||
-|0818|Race Car||39.7%|Hard||
-|0819|Most Common Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0819.Most-Common-Word)|45.4%|Easy||
-|0820|Short Encoding of Words||51.4%|Medium||
-|0821|Shortest Distance to a Character||67.8%|Easy||
+|0816|Ambiguous Coordinates||48.0%|Medium||
+|0817|Linked List Components|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0817.Linked-List-Components)|57.7%|Medium||
+|0818|Race Car||39.8%|Hard||
+|0819|Most Common Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0819.Most-Common-Word)|45.5%|Easy||
+|0820|Short Encoding of Words||51.5%|Medium||
+|0821|Shortest Distance to a Character||68.0%|Easy||
 |0822|Card Flipping Game||43.6%|Medium||
-|0823|Binary Trees With Factors||36.4%|Medium||
-|0824|Goat Latin||66.3%|Easy||
+|0823|Binary Trees With Factors||36.5%|Medium||
+|0824|Goat Latin||66.4%|Easy||
 |0825|Friends Of Appropriate Ages||43.9%|Medium||
 |0826|Most Profit Assigning Work|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0826.Most-Profit-Assigning-Work)|39.0%|Medium||
-|0827|Making A Large Island||47.1%|Hard||
-|0828|Count Unique Characters of All Substrings of a Given String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String)|46.7%|Hard||
+|0827|Making A Large Island||47.2%|Hard||
+|0828|Count Unique Characters of All Substrings of a Given String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String)|46.8%|Hard||
 |0829|Consecutive Numbers Sum||39.3%|Hard||
 |0830|Positions of Large Groups|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0830.Positions-of-Large-Groups)|50.3%|Easy||
-|0831|Masking Personal Information||44.7%|Medium||
-|0832|Flipping an Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0832.Flipping-an-Image)|78.0%|Easy||
-|0833|Find And Replace in String||51.3%|Medium||
-|0834|Sum of Distances in Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0834.Sum-of-Distances-in-Tree)|45.6%|Hard||
+|0831|Masking Personal Information||44.8%|Medium||
+|0832|Flipping an Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0832.Flipping-an-Image)|78.1%|Easy||
+|0833|Find And Replace in String||51.4%|Medium||
+|0834|Sum of Distances in Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0834.Sum-of-Distances-in-Tree)|45.8%|Hard||
 |0835|Image Overlap||61.8%|Medium||
-|0836|Rectangle Overlap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0836.Rectangle-Overlap)|45.0%|Easy||
+|0836|Rectangle Overlap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0836.Rectangle-Overlap)|44.8%|Easy||
 |0837|New 21 Game||35.3%|Medium||
 |0838|Push Dominoes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0838.Push-Dominoes)|49.7%|Medium||
-|0839|Similar String Groups|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0839.Similar-String-Groups)|40.2%|Hard||
+|0839|Similar String Groups|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0839.Similar-String-Groups)|40.4%|Hard||
 |0840|Magic Squares In Grid||37.8%|Medium||
-|0841|Keys and Rooms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0841.Keys-and-Rooms)|65.3%|Medium||
-|0842|Split Array into Fibonacci Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0842.Split-Array-into-Fibonacci-Sequence)|36.7%|Medium||
+|0841|Keys and Rooms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0841.Keys-and-Rooms)|65.4%|Medium||
+|0842|Split Array into Fibonacci Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0842.Split-Array-into-Fibonacci-Sequence)|36.8%|Medium||
 |0843|Guess the Word||46.4%|Hard||
-|0844|Backspace String Compare|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0844.Backspace-String-Compare)|46.8%|Easy||
+|0844|Backspace String Compare|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0844.Backspace-String-Compare)|46.9%|Easy||
 |0845|Longest Mountain in Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0845.Longest-Mountain-in-Array)|38.5%|Medium||
 |0846|Hand of Straights||55.3%|Medium||
-|0847|Shortest Path Visiting All Nodes||53.3%|Hard||
-|0848|Shifting Letters||45.1%|Medium||
+|0847|Shortest Path Visiting All Nodes||53.4%|Hard||
+|0848|Shifting Letters||45.2%|Medium||
 |0849|Maximize Distance to Closest Person||44.5%|Medium||
 |0850|Rectangle Area II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0850.Rectangle-Area-II)|48.3%|Hard||
-|0851|Loud and Rich|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0851.Loud-and-Rich)|52.5%|Medium||
-|0852|Peak Index in a Mountain Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0852.Peak-Index-in-a-Mountain-Array)|71.8%|Easy||
-|0853|Car Fleet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0853.Car-Fleet)|43.6%|Medium||
+|0851|Loud and Rich|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0851.Loud-and-Rich)|52.6%|Medium||
+|0852|Peak Index in a Mountain Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0852.Peak-Index-in-a-Mountain-Array)|71.7%|Easy||
+|0853|Car Fleet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0853.Car-Fleet)|43.7%|Medium||
 |0854|K-Similar Strings||38.7%|Hard||
 |0855|Exam Room||43.4%|Medium||
 |0856|Score of Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0856.Score-of-Parentheses)|62.3%|Medium||
-|0857|Minimum Cost to Hire K Workers||50.3%|Hard||
-|0858|Mirror Reflection||59.5%|Medium||
-|0859|Buddy Strings||29.6%|Easy||
+|0857|Minimum Cost to Hire K Workers||50.4%|Hard||
+|0858|Mirror Reflection||59.6%|Medium||
+|0859|Buddy Strings||29.5%|Easy||
 |0860|Lemonade Change||51.9%|Easy||
-|0861|Score After Flipping Matrix||73.5%|Medium||
+|0861|Score After Flipping Matrix||73.6%|Medium||
 |0862|Shortest Subarray with Sum at Least K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0862.Shortest-Subarray-with-Sum-at-Least-K)|25.2%|Hard||
-|0863|All Nodes Distance K in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0863.All-Nodes-Distance-K-in-Binary-Tree)|57.6%|Medium||
-|0864|Shortest Path to Get All Keys|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0864.Shortest-Path-to-Get-All-Keys)|41.6%|Hard||
-|0865|Smallest Subtree with all the Deepest Nodes||64.7%|Medium||
+|0863|All Nodes Distance K in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0863.All-Nodes-Distance-K-in-Binary-Tree)|57.8%|Medium||
+|0864|Shortest Path to Get All Keys|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0864.Shortest-Path-to-Get-All-Keys)|41.8%|Hard||
+|0865|Smallest Subtree with all the Deepest Nodes||64.8%|Medium||
 |0866|Prime Palindrome||25.1%|Medium||
-|0867|Transpose Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0867.Transpose-Matrix)|62.2%|Easy||
-|0868|Binary Gap||60.8%|Easy||
+|0867|Transpose Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0867.Transpose-Matrix)|62.1%|Easy||
+|0868|Binary Gap||60.9%|Easy||
 |0869|Reordered Power of 2||54.1%|Medium||
 |0870|Advantage Shuffle||46.7%|Medium||
-|0871|Minimum Number of Refueling Stops||32.2%|Hard||
+|0871|Minimum Number of Refueling Stops||32.3%|Hard||
 |0872|Leaf-Similar Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0872.Leaf-Similar-Trees)|64.6%|Easy||
 |0873|Length of Longest Fibonacci Subsequence||48.1%|Medium||
 |0874|Walking Robot Simulation||36.7%|Easy||
 |0875|Koko Eating Bananas|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0875.Koko-Eating-Bananas)|53.4%|Medium||
-|0876|Middle of the Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0876.Middle-of-the-Linked-List)|68.9%|Easy||
+|0876|Middle of the Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0876.Middle-of-the-Linked-List)|69.0%|Easy||
 |0877|Stone Game||66.4%|Medium||
 |0878|Nth Magical Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0878.Nth-Magical-Number)|28.9%|Hard||
-|0879|Profitable Schemes||40.1%|Hard||
+|0879|Profitable Schemes||40.0%|Hard||
 |0880|Decoded String at Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0880.Decoded-String-at-Index)|28.3%|Medium||
-|0881|Boats to Save People|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0881.Boats-to-Save-People)|48.7%|Medium||
-|0882|Reachable Nodes In Subdivided Graph||42.3%|Hard||
-|0883|Projection Area of 3D Shapes||68.1%|Easy||
+|0881|Boats to Save People|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0881.Boats-to-Save-People)|48.8%|Medium||
+|0882|Reachable Nodes In Subdivided Graph||42.5%|Hard||
+|0883|Projection Area of 3D Shapes||68.2%|Easy||
 |0884|Uncommon Words from Two Sentences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0884.Uncommon-Words-from-Two-Sentences)|64.0%|Easy||
-|0885|Spiral Matrix III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0885.Spiral-Matrix-III)|70.6%|Medium||
-|0886|Possible Bipartition||45.0%|Medium||
+|0885|Spiral Matrix III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0885.Spiral-Matrix-III)|70.7%|Medium||
+|0886|Possible Bipartition||45.1%|Medium||
 |0887|Super Egg Drop|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0887.Super-Egg-Drop)|27.0%|Hard||
 |0888|Fair Candy Swap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0888.Fair-Candy-Swap)|58.9%|Easy||
 |0889|Construct Binary Tree from Preorder and Postorder Traversal||67.4%|Medium||
 |0890|Find and Replace Pattern||74.1%|Medium||
 |0891|Sum of Subsequence Widths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0891.Sum-of-Subsequence-Widths)|32.9%|Hard||
-|0892|Surface Area of 3D Shapes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0892.Surface-Area-of-3D-Shapes)|59.6%|Easy||
-|0893|Groups of Special-Equivalent Strings||68.2%|Easy||
+|0892|Surface Area of 3D Shapes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0892.Surface-Area-of-3D-Shapes)|59.7%|Easy||
+|0893|Groups of Special-Equivalent Strings||68.4%|Easy||
 |0894|All Possible Full Binary Trees||77.0%|Medium||
 |0895|Maximum Frequency Stack|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0895.Maximum-Frequency-Stack)|62.2%|Hard||
 |0896|Monotonic Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0896.Monotonic-Array)|58.0%|Easy||
-|0897|Increasing Order Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0897.Increasing-Order-Search-Tree)|74.4%|Easy||
-|0898|Bitwise ORs of Subarrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0898.Bitwise-ORs-of-Subarrays)|34.0%|Medium||
+|0897|Increasing Order Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0897.Increasing-Order-Search-Tree)|74.5%|Easy||
+|0898|Bitwise ORs of Subarrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0898.Bitwise-ORs-of-Subarrays)|34.1%|Medium||
 |0899|Orderly Queue||53.0%|Hard||
 |0900|RLE Iterator||55.2%|Medium||
-|0901|Online Stock Span|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0901.Online-Stock-Span)|61.2%|Medium||
+|0901|Online Stock Span|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0901.Online-Stock-Span)|61.3%|Medium||
 |0902|Numbers At Most N Given Digit Set||36.1%|Hard||
 |0903|Valid Permutations for DI Sequence||54.1%|Hard||
-|0904|Fruit Into Baskets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0904.Fruit-Into-Baskets)|42.9%|Medium||
+|0904|Fruit Into Baskets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0904.Fruit-Into-Baskets)|43.0%|Medium||
 |0905|Sort Array By Parity||75.0%|Easy||
 |0906|Super Palindromes||32.8%|Hard||
-|0907|Sum of Subarray Minimums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0907.Sum-of-Subarray-Minimums)|33.2%|Medium||
+|0907|Sum of Subarray Minimums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0907.Sum-of-Subarray-Minimums)|33.1%|Medium||
 |0908|Smallest Range I||66.4%|Easy||
 |0909|Snakes and Ladders||39.2%|Medium||
-|0910|Smallest Range II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0910.Smallest-Range-II)|31.2%|Medium||
+|0910|Smallest Range II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0910.Smallest-Range-II)|31.3%|Medium||
 |0911|Online Election|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0911.Online-Election)|51.2%|Medium||
 |0912|Sort an Array||64.5%|Medium||
-|0913|Cat and Mouse||34.6%|Hard||
+|0913|Cat and Mouse||34.7%|Hard||
 |0914|X of a Kind in a Deck of Cards|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0914.X-of-a-Kind-in-a-Deck-of-Cards)|34.3%|Easy||
-|0915|Partition Array into Disjoint Intervals||46.0%|Medium||
-|0916|Word Subsets||48.1%|Medium||
-|0917|Reverse Only Letters||58.6%|Easy||
+|0915|Partition Array into Disjoint Intervals||46.1%|Medium||
+|0916|Word Subsets||48.2%|Medium||
+|0917|Reverse Only Letters||58.7%|Easy||
 |0918|Maximum Sum Circular Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0918.Maximum-Sum-Circular-Subarray)|34.1%|Medium||
-|0919|Complete Binary Tree Inserter||58.6%|Medium||
+|0919|Complete Binary Tree Inserter||58.7%|Medium||
 |0920|Number of Music Playlists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0920.Number-of-Music-Playlists)|47.7%|Hard||
 |0921|Minimum Add to Make Parentheses Valid|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0921.Minimum-Add-to-Make-Parentheses-Valid)|74.7%|Medium||
-|0922|Sort Array By Parity II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0922.Sort-Array-By-Parity-II)|70.4%|Easy||
-|0923|3Sum With Multiplicity|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0923.3Sum-With-Multiplicity)|36.1%|Medium||
+|0922|Sort Array By Parity II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0922.Sort-Array-By-Parity-II)|70.5%|Easy||
+|0923|3Sum With Multiplicity|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0923.3Sum-With-Multiplicity)|36.2%|Medium||
 |0924|Minimize Malware Spread|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0924.Minimize-Malware-Spread)|41.8%|Hard||
-|0925|Long Pressed Name|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0925.Long-Pressed-Name)|38.3%|Easy||
-|0926|Flip String to Monotone Increasing||53.0%|Medium||
-|0927|Three Equal Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0927.Three-Equal-Parts)|34.5%|Hard||
+|0925|Long Pressed Name|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0925.Long-Pressed-Name)|38.2%|Easy||
+|0926|Flip String to Monotone Increasing||53.1%|Medium||
+|0927|Three Equal Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0927.Three-Equal-Parts)|34.6%|Hard||
 |0928|Minimize Malware Spread II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0928.Minimize-Malware-Spread-II)|41.2%|Hard||
 |0929|Unique Email Addresses||67.1%|Easy||
-|0930|Binary Subarrays With Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0930.Binary-Subarrays-With-Sum)|44.3%|Medium||
-|0931|Minimum Falling Path Sum||63.2%|Medium||
+|0930|Binary Subarrays With Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0930.Binary-Subarrays-With-Sum)|44.5%|Medium||
+|0931|Minimum Falling Path Sum||63.3%|Medium||
 |0932|Beautiful Array||61.1%|Medium||
 |0933|Number of Recent Calls|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0933.Number-of-Recent-Calls)|72.0%|Easy||
-|0934|Shortest Bridge||49.4%|Medium||
+|0934|Shortest Bridge||49.5%|Medium||
 |0935|Knight Dialer||46.3%|Medium||
-|0936|Stamping The Sequence||47.2%|Hard||
+|0936|Stamping The Sequence||47.3%|Hard||
 |0937|Reorder Data in Log Files||54.4%|Easy||
 |0938|Range Sum of BST||82.9%|Easy||
 |0939|Minimum Area Rectangle||51.9%|Medium||
 |0940|Distinct Subsequences II||41.6%|Hard||
 |0941|Valid Mountain Array||33.4%|Easy||
-|0942|DI String Match|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0942.DI-String-Match)|73.4%|Easy||
-|0943|Find the Shortest Superstring||43.5%|Hard||
+|0942|DI String Match|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0942.DI-String-Match)|73.5%|Easy||
+|0943|Find the Shortest Superstring||43.4%|Hard||
 |0944|Delete Columns to Make Sorted||71.1%|Easy||
 |0945|Minimum Increment to Make Array Unique||46.7%|Medium||
-|0946|Validate Stack Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0946.Validate-Stack-Sequences)|63.5%|Medium||
+|0946|Validate Stack Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0946.Validate-Stack-Sequences)|63.6%|Medium||
 |0947|Most Stones Removed with Same Row or Column|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0947.Most-Stones-Removed-with-Same-Row-or-Column)|55.5%|Medium||
 |0948|Bag of Tokens||46.1%|Medium||
 |0949|Largest Time for Given Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0949.Largest-Time-for-Given-Digits)|36.2%|Medium||
 |0950|Reveal Cards In Increasing Order||75.3%|Medium||
-|0951|Flip Equivalent Binary Trees||65.6%|Medium||
+|0951|Flip Equivalent Binary Trees||65.7%|Medium||
 |0952|Largest Component Size by Common Factor|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0952.Largest-Component-Size-by-Common-Factor)|36.1%|Hard||
-|0953|Verifying an Alien Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0953.Verifying-an-Alien-Dictionary)|52.4%|Easy||
-|0954|Array of Doubled Pairs||35.3%|Medium||
-|0955|Delete Columns to Make Sorted II||33.7%|Medium||
-|0956|Tallest Billboard||39.8%|Hard||
+|0953|Verifying an Alien Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0953.Verifying-an-Alien-Dictionary)|52.3%|Easy||
+|0954|Array of Doubled Pairs||35.2%|Medium||
+|0955|Delete Columns to Make Sorted II||33.8%|Medium||
+|0956|Tallest Billboard||40.0%|Hard||
 |0957|Prison Cells After N Days||40.2%|Medium||
-|0958|Check Completeness of a Binary Tree||52.4%|Medium||
-|0959|Regions Cut By Slashes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0959.Regions-Cut-By-Slashes)|66.9%|Medium||
-|0960|Delete Columns to Make Sorted III||54.7%|Hard||
+|0958|Check Completeness of a Binary Tree||52.5%|Medium||
+|0959|Regions Cut By Slashes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0959.Regions-Cut-By-Slashes)|67.0%|Medium||
+|0960|Delete Columns to Make Sorted III||54.8%|Hard||
 |0961|N-Repeated Element in Size 2N Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0961.N-Repeated-Element-in-Size-2N-Array)|74.4%|Easy||
-|0962|Maximum Width Ramp||46.4%|Medium||
-|0963|Minimum Area Rectangle II||51.7%|Medium||
+|0962|Maximum Width Ramp||46.5%|Medium||
+|0963|Minimum Area Rectangle II||51.8%|Medium||
 |0964|Least Operators to Express Number||44.9%|Hard||
 |0965|Univalued Binary Tree||67.8%|Easy||
-|0966|Vowel Spellchecker||47.7%|Medium||
-|0967|Numbers With Same Consecutive Differences||44.6%|Medium||
-|0968|Binary Tree Cameras|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0968.Binary-Tree-Cameras)|38.5%|Hard||
+|0966|Vowel Spellchecker||47.9%|Medium||
+|0967|Numbers With Same Consecutive Differences||44.7%|Medium||
+|0968|Binary Tree Cameras|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0968.Binary-Tree-Cameras)|38.6%|Hard||
 |0969|Pancake Sorting|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0969.Pancake-Sorting)|68.6%|Medium||
-|0970|Powerful Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0970.Powerful-Integers)|39.9%|Easy||
+|0970|Powerful Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0970.Powerful-Integers)|39.9%|Medium||
 |0971|Flip Binary Tree To Match Preorder Traversal||46.2%|Medium||
-|0972|Equal Rational Numbers||41.9%|Hard||
-|0973|K Closest Points to Origin|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0973.K-Closest-Points-to-Origin)|64.5%|Medium||
-|0974|Subarray Sums Divisible by K||50.6%|Medium||
-|0975|Odd Even Jump||41.6%|Hard||
+|0972|Equal Rational Numbers||42.1%|Hard||
+|0973|K Closest Points to Origin|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0973.K-Closest-Points-to-Origin)|64.6%|Medium||
+|0974|Subarray Sums Divisible by K||50.7%|Medium||
+|0975|Odd Even Jump||41.5%|Hard||
 |0976|Largest Perimeter Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0976.Largest-Perimeter-Triangle)|58.5%|Easy||
 |0977|Squares of a Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0977.Squares-of-a-Sorted-Array)|72.2%|Easy||
 |0978|Longest Turbulent Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0978.Longest-Turbulent-Subarray)|46.6%|Medium||
-|0979|Distribute Coins in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0979.Distribute-Coins-in-Binary-Tree)|69.5%|Medium||
-|0980|Unique Paths III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0980.Unique-Paths-III)|77.2%|Hard||
-|0981|Time Based Key-Value Store|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0981.Time-Based-Key-Value-Store)|54.0%|Medium||
+|0979|Distribute Coins in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0979.Distribute-Coins-in-Binary-Tree)|69.6%|Medium||
+|0980|Unique Paths III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0980.Unique-Paths-III)|77.1%|Hard||
+|0981|Time Based Key-Value Store|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0981.Time-Based-Key-Value-Store)|54.1%|Medium||
 |0982|Triples with Bitwise AND Equal To Zero||56.2%|Hard||
 |0983|Minimum Cost For Tickets||62.7%|Medium||
-|0984|String Without AAA or BBB|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0984.String-Without-AAA-or-BBB)|38.5%|Medium||
+|0984|String Without AAA or BBB|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0984.String-Without-AAA-or-BBB)|38.6%|Medium||
 |0985|Sum of Even Numbers After Queries|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0985.Sum-of-Even-Numbers-After-Queries)|60.7%|Easy||
-|0986|Interval List Intersections|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0986.Interval-List-Intersections)|68.1%|Medium||
-|0987|Vertical Order Traversal of a Binary Tree||37.7%|Medium||
+|0986|Interval List Intersections|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0986.Interval-List-Intersections)|68.3%|Medium||
+|0987|Vertical Order Traversal of a Binary Tree||38.7%|Hard||
 |0988|Smallest String Starting From Leaf||46.7%|Medium||
-|0989|Add to Array-Form of Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0989.Add-to-Array-Form-of-Integer)|44.7%|Easy||
-|0990|Satisfiability of Equality Equations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0990.Satisfiability-of-Equality-Equations)|46.6%|Medium||
+|0989|Add to Array-Form of Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0989.Add-to-Array-Form-of-Integer)|44.8%|Easy||
+|0990|Satisfiability of Equality Equations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0990.Satisfiability-of-Equality-Equations)|46.7%|Medium||
 |0991|Broken Calculator||46.4%|Medium||
-|0992|Subarrays with K Different Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0992.Subarrays-with-K-Different-Integers)|50.5%|Hard||
+|0992|Subarrays with K Different Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0992.Subarrays-with-K-Different-Integers)|50.6%|Hard||
 |0993|Cousins in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0993.Cousins-in-Binary-Tree)|52.3%|Easy||
 |0994|Rotting Oranges||49.6%|Medium||
-|0995|Minimum Number of K Consecutive Bit Flips|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0995.Minimum-Number-of-K-Consecutive-Bit-Flips)|49.6%|Hard||
-|0996|Number of Squareful Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0996.Number-of-Squareful-Arrays)|48.0%|Hard||
+|0995|Minimum Number of K Consecutive Bit Flips|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0995.Minimum-Number-of-K-Consecutive-Bit-Flips)|49.7%|Hard||
+|0996|Number of Squareful Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0996.Number-of-Squareful-Arrays)|48.3%|Hard||
 |0997|Find the Town Judge||49.8%|Easy||
-|0998|Maximum Binary Tree II||63.7%|Medium||
-|0999|Available Captures for Rook|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0999.Available-Captures-for-Rook)|67.1%|Easy||
+|0998|Maximum Binary Tree II||63.8%|Medium||
+|0999|Available Captures for Rook|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0999.Available-Captures-for-Rook)|67.7%|Easy||
 |1000|Minimum Cost to Merge Stones||40.4%|Hard||
-|1001|Grid Illumination||36.6%|Hard||
-|1002|Find Common Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1002.Find-Common-Characters)|68.2%|Easy||
-|1003|Check If Word Is Valid After Substitutions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1003.Check-If-Word-Is-Valid-After-Substitutions)|56.2%|Medium||
-|1004|Max Consecutive Ones III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1004.Max-Consecutive-Ones-III)|60.6%|Medium||
+|1001|Grid Illumination||36.8%|Hard||
+|1002|Find Common Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1002.Find-Common-Characters)|68.5%|Easy||
+|1003|Check If Word Is Valid After Substitutions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1003.Check-If-Word-Is-Valid-After-Substitutions)|56.3%|Medium||
+|1004|Max Consecutive Ones III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1004.Max-Consecutive-Ones-III)|60.7%|Medium||
 |1005|Maximize Sum Of Array After K Negations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1005.Maximize-Sum-Of-Array-After-K-Negations)|52.3%|Easy||
 |1006|Clumsy Factorial||53.7%|Medium||
 |1007|Minimum Domino Rotations For Equal Row||50.9%|Medium||
-|1008|Construct Binary Search Tree from Preorder Traversal||78.7%|Medium||
+|1008|Construct Binary Search Tree from Preorder Traversal||78.8%|Medium||
 |1009|Complement of Base 10 Integer||61.5%|Easy||
-|1010|Pairs of Songs With Total Durations Divisible by 60||49.9%|Medium||
-|1011|Capacity To Ship Packages Within D Days|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1011.Capacity-To-Ship-Packages-Within-D-Days)|59.6%|Medium||
+|1010|Pairs of Songs With Total Durations Divisible by 60||50.1%|Medium||
+|1011|Capacity To Ship Packages Within D Days|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1011.Capacity-To-Ship-Packages-Within-D-Days)|59.7%|Medium||
 |1012|Numbers With Repeated Digits||37.7%|Hard||
-|1013|Partition Array Into Three Parts With Equal Sum||49.2%|Easy||
-|1014|Best Sightseeing Pair||52.8%|Medium||
+|1013|Partition Array Into Three Parts With Equal Sum||49.1%|Easy||
+|1014|Best Sightseeing Pair||52.9%|Medium||
 |1015|Smallest Integer Divisible by K||41.8%|Medium||
 |1016|Binary String With Substrings Representing 1 To N||59.0%|Medium||
 |1017|Convert to Base -2|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1017.Convert-to-Base--2)|59.6%|Medium||
 |1018|Binary Prefix Divisible By 5|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1018.Binary-Prefix-Divisible-By-5)|47.8%|Easy||
 |1019|Next Greater Node In Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1019.Next-Greater-Node-In-Linked-List)|58.2%|Medium||
-|1020|Number of Enclaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1020.Number-of-Enclaves)|58.7%|Medium||
-|1021|Remove Outermost Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1021.Remove-Outermost-Parentheses)|78.7%|Easy||
+|1020|Number of Enclaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1020.Number-of-Enclaves)|58.9%|Medium||
+|1021|Remove Outermost Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1021.Remove-Outermost-Parentheses)|78.8%|Easy||
 |1022|Sum of Root To Leaf Binary Numbers||71.5%|Easy||
 |1023|Camelcase Matching||57.4%|Medium||
 |1024|Video Stitching||49.0%|Medium||
 |1025|Divisor Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1025.Divisor-Game)|66.2%|Easy||
-|1026|Maximum Difference Between Node and Ancestor|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1026.Maximum-Difference-Between-Node-and-Ancestor)|69.2%|Medium||
-|1027|Longest Arithmetic Subsequence||49.9%|Medium||
-|1028|Recover a Tree From Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1028.Recover-a-Tree-From-Preorder-Traversal)|70.8%|Hard||
-|1029|Two City Scheduling||57.7%|Medium||
+|1026|Maximum Difference Between Node and Ancestor|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1026.Maximum-Difference-Between-Node-and-Ancestor)|69.3%|Medium||
+|1027|Longest Arithmetic Subsequence||49.8%|Medium||
+|1028|Recover a Tree From Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1028.Recover-a-Tree-From-Preorder-Traversal)|70.9%|Hard||
+|1029|Two City Scheduling||57.8%|Medium||
 |1030|Matrix Cells in Distance Order|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1030.Matrix-Cells-in-Distance-Order)|66.9%|Easy||
-|1031|Maximum Sum of Two Non-Overlapping Subarrays||58.8%|Medium||
-|1032|Stream of Characters||48.6%|Hard||
-|1033|Moving Stones Until Consecutive||43.0%|Easy||
-|1034|Coloring A Border||45.5%|Medium||
+|1031|Maximum Sum of Two Non-Overlapping Subarrays||58.9%|Medium||
+|1032|Stream of Characters||48.7%|Hard||
+|1033|Moving Stones Until Consecutive||43.1%|Easy||
+|1034|Coloring A Border||45.6%|Medium||
 |1035|Uncrossed Lines||56.0%|Medium||
 |1036|Escape a Large Maze||34.8%|Hard||
-|1037|Valid Boomerang|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1037.Valid-Boomerang)|37.9%|Easy||
-|1038|Binary Search Tree to Greater Sum Tree||82.0%|Medium||
-|1039|Minimum Score Triangulation of Polygon||50.1%|Medium||
-|1040|Moving Stones Until Consecutive II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1040.Moving-Stones-Until-Consecutive-II)|53.9%|Medium||
-|1041|Robot Bounded In Circle||54.8%|Medium||
+|1037|Valid Boomerang|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1037.Valid-Boomerang)|37.8%|Easy||
+|1038|Binary Search Tree to Greater Sum Tree||82.1%|Medium||
+|1039|Minimum Score Triangulation of Polygon||50.0%|Medium||
+|1040|Moving Stones Until Consecutive II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1040.Moving-Stones-Until-Consecutive-II)|54.1%|Medium||
+|1041|Robot Bounded In Circle||55.0%|Medium||
 |1042|Flower Planting With No Adjacent||48.7%|Medium||
-|1043|Partition Array for Maximum Sum||66.6%|Medium||
-|1044|Longest Duplicate Substring||31.5%|Hard||
-|1045|Customers Who Bought All Products||68.3%|Medium||
+|1043|Partition Array for Maximum Sum||66.8%|Medium||
+|1044|Longest Duplicate Substring||31.4%|Hard||
+|1045|Customers Who Bought All Products||68.4%|Medium||
 |1046|Last Stone Weight||62.4%|Easy||
-|1047|Remove All Adjacent Duplicates In String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1047.Remove-All-Adjacent-Duplicates-In-String)|70.3%|Easy||
-|1048|Longest String Chain||55.3%|Medium||
-|1049|Last Stone Weight II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1049.Last-Stone-Weight-II)|45.0%|Medium||
-|1050|Actors and Directors Who Cooperated At Least Three Times||72.3%|Easy||
-|1051|Height Checker|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1051.Height-Checker)|72.0%|Easy||
-|1052|Grumpy Bookstore Owner|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1052.Grumpy-Bookstore-Owner)|55.7%|Medium||
-|1053|Previous Permutation With One Swap||50.8%|Medium||
+|1047|Remove All Adjacent Duplicates In String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1047.Remove-All-Adjacent-Duplicates-In-String)|70.5%|Easy||
+|1048|Longest String Chain||55.4%|Medium||
+|1049|Last Stone Weight II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1049.Last-Stone-Weight-II)|45.2%|Medium||
+|1050|Actors and Directors Who Cooperated At Least Three Times||72.2%|Easy||
+|1051|Height Checker|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1051.Height-Checker)|72.2%|Easy||
+|1052|Grumpy Bookstore Owner|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1052.Grumpy-Bookstore-Owner)|55.8%|Medium||
+|1053|Previous Permutation With One Swap||51.0%|Medium||
 |1054|Distant Barcodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1054.Distant-Barcodes)|44.2%|Medium||
 |1055|Shortest Way to Form String||57.1%|Medium||
 |1056|Confusing Number||47.1%|Easy||
 |1057|Campus Bikes||57.6%|Medium||
-|1058|Minimize Rounding Error to Meet Target||43.2%|Medium||
+|1058|Minimize Rounding Error to Meet Target||43.0%|Medium||
 |1059|All Paths from Source Lead to Destination||43.2%|Medium||
 |1060|Missing Element in Sorted Array||54.7%|Medium||
 |1061|Lexicographically Smallest Equivalent String||66.8%|Medium||
-|1062|Longest Repeating Substring||58.0%|Medium||
-|1063|Number of Valid Subarrays||72.2%|Hard||
-|1064|Fixed Point||65.4%|Easy||
+|1062|Longest Repeating Substring||58.2%|Medium||
+|1063|Number of Valid Subarrays||72.1%|Hard||
+|1064|Fixed Point||65.3%|Easy||
 |1065|Index Pairs of a String||60.9%|Easy||
 |1066|Campus Bikes II||54.1%|Medium||
 |1067|Digit Count in Range||41.1%|Hard||
 |1068|Product Sales Analysis I||82.3%|Easy||
 |1069|Product Sales Analysis II||83.3%|Easy||
 |1070|Product Sales Analysis III||49.8%|Medium||
-|1071|Greatest Common Divisor of Strings||51.4%|Easy||
-|1072|Flip Columns For Maximum Number of Equal Rows||61.2%|Medium||
+|1071|Greatest Common Divisor of Strings||51.3%|Easy||
+|1072|Flip Columns For Maximum Number of Equal Rows||61.3%|Medium||
 |1073|Adding Two Negabinary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1073.Adding-Two-Negabinary-Numbers)|34.8%|Medium||
-|1074|Number of Submatrices That Sum to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1074.Number-of-Submatrices-That-Sum-to-Target)|61.5%|Hard||
+|1074|Number of Submatrices That Sum to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1074.Number-of-Submatrices-That-Sum-to-Target)|61.7%|Hard||
 |1075|Project Employees I||66.1%|Easy||
-|1076|Project Employees II||53.2%|Easy||
+|1076|Project Employees II||53.1%|Easy||
 |1077|Project Employees III||77.4%|Medium||
-|1078|Occurrences After Bigram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1078.Occurrences-After-Bigram)|64.8%|Easy||
-|1079|Letter Tile Possibilities|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1079.Letter-Tile-Possibilities)|75.8%|Medium||
+|1078|Occurrences After Bigram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1078.Occurrences-After-Bigram)|64.9%|Easy||
+|1079|Letter Tile Possibilities|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1079.Letter-Tile-Possibilities)|75.9%|Medium||
 |1080|Insufficient Nodes in Root to Leaf Paths||49.8%|Medium||
-|1081|Smallest Subsequence of Distinct Characters||53.5%|Medium||
-|1082|Sales Analysis I||73.4%|Easy||
+|1081|Smallest Subsequence of Distinct Characters||53.4%|Medium||
+|1082|Sales Analysis I||73.5%|Easy||
 |1083|Sales Analysis II||50.8%|Easy||
-|1084|Sales Analysis III||54.6%|Easy||
+|1084|Sales Analysis III||54.7%|Easy||
 |1085|Sum of Digits in the Minimum Number||75.1%|Easy||
-|1086|High Five||78.6%|Easy||
-|1087|Brace Expansion||62.9%|Medium||
-|1088|Confusing Number II||45.2%|Hard||
+|1086|High Five||78.3%|Easy||
+|1087|Brace Expansion||63.0%|Medium||
+|1088|Confusing Number II||45.4%|Hard||
 |1089|Duplicate Zeros|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1089.Duplicate-Zeros)|52.0%|Easy||
 |1090|Largest Values From Labels||60.0%|Medium||
-|1091|Shortest Path in Binary Matrix||39.0%|Medium||
+|1091|Shortest Path in Binary Matrix||39.1%|Medium||
 |1092|Shortest Common Supersequence ||52.9%|Hard||
 |1093|Statistics from a Large Sample|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1093.Statistics-from-a-Large-Sample)|49.4%|Medium||
 |1094|Car Pooling||59.1%|Medium||
-|1095|Find in Mountain Array||36.0%|Hard||
+|1095|Find in Mountain Array||36.1%|Hard||
 |1096|Brace Expansion II||62.5%|Hard||
-|1097|Game Play Analysis V||56.3%|Hard||
+|1097|Game Play Analysis V||56.2%|Hard||
 |1098|Unpopular Books||45.5%|Medium||
 |1099|Two Sum Less Than K||60.8%|Easy||
-|1100|Find K-Length Substrings With No Repeated Characters||73.2%|Medium||
-|1101|The Earliest Moment When Everyone Become Friends||67.6%|Medium||
-|1102|Path With Maximum Minimum Value||50.2%|Medium||
-|1103|Distribute Candies to People||63.6%|Easy||
-|1104|Path In Zigzag Labelled Binary Tree||73.0%|Medium||
-|1105|Filling Bookcase Shelves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1105.Filling-Bookcase-Shelves)|57.7%|Medium||
+|1100|Find K-Length Substrings With No Repeated Characters||73.3%|Medium||
+|1101|The Earliest Moment When Everyone Become Friends||67.9%|Medium||
+|1102|Path With Maximum Minimum Value||50.3%|Medium||
+|1103|Distribute Candies to People||63.5%|Easy||
+|1104|Path In Zigzag Labelled Binary Tree||73.1%|Medium||
+|1105|Filling Bookcase Shelves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1105.Filling-Bookcase-Shelves)|57.5%|Medium||
 |1106|Parsing A Boolean Expression||59.2%|Hard||
 |1107|New Users Daily Count||45.8%|Medium||
 |1108|Defanging an IP Address|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1108.Defanging-an-IP-Address)|88.5%|Easy||
-|1109|Corporate Flight Bookings||54.2%|Medium||
-|1110|Delete Nodes And Return Forest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1110.Delete-Nodes-And-Return-Forest)|67.6%|Medium||
-|1111|Maximum Nesting Depth of Two Valid Parentheses Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings)|72.5%|Medium||
+|1109|Corporate Flight Bookings||54.3%|Medium||
+|1110|Delete Nodes And Return Forest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1110.Delete-Nodes-And-Return-Forest)|67.7%|Medium||
+|1111|Maximum Nesting Depth of Two Valid Parentheses Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings)|72.7%|Medium||
 |1112|Highest Grade For Each Student||71.9%|Medium||
-|1113|Reported Posts||65.5%|Easy||
+|1113|Reported Posts||65.7%|Easy||
 |1114|Print in Order||67.0%|Easy||
-|1115|Print FooBar Alternately||59.1%|Medium||
-|1116|Print Zero Even Odd||57.6%|Medium||
+|1115|Print FooBar Alternately||59.0%|Medium||
+|1116|Print Zero Even Odd||57.7%|Medium||
 |1117|Building H2O||53.1%|Medium||
 |1118|Number of Days in a Month||57.6%|Easy||
 |1119|Remove Vowels from a String||90.5%|Easy||
-|1120|Maximum Average Subtree||63.5%|Medium||
+|1120|Maximum Average Subtree||63.6%|Medium||
 |1121|Divide Array Into Increasing Sequences||58.0%|Hard||
-|1122|Relative Sort Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1122.Relative-Sort-Array)|67.9%|Easy||
+|1122|Relative Sort Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1122.Relative-Sort-Array)|68.1%|Easy||
 |1123|Lowest Common Ancestor of Deepest Leaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1123.Lowest-Common-Ancestor-of-Deepest-Leaves)|67.9%|Medium||
 |1124|Longest Well-Performing Interval||33.3%|Medium||
-|1125|Smallest Sufficient Team||46.9%|Hard||
-|1126|Active Businesses||68.7%|Medium||
-|1127|User Purchase Platform||50.3%|Hard||
+|1125|Smallest Sufficient Team||47.0%|Hard||
+|1126|Active Businesses||68.6%|Medium||
+|1127|User Purchase Platform||50.2%|Hard||
 |1128|Number of Equivalent Domino Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1128.Number-of-Equivalent-Domino-Pairs)|46.6%|Easy||
-|1129|Shortest Path with Alternating Colors||40.1%|Medium||
-|1130|Minimum Cost Tree From Leaf Values||67.2%|Medium||
+|1129|Shortest Path with Alternating Colors||40.2%|Medium||
+|1130|Minimum Cost Tree From Leaf Values||67.3%|Medium||
 |1131|Maximum of Absolute Value Expression||52.1%|Medium||
 |1132|Reported Posts II||34.6%|Medium||
 |1133|Largest Unique Number||67.2%|Easy||
-|1134|Armstrong Number||78.2%|Easy||
-|1135|Connecting Cities With Minimum Cost||59.1%|Medium||
+|1134|Armstrong Number||78.3%|Easy||
+|1135|Connecting Cities With Minimum Cost||59.3%|Medium||
 |1136|Parallel Courses||61.2%|Hard||
-|1137|N-th Tribonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1137.N-th-Tribonacci-Number)|56.1%|Easy||
-|1138|Alphabet Board Path||50.7%|Medium||
+|1137|N-th Tribonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1137.N-th-Tribonacci-Number)|56.0%|Easy||
+|1138|Alphabet Board Path||50.9%|Medium||
 |1139|Largest 1-Bordered Square||48.5%|Medium||
-|1140|Stone Game II||64.7%|Medium||
+|1140|Stone Game II||64.8%|Medium||
 |1141|User Activity for the Past 30 Days I||54.4%|Easy||
-|1142|User Activity for the Past 30 Days II||35.3%|Easy||
+|1142|User Activity for the Past 30 Days II||35.4%|Easy||
 |1143|Longest Common Subsequence||58.6%|Medium||
 |1144|Decrease Elements To Make Array Zigzag||46.1%|Medium||
 |1145|Binary Tree Coloring Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1145.Binary-Tree-Coloring-Game)|51.4%|Medium||
 |1146|Snapshot Array||36.9%|Medium||
-|1147|Longest Chunked Palindrome Decomposition||59.4%|Hard||
+|1147|Longest Chunked Palindrome Decomposition||59.5%|Hard||
 |1148|Article Views I||77.0%|Easy||
-|1149|Article Views II||48.4%|Medium||
-|1150|Check If a Number Is Majority Element in a Sorted Array||57.8%|Easy||
-|1151|Minimum Swaps to Group All 1's Together||58.3%|Medium||
-|1152|Analyze User Website Visit Pattern||43.2%|Medium||
-|1153|String Transforms Into Another String||35.9%|Hard||
+|1149|Article Views II||48.3%|Medium||
+|1150|Check If a Number Is Majority Element in a Sorted Array||57.6%|Easy||
+|1151|Minimum Swaps to Group All 1's Together||58.5%|Medium||
+|1152|Analyze User Website Visit Pattern||43.4%|Medium||
+|1153|String Transforms Into Another String||36.0%|Hard||
 |1154|Day of the Year|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1154.Day-of-the-Year)|49.3%|Easy||
 |1155|Number of Dice Rolls With Target Sum||47.5%|Medium||
-|1156|Swap For Longest Repeated Character Substring||47.4%|Medium||
+|1156|Swap For Longest Repeated Character Substring||47.3%|Medium||
 |1157|Online Majority Element In Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1157.Online-Majority-Element-In-Subarray)|39.6%|Hard||
-|1158|Market Analysis I||63.6%|Medium||
-|1159|Market Analysis II||55.1%|Hard||
-|1160|Find Words That Can Be Formed by Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1160.Find-Words-That-Can-Be-Formed-by-Characters)|67.6%|Easy||
-|1161|Maximum Level Sum of a Binary Tree||69.9%|Medium||
-|1162|As Far from Land as Possible||45.0%|Medium||
+|1158|Market Analysis I||63.9%|Medium||
+|1159|Market Analysis II||55.2%|Hard||
+|1160|Find Words That Can Be Formed by Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1160.Find-Words-That-Can-Be-Formed-by-Characters)|67.9%|Easy||
+|1161|Maximum Level Sum of a Binary Tree||69.8%|Medium||
+|1162|As Far from Land as Possible||45.1%|Medium||
 |1163|Last Substring in Lexicographical Order||36.2%|Hard||
-|1164|Product Price at a Given Date||68.2%|Medium||
+|1164|Product Price at a Given Date||68.4%|Medium||
 |1165|Single-Row Keyboard||84.8%|Easy||
-|1166|Design File System||58.3%|Medium||
-|1167|Minimum Cost to Connect Sticks||64.2%|Medium||
-|1168|Optimize Water Distribution in a Village||61.7%|Hard||
-|1169|Invalid Transactions||31.4%|Medium||
+|1166|Design File System||58.5%|Medium||
+|1167|Minimum Cost to Connect Sticks||64.4%|Medium||
+|1168|Optimize Water Distribution in a Village||61.4%|Hard||
+|1169|Invalid Transactions||31.2%|Medium||
 |1170|Compare Strings by Frequency of the Smallest Character|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character)|59.5%|Medium||
-|1171|Remove Zero Sum Consecutive Nodes from Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List)|41.4%|Medium||
+|1171|Remove Zero Sum Consecutive Nodes from Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List)|41.5%|Medium||
 |1172|Dinner Plate Stacks||37.9%|Hard||
 |1173|Immediate Food Delivery I||82.3%|Easy||
-|1174|Immediate Food Delivery II||61.3%|Medium||
-|1175|Prime Arrangements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1175.Prime-Arrangements)|51.9%|Easy||
+|1174|Immediate Food Delivery II||61.6%|Medium||
+|1175|Prime Arrangements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1175.Prime-Arrangements)|52.0%|Easy||
 |1176|Diet Plan Performance||54.1%|Easy||
 |1177|Can Make Palindrome from Substring||36.1%|Medium||
-|1178|Number of Valid Words for Each Puzzle||38.6%|Hard||
-|1179|Reformat Department Table||82.0%|Easy||
-|1180|Count Substrings with Only One Distinct Letter||77.6%|Easy||
+|1178|Number of Valid Words for Each Puzzle||38.8%|Hard||
+|1179|Reformat Department Table||81.9%|Easy||
+|1180|Count Substrings with Only One Distinct Letter||77.7%|Easy||
 |1181|Before and After Puzzle||44.5%|Medium||
-|1182|Shortest Distance to Target Color||53.3%|Medium||
-|1183|Maximum Number of Ones||57.0%|Hard||
+|1182|Shortest Distance to Target Color||53.4%|Medium||
+|1183|Maximum Number of Ones||57.2%|Hard||
 |1184|Distance Between Bus Stops|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1184.Distance-Between-Bus-Stops)|54.1%|Easy||
-|1185|Day of the Week|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1185.Day-of-the-Week)|61.8%|Easy||
-|1186|Maximum Subarray Sum with One Deletion||38.5%|Medium||
-|1187|Make Array Strictly Increasing||41.7%|Hard||
-|1188|Design Bounded Blocking Queue||72.6%|Medium||
+|1185|Day of the Week|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1185.Day-of-the-Week)|61.7%|Easy||
+|1186|Maximum Subarray Sum with One Deletion||38.6%|Medium||
+|1187|Make Array Strictly Increasing||41.8%|Hard||
+|1188|Design Bounded Blocking Queue||72.7%|Medium||
 |1189|Maximum Number of Balloons|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1189.Maximum-Number-of-Balloons)|61.7%|Easy||
-|1190|Reverse Substrings Between Each Pair of Parentheses||64.1%|Medium||
-|1191|K-Concatenation Maximum Sum||25.4%|Medium||
-|1192|Critical Connections in a Network||49.9%|Hard||
-|1193|Monthly Transactions I||69.2%|Medium||
-|1194|Tournament Winners||51.7%|Hard||
-|1195|Fizz Buzz Multithreaded||70.5%|Medium||
+|1190|Reverse Substrings Between Each Pair of Parentheses||64.0%|Medium||
+|1191|K-Concatenation Maximum Sum||25.3%|Medium||
+|1192|Critical Connections in a Network||50.0%|Hard||
+|1193|Monthly Transactions I||69.3%|Medium||
+|1194|Tournament Winners||51.9%|Hard||
+|1195|Fizz Buzz Multithreaded||70.6%|Medium||
 |1196|How Many Apples Can You Put into the Basket||68.1%|Easy||
 |1197|Minimum Knight Moves||37.1%|Medium||
-|1198|Find Smallest Common Element in All Rows||75.3%|Medium||
-|1199|Minimum Time to Build Blocks||38.5%|Hard||
-|1200|Minimum Absolute Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1200.Minimum-Absolute-Difference)|66.8%|Easy||
+|1198|Find Smallest Common Element in All Rows||75.2%|Medium||
+|1199|Minimum Time to Build Blocks||38.6%|Hard||
+|1200|Minimum Absolute Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1200.Minimum-Absolute-Difference)|66.9%|Easy||
 |1201|Ugly Number III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1201.Ugly-Number-III)|26.4%|Medium||
-|1202|Smallest String With Swaps|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1202.Smallest-String-With-Swaps)|48.5%|Medium||
-|1203|Sort Items by Groups Respecting Dependencies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1203.Sort-Items-by-Groups-Respecting-Dependencies)|49.1%|Hard||
+|1202|Smallest String With Swaps|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1202.Smallest-String-With-Swaps)|48.6%|Medium||
+|1203|Sort Items by Groups Respecting Dependencies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1203.Sort-Items-by-Groups-Respecting-Dependencies)|48.9%|Hard||
 |1204|Last Person to Fit in the Elevator||71.5%|Medium||
-|1205|Monthly Transactions II||45.9%|Medium||
-|1206|Design Skiplist||58.9%|Hard||
-|1207|Unique Number of Occurrences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1207.Unique-Number-of-Occurrences)|71.6%|Easy||
-|1208|Get Equal Substrings Within Budget|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1208.Get-Equal-Substrings-Within-Budget)|43.7%|Medium||
-|1209|Remove All Adjacent Duplicates in String II||57.3%|Medium||
-|1210|Minimum Moves to Reach Target with Rotations||46.2%|Hard||
-|1211|Queries Quality and Percentage||69.7%|Easy||
+|1205|Monthly Transactions II||45.8%|Medium||
+|1206|Design Skiplist||59.0%|Hard||
+|1207|Unique Number of Occurrences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1207.Unique-Number-of-Occurrences)|71.7%|Easy||
+|1208|Get Equal Substrings Within Budget|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1208.Get-Equal-Substrings-Within-Budget)|43.8%|Medium||
+|1209|Remove All Adjacent Duplicates in String II||57.5%|Medium||
+|1210|Minimum Moves to Reach Target with Rotations||46.3%|Hard||
+|1211|Queries Quality and Percentage||69.9%|Easy||
 |1212|Team Scores in Football Tournament||56.7%|Medium||
 |1213|Intersection of Three Sorted Arrays||79.3%|Easy||
-|1214|Two Sum BSTs||67.8%|Medium||
-|1215|Stepping Numbers||43.1%|Medium||
-|1216|Valid Palindrome III||49.5%|Hard||
+|1214|Two Sum BSTs||67.7%|Medium||
+|1215|Stepping Numbers||43.3%|Medium||
+|1216|Valid Palindrome III||49.7%|Hard||
 |1217|Minimum Cost to Move Chips to The Same Position|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position)|71.2%|Easy||
 |1218|Longest Arithmetic Subsequence of Given Difference||46.5%|Medium||
-|1219|Path with Maximum Gold||65.6%|Medium||
-|1220|Count Vowels Permutation||54.3%|Hard||
+|1219|Path with Maximum Gold||65.7%|Medium||
+|1220|Count Vowels Permutation||54.2%|Hard||
 |1221|Split a String in Balanced Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1221.Split-a-String-in-Balanced-Strings)|84.1%|Easy||
-|1222|Queens That Can Attack the King||69.4%|Medium||
-|1223|Dice Roll Simulation||46.7%|Hard||
-|1224|Maximum Equal Frequency||34.5%|Hard||
+|1222|Queens That Can Attack the King||69.5%|Medium||
+|1223|Dice Roll Simulation||46.6%|Hard||
+|1224|Maximum Equal Frequency||34.4%|Hard||
 |1225|Report Contiguous Dates||62.6%|Hard||
-|1226|The Dining Philosophers||59.8%|Medium||
-|1227|Airplane Seat Assignment Probability||62.0%|Medium||
-|1228|Missing Number In Arithmetic Progression||51.6%|Easy||
-|1229|Meeting Scheduler||54.3%|Medium||
-|1230|Toss Strange Coins||49.8%|Medium||
-|1231|Divide Chocolate||53.3%|Hard||
-|1232|Check If It Is a Straight Line|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1232.Check-If-It-Is-a-Straight-Line)|43.8%|Easy||
-|1233|Remove Sub-Folders from the Filesystem||61.7%|Medium||
-|1234|Replace the Substring for Balanced String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1234.Replace-the-Substring-for-Balanced-String)|34.4%|Medium||
-|1235|Maximum Profit in Job Scheduling|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1235.Maximum-Profit-in-Job-Scheduling)|47.0%|Hard||
-|1236|Web Crawler||64.6%|Medium||
+|1226|The Dining Philosophers||59.7%|Medium||
+|1227|Airplane Seat Assignment Probability||62.1%|Medium||
+|1228|Missing Number In Arithmetic Progression||51.5%|Easy||
+|1229|Meeting Scheduler||54.4%|Medium||
+|1230|Toss Strange Coins||49.9%|Medium||
+|1231|Divide Chocolate||53.5%|Hard||
+|1232|Check If It Is a Straight Line|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1232.Check-If-It-Is-a-Straight-Line)|43.7%|Easy||
+|1233|Remove Sub-Folders from the Filesystem||61.9%|Medium||
+|1234|Replace the Substring for Balanced String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1234.Replace-the-Substring-for-Balanced-String)|34.3%|Medium||
+|1235|Maximum Profit in Job Scheduling|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1235.Maximum-Profit-in-Job-Scheduling)|47.3%|Hard||
+|1236|Web Crawler||64.7%|Medium||
 |1237|Find Positive Integer Solution for a Given Equation||69.6%|Medium||
-|1238|Circular Permutation in Binary Representation||65.9%|Medium||
-|1239|Maximum Length of a Concatenated String with Unique Characters||49.4%|Medium||
-|1240|Tiling a Rectangle with the Fewest Squares||52.3%|Hard||
-|1241|Number of Comments per Post||67.6%|Easy||
-|1242|Web Crawler Multithreaded||47.9%|Medium||
+|1238|Circular Permutation in Binary Representation||66.1%|Medium||
+|1239|Maximum Length of a Concatenated String with Unique Characters||49.5%|Medium||
+|1240|Tiling a Rectangle with the Fewest Squares||52.4%|Hard||
+|1241|Number of Comments per Post||67.8%|Easy||
+|1242|Web Crawler Multithreaded||47.7%|Medium||
 |1243|Array Transformation||50.2%|Easy||
 |1244|Design A Leaderboard||65.7%|Medium||
-|1245|Tree Diameter||61.2%|Medium||
+|1245|Tree Diameter||61.3%|Medium||
 |1246|Palindrome Removal||45.8%|Hard||
-|1247|Minimum Swaps to Make Strings Equal||62.3%|Medium||
+|1247|Minimum Swaps to Make Strings Equal||62.4%|Medium||
 |1248|Count Number of Nice Subarrays||56.2%|Medium||
-|1249|Minimum Remove to Make Valid Parentheses||63.6%|Medium||
-|1250|Check If It Is a Good Array||56.3%|Hard||
-|1251|Average Selling Price||82.5%|Easy||
+|1249|Minimum Remove to Make Valid Parentheses||63.7%|Medium||
+|1250|Check If It Is a Good Array||56.2%|Hard||
+|1251|Average Selling Price||82.4%|Easy||
 |1252|Cells with Odd Values in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1252.Cells-with-Odd-Values-in-a-Matrix)|78.8%|Easy||
-|1253|Reconstruct a 2-Row Binary Matrix||41.4%|Medium||
+|1253|Reconstruct a 2-Row Binary Matrix||41.5%|Medium||
 |1254|Number of Closed Islands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1254.Number-of-Closed-Islands)|61.5%|Medium||
-|1255|Maximum Score Words Formed by Letters||69.7%|Hard||
-|1256|Encode Number||67.5%|Medium||
-|1257|Smallest Common Region||60.5%|Medium||
-|1258|Synonymous Sentences||64.4%|Medium||
-|1259|Handshakes That Don't Cross||54.1%|Hard||
+|1255|Maximum Score Words Formed by Letters||69.8%|Hard||
+|1256|Encode Number||67.6%|Medium||
+|1257|Smallest Common Region||60.7%|Medium||
+|1258|Synonymous Sentences||64.0%|Medium||
+|1259|Handshakes That Don't Cross||54.2%|Hard||
 |1260|Shift 2D Grid|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1260.Shift-2D-Grid)|61.8%|Easy||
-|1261|Find Elements in a Contaminated Binary Tree||74.5%|Medium||
-|1262|Greatest Sum Divisible by Three||49.3%|Medium||
-|1263|Minimum Moves to Move a Box to Their Target Location||43.1%|Hard||
-|1264|Page Recommendations||69.1%|Medium||
+|1261|Find Elements in a Contaminated Binary Tree||74.6%|Medium||
+|1262|Greatest Sum Divisible by Three||49.5%|Medium||
+|1263|Minimum Moves to Move a Box to Their Target Location||43.2%|Hard||
+|1264|Page Recommendations||69.2%|Medium||
 |1265|Print Immutable Linked List in Reverse||94.4%|Medium||
-|1266|Minimum Time Visiting All Points|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1266.Minimum-Time-Visiting-All-Points)|79.4%|Easy||
+|1266|Minimum Time Visiting All Points|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1266.Minimum-Time-Visiting-All-Points)|79.5%|Easy||
 |1267|Count Servers that Communicate||57.8%|Medium||
-|1268|Search Suggestions System||64.5%|Medium||
+|1268|Search Suggestions System||64.6%|Medium||
 |1269|Number of Ways to Stay in the Same Place After Some Steps||43.3%|Hard||
 |1270|All People Report to the Given Manager||88.2%|Medium||
 |1271|Hexspeak||55.4%|Easy||
 |1272|Remove Interval||57.9%|Medium||
 |1273|Delete Tree Nodes||62.4%|Medium||
-|1274|Number of Ships in a Rectangle||66.3%|Hard||
-|1275|Find Winner on a Tic Tac Toe Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1275.Find-Winner-on-a-Tic-Tac-Toe-Game)|53.0%|Easy||
+|1274|Number of Ships in a Rectangle||66.2%|Hard||
+|1275|Find Winner on a Tic Tac Toe Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1275.Find-Winner-on-a-Tic-Tac-Toe-Game)|52.9%|Easy||
 |1276|Number of Burgers with No Waste of Ingredients||50.0%|Medium||
 |1277|Count Square Submatrices with All Ones||72.9%|Medium||
-|1278|Palindrome Partitioning III||60.7%|Hard||
-|1279|Traffic Light Controlled Intersection||75.7%|Easy||
-|1280|Students and Examinations||74.3%|Easy||
+|1278|Palindrome Partitioning III||60.9%|Hard||
+|1279|Traffic Light Controlled Intersection||75.6%|Easy||
+|1280|Students and Examinations||74.6%|Easy||
 |1281|Subtract the Product and Sum of Digits of an Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer)|85.6%|Easy||
 |1282|Group the People Given the Group Size They Belong To||84.3%|Medium||
-|1283|Find the Smallest Divisor Given a Threshold|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1283.Find-the-Smallest-Divisor-Given-a-Threshold)|49.3%|Medium||
-|1284|Minimum Number of Flips to Convert Binary Matrix to Zero Matrix||70.2%|Hard||
-|1285|Find the Start and End Number of Continuous Ranges||87.0%|Medium||
+|1283|Find the Smallest Divisor Given a Threshold|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1283.Find-the-Smallest-Divisor-Given-a-Threshold)|49.4%|Medium||
+|1284|Minimum Number of Flips to Convert Binary Matrix to Zero Matrix||70.3%|Hard||
+|1285|Find the Start and End Number of Continuous Ranges||87.2%|Medium||
 |1286|Iterator for Combination||70.9%|Medium||
 |1287|Element Appearing More Than 25% In Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1287.Element-Appearing-More-Than-25%-In-Sorted-Array)|60.2%|Easy||
 |1288|Remove Covered Intervals||57.2%|Medium||
@@ -1431,452 +1431,468 @@
 |1291|Sequential Digits||57.4%|Medium||
 |1292|Maximum Side Length of a Square with Sum Less than or Equal to Threshold||50.5%|Medium||
 |1293|Shortest Path in a Grid with Obstacles Elimination||42.9%|Hard||
-|1294|Weather Type in Each Country||66.3%|Easy||
-|1295|Find Numbers with Even Number of Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1295.Find-Numbers-with-Even-Number-of-Digits)|79.3%|Easy||
-|1296|Divide Array in Sets of K Consecutive Numbers||55.3%|Medium||
-|1297|Maximum Number of Occurrences of a Substring||49.4%|Medium||
+|1294|Weather Type in Each Country||66.7%|Easy||
+|1295|Find Numbers with Even Number of Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1295.Find-Numbers-with-Even-Number-of-Digits)|79.2%|Easy||
+|1296|Divide Array in Sets of K Consecutive Numbers||55.4%|Medium||
+|1297|Maximum Number of Occurrences of a Substring||49.7%|Medium||
 |1298|Maximum Candies You Can Get from Boxes||59.7%|Hard||
-|1299|Replace Elements with Greatest Element on Right Side|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1299.Replace-Elements-with-Greatest-Element-on-Right-Side)|74.4%|Easy||
-|1300|Sum of Mutated Array Closest to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1300.Sum-of-Mutated-Array-Closest-to-Target)|43.2%|Medium||
+|1299|Replace Elements with Greatest Element on Right Side|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1299.Replace-Elements-with-Greatest-Element-on-Right-Side)|74.5%|Easy||
+|1300|Sum of Mutated Array Closest to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1300.Sum-of-Mutated-Array-Closest-to-Target)|43.1%|Medium||
 |1301|Number of Paths with Max Score||38.1%|Hard||
-|1302|Deepest Leaves Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1302.Deepest-Leaves-Sum)|84.1%|Medium||
-|1303|Find the Team Size||89.5%|Easy||
-|1304|Find N Unique Integers Sum up to Zero|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1304.Find-N-Unique-Integers-Sum-up-to-Zero)|76.8%|Easy||
+|1302|Deepest Leaves Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1302.Deepest-Leaves-Sum)|84.2%|Medium||
+|1303|Find the Team Size||89.6%|Easy||
+|1304|Find N Unique Integers Sum up to Zero|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1304.Find-N-Unique-Integers-Sum-up-to-Zero)|76.9%|Easy||
 |1305|All Elements in Two Binary Search Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1305.All-Elements-in-Two-Binary-Search-Trees)|77.8%|Medium||
 |1306|Jump Game III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1306.Jump-Game-III)|62.6%|Medium||
-|1307|Verbal Arithmetic Puzzle||37.0%|Hard||
-|1308|Running Total for Different Genders||87.2%|Medium||
-|1309|Decrypt String from Alphabet to Integer Mapping||77.2%|Easy||
+|1307|Verbal Arithmetic Puzzle||36.9%|Hard||
+|1308|Running Total for Different Genders||87.4%|Medium||
+|1309|Decrypt String from Alphabet to Integer Mapping||77.3%|Easy||
 |1310|XOR Queries of a Subarray||69.2%|Medium||
-|1311|Get Watched Videos by Your Friends||44.1%|Medium||
-|1312|Minimum Insertion Steps to Make a String Palindrome||59.4%|Hard||
+|1311|Get Watched Videos by Your Friends||44.2%|Medium||
+|1312|Minimum Insertion Steps to Make a String Palindrome||59.5%|Hard||
 |1313|Decompress Run-Length Encoded List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1313.Decompress-Run-Length-Encoded-List)|85.4%|Easy||
-|1314|Matrix Block Sum||73.7%|Medium||
+|1314|Matrix Block Sum||73.6%|Medium||
 |1315|Sum of Nodes with Even-Valued Grandparent||84.2%|Medium||
-|1316|Distinct Echo Substrings||49.7%|Hard||
+|1316|Distinct Echo Substrings||49.6%|Hard||
 |1317|Convert Integer to the Sum of Two No-Zero Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers)|56.8%|Easy||
-|1318|Minimum Flips to Make a OR b Equal to c||63.8%|Medium||
-|1319|Number of Operations to Make Network Connected|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1319.Number-of-Operations-to-Make-Network-Connected)|55.1%|Medium||
-|1320|Minimum Distance to Type a Word Using Two Fingers||62.8%|Hard||
-|1321|Restaurant Growth||70.8%|Medium||
-|1322|Ads Performance||57.7%|Easy||
-|1323|Maximum 69 Number||78.0%|Easy||
-|1324|Print Words Vertically||58.7%|Medium||
-|1325|Delete Leaves With a Given Value||73.6%|Medium||
-|1326|Minimum Number of Taps to Open to Water a Garden||46.3%|Hard||
+|1318|Minimum Flips to Make a OR b Equal to c||63.9%|Medium||
+|1319|Number of Operations to Make Network Connected|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1319.Number-of-Operations-to-Make-Network-Connected)|55.2%|Medium||
+|1320|Minimum Distance to Type a Word Using Two Fingers||62.1%|Hard||
+|1321|Restaurant Growth||70.9%|Medium||
+|1322|Ads Performance||58.0%|Easy||
+|1323|Maximum 69 Number||77.9%|Easy||
+|1324|Print Words Vertically||58.8%|Medium||
+|1325|Delete Leaves With a Given Value||73.7%|Medium||
+|1326|Minimum Number of Taps to Open to Water a Garden||46.4%|Hard||
 |1327|List the Products Ordered in a Period||77.4%|Easy||
-|1328|Break a Palindrome||45.8%|Medium||
+|1328|Break a Palindrome||46.0%|Medium||
 |1329|Sort the Matrix Diagonally|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1329.Sort-the-Matrix-Diagonally)|81.8%|Medium||
-|1330|Reverse Subarray To Maximize Array Value||36.6%|Hard||
+|1330|Reverse Subarray To Maximize Array Value||36.5%|Hard||
 |1331|Rank Transform of an Array||57.6%|Easy||
-|1332|Remove Palindromic Subsequences||62.8%|Easy||
-|1333|Filter Restaurants by Vegan-Friendly, Price and Distance||57.0%|Medium||
-|1334|Find the City With the Smallest Number of Neighbors at a Threshold Distance||46.6%|Medium||
-|1335|Minimum Difficulty of a Job Schedule||57.1%|Hard||
-|1336|Number of Transactions per Visit||47.5%|Hard||
-|1337|The K Weakest Rows in a Matrix||69.9%|Easy||
+|1332|Remove Palindromic Subsequences||62.7%|Easy||
+|1333|Filter Restaurants by Vegan-Friendly, Price and Distance||57.1%|Medium||
+|1334|Find the City With the Smallest Number of Neighbors at a Threshold Distance||46.7%|Medium||
+|1335|Minimum Difficulty of a Job Schedule||57.0%|Hard||
+|1336|Number of Transactions per Visit||47.8%|Hard||
+|1337|The K Weakest Rows in a Matrix||70.4%|Easy||
 |1338|Reduce Array Size to The Half||66.8%|Medium||
-|1339|Maximum Product of Splitted Binary Tree||38.2%|Medium||
-|1340|Jump Game V||59.0%|Hard||
+|1339|Maximum Product of Splitted Binary Tree||38.3%|Medium||
+|1340|Jump Game V||59.1%|Hard||
 |1341|Movie Rating||58.5%|Medium||
-|1342|Number of Steps to Reduce a Number to Zero||85.7%|Easy||
-|1343|Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold||64.6%|Medium||
-|1344|Angle Between Hands of a Clock||61.2%|Medium||
+|1342|Number of Steps to Reduce a Number to Zero||85.6%|Easy||
+|1343|Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold||64.7%|Medium||
+|1344|Angle Between Hands of a Clock||61.3%|Medium||
 |1345|Jump Game IV||41.9%|Hard||
 |1346|Check If N and Its Double Exist||36.4%|Easy||
-|1347|Minimum Number of Steps to Make Two Strings Anagram||75.3%|Medium||
-|1348|Tweet Counts Per Frequency||34.5%|Medium||
-|1349|Maximum Students Taking Exam||44.1%|Hard||
-|1350|Students With Invalid Departments||90.7%|Easy||
+|1347|Minimum Number of Steps to Make Two Strings Anagram||75.2%|Medium||
+|1348|Tweet Counts Per Frequency||35.2%|Medium||
+|1349|Maximum Students Taking Exam||44.2%|Hard||
+|1350|Students With Invalid Departments||90.4%|Easy||
 |1351|Count Negative Numbers in a Sorted Matrix||76.0%|Easy||
-|1352|Product of the Last K Numbers||44.0%|Medium||
-|1353|Maximum Number of Events That Can Be Attended||30.1%|Medium||
+|1352|Product of the Last K Numbers||44.2%|Medium||
+|1353|Maximum Number of Events That Can Be Attended||30.4%|Medium||
 |1354|Construct Target Array With Multiple Sums||31.3%|Hard||
-|1355|Activity Participants||74.2%|Medium||
-|1356|Sort Integers by The Number of 1 Bits||69.6%|Easy||
-|1357|Apply Discount Every n Orders||66.6%|Medium||
-|1358|Number of Substrings Containing All Three Characters||60.4%|Medium||
-|1359|Count All Valid Pickup and Delivery Options||56.7%|Hard||
+|1355|Activity Participants||74.4%|Medium||
+|1356|Sort Integers by The Number of 1 Bits||69.7%|Easy||
+|1357|Apply Discount Every n Orders||66.7%|Medium||
+|1358|Number of Substrings Containing All Three Characters||60.5%|Medium||
+|1359|Count All Valid Pickup and Delivery Options||56.6%|Hard||
 |1360|Number of Days Between Two Dates||46.9%|Easy||
-|1361|Validate Binary Tree Nodes||44.2%|Medium||
-|1362|Closest Divisors||57.6%|Medium||
-|1363|Largest Multiple of Three||34.0%|Hard||
-|1364|Number of Trusted Contacts of a Customer||78.2%|Medium||
+|1361|Validate Binary Tree Nodes||44.0%|Medium||
+|1362|Closest Divisors||57.7%|Medium||
+|1363|Largest Multiple of Three||34.1%|Hard||
+|1364|Number of Trusted Contacts of a Customer||78.5%|Medium||
 |1365|How Many Numbers Are Smaller Than the Current Number||86.0%|Easy||
-|1366|Rank Teams by Votes||55.0%|Medium||
+|1366|Rank Teams by Votes||55.1%|Medium||
 |1367|Linked List in Binary Tree||41.1%|Medium||
 |1368|Minimum Cost to Make at Least One Valid Path in a Grid||57.0%|Hard||
-|1369|Get the Second Most Recent Activity||68.6%|Hard||
-|1370|Increasing Decreasing String||76.5%|Easy||
-|1371|Find the Longest Substring Containing Vowels in Even Counts||61.1%|Medium||
-|1372|Longest ZigZag Path in a Binary Tree||54.6%|Medium||
-|1373|Maximum Sum BST in Binary Tree||37.5%|Hard||
+|1369|Get the Second Most Recent Activity||68.7%|Hard||
+|1370|Increasing Decreasing String||76.6%|Easy||
+|1371|Find the Longest Substring Containing Vowels in Even Counts||61.0%|Medium||
+|1372|Longest ZigZag Path in a Binary Tree||54.8%|Medium||
+|1373|Maximum Sum BST in Binary Tree||37.4%|Hard||
 |1374|Generate a String With Characters That Have Odd Counts||76.2%|Easy||
-|1375|Bulb Switcher III||64.1%|Medium||
-|1376|Time Needed to Inform All Employees||56.3%|Medium||
-|1377|Frog Position After T Seconds||34.9%|Hard||
-|1378|Replace Employee ID With The Unique Identifier||89.9%|Easy||
-|1379|Find a Corresponding Node of a Binary Tree in a Clone of That Tree||84.9%|Medium||
+|1375|Bulb Switcher III||64.2%|Medium||
+|1376|Time Needed to Inform All Employees||56.4%|Medium||
+|1377|Frog Position After T Seconds||35.2%|Hard||
+|1378|Replace Employee ID With The Unique Identifier||90.0%|Easy||
+|1379|Find a Corresponding Node of a Binary Tree in a Clone of That Tree||84.7%|Medium||
 |1380|Lucky Numbers in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1380.Lucky-Numbers-in-a-Matrix)|70.8%|Easy||
-|1381|Design a Stack With Increment Operation||75.8%|Medium||
+|1381|Design a Stack With Increment Operation||76.1%|Medium||
 |1382|Balance a Binary Search Tree||76.2%|Medium||
-|1383|Maximum Performance of a Team||35.3%|Hard||
-|1384|Total Sales Amount by Year||64.5%|Hard||
+|1383|Maximum Performance of a Team||35.5%|Hard||
+|1384|Total Sales Amount by Year||64.6%|Hard||
 |1385|Find the Distance Value Between Two Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1385.Find-the-Distance-Value-Between-Two-Arrays)|66.4%|Easy||
 |1386|Cinema Seat Allocation||35.6%|Medium||
-|1387|Sort Integers by The Power Value||70.5%|Medium||
-|1388|Pizza With 3n Slices||45.5%|Hard||
+|1387|Sort Integers by The Power Value||70.4%|Medium||
+|1388|Pizza With 3n Slices||45.6%|Hard||
 |1389|Create Target Array in the Given Order|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1389.Create-Target-Array-in-the-Given-Order)|84.8%|Easy||
-|1390|Four Divisors||39.0%|Medium||
-|1391|Check if There is a Valid Path in a Grid||45.0%|Medium||
-|1392|Longest Happy Prefix||41.3%|Hard||
-|1393|Capital Gain/Loss||90.5%|Medium||
-|1394|Find Lucky Integer in an Array||63.3%|Easy||
-|1395|Count Number of Teams||80.2%|Medium||
-|1396|Design Underground System||69.1%|Medium||
-|1397|Find All Good Strings||38.2%|Hard||
+|1390|Four Divisors||39.1%|Medium||
+|1391|Check if There is a Valid Path in a Grid||44.9%|Medium||
+|1392|Longest Happy Prefix||41.8%|Hard||
+|1393|Capital Gain/Loss||90.6%|Medium||
+|1394|Find Lucky Integer in an Array||63.2%|Easy||
+|1395|Count Number of Teams||79.1%|Medium||
+|1396|Design Underground System||69.5%|Medium||
+|1397|Find All Good Strings||38.3%|Hard||
 |1398|Customers Who Bought Products A and B but Not C||82.0%|Medium||
-|1399|Count Largest Group||65.4%|Easy||
+|1399|Count Largest Group||65.3%|Easy||
 |1400|Construct K Palindrome Strings||62.7%|Medium||
 |1401|Circle and Rectangle Overlapping||42.4%|Medium||
 |1402|Reducing Dishes||72.2%|Hard||
 |1403|Minimum Subsequence in Non-Increasing Order||71.1%|Easy||
 |1404|Number of Steps to Reduce a Number in Binary Representation to One||49.9%|Medium||
-|1405|Longest Happy String||52.2%|Medium||
-|1406|Stone Game III||57.2%|Hard||
-|1407|Top Travellers||83.6%|Easy||
-|1408|String Matching in an Array||62.8%|Easy||
-|1409|Queries on a Permutation With Key||81.4%|Medium||
+|1405|Longest Happy String||52.3%|Medium||
+|1406|Stone Game III||57.3%|Hard||
+|1407|Top Travellers||83.7%|Easy||
+|1408|String Matching in an Array||62.7%|Easy||
+|1409|Queries on a Permutation With Key||81.5%|Medium||
 |1410|HTML Entity Parser||54.4%|Medium||
 |1411|Number of Ways to Paint N × 3 Grid||60.4%|Hard||
 |1412|Find the Quiet Students in All Exams||65.3%|Hard||
-|1413|Minimum Value to Get Positive Step by Step Sum||65.4%|Easy||
+|1413|Minimum Value to Get Positive Step by Step Sum||65.5%|Easy||
 |1414|Find the Minimum Number of Fibonacci Numbers Whose Sum Is K||63.1%|Medium||
-|1415|The k-th Lexicographical String of All Happy Strings of Length n||69.8%|Medium||
+|1415|The k-th Lexicographical String of All Happy Strings of Length n||69.9%|Medium||
 |1416|Restore The Array||36.3%|Hard||
-|1417|Reformat The String||55.3%|Easy||
-|1418|Display Table of Food Orders in a Restaurant||68.4%|Medium||
+|1417|Reformat The String||55.2%|Easy||
+|1418|Display Table of Food Orders in a Restaurant||68.6%|Medium||
 |1419|Minimum Number of Frogs Croaking||47.3%|Medium||
-|1420|Build Array Where You Can Find The Maximum Exactly K Comparisons||64.2%|Hard||
+|1420|Build Array Where You Can Find The Maximum Exactly K Comparisons||64.3%|Hard||
 |1421|NPV Queries||82.0%|Medium||
 |1422|Maximum Score After Splitting a String||56.0%|Easy||
-|1423|Maximum Points You Can Obtain from Cards||46.4%|Medium||
-|1424|Diagonal Traverse II||45.7%|Medium||
+|1423|Maximum Points You Can Obtain from Cards||46.6%|Medium||
+|1424|Diagonal Traverse II||45.8%|Medium||
 |1425|Constrained Subsequence Sum||45.0%|Hard||
-|1426|Counting Elements||59.0%|Easy||
+|1426|Counting Elements||59.1%|Easy||
 |1427|Perform String Shifts||53.4%|Easy||
-|1428|Leftmost Column with at Least a One||48.8%|Medium||
-|1429|First Unique Number||49.3%|Medium||
+|1428|Leftmost Column with at Least a One||48.9%|Medium||
+|1429|First Unique Number||49.5%|Medium||
 |1430|Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree||45.1%|Medium||
-|1431|Kids With the Greatest Number of Candies||88.5%|Easy||
-|1432|Max Difference You Can Get From Changing an Integer||42.8%|Medium||
-|1433|Check If a String Can Break Another String||66.9%|Medium||
-|1434|Number of Ways to Wear Different Hats to Each Other||39.2%|Hard||
-|1435|Create a Session Bar Chart||77.7%|Easy||
+|1431|Kids With the Greatest Number of Candies||88.4%|Easy||
+|1432|Max Difference You Can Get From Changing an Integer||42.9%|Medium||
+|1433|Check If a String Can Break Another String||67.3%|Medium||
+|1434|Number of Ways to Wear Different Hats to Each Other||39.3%|Hard||
+|1435|Create a Session Bar Chart||77.8%|Easy||
 |1436|Destination City||77.0%|Easy||
-|1437|Check If All 1's Are at Least Length K Places Away|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1437.Check-If-All-1's-Are-at-Least-Length-K-Places-Away)|63.0%|Easy||
-|1438|Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit||44.1%|Medium||
-|1439|Find the Kth Smallest Sum of a Matrix With Sorted Rows||59.9%|Hard||
-|1440|Evaluate Boolean Expression||74.5%|Medium||
-|1441|Build an Array With Stack Operations||69.1%|Easy||
-|1442|Count Triplets That Can Form Two Arrays of Equal XOR||71.1%|Medium||
-|1443|Minimum Time to Collect All Apples in a Tree||54.6%|Medium||
-|1444|Number of Ways of Cutting a Pizza||53.7%|Hard||
-|1445|Apples & Oranges||90.8%|Medium||
+|1437|Check If All 1's Are at Least Length K Places Away|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1437.Check-If-All-1's-Are-at-Least-Length-K-Places-Away)|62.8%|Easy||
+|1438|Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit||44.2%|Medium||
+|1439|Find the Kth Smallest Sum of a Matrix With Sorted Rows||60.1%|Hard||
+|1440|Evaluate Boolean Expression||74.4%|Medium||
+|1441|Build an Array With Stack Operations||69.4%|Easy||
+|1442|Count Triplets That Can Form Two Arrays of Equal XOR||71.3%|Medium||
+|1443|Minimum Time to Collect All Apples in a Tree||54.7%|Medium||
+|1444|Number of Ways of Cutting a Pizza||53.8%|Hard||
+|1445|Apples & Oranges||90.5%|Medium||
 |1446|Consecutive Characters||61.0%|Easy||
 |1447|Simplified Fractions||62.2%|Medium||
-|1448|Count Good Nodes in Binary Tree||70.3%|Medium||
-|1449|Form Largest Integer With Digits That Add up to Target||43.8%|Hard||
-|1450|Number of Students Doing Homework at a Given Time||77.2%|Easy||
-|1451|Rearrange Words in a Sentence||59.2%|Medium||
-|1452|People Whose List of Favorite Companies Is Not a Subset of Another List||54.9%|Medium||
-|1453|Maximum Number of Darts Inside of a Circular Dartboard||35.2%|Hard||
-|1454|Active Users||38.7%|Medium||
-|1455|Check If a Word Occurs As a Prefix of Any Word in a Sentence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence)|64.6%|Easy||
-|1456|Maximum Number of Vowels in a Substring of Given Length||54.4%|Medium||
-|1457|Pseudo-Palindromic Paths in a Binary Tree||71.1%|Medium||
+|1448|Count Good Nodes in Binary Tree||70.5%|Medium||
+|1449|Form Largest Integer With Digits That Add up to Target||43.9%|Hard||
+|1450|Number of Students Doing Homework at a Given Time||77.3%|Easy||
+|1451|Rearrange Words in a Sentence||59.4%|Medium||
+|1452|People Whose List of Favorite Companies Is Not a Subset of Another List||55.0%|Medium||
+|1453|Maximum Number of Darts Inside of a Circular Dartboard||35.3%|Hard||
+|1454|Active Users||38.8%|Medium||
+|1455|Check If a Word Occurs As a Prefix of Any Word in a Sentence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence)|64.5%|Easy||
+|1456|Maximum Number of Vowels in a Substring of Given Length||54.5%|Medium||
+|1457|Pseudo-Palindromic Paths in a Binary Tree||71.0%|Medium||
 |1458|Max Dot Product of Two Subsequences||43.0%|Hard||
 |1459|Rectangles Area||64.6%|Medium||
-|1460|Make Two Arrays Equal by Reversing Sub-arrays||72.3%|Easy||
-|1461|Check If a String Contains All Binary Codes of Size K||47.1%|Medium||
-|1462|Course Schedule IV||44.4%|Medium||
+|1460|Make Two Arrays Equal by Reversing Sub-arrays||72.2%|Easy||
+|1461|Check If a String Contains All Binary Codes of Size K||47.2%|Medium||
+|1462|Course Schedule IV||44.6%|Medium||
 |1463|Cherry Pickup II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1463.Cherry-Pickup-II)|69.4%|Hard||
-|1464|Maximum Product of Two Elements in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1464.Maximum-Product-of-Two-Elements-in-an-Array)|77.1%|Easy||
-|1465|Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts||31.8%|Medium||
-|1466|Reorder Routes to Make All Paths Lead to the City Zero||61.3%|Medium||
+|1464|Maximum Product of Two Elements in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1464.Maximum-Product-of-Two-Elements-in-an-Array)|77.2%|Easy||
+|1465|Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts||32.5%|Medium||
+|1466|Reorder Routes to Make All Paths Lead to the City Zero||61.5%|Medium||
 |1467|Probability of a Two Boxes Having The Same Number of Distinct Balls||61.0%|Hard||
-|1468|Calculate Salaries||81.5%|Medium||
-|1469|Find All The Lonely Nodes||80.6%|Easy||
+|1468|Calculate Salaries||81.7%|Medium||
+|1469|Find All The Lonely Nodes||80.7%|Easy||
 |1470|Shuffle the Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1470.Shuffle-the-Array)|88.4%|Easy||
 |1471|The k Strongest Values in an Array||58.4%|Medium||
-|1472|Design Browser History||70.5%|Medium||
+|1472|Design Browser History||70.9%|Medium||
 |1473|Paint House III||48.7%|Hard||
-|1474|Delete N Nodes After M Nodes of a Linked List||74.4%|Easy||
+|1474|Delete N Nodes After M Nodes of a Linked List||74.5%|Easy||
 |1475|Final Prices With a Special Discount in a Shop||75.1%|Easy||
-|1476|Subrectangle Queries||88.6%|Medium||
-|1477|Find Two Non-overlapping Sub-arrays Each With Target Sum||34.2%|Medium||
-|1478|Allocate Mailboxes||54.1%|Hard||
-|1479|Sales by Day of the Week||83.6%|Hard||
-|1480|Running Sum of 1d Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1480.Running-Sum-of-1d-Array)|89.5%|Easy||
-|1481|Least Number of Unique Integers after K Removals||55.6%|Medium||
-|1482|Minimum Number of Days to Make m Bouquets||49.9%|Medium||
-|1483|Kth Ancestor of a Tree Node||30.4%|Hard||
-|1484|Group Sold Products By The Date||85.9%|Easy||
+|1476|Subrectangle Queries||88.5%|Medium||
+|1477|Find Two Non-overlapping Sub-arrays Each With Target Sum||34.3%|Medium||
+|1478|Allocate Mailboxes||54.0%|Hard||
+|1479|Sales by Day of the Week||83.7%|Hard||
+|1480|Running Sum of 1d Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1480.Running-Sum-of-1d-Array)|89.3%|Easy||
+|1481|Least Number of Unique Integers after K Removals||55.7%|Medium||
+|1482|Minimum Number of Days to Make m Bouquets||50.0%|Medium||
+|1483|Kth Ancestor of a Tree Node||30.5%|Hard||
+|1484|Group Sold Products By The Date||85.7%|Easy||
 |1485|Clone Binary Tree With Random Pointer||79.4%|Medium||
-|1486|XOR Operation in an Array||84.1%|Easy||
-|1487|Making File Names Unique||30.5%|Medium||
-|1488|Avoid Flood in The City||24.7%|Medium||
-|1489|Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree||52.6%|Hard||
-|1490|Clone N-ary Tree||83.5%|Medium||
-|1491|Average Salary Excluding the Minimum and Maximum Salary||68.4%|Easy||
+|1486|XOR Operation in an Array||84.2%|Easy||
+|1487|Making File Names Unique||30.6%|Medium||
+|1488|Avoid Flood in The City||24.6%|Medium||
+|1489|Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree||52.7%|Hard||
+|1490|Clone N-ary Tree||83.4%|Medium||
+|1491|Average Salary Excluding the Minimum and Maximum Salary||68.7%|Easy||
 |1492|The kth Factor of n||63.4%|Medium||
-|1493|Longest Subarray of 1's After Deleting One Element||58.1%|Medium||
-|1494|Parallel Courses II||31.5%|Hard||
-|1495|Friendly Movies Streamed Last Month||51.4%|Easy||
-|1496|Path Crossing||55.4%|Easy||
+|1493|Longest Subarray of 1's After Deleting One Element||58.0%|Medium||
+|1494|Parallel Courses II||31.4%|Hard||
+|1495|Friendly Movies Streamed Last Month||51.2%|Easy||
+|1496|Path Crossing||55.3%|Easy||
 |1497|Check If Array Pairs Are Divisible by k||40.5%|Medium||
 |1498|Number of Subsequences That Satisfy the Given Sum Condition||38.3%|Medium||
 |1499|Max Value of Equation||45.3%|Hard||
-|1500|Design a File Sharing System||45.9%|Medium||
-|1501|Countries You Can Safely Invest In||60.2%|Medium||
-|1502|Can Make Arithmetic Progression From Sequence||70.8%|Easy||
+|1500|Design a File Sharing System||46.6%|Medium||
+|1501|Countries You Can Safely Invest In||60.3%|Medium||
+|1502|Can Make Arithmetic Progression From Sequence||71.2%|Easy||
 |1503|Last Moment Before All Ants Fall Out of a Plank||53.1%|Medium||
-|1504|Count Submatrices With All Ones||60.9%|Medium||
-|1505|Minimum Possible Integer After at Most K Adjacent Swaps On Digits||36.2%|Hard||
+|1504|Count Submatrices With All Ones||61.0%|Medium||
+|1505|Minimum Possible Integer After at Most K Adjacent Swaps On Digits||36.3%|Hard||
 |1506|Find Root of N-Ary Tree||80.5%|Medium||
 |1507|Reformat Date||60.2%|Easy||
-|1508|Range Sum of Sorted Subarray Sums||61.7%|Medium||
-|1509|Minimum Difference Between Largest and Smallest Value in Three Moves||51.8%|Medium||
+|1508|Range Sum of Sorted Subarray Sums||61.4%|Medium||
+|1509|Minimum Difference Between Largest and Smallest Value in Three Moves||51.9%|Medium||
 |1510|Stone Game IV||58.8%|Hard||
-|1511|Customer Order Frequency||73.3%|Easy||
+|1511|Customer Order Frequency||73.4%|Easy||
 |1512|Number of Good Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1512.Number-of-Good-Pairs)|87.8%|Easy||
 |1513|Number of Substrings With Only 1s||41.5%|Medium||
-|1514|Path with Maximum Probability||39.6%|Medium||
-|1515|Best Position for a Service Centre||37.0%|Hard||
-|1516|Move Sub-Tree of N-Ary Tree||62.9%|Hard||
+|1514|Path with Maximum Probability||39.8%|Medium||
+|1515|Best Position for a Service Centre||37.1%|Hard||
+|1516|Move Sub-Tree of N-Ary Tree||63.1%|Hard||
 |1517|Find Users With Valid E-Mails||71.9%|Easy||
 |1518|Water Bottles||60.7%|Easy||
-|1519|Number of Nodes in the Sub-Tree With the Same Label||36.9%|Medium||
-|1520|Maximum Number of Non-Overlapping Substrings||36.0%|Hard||
-|1521|Find a Value of a Mysterious Function Closest to Target||44.4%|Hard||
-|1522|Diameter of N-Ary Tree||69.0%|Medium||
-|1523|Count Odd Numbers in an Interval Range||54.8%|Easy||
-|1524|Number of Sub-arrays With Odd Sum||39.6%|Medium||
-|1525|Number of Good Ways to Split a String||66.4%|Medium||
-|1526|Minimum Number of Increments on Subarrays to Form a Target Array||59.9%|Hard||
-|1527|Patients With a Condition||73.1%|Easy||
+|1519|Number of Nodes in the Sub-Tree With the Same Label||37.0%|Medium||
+|1520|Maximum Number of Non-Overlapping Substrings||36.2%|Hard||
+|1521|Find a Value of a Mysterious Function Closest to Target||44.3%|Hard||
+|1522|Diameter of N-Ary Tree||69.3%|Medium||
+|1523|Count Odd Numbers in an Interval Range||54.7%|Easy||
+|1524|Number of Sub-arrays With Odd Sum||39.8%|Medium||
+|1525|Number of Good Ways to Split a String||66.5%|Medium||
+|1526|Minimum Number of Increments on Subarrays to Form a Target Array||60.0%|Hard||
+|1527|Patients With a Condition||70.1%|Easy||
 |1528|Shuffle String||85.8%|Easy||
 |1529|Bulb Switcher IV||70.9%|Medium||
-|1530|Number of Good Leaf Nodes Pairs||55.9%|Medium||
-|1531|String Compression II||33.4%|Hard||
-|1532|The Most Recent Three Orders||72.8%|Medium||
-|1533|Find the Index of the Large Integer||54.9%|Medium||
-|1534|Count Good Triplets||80.3%|Easy||
-|1535|Find the Winner of an Array Game||47.3%|Medium||
-|1536|Minimum Swaps to Arrange a Binary Grid||43.2%|Medium||
+|1530|Number of Good Leaf Nodes Pairs||56.1%|Medium||
+|1531|String Compression II||33.8%|Hard||
+|1532|The Most Recent Three Orders||72.7%|Medium||
+|1533|Find the Index of the Large Integer||54.8%|Medium||
+|1534|Count Good Triplets||80.4%|Easy||
+|1535|Find the Winner of an Array Game||47.4%|Medium||
+|1536|Minimum Swaps to Arrange a Binary Grid||43.3%|Medium||
 |1537|Get the Maximum Score||36.4%|Hard||
-|1538|Guess the Majority in a Hidden Array||61.7%|Medium||
-|1539|Kth Missing Positive Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1539.Kth-Missing-Positive-Number)|55.2%|Easy||
-|1540|Can Convert String in K Moves||30.6%|Medium||
-|1541|Minimum Insertions to Balance a Parentheses String||42.5%|Medium||
-|1542|Find Longest Awesome Substring||36.4%|Hard||
-|1543|Fix Product Name Format||67.9%|Easy||
-|1544|Make The String Great||55.2%|Easy||
-|1545|Find Kth Bit in Nth Binary String||57.4%|Medium||
+|1538|Guess the Majority in a Hidden Array||61.6%|Medium||
+|1539|Kth Missing Positive Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1539.Kth-Missing-Positive-Number)|55.1%|Easy||
+|1540|Can Convert String in K Moves||30.7%|Medium||
+|1541|Minimum Insertions to Balance a Parentheses String||42.7%|Medium||
+|1542|Find Longest Awesome Substring||36.6%|Hard||
+|1543|Fix Product Name Format||67.5%|Easy||
+|1544|Make The String Great||55.3%|Easy||
+|1545|Find Kth Bit in Nth Binary String||57.5%|Medium||
 |1546|Maximum Number of Non-Overlapping Subarrays With Sum Equals Target||43.8%|Medium||
-|1547|Minimum Cost to Cut a Stick||52.2%|Hard||
+|1547|Minimum Cost to Cut a Stick||52.4%|Hard||
 |1548|The Most Similar Path in a Graph||54.1%|Hard||
-|1549|The Most Recent Orders for Each Product||66.4%|Medium||
-|1550|Three Consecutive Odds||65.1%|Easy||
-|1551|Minimum Operations to Make Array Equal||77.8%|Medium||
-|1552|Magnetic Force Between Two Balls||48.7%|Medium||
-|1553|Minimum Number of Days to Eat N Oranges||29.3%|Hard||
-|1554|Strings Differ by One Character||63.7%|Medium||
-|1555|Bank Account Summary||52.7%|Medium||
-|1556|Thousand Separator||58.0%|Easy||
-|1557|Minimum Number of Vertices to Reach All Nodes||75.4%|Medium||
-|1558|Minimum Numbers of Function Calls to Make Target Array||62.5%|Medium||
-|1559|Detect Cycles in 2D Grid||44.7%|Hard||
-|1560|Most Visited Sector in  a Circular Track||57.0%|Easy||
-|1561|Maximum Number of Coins You Can Get||77.9%|Medium||
-|1562|Find Latest Group of Size M||39.5%|Medium||
+|1549|The Most Recent Orders for Each Product||66.5%|Medium||
+|1550|Three Consecutive Odds||64.9%|Easy||
+|1551|Minimum Operations to Make Array Equal||77.9%|Medium||
+|1552|Magnetic Force Between Two Balls||48.8%|Medium||
+|1553|Minimum Number of Days to Eat N Oranges||29.5%|Hard||
+|1554|Strings Differ by One Character||63.4%|Medium||
+|1555|Bank Account Summary||52.8%|Medium||
+|1556|Thousand Separator||57.9%|Easy||
+|1557|Minimum Number of Vertices to Reach All Nodes||75.5%|Medium||
+|1558|Minimum Numbers of Function Calls to Make Target Array||62.6%|Medium||
+|1559|Detect Cycles in 2D Grid||44.4%|Hard||
+|1560|Most Visited Sector in  a Circular Track||56.9%|Easy||
+|1561|Maximum Number of Coins You Can Get||77.7%|Medium||
+|1562|Find Latest Group of Size M||39.6%|Medium||
 |1563|Stone Game V||40.1%|Hard||
-|1564|Put Boxes Into the Warehouse I||65.8%|Medium||
-|1565|Unique Orders and Customers Per Month||83.2%|Easy||
+|1564|Put Boxes Into the Warehouse I||66.0%|Medium||
+|1565|Unique Orders and Customers Per Month||82.9%|Easy||
 |1566|Detect Pattern of Length M Repeated K or More Times||42.4%|Easy||
-|1567|Maximum Length of Subarray With Positive Product||36.5%|Medium||
+|1567|Maximum Length of Subarray With Positive Product||36.7%|Medium||
 |1568|Minimum Number of Days to Disconnect Island||50.3%|Hard||
-|1569|Number of Ways to Reorder Array to Get Same BST||50.0%|Hard||
-|1570|Dot Product of Two Sparse Vectors||91.4%|Medium||
+|1569|Number of Ways to Reorder Array to Get Same BST||50.2%|Hard||
+|1570|Dot Product of Two Sparse Vectors||91.2%|Medium||
 |1571|Warehouse Manager||90.1%|Easy||
-|1572|Matrix Diagonal Sum||78.3%|Easy||
-|1573|Number of Ways to Split a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1573.Number-of-Ways-to-Split-a-String)|30.9%|Medium||
-|1574|Shortest Subarray to be Removed to Make Array Sorted||33.0%|Medium||
-|1575|Count All Possible Routes||57.5%|Hard||
-|1576|Replace All ?'s to Avoid Consecutive Repeating Characters||48.2%|Easy||
-|1577|Number of Ways Where Square of Number Is Equal to Product of Two Numbers||37.3%|Medium||
-|1578|Minimum Deletion Cost to Avoid Repeating Letters||60.4%|Medium||
-|1579|Remove Max Number of Edges to Keep Graph Fully Traversable||45.9%|Hard||
+|1572|Matrix Diagonal Sum||78.4%|Easy||
+|1573|Number of Ways to Split a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1573.Number-of-Ways-to-Split-a-String)|31.0%|Medium||
+|1574|Shortest Subarray to be Removed to Make Array Sorted||33.3%|Medium||
+|1575|Count All Possible Routes||57.4%|Hard||
+|1576|Replace All ?'s to Avoid Consecutive Repeating Characters||48.3%|Easy||
+|1577|Number of Ways Where Square of Number Is Equal to Product of Two Numbers||37.4%|Medium||
+|1578|Minimum Deletion Cost to Avoid Repeating Letters||60.5%|Medium||
+|1579|Remove Max Number of Edges to Keep Graph Fully Traversable||46.2%|Hard||
 |1580|Put Boxes Into the Warehouse II||62.1%|Medium||
-|1581|Customer Who Visited but Did Not Make Any Transactions||90.3%|Easy||
+|1581|Customer Who Visited but Did Not Make Any Transactions||90.2%|Easy||
 |1582|Special Positions in a Binary Matrix||64.3%|Easy||
-|1583|Count Unhappy Friends||54.1%|Medium||
-|1584|Min Cost to Connect All Points||50.9%|Medium||
-|1585|Check If String Is Transformable With Substring Sort Operations||48.1%|Hard||
-|1586|Binary Search Tree Iterator II||66.5%|Medium||
-|1587|Bank Account Summary II||90.4%|Easy||
-|1588|Sum of All Odd Length Subarrays||82.2%|Easy||
+|1583|Count Unhappy Friends||54.2%|Medium||
+|1584|Min Cost to Connect All Points||51.3%|Medium||
+|1585|Check If String Is Transformable With Substring Sort Operations||48.2%|Hard||
+|1586|Binary Search Tree Iterator II||66.6%|Medium||
+|1587|Bank Account Summary II||90.2%|Easy||
+|1588|Sum of All Odd Length Subarrays||82.0%|Easy||
 |1589|Maximum Sum Obtained of Any Permutation||34.8%|Medium||
 |1590|Make Sum Divisible by P||27.0%|Medium||
-|1591|Strange Printer II||55.5%|Hard||
+|1591|Strange Printer II||55.1%|Hard||
 |1592|Rearrange Spaces Between Words||43.8%|Easy||
-|1593|Split a String Into the Max Number of Unique Substrings||48.4%|Medium||
+|1593|Split a String Into the Max Number of Unique Substrings||48.8%|Medium||
 |1594|Maximum Non Negative Product in a Matrix||31.9%|Medium||
-|1595|Minimum Cost to Connect Two Groups of Points||42.8%|Hard||
-|1596|The Most Frequently Ordered Products for Each Customer||84.2%|Medium||
-|1597|Build Binary Expression Tree From Infix Expression||66.1%|Hard||
-|1598|Crawler Log Folder||64.2%|Easy||
-|1599|Maximum Profit of Operating a Centennial Wheel||43.5%|Medium||
-|1600|Throne Inheritance||59.9%|Medium||
-|1601|Maximum Number of Achievable Transfer Requests||47.6%|Hard||
-|1602|Find Nearest Right Node in Binary Tree||74.0%|Medium||
-|1603|Design Parking System||86.6%|Easy||
-|1604|Alert Using Same Key-Card Three or More Times in a One Hour Period||42.2%|Medium||
-|1605|Find Valid Matrix Given Row and Column Sums||77.9%|Medium||
+|1595|Minimum Cost to Connect Two Groups of Points||42.9%|Hard||
+|1596|The Most Frequently Ordered Products for Each Customer||84.0%|Medium||
+|1597|Build Binary Expression Tree From Infix Expression||63.7%|Hard||
+|1598|Crawler Log Folder||64.1%|Easy||
+|1599|Maximum Profit of Operating a Centennial Wheel||43.6%|Medium||
+|1600|Throne Inheritance||60.1%|Medium||
+|1601|Maximum Number of Achievable Transfer Requests||47.8%|Hard||
+|1602|Find Nearest Right Node in Binary Tree||73.9%|Medium||
+|1603|Design Parking System||86.5%|Easy||
+|1604|Alert Using Same Key-Card Three or More Times in a One Hour Period||42.3%|Medium||
+|1605|Find Valid Matrix Given Row and Column Sums||77.2%|Medium||
 |1606|Find Servers That Handled Most Number of Requests||36.9%|Hard||
-|1607|Sellers With No Sales||55.7%|Easy||
+|1607|Sellers With No Sales||55.6%|Easy||
 |1608|Special Array With X Elements Greater Than or Equal X||61.7%|Easy||
-|1609|Even Odd Tree||53.2%|Medium||
-|1610|Maximum Number of Visible Points||28.7%|Hard||
-|1611|Minimum One Bit Operations to Make Integers Zero||57.2%|Hard||
-|1612|Check If Two Expression Trees are Equivalent||69.8%|Medium||
-|1613|Find the Missing IDs||72.6%|Medium||
-|1614|Maximum Nesting Depth of the Parentheses||83.3%|Easy||
-|1615|Maximal Network Rank||51.7%|Medium||
-|1616|Split Two Strings to Make Palindrome||36.4%|Medium||
-|1617|Count Subtrees With Max Distance Between Cities||63.5%|Hard||
+|1609|Even Odd Tree||53.1%|Medium||
+|1610|Maximum Number of Visible Points||28.8%|Hard||
+|1611|Minimum One Bit Operations to Make Integers Zero||57.5%|Hard||
+|1612|Check If Two Expression Trees are Equivalent||70.1%|Medium||
+|1613|Find the Missing IDs||73.3%|Medium||
+|1614|Maximum Nesting Depth of the Parentheses||83.2%|Easy||
+|1615|Maximal Network Rank||51.8%|Medium||
+|1616|Split Two Strings to Make Palindrome||36.3%|Medium||
+|1617|Count Subtrees With Max Distance Between Cities||63.6%|Hard||
 |1618|Maximum Font to Fit a Sentence in a Screen||57.8%|Medium||
-|1619|Mean of Array After Removing Some Elements||65.4%|Easy||
-|1620|Coordinate With Maximum Network Quality||37.0%|Medium||
-|1621|Number of Sets of K Non-Overlapping Line Segments||41.2%|Medium||
-|1622|Fancy Sequence||15.5%|Hard||
-|1623|All Valid Triplets That Can Represent a Country||89.0%|Easy||
-|1624|Largest Substring Between Two Equal Characters||59.1%|Easy||
+|1619|Mean of Array After Removing Some Elements||65.1%|Easy||
+|1620|Coordinate With Maximum Network Quality||37.1%|Medium||
+|1621|Number of Sets of K Non-Overlapping Line Segments||41.1%|Medium||
+|1622|Fancy Sequence||15.4%|Hard||
+|1623|All Valid Triplets That Can Represent a Country||88.9%|Easy||
+|1624|Largest Substring Between Two Equal Characters||59.0%|Easy||
 |1625|Lexicographically Smallest String After Applying Operations||63.7%|Medium||
-|1626|Best Team With No Conflicts||37.4%|Medium||
-|1627|Graph Connectivity With Threshold||38.2%|Hard||
-|1628|Design an Expression Tree With Evaluate Function||80.0%|Medium||
-|1629|Slowest Key||59.0%|Easy||
-|1630|Arithmetic Subarrays||77.5%|Medium||
-|1631|Path With Minimum Effort||43.5%|Medium||
-|1632|Rank Transform of a Matrix||30.5%|Hard||
-|1633|Percentage of Users Attended a Contest||72.9%|Easy||
-|1634|Add Two Polynomials Represented as Linked Lists||55.9%|Medium||
-|1635|Hopper Company Queries I||56.3%|Hard||
-|1636|Sort Array by Increasing Frequency||66.8%|Easy||
-|1637|Widest Vertical Area Between Two Points Containing No Points||83.7%|Medium||
-|1638|Count Substrings That Differ by One Character||68.3%|Medium||
+|1626|Best Team With No Conflicts||37.7%|Medium||
+|1627|Graph Connectivity With Threshold||38.5%|Hard||
+|1628|Design an Expression Tree With Evaluate Function||80.3%|Medium||
+|1629|Slowest Key||59.3%|Easy||
+|1630|Arithmetic Subarrays||77.7%|Medium||
+|1631|Path With Minimum Effort||50.1%|Medium||
+|1632|Rank Transform of a Matrix||30.7%|Hard||
+|1633|Percentage of Users Attended a Contest||72.4%|Easy||
+|1634|Add Two Polynomials Represented as Linked Lists||55.3%|Medium||
+|1635|Hopper Company Queries I||56.0%|Hard||
+|1636|Sort Array by Increasing Frequency||67.1%|Easy||
+|1637|Widest Vertical Area Between Two Points Containing No Points||84.0%|Medium||
+|1638|Count Substrings That Differ by One Character||68.6%|Medium||
 |1639|Number of Ways to Form a Target String Given a Dictionary||39.5%|Hard||
-|1640|Check Array Formation Through Concatenation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1640.Check-Array-Formation-Through-Concatenation)|60.7%|Easy||
-|1641|Count Sorted Vowel Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1641.Count-Sorted-Vowel-Strings)|77.3%|Medium||
-|1642|Furthest Building You Can Reach||50.9%|Medium||
-|1643|Kth Smallest Instructions||43.1%|Hard||
-|1644|Lowest Common Ancestor of a Binary Tree II||57.4%|Medium||
-|1645|Hopper Company Queries II||41.6%|Hard||
+|1640|Check Array Formation Through Concatenation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1640.Check-Array-Formation-Through-Concatenation)|60.2%|Easy||
+|1641|Count Sorted Vowel Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1641.Count-Sorted-Vowel-Strings)|77.0%|Medium||
+|1642|Furthest Building You Can Reach||50.6%|Medium||
+|1643|Kth Smallest Instructions||43.3%|Hard||
+|1644|Lowest Common Ancestor of a Binary Tree II||57.3%|Medium||
+|1645|Hopper Company Queries II||40.0%|Hard||
 |1646|Get Maximum in Generated Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1646.Get-Maximum-in-Generated-Array)|53.5%|Easy||
-|1647|Minimum Deletions to Make Character Frequencies Unique|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique)|53.9%|Medium||
-|1648|Sell Diminishing-Valued Colored Balls|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1648.Sell-Diminishing-Valued-Colored-Balls)|30.9%|Medium||
-|1649|Create Sorted Array through Instructions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1649.Create-Sorted-Array-through-Instructions)|36.2%|Hard||
+|1647|Minimum Deletions to Make Character Frequencies Unique|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique)|54.3%|Medium||
+|1648|Sell Diminishing-Valued Colored Balls|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1648.Sell-Diminishing-Valued-Colored-Balls)|30.7%|Medium||
+|1649|Create Sorted Array through Instructions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1649.Create-Sorted-Array-through-Instructions)|36.3%|Hard||
 |1650|Lowest Common Ancestor of a Binary Tree III||77.0%|Medium||
-|1651|Hopper Company Queries III||67.0%|Hard||
-|1652|Defuse the Bomb|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1652.Defuse-the-Bomb)|63.6%|Easy||
-|1653|Minimum Deletions to Make String Balanced|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1653.Minimum-Deletions-to-Make-String-Balanced)|50.2%|Medium||
+|1651|Hopper Company Queries III||67.3%|Hard||
+|1652|Defuse the Bomb|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1652.Defuse-the-Bomb)|63.2%|Easy||
+|1653|Minimum Deletions to Make String Balanced|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1653.Minimum-Deletions-to-Make-String-Balanced)|50.6%|Medium||
 |1654|Minimum Jumps to Reach Home|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1654.Minimum-Jumps-to-Reach-Home)|26.2%|Medium||
 |1655|Distribute Repeating Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1655.Distribute-Repeating-Integers)|40.5%|Hard||
-|1656|Design an Ordered Stream|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1656.Design-an-Ordered-Stream)|82.0%|Easy||
-|1657|Determine if Two Strings Are Close|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1657.Determine-if-Two-Strings-Are-Close)|55.9%|Medium||
+|1656|Design an Ordered Stream|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1656.Design-an-Ordered-Stream)|82.2%|Easy||
+|1657|Determine if Two Strings Are Close|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1657.Determine-if-Two-Strings-Are-Close)|55.4%|Medium||
 |1658|Minimum Operations to Reduce X to Zero|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1658.Minimum-Operations-to-Reduce-X-to-Zero)|33.4%|Medium||
-|1659|Maximize Grid Happiness|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1659.Maximize-Grid-Happiness)|35.3%|Hard||
-|1660|Correct a Binary Tree||79.2%|Medium||
-|1661|Average Time of Process per Machine||79.4%|Easy||
-|1662|Check If Two String Arrays are Equivalent|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1662.Check-If-Two-String-Arrays-are-Equivalent)|83.5%|Easy||
-|1663|Smallest String With A Given Numeric Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1663.Smallest-String-With-A-Given-Numeric-Value)|60.0%|Medium||
-|1664|Ways to Make a Fair Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1664.Ways-to-Make-a-Fair-Array)|60.7%|Medium||
-|1665|Minimum Initial Energy to Finish Tasks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1665.Minimum-Initial-Energy-to-Finish-Tasks)|67.4%|Hard||
-|1666|Change the Root of a Binary Tree||68.5%|Medium||
-|1667|Fix Names in a Table||63.9%|Easy||
+|1659|Maximize Grid Happiness|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1659.Maximize-Grid-Happiness)|35.5%|Hard||
+|1660|Correct a Binary Tree||78.7%|Medium||
+|1661|Average Time of Process per Machine||79.3%|Easy||
+|1662|Check If Two String Arrays are Equivalent|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1662.Check-If-Two-String-Arrays-are-Equivalent)|83.4%|Easy||
+|1663|Smallest String With A Given Numeric Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1663.Smallest-String-With-A-Given-Numeric-Value)|64.3%|Medium||
+|1664|Ways to Make a Fair Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1664.Ways-to-Make-a-Fair-Array)|60.6%|Medium||
+|1665|Minimum Initial Energy to Finish Tasks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1665.Minimum-Initial-Energy-to-Finish-Tasks)|66.6%|Hard||
+|1666|Change the Root of a Binary Tree||69.4%|Medium||
+|1667|Fix Names in a Table||63.6%|Easy||
 |1668|Maximum Repeating Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1668.Maximum-Repeating-Substring)|38.6%|Easy||
-|1669|Merge In Between Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1669.Merge-In-Between-Linked-Lists)|77.9%|Medium||
+|1669|Merge In Between Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1669.Merge-In-Between-Linked-Lists)|77.3%|Medium||
 |1670|Design Front Middle Back Queue|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1670.Design-Front-Middle-Back-Queue)|54.6%|Medium||
-|1671|Minimum Number of Removals to Make Mountain Array||45.8%|Hard||
+|1671|Minimum Number of Removals to Make Mountain Array||45.6%|Hard||
 |1672|Richest Customer Wealth|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1672.Richest-Customer-Wealth)|88.4%|Easy||
-|1673|Find the Most Competitive Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1673.Find-the-Most-Competitive-Subsequence)|45.1%|Medium||
+|1673|Find the Most Competitive Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1673.Find-the-Most-Competitive-Subsequence)|45.2%|Medium||
 |1674|Minimum Moves to Make Array Complementary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1674.Minimum-Moves-to-Make-Array-Complementary)|34.6%|Medium||
-|1675|Minimize Deviation in Array||44.6%|Hard||
-|1676|Lowest Common Ancestor of a Binary Tree IV||78.0%|Medium||
-|1677|Product's Worth Over Invoices||74.5%|Easy||
-|1678|Goal Parser Interpretation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1678.Goal-Parser-Interpretation)|86.3%|Easy||
-|1679|Max Number of K-Sum Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1679.Max-Number-of-K-Sum-Pairs)|54.3%|Medium||
-|1680|Concatenation of Consecutive Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1680.Concatenation-of-Consecutive-Binary-Numbers)|45.1%|Medium||
-|1681|Minimum Incompatibility|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1681.Minimum-Incompatibility)|35.2%|Hard||
-|1682|Longest Palindromic Subsequence II||51.4%|Medium||
-|1683|Invalid Tweets||91.2%|Easy||
-|1684|Count the Number of Consistent Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1684.Count-the-Number-of-Consistent-Strings)|83.9%|Easy||
-|1685|Sum of Absolute Differences in a Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array)|61.7%|Medium||
-|1686|Stone Game VI||49.1%|Medium||
+|1675|Minimize Deviation in Array||48.5%|Hard||
+|1676|Lowest Common Ancestor of a Binary Tree IV||78.5%|Medium||
+|1677|Product's Worth Over Invoices||74.0%|Easy||
+|1678|Goal Parser Interpretation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1678.Goal-Parser-Interpretation)|85.9%|Easy||
+|1679|Max Number of K-Sum Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1679.Max-Number-of-K-Sum-Pairs)|54.2%|Medium||
+|1680|Concatenation of Consecutive Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1680.Concatenation-of-Consecutive-Binary-Numbers)|52.4%|Medium||
+|1681|Minimum Incompatibility|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1681.Minimum-Incompatibility)|35.3%|Hard||
+|1682|Longest Palindromic Subsequence II||51.5%|Medium||
+|1683|Invalid Tweets||91.1%|Easy||
+|1684|Count the Number of Consistent Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1684.Count-the-Number-of-Consistent-Strings)|83.5%|Easy||
+|1685|Sum of Absolute Differences in a Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array)|61.8%|Medium||
+|1686|Stone Game VI||48.9%|Medium||
 |1687|Delivering Boxes from Storage to Ports||34.6%|Hard||
-|1688|Count of Matches in Tournament|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1688.Count-of-Matches-in-Tournament)|83.0%|Easy||
-|1689|Partitioning Into Minimum Number Of Deci-Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers)|87.9%|Medium||
-|1690|Stone Game VII|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1690.Stone-Game-VII)|47.0%|Medium||
+|1688|Count of Matches in Tournament|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1688.Count-of-Matches-in-Tournament)|82.7%|Easy||
+|1689|Partitioning Into Minimum Number Of Deci-Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers)|87.4%|Medium||
+|1690|Stone Game VII|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1690.Stone-Game-VII)|47.5%|Medium||
 |1691|Maximum Height by Stacking Cuboids ||50.0%|Hard||
-|1692|Count Ways to Distribute Candies||61.2%|Hard||
-|1693|Daily Leads and Partners||90.8%|Easy||
-|1694|Reformat Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1694.Reformat-Phone-Number)|66.7%|Easy||
-|1695|Maximum Erasure Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1695.Maximum-Erasure-Value)|49.7%|Medium||
-|1696|Jump Game VI|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1696.Jump-Game-VI)|54.7%|Medium||
-|1697|Checking Existence of Edge Length Limited Paths||56.3%|Hard||
-|1698|Number of Distinct Substrings in a String||55.9%|Medium||
-|1699|Number of Calls Between Two Persons||86.0%|Medium||
-|1700|Number of Students Unable to Eat Lunch||69.7%|Easy||
-|1701|Average Waiting Time||61.5%|Medium||
-|1702|Maximum Binary String After Change||61.1%|Medium||
-|1703|Minimum Adjacent Swaps for K Consecutive Ones||40.6%|Hard||
-|1704|Determine if String Halves Are Alike||78.1%|Easy||
-|1705|Maximum Number of Eaten Apples||42.2%|Medium||
-|1706|Where Will the Ball Fall||58.6%|Medium||
-|1707|Maximum XOR With an Element From Array||47.8%|Hard||
-|1708|Largest Subarray Length K||64.6%|Easy||
-|1709|Biggest Window Between Visits||81.8%|Medium||
-|1710|Maximum Units on a Truck||70.8%|Easy||
-|1711|Count Good Meals||25.8%|Medium||
-|1712|Ways to Split Array Into Three Subarrays||29.9%|Medium||
-|1713|Minimum Operations to Make a Subsequence||45.5%|Hard||
-|1714|Sum Of Special Evenly-Spaced Elements In Array||47.9%|Hard||
-|1715|Count Apples and Oranges||78.0%|Medium||
-|1716|Calculate Money in Leetcode Bank||68.5%|Easy||
-|1717|Maximum Score From Removing Substrings||39.2%|Medium||
-|1718|Construct the Lexicographically Largest Valid Sequence||44.1%|Medium||
-|1719|Number Of Ways To Reconstruct A Tree||39.3%|Hard||
-|1720|Decode XORed Array||86.0%|Easy||
-|1721|Swapping Nodes in a Linked List||65.2%|Medium||
-|1722|Minimize Hamming Distance After Swap Operations||55.7%|Medium||
-|1723|Find Minimum Time to Finish All Jobs||44.6%|Hard||
-|1724|Checking Existence of Edge Length Limited Paths II||59.5%|Hard||
-|1725|Number Of Rectangles That Can Form The Largest Square||77.3%|Easy||
-|1726|Tuple with Same Product||54.1%|Medium||
-|1727|Largest Submatrix With Rearrangements||57.8%|Medium||
-|1728|Cat and Mouse II||40.5%|Hard||
-|1729|Find Followers Count||72.9%|Easy||
-|1730|Shortest Path to Get Food||64.4%|Medium||
-|1731|The Number of Employees Which Report to Each Employee||52.2%|Easy||
+|1692|Count Ways to Distribute Candies||62.5%|Hard||
+|1693|Daily Leads and Partners||90.9%|Easy||
+|1694|Reformat Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1694.Reformat-Phone-Number)|66.5%|Easy||
+|1695|Maximum Erasure Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1695.Maximum-Erasure-Value)|49.6%|Medium||
+|1696|Jump Game VI|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1696.Jump-Game-VI)|54.1%|Medium||
+|1697|Checking Existence of Edge Length Limited Paths||55.9%|Hard||
+|1698|Number of Distinct Substrings in a String||56.4%|Medium||
+|1699|Number of Calls Between Two Persons||86.5%|Medium||
+|1700|Number of Students Unable to Eat Lunch||69.5%|Easy||
+|1701|Average Waiting Time||61.4%|Medium||
+|1702|Maximum Binary String After Change||60.5%|Medium||
+|1703|Minimum Adjacent Swaps for K Consecutive Ones||40.2%|Hard||
+|1704|Determine if String Halves Are Alike||77.7%|Easy||
+|1705|Maximum Number of Eaten Apples||42.1%|Medium||
+|1706|Where Will the Ball Fall||59.1%|Medium||
+|1707|Maximum XOR With an Element From Array||47.5%|Hard||
+|1708|Largest Subarray Length K||64.1%|Easy||
+|1709|Biggest Window Between Visits||82.0%|Medium||
+|1710|Maximum Units on a Truck||70.7%|Easy||
+|1711|Count Good Meals||26.0%|Medium||
+|1712|Ways to Split Array Into Three Subarrays||29.8%|Medium||
+|1713|Minimum Operations to Make a Subsequence||45.6%|Hard||
+|1714|Sum Of Special Evenly-Spaced Elements In Array||48.2%|Hard||
+|1715|Count Apples and Oranges||79.5%|Medium||
+|1716|Calculate Money in Leetcode Bank||67.6%|Easy||
+|1717|Maximum Score From Removing Substrings||39.6%|Medium||
+|1718|Construct the Lexicographically Largest Valid Sequence||44.3%|Medium||
+|1719|Number Of Ways To Reconstruct A Tree||39.4%|Hard||
+|1720|Decode XORed Array||85.9%|Easy||
+|1721|Swapping Nodes in a Linked List||65.0%|Medium||
+|1722|Minimize Hamming Distance After Swap Operations||55.4%|Medium||
+|1723|Find Minimum Time to Finish All Jobs||44.4%|Hard||
+|1724|Checking Existence of Edge Length Limited Paths II||58.5%|Hard||
+|1725|Number Of Rectangles That Can Form The Largest Square||77.7%|Easy||
+|1726|Tuple with Same Product||55.1%|Medium||
+|1727|Largest Submatrix With Rearrangements||58.2%|Medium||
+|1728|Cat and Mouse II||40.9%|Hard||
+|1729|Find Followers Count||72.2%|Easy||
+|1730|Shortest Path to Get Food||59.4%|Medium||
+|1731|The Number of Employees Which Report to Each Employee||50.2%|Easy||
 |1732|Find the Highest Altitude||82.0%|Easy||
-|1733|Minimum Number of People to Teach||33.7%|Medium||
-|1734|Decode XORed Permutation||46.1%|Medium||
-|1735|Count Ways to Make Array With Product||44.7%|Hard||
-|1736|Latest Time by Replacing Hidden Digits||41.4%|Easy||
-|1737|Change Minimum Characters to Satisfy One of Three Conditions||26.0%|Medium||
-|1738|Find Kth Largest XOR Coordinate Value||61.5%|Medium||
-|1739|Building Boxes||46.0%|Hard||
+|1733|Minimum Number of People to Teach||36.4%|Medium||
+|1734|Decode XORed Permutation||50.7%|Medium||
+|1735|Count Ways to Make Array With Product||49.4%|Hard||
+|1736|Latest Time by Replacing Hidden Digits||41.3%|Easy||
+|1737|Change Minimum Characters to Satisfy One of Three Conditions||28.9%|Medium||
+|1738|Find Kth Largest XOR Coordinate Value||62.1%|Medium||
+|1739|Building Boxes||49.3%|Hard||
+|1740|Find Distance in a Binary Tree||70.8%|Medium||
+|1741|Find Total Time Spent by Each Employee||91.7%|Easy||
+|1742|Maximum Number of Balls in a Box||74.9%|Easy||
+|1743|Restore the Array From Adjacent Pairs||61.9%|Medium||
+|1744|Can You Eat Your Favorite Candy on Your Favorite Day?||30.3%|Medium||
+|1745|Palindrome Partitioning IV||48.7%|Hard||
+|1746|Maximum Subarray Sum After One Operation||64.0%|Medium||
+|1747|Leetflex Banned Accounts||69.5%|Medium||
+|1748|Sum of Unique Elements||77.9%|Easy||
+|1749|Maximum Absolute Sum of Any Subarray||45.3%|Medium||
+|1750|Minimum Length of String After Deleting Similar Ends||39.3%|Medium||
+|1751|Maximum Number of Events That Can Be Attended II||42.0%|Hard||
+|1752|Check if Array Is Sorted and Rotated||48.6%|Easy||
+|1753|Maximum Score From Removing Stones||57.3%|Medium||
+|1754|Largest Merge Of Two Strings||32.2%|Medium||
+|1755|Closest Subsequence Sum||23.1%|Hard||
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|
 
 ------------------------------------------------------------------
diff --git a/ctl/label.go b/ctl/label.go
index 112a721c..6553508e 100644
--- a/ctl/label.go
+++ b/ctl/label.go
@@ -74,12 +74,12 @@ var (
 	}
 )
 
-func getChapterFourFileOrder() []string {
-	solutions := util.LoadChapterFourDir()
+func getChapterFourFileOrder() ([]string, []int) {
+	solutions, solutionIds := util.LoadChapterFourDir()
 	chapterFourFileOrder := []string{"_index"}
 	chapterFourFileOrder = append(chapterFourFileOrder, solutions...)
-	fmt.Printf("ChapterFour 中包括 _index 有 %v 个文件\n", len(chapterFourFileOrder))
-	return chapterFourFileOrder
+	fmt.Printf("ChapterFour 中包括 _index 有 %v 个文件, len(id) = %v\n", len(chapterFourFileOrder), len(solutionIds))
+	return chapterFourFileOrder, solutionIds
 }
 
 func newLabelCommand() *cobra.Command {
@@ -123,57 +123,75 @@ func newDeletePreNext() *cobra.Command {
 
 func addPreNext() {
 	// Chpater one add pre-next
-	addPreNextLabel(chapterOneFileOrder, []string{}, "", "ChapterOne", "ChapterTwo")
+	addPreNextLabel(chapterOneFileOrder, []string{}, []int{}, "", "ChapterOne", "ChapterTwo")
 	// Chpater two add pre-next
-	addPreNextLabel(chapterTwoFileOrder, chapterOneFileOrder, "ChapterOne", "ChapterTwo", "ChapterThree")
+	addPreNextLabel(chapterTwoFileOrder, chapterOneFileOrder, []int{}, "ChapterOne", "ChapterTwo", "ChapterThree")
 	// Chpater three add pre-next
-	addPreNextLabel(chapterThreeFileOrder, chapterTwoFileOrder, "ChapterTwo", "ChapterThree", "ChapterFour")
+	addPreNextLabel(chapterThreeFileOrder, chapterTwoFileOrder, []int{}, "ChapterTwo", "ChapterThree", "ChapterFour")
 	// Chpater four add pre-next
 	//fmt.Printf("%v\n", getChapterFourFileOrder())
-	addPreNextLabel(getChapterFourFileOrder(), chapterThreeFileOrder, "ChapterThree", "ChapterFour", "")
+	chapterFourFileOrder, solutionIds := getChapterFourFileOrder()
+	addPreNextLabel(chapterFourFileOrder, chapterThreeFileOrder, solutionIds, "ChapterThree", "ChapterFour", "")
 }
 
-func addPreNextLabel(order, preOrder []string, preChapter, chapter, nextChapter string) {
+func addPreNextLabel(order, preOrder []string, chapterFourIds []int, preChapter, chapter, nextChapter string) {
 	var (
 		exist bool
 		err   error
 		res   []byte
 		count int
 	)
-	for index, v := range order {
+	for index, path := range order {
 		tmp := ""
 		if index == 0 {
 			if chapter == "ChapterOne" {
 				// 第一页不需要“上一章”
 				tmp = "\n\n" + delLine + fmt.Sprintf("<p align = \"right\"><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1])
 			} else {
-				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一章</a></p>\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+				if chapter == "ChapterFour" {
+					tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一章</a></p>\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/%v/\">下一页➡️</a></p>\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+				} else {
+					tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一章</a></p>\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+				}
 			}
 		} else if index == len(order)-1 {
 			if chapter == "ChapterFour" {
 				// 最后一页不需要“下一页”
-				tmp = "\n\n" + delLine + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一页</a></p>\n", chapter, order[index-1])
+				tmp = "\n\n" + delLine + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/%v/\">⬅️上一页</a></p>\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)-1]), order[index-1])
 			} else {
 				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一页</a></p>\n", chapter, order[index-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/\">下一章➡️</a></p>\n", nextChapter) + preNextFotter
 			}
 		} else if index == 1 {
-			tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/\">⬅️上一页</a></p>\n", chapter) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+			if chapter == "ChapterFour" {
+				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/\">⬅️上一页</a></p>\n", chapter) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/%v/\">下一页➡️</a></p>\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+			} else {
+				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/\">⬅️上一页</a></p>\n", chapter) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+			}
 		} else {
-			tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一页</a></p>\n", chapter, order[index-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+			if chapter == "ChapterFour" {
+				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/%v/\">⬅️上一页</a></p>\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)-1]), order[index-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/%v/\">下一页➡️</a></p>\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+			} else {
+				tmp = "\n\n" + preNextHeader + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">⬅️上一页</a></p>\n", chapter, order[index-1]) + fmt.Sprintf("<p><a href=\"https://books.halfrost.com/leetcode/%v/%v/\">下一页➡️</a></p>\n", chapter, order[index+1]) + preNextFotter
+			}
 		}
-		exist, err = needAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, v))
+
+		if chapter == "ChapterFour" && index > 0 {
+			path = fmt.Sprintf("%v/%v", util.GetChpaterFourFileNum(chapterFourIds[(index-1)]), path)
+		}
+
+		exist, err = needAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, path))
 		if err != nil {
 			fmt.Println(err)
 			return
 		}
 		// 当前没有上一页和下一页，才添加
 		if !exist && err == nil {
-			res, err = eofAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, v), tmp)
+			res, err = eofAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, path), tmp)
 			if err != nil {
 				fmt.Println(err)
 				return
 			}
-			util.WriteFile(fmt.Sprintf("../website/content/%v/%v.md", chapter, v), res)
+			util.WriteFile(fmt.Sprintf("../website/content/%v/%v.md", chapter, path), res)
 			count++
 		}
 	}
@@ -205,30 +223,35 @@ func eofAdd(filePath string, labelString string) ([]byte, error) {
 
 func delPreNext() {
 	// Chpater one del pre-next
-	delPreNextLabel(chapterOneFileOrder, "ChapterOne")
+	delPreNextLabel(chapterOneFileOrder, []int{}, "ChapterOne")
 	// Chpater two del pre-next
-	delPreNextLabel(chapterTwoFileOrder, "ChapterTwo")
+	delPreNextLabel(chapterTwoFileOrder, []int{}, "ChapterTwo")
 	// Chpater three del pre-next
-	delPreNextLabel(chapterThreeFileOrder, "ChapterThree")
+	delPreNextLabel(chapterThreeFileOrder, []int{}, "ChapterThree")
 	// Chpater four del pre-next
-	delPreNextLabel(getChapterFourFileOrder(), "ChapterFour")
+	chapterFourFileOrder, solutionIds := getChapterFourFileOrder()
+	delPreNextLabel(chapterFourFileOrder, solutionIds, "ChapterFour")
 }
 
-func delPreNextLabel(order []string, chapter string) {
+func delPreNextLabel(order []string, chapterFourIds []int, chapter string) {
 	count := 0
-	for index, v := range order {
+	for index, path := range order {
 		lineNum := 5
 		if index == 0 && chapter == "ChapterOne" || index == len(order)-1 && chapter == "ChapterFour" {
 			lineNum = 3
 		}
-		exist, err := needAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, v))
+		if chapter == "ChapterFour" && index > 0 {
+			path = fmt.Sprintf("%v/%v", util.GetChpaterFourFileNum(chapterFourIds[(index-1)]), path)
+		}
+
+		exist, err := needAdd(fmt.Sprintf("../website/content/%v/%v.md", chapter, path))
 		if err != nil {
 			fmt.Println(err)
 			return
 		}
 		// 存在才删除
 		if exist && err == nil {
-			removeLine(fmt.Sprintf("../website/content/%v/%v.md", chapter, v), lineNum+1)
+			removeLine(fmt.Sprintf("../website/content/%v/%v.md", chapter, path), lineNum+1)
 			count++
 		}
 	}
diff --git a/ctl/models/tagproblem.go b/ctl/models/tagproblem.go
index f5cfbd5b..1adc7e91 100644
--- a/ctl/models/tagproblem.go
+++ b/ctl/models/tagproblem.go
@@ -130,9 +130,9 @@ func GenerateTagMdRows(solutionIds []int, metaMap map[int]TagList, mdrows []Mdro
 			s6 := strings.Replace(s5, ",", "", -1)
 			s7 := strings.Replace(s6, "?", "", -1)
 			if internal {
-				tmp.SolutionPath = fmt.Sprintf("[Go]({{< relref \"/ChapterFour/%v.md\" >}})", fmt.Sprintf("%04d.%v", int(row.FrontendQuestionID), s7))
+				tmp.SolutionPath = fmt.Sprintf("[Go]({{< relref \"/ChapterFour/%v/%v.md\" >}})", util.GetChpaterFourFileNum(int(row.FrontendQuestionID)), fmt.Sprintf("%04d.%v", int(row.FrontendQuestionID), s7))
 			} else {
-				tmp.SolutionPath = fmt.Sprintf("[Go](https://books.halfrost.com/leetcode/ChapterFour/%v)", fmt.Sprintf("%04d.%v", int(row.FrontendQuestionID), s7))
+				tmp.SolutionPath = fmt.Sprintf("[Go](https://books.halfrost.com/leetcode/ChapterFour/%v/%v)", util.GetChpaterFourFileNum(int(row.FrontendQuestionID)), fmt.Sprintf("%04d.%v", int(row.FrontendQuestionID), s7))
 			}
 			tmp.Acceptance = row.Acceptance
 			tmp.Difficulty = row.Difficulty
diff --git a/ctl/pdf.go b/ctl/pdf.go
index 9c2b432b..34282956 100644
--- a/ctl/pdf.go
+++ b/ctl/pdf.go
@@ -9,6 +9,7 @@ import (
 	"io/ioutil"
 	"os"
 	"regexp"
+	"strconv"
 	"strings"
 )
 
@@ -59,7 +60,7 @@ func generatePDF() {
 	// 先删除 pre-next
 	delPreNext()
 
-	chapterFourFileOrder := util.LoadChapterFourDir()
+	chapterFourFileOrder, _ := util.LoadChapterFourDir()
 	totalSolutions = len(chapterFourFileOrder)
 	midVersion = totalSolutions / 100
 	lastVersion = totalSolutions % 100
@@ -102,7 +103,17 @@ func loadChapter(order []string, path, chapter string) ([]byte, error) {
 			// 清理不支持的特殊 MarkDown 语法
 			tmp, err = clean(fmt.Sprintf("%v/%v/%v.md", path, chapter, v))
 		} else {
-			tmp, err = util.LoadFile(fmt.Sprintf("%v/%v/%v.md", path, chapter, v))
+			if chapter == "ChapterFour" {
+				if v[4] == '.' {
+					num, err := strconv.Atoi(v[:4])
+					if err != nil {
+						fmt.Println(err)
+					}
+					tmp, err = util.LoadFile(fmt.Sprintf("%v/%v/%v/%v.md", path, chapter, util.GetChpaterFourFileNum(num), v))
+				}
+			} else {
+				tmp, err = util.LoadFile(fmt.Sprintf("%v/%v/%v.md", path, chapter, v))
+			}
 		}
 		if err != nil {
 			fmt.Println(err)
@@ -126,7 +137,7 @@ func prepare(path string) {
 		fmt.Println(err)
 	}
 	for _, v := range chapterOneFileOrder {
-		removeHeader(fmt.Sprintf("../website/content/ChapterOne/%v.md", v), fmt.Sprintf("./pdftemp/ChapterOne/%v.md", v), 4)
+		removeHeader(fmt.Sprintf("../website/content/ChapterOne/%v.md", v), fmt.Sprintf("./pdftemp/ChapterOne/%v.md", v), 5)
 	}
 
 	err = os.MkdirAll("./pdftemp/ChapterTwo", os.ModePerm)
@@ -138,7 +149,7 @@ func prepare(path string) {
 	util.CopyFile("./pdftemp/ChapterTwo/_index.md", "../website/content/ChapterTwo/_index.md")
 
 	for _, v := range chapterTwoFileOrder {
-		removeHeader(fmt.Sprintf("./pdftemp/ChapterTwo/%v.md", v), fmt.Sprintf("./pdftemp/ChapterTwo/%v.md", v), 4)
+		removeHeader(fmt.Sprintf("./pdftemp/ChapterTwo/%v.md", v), fmt.Sprintf("./pdftemp/ChapterTwo/%v.md", v), 5)
 	}
 
 	err = os.MkdirAll("./pdftemp/ChapterThree", os.ModePerm)
@@ -146,14 +157,14 @@ func prepare(path string) {
 		fmt.Println(err)
 	}
 	for _, v := range chapterThreeFileOrder {
-		removeHeader(fmt.Sprintf("../website/content/ChapterThree/%v.md", v), fmt.Sprintf("./pdftemp/ChapterThree/%v.md", v), 4)
+		removeHeader(fmt.Sprintf("../website/content/ChapterThree/%v.md", v), fmt.Sprintf("./pdftemp/ChapterThree/%v.md", v), 5)
 	}
 
 	err = os.MkdirAll("./pdftemp/ChapterFour", os.ModePerm)
 	if err != nil {
 		fmt.Println(err)
 	}
-	removeHeader(fmt.Sprintf("../website/content/ChapterFour/_index.md"), fmt.Sprintf("./pdftemp/ChapterFour/_index.md"), 4)
+	removeHeader(fmt.Sprintf("../website/content/ChapterFour/_index.md"), fmt.Sprintf("./pdftemp/ChapterFour/_index.md"), 5)
 }
 
 func clean(filePath string) ([]byte, error) {
diff --git a/ctl/refresh.go b/ctl/refresh.go
index 9db1784a..501031a6 100644
--- a/ctl/refresh.go
+++ b/ctl/refresh.go
@@ -18,7 +18,8 @@ func newRefresh() *cobra.Command {
 }
 
 func refresh() {
-	buildBookMenu()
+	//buildBookMenu()
+	copyLackFile()
 	delPreNext()
 	buildREADME()
 	buildChapterTwo(true)
diff --git a/ctl/render.go b/ctl/render.go
index fe1f375b..cbd4dc46 100644
--- a/ctl/render.go
+++ b/ctl/render.go
@@ -4,15 +4,16 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
-	m "github.com/halfrost/LeetCode-Go/ctl/models"
-	"github.com/halfrost/LeetCode-Go/ctl/util"
-	"github.com/spf13/cobra"
 	"io"
 	"os"
 	"regexp"
 	"sort"
 	"strconv"
 	"strings"
+
+	m "github.com/halfrost/LeetCode-Go/ctl/models"
+	"github.com/halfrost/LeetCode-Go/ctl/util"
+	"github.com/spf13/cobra"
 )
 
 var (
@@ -33,7 +34,7 @@ func newBuildCommand() *cobra.Command {
 	mc.AddCommand(
 		newBuildREADME(),
 		newBuildChapterTwo(),
-		newBuildMenu(),
+		// newBuildMenu(),
 	)
 	return mc
 }
@@ -263,24 +264,7 @@ func renderChapterTwo(filePath string, tls m.TagLists) ([]byte, error) {
 }
 
 func buildBookMenu() {
-	solutionIds, soName, _ := util.LoadSolutionsDir()
-	ch4Ids, _ := util.LoadChapterFourIds()
-
-	needCopy := []string{}
-	for i := 0; i < len(solutionIds); i++ {
-		if util.BinarySearch(ch4Ids, solutionIds[i]) == -1 {
-			needCopy = append(needCopy, soName[i])
-		}
-	}
-	if len(needCopy) > 0 {
-		fmt.Printf("有 %v 道题需要拷贝到第四章中\n", len(needCopy))
-		for i := 0; i < len(needCopy); i++ {
-			util.CopyFile(fmt.Sprintf("../website/content/ChapterFour/%v.md", needCopy[i]), fmt.Sprintf("../leetcode/%v/README.md", needCopy[i]))
-		}
-	} else {
-		fmt.Printf("【第四章没有需要添加的题解，已经完整了】\n")
-	}
-
+	copyLackFile()
 	// 按照模板重新渲染 Menu
 	res, err := renderBookMenu("./template/menu.md")
 	if err != nil {
@@ -291,12 +275,45 @@ func buildBookMenu() {
 	fmt.Println("generate Menu successful")
 }
 
+// 拷贝 leetcode 目录下的题解 README 文件至第四章对应文件夹中
+func copyLackFile() {
+	solutionIds, soName, _ := util.LoadSolutionsDir()
+	_, ch4Ids := util.LoadChapterFourDir()
+
+	needCopy := []string{}
+	for i := 0; i < len(solutionIds); i++ {
+		if util.BinarySearch(ch4Ids, solutionIds[i]) == -1 {
+			needCopy = append(needCopy, soName[i])
+		}
+	}
+	if len(needCopy) > 0 {
+		fmt.Printf("有 %v 道题需要拷贝到第四章中\n", len(needCopy))
+		for i := 0; i < len(needCopy); i++ {
+			if needCopy[i][4] == '.' {
+				tmp, err := strconv.Atoi(needCopy[i][:4])
+				if err != nil {
+					fmt.Println(err)
+				}
+				err = os.MkdirAll(fmt.Sprintf("../website/content/ChapterFour/%v", util.GetChpaterFourFileNum(tmp)), os.ModePerm)
+				if err != nil {
+					fmt.Println(err)
+				}
+				util.CopyFile(fmt.Sprintf("../website/content/ChapterFour/%v/%v.md", util.GetChpaterFourFileNum(tmp), needCopy[i]), fmt.Sprintf("../leetcode/%v/README.md", needCopy[i]))
+				util.CopyFile(fmt.Sprintf("../website/content/ChapterFour/%v/_index.md", util.GetChpaterFourFileNum(tmp)), "./template/collapseSection.md")
+			}
+		}
+	} else {
+		fmt.Printf("【第四章没有需要添加的题解，已经完整了】\n")
+	}
+}
+
 func generateMenu() string {
 	res := ""
 	res += menuLine(chapterOneMenuOrder, "ChapterOne")
 	res += menuLine(chapterTwoFileOrder, "ChapterTwo")
 	res += menuLine(chapterThreeFileOrder, "ChapterThree")
-	res += menuLine(getChapterFourFileOrder(), "ChapterFour")
+	chapterFourFileOrder, _ := getChapterFourFileOrder()
+	res += menuLine(chapterFourFileOrder, "ChapterFour")
 	return res
 }
 
diff --git a/ctl/template/Array.md b/ctl/template/Array.md
index 87164757..257fd362 100644
--- a/ctl/template/Array.md
+++ b/ctl/template/Array.md
@@ -1,6 +1,7 @@
 ---
-title: Array
+title: 2.01 Array
 type: docs
+weight: 1
 ---
 
 # Array
diff --git a/ctl/template/Backtracking.md b/ctl/template/Backtracking.md
index abbd8a52..fe1a54e6 100644
--- a/ctl/template/Backtracking.md
+++ b/ctl/template/Backtracking.md
@@ -1,6 +1,7 @@
 ---
-title: Backtracking
+title: 2.08 ✅ Backtracking
 type: docs
+weight: 8
 ---
 
 # Backtracking
diff --git a/ctl/template/Binary_Indexed_Tree.md b/ctl/template/Binary_Indexed_Tree.md
index 0632403a..039b49cc 100644
--- a/ctl/template/Binary_Indexed_Tree.md
+++ b/ctl/template/Binary_Indexed_Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Binary Indexed Tree
+title: 2.19 ✅ Binary Indexed Tree
 type: docs
+weight: 19
 ---
 
 # Binary Indexed Tree
diff --git a/ctl/template/Binary_Search.md b/ctl/template/Binary_Search.md
index 033ca9da..e7a5de3d 100644
--- a/ctl/template/Binary_Search.md
+++ b/ctl/template/Binary_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Binary Search
+title: 2.11 Binary Search
 type: docs
+weight: 11
 ---
 
 # Binary Search
diff --git a/ctl/template/Bit_Manipulation.md b/ctl/template/Bit_Manipulation.md
index 3d568f31..6c643994 100644
--- a/ctl/template/Bit_Manipulation.md
+++ b/ctl/template/Bit_Manipulation.md
@@ -1,6 +1,7 @@
 ---
-title: Bit Manipulation
+title: 2.15 ✅ Bit Manipulation
 type: docs
+weight: 15
 ---
 
 # Bit Manipulation
diff --git a/ctl/template/Breadth_First_Search.md b/ctl/template/Breadth_First_Search.md
index 230a3ea7..64e56acb 100644
--- a/ctl/template/Breadth_First_Search.md
+++ b/ctl/template/Breadth_First_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Breadth First Search
+title: 2.10 Breadth First Search
 type: docs
+weight: 10
 ---
 
 # Breadth First Search
diff --git a/ctl/template/Depth_First_Search.md b/ctl/template/Depth_First_Search.md
index 016d6798..e8fb4415 100644
--- a/ctl/template/Depth_First_Search.md
+++ b/ctl/template/Depth_First_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Depth First Search
+title: 2.09 Depth First Search
 type: docs
+weight: 9
 ---
 
 # Depth First Search
diff --git a/ctl/template/Dynamic_Programming.md b/ctl/template/Dynamic_Programming.md
index d3384ecb..f18015f7 100644
--- a/ctl/template/Dynamic_Programming.md
+++ b/ctl/template/Dynamic_Programming.md
@@ -1,6 +1,7 @@
 ---
-title: Dynamic Programming
+title: 2.07 Dynamic Programming
 type: docs
+weight: 7
 ---
 
 # Dynamic Programming
diff --git a/ctl/template/Hash_Table.md b/ctl/template/Hash_Table.md
index 7677f9bd..03fb07d6 100644
--- a/ctl/template/Hash_Table.md
+++ b/ctl/template/Hash_Table.md
@@ -1,6 +1,7 @@
 ---
-title: Hash Table
+title: 2.13 Hash Table
 type: docs
+weight: 13
 ---
 
 # Hash Table
diff --git a/ctl/template/Linked_List.md b/ctl/template/Linked_List.md
index fd332903..b8673cc3 100644
--- a/ctl/template/Linked_List.md
+++ b/ctl/template/Linked_List.md
@@ -1,6 +1,7 @@
 ---
-title: Linked List
+title: 2.04 ✅ Linked List
 type: docs
+weight: 4
 ---
 
 # Linked List
diff --git a/ctl/template/Math.md b/ctl/template/Math.md
index 8ecedf58..dacbb1ff 100644
--- a/ctl/template/Math.md
+++ b/ctl/template/Math.md
@@ -1,6 +1,7 @@
 ---
-title: Math
+title: 2.12 Math
 type: docs
+weight: 12
 ---
 
 # Math
diff --git a/ctl/template/Segment_Tree.md b/ctl/template/Segment_Tree.md
index 37f04d32..220ac679 100644
--- a/ctl/template/Segment_Tree.md
+++ b/ctl/template/Segment_Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Segment Tree
+title: 2.18 ✅ Segment Tree
 type: docs
+weight: 18
 ---
 
 # Segment Tree
diff --git a/ctl/template/Sliding_Window.md b/ctl/template/Sliding_Window.md
index a4fdca5c..117e5022 100644
--- a/ctl/template/Sliding_Window.md
+++ b/ctl/template/Sliding_Window.md
@@ -1,6 +1,7 @@
 ---
-title: Sliding Window
+title: 2.17 ✅ Sliding Window
 type: docs
+weight: 17
 ---
 
 # Sliding Window
diff --git a/ctl/template/Sort.md b/ctl/template/Sort.md
index 9e68d7dd..00ded106 100644
--- a/ctl/template/Sort.md
+++ b/ctl/template/Sort.md
@@ -1,6 +1,7 @@
 ---
-title: Sort
+title: 2.14 ✅ Sort
 type: docs
+weight: 14
 ---
 
 # Sort
diff --git a/ctl/template/Stack.md b/ctl/template/Stack.md
index 3f1658e4..0cc1f39b 100644
--- a/ctl/template/Stack.md
+++ b/ctl/template/Stack.md
@@ -1,6 +1,7 @@
 ---
-title: Stack
+title: 2.05 ✅ Stack
 type: docs
+weight: 5
 ---
 
 # Stack
diff --git a/ctl/template/String.md b/ctl/template/String.md
index 87afd108..e0505e33 100644
--- a/ctl/template/String.md
+++ b/ctl/template/String.md
@@ -1,6 +1,7 @@
 ---
-title: String
+title: 2.02 String
 type: docs
+weight: 2
 ---
 
 # String
diff --git a/ctl/template/Tree.md b/ctl/template/Tree.md
index c62c5398..19bdee6b 100644
--- a/ctl/template/Tree.md
+++ b/ctl/template/Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Tree
+title: 2.06 Tree
 type: docs
+weight: 6
 ---
 
 # Tree
diff --git a/ctl/template/Two_Pointers.md b/ctl/template/Two_Pointers.md
index 80af5330..e25406e0 100644
--- a/ctl/template/Two_Pointers.md
+++ b/ctl/template/Two_Pointers.md
@@ -1,6 +1,7 @@
 ---
-title: Two Pointers
+title: 2.03 ✅ Two Pointers
 type: docs
+weight: 3
 ---
 
 # Two Pointers
diff --git a/ctl/template/Union_Find.md b/ctl/template/Union_Find.md
index 752a5727..0b23116f 100644
--- a/ctl/template/Union_Find.md
+++ b/ctl/template/Union_Find.md
@@ -1,6 +1,7 @@
 ---
-title: Union Find
+title: 2.16 ✅ Union Find
 type: docs
+weight: 16
 ---
 
 # Union Find
diff --git a/ctl/template/collapseSection.md b/ctl/template/collapseSection.md
new file mode 100644
index 00000000..e954f087
--- /dev/null
+++ b/ctl/template/collapseSection.md
@@ -0,0 +1,4 @@
+---
+bookCollapseSection: true
+weight: 20
+---
diff --git a/ctl/util/util.go b/ctl/util/util.go
index 21226991..4fcf5b02 100644
--- a/ctl/util/util.go
+++ b/ctl/util/util.go
@@ -19,13 +19,6 @@ func LoadSolutionsDir() ([]int, []string, int) {
 	return solutionIds, soNames, total - len(solutionIds)
 }
 
-// LoadChapterFourIds define
-func LoadChapterFourIds() ([]int, []string) {
-	solutionIds, soNames, _ := loadFile("../website/content/ChapterFour/")
-	fmt.Printf("读取了第四章 %v 道题的题解\n", len(solutionIds))
-	return solutionIds, soNames
-}
-
 func loadFile(path string) ([]int, []string, int) {
 	files, err := ioutil.ReadDir(path)
 	if err != nil {
@@ -51,22 +44,38 @@ func loadFile(path string) ([]int, []string, int) {
 	return solutionIds, soNames, len(files)
 }
 
+// GetAllFile define
+func GetAllFile(pathname string, fileList *[]string) ([]string, error) {
+	rd, err := ioutil.ReadDir(pathname)
+	for _, fi := range rd {
+		if fi.IsDir() {
+			//fmt.Printf("[%s]\n", pathname+"\\"+fi.Name())
+			GetAllFile(pathname+fi.Name()+"/", fileList)
+		} else {
+			//fmt.Println(fi.Name())
+			*fileList = append(*fileList, fi.Name())
+		}
+	}
+	return *fileList, err
+}
+
 // LoadChapterFourDir define
-func LoadChapterFourDir() []string {
-	files, err := ioutil.ReadDir("../website/content/ChapterFour/")
+func LoadChapterFourDir() ([]string, []int) {
+	files, err := GetAllFile("../website/content/ChapterFour/", &[]string{})
+	// files, err := ioutil.ReadDir("../website/content/ChapterFour/")
 	if err != nil {
 		fmt.Println(err)
 	}
 	solutions, solutionIds, solutionsMap := []string{}, []int{}, map[int]string{}
 	for _, f := range files {
-		if f.Name()[4] == '.' {
-			tmp, err := strconv.Atoi(f.Name()[:4])
+		if f[4] == '.' {
+			tmp, err := strconv.Atoi(f[:4])
 			if err != nil {
 				fmt.Println(err)
 			}
 			solutionIds = append(solutionIds, tmp)
 			// len(f.Name())-3 = 文件名去掉 .md 后缀
-			solutionsMap[tmp] = f.Name()[:len(f.Name())-3]
+			solutionsMap[tmp] = f[:len(f)-3]
 		}
 	}
 	sort.Ints(solutionIds)
@@ -76,7 +85,7 @@ func LoadChapterFourDir() []string {
 			solutions = append(solutions, name)
 		}
 	}
-	return solutions
+	return solutions, solutionIds
 }
 
 // WriteFile define
@@ -166,3 +175,11 @@ func BinarySearch(nums []int, target int) int {
 	}
 	return -1
 }
+
+// GetChpaterFourFileNum define
+func GetChpaterFourFileNum(num int) string {
+	if num < 100 {
+		return fmt.Sprintf("%04d~%04d", (num/100)*100+1, (num/100)*100+99)
+	}
+	return fmt.Sprintf("%04d~%04d", (num/100)*100, (num/100)*100+99)
+}
diff --git a/website/config.toml b/website/config.toml
index ce6e14c2..11ae9401 100644
--- a/website/config.toml
+++ b/website/config.toml
@@ -73,6 +73,10 @@ disablePathToLower = true
 #  weight = 30
 
 [params]
+  # (Optional, default light) Sets color theme: light, dark or auto.
+  # Theme 'auto' switches between dark and light modes based on browser/os preferences
+  BookTheme = 'light'
+
   # (Optional, default true) Controls table of contents visibility on right side of pages.
   # Start and end levels can be controlled with markup.tableOfContents setting.
   # You can also specify this parameter per page in front matter.
@@ -84,11 +88,11 @@ disablePathToLower = true
 
   # (Optional, default none) Set leaf bundle to render as side menu
   # When not specified file structure and weights will be used
-  BookMenuBundle = '/menu'
+  # BookMenuBundle = '/menu'
 
   # (Optional, default docs) Specify section of content to render as menu
   # You can also set value to '*' to render all sections to menu
-  BookSection = 'docs'
+  BookSection = '*'
 
   # Set source repository location.
   # Used for 'Last Modified' and 'Edit this page' links.
@@ -126,6 +130,10 @@ disablePathToLower = true
   # (Optional, experimental, default false) Enables service worker that caches visited pages and resources for offline use.
   BookServiceWorker = true
 
+  # /!\ This is an experimental feature, might be removed or changed at any time
+  # (Optional, experimental, default false) Enables a drop-down menu for translations only if a translation is present.
+  BookTranslatedOnly = false
+
 [params.gitalk] 
     clientID = "75d9d747f200c623a0e6" # Your client ID
     clientSecret = "e3cc2ff8d8f6ae3c894a827f226188de0d26f37e" # Your client secret
diff --git a/website/content/ChapterFour/0001.Two-Sum.md b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
similarity index 92%
rename from website/content/ChapterFour/0001.Two-Sum.md
rename to website/content/ChapterFour/0001~0099/0001.Two-Sum.md
index a45c6f51..d84bc7af 100644
--- a/website/content/ChapterFour/0001.Two-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
@@ -53,5 +53,5 @@ func twoSum(nums []int, target int) []int {
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterFour/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0002.Add-Two-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0002.Add-Two-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0002.Add-Two-Numbers.md b/website/content/ChapterFour/0001~0099/0002.Add-Two-Numbers.md
similarity index 91%
rename from website/content/ChapterFour/0002.Add-Two-Numbers.md
rename to website/content/ChapterFour/0001~0099/0002.Add-Two-Numbers.md
index 090c9379..a64c6a30 100644
--- a/website/content/ChapterFour/0002.Add-Two-Numbers.md
+++ b/website/content/ChapterFour/0001~0099/0002.Add-Two-Numbers.md
@@ -80,6 +80,6 @@ func addTwoNumbers(l1 *ListNode, l2 *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001.Two-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0001.Two-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md b/website/content/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md
similarity index 90%
rename from website/content/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md
rename to website/content/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md
index 19d3329b..d5406eff 100644
--- a/website/content/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md
+++ b/website/content/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md
@@ -126,6 +126,6 @@ func max(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0002.Add-Two-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0004.Median-of-Two-Sorted-Arrays/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0002.Add-Two-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md b/website/content/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md
similarity index 94%
rename from website/content/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md
rename to website/content/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md
index e8821397..828b60c5 100755
--- a/website/content/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md
+++ b/website/content/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md
@@ -100,6 +100,6 @@ func findMedianSortedArrays(nums1 []int, nums2 []int) float64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0007.Reverse-Integer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0007.Reverse-Integer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0007.Reverse-Integer.md b/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
similarity index 85%
rename from website/content/ChapterFour/0007.Reverse-Integer.md
rename to website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
index 6f8273ec..e1b82b46 100755
--- a/website/content/ChapterFour/0007.Reverse-Integer.md
+++ b/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
@@ -57,6 +57,6 @@ func reverse7(x int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0004.Median-of-Two-Sorted-Arrays/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0009.Palindrome-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0009.Palindrome-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0009.Palindrome-Number.md b/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
similarity index 85%
rename from website/content/ChapterFour/0009.Palindrome-Number.md
rename to website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
index b74c69ef..4941d13c 100644
--- a/website/content/ChapterFour/0009.Palindrome-Number.md
+++ b/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
@@ -71,6 +71,6 @@ func isPalindrome(x int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0007.Reverse-Integer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0011.Container-With-Most-Water/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0007.Reverse-Integer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0011.Container-With-Most-Water/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0011.Container-With-Most-Water.md b/website/content/ChapterFour/0001~0099/0011.Container-With-Most-Water.md
similarity index 87%
rename from website/content/ChapterFour/0011.Container-With-Most-Water.md
rename to website/content/ChapterFour/0001~0099/0011.Container-With-Most-Water.md
index 9591c9ef..7c40c781 100644
--- a/website/content/ChapterFour/0011.Container-With-Most-Water.md
+++ b/website/content/ChapterFour/0001~0099/0011.Container-With-Most-Water.md
@@ -61,6 +61,6 @@ func maxArea(height []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0009.Palindrome-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0013.Roman-to-Integer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0009.Palindrome-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0013.Roman-to-Integer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0013.Roman-to-Integer.md b/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
similarity index 93%
rename from website/content/ChapterFour/0013.Roman-to-Integer.md
rename to website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
index 5e5ece59..fd652aea 100644
--- a/website/content/ChapterFour/0013.Roman-to-Integer.md
+++ b/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
@@ -134,6 +134,6 @@ func romanToInt(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0011.Container-With-Most-Water/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0015.3Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0011.Container-With-Most-Water/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0015.3Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0015.3Sum.md b/website/content/ChapterFour/0001~0099/0015.3Sum.md
similarity index 93%
rename from website/content/ChapterFour/0015.3Sum.md
rename to website/content/ChapterFour/0001~0099/0015.3Sum.md
index 46dc2b4c..6de46982 100644
--- a/website/content/ChapterFour/0015.3Sum.md
+++ b/website/content/ChapterFour/0001~0099/0015.3Sum.md
@@ -120,6 +120,6 @@ func threeSum1(nums []int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0013.Roman-to-Integer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0016.3Sum-Closest/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0013.Roman-to-Integer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0016.3Sum-Closest/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0016.3Sum-Closest.md b/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
similarity index 91%
rename from website/content/ChapterFour/0016.3Sum-Closest.md
rename to website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
index 117a1935..447778b9 100644
--- a/website/content/ChapterFour/0016.3Sum-Closest.md
+++ b/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
@@ -91,6 +91,6 @@ func abs(a int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0015.3Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0015.3Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md b/website/content/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md
similarity index 93%
rename from website/content/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md
rename to website/content/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md
index e6cc6cf4..4bb0f769 100755
--- a/website/content/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md
+++ b/website/content/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md
@@ -146,6 +146,6 @@ func letterFunc(res string, digits string) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0016.3Sum-Closest/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0018.4Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0016.3Sum-Closest/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0018.4Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0018.4Sum.md b/website/content/ChapterFour/0001~0099/0018.4Sum.md
similarity index 92%
rename from website/content/ChapterFour/0018.4Sum.md
rename to website/content/ChapterFour/0001~0099/0018.4Sum.md
index 59682039..80186154 100644
--- a/website/content/ChapterFour/0018.4Sum.md
+++ b/website/content/ChapterFour/0001~0099/0018.4Sum.md
@@ -99,6 +99,6 @@ func fourSum(nums []int, target int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0019.Remove-Nth-Node-From-End-of-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md b/website/content/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md
similarity index 90%
rename from website/content/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md
rename to website/content/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md
index 28fe564c..0df460da 100644
--- a/website/content/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md
+++ b/website/content/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md
@@ -102,6 +102,6 @@ func removeNthFromEnd1(head *ListNode, n int) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0018.4Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0020.Valid-Parentheses/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0018.4Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0020.Valid-Parentheses/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0020.Valid-Parentheses.md b/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
similarity index 86%
rename from website/content/ChapterFour/0020.Valid-Parentheses.md
rename to website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
index 77b1b83b..f1a6faa2 100644
--- a/website/content/ChapterFour/0020.Valid-Parentheses.md
+++ b/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
@@ -98,6 +98,6 @@ func isValid(s string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0019.Remove-Nth-Node-From-End-of-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0021.Merge-Two-Sorted-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0021.Merge-Two-Sorted-Lists.md b/website/content/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md
similarity index 79%
rename from website/content/ChapterFour/0021.Merge-Two-Sorted-Lists.md
rename to website/content/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md
index dd007fe2..76cdbff7 100644
--- a/website/content/ChapterFour/0021.Merge-Two-Sorted-Lists.md
+++ b/website/content/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md
@@ -55,6 +55,6 @@ func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0020.Valid-Parentheses/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0022.Generate-Parentheses/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0020.Valid-Parentheses/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0022.Generate-Parentheses/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0022.Generate-Parentheses.md b/website/content/ChapterFour/0001~0099/0022.Generate-Parentheses.md
similarity index 85%
rename from website/content/ChapterFour/0022.Generate-Parentheses.md
rename to website/content/ChapterFour/0001~0099/0022.Generate-Parentheses.md
index 2188ce03..882fdd4b 100755
--- a/website/content/ChapterFour/0022.Generate-Parentheses.md
+++ b/website/content/ChapterFour/0001~0099/0022.Generate-Parentheses.md
@@ -62,6 +62,6 @@ func findGenerateParenthesis(lindex, rindex int, str string, res *[]string) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0021.Merge-Two-Sorted-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0023.Merge-k-Sorted-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0023.Merge-k-Sorted-Lists.md b/website/content/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md
similarity index 83%
rename from website/content/ChapterFour/0023.Merge-k-Sorted-Lists.md
rename to website/content/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md
index 78a8c5e9..d6c5ef8d 100644
--- a/website/content/ChapterFour/0023.Merge-k-Sorted-Lists.md
+++ b/website/content/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md
@@ -76,6 +76,6 @@ func mergeTwoLists1(l1 *ListNode, l2 *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0022.Generate-Parentheses/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0024.Swap-Nodes-in-Pairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0022.Generate-Parentheses/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0024.Swap-Nodes-in-Pairs.md b/website/content/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md
similarity index 83%
rename from website/content/ChapterFour/0024.Swap-Nodes-in-Pairs.md
rename to website/content/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md
index 7df959d3..3283b4a9 100644
--- a/website/content/ChapterFour/0024.Swap-Nodes-in-Pairs.md
+++ b/website/content/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md
@@ -73,6 +73,6 @@ func swapPairs(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0023.Merge-k-Sorted-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0025.Reverse-Nodes-in-k-Group/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0025.Reverse-Nodes-in-k-Group.md b/website/content/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md
similarity index 87%
rename from website/content/ChapterFour/0025.Reverse-Nodes-in-k-Group.md
rename to website/content/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md
index cca95bdf..417548b9 100644
--- a/website/content/ChapterFour/0025.Reverse-Nodes-in-k-Group.md
+++ b/website/content/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md
@@ -76,6 +76,6 @@ func reverse(first *ListNode, last *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0024.Swap-Nodes-in-Pairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md
similarity index 92%
rename from website/content/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md
rename to website/content/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md
index 0b32f0ad..6d603424 100644
--- a/website/content/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md
+++ b/website/content/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md
@@ -130,6 +130,6 @@ func removeElement1(nums []int, start, val int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0025.Reverse-Nodes-in-k-Group/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0027.Remove-Element/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0027.Remove-Element/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0027.Remove-Element.md b/website/content/ChapterFour/0001~0099/0027.Remove-Element.md
similarity index 90%
rename from website/content/ChapterFour/0027.Remove-Element.md
rename to website/content/ChapterFour/0001~0099/0027.Remove-Element.md
index 0dc8bb08..7f77f820 100644
--- a/website/content/ChapterFour/0027.Remove-Element.md
+++ b/website/content/ChapterFour/0001~0099/0027.Remove-Element.md
@@ -93,6 +93,6 @@ func removeElement(nums []int, val int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0028.Implement-strStr/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0028.Implement-strStr/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0028.Implement-strStr.md b/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
similarity index 86%
rename from website/content/ChapterFour/0028.Implement-strStr.md
rename to website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
index 9ab526ff..b7c44e24 100644
--- a/website/content/ChapterFour/0028.Implement-strStr.md
+++ b/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
@@ -88,6 +88,6 @@ func strStr1(haystack string, needle string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0027.Remove-Element/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0029.Divide-Two-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0027.Remove-Element/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0029.Divide-Two-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0029.Divide-Two-Integers.md b/website/content/ChapterFour/0001~0099/0029.Divide-Two-Integers.md
similarity index 94%
rename from website/content/ChapterFour/0029.Divide-Two-Integers.md
rename to website/content/ChapterFour/0001~0099/0029.Divide-Two-Integers.md
index 5ca4689f..aa5672d1 100755
--- a/website/content/ChapterFour/0029.Divide-Two-Integers.md
+++ b/website/content/ChapterFour/0001~0099/0029.Divide-Two-Integers.md
@@ -150,6 +150,6 @@ func divide1(divided int, divisor int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0028.Implement-strStr/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0030.Substring-with-Concatenation-of-All-Words/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0028.Implement-strStr/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md b/website/content/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md
similarity index 92%
rename from website/content/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md
rename to website/content/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md
index 6f6e762b..6494c1c9 100644
--- a/website/content/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md
+++ b/website/content/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md
@@ -100,6 +100,6 @@ func copyMap(s map[string]int) map[string]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0029.Divide-Two-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0033.Search-in-Rotated-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0029.Divide-Two-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md
similarity index 91%
rename from website/content/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md
rename to website/content/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md
index c31b5ed5..94fb9ab8 100755
--- a/website/content/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md
+++ b/website/content/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md
@@ -80,6 +80,6 @@ func search33(nums []int, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0030.Substring-with-Concatenation-of-All-Words/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md
similarity index 93%
rename from website/content/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md
rename to website/content/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md
index 5e5f850c..bed0481a 100755
--- a/website/content/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md
+++ b/website/content/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md
@@ -123,6 +123,6 @@ func searchLastLessElement(nums []int, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0033.Search-in-Rotated-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0035.Search-Insert-Position/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0035.Search-Insert-Position/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0035.Search-Insert-Position.md b/website/content/ChapterFour/0001~0099/0035.Search-Insert-Position.md
similarity index 84%
rename from website/content/ChapterFour/0035.Search-Insert-Position.md
rename to website/content/ChapterFour/0001~0099/0035.Search-Insert-Position.md
index 554f7c5f..ec99aca7 100755
--- a/website/content/ChapterFour/0035.Search-Insert-Position.md
+++ b/website/content/ChapterFour/0001~0099/0035.Search-Insert-Position.md
@@ -67,6 +67,6 @@ func searchInsert(nums []int, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0036.Valid-Sudoku/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0036.Valid-Sudoku/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0036.Valid-Sudoku.md b/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
similarity index 95%
rename from website/content/ChapterFour/0036.Valid-Sudoku.md
rename to website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
index b180ee60..68ad64cd 100755
--- a/website/content/ChapterFour/0036.Valid-Sudoku.md
+++ b/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
@@ -170,6 +170,6 @@ func isValidSudoku1(board [][]byte) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0035.Search-Insert-Position/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0037.Sudoku-Solver/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0035.Search-Insert-Position/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0037.Sudoku-Solver/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0037.Sudoku-Solver.md b/website/content/ChapterFour/0001~0099/0037.Sudoku-Solver.md
similarity index 93%
rename from website/content/ChapterFour/0037.Sudoku-Solver.md
rename to website/content/ChapterFour/0001~0099/0037.Sudoku-Solver.md
index da7a7c32..541b4efc 100755
--- a/website/content/ChapterFour/0037.Sudoku-Solver.md
+++ b/website/content/ChapterFour/0001~0099/0037.Sudoku-Solver.md
@@ -120,6 +120,6 @@ func checkSudoku(board *[][]byte, pos position, val int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0036.Valid-Sudoku/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0039.Combination-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0036.Valid-Sudoku/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0039.Combination-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0039.Combination-Sum.md b/website/content/ChapterFour/0001~0099/0039.Combination-Sum.md
similarity index 89%
rename from website/content/ChapterFour/0039.Combination-Sum.md
rename to website/content/ChapterFour/0001~0099/0039.Combination-Sum.md
index 4f5be48c..4681f48b 100755
--- a/website/content/ChapterFour/0039.Combination-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0039.Combination-Sum.md
@@ -89,6 +89,6 @@ func findcombinationSum(nums []int, target, index int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0037.Sudoku-Solver/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0040.Combination-Sum-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0037.Sudoku-Solver/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0040.Combination-Sum-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0040.Combination-Sum-II.md b/website/content/ChapterFour/0001~0099/0040.Combination-Sum-II.md
similarity index 90%
rename from website/content/ChapterFour/0040.Combination-Sum-II.md
rename to website/content/ChapterFour/0001~0099/0040.Combination-Sum-II.md
index 36ecc38a..4a0185ed 100755
--- a/website/content/ChapterFour/0040.Combination-Sum-II.md
+++ b/website/content/ChapterFour/0001~0099/0040.Combination-Sum-II.md
@@ -91,6 +91,6 @@ func findcombinationSum2(nums []int, target, index int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0039.Combination-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0041.First-Missing-Positive/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0039.Combination-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0041.First-Missing-Positive/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0041.First-Missing-Positive.md b/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
similarity index 82%
rename from website/content/ChapterFour/0041.First-Missing-Positive.md
rename to website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
index 6e3915d0..6ab60da3 100644
--- a/website/content/ChapterFour/0041.First-Missing-Positive.md
+++ b/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
@@ -68,6 +68,6 @@ func firstMissingPositive(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0040.Combination-Sum-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0042.Trapping-Rain-Water/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0040.Combination-Sum-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0042.Trapping-Rain-Water/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0042.Trapping-Rain-Water.md b/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
similarity index 93%
rename from website/content/ChapterFour/0042.Trapping-Rain-Water.md
rename to website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
index a16a2890..c4bb98d4 100644
--- a/website/content/ChapterFour/0042.Trapping-Rain-Water.md
+++ b/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
@@ -63,6 +63,6 @@ func trap(height []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0041.First-Missing-Positive/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0046.Permutations/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0041.First-Missing-Positive/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0046.Permutations/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0046.Permutations.md b/website/content/ChapterFour/0001~0099/0046.Permutations.md
similarity index 84%
rename from website/content/ChapterFour/0046.Permutations.md
rename to website/content/ChapterFour/0001~0099/0046.Permutations.md
index 1be0d0d2..28369b77 100755
--- a/website/content/ChapterFour/0046.Permutations.md
+++ b/website/content/ChapterFour/0001~0099/0046.Permutations.md
@@ -68,6 +68,6 @@ func generatePermutation(nums []int, index int, p []int, res *[][]int, used *[]b
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0042.Trapping-Rain-Water/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0047.Permutations-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0042.Trapping-Rain-Water/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0047.Permutations-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0047.Permutations-II.md b/website/content/ChapterFour/0001~0099/0047.Permutations-II.md
similarity index 88%
rename from website/content/ChapterFour/0047.Permutations-II.md
rename to website/content/ChapterFour/0001~0099/0047.Permutations-II.md
index cd0a38d8..e6aaccdf 100755
--- a/website/content/ChapterFour/0047.Permutations-II.md
+++ b/website/content/ChapterFour/0001~0099/0047.Permutations-II.md
@@ -72,6 +72,6 @@ func generatePermutation47(nums []int, index int, p []int, res *[][]int, used *[
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0046.Permutations/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0048.Rotate-Image/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0046.Permutations/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0048.Rotate-Image/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0048.Rotate-Image.md b/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
similarity index 93%
rename from website/content/ChapterFour/0048.Rotate-Image.md
rename to website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
index 2913142a..4cddaa55 100755
--- a/website/content/ChapterFour/0048.Rotate-Image.md
+++ b/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
@@ -129,6 +129,6 @@ func rotate(matrix [][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0047.Permutations-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0049.Group-Anagrams/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0047.Permutations-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0049.Group-Anagrams/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0049.Group-Anagrams.md b/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
similarity index 88%
rename from website/content/ChapterFour/0049.Group-Anagrams.md
rename to website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
index 0fe588da..d677466d 100644
--- a/website/content/ChapterFour/0049.Group-Anagrams.md
+++ b/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
@@ -74,6 +74,6 @@ func groupAnagrams(strs []string) [][]string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0048.Rotate-Image/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0050.Powx-n/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0048.Rotate-Image/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0050.Powx-n/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0050.Powx-n.md b/website/content/ChapterFour/0001~0099/0050.Powx-n.md
similarity index 84%
rename from website/content/ChapterFour/0050.Powx-n.md
rename to website/content/ChapterFour/0001~0099/0050.Powx-n.md
index c4a4cc04..714c1861 100755
--- a/website/content/ChapterFour/0050.Powx-n.md
+++ b/website/content/ChapterFour/0001~0099/0050.Powx-n.md
@@ -71,6 +71,6 @@ func myPow(x float64, n int) float64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0049.Group-Anagrams/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0051.N-Queens/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0049.Group-Anagrams/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0051.N-Queens/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0051.N-Queens.md b/website/content/ChapterFour/0001~0099/0051.N-Queens.md
similarity index 94%
rename from website/content/ChapterFour/0051.N-Queens.md
rename to website/content/ChapterFour/0001~0099/0051.N-Queens.md
index a139bf0b..d2d8dbe8 100755
--- a/website/content/ChapterFour/0051.N-Queens.md
+++ b/website/content/ChapterFour/0001~0099/0051.N-Queens.md
@@ -136,6 +136,6 @@ func generateBoard(n int, row *[]int) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0050.Powx-n/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0052.N-Queens-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0050.Powx-n/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0052.N-Queens-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0052.N-Queens-II.md b/website/content/ChapterFour/0001~0099/0052.N-Queens-II.md
similarity index 92%
rename from website/content/ChapterFour/0052.N-Queens-II.md
rename to website/content/ChapterFour/0001~0099/0052.N-Queens-II.md
index 16aa957d..4bf016f1 100755
--- a/website/content/ChapterFour/0052.N-Queens-II.md
+++ b/website/content/ChapterFour/0001~0099/0052.N-Queens-II.md
@@ -109,6 +109,6 @@ func putQueen52(n, index int, col, dia1, dia2 *[]bool, row *[]int, res *int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0051.N-Queens/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0053.Maximum-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0051.N-Queens/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0053.Maximum-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0053.Maximum-Subarray.md b/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
similarity index 88%
rename from website/content/ChapterFour/0053.Maximum-Subarray.md
rename to website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
index ada3aaa0..a0248127 100755
--- a/website/content/ChapterFour/0053.Maximum-Subarray.md
+++ b/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
@@ -77,6 +77,6 @@ func maxSubArray1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0052.N-Queens-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0054.Spiral-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0052.N-Queens-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0054.Spiral-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0054.Spiral-Matrix.md b/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
similarity index 93%
rename from website/content/ChapterFour/0054.Spiral-Matrix.md
rename to website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
index f4207db7..5d75a8e6 100755
--- a/website/content/ChapterFour/0054.Spiral-Matrix.md
+++ b/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
@@ -167,6 +167,6 @@ func spiralOrder2(matrix [][]int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0053.Maximum-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0055.Jump-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0053.Maximum-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0055.Jump-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0055.Jump-Game.md b/website/content/ChapterFour/0001~0099/0055.Jump-Game.md
similarity index 88%
rename from website/content/ChapterFour/0055.Jump-Game.md
rename to website/content/ChapterFour/0001~0099/0055.Jump-Game.md
index f7728173..a34c5d26 100644
--- a/website/content/ChapterFour/0055.Jump-Game.md
+++ b/website/content/ChapterFour/0001~0099/0055.Jump-Game.md
@@ -60,6 +60,6 @@ func canJump(nums []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0054.Spiral-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0056.Merge-Intervals/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0054.Spiral-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0056.Merge-Intervals/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0056.Merge-Intervals.md b/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
similarity index 89%
rename from website/content/ChapterFour/0056.Merge-Intervals.md
rename to website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
index bf424015..236c252f 100644
--- a/website/content/ChapterFour/0056.Merge-Intervals.md
+++ b/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
@@ -111,6 +111,6 @@ func quickSort(a []Interval, lo, hi int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0055.Jump-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0057.Insert-Interval/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0055.Jump-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0057.Insert-Interval/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0057.Insert-Interval.md b/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
similarity index 89%
rename from website/content/ChapterFour/0057.Insert-Interval.md
rename to website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
index 77957dd9..9aef7db1 100644
--- a/website/content/ChapterFour/0057.Insert-Interval.md
+++ b/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
@@ -77,6 +77,6 @@ func insert(intervals []Interval, newInterval Interval) []Interval {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0056.Merge-Intervals/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0059.Spiral-Matrix-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0056.Merge-Intervals/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0059.Spiral-Matrix-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0059.Spiral-Matrix-II.md b/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
similarity index 89%
rename from website/content/ChapterFour/0059.Spiral-Matrix-II.md
rename to website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
index 763affe6..f9d5f999 100755
--- a/website/content/ChapterFour/0059.Spiral-Matrix-II.md
+++ b/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
@@ -96,6 +96,6 @@ func generateMatrix(n int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0057.Insert-Interval/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0060.Permutation-Sequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0057.Insert-Interval/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0060.Permutation-Sequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0060.Permutation-Sequence.md b/website/content/ChapterFour/0001~0099/0060.Permutation-Sequence.md
similarity index 89%
rename from website/content/ChapterFour/0060.Permutation-Sequence.md
rename to website/content/ChapterFour/0001~0099/0060.Permutation-Sequence.md
index 67889293..ea18f695 100755
--- a/website/content/ChapterFour/0060.Permutation-Sequence.md
+++ b/website/content/ChapterFour/0001~0099/0060.Permutation-Sequence.md
@@ -98,6 +98,6 @@ func findPermutation(n, index int, k *int, p []int, res *string, used *[]bool) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0059.Spiral-Matrix-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0061.Rotate-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0059.Spiral-Matrix-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0061.Rotate-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0061.Rotate-List.md b/website/content/ChapterFour/0001~0099/0061.Rotate-List.md
similarity index 88%
rename from website/content/ChapterFour/0061.Rotate-List.md
rename to website/content/ChapterFour/0001~0099/0061.Rotate-List.md
index f4adedb5..9a0da026 100644
--- a/website/content/ChapterFour/0061.Rotate-List.md
+++ b/website/content/ChapterFour/0001~0099/0061.Rotate-List.md
@@ -83,6 +83,6 @@ func rotateRight(head *ListNode, k int) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0060.Permutation-Sequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0062.Unique-Paths/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0060.Permutation-Sequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0062.Unique-Paths/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0062.Unique-Paths.md b/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
similarity index 89%
rename from website/content/ChapterFour/0062.Unique-Paths.md
rename to website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
index a0dce700..e2023e49 100755
--- a/website/content/ChapterFour/0062.Unique-Paths.md
+++ b/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
@@ -71,6 +71,6 @@ func uniquePaths(m int, n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0061.Rotate-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0063.Unique-Paths-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0061.Rotate-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0063.Unique-Paths-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0063.Unique-Paths-II.md b/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
similarity index 91%
rename from website/content/ChapterFour/0063.Unique-Paths-II.md
rename to website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
index 6038f50c..b5353ca8 100755
--- a/website/content/ChapterFour/0063.Unique-Paths-II.md
+++ b/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
@@ -82,6 +82,6 @@ func uniquePathsWithObstacles(obstacleGrid [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0062.Unique-Paths/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0064.Minimum-Path-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0062.Unique-Paths/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0064.Minimum-Path-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0064.Minimum-Path-Sum.md b/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
similarity index 91%
rename from website/content/ChapterFour/0064.Minimum-Path-Sum.md
rename to website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
index c39e60cf..e0fcb093 100755
--- a/website/content/ChapterFour/0064.Minimum-Path-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
@@ -95,6 +95,6 @@ func minPathSum1(grid [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0063.Unique-Paths-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0066.Plus-One/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0063.Unique-Paths-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0066.Plus-One/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0066.Plus-One.md b/website/content/ChapterFour/0001~0099/0066.Plus-One.md
similarity index 88%
rename from website/content/ChapterFour/0066.Plus-One.md
rename to website/content/ChapterFour/0001~0099/0066.Plus-One.md
index 6cc9b1e3..5efcd9eb 100755
--- a/website/content/ChapterFour/0066.Plus-One.md
+++ b/website/content/ChapterFour/0001~0099/0066.Plus-One.md
@@ -65,6 +65,6 @@ func plusOne(digits []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0064.Minimum-Path-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0067.Add-Binary/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0064.Minimum-Path-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0067.Add-Binary/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0067.Add-Binary.md b/website/content/ChapterFour/0001~0099/0067.Add-Binary.md
similarity index 86%
rename from website/content/ChapterFour/0067.Add-Binary.md
rename to website/content/ChapterFour/0001~0099/0067.Add-Binary.md
index 74af33b2..f685c258 100644
--- a/website/content/ChapterFour/0067.Add-Binary.md
+++ b/website/content/ChapterFour/0001~0099/0067.Add-Binary.md
@@ -78,6 +78,6 @@ func addBinary(a string, b string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0066.Plus-One/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0069.Sqrtx/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0066.Plus-One/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0069.Sqrtx/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0069.Sqrtx.md b/website/content/ChapterFour/0001~0099/0069.Sqrtx.md
similarity index 91%
rename from website/content/ChapterFour/0069.Sqrtx.md
rename to website/content/ChapterFour/0001~0099/0069.Sqrtx.md
index ff8d8742..acc9ddcb 100755
--- a/website/content/ChapterFour/0069.Sqrtx.md
+++ b/website/content/ChapterFour/0001~0099/0069.Sqrtx.md
@@ -93,6 +93,6 @@ func mySqrt1(x int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0067.Add-Binary/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0070.Climbing-Stairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0067.Add-Binary/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0070.Climbing-Stairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0070.Climbing-Stairs.md b/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
similarity index 85%
rename from website/content/ChapterFour/0070.Climbing-Stairs.md
rename to website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
index 8f8ed262..274f7e02 100755
--- a/website/content/ChapterFour/0070.Climbing-Stairs.md
+++ b/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
@@ -57,6 +57,6 @@ func climbStairs(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0069.Sqrtx/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0071.Simplify-Path/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0069.Sqrtx/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0071.Simplify-Path/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0071.Simplify-Path.md b/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
similarity index 91%
rename from website/content/ChapterFour/0071.Simplify-Path.md
rename to website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
index e716cd11..4b175500 100644
--- a/website/content/ChapterFour/0071.Simplify-Path.md
+++ b/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
@@ -119,6 +119,6 @@ func simplifyPath1(path string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0070.Climbing-Stairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0074.Search-a-2D-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0070.Climbing-Stairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0074.Search-a-2D-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0074.Search-a-2D-Matrix.md b/website/content/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md
similarity index 89%
rename from website/content/ChapterFour/0074.Search-a-2D-Matrix.md
rename to website/content/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md
index d84a1b1e..326c9043 100755
--- a/website/content/ChapterFour/0074.Search-a-2D-Matrix.md
+++ b/website/content/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md
@@ -74,6 +74,6 @@ func searchMatrix(matrix [][]int, target int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0071.Simplify-Path/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0075.Sort-Colors/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0071.Simplify-Path/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0075.Sort-Colors/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0075.Sort-Colors.md b/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
similarity index 90%
rename from website/content/ChapterFour/0075.Sort-Colors.md
rename to website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
index d9653fc9..f6248f14 100644
--- a/website/content/ChapterFour/0075.Sort-Colors.md
+++ b/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
@@ -74,6 +74,6 @@ func sortColors(nums []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0074.Search-a-2D-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0076.Minimum-Window-Substring/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0074.Search-a-2D-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0076.Minimum-Window-Substring/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0076.Minimum-Window-Substring.md b/website/content/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md
similarity index 90%
rename from website/content/ChapterFour/0076.Minimum-Window-Substring.md
rename to website/content/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md
index 5ac08bf8..906f8ae3 100644
--- a/website/content/ChapterFour/0076.Minimum-Window-Substring.md
+++ b/website/content/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md
@@ -78,6 +78,6 @@ func minWindow(s string, t string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0075.Sort-Colors/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0077.Combinations/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0075.Sort-Colors/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0077.Combinations/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0077.Combinations.md b/website/content/ChapterFour/0001~0099/0077.Combinations.md
similarity index 83%
rename from website/content/ChapterFour/0077.Combinations.md
rename to website/content/ChapterFour/0001~0099/0077.Combinations.md
index c9c88ed6..19ff4112 100755
--- a/website/content/ChapterFour/0077.Combinations.md
+++ b/website/content/ChapterFour/0001~0099/0077.Combinations.md
@@ -62,6 +62,6 @@ func generateCombinations(n, k, start int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0076.Minimum-Window-Substring/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0078.Subsets/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0076.Minimum-Window-Substring/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0078.Subsets/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0078.Subsets.md b/website/content/ChapterFour/0001~0099/0078.Subsets.md
similarity index 90%
rename from website/content/ChapterFour/0078.Subsets.md
rename to website/content/ChapterFour/0001~0099/0078.Subsets.md
index 32aa9d48..f0ccb142 100755
--- a/website/content/ChapterFour/0078.Subsets.md
+++ b/website/content/ChapterFour/0001~0099/0078.Subsets.md
@@ -107,6 +107,6 @@ func subsets2(nums []int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0077.Combinations/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0079.Word-Search/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0077.Combinations/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0079.Word-Search/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0079.Word-Search.md b/website/content/ChapterFour/0001~0099/0079.Word-Search.md
similarity index 89%
rename from website/content/ChapterFour/0079.Word-Search.md
rename to website/content/ChapterFour/0001~0099/0079.Word-Search.md
index 62c03768..d8d123f4 100755
--- a/website/content/ChapterFour/0079.Word-Search.md
+++ b/website/content/ChapterFour/0001~0099/0079.Word-Search.md
@@ -85,6 +85,6 @@ func searchWord(board [][]byte, visited [][]bool, word string, index, x, y int)
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0078.Subsets/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0078.Subsets/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md b/website/content/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md
similarity index 92%
rename from website/content/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md
rename to website/content/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md
index 36438895..4bec7529 100644
--- a/website/content/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md
+++ b/website/content/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md
@@ -107,6 +107,6 @@ func removeDuplicates80(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0079.Word-Search/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0079.Word-Search/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md b/website/content/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md
similarity index 90%
rename from website/content/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md
rename to website/content/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md
index e7dad91f..7ed0474b 100755
--- a/website/content/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md
+++ b/website/content/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md
@@ -87,6 +87,6 @@ func search(nums []int, target int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II.md b/website/content/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md
similarity index 93%
rename from website/content/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II.md
rename to website/content/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md
index d0dc28f7..4cbc0bf8 100644
--- a/website/content/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II.md
+++ b/website/content/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md
@@ -193,6 +193,6 @@ func deleteDuplicates4(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0083.Remove-Duplicates-from-Sorted-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0083.Remove-Duplicates-from-Sorted-List.md b/website/content/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md
similarity index 79%
rename from website/content/ChapterFour/0083.Remove-Duplicates-from-Sorted-List.md
rename to website/content/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md
index fd662034..434449c9 100644
--- a/website/content/ChapterFour/0083.Remove-Duplicates-from-Sorted-List.md
+++ b/website/content/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md
@@ -68,6 +68,6 @@ func deleteDuplicates(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0084.Largest-Rectangle-in-Histogram/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0084.Largest-Rectangle-in-Histogram.md b/website/content/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md
similarity index 90%
rename from website/content/ChapterFour/0084.Largest-Rectangle-in-Histogram.md
rename to website/content/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md
index f50d91ad..5937127d 100644
--- a/website/content/ChapterFour/0084.Largest-Rectangle-in-Histogram.md
+++ b/website/content/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md
@@ -77,6 +77,6 @@ func largestRectangleArea(heights []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0083.Remove-Duplicates-from-Sorted-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0086.Partition-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0086.Partition-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0086.Partition-List.md b/website/content/ChapterFour/0001~0099/0086.Partition-List.md
similarity index 93%
rename from website/content/ChapterFour/0086.Partition-List.md
rename to website/content/ChapterFour/0001~0099/0086.Partition-List.md
index 540430a3..de6bb8fc 100644
--- a/website/content/ChapterFour/0086.Partition-List.md
+++ b/website/content/ChapterFour/0001~0099/0086.Partition-List.md
@@ -150,6 +150,6 @@ func genListNode(head *DoublyListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0084.Largest-Rectangle-in-Histogram/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0088.Merge-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0088.Merge-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0088.Merge-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md
similarity index 88%
rename from website/content/ChapterFour/0088.Merge-Sorted-Array.md
rename to website/content/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md
index 500295f6..de014f8c 100644
--- a/website/content/ChapterFour/0088.Merge-Sorted-Array.md
+++ b/website/content/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md
@@ -71,6 +71,6 @@ func merge(nums1 []int, m int, nums2 []int, n int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0086.Partition-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0089.Gray-Code/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0086.Partition-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0089.Gray-Code/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0089.Gray-Code.md b/website/content/ChapterFour/0001~0099/0089.Gray-Code.md
similarity index 92%
rename from website/content/ChapterFour/0089.Gray-Code.md
rename to website/content/ChapterFour/0001~0099/0089.Gray-Code.md
index df616ebc..63b2e39a 100755
--- a/website/content/ChapterFour/0089.Gray-Code.md
+++ b/website/content/ChapterFour/0001~0099/0089.Gray-Code.md
@@ -119,6 +119,6 @@ func grayCode1(n int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0088.Merge-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0090.Subsets-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0088.Merge-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0090.Subsets-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0090.Subsets-II.md b/website/content/ChapterFour/0001~0099/0090.Subsets-II.md
similarity index 89%
rename from website/content/ChapterFour/0090.Subsets-II.md
rename to website/content/ChapterFour/0001~0099/0090.Subsets-II.md
index 77b974db..73c331b1 100755
--- a/website/content/ChapterFour/0090.Subsets-II.md
+++ b/website/content/ChapterFour/0001~0099/0090.Subsets-II.md
@@ -78,6 +78,6 @@ func generateSubsetsWithDup(nums []int, k, start int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0089.Gray-Code/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0091.Decode-Ways/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0089.Gray-Code/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0091.Decode-Ways/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0091.Decode-Ways.md b/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
similarity index 89%
rename from website/content/ChapterFour/0091.Decode-Ways.md
rename to website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
index ccf85684..6bb4b168 100755
--- a/website/content/ChapterFour/0091.Decode-Ways.md
+++ b/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
@@ -84,6 +84,6 @@ func numDecodings(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0090.Subsets-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0092.Reverse-Linked-List-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0090.Subsets-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0092.Reverse-Linked-List-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0092.Reverse-Linked-List-II.md b/website/content/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md
similarity index 88%
rename from website/content/ChapterFour/0092.Reverse-Linked-List-II.md
rename to website/content/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md
index ea62d1f1..d7f3dc7e 100644
--- a/website/content/ChapterFour/0092.Reverse-Linked-List-II.md
+++ b/website/content/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md
@@ -67,6 +67,6 @@ func reverseBetween(head *ListNode, m int, n int) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0091.Decode-Ways/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0093.Restore-IP-Addresses/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0091.Decode-Ways/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0093.Restore-IP-Addresses/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0093.Restore-IP-Addresses.md b/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
similarity index 86%
rename from website/content/ChapterFour/0093.Restore-IP-Addresses.md
rename to website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
index f4c862d9..ba641bfe 100755
--- a/website/content/ChapterFour/0093.Restore-IP-Addresses.md
+++ b/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
@@ -80,6 +80,6 @@ func getString(ip []int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0092.Reverse-Linked-List-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0094.Binary-Tree-Inorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0092.Reverse-Linked-List-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md b/website/content/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md
similarity index 80%
rename from website/content/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md
rename to website/content/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md
index 68f2997d..7656edd6 100644
--- a/website/content/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md
+++ b/website/content/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md
@@ -75,6 +75,6 @@ func inorder(root *TreeNode, output *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0093.Restore-IP-Addresses/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0095.Unique-Binary-Search-Trees-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0093.Restore-IP-Addresses/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0095.Unique-Binary-Search-Trees-II.md b/website/content/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md
similarity index 87%
rename from website/content/ChapterFour/0095.Unique-Binary-Search-Trees-II.md
rename to website/content/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md
index 8bb74436..4ba09dfd 100755
--- a/website/content/ChapterFour/0095.Unique-Binary-Search-Trees-II.md
+++ b/website/content/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md
@@ -80,6 +80,6 @@ func generateBSTree(start, end int) []*TreeNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0094.Binary-Tree-Inorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0096.Unique-Binary-Search-Trees/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0096.Unique-Binary-Search-Trees.md b/website/content/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md
similarity index 89%
rename from website/content/ChapterFour/0096.Unique-Binary-Search-Trees.md
rename to website/content/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md
index 216f7084..688a3d0a 100755
--- a/website/content/ChapterFour/0096.Unique-Binary-Search-Trees.md
+++ b/website/content/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md
@@ -55,6 +55,6 @@ func numTrees(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0095.Unique-Binary-Search-Trees-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0098.Validate-Binary-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0098.Validate-Binary-Search-Tree.md b/website/content/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md
similarity index 90%
rename from website/content/ChapterFour/0098.Validate-Binary-Search-Tree.md
rename to website/content/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md
index d95b7e82..7c124715 100755
--- a/website/content/ChapterFour/0098.Validate-Binary-Search-Tree.md
+++ b/website/content/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md
@@ -101,6 +101,6 @@ func inOrder(root *TreeNode, arr *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0096.Unique-Binary-Search-Trees/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0099.Recover-Binary-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0099.Recover-Binary-Search-Tree.md b/website/content/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md
similarity index 93%
rename from website/content/ChapterFour/0099.Recover-Binary-Search-Tree.md
rename to website/content/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md
index 4ec788c7..4a28ea15 100755
--- a/website/content/ChapterFour/0099.Recover-Binary-Search-Tree.md
+++ b/website/content/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md
@@ -103,6 +103,6 @@ func inOrderTraverse(root, prev, target1, target2 *TreeNode) (*TreeNode, *TreeNo
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0098.Validate-Binary-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100.Same-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0100.Same-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0001~0099/_index.md b/website/content/ChapterFour/0001~0099/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0001~0099/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0100.Same-Tree.md b/website/content/ChapterFour/0100~0199/0100.Same-Tree.md
similarity index 85%
rename from website/content/ChapterFour/0100.Same-Tree.md
rename to website/content/ChapterFour/0100~0199/0100.Same-Tree.md
index e714cda2..90227a8e 100644
--- a/website/content/ChapterFour/0100.Same-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0100.Same-Tree.md
@@ -94,6 +94,6 @@ func isSameTree(p *TreeNode, q *TreeNode) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0099.Recover-Binary-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0101.Symmetric-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0101.Symmetric-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0101.Symmetric-Tree.md b/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
similarity index 87%
rename from website/content/ChapterFour/0101.Symmetric-Tree.md
rename to website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
index 21b4dc1a..4c55bcce 100644
--- a/website/content/ChapterFour/0101.Symmetric-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
@@ -73,6 +73,6 @@ func isSymmetric(root *TreeNode) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100.Same-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0102.Binary-Tree-Level-Order-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0100.Same-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md b/website/content/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md
similarity index 88%
rename from website/content/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md
rename to website/content/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md
index e00a4646..127602e4 100644
--- a/website/content/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md
@@ -117,6 +117,6 @@ func dfsLevel(node *TreeNode, level int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0101.Symmetric-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0101.Symmetric-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md b/website/content/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
similarity index 90%
rename from website/content/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
rename to website/content/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
index 110306c8..85d16fb8 100644
--- a/website/content/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
@@ -128,6 +128,6 @@ func search(root *TreeNode, depth int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0102.Binary-Tree-Level-Order-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0104.Maximum-Depth-of-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md
similarity index 78%
rename from website/content/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md
rename to website/content/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md
index 8529be03..36d39f9f 100644
--- a/website/content/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md
@@ -62,6 +62,6 @@ func maxDepth(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md b/website/content/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
similarity index 86%
rename from website/content/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
rename to website/content/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
index 4a77e74b..5de3c4e4 100755
--- a/website/content/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
@@ -75,6 +75,6 @@ func buildPreIn2TreeDFS(pre []int, preStart int, preEnd int, inStart int, inPos
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0104.Maximum-Depth-of-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md b/website/content/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
similarity index 86%
rename from website/content/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
rename to website/content/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
index fefec6b0..77b102d5 100755
--- a/website/content/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md
@@ -73,6 +73,6 @@ func buildInPos2TreeDFS(post []int, postStart int, postEnd int, inStart int, inP
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md b/website/content/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md
similarity index 78%
rename from website/content/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md
rename to website/content/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md
index 1003bee3..172e977b 100644
--- a/website/content/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md
+++ b/website/content/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md
@@ -72,6 +72,6 @@ func levelOrderBottom(root *TreeNode) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md b/website/content/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
similarity index 84%
rename from website/content/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
rename to website/content/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
index 6b440de7..3ed5eb09 100755
--- a/website/content/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
@@ -54,6 +54,6 @@ func sortedArrayToBST(nums []int) *TreeNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md b/website/content/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
similarity index 89%
rename from website/content/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
rename to website/content/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
index 9ae35afd..dd85b3b1 100644
--- a/website/content/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
@@ -99,6 +99,6 @@ func middleNodeAndPreNode(head *ListNode) (middle *ListNode, pre *ListNode) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0110.Balanced-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0110.Balanced-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0110.Balanced-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
similarity index 84%
rename from website/content/ChapterFour/0110.Balanced-Binary-Tree.md
rename to website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
index 779fae8f..3aad9436 100644
--- a/website/content/ChapterFour/0110.Balanced-Binary-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
@@ -92,6 +92,6 @@ func depth(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0111.Minimum-Depth-of-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md
similarity index 85%
rename from website/content/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md
rename to website/content/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md
index d3bd4f1b..54530d51 100755
--- a/website/content/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md
@@ -64,6 +64,6 @@ func minDepth(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0110.Balanced-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0112.Path-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0110.Balanced-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0112.Path-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0112.Path-Sum.md b/website/content/ChapterFour/0100~0199/0112.Path-Sum.md
similarity index 84%
rename from website/content/ChapterFour/0112.Path-Sum.md
rename to website/content/ChapterFour/0100~0199/0112.Path-Sum.md
index f3fcce0f..5964900a 100755
--- a/website/content/ChapterFour/0112.Path-Sum.md
+++ b/website/content/ChapterFour/0100~0199/0112.Path-Sum.md
@@ -61,6 +61,6 @@ func hasPathSum(root *TreeNode, sum int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0111.Minimum-Depth-of-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0113.Path-Sum-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0113.Path-Sum-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0113.Path-Sum-II.md b/website/content/ChapterFour/0100~0199/0113.Path-Sum-II.md
similarity index 90%
rename from website/content/ChapterFour/0113.Path-Sum-II.md
rename to website/content/ChapterFour/0100~0199/0113.Path-Sum-II.md
index e975e8a1..2b6927ff 100755
--- a/website/content/ChapterFour/0113.Path-Sum-II.md
+++ b/website/content/ChapterFour/0100~0199/0113.Path-Sum-II.md
@@ -110,6 +110,6 @@ func pathSum1(root *TreeNode, sum int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0112.Path-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0112.Path-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md b/website/content/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md
similarity index 93%
rename from website/content/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md
rename to website/content/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md
index e80d351b..9fb6278a 100755
--- a/website/content/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md
+++ b/website/content/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md
@@ -193,6 +193,6 @@ func flatten2(root *TreeNode) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0113.Path-Sum-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0118.Pascals-Triangle/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0113.Path-Sum-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0118.Pascals-Triangle/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0118.Pascals-Triangle.md b/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
similarity index 83%
rename from website/content/ChapterFour/0118.Pascals-Triangle.md
rename to website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
index 36a16f50..5c65a888 100644
--- a/website/content/ChapterFour/0118.Pascals-Triangle.md
+++ b/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
@@ -62,6 +62,6 @@ func generate(numRows int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0120.Triangle/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0120.Triangle/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0120.Triangle.md b/website/content/ChapterFour/0100~0199/0120.Triangle.md
similarity index 89%
rename from website/content/ChapterFour/0120.Triangle.md
rename to website/content/ChapterFour/0100~0199/0120.Triangle.md
index 473cfa62..4561de92 100755
--- a/website/content/ChapterFour/0120.Triangle.md
+++ b/website/content/ChapterFour/0100~0199/0120.Triangle.md
@@ -91,6 +91,6 @@ func minimumTotal1(triangle [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0118.Pascals-Triangle/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0118.Pascals-Triangle/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md b/website/content/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md
similarity index 89%
rename from website/content/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md
rename to website/content/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md
index 0ec5db6b..b08d1fd2 100755
--- a/website/content/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md
+++ b/website/content/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md
@@ -84,6 +84,6 @@ func maxProfit1(prices []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0120.Triangle/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0120.Triangle/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II.md b/website/content/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II.md
similarity index 90%
rename from website/content/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II.md
rename to website/content/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II.md
index 241e31bc..93d77d36 100755
--- a/website/content/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II.md
+++ b/website/content/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II.md
@@ -62,6 +62,6 @@ func maxProfit122(prices []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md b/website/content/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md
similarity index 89%
rename from website/content/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md
rename to website/content/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md
index 665d167c..51e96ff6 100755
--- a/website/content/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md
+++ b/website/content/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md
@@ -82,6 +82,6 @@ func getPathSum(root *TreeNode, maxSum *int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0125.Valid-Palindrome/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0125.Valid-Palindrome/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0125.Valid-Palindrome.md b/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
similarity index 83%
rename from website/content/ChapterFour/0125.Valid-Palindrome.md
rename to website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
index bc19bb4d..b0c7257a 100644
--- a/website/content/ChapterFour/0125.Valid-Palindrome.md
+++ b/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
@@ -69,6 +69,6 @@ func isChar(c byte) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0126.Word-Ladder-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0126.Word-Ladder-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0126.Word-Ladder-II.md b/website/content/ChapterFour/0100~0199/0126.Word-Ladder-II.md
similarity index 94%
rename from website/content/ChapterFour/0126.Word-Ladder-II.md
rename to website/content/ChapterFour/0100~0199/0126.Word-Ladder-II.md
index a296cf23..e1d328a5 100755
--- a/website/content/ChapterFour/0126.Word-Ladder-II.md
+++ b/website/content/ChapterFour/0100~0199/0126.Word-Ladder-II.md
@@ -132,6 +132,6 @@ func findLadders(beginWord string, endWord string, wordList []string) [][]string
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0125.Valid-Palindrome/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0127.Word-Ladder/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0125.Valid-Palindrome/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0127.Word-Ladder/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0127.Word-Ladder.md b/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
similarity index 93%
rename from website/content/ChapterFour/0127.Word-Ladder.md
rename to website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
index dbeebb29..7a7db0e8 100755
--- a/website/content/ChapterFour/0127.Word-Ladder.md
+++ b/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
@@ -123,6 +123,6 @@ func getCandidates(word string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0126.Word-Ladder-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0128.Longest-Consecutive-Sequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0126.Word-Ladder-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0128.Longest-Consecutive-Sequence.md b/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
similarity index 94%
rename from website/content/ChapterFour/0128.Longest-Consecutive-Sequence.md
rename to website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
index e8d9307c..ef76f90d 100755
--- a/website/content/ChapterFour/0128.Longest-Consecutive-Sequence.md
+++ b/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
@@ -141,6 +141,6 @@ func longestConsecutive2(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0127.Word-Ladder/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0129.Sum-Root-to-Leaf-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0127.Word-Ladder/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md b/website/content/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md
similarity index 91%
rename from website/content/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md
rename to website/content/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md
index 2e52457e..b1a0636d 100755
--- a/website/content/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md
+++ b/website/content/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md
@@ -99,6 +99,6 @@ func binaryTreeNums(root *TreeNode) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0128.Longest-Consecutive-Sequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0130.Surrounded-Regions/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0130.Surrounded-Regions/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0130.Surrounded-Regions.md b/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
similarity index 93%
rename from website/content/ChapterFour/0130.Surrounded-Regions.md
rename to website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
index 228ce63e..3211fb08 100755
--- a/website/content/ChapterFour/0130.Surrounded-Regions.md
+++ b/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
@@ -128,6 +128,6 @@ func dfs130(i, j int, board [][]byte) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0129.Sum-Root-to-Leaf-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0131.Palindrome-Partitioning/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0131.Palindrome-Partitioning/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0131.Palindrome-Partitioning.md b/website/content/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md
similarity index 91%
rename from website/content/ChapterFour/0131.Palindrome-Partitioning.md
rename to website/content/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md
index 41c4f013..a619e00b 100755
--- a/website/content/ChapterFour/0131.Palindrome-Partitioning.md
+++ b/website/content/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md
@@ -123,6 +123,6 @@ func isPal(str string, s, e int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0130.Surrounded-Regions/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0136.Single-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0130.Surrounded-Regions/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0136.Single-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0136.Single-Number.md b/website/content/ChapterFour/0100~0199/0136.Single-Number.md
similarity index 87%
rename from website/content/ChapterFour/0136.Single-Number.md
rename to website/content/ChapterFour/0100~0199/0136.Single-Number.md
index 73561826..02b2b4b4 100755
--- a/website/content/ChapterFour/0136.Single-Number.md
+++ b/website/content/ChapterFour/0100~0199/0136.Single-Number.md
@@ -48,6 +48,6 @@ func singleNumber(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0131.Palindrome-Partitioning/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0137.Single-Number-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0131.Palindrome-Partitioning/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0137.Single-Number-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0137.Single-Number-II.md b/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
similarity index 94%
rename from website/content/ChapterFour/0137.Single-Number-II.md
rename to website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
index 1330eb03..172739cf 100755
--- a/website/content/ChapterFour/0137.Single-Number-II.md
+++ b/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
@@ -111,6 +111,6 @@ func singleNumberIIIII1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0136.Single-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0138.Copy-List-With-Random-Pointer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0136.Single-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0138.Copy-List-With-Random-Pointer.md b/website/content/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer.md
similarity index 93%
rename from website/content/ChapterFour/0138.Copy-List-With-Random-Pointer.md
rename to website/content/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer.md
index f434c88e..e4392479 100644
--- a/website/content/ChapterFour/0138.Copy-List-With-Random-Pointer.md
+++ b/website/content/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer.md
@@ -132,6 +132,6 @@ func copyNodeToLinkedList(head *Node) *Node {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0137.Single-Number-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0141.Linked-List-Cycle/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0137.Single-Number-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0141.Linked-List-Cycle/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0141.Linked-List-Cycle.md b/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
similarity index 81%
rename from website/content/ChapterFour/0141.Linked-List-Cycle.md
rename to website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
index 7443ccda..248a7b62 100644
--- a/website/content/ChapterFour/0141.Linked-List-Cycle.md
+++ b/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
@@ -50,6 +50,6 @@ func hasCycle(head *ListNode) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0138.Copy-List-With-Random-Pointer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0142.Linked-List-Cycle-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0142.Linked-List-Cycle-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0142.Linked-List-Cycle-II.md b/website/content/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md
similarity index 92%
rename from website/content/ChapterFour/0142.Linked-List-Cycle-II.md
rename to website/content/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md
index 07f10488..3bd61425 100644
--- a/website/content/ChapterFour/0142.Linked-List-Cycle-II.md
+++ b/website/content/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md
@@ -111,6 +111,6 @@ func hasCycle142(head *ListNode) (bool, *ListNode) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0141.Linked-List-Cycle/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0143.Reorder-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0141.Linked-List-Cycle/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0143.Reorder-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0143.Reorder-List.md b/website/content/ChapterFour/0100~0199/0143.Reorder-List.md
similarity index 92%
rename from website/content/ChapterFour/0143.Reorder-List.md
rename to website/content/ChapterFour/0100~0199/0143.Reorder-List.md
index 87060cc9..bd9b2469 100644
--- a/website/content/ChapterFour/0143.Reorder-List.md
+++ b/website/content/ChapterFour/0100~0199/0143.Reorder-List.md
@@ -129,6 +129,6 @@ func listToArray(head *ListNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0142.Linked-List-Cycle-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0144.Binary-Tree-Preorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0142.Linked-List-Cycle-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md b/website/content/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md
similarity index 88%
rename from website/content/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md
rename to website/content/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md
index d4b09831..36f8e02f 100644
--- a/website/content/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md
@@ -114,6 +114,6 @@ func preorderTraversal2(root *TreeNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0143.Reorder-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0145.Binary-Tree-Postorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0143.Reorder-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md b/website/content/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md
similarity index 81%
rename from website/content/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md
rename to website/content/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md
index e73320d0..e688f82f 100644
--- a/website/content/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md
+++ b/website/content/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md
@@ -73,6 +73,6 @@ func postorder(root *TreeNode, output *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0144.Binary-Tree-Preorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0146.LRU-Cache/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0146.LRU-Cache/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0146.LRU-Cache.md b/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
similarity index 93%
rename from website/content/ChapterFour/0146.LRU-Cache.md
rename to website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
index abf03290..7c60b34f 100644
--- a/website/content/ChapterFour/0146.LRU-Cache.md
+++ b/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
@@ -136,6 +136,6 @@ func (this *LRUCache) Remove(node *Node) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0145.Binary-Tree-Postorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0147.Insertion-Sort-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0147.Insertion-Sort-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0147.Insertion-Sort-List.md b/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
similarity index 88%
rename from website/content/ChapterFour/0147.Insertion-Sort-List.md
rename to website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
index bbdca940..5ef90856 100644
--- a/website/content/ChapterFour/0147.Insertion-Sort-List.md
+++ b/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
@@ -79,6 +79,6 @@ func insertionSortList(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0146.LRU-Cache/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0148.Sort-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0146.LRU-Cache/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0148.Sort-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0148.Sort-List.md b/website/content/ChapterFour/0100~0199/0148.Sort-List.md
similarity index 86%
rename from website/content/ChapterFour/0148.Sort-List.md
rename to website/content/ChapterFour/0100~0199/0148.Sort-List.md
index 6d435555..f92e2b85 100644
--- a/website/content/ChapterFour/0148.Sort-List.md
+++ b/website/content/ChapterFour/0100~0199/0148.Sort-List.md
@@ -98,6 +98,6 @@ func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0147.Insertion-Sort-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0150.Evaluate-Reverse-Polish-Notation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0147.Insertion-Sort-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0150.Evaluate-Reverse-Polish-Notation.md b/website/content/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md
similarity index 89%
rename from website/content/ChapterFour/0150.Evaluate-Reverse-Polish-Notation.md
rename to website/content/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md
index b8cfa59b..9b06aa85 100644
--- a/website/content/ChapterFour/0150.Evaluate-Reverse-Polish-Notation.md
+++ b/website/content/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md
@@ -117,6 +117,6 @@ func evalRPN(tokens []string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0148.Sort-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0151.Reverse-Words-in-a-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0148.Sort-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0151.Reverse-Words-in-a-String.md b/website/content/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md
similarity index 89%
rename from website/content/ChapterFour/0151.Reverse-Words-in-a-String.md
rename to website/content/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md
index 9d3a8fa4..cb2545f1 100755
--- a/website/content/ChapterFour/0151.Reverse-Words-in-a-String.md
+++ b/website/content/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md
@@ -84,6 +84,6 @@ func reverse151(m *[]string, i int, j int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0150.Evaluate-Reverse-Polish-Notation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0152.Maximum-Product-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0152.Maximum-Product-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0152.Maximum-Product-Subarray.md b/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
similarity index 85%
rename from website/content/ChapterFour/0152.Maximum-Product-Subarray.md
rename to website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
index 937780c5..852c8b8a 100755
--- a/website/content/ChapterFour/0152.Maximum-Product-Subarray.md
+++ b/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
@@ -54,6 +54,6 @@ func maxProduct(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0151.Reverse-Words-in-a-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md b/website/content/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md
similarity index 91%
rename from website/content/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md
rename to website/content/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md
index 2462d5f4..c48a82ae 100755
--- a/website/content/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md
+++ b/website/content/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md
@@ -110,6 +110,6 @@ func findMin2(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0152.Maximum-Product-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0152.Maximum-Product-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md b/website/content/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
similarity index 88%
rename from website/content/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
rename to website/content/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
index ed0c89af..7d2c1235 100755
--- a/website/content/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
+++ b/website/content/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
@@ -69,6 +69,6 @@ func findMin154(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0155.Min-Stack/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0155.Min-Stack/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0155.Min-Stack.md b/website/content/ChapterFour/0100~0199/0155.Min-Stack.md
similarity index 86%
rename from website/content/ChapterFour/0155.Min-Stack.md
rename to website/content/ChapterFour/0100~0199/0155.Min-Stack.md
index 4259b85a..606f6500 100644
--- a/website/content/ChapterFour/0155.Min-Stack.md
+++ b/website/content/ChapterFour/0100~0199/0155.Min-Stack.md
@@ -89,6 +89,6 @@ func (this *MinStack) GetMin() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0160.Intersection-of-Two-Linked-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0160.Intersection-of-Two-Linked-Lists.md b/website/content/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md
similarity index 93%
rename from website/content/ChapterFour/0160.Intersection-of-Two-Linked-Lists.md
rename to website/content/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md
index 0fe6c24d..77ea4b62 100644
--- a/website/content/ChapterFour/0160.Intersection-of-Two-Linked-Lists.md
+++ b/website/content/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md
@@ -118,6 +118,6 @@ func getIntersectionNode(headA, headB *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0155.Min-Stack/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0162.Find-Peak-Element/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0155.Min-Stack/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0162.Find-Peak-Element/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0162.Find-Peak-Element.md b/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
similarity index 92%
rename from website/content/ChapterFour/0162.Find-Peak-Element.md
rename to website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
index 74e7b14e..1c3e810f 100755
--- a/website/content/ChapterFour/0162.Find-Peak-Element.md
+++ b/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
@@ -96,6 +96,6 @@ func findPeakElement1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0160.Intersection-of-Two-Linked-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0164.Maximum-Gap/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0164.Maximum-Gap/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0164.Maximum-Gap.md b/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
similarity index 91%
rename from website/content/ChapterFour/0164.Maximum-Gap.md
rename to website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
index ea05421f..2c4f73a8 100644
--- a/website/content/ChapterFour/0164.Maximum-Gap.md
+++ b/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
@@ -139,6 +139,6 @@ func max(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0162.Find-Peak-Element/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0162.Find-Peak-Element/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md b/website/content/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md
similarity index 89%
rename from website/content/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md
rename to website/content/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md
index 1e55e786..dda1165f 100644
--- a/website/content/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md
+++ b/website/content/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md
@@ -70,6 +70,6 @@ func twoSum167_1(numbers []int, target int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0164.Maximum-Gap/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0168.Excel-Sheet-Column-Title/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0164.Maximum-Gap/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0168.Excel-Sheet-Column-Title.md b/website/content/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md
similarity index 83%
rename from website/content/ChapterFour/0168.Excel-Sheet-Column-Title.md
rename to website/content/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md
index 3a78b80d..2c008faa 100644
--- a/website/content/ChapterFour/0168.Excel-Sheet-Column-Title.md
+++ b/website/content/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md
@@ -82,6 +82,6 @@ func convertToTitle(n int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0169.Majority-Element/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0169.Majority-Element/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0169.Majority-Element.md b/website/content/ChapterFour/0100~0199/0169.Majority-Element.md
similarity index 86%
rename from website/content/ChapterFour/0169.Majority-Element.md
rename to website/content/ChapterFour/0100~0199/0169.Majority-Element.md
index f05a4392..03173fb7 100755
--- a/website/content/ChapterFour/0169.Majority-Element.md
+++ b/website/content/ChapterFour/0100~0199/0169.Majority-Element.md
@@ -68,6 +68,6 @@ func majorityElement1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0168.Excel-Sheet-Column-Title/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0171.Excel-Sheet-Column-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0171.Excel-Sheet-Column-Number.md b/website/content/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md
similarity index 81%
rename from website/content/ChapterFour/0171.Excel-Sheet-Column-Number.md
rename to website/content/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md
index 6294074d..06ec111e 100644
--- a/website/content/ChapterFour/0171.Excel-Sheet-Column-Number.md
+++ b/website/content/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md
@@ -69,6 +69,6 @@ func titleToNumber(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0169.Majority-Element/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0172.Factorial-Trailing-Zeroes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0169.Majority-Element/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0172.Factorial-Trailing-Zeroes.md b/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
similarity index 87%
rename from website/content/ChapterFour/0172.Factorial-Trailing-Zeroes.md
rename to website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
index c6a99740..4ac18a76 100755
--- a/website/content/ChapterFour/0172.Factorial-Trailing-Zeroes.md
+++ b/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
@@ -53,6 +53,6 @@ func trailingZeroes(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0171.Excel-Sheet-Column-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0173.Binary-Search-Tree-Iterator/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0173.Binary-Search-Tree-Iterator.md b/website/content/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md
similarity index 92%
rename from website/content/ChapterFour/0173.Binary-Search-Tree-Iterator.md
rename to website/content/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md
index b81575ce..581f88a6 100755
--- a/website/content/ChapterFour/0173.Binary-Search-Tree-Iterator.md
+++ b/website/content/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md
@@ -120,6 +120,6 @@ func (pq *PriorityQueueOfInt) Pop() interface{} {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0172.Factorial-Trailing-Zeroes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0174.Dungeon-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0174.Dungeon-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0174.Dungeon-Game.md b/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
similarity index 96%
rename from website/content/ChapterFour/0174.Dungeon-Game.md
rename to website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
index 1c0edf33..30df3397 100755
--- a/website/content/ChapterFour/0174.Dungeon-Game.md
+++ b/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
@@ -137,6 +137,6 @@ func canCross(dungeon [][]int, start int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0173.Binary-Search-Tree-Iterator/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0179.Largest-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0179.Largest-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0179.Largest-Number.md b/website/content/ChapterFour/0100~0199/0179.Largest-Number.md
similarity index 91%
rename from website/content/ChapterFour/0179.Largest-Number.md
rename to website/content/ChapterFour/0100~0199/0179.Largest-Number.md
index aeb366ce..09f1a070 100644
--- a/website/content/ChapterFour/0179.Largest-Number.md
+++ b/website/content/ChapterFour/0100~0199/0179.Largest-Number.md
@@ -124,6 +124,6 @@ func quickSortString(a []string, lo, hi int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0174.Dungeon-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0187.Repeated-DNA-Sequences/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0174.Dungeon-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0187.Repeated-DNA-Sequences.md b/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
similarity index 91%
rename from website/content/ChapterFour/0187.Repeated-DNA-Sequences.md
rename to website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
index fe746802..5480f7a7 100755
--- a/website/content/ChapterFour/0187.Repeated-DNA-Sequences.md
+++ b/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
@@ -73,6 +73,6 @@ func findRepeatedDnaSequences1(s string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0179.Largest-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0189.Rotate-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0179.Largest-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0189.Rotate-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0189.Rotate-Array.md b/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
similarity index 90%
rename from website/content/ChapterFour/0189.Rotate-Array.md
rename to website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
index 3be1e0de..34733ee9 100644
--- a/website/content/ChapterFour/0189.Rotate-Array.md
+++ b/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
@@ -77,6 +77,6 @@ func rotate1(nums []int, k int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0187.Repeated-DNA-Sequences/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0190.Reverse-Bits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0190.Reverse-Bits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0190.Reverse-Bits.md b/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
similarity index 91%
rename from website/content/ChapterFour/0190.Reverse-Bits.md
rename to website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
index dfbb2863..d73e2f2f 100755
--- a/website/content/ChapterFour/0190.Reverse-Bits.md
+++ b/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
@@ -55,6 +55,6 @@ func reverseBits(num uint32) uint32 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0189.Rotate-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0191.Number-of-1-Bits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0189.Rotate-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0191.Number-of-1-Bits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0191.Number-of-1-Bits.md b/website/content/ChapterFour/0100~0199/0191.Number-of-1-Bits.md
similarity index 90%
rename from website/content/ChapterFour/0191.Number-of-1-Bits.md
rename to website/content/ChapterFour/0100~0199/0191.Number-of-1-Bits.md
index 379892d3..d3a45e1d 100755
--- a/website/content/ChapterFour/0191.Number-of-1-Bits.md
+++ b/website/content/ChapterFour/0100~0199/0191.Number-of-1-Bits.md
@@ -67,6 +67,6 @@ func hammingWeight1(num uint32) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0190.Reverse-Bits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0198.House-Robber/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0190.Reverse-Bits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0198.House-Robber/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0198.House-Robber.md b/website/content/ChapterFour/0100~0199/0198.House-Robber.md
similarity index 92%
rename from website/content/ChapterFour/0198.House-Robber.md
rename to website/content/ChapterFour/0100~0199/0198.House-Robber.md
index cbe1d110..2ee3a7a1 100755
--- a/website/content/ChapterFour/0198.House-Robber.md
+++ b/website/content/ChapterFour/0100~0199/0198.House-Robber.md
@@ -96,6 +96,6 @@ func rob(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0191.Number-of-1-Bits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0199.Binary-Tree-Right-Side-View/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0191.Number-of-1-Bits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0199.Binary-Tree-Right-Side-View.md b/website/content/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md
similarity index 91%
rename from website/content/ChapterFour/0199.Binary-Tree-Right-Side-View.md
rename to website/content/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md
index 5c15e36b..8f0e72c1 100644
--- a/website/content/ChapterFour/0199.Binary-Tree-Right-Side-View.md
+++ b/website/content/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md
@@ -86,6 +86,6 @@ func rightSideView(root *TreeNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0198.House-Robber/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200.Number-of-Islands/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0198.House-Robber/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0200.Number-of-Islands/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0100~0199/_index.md b/website/content/ChapterFour/0100~0199/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0100~0199/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0200.Number-of-Islands.md b/website/content/ChapterFour/0200~0299/0200.Number-of-Islands.md
similarity index 88%
rename from website/content/ChapterFour/0200.Number-of-Islands.md
rename to website/content/ChapterFour/0200~0299/0200.Number-of-Islands.md
index 703125e3..90936357 100755
--- a/website/content/ChapterFour/0200.Number-of-Islands.md
+++ b/website/content/ChapterFour/0200~0299/0200.Number-of-Islands.md
@@ -83,6 +83,6 @@ func searchIslands(grid [][]byte, visited *[][]bool, x, y int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0199.Binary-Tree-Right-Side-View/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0201.Bitwise-AND-of-Numbers-Range/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0201.Bitwise-AND-of-Numbers-Range.md b/website/content/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md
similarity index 92%
rename from website/content/ChapterFour/0201.Bitwise-AND-of-Numbers-Range.md
rename to website/content/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md
index c0c11f3d..6f064185 100755
--- a/website/content/ChapterFour/0201.Bitwise-AND-of-Numbers-Range.md
+++ b/website/content/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md
@@ -68,6 +68,6 @@ func rangeBitwiseAnd(m int, n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200.Number-of-Islands/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0202.Happy-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0200.Number-of-Islands/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0202.Happy-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0202.Happy-Number.md b/website/content/ChapterFour/0200~0299/0202.Happy-Number.md
similarity index 85%
rename from website/content/ChapterFour/0202.Happy-Number.md
rename to website/content/ChapterFour/0200~0299/0202.Happy-Number.md
index 453b3275..90def17b 100644
--- a/website/content/ChapterFour/0202.Happy-Number.md
+++ b/website/content/ChapterFour/0200~0299/0202.Happy-Number.md
@@ -67,6 +67,6 @@ func isHappy(n int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0201.Bitwise-AND-of-Numbers-Range/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0203.Remove-Linked-List-Elements/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0203.Remove-Linked-List-Elements.md b/website/content/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md
similarity index 80%
rename from website/content/ChapterFour/0203.Remove-Linked-List-Elements.md
rename to website/content/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md
index 0ab51f2a..d8671161 100644
--- a/website/content/ChapterFour/0203.Remove-Linked-List-Elements.md
+++ b/website/content/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md
@@ -58,6 +58,6 @@ func removeElements(head *ListNode, val int) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0202.Happy-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0204.Count-Primes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0202.Happy-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0204.Count-Primes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0204.Count-Primes.md b/website/content/ChapterFour/0200~0299/0204.Count-Primes.md
similarity index 78%
rename from website/content/ChapterFour/0204.Count-Primes.md
rename to website/content/ChapterFour/0200~0299/0204.Count-Primes.md
index f835f5a8..fe09cb95 100755
--- a/website/content/ChapterFour/0204.Count-Primes.md
+++ b/website/content/ChapterFour/0200~0299/0204.Count-Primes.md
@@ -52,6 +52,6 @@ func countPrimes(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0203.Remove-Linked-List-Elements/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0205.Isomorphic-Strings/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0205.Isomorphic-Strings/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0205.Isomorphic-Strings.md b/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
similarity index 88%
rename from website/content/ChapterFour/0205.Isomorphic-Strings.md
rename to website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
index 43074115..6854aa2a 100644
--- a/website/content/ChapterFour/0205.Isomorphic-Strings.md
+++ b/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
@@ -92,6 +92,6 @@ func isIsomorphic(s string, t string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0204.Count-Primes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0206.Reverse-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0204.Count-Primes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0206.Reverse-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0206.Reverse-Linked-List.md b/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
similarity index 76%
rename from website/content/ChapterFour/0206.Reverse-Linked-List.md
rename to website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
index af6949ca..773f955f 100644
--- a/website/content/ChapterFour/0206.Reverse-Linked-List.md
+++ b/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
@@ -49,6 +49,6 @@ func reverseList(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0205.Isomorphic-Strings/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0207.Course-Schedule/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0205.Isomorphic-Strings/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0207.Course-Schedule/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0207.Course-Schedule.md b/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
similarity index 92%
rename from website/content/ChapterFour/0207.Course-Schedule.md
rename to website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
index c3f60925..52442d3c 100755
--- a/website/content/ChapterFour/0207.Course-Schedule.md
+++ b/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
@@ -84,6 +84,6 @@ func canFinish(n int, pre [][]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0206.Reverse-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0208.Implement-Trie-Prefix-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0206.Reverse-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0208.Implement-Trie-Prefix-Tree.md b/website/content/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree.md
similarity index 90%
rename from website/content/ChapterFour/0208.Implement-Trie-Prefix-Tree.md
rename to website/content/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree.md
index fec04d06..9f997351 100755
--- a/website/content/ChapterFour/0208.Implement-Trie-Prefix-Tree.md
+++ b/website/content/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree.md
@@ -101,6 +101,6 @@ func (this *Trie) StartsWith(prefix string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0207.Course-Schedule/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0209.Minimum-Size-Subarray-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0207.Course-Schedule/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0209.Minimum-Size-Subarray-Sum.md b/website/content/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md
similarity index 86%
rename from website/content/ChapterFour/0209.Minimum-Size-Subarray-Sum.md
rename to website/content/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md
index 0d6d6f1e..446bca92 100644
--- a/website/content/ChapterFour/0209.Minimum-Size-Subarray-Sum.md
+++ b/website/content/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md
@@ -63,6 +63,6 @@ func minSubArrayLen(s int, nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0208.Implement-Trie-Prefix-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0210.Course-Schedule-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0210.Course-Schedule-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0210.Course-Schedule-II.md b/website/content/ChapterFour/0200~0299/0210.Course-Schedule-II.md
similarity index 92%
rename from website/content/ChapterFour/0210.Course-Schedule-II.md
rename to website/content/ChapterFour/0200~0299/0210.Course-Schedule-II.md
index d2662b22..8f73b240 100755
--- a/website/content/ChapterFour/0210.Course-Schedule-II.md
+++ b/website/content/ChapterFour/0200~0299/0210.Course-Schedule-II.md
@@ -82,6 +82,6 @@ func findOrder(numCourses int, prerequisites [][]int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0209.Minimum-Size-Subarray-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md b/website/content/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md
similarity index 92%
rename from website/content/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md
rename to website/content/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md
index 171e82cc..311a827c 100755
--- a/website/content/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md
+++ b/website/content/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md
@@ -97,6 +97,6 @@ func (this *WordDictionary) Search(word string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0210.Course-Schedule-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0212.Word-Search-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0210.Course-Schedule-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0212.Word-Search-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0212.Word-Search-II.md b/website/content/ChapterFour/0200~0299/0212.Word-Search-II.md
similarity index 86%
rename from website/content/ChapterFour/0212.Word-Search-II.md
rename to website/content/ChapterFour/0200~0299/0212.Word-Search-II.md
index f83123dc..8966a46b 100755
--- a/website/content/ChapterFour/0212.Word-Search-II.md
+++ b/website/content/ChapterFour/0200~0299/0212.Word-Search-II.md
@@ -59,6 +59,6 @@ func findWords(board [][]byte, words []string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0213.House-Robber-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0213.House-Robber-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0213.House-Robber-II.md b/website/content/ChapterFour/0200~0299/0213.House-Robber-II.md
similarity index 91%
rename from website/content/ChapterFour/0213.House-Robber-II.md
rename to website/content/ChapterFour/0200~0299/0213.House-Robber-II.md
index 4860b757..e108507b 100755
--- a/website/content/ChapterFour/0213.House-Robber-II.md
+++ b/website/content/ChapterFour/0200~0299/0213.House-Robber-II.md
@@ -72,6 +72,6 @@ func rob213_1(nums []int, start, end int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0212.Word-Search-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0215.Kth-Largest-Element-in-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0212.Word-Search-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0215.Kth-Largest-Element-in-an-Array.md b/website/content/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array.md
similarity index 89%
rename from website/content/ChapterFour/0215.Kth-Largest-Element-in-an-Array.md
rename to website/content/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array.md
index ed9137fd..d62706dd 100644
--- a/website/content/ChapterFour/0215.Kth-Largest-Element-in-an-Array.md
+++ b/website/content/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array.md
@@ -78,6 +78,6 @@ func selection(arr []int, l, r, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0213.House-Robber-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0216.Combination-Sum-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0213.House-Robber-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0216.Combination-Sum-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0216.Combination-Sum-III.md b/website/content/ChapterFour/0200~0299/0216.Combination-Sum-III.md
similarity index 87%
rename from website/content/ChapterFour/0216.Combination-Sum-III.md
rename to website/content/ChapterFour/0200~0299/0216.Combination-Sum-III.md
index 97e953dc..c6dbd156 100755
--- a/website/content/ChapterFour/0216.Combination-Sum-III.md
+++ b/website/content/ChapterFour/0200~0299/0216.Combination-Sum-III.md
@@ -75,6 +75,6 @@ func findcombinationSum3(k, target, index int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0215.Kth-Largest-Element-in-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0217.Contains-Duplicate/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0217.Contains-Duplicate/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0217.Contains-Duplicate.md b/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
similarity index 80%
rename from website/content/ChapterFour/0217.Contains-Duplicate.md
rename to website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
index 2a078acd..ddb948e7 100644
--- a/website/content/ChapterFour/0217.Contains-Duplicate.md
+++ b/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
@@ -64,6 +64,6 @@ func containsDuplicate(nums []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0216.Combination-Sum-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0218.The-Skyline-Problem/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0216.Combination-Sum-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0218.The-Skyline-Problem/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0218.The-Skyline-Problem.md b/website/content/ChapterFour/0200~0299/0218.The-Skyline-Problem.md
similarity index 97%
rename from website/content/ChapterFour/0218.The-Skyline-Problem.md
rename to website/content/ChapterFour/0200~0299/0218.The-Skyline-Problem.md
index 71fa6d02..72623c5e 100755
--- a/website/content/ChapterFour/0218.The-Skyline-Problem.md
+++ b/website/content/ChapterFour/0200~0299/0218.The-Skyline-Problem.md
@@ -289,6 +289,6 @@ func (q *IndexMaxPQ) less(i, j int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0217.Contains-Duplicate/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0219.Contains-Duplicate-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0217.Contains-Duplicate/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0219.Contains-Duplicate-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0219.Contains-Duplicate-II.md b/website/content/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md
similarity index 86%
rename from website/content/ChapterFour/0219.Contains-Duplicate-II.md
rename to website/content/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md
index 37772d36..c4080825 100644
--- a/website/content/ChapterFour/0219.Contains-Duplicate-II.md
+++ b/website/content/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md
@@ -71,6 +71,6 @@ func containsNearbyDuplicate(nums []int, k int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0218.The-Skyline-Problem/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0220.Contains-Duplicate-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0218.The-Skyline-Problem/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0220.Contains-Duplicate-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0220.Contains-Duplicate-III.md b/website/content/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md
similarity index 94%
rename from website/content/ChapterFour/0220.Contains-Duplicate-III.md
rename to website/content/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md
index 89b23418..b26d478f 100644
--- a/website/content/ChapterFour/0220.Contains-Duplicate-III.md
+++ b/website/content/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md
@@ -107,6 +107,6 @@ func containsNearbyAlmostDuplicate1(nums []int, k int, t int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0219.Contains-Duplicate-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0222.Count-Complete-Tree-Nodes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0219.Contains-Duplicate-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0222.Count-Complete-Tree-Nodes.md b/website/content/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md
similarity index 86%
rename from website/content/ChapterFour/0222.Count-Complete-Tree-Nodes.md
rename to website/content/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md
index 88f00d48..a7f148ba 100644
--- a/website/content/ChapterFour/0222.Count-Complete-Tree-Nodes.md
+++ b/website/content/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md
@@ -84,6 +84,6 @@ func countNodes(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0220.Contains-Duplicate-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0223.Rectangle-Area/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0220.Contains-Duplicate-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0223.Rectangle-Area/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0223.Rectangle-Area.md b/website/content/ChapterFour/0200~0299/0223.Rectangle-Area.md
similarity index 86%
rename from website/content/ChapterFour/0223.Rectangle-Area.md
rename to website/content/ChapterFour/0200~0299/0223.Rectangle-Area.md
index c129f609..a85324ad 100755
--- a/website/content/ChapterFour/0223.Rectangle-Area.md
+++ b/website/content/ChapterFour/0200~0299/0223.Rectangle-Area.md
@@ -55,6 +55,6 @@ func area(x0, y0, x1, y1 int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0222.Count-Complete-Tree-Nodes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0224.Basic-Calculator/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0224.Basic-Calculator/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0224.Basic-Calculator.md b/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
similarity index 93%
rename from website/content/ChapterFour/0224.Basic-Calculator.md
rename to website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
index dae86172..3ae0cccf 100755
--- a/website/content/ChapterFour/0224.Basic-Calculator.md
+++ b/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
@@ -167,6 +167,6 @@ func isDigital(v byte) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0223.Rectangle-Area/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0225.Implement-Stack-using-Queues/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0223.Rectangle-Area/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0225.Implement-Stack-using-Queues.md b/website/content/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md
similarity index 90%
rename from website/content/ChapterFour/0225.Implement-Stack-using-Queues.md
rename to website/content/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md
index 9a1be896..47b8177c 100644
--- a/website/content/ChapterFour/0225.Implement-Stack-using-Queues.md
+++ b/website/content/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md
@@ -97,6 +97,6 @@ func (this *MyStack) Empty() bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0224.Basic-Calculator/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0226.Invert-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0224.Basic-Calculator/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0226.Invert-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0226.Invert-Binary-Tree.md b/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
similarity index 83%
rename from website/content/ChapterFour/0226.Invert-Binary-Tree.md
rename to website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
index 844f3e90..771e047b 100644
--- a/website/content/ChapterFour/0226.Invert-Binary-Tree.md
+++ b/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
@@ -78,6 +78,6 @@ func invertTree(root *TreeNode) *TreeNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0225.Implement-Stack-using-Queues/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0228.Summary-Ranges/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0228.Summary-Ranges/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0228.Summary-Ranges.md b/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
similarity index 90%
rename from website/content/ChapterFour/0228.Summary-Ranges.md
rename to website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
index 3a2a53ec..30f9cb26 100644
--- a/website/content/ChapterFour/0228.Summary-Ranges.md
+++ b/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
@@ -110,6 +110,6 @@ func summaryRanges(nums []int) (ans []string) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0226.Invert-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0229.Majority-Element-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0226.Invert-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0229.Majority-Element-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0229.Majority-Element-II.md b/website/content/ChapterFour/0200~0299/0229.Majority-Element-II.md
similarity index 91%
rename from website/content/ChapterFour/0229.Majority-Element-II.md
rename to website/content/ChapterFour/0200~0299/0229.Majority-Element-II.md
index 45cbf0db..fb043de6 100755
--- a/website/content/ChapterFour/0229.Majority-Element-II.md
+++ b/website/content/ChapterFour/0200~0299/0229.Majority-Element-II.md
@@ -102,6 +102,6 @@ func majorityElement229_1(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0228.Summary-Ranges/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0230.Kth-Smallest-Element-in-a-BST/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0228.Summary-Ranges/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md b/website/content/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md
similarity index 88%
rename from website/content/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md
rename to website/content/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md
index 45fcea55..3383a50f 100755
--- a/website/content/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md
+++ b/website/content/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md
@@ -80,6 +80,6 @@ func inorder230(node *TreeNode, k int, count *int, ans *int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0229.Majority-Element-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0231.Power-of-Two/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0229.Majority-Element-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0231.Power-of-Two/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0231.Power-of-Two.md b/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
similarity index 87%
rename from website/content/ChapterFour/0231.Power-of-Two.md
rename to website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
index 157f91e5..491f5534 100755
--- a/website/content/ChapterFour/0231.Power-of-Two.md
+++ b/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
@@ -72,6 +72,6 @@ func isPowerOfTwo3(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0230.Kth-Smallest-Element-in-a-BST/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0232.Implement-Queue-using-Stacks/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0232.Implement-Queue-using-Stacks.md b/website/content/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md
similarity index 91%
rename from website/content/ChapterFour/0232.Implement-Queue-using-Stacks.md
rename to website/content/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md
index 6ceaa1b0..71e5bc14 100644
--- a/website/content/ChapterFour/0232.Implement-Queue-using-Stacks.md
+++ b/website/content/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md
@@ -101,6 +101,6 @@ func (this *MyQueue) fromStackToQueue(s, q *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0231.Power-of-Two/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0234.Palindrome-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0231.Power-of-Two/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0234.Palindrome-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0234.Palindrome-Linked-List.md b/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
similarity index 89%
rename from website/content/ChapterFour/0234.Palindrome-Linked-List.md
rename to website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
index 56eca338..8f409518 100644
--- a/website/content/ChapterFour/0234.Palindrome-Linked-List.md
+++ b/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
@@ -113,6 +113,6 @@ func L2ss(head *ListNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0232.Implement-Queue-using-Stacks/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md b/website/content/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md
similarity index 89%
rename from website/content/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md
rename to website/content/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md
index 73a9a443..77f6cdbf 100755
--- a/website/content/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md
+++ b/website/content/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md
@@ -74,6 +74,6 @@ func lowestCommonAncestor(root, p, q *TreeNode) *TreeNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0234.Palindrome-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0234.Palindrome-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md b/website/content/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
similarity index 89%
rename from website/content/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
rename to website/content/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
index 96342c14..302f3f19 100755
--- a/website/content/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
+++ b/website/content/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
@@ -74,6 +74,6 @@ func lowestCommonAncestor236(root, p, q *TreeNode) *TreeNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0237.Delete-Node-in-a-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0237.Delete-Node-in-a-Linked-List.md b/website/content/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md
similarity index 87%
rename from website/content/ChapterFour/0237.Delete-Node-in-a-Linked-List.md
rename to website/content/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md
index 981fe415..e7a23da5 100644
--- a/website/content/ChapterFour/0237.Delete-Node-in-a-Linked-List.md
+++ b/website/content/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md
@@ -74,6 +74,6 @@ func deleteNode(node *ListNode) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0239.Sliding-Window-Maximum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0239.Sliding-Window-Maximum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0239.Sliding-Window-Maximum.md b/website/content/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md
similarity index 92%
rename from website/content/ChapterFour/0239.Sliding-Window-Maximum.md
rename to website/content/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md
index ea5a4493..bf2a3a11 100755
--- a/website/content/ChapterFour/0239.Sliding-Window-Maximum.md
+++ b/website/content/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md
@@ -97,6 +97,6 @@ func maxSlidingWindow(nums []int, k int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0237.Delete-Node-in-a-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0240.Search-a-2D-Matrix-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0240.Search-a-2D-Matrix-II.md b/website/content/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md
similarity index 92%
rename from website/content/ChapterFour/0240.Search-a-2D-Matrix-II.md
rename to website/content/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md
index 736d4ba4..55f99caf 100755
--- a/website/content/ChapterFour/0240.Search-a-2D-Matrix-II.md
+++ b/website/content/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md
@@ -91,6 +91,6 @@ func searchMatrix2401(matrix [][]int, target int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0239.Sliding-Window-Maximum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0242.Valid-Anagram/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0239.Sliding-Window-Maximum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0242.Valid-Anagram/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0242.Valid-Anagram.md b/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
similarity index 91%
rename from website/content/ChapterFour/0242.Valid-Anagram.md
rename to website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
index 7f643f68..9e99ce87 100644
--- a/website/content/ChapterFour/0242.Valid-Anagram.md
+++ b/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
@@ -119,6 +119,6 @@ func quickSortByte(a []byte, lo, hi int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0240.Search-a-2D-Matrix-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0257.Binary-Tree-Paths/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0257.Binary-Tree-Paths/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0257.Binary-Tree-Paths.md b/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
similarity index 86%
rename from website/content/ChapterFour/0257.Binary-Tree-Paths.md
rename to website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
index eaef55f8..22b451ce 100755
--- a/website/content/ChapterFour/0257.Binary-Tree-Paths.md
+++ b/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
@@ -73,6 +73,6 @@ func binaryTreePaths(root *TreeNode) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0242.Valid-Anagram/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0258.Add-Digits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0242.Valid-Anagram/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0258.Add-Digits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0258.Add-Digits.md b/website/content/ChapterFour/0200~0299/0258.Add-Digits.md
similarity index 81%
rename from website/content/ChapterFour/0258.Add-Digits.md
rename to website/content/ChapterFour/0200~0299/0258.Add-Digits.md
index 57abdabc..4e0770ad 100644
--- a/website/content/ChapterFour/0258.Add-Digits.md
+++ b/website/content/ChapterFour/0200~0299/0258.Add-Digits.md
@@ -49,6 +49,6 @@ func addDigits(num int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0257.Binary-Tree-Paths/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0260.Single-Number-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0257.Binary-Tree-Paths/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0260.Single-Number-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0260.Single-Number-III.md b/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
similarity index 90%
rename from website/content/ChapterFour/0260.Single-Number-III.md
rename to website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
index a5c74bf0..ed2a461b 100755
--- a/website/content/ChapterFour/0260.Single-Number-III.md
+++ b/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
@@ -63,6 +63,6 @@ func singleNumberIII(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0258.Add-Digits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0263.Ugly-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0258.Add-Digits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0263.Ugly-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0263.Ugly-Number.md b/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
similarity index 82%
rename from website/content/ChapterFour/0263.Ugly-Number.md
rename to website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
index 4e04b40e..713d3058 100644
--- a/website/content/ChapterFour/0263.Ugly-Number.md
+++ b/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
@@ -71,6 +71,6 @@ func isUgly(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0260.Single-Number-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0268.Missing-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0260.Single-Number-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0268.Missing-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0268.Missing-Number.md b/website/content/ChapterFour/0200~0299/0268.Missing-Number.md
similarity index 86%
rename from website/content/ChapterFour/0268.Missing-Number.md
rename to website/content/ChapterFour/0200~0299/0268.Missing-Number.md
index f5bafc72..393dbe2f 100755
--- a/website/content/ChapterFour/0268.Missing-Number.md
+++ b/website/content/ChapterFour/0200~0299/0268.Missing-Number.md
@@ -49,6 +49,6 @@ func missingNumber(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0263.Ugly-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0274.H-Index/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0263.Ugly-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0274.H-Index/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0274.H-Index.md b/website/content/ChapterFour/0200~0299/0274.H-Index.md
similarity index 89%
rename from website/content/ChapterFour/0274.H-Index.md
rename to website/content/ChapterFour/0200~0299/0274.H-Index.md
index fd961ebc..75cf67b1 100644
--- a/website/content/ChapterFour/0274.H-Index.md
+++ b/website/content/ChapterFour/0200~0299/0274.H-Index.md
@@ -80,6 +80,6 @@ func hIndex1(citations []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0268.Missing-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0275.H-Index-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0268.Missing-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0275.H-Index-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0275.H-Index-II.md b/website/content/ChapterFour/0200~0299/0275.H-Index-II.md
similarity index 93%
rename from website/content/ChapterFour/0275.H-Index-II.md
rename to website/content/ChapterFour/0200~0299/0275.H-Index-II.md
index 880d39d3..a29f7133 100755
--- a/website/content/ChapterFour/0275.H-Index-II.md
+++ b/website/content/ChapterFour/0200~0299/0275.H-Index-II.md
@@ -73,6 +73,6 @@ func hIndex275(citations []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0274.H-Index/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0283.Move-Zeroes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0274.H-Index/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0283.Move-Zeroes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0283.Move-Zeroes.md b/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
similarity index 83%
rename from website/content/ChapterFour/0283.Move-Zeroes.md
rename to website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
index 48c52dd7..092cf3c6 100644
--- a/website/content/ChapterFour/0283.Move-Zeroes.md
+++ b/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
@@ -57,6 +57,6 @@ func moveZeroes(nums []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0275.H-Index-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0287.Find-the-Duplicate-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0275.H-Index-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0287.Find-the-Duplicate-Number.md b/website/content/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md
similarity index 93%
rename from website/content/ChapterFour/0287.Find-the-Duplicate-Number.md
rename to website/content/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md
index 11dc7ccf..a79bae5b 100644
--- a/website/content/ChapterFour/0287.Find-the-Duplicate-Number.md
+++ b/website/content/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md
@@ -109,6 +109,6 @@ func findDuplicate2(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0283.Move-Zeroes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0290.Word-Pattern/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0283.Move-Zeroes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0290.Word-Pattern/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0290.Word-Pattern.md b/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
similarity index 91%
rename from website/content/ChapterFour/0290.Word-Pattern.md
rename to website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
index d22b9623..bce80db8 100644
--- a/website/content/ChapterFour/0290.Word-Pattern.md
+++ b/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
@@ -100,6 +100,6 @@ func wordPattern(pattern string, str string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0287.Find-the-Duplicate-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300.Longest-Increasing-Subsequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0200~0299/_index.md b/website/content/ChapterFour/0200~0299/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0200~0299/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0300.Longest-Increasing-Subsequence.md b/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
similarity index 92%
rename from website/content/ChapterFour/0300.Longest-Increasing-Subsequence.md
rename to website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
index 3d678515..3ba33652 100755
--- a/website/content/ChapterFour/0300.Longest-Increasing-Subsequence.md
+++ b/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
@@ -81,6 +81,6 @@ func lengthOfLIS1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0290.Word-Pattern/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0303.Range-Sum-Query---Immutable/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0200~0299/0290.Word-Pattern/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0303.Range-Sum-Query---Immutable.md b/website/content/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md
similarity index 93%
rename from website/content/ChapterFour/0303.Range-Sum-Query---Immutable.md
rename to website/content/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md
index 9f24536e..1f708d35 100755
--- a/website/content/ChapterFour/0303.Range-Sum-Query---Immutable.md
+++ b/website/content/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md
@@ -112,6 +112,6 @@ func (ma *NumArray) SumRange(i int, j int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300.Longest-Increasing-Subsequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0306.Additive-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0306.Additive-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0306.Additive-Number.md b/website/content/ChapterFour/0300~0399/0306.Additive-Number.md
similarity index 92%
rename from website/content/ChapterFour/0306.Additive-Number.md
rename to website/content/ChapterFour/0300~0399/0306.Additive-Number.md
index b3ed5be6..a798d9fa 100755
--- a/website/content/ChapterFour/0306.Additive-Number.md
+++ b/website/content/ChapterFour/0300~0399/0306.Additive-Number.md
@@ -91,6 +91,6 @@ func recursiveCheck(num string, x1 int, x2 int, left int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0303.Range-Sum-Query---Immutable/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0307.Range-Sum-Query---Mutable/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0307.Range-Sum-Query---Mutable.md b/website/content/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md
similarity index 92%
rename from website/content/ChapterFour/0307.Range-Sum-Query---Mutable.md
rename to website/content/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md
index c8618b62..57f099b8 100755
--- a/website/content/ChapterFour/0307.Range-Sum-Query---Mutable.md
+++ b/website/content/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md
@@ -123,6 +123,6 @@ func (this *NumArray) Update(i int, val int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0306.Additive-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0306.Additive-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md b/website/content/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md
similarity index 94%
rename from website/content/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md
rename to website/content/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md
index efd0363d..f0afbb14 100755
--- a/website/content/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md
+++ b/website/content/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md
@@ -86,6 +86,6 @@ func maxProfit309_1(prices []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0307.Range-Sum-Query---Mutable/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md b/website/content/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md
similarity index 91%
rename from website/content/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md
rename to website/content/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md
index 77b9e627..dfc08ac7 100755
--- a/website/content/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md
+++ b/website/content/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md
@@ -90,6 +90,6 @@ func countSmaller(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0318.Maximum-Product-of-Word-Lengths/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0318.Maximum-Product-of-Word-Lengths.md b/website/content/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md
similarity index 90%
rename from website/content/ChapterFour/0318.Maximum-Product-of-Word-Lengths.md
rename to website/content/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md
index de8f712c..00e0b4dc 100755
--- a/website/content/ChapterFour/0318.Maximum-Product-of-Word-Lengths.md
+++ b/website/content/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md
@@ -79,6 +79,6 @@ func maxProduct318(words []string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0322.Coin-Change/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0322.Coin-Change/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0322.Coin-Change.md b/website/content/ChapterFour/0300~0399/0322.Coin-Change.md
similarity index 88%
rename from website/content/ChapterFour/0322.Coin-Change.md
rename to website/content/ChapterFour/0300~0399/0322.Coin-Change.md
index 4e15b87c..fb1838d7 100755
--- a/website/content/ChapterFour/0322.Coin-Change.md
+++ b/website/content/ChapterFour/0300~0399/0322.Coin-Change.md
@@ -63,6 +63,6 @@ func coinChange(coins []int, amount int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0318.Maximum-Product-of-Word-Lengths/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0324.Wiggle-Sort-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0324.Wiggle-Sort-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0324.Wiggle-Sort-II.md b/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
similarity index 96%
rename from website/content/ChapterFour/0324.Wiggle-Sort-II.md
rename to website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
index 5047b8f0..5d5a250e 100644
--- a/website/content/ChapterFour/0324.Wiggle-Sort-II.md
+++ b/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
@@ -265,6 +265,6 @@ func wiggleSort1(nums []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0322.Coin-Change/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0326.Power-of-Three/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0322.Coin-Change/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0326.Power-of-Three/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0326.Power-of-Three.md b/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
similarity index 88%
rename from website/content/ChapterFour/0326.Power-of-Three.md
rename to website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
index 38328b88..99596c26 100755
--- a/website/content/ChapterFour/0326.Power-of-Three.md
+++ b/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
@@ -79,6 +79,6 @@ func isPowerOfThree2(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0324.Wiggle-Sort-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0327.Count-of-Range-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0324.Wiggle-Sort-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0327.Count-of-Range-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0327.Count-of-Range-Sum.md b/website/content/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md
similarity index 97%
rename from website/content/ChapterFour/0327.Count-of-Range-Sum.md
rename to website/content/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md
index 30779996..19beccae 100755
--- a/website/content/ChapterFour/0327.Count-of-Range-Sum.md
+++ b/website/content/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md
@@ -147,6 +147,6 @@ func countRangeSum1(nums []int, lower int, upper int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0326.Power-of-Three/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0328.Odd-Even-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0326.Power-of-Three/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0328.Odd-Even-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0328.Odd-Even-Linked-List.md b/website/content/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md
similarity index 87%
rename from website/content/ChapterFour/0328.Odd-Even-Linked-List.md
rename to website/content/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md
index 3e76e37c..53b92153 100644
--- a/website/content/ChapterFour/0328.Odd-Even-Linked-List.md
+++ b/website/content/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md
@@ -79,6 +79,6 @@ func oddEvenList(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0327.Count-of-Range-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0327.Count-of-Range-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix.md b/website/content/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md
similarity index 90%
rename from website/content/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix.md
rename to website/content/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md
index f26eb117..198fe2e3 100755
--- a/website/content/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix.md
+++ b/website/content/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md
@@ -94,6 +94,6 @@ func searchPath(board, cache [][]int, lastNum, x, y int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0328.Odd-Even-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0328.Odd-Even-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md b/website/content/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
similarity index 91%
rename from website/content/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
rename to website/content/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
index 83ba9b8d..5167b262 100644
--- a/website/content/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
+++ b/website/content/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
@@ -87,6 +87,6 @@ func isValidSerialization(preorder string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0337.House-Robber-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0337.House-Robber-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0337.House-Robber-III.md b/website/content/ChapterFour/0300~0399/0337.House-Robber-III.md
similarity index 90%
rename from website/content/ChapterFour/0337.House-Robber-III.md
rename to website/content/ChapterFour/0300~0399/0337.House-Robber-III.md
index d524b3d3..08ee691b 100644
--- a/website/content/ChapterFour/0337.House-Robber-III.md
+++ b/website/content/ChapterFour/0300~0399/0337.House-Robber-III.md
@@ -75,6 +75,6 @@ func dfsTreeRob(root *TreeNode) (a, b int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0338.Counting-Bits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0338.Counting-Bits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0338.Counting-Bits.md b/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
similarity index 87%
rename from website/content/ChapterFour/0338.Counting-Bits.md
rename to website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
index a543d869..6b466ce2 100755
--- a/website/content/ChapterFour/0338.Counting-Bits.md
+++ b/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
@@ -56,6 +56,6 @@ func countBits(num int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0337.House-Robber-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0342.Power-of-Four/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0337.House-Robber-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0342.Power-of-Four/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0342.Power-of-Four.md b/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
similarity index 86%
rename from website/content/ChapterFour/0342.Power-of-Four.md
rename to website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
index 221989d8..aad686b3 100755
--- a/website/content/ChapterFour/0342.Power-of-Four.md
+++ b/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
@@ -57,6 +57,6 @@ func isPowerOfFour1(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0338.Counting-Bits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0343.Integer-Break/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0338.Counting-Bits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0343.Integer-Break/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0343.Integer-Break.md b/website/content/ChapterFour/0300~0399/0343.Integer-Break.md
similarity index 87%
rename from website/content/ChapterFour/0343.Integer-Break.md
rename to website/content/ChapterFour/0300~0399/0343.Integer-Break.md
index 3ca9c6af..ff492fa2 100755
--- a/website/content/ChapterFour/0343.Integer-Break.md
+++ b/website/content/ChapterFour/0300~0399/0343.Integer-Break.md
@@ -55,6 +55,6 @@ func integerBreak(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0342.Power-of-Four/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0344.Reverse-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0342.Power-of-Four/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0344.Reverse-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0344.Reverse-String.md b/website/content/ChapterFour/0300~0399/0344.Reverse-String.md
similarity index 81%
rename from website/content/ChapterFour/0344.Reverse-String.md
rename to website/content/ChapterFour/0300~0399/0344.Reverse-String.md
index 493fbe3b..e2ed876c 100644
--- a/website/content/ChapterFour/0344.Reverse-String.md
+++ b/website/content/ChapterFour/0300~0399/0344.Reverse-String.md
@@ -55,6 +55,6 @@ func reverseString(s []byte) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0343.Integer-Break/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0345.Reverse-Vowels-of-a-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0343.Integer-Break/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0345.Reverse-Vowels-of-a-String.md b/website/content/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md
similarity index 84%
rename from website/content/ChapterFour/0345.Reverse-Vowels-of-a-String.md
rename to website/content/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md
index bd7679af..7e812f36 100644
--- a/website/content/ChapterFour/0345.Reverse-Vowels-of-a-String.md
+++ b/website/content/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md
@@ -71,6 +71,6 @@ func isVowels(s byte) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0344.Reverse-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0347.Top-K-Frequent-Elements/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0344.Reverse-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0347.Top-K-Frequent-Elements.md b/website/content/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md
similarity index 88%
rename from website/content/ChapterFour/0347.Top-K-Frequent-Elements.md
rename to website/content/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md
index ea1d85b1..99b56de2 100644
--- a/website/content/ChapterFour/0347.Top-K-Frequent-Elements.md
+++ b/website/content/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md
@@ -105,6 +105,6 @@ func (pq *PriorityQueue) Pop() interface{} {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0345.Reverse-Vowels-of-a-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0349.Intersection-of-Two-Arrays/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0349.Intersection-of-Two-Arrays.md b/website/content/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md
similarity index 81%
rename from website/content/ChapterFour/0349.Intersection-of-Two-Arrays.md
rename to website/content/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md
index ade24e62..b57951ab 100644
--- a/website/content/ChapterFour/0349.Intersection-of-Two-Arrays.md
+++ b/website/content/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md
@@ -62,6 +62,6 @@ func intersection(nums1 []int, nums2 []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0347.Top-K-Frequent-Elements/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0350.Intersection-of-Two-Arrays-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0350.Intersection-of-Two-Arrays-II.md b/website/content/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md
similarity index 86%
rename from website/content/ChapterFour/0350.Intersection-of-Two-Arrays-II.md
rename to website/content/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md
index eb94c11d..dcfe10b5 100644
--- a/website/content/ChapterFour/0350.Intersection-of-Two-Arrays-II.md
+++ b/website/content/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md
@@ -74,6 +74,6 @@ func intersect(nums1 []int, nums2 []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0349.Intersection-of-Two-Arrays/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0354.Russian-Doll-Envelopes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0354.Russian-Doll-Envelopes.md b/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
similarity index 90%
rename from website/content/ChapterFour/0354.Russian-Doll-Envelopes.md
rename to website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
index 8100d0f6..cdd560ba 100755
--- a/website/content/ChapterFour/0354.Russian-Doll-Envelopes.md
+++ b/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
@@ -83,6 +83,6 @@ func maxEnvelopes(envelopes [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0350.Intersection-of-Two-Arrays-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0357.Count-Numbers-with-Unique-Digits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md b/website/content/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md
similarity index 90%
rename from website/content/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md
rename to website/content/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md
index 6c7583a6..4ae4f41b 100755
--- a/website/content/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md
+++ b/website/content/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md
@@ -63,6 +63,6 @@ func countNumbersWithUniqueDigits(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0354.Russian-Doll-Envelopes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0367.Valid-Perfect-Square/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0367.Valid-Perfect-Square/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0367.Valid-Perfect-Square.md b/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
similarity index 84%
rename from website/content/ChapterFour/0367.Valid-Perfect-Square.md
rename to website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
index 0edd6fc0..50f9f733 100755
--- a/website/content/ChapterFour/0367.Valid-Perfect-Square.md
+++ b/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
@@ -59,6 +59,6 @@ func isPerfectSquare(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0357.Count-Numbers-with-Unique-Digits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0371.Sum-of-Two-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0371.Sum-of-Two-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0371.Sum-of-Two-Integers.md b/website/content/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md
similarity index 86%
rename from website/content/ChapterFour/0371.Sum-of-Two-Integers.md
rename to website/content/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md
index 423f35b1..8336684a 100755
--- a/website/content/ChapterFour/0371.Sum-of-Two-Integers.md
+++ b/website/content/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md
@@ -49,6 +49,6 @@ func getSum(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0367.Valid-Perfect-Square/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0372.Super-Pow/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0367.Valid-Perfect-Square/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0372.Super-Pow/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0372.Super-Pow.md b/website/content/ChapterFour/0300~0399/0372.Super-Pow.md
similarity index 93%
rename from website/content/ChapterFour/0372.Super-Pow.md
rename to website/content/ChapterFour/0300~0399/0372.Super-Pow.md
index 1bb73d92..0934a48a 100755
--- a/website/content/ChapterFour/0372.Super-Pow.md
+++ b/website/content/ChapterFour/0300~0399/0372.Super-Pow.md
@@ -110,6 +110,6 @@ func superPow1(a int, b []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0371.Sum-of-Two-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0371.Sum-of-Two-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums.md b/website/content/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums.md
similarity index 94%
rename from website/content/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums.md
rename to website/content/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums.md
index 85bb5352..346d24da 100755
--- a/website/content/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums.md
+++ b/website/content/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums.md
@@ -128,6 +128,6 @@ func kSmallestPairs1(nums1 []int, nums2 []int, k int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0372.Super-Pow/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0372.Super-Pow/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md b/website/content/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
similarity index 93%
rename from website/content/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
rename to website/content/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
index 9f675463..2b53dec9 100755
--- a/website/content/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
+++ b/website/content/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
@@ -137,6 +137,6 @@ func (p *pq) Pop() interface{} {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0385.Mini-Parser/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0385.Mini-Parser/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0385.Mini-Parser.md b/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
similarity index 94%
rename from website/content/ChapterFour/0385.Mini-Parser.md
rename to website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
index 93706631..869839bf 100755
--- a/website/content/ChapterFour/0385.Mini-Parser.md
+++ b/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
@@ -177,6 +177,6 @@ func deserialize(s string) *NestedInteger {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0386.Lexicographical-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0386.Lexicographical-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0386.Lexicographical-Numbers.md b/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
similarity index 82%
rename from website/content/ChapterFour/0386.Lexicographical-Numbers.md
rename to website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
index 2b448727..dc76ab44 100755
--- a/website/content/ChapterFour/0386.Lexicographical-Numbers.md
+++ b/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
@@ -53,6 +53,6 @@ func dfs386(x, n int, res *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0385.Mini-Parser/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0387.First-Unique-Character-in-a-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0385.Mini-Parser/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0387.First-Unique-Character-in-a-String.md b/website/content/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md
similarity index 88%
rename from website/content/ChapterFour/0387.First-Unique-Character-in-a-String.md
rename to website/content/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md
index 211fab68..8f7954da 100755
--- a/website/content/ChapterFour/0387.First-Unique-Character-in-a-String.md
+++ b/website/content/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md
@@ -83,6 +83,6 @@ func firstUniqChar1(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0386.Lexicographical-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0389.Find-the-Difference/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0386.Lexicographical-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0389.Find-the-Difference/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0389.Find-the-Difference.md b/website/content/ChapterFour/0300~0399/0389.Find-the-Difference.md
similarity index 82%
rename from website/content/ChapterFour/0389.Find-the-Difference.md
rename to website/content/ChapterFour/0300~0399/0389.Find-the-Difference.md
index 026b6f99..0a326d51 100755
--- a/website/content/ChapterFour/0389.Find-the-Difference.md
+++ b/website/content/ChapterFour/0300~0399/0389.Find-the-Difference.md
@@ -50,6 +50,6 @@ func findTheDifference(s string, t string) byte {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0387.First-Unique-Character-in-a-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0392.Is-Subsequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0392.Is-Subsequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0392.Is-Subsequence.md b/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
similarity index 90%
rename from website/content/ChapterFour/0392.Is-Subsequence.md
rename to website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
index 7b11b78e..ff476a02 100755
--- a/website/content/ChapterFour/0392.Is-Subsequence.md
+++ b/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
@@ -82,6 +82,6 @@ func isSubsequence1(s string, t string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0389.Find-the-Difference/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0393.UTF-8-Validation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0389.Find-the-Difference/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0393.UTF-8-Validation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0393.UTF-8-Validation.md b/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
similarity index 93%
rename from website/content/ChapterFour/0393.UTF-8-Validation.md
rename to website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
index b1efbce0..1275685b 100755
--- a/website/content/ChapterFour/0393.UTF-8-Validation.md
+++ b/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
@@ -107,6 +107,6 @@ func validUtf8(data []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0392.Is-Subsequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0394.Decode-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0392.Is-Subsequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0394.Decode-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0394.Decode-String.md b/website/content/ChapterFour/0300~0399/0394.Decode-String.md
similarity index 91%
rename from website/content/ChapterFour/0394.Decode-String.md
rename to website/content/ChapterFour/0300~0399/0394.Decode-String.md
index 902049c3..0ed35c76 100644
--- a/website/content/ChapterFour/0394.Decode-String.md
+++ b/website/content/ChapterFour/0300~0399/0394.Decode-String.md
@@ -83,6 +83,6 @@ func decodeString(s string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0393.UTF-8-Validation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0397.Integer-Replacement/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0393.UTF-8-Validation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0397.Integer-Replacement/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0397.Integer-Replacement.md b/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
similarity index 91%
rename from website/content/ChapterFour/0397.Integer-Replacement.md
rename to website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
index 67691292..6b71a2b9 100755
--- a/website/content/ChapterFour/0397.Integer-Replacement.md
+++ b/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
@@ -88,6 +88,6 @@ func integerReplacement(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0394.Decode-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0399.Evaluate-Division/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0394.Decode-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0399.Evaluate-Division/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0399.Evaluate-Division.md b/website/content/ChapterFour/0300~0399/0399.Evaluate-Division.md
similarity index 95%
rename from website/content/ChapterFour/0399.Evaluate-Division.md
rename to website/content/ChapterFour/0300~0399/0399.Evaluate-Division.md
index cdefaf23..efe0faef 100755
--- a/website/content/ChapterFour/0399.Evaluate-Division.md
+++ b/website/content/ChapterFour/0300~0399/0399.Evaluate-Division.md
@@ -119,6 +119,6 @@ func calcEquation(equations [][]string, values []float64, queries [][]string) []
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0397.Integer-Replacement/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0401.Binary-Watch/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0397.Integer-Replacement/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0401.Binary-Watch/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0300~0399/_index.md b/website/content/ChapterFour/0300~0399/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0300~0399/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0401.Binary-Watch.md b/website/content/ChapterFour/0400~0499/0401.Binary-Watch.md
similarity index 94%
rename from website/content/ChapterFour/0401.Binary-Watch.md
rename to website/content/ChapterFour/0400~0499/0401.Binary-Watch.md
index ae9162a2..462679a6 100755
--- a/website/content/ChapterFour/0401.Binary-Watch.md
+++ b/website/content/ChapterFour/0400~0499/0401.Binary-Watch.md
@@ -140,6 +140,6 @@ func findReadBinaryWatchHour(target, index int, c []int, res *[]string) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0399.Evaluate-Division/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0402.Remove-K-Digits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0300~0399/0399.Evaluate-Division/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0402.Remove-K-Digits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0402.Remove-K-Digits.md b/website/content/ChapterFour/0400~0499/0402.Remove-K-Digits.md
similarity index 90%
rename from website/content/ChapterFour/0402.Remove-K-Digits.md
rename to website/content/ChapterFour/0400~0499/0402.Remove-K-Digits.md
index e8f6c0e4..7e3592c6 100644
--- a/website/content/ChapterFour/0402.Remove-K-Digits.md
+++ b/website/content/ChapterFour/0400~0499/0402.Remove-K-Digits.md
@@ -90,6 +90,6 @@ func removeKdigits(num string, k int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0401.Binary-Watch/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0404.Sum-of-Left-Leaves/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0401.Binary-Watch/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0404.Sum-of-Left-Leaves.md b/website/content/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md
similarity index 80%
rename from website/content/ChapterFour/0404.Sum-of-Left-Leaves.md
rename to website/content/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md
index 18c83472..7e280d0f 100755
--- a/website/content/ChapterFour/0404.Sum-of-Left-Leaves.md
+++ b/website/content/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md
@@ -57,6 +57,6 @@ func sumOfLeftLeaves(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0402.Remove-K-Digits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0405.Convert-a-Number-to-Hexadecimal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0402.Remove-K-Digits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0405.Convert-a-Number-to-Hexadecimal.md b/website/content/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md
similarity index 90%
rename from website/content/ChapterFour/0405.Convert-a-Number-to-Hexadecimal.md
rename to website/content/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md
index 52d661c8..62615f8d 100755
--- a/website/content/ChapterFour/0405.Convert-a-Number-to-Hexadecimal.md
+++ b/website/content/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md
@@ -82,6 +82,6 @@ func toHex(num int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0404.Sum-of-Left-Leaves/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0409.Longest-Palindrome/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0409.Longest-Palindrome/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0409.Longest-Palindrome.md b/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
similarity index 86%
rename from website/content/ChapterFour/0409.Longest-Palindrome.md
rename to website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
index f0d3f136..2f6aa28a 100755
--- a/website/content/ChapterFour/0409.Longest-Palindrome.md
+++ b/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
@@ -59,6 +59,6 @@ func longestPalindrome(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0405.Convert-a-Number-to-Hexadecimal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0410.Split-Array-Largest-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0410.Split-Array-Largest-Sum.md b/website/content/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md
similarity index 91%
rename from website/content/ChapterFour/0410.Split-Array-Largest-Sum.md
rename to website/content/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md
index 5620d814..c84eebaa 100755
--- a/website/content/ChapterFour/0410.Split-Array-Largest-Sum.md
+++ b/website/content/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md
@@ -94,6 +94,6 @@ func calSum(mid, m int, nums []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0409.Longest-Palindrome/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0412.Fizz-Buzz/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0409.Longest-Palindrome/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0412.Fizz-Buzz/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0412.Fizz-Buzz.md b/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
similarity index 84%
rename from website/content/ChapterFour/0412.Fizz-Buzz.md
rename to website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
index 2dd24805..e7c37280 100644
--- a/website/content/ChapterFour/0412.Fizz-Buzz.md
+++ b/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
@@ -73,6 +73,6 @@ func fizzBuzz(n int) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0410.Split-Array-Largest-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0414.Third-Maximum-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0414.Third-Maximum-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0414.Third-Maximum-Number.md b/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
similarity index 87%
rename from website/content/ChapterFour/0414.Third-Maximum-Number.md
rename to website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
index cd2224b0..1d831338 100644
--- a/website/content/ChapterFour/0414.Third-Maximum-Number.md
+++ b/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
@@ -74,6 +74,6 @@ func thirdMax(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0412.Fizz-Buzz/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0416.Partition-Equal-Subset-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0412.Fizz-Buzz/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0416.Partition-Equal-Subset-Sum.md b/website/content/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md
similarity index 89%
rename from website/content/ChapterFour/0416.Partition-Equal-Subset-Sum.md
rename to website/content/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md
index 94fe2e3c..b1543170 100755
--- a/website/content/ChapterFour/0416.Partition-Equal-Subset-Sum.md
+++ b/website/content/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md
@@ -78,6 +78,6 @@ func canPartition(nums []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0414.Third-Maximum-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0414.Third-Maximum-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md b/website/content/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md
similarity index 94%
rename from website/content/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md
rename to website/content/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md
index 688e41e3..ea0db8a7 100755
--- a/website/content/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md
+++ b/website/content/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md
@@ -101,6 +101,6 @@ func findMaximumXOR1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0416.Partition-Equal-Subset-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0424.Longest-Repeating-Character-Replacement/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0424.Longest-Repeating-Character-Replacement.md b/website/content/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md
similarity index 89%
rename from website/content/ChapterFour/0424.Longest-Repeating-Character-Replacement.md
rename to website/content/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md
index 1762c02c..132dbcd2 100644
--- a/website/content/ChapterFour/0424.Longest-Repeating-Character-Replacement.md
+++ b/website/content/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md
@@ -87,6 +87,6 @@ func max(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0433.Minimum-Genetic-Mutation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0433.Minimum-Genetic-Mutation.md b/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
similarity index 94%
rename from website/content/ChapterFour/0433.Minimum-Genetic-Mutation.md
rename to website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
index 309dece2..2f6b2fd5 100755
--- a/website/content/ChapterFour/0433.Minimum-Genetic-Mutation.md
+++ b/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
@@ -185,6 +185,6 @@ func convert(gene string) uint32 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0424.Longest-Repeating-Character-Replacement/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0435.Non-overlapping-Intervals/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0435.Non-overlapping-Intervals/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0435.Non-overlapping-Intervals.md b/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
similarity index 93%
rename from website/content/ChapterFour/0435.Non-overlapping-Intervals.md
rename to website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
index de0366f7..9ab19644 100755
--- a/website/content/ChapterFour/0435.Non-overlapping-Intervals.md
+++ b/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
@@ -137,6 +137,6 @@ func eraseOverlapIntervals1(intervals [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0433.Minimum-Genetic-Mutation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0436.Find-Right-Interval/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0436.Find-Right-Interval/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0436.Find-Right-Interval.md b/website/content/ChapterFour/0400~0499/0436.Find-Right-Interval.md
similarity index 95%
rename from website/content/ChapterFour/0436.Find-Right-Interval.md
rename to website/content/ChapterFour/0400~0499/0436.Find-Right-Interval.md
index 5aef3a4a..d8b2d726 100755
--- a/website/content/ChapterFour/0436.Find-Right-Interval.md
+++ b/website/content/ChapterFour/0400~0499/0436.Find-Right-Interval.md
@@ -144,6 +144,6 @@ func searchFirstGreaterInterval(nums []Interval, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0435.Non-overlapping-Intervals/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0437.Path-Sum-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0435.Non-overlapping-Intervals/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0437.Path-Sum-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0437.Path-Sum-III.md b/website/content/ChapterFour/0400~0499/0437.Path-Sum-III.md
similarity index 91%
rename from website/content/ChapterFour/0437.Path-Sum-III.md
rename to website/content/ChapterFour/0400~0499/0437.Path-Sum-III.md
index 51b357f6..e05fc855 100755
--- a/website/content/ChapterFour/0437.Path-Sum-III.md
+++ b/website/content/ChapterFour/0400~0499/0437.Path-Sum-III.md
@@ -87,6 +87,6 @@ func findPath437(root *TreeNode, sum int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0436.Find-Right-Interval/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0438.Find-All-Anagrams-in-a-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0436.Find-Right-Interval/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0438.Find-All-Anagrams-in-a-String.md b/website/content/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md
similarity index 92%
rename from website/content/ChapterFour/0438.Find-All-Anagrams-in-a-String.md
rename to website/content/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md
index 207f321b..93d24093 100644
--- a/website/content/ChapterFour/0438.Find-All-Anagrams-in-a-String.md
+++ b/website/content/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md
@@ -108,6 +108,6 @@ func findAnagrams(s string, p string) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0437.Path-Sum-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0441.Arranging-Coins/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0437.Path-Sum-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0441.Arranging-Coins/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0441.Arranging-Coins.md b/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
similarity index 87%
rename from website/content/ChapterFour/0441.Arranging-Coins.md
rename to website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
index fb7ba3f7..33fdee75 100755
--- a/website/content/ChapterFour/0441.Arranging-Coins.md
+++ b/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
@@ -77,6 +77,6 @@ func arrangeCoins1(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0438.Find-All-Anagrams-in-a-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0445.Add-Two-Numbers-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0445.Add-Two-Numbers-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0445.Add-Two-Numbers-II.md b/website/content/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md
similarity index 91%
rename from website/content/ChapterFour/0445.Add-Two-Numbers-II.md
rename to website/content/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md
index f0b62889..9d167693 100644
--- a/website/content/ChapterFour/0445.Add-Two-Numbers-II.md
+++ b/website/content/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md
@@ -98,6 +98,6 @@ func getLength(l *ListNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0441.Arranging-Coins/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0447.Number-of-Boomerangs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0441.Arranging-Coins/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0447.Number-of-Boomerangs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0447.Number-of-Boomerangs.md b/website/content/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md
similarity index 88%
rename from website/content/ChapterFour/0447.Number-of-Boomerangs.md
rename to website/content/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md
index 44289f4d..33f3c1fd 100644
--- a/website/content/ChapterFour/0447.Number-of-Boomerangs.md
+++ b/website/content/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md
@@ -68,6 +68,6 @@ func dis(pa, pb []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0445.Add-Two-Numbers-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0445.Add-Two-Numbers-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array.md b/website/content/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md
similarity index 89%
rename from website/content/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array.md
rename to website/content/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md
index 02019d10..29532c7e 100644
--- a/website/content/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array.md
+++ b/website/content/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md
@@ -59,6 +59,6 @@ func findDisappearedNumbers(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0447.Number-of-Boomerangs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0451.Sort-Characters-By-Frequency/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0447.Number-of-Boomerangs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0451.Sort-Characters-By-Frequency.md b/website/content/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md
similarity index 86%
rename from website/content/ChapterFour/0451.Sort-Characters-By-Frequency.md
rename to website/content/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md
index 84d262a5..81a8d91a 100644
--- a/website/content/ChapterFour/0451.Sort-Characters-By-Frequency.md
+++ b/website/content/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md
@@ -115,6 +115,6 @@ func frequencySort(s string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements.md b/website/content/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md
similarity index 87%
rename from website/content/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements.md
rename to website/content/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md
index 7417b7ad..f868c33a 100644
--- a/website/content/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements.md
+++ b/website/content/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md
@@ -53,6 +53,6 @@ func minMoves(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0451.Sort-Characters-By-Frequency/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0454.4Sum-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0454.4Sum-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0454.4Sum-II.md b/website/content/ChapterFour/0400~0499/0454.4Sum-II.md
similarity index 87%
rename from website/content/ChapterFour/0454.4Sum-II.md
rename to website/content/ChapterFour/0400~0499/0454.4Sum-II.md
index 048a3452..5b97f45b 100644
--- a/website/content/ChapterFour/0454.4Sum-II.md
+++ b/website/content/ChapterFour/0400~0499/0454.4Sum-II.md
@@ -67,6 +67,6 @@ func fourSumCount(A []int, B []int, C []int, D []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0455.Assign-Cookies/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0455.Assign-Cookies/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0455.Assign-Cookies.md b/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
similarity index 93%
rename from website/content/ChapterFour/0455.Assign-Cookies.md
rename to website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
index bfdff43a..dfd13b3a 100755
--- a/website/content/ChapterFour/0455.Assign-Cookies.md
+++ b/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
@@ -71,6 +71,6 @@ func findContentChildren(g []int, s []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0454.4Sum-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0456.132-Pattern/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0454.4Sum-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0456.132-Pattern/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0456.132-Pattern.md b/website/content/ChapterFour/0400~0499/0456.132-Pattern.md
similarity index 91%
rename from website/content/ChapterFour/0456.132-Pattern.md
rename to website/content/ChapterFour/0400~0499/0456.132-Pattern.md
index 425aef1a..eca74359 100755
--- a/website/content/ChapterFour/0456.132-Pattern.md
+++ b/website/content/ChapterFour/0400~0499/0456.132-Pattern.md
@@ -105,6 +105,6 @@ func find132pattern1(nums []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0455.Assign-Cookies/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0457.Circular-Array-Loop/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0455.Assign-Cookies/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0457.Circular-Array-Loop/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0457.Circular-Array-Loop.md b/website/content/ChapterFour/0400~0499/0457.Circular-Array-Loop.md
similarity index 95%
rename from website/content/ChapterFour/0457.Circular-Array-Loop.md
rename to website/content/ChapterFour/0400~0499/0457.Circular-Array-Loop.md
index 3038fe2b..e665c389 100755
--- a/website/content/ChapterFour/0457.Circular-Array-Loop.md
+++ b/website/content/ChapterFour/0400~0499/0457.Circular-Array-Loop.md
@@ -106,6 +106,6 @@ func getNextIndex(nums []int, index int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0456.132-Pattern/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0460.LFU-Cache/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0456.132-Pattern/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0460.LFU-Cache/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0460.LFU-Cache.md b/website/content/ChapterFour/0400~0499/0460.LFU-Cache.md
similarity index 95%
rename from website/content/ChapterFour/0460.LFU-Cache.md
rename to website/content/ChapterFour/0400~0499/0460.LFU-Cache.md
index cc384229..dfbde243 100644
--- a/website/content/ChapterFour/0460.LFU-Cache.md
+++ b/website/content/ChapterFour/0400~0499/0460.LFU-Cache.md
@@ -144,6 +144,6 @@ func (this *LFUCache) Put(key int, value int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0457.Circular-Array-Loop/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0461.Hamming-Distance/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0457.Circular-Array-Loop/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0461.Hamming-Distance/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0461.Hamming-Distance.md b/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
similarity index 85%
rename from website/content/ChapterFour/0461.Hamming-Distance.md
rename to website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
index 0d85bdcb..9335d775 100755
--- a/website/content/ChapterFour/0461.Hamming-Distance.md
+++ b/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
@@ -55,6 +55,6 @@ func hammingDistance(x int, y int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0460.LFU-Cache/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0463.Island-Perimeter/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0460.LFU-Cache/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0463.Island-Perimeter/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0463.Island-Perimeter.md b/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
similarity index 90%
rename from website/content/ChapterFour/0463.Island-Perimeter.md
rename to website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
index b847d231..e0e60da7 100755
--- a/website/content/ChapterFour/0463.Island-Perimeter.md
+++ b/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
@@ -73,6 +73,6 @@ func islandPerimeter(grid [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0461.Hamming-Distance/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0470.Implement-Rand10-Using-Rand7/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0461.Hamming-Distance/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0470.Implement-Rand10-Using-Rand7.md b/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
similarity index 94%
rename from website/content/ChapterFour/0470.Implement-Rand10-Using-Rand7.md
rename to website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
index 06fca2cd..f36524a1 100755
--- a/website/content/ChapterFour/0470.Implement-Rand10-Using-Rand7.md
+++ b/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
@@ -102,6 +102,6 @@ func rand101() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0463.Island-Perimeter/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0474.Ones-and-Zeroes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0463.Island-Perimeter/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0474.Ones-and-Zeroes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0474.Ones-and-Zeroes.md b/website/content/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md
similarity index 93%
rename from website/content/ChapterFour/0474.Ones-and-Zeroes.md
rename to website/content/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md
index dddce982..8fefe5c8 100755
--- a/website/content/ChapterFour/0474.Ones-and-Zeroes.md
+++ b/website/content/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md
@@ -80,6 +80,6 @@ func findMaxForm(strs []string, m int, n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0470.Implement-Rand10-Using-Rand7/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0475.Heaters/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0475.Heaters/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0475.Heaters.md b/website/content/ChapterFour/0400~0499/0475.Heaters.md
similarity index 94%
rename from website/content/ChapterFour/0475.Heaters.md
rename to website/content/ChapterFour/0400~0499/0475.Heaters.md
index 8beba569..90e81ad3 100755
--- a/website/content/ChapterFour/0475.Heaters.md
+++ b/website/content/ChapterFour/0400~0499/0475.Heaters.md
@@ -124,6 +124,6 @@ func findRadius1(houses []int, heaters []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0474.Ones-and-Zeroes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0476.Number-Complement/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0474.Ones-and-Zeroes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0476.Number-Complement/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0476.Number-Complement.md b/website/content/ChapterFour/0400~0499/0476.Number-Complement.md
similarity index 89%
rename from website/content/ChapterFour/0476.Number-Complement.md
rename to website/content/ChapterFour/0400~0499/0476.Number-Complement.md
index cd3ca3b0..41198d10 100755
--- a/website/content/ChapterFour/0476.Number-Complement.md
+++ b/website/content/ChapterFour/0400~0499/0476.Number-Complement.md
@@ -70,6 +70,6 @@ func findComplement1(num int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0475.Heaters/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0477.Total-Hamming-Distance/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0475.Heaters/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0477.Total-Hamming-Distance/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0477.Total-Hamming-Distance.md b/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
similarity index 90%
rename from website/content/ChapterFour/0477.Total-Hamming-Distance.md
rename to website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
index 12970083..1d5768ab 100755
--- a/website/content/ChapterFour/0477.Total-Hamming-Distance.md
+++ b/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
@@ -68,6 +68,6 @@ func totalHammingDistance1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0476.Number-Complement/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0480.Sliding-Window-Median/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0476.Number-Complement/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0480.Sliding-Window-Median/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0480.Sliding-Window-Median.md b/website/content/ChapterFour/0400~0499/0480.Sliding-Window-Median.md
similarity index 96%
rename from website/content/ChapterFour/0480.Sliding-Window-Median.md
rename to website/content/ChapterFour/0400~0499/0480.Sliding-Window-Median.md
index 105da2eb..cf15f847 100755
--- a/website/content/ChapterFour/0480.Sliding-Window-Median.md
+++ b/website/content/ChapterFour/0400~0499/0480.Sliding-Window-Median.md
@@ -278,6 +278,6 @@ func (h *MaxHeapR) Remove(x int) { heap.Push(&h.hpDel, x) }
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0477.Total-Hamming-Distance/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0483.Smallest-Good-Base/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0477.Total-Hamming-Distance/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0483.Smallest-Good-Base/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0483.Smallest-Good-Base.md b/website/content/ChapterFour/0400~0499/0483.Smallest-Good-Base.md
similarity index 92%
rename from website/content/ChapterFour/0483.Smallest-Good-Base.md
rename to website/content/ChapterFour/0400~0499/0483.Smallest-Good-Base.md
index 6ab60aef..88e4c378 100755
--- a/website/content/ChapterFour/0483.Smallest-Good-Base.md
+++ b/website/content/ChapterFour/0400~0499/0483.Smallest-Good-Base.md
@@ -141,6 +141,6 @@ func findBase(mid, bit uint64) uint64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0480.Sliding-Window-Median/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0485.Max-Consecutive-Ones/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0480.Sliding-Window-Median/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0485.Max-Consecutive-Ones/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0485.Max-Consecutive-Ones.md b/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
similarity index 84%
rename from website/content/ChapterFour/0485.Max-Consecutive-Ones.md
rename to website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
index 02f757ef..afc46ab3 100644
--- a/website/content/ChapterFour/0485.Max-Consecutive-Ones.md
+++ b/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
@@ -61,6 +61,6 @@ func findMaxConsecutiveOnes(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0483.Smallest-Good-Base/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0491.Increasing-Subsequences/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0483.Smallest-Good-Base/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0491.Increasing-Subsequences/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0491.Increasing-Subsequences.md b/website/content/ChapterFour/0400~0499/0491.Increasing-Subsequences.md
similarity index 92%
rename from website/content/ChapterFour/0491.Increasing-Subsequences.md
rename to website/content/ChapterFour/0400~0499/0491.Increasing-Subsequences.md
index b7a1b4a7..a7271f6a 100755
--- a/website/content/ChapterFour/0491.Increasing-Subsequences.md
+++ b/website/content/ChapterFour/0400~0499/0491.Increasing-Subsequences.md
@@ -86,6 +86,6 @@ func generateIncSubsets(nums []int, current int, c []int, res *[][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0485.Max-Consecutive-Ones/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0493.Reverse-Pairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0485.Max-Consecutive-Ones/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0493.Reverse-Pairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0493.Reverse-Pairs.md b/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
similarity index 94%
rename from website/content/ChapterFour/0493.Reverse-Pairs.md
rename to website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
index 82bcc36b..d307f2b6 100755
--- a/website/content/ChapterFour/0493.Reverse-Pairs.md
+++ b/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
@@ -128,6 +128,6 @@ func mergesortCount(nums, buf []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0491.Increasing-Subsequences/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0494.Target-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0491.Increasing-Subsequences/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0494.Target-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0494.Target-Sum.md b/website/content/ChapterFour/0400~0499/0494.Target-Sum.md
similarity index 94%
rename from website/content/ChapterFour/0494.Target-Sum.md
rename to website/content/ChapterFour/0400~0499/0494.Target-Sum.md
index 16b49336..4dfd11e8 100644
--- a/website/content/ChapterFour/0494.Target-Sum.md
+++ b/website/content/ChapterFour/0400~0499/0494.Target-Sum.md
@@ -110,6 +110,6 @@ func dfsFindTargetSumWays(nums []int, index int, curSum int, S int, res *int, su
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0493.Reverse-Pairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0496.Next-Greater-Element-I/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0493.Reverse-Pairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0496.Next-Greater-Element-I/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0496.Next-Greater-Element-I.md b/website/content/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md
similarity index 89%
rename from website/content/ChapterFour/0496.Next-Greater-Element-I.md
rename to website/content/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md
index 8d60eb23..59678c7d 100644
--- a/website/content/ChapterFour/0496.Next-Greater-Element-I.md
+++ b/website/content/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md
@@ -82,6 +82,6 @@ func nextGreaterElement(nums1 []int, nums2 []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0494.Target-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0494.Target-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles.md b/website/content/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md
similarity index 94%
rename from website/content/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles.md
rename to website/content/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md
index 6819448c..6d6fa225 100755
--- a/website/content/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles.md
+++ b/website/content/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md
@@ -136,6 +136,6 @@ func (so *Solution497) Pick() []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0496.Next-Greater-Element-I/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0498.Diagonal-Traverse/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0496.Next-Greater-Element-I/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0498.Diagonal-Traverse/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0498.Diagonal-Traverse.md b/website/content/ChapterFour/0400~0499/0498.Diagonal-Traverse.md
similarity index 95%
rename from website/content/ChapterFour/0498.Diagonal-Traverse.md
rename to website/content/ChapterFour/0400~0499/0498.Diagonal-Traverse.md
index b6d0739c..674ddc2c 100755
--- a/website/content/ChapterFour/0498.Diagonal-Traverse.md
+++ b/website/content/ChapterFour/0400~0499/0498.Diagonal-Traverse.md
@@ -186,6 +186,6 @@ func addTraverse(matrix [][]int, i, j int, res *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500.Keyboard-Row/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0500.Keyboard-Row/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0400~0499/_index.md b/website/content/ChapterFour/0400~0499/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0400~0499/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0500.Keyboard-Row.md b/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
similarity index 86%
rename from website/content/ChapterFour/0500.Keyboard-Row.md
rename to website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
index 168b9370..9771d2e2 100755
--- a/website/content/ChapterFour/0500.Keyboard-Row.md
+++ b/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
@@ -64,6 +64,6 @@ func findWords500(words []string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0498.Diagonal-Traverse/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0503.Next-Greater-Element-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0400~0499/0498.Diagonal-Traverse/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0503.Next-Greater-Element-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0503.Next-Greater-Element-II.md b/website/content/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md
similarity index 93%
rename from website/content/ChapterFour/0503.Next-Greater-Element-II.md
rename to website/content/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md
index e9ff3ace..2974c302 100644
--- a/website/content/ChapterFour/0503.Next-Greater-Element-II.md
+++ b/website/content/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md
@@ -80,6 +80,6 @@ func nextGreaterElements1(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500.Keyboard-Row/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0507.Perfect-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0500.Keyboard-Row/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0507.Perfect-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0507.Perfect-Number.md b/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
similarity index 86%
rename from website/content/ChapterFour/0507.Perfect-Number.md
rename to website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
index 3092928a..fe2293ae 100644
--- a/website/content/ChapterFour/0507.Perfect-Number.md
+++ b/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
@@ -66,6 +66,6 @@ func checkPerfectNumber_(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0503.Next-Greater-Element-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0508.Most-Frequent-Subtree-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0503.Next-Greater-Element-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0508.Most-Frequent-Subtree-Sum.md b/website/content/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md
similarity index 93%
rename from website/content/ChapterFour/0508.Most-Frequent-Subtree-Sum.md
rename to website/content/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md
index 0b78939a..2467d23f 100755
--- a/website/content/ChapterFour/0508.Most-Frequent-Subtree-Sum.md
+++ b/website/content/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md
@@ -125,6 +125,6 @@ func findTreeSum(root *TreeNode, fre map[int]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0507.Perfect-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0509.Fibonacci-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0507.Perfect-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0509.Fibonacci-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0509.Fibonacci-Number.md b/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
similarity index 94%
rename from website/content/ChapterFour/0509.Fibonacci-Number.md
rename to website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
index 6986acbc..55c0de7d 100755
--- a/website/content/ChapterFour/0509.Fibonacci-Number.md
+++ b/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
@@ -192,6 +192,6 @@ func fibb(n int) <- chan int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0508.Most-Frequent-Subtree-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0513.Find-Bottom-Left-Tree-Value/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md b/website/content/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md
similarity index 89%
rename from website/content/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md
rename to website/content/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md
index 4c6683c4..bce46e77 100755
--- a/website/content/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md
+++ b/website/content/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md
@@ -114,6 +114,6 @@ func findBottomLeftValue1(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0509.Fibonacci-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0509.Fibonacci-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md b/website/content/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md
similarity index 86%
rename from website/content/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md
rename to website/content/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md
index cb60a179..40637279 100755
--- a/website/content/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md
+++ b/website/content/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md
@@ -95,6 +95,6 @@ func largestValues1(root *TreeNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0513.Find-Bottom-Left-Tree-Value/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md b/website/content/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md
similarity index 87%
rename from website/content/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md
rename to website/content/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md
index f9e5044a..1bd98aec 100644
--- a/website/content/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md
+++ b/website/content/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md
@@ -78,6 +78,6 @@ func findLongestWord(s string, d []string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0526.Beautiful-Arrangement/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0526.Beautiful-Arrangement/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0526.Beautiful-Arrangement.md b/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
similarity index 92%
rename from website/content/ChapterFour/0526.Beautiful-Arrangement.md
rename to website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
index 5dee55d6..4c91731a 100755
--- a/website/content/ChapterFour/0526.Beautiful-Arrangement.md
+++ b/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
@@ -112,6 +112,6 @@ func checkDivisible(num, d int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0528.Random-Pick-with-Weight/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0528.Random-Pick-with-Weight/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0528.Random-Pick-with-Weight.md b/website/content/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md
similarity index 93%
rename from website/content/ChapterFour/0528.Random-Pick-with-Weight.md
rename to website/content/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md
index ce18b24e..3b83ea43 100755
--- a/website/content/ChapterFour/0528.Random-Pick-with-Weight.md
+++ b/website/content/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md
@@ -110,6 +110,6 @@ func (so *Solution528) PickIndex() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0526.Beautiful-Arrangement/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0529.Minesweeper/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0526.Beautiful-Arrangement/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0529.Minesweeper/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0529.Minesweeper.md b/website/content/ChapterFour/0500~0599/0529.Minesweeper.md
similarity index 95%
rename from website/content/ChapterFour/0529.Minesweeper.md
rename to website/content/ChapterFour/0500~0599/0529.Minesweeper.md
index d1b7ed79..b6a4b57b 100644
--- a/website/content/ChapterFour/0529.Minesweeper.md
+++ b/website/content/ChapterFour/0500~0599/0529.Minesweeper.md
@@ -147,6 +147,6 @@ func mineSweeper(x, y int, board [][]byte, mineMap [][]int, dir8 [][]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0528.Random-Pick-with-Weight/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0532.K-diff-Pairs-in-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0528.Random-Pick-with-Weight/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0532.K-diff-Pairs-in-an-Array.md b/website/content/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md
similarity index 89%
rename from website/content/ChapterFour/0532.K-diff-Pairs-in-an-Array.md
rename to website/content/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md
index ff546c26..c20e4c4b 100644
--- a/website/content/ChapterFour/0532.K-diff-Pairs-in-an-Array.md
+++ b/website/content/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md
@@ -97,6 +97,6 @@ func findPairs(nums []int, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0529.Minesweeper/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0537.Complex-Number-Multiplication/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0529.Minesweeper/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0537.Complex-Number-Multiplication/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0537.Complex-Number-Multiplication.md b/website/content/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md
similarity index 89%
rename from website/content/ChapterFour/0537.Complex-Number-Multiplication.md
rename to website/content/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md
index 6f0c11bb..27290549 100644
--- a/website/content/ChapterFour/0537.Complex-Number-Multiplication.md
+++ b/website/content/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md
@@ -75,6 +75,6 @@ func parse(s string) (int, int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0532.K-diff-Pairs-in-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0541.Reverse-String-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0541.Reverse-String-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0541.Reverse-String-II.md b/website/content/ChapterFour/0500~0599/0541.Reverse-String-II.md
similarity index 88%
rename from website/content/ChapterFour/0541.Reverse-String-II.md
rename to website/content/ChapterFour/0500~0599/0541.Reverse-String-II.md
index 6c2c50c9..a55d0603 100755
--- a/website/content/ChapterFour/0541.Reverse-String-II.md
+++ b/website/content/ChapterFour/0500~0599/0541.Reverse-String-II.md
@@ -58,6 +58,6 @@ func reverseStr(s string, k int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0537.Complex-Number-Multiplication/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0542.01-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0537.Complex-Number-Multiplication/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0542.01-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0542.01-Matrix.md b/website/content/ChapterFour/0500~0599/0542.01-Matrix.md
similarity index 95%
rename from website/content/ChapterFour/0542.01-Matrix.md
rename to website/content/ChapterFour/0500~0599/0542.01-Matrix.md
index 5dc0b0b3..96e59629 100755
--- a/website/content/ChapterFour/0542.01-Matrix.md
+++ b/website/content/ChapterFour/0500~0599/0542.01-Matrix.md
@@ -204,6 +204,6 @@ func updateMatrixDP(matrix [][]int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0541.Reverse-String-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0547.Number-of-Provinces/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0541.Reverse-String-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0547.Number-of-Provinces/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0547.Number-of-Provinces.md b/website/content/ChapterFour/0500~0599/0547.Number-of-Provinces.md
similarity index 93%
rename from website/content/ChapterFour/0547.Number-of-Provinces.md
rename to website/content/ChapterFour/0500~0599/0547.Number-of-Provinces.md
index 727eaa16..1515667c 100755
--- a/website/content/ChapterFour/0547.Number-of-Provinces.md
+++ b/website/content/ChapterFour/0500~0599/0547.Number-of-Provinces.md
@@ -113,6 +113,6 @@ func dfs547(M [][]int, cur int, visited []bool) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0542.01-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0557.Reverse-Words-in-a-String-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0542.01-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0557.Reverse-Words-in-a-String-III.md b/website/content/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md
similarity index 85%
rename from website/content/ChapterFour/0557.Reverse-Words-in-a-String-III.md
rename to website/content/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md
index 91251032..d0ab404c 100755
--- a/website/content/ChapterFour/0557.Reverse-Words-in-a-String-III.md
+++ b/website/content/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md
@@ -59,6 +59,6 @@ func revers(s string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0547.Number-of-Provinces/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0561.Array-Partition-I/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0547.Number-of-Provinces/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0561.Array-Partition-I/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0561.Array-Partition-I.md b/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
similarity index 92%
rename from website/content/ChapterFour/0561.Array-Partition-I.md
rename to website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
index 0b146a5a..cb8dc31e 100644
--- a/website/content/ChapterFour/0561.Array-Partition-I.md
+++ b/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
@@ -60,6 +60,6 @@ func arrayPairSum(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0557.Reverse-Words-in-a-String-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0563.Binary-Tree-Tilt/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0563.Binary-Tree-Tilt/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0563.Binary-Tree-Tilt.md b/website/content/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md
similarity index 91%
rename from website/content/ChapterFour/0563.Binary-Tree-Tilt.md
rename to website/content/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md
index 23bdf2ab..83b5be1b 100755
--- a/website/content/ChapterFour/0563.Binary-Tree-Tilt.md
+++ b/website/content/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md
@@ -85,6 +85,6 @@ func findTiltDFS(root *TreeNode, sum *int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0561.Array-Partition-I/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0566.Reshape-the-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0561.Array-Partition-I/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0566.Reshape-the-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0566.Reshape-the-Matrix.md b/website/content/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md
similarity index 92%
rename from website/content/ChapterFour/0566.Reshape-the-Matrix.md
rename to website/content/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md
index 694ab4b7..7097fece 100755
--- a/website/content/ChapterFour/0566.Reshape-the-Matrix.md
+++ b/website/content/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md
@@ -104,6 +104,6 @@ func reshape(nums [][]int, r, c int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0563.Binary-Tree-Tilt/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0567.Permutation-in-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0563.Binary-Tree-Tilt/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0567.Permutation-in-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0567.Permutation-in-String.md b/website/content/ChapterFour/0500~0599/0567.Permutation-in-String.md
similarity index 87%
rename from website/content/ChapterFour/0567.Permutation-in-String.md
rename to website/content/ChapterFour/0500~0599/0567.Permutation-in-String.md
index 5ca69e64..35262e5d 100644
--- a/website/content/ChapterFour/0567.Permutation-in-String.md
+++ b/website/content/ChapterFour/0500~0599/0567.Permutation-in-String.md
@@ -89,6 +89,6 @@ func checkInclusion(s1 string, s2 string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0566.Reshape-the-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0572.Subtree-of-Another-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0566.Reshape-the-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0572.Subtree-of-Another-Tree.md b/website/content/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md
similarity index 89%
rename from website/content/ChapterFour/0572.Subtree-of-Another-Tree.md
rename to website/content/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md
index 38df9747..9781a179 100755
--- a/website/content/ChapterFour/0572.Subtree-of-Another-Tree.md
+++ b/website/content/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md
@@ -89,6 +89,6 @@ func isSubtree(s *TreeNode, t *TreeNode) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0567.Permutation-in-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0575.Distribute-Candies/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0567.Permutation-in-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0575.Distribute-Candies/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0575.Distribute-Candies.md b/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
similarity index 89%
rename from website/content/ChapterFour/0575.Distribute-Candies.md
rename to website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
index 98421846..5b27abd6 100755
--- a/website/content/ChapterFour/0575.Distribute-Candies.md
+++ b/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
@@ -61,6 +61,6 @@ func distributeCandies(candies []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0572.Subtree-of-Another-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0594.Longest-Harmonious-Subsequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0594.Longest-Harmonious-Subsequence.md b/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
similarity index 88%
rename from website/content/ChapterFour/0594.Longest-Harmonious-Subsequence.md
rename to website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
index e580f1b8..06110aef 100755
--- a/website/content/ChapterFour/0594.Longest-Harmonious-Subsequence.md
+++ b/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
@@ -59,6 +59,6 @@ func findLHS(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0575.Distribute-Candies/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0598.Range-Addition-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0575.Distribute-Candies/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0598.Range-Addition-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0598.Range-Addition-II.md b/website/content/ChapterFour/0500~0599/0598.Range-Addition-II.md
similarity index 91%
rename from website/content/ChapterFour/0598.Range-Addition-II.md
rename to website/content/ChapterFour/0500~0599/0598.Range-Addition-II.md
index 2629104d..c4ca5720 100644
--- a/website/content/ChapterFour/0598.Range-Addition-II.md
+++ b/website/content/ChapterFour/0500~0599/0598.Range-Addition-II.md
@@ -84,6 +84,6 @@ func min(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0594.Longest-Harmonious-Subsequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists.md b/website/content/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md
similarity index 91%
rename from website/content/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists.md
rename to website/content/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md
index 98bedc57..a33f1d28 100755
--- a/website/content/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists.md
+++ b/website/content/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md
@@ -79,6 +79,6 @@ func findRestaurant(list1 []string, list2 []string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0598.Range-Addition-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0605.Can-Place-Flowers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0598.Range-Addition-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0605.Can-Place-Flowers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0500~0599/_index.md b/website/content/ChapterFour/0500~0599/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0500~0599/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0605.Can-Place-Flowers.md b/website/content/ChapterFour/0600~0699/0605.Can-Place-Flowers.md
similarity index 90%
rename from website/content/ChapterFour/0605.Can-Place-Flowers.md
rename to website/content/ChapterFour/0600~0699/0605.Can-Place-Flowers.md
index c873052e..0e26b084 100644
--- a/website/content/ChapterFour/0605.Can-Place-Flowers.md
+++ b/website/content/ChapterFour/0600~0699/0605.Can-Place-Flowers.md
@@ -62,6 +62,6 @@ func canPlaceFlowers(flowerbed []int, n int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0628.Maximum-Product-of-Three-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md b/website/content/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md
similarity index 90%
rename from website/content/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md
rename to website/content/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md
index ca87c3f1..94180ac3 100755
--- a/website/content/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md
+++ b/website/content/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md
@@ -105,6 +105,6 @@ func maximumProduct1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0605.Can-Place-Flowers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0605.Can-Place-Flowers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md b/website/content/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
similarity index 93%
rename from website/content/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
rename to website/content/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
index 9b77ea7e..ec1310e4 100755
--- a/website/content/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
+++ b/website/content/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
@@ -115,6 +115,6 @@ func (p SortByVal) Less(i, j int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0628.Maximum-Product-of-Three-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0633.Sum-of-Square-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0633.Sum-of-Square-Numbers.md b/website/content/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md
similarity index 82%
rename from website/content/ChapterFour/0633.Sum-of-Square-Numbers.md
rename to website/content/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md
index 5db9b22e..de723cae 100755
--- a/website/content/ChapterFour/0633.Sum-of-Square-Numbers.md
+++ b/website/content/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md
@@ -55,6 +55,6 @@ func judgeSquareSum(c int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0636.Exclusive-Time-of-Functions/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0636.Exclusive-Time-of-Functions.md b/website/content/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md
similarity index 93%
rename from website/content/ChapterFour/0636.Exclusive-Time-of-Functions.md
rename to website/content/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md
index 49ebc64a..ebe7628c 100755
--- a/website/content/ChapterFour/0636.Exclusive-Time-of-Functions.md
+++ b/website/content/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md
@@ -102,6 +102,6 @@ func exclusiveTime(n int, logs []string) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0633.Sum-of-Square-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0637.Average-of-Levels-in-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0637.Average-of-Levels-in-Binary-Tree.md b/website/content/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md
similarity index 87%
rename from website/content/ChapterFour/0637.Average-of-Levels-in-Binary-Tree.md
rename to website/content/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md
index 494e17b3..256e1e0b 100644
--- a/website/content/ChapterFour/0637.Average-of-Levels-in-Binary-Tree.md
+++ b/website/content/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md
@@ -87,6 +87,6 @@ func averageOfLevels(root *TreeNode) []float64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0636.Exclusive-Time-of-Functions/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0638.Shopping-Offers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0638.Shopping-Offers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0638.Shopping-Offers.md b/website/content/ChapterFour/0600~0699/0638.Shopping-Offers.md
similarity index 95%
rename from website/content/ChapterFour/0638.Shopping-Offers.md
rename to website/content/ChapterFour/0600~0699/0638.Shopping-Offers.md
index e139c7b8..978efc8b 100644
--- a/website/content/ChapterFour/0638.Shopping-Offers.md
+++ b/website/content/ChapterFour/0600~0699/0638.Shopping-Offers.md
@@ -131,6 +131,6 @@ func dfsShoppingOffers(price []int, special [][]int, needs []int, pay int, res *
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0637.Average-of-Levels-in-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0645.Set-Mismatch/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0645.Set-Mismatch/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0645.Set-Mismatch.md b/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
similarity index 89%
rename from website/content/ChapterFour/0645.Set-Mismatch.md
rename to website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
index 389004d7..0a1e7020 100755
--- a/website/content/ChapterFour/0645.Set-Mismatch.md
+++ b/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
@@ -64,6 +64,6 @@ func findErrorNums(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0638.Shopping-Offers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0648.Replace-Words/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0638.Shopping-Offers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0648.Replace-Words/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0648.Replace-Words.md b/website/content/ChapterFour/0600~0699/0648.Replace-Words.md
similarity index 93%
rename from website/content/ChapterFour/0648.Replace-Words.md
rename to website/content/ChapterFour/0600~0699/0648.Replace-Words.md
index d47adb84..0130dce4 100755
--- a/website/content/ChapterFour/0648.Replace-Words.md
+++ b/website/content/ChapterFour/0600~0699/0648.Replace-Words.md
@@ -113,6 +113,6 @@ func replaceWords1(dict []string, sentence string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0645.Set-Mismatch/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0645.Set-Mismatch/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST.md b/website/content/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md
similarity index 87%
rename from website/content/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST.md
rename to website/content/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md
index bf1681f0..4d13db56 100755
--- a/website/content/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST.md
+++ b/website/content/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md
@@ -77,6 +77,6 @@ func findTargetDFS(root *TreeNode, k int, m map[int]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0648.Replace-Words/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0658.Find-K-Closest-Elements/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0648.Replace-Words/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0658.Find-K-Closest-Elements/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0658.Find-K-Closest-Elements.md b/website/content/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md
similarity index 92%
rename from website/content/ChapterFour/0658.Find-K-Closest-Elements.md
rename to website/content/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md
index cc6ea000..a818069d 100755
--- a/website/content/ChapterFour/0658.Find-K-Closest-Elements.md
+++ b/website/content/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md
@@ -84,6 +84,6 @@ func findClosestElements1(arr []int, k int, x int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0661.Image-Smoother/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0661.Image-Smoother/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0661.Image-Smoother.md b/website/content/ChapterFour/0600~0699/0661.Image-Smoother.md
similarity index 91%
rename from website/content/ChapterFour/0661.Image-Smoother.md
rename to website/content/ChapterFour/0600~0699/0661.Image-Smoother.md
index 898ac924..048d5da9 100644
--- a/website/content/ChapterFour/0661.Image-Smoother.md
+++ b/website/content/ChapterFour/0600~0699/0661.Image-Smoother.md
@@ -113,6 +113,6 @@ func smooth(x, y int, M [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0658.Find-K-Closest-Elements/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0662.Maximum-Width-of-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0658.Find-K-Closest-Elements/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0662.Maximum-Width-of-Binary-Tree.md b/website/content/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md
similarity index 95%
rename from website/content/ChapterFour/0662.Maximum-Width-of-Binary-Tree.md
rename to website/content/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md
index 00a6fb10..6975b34d 100755
--- a/website/content/ChapterFour/0662.Maximum-Width-of-Binary-Tree.md
+++ b/website/content/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md
@@ -154,6 +154,6 @@ func widthOfBinaryTree(root *TreeNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0661.Image-Smoother/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0661.Image-Smoother/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table.md b/website/content/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md
similarity index 90%
rename from website/content/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table.md
rename to website/content/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md
index cac282b2..7643ffe3 100755
--- a/website/content/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table.md
+++ b/website/content/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md
@@ -86,6 +86,6 @@ func counterKthNum(m, n, mid int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0662.Maximum-Width-of-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence.md b/website/content/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md
similarity index 88%
rename from website/content/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence.md
rename to website/content/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md
index af34e78f..58966b72 100644
--- a/website/content/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence.md
+++ b/website/content/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md
@@ -71,6 +71,6 @@ func max(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0676.Implement-Magic-Dictionary/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0676.Implement-Magic-Dictionary.md b/website/content/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md
similarity index 92%
rename from website/content/ChapterFour/0676.Implement-Magic-Dictionary.md
rename to website/content/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md
index 13e25288..c0d96e1a 100755
--- a/website/content/ChapterFour/0676.Implement-Magic-Dictionary.md
+++ b/website/content/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md
@@ -89,6 +89,6 @@ func (this *MagicDictionary) Search(word string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0682.Baseball-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0682.Baseball-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0682.Baseball-Game.md b/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
similarity index 92%
rename from website/content/ChapterFour/0682.Baseball-Game.md
rename to website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
index 447934fb..a85678d4 100644
--- a/website/content/ChapterFour/0682.Baseball-Game.md
+++ b/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
@@ -108,6 +108,6 @@ func calPoints(ops []string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0676.Implement-Magic-Dictionary/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0684.Redundant-Connection/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0684.Redundant-Connection/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0684.Redundant-Connection.md b/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
similarity index 93%
rename from website/content/ChapterFour/0684.Redundant-Connection.md
rename to website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
index 5348b2b9..6f48fee3 100755
--- a/website/content/ChapterFour/0684.Redundant-Connection.md
+++ b/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
@@ -87,6 +87,6 @@ func findRedundantConnection(edges [][]int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0682.Baseball-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0685.Redundant-Connection-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0682.Baseball-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0685.Redundant-Connection-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0685.Redundant-Connection-II.md b/website/content/ChapterFour/0600~0699/0685.Redundant-Connection-II.md
similarity index 95%
rename from website/content/ChapterFour/0685.Redundant-Connection-II.md
rename to website/content/ChapterFour/0600~0699/0685.Redundant-Connection-II.md
index f96a97c7..b6befebf 100755
--- a/website/content/ChapterFour/0685.Redundant-Connection-II.md
+++ b/website/content/ChapterFour/0600~0699/0685.Redundant-Connection-II.md
@@ -112,6 +112,6 @@ func findRoot(parent *[]int, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0684.Redundant-Connection/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0693.Binary-Number-with-Alternating-Bits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0684.Redundant-Connection/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0693.Binary-Number-with-Alternating-Bits.md b/website/content/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md
similarity index 88%
rename from website/content/ChapterFour/0693.Binary-Number-with-Alternating-Bits.md
rename to website/content/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md
index 0a75d45c..e363ecde 100755
--- a/website/content/ChapterFour/0693.Binary-Number-with-Alternating-Bits.md
+++ b/website/content/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md
@@ -82,6 +82,6 @@ func hasAlternatingBits1(n int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0685.Redundant-Connection-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0695.Max-Area-of-Island/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0685.Redundant-Connection-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0695.Max-Area-of-Island/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0695.Max-Area-of-Island.md b/website/content/ChapterFour/0600~0699/0695.Max-Area-of-Island.md
similarity index 90%
rename from website/content/ChapterFour/0695.Max-Area-of-Island.md
rename to website/content/ChapterFour/0600~0699/0695.Max-Area-of-Island.md
index 6d5ee78a..8e4d4633 100644
--- a/website/content/ChapterFour/0695.Max-Area-of-Island.md
+++ b/website/content/ChapterFour/0600~0699/0695.Max-Area-of-Island.md
@@ -79,6 +79,6 @@ func areaOfIsland(grid [][]int, x, y int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0693.Binary-Number-with-Alternating-Bits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0697.Degree-of-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0697.Degree-of-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0697.Degree-of-an-Array.md b/website/content/ChapterFour/0600~0699/0697.Degree-of-an-Array.md
similarity index 91%
rename from website/content/ChapterFour/0697.Degree-of-an-Array.md
rename to website/content/ChapterFour/0600~0699/0697.Degree-of-an-Array.md
index 25cf311a..3b0f4bfd 100644
--- a/website/content/ChapterFour/0697.Degree-of-an-Array.md
+++ b/website/content/ChapterFour/0600~0699/0697.Degree-of-an-Array.md
@@ -82,6 +82,6 @@ func findShortestSubArray(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0695.Max-Area-of-Island/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0699.Falling-Squares/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0695.Max-Area-of-Island/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0699.Falling-Squares/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0699.Falling-Squares.md b/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
similarity index 96%
rename from website/content/ChapterFour/0699.Falling-Squares.md
rename to website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
index 7986f80e..6e2b84a4 100755
--- a/website/content/ChapterFour/0699.Falling-Squares.md
+++ b/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
@@ -147,6 +147,6 @@ func discretization(positions [][]int) map[int]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0697.Degree-of-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0704.Binary-Search/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0697.Degree-of-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0704.Binary-Search/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0600~0699/_index.md b/website/content/ChapterFour/0600~0699/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0600~0699/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0704.Binary-Search.md b/website/content/ChapterFour/0700~0799/0704.Binary-Search.md
similarity index 88%
rename from website/content/ChapterFour/0704.Binary-Search.md
rename to website/content/ChapterFour/0700~0799/0704.Binary-Search.md
index ea9b82b3..64fc5a4c 100755
--- a/website/content/ChapterFour/0704.Binary-Search.md
+++ b/website/content/ChapterFour/0700~0799/0704.Binary-Search.md
@@ -69,6 +69,6 @@ func search704(nums []int, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0699.Falling-Squares/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0705.Design-HashSet/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0600~0699/0699.Falling-Squares/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0705.Design-HashSet/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0705.Design-HashSet.md b/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
similarity index 91%
rename from website/content/ChapterFour/0705.Design-HashSet.md
rename to website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
index da4d3578..c535d896 100755
--- a/website/content/ChapterFour/0705.Design-HashSet.md
+++ b/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
@@ -96,6 +96,6 @@ func (this *MyHashSet) Contains(key int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0704.Binary-Search/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0706.Design-HashMap/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0704.Binary-Search/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0706.Design-HashMap/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0706.Design-HashMap.md b/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
similarity index 94%
rename from website/content/ChapterFour/0706.Design-HashMap.md
rename to website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
index 786c2cab..e941b88e 100755
--- a/website/content/ChapterFour/0706.Design-HashMap.md
+++ b/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
@@ -153,6 +153,6 @@ func (this *MyHashMap) Hash(value int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0705.Design-HashSet/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0707.Design-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0705.Design-HashSet/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0707.Design-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0707.Design-Linked-List.md b/website/content/ChapterFour/0700~0799/0707.Design-Linked-List.md
similarity index 94%
rename from website/content/ChapterFour/0707.Design-Linked-List.md
rename to website/content/ChapterFour/0700~0799/0707.Design-Linked-List.md
index 6930dd2f..c42b3426 100644
--- a/website/content/ChapterFour/0707.Design-Linked-List.md
+++ b/website/content/ChapterFour/0700~0799/0707.Design-Linked-List.md
@@ -142,6 +142,6 @@ func (this *MyLinkedList) DeleteAtIndex(index int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0706.Design-HashMap/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0710.Random-Pick-with-Blacklist/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0706.Design-HashMap/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0710.Random-Pick-with-Blacklist.md b/website/content/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md
similarity index 93%
rename from website/content/ChapterFour/0710.Random-Pick-with-Blacklist.md
rename to website/content/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md
index 8622e8ed..f8054087 100644
--- a/website/content/ChapterFour/0710.Random-Pick-with-Blacklist.md
+++ b/website/content/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md
@@ -147,6 +147,6 @@ func (this *Solution) Pick() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0707.Design-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0713.Subarray-Product-Less-Than-K/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0707.Design-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0713.Subarray-Product-Less-Than-K.md b/website/content/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md
similarity index 85%
rename from website/content/ChapterFour/0713.Subarray-Product-Less-Than-K.md
rename to website/content/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md
index 47182853..11c50a4b 100644
--- a/website/content/ChapterFour/0713.Subarray-Product-Less-Than-K.md
+++ b/website/content/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md
@@ -67,6 +67,6 @@ func numSubarrayProductLessThanK(nums []int, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0710.Random-Pick-with-Blacklist/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md b/website/content/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md
similarity index 92%
rename from website/content/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md
rename to website/content/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md
index 9a4f62fb..055c8f84 100755
--- a/website/content/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md
+++ b/website/content/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md
@@ -82,6 +82,6 @@ func maxProfit714_1(prices []int, fee int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0713.Subarray-Product-Less-Than-K/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0715.Range-Module/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0715.Range-Module/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0715.Range-Module.md b/website/content/ChapterFour/0700~0799/0715.Range-Module.md
similarity index 97%
rename from website/content/ChapterFour/0715.Range-Module.md
rename to website/content/ChapterFour/0700~0799/0715.Range-Module.md
index 80b3a39b..27defe3d 100755
--- a/website/content/ChapterFour/0715.Range-Module.md
+++ b/website/content/ChapterFour/0700~0799/0715.Range-Module.md
@@ -272,6 +272,6 @@ func query(node *SegmentTreeNode, start, end int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0717.1-bit-and-2-bit-Characters/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0717.1-bit-and-2-bit-Characters.md b/website/content/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md
similarity index 91%
rename from website/content/ChapterFour/0717.1-bit-and-2-bit-Characters.md
rename to website/content/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md
index 82de8dfc..baf0dc10 100755
--- a/website/content/ChapterFour/0717.1-bit-and-2-bit-Characters.md
+++ b/website/content/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md
@@ -67,6 +67,6 @@ func isOneBitCharacter(bits []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0715.Range-Module/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0715.Range-Module/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md b/website/content/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md
similarity index 94%
rename from website/content/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md
rename to website/content/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md
index 211ef777..004d6f82 100755
--- a/website/content/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md
+++ b/website/content/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md
@@ -125,6 +125,6 @@ func findLength1(A []int, B []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0717.1-bit-and-2-bit-Characters/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md b/website/content/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md
similarity index 91%
rename from website/content/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md
rename to website/content/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md
index d529b244..3f85a6de 100755
--- a/website/content/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md
+++ b/website/content/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md
@@ -99,6 +99,6 @@ func findDistanceCount1(nums []int, num int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0720.Longest-Word-in-Dictionary/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0720.Longest-Word-in-Dictionary.md b/website/content/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md
similarity index 90%
rename from website/content/ChapterFour/0720.Longest-Word-in-Dictionary.md
rename to website/content/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md
index 27b9c7a1..f35712bb 100755
--- a/website/content/ChapterFour/0720.Longest-Word-in-Dictionary.md
+++ b/website/content/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md
@@ -74,6 +74,6 @@ func longestWord(words []string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0721.Accounts-Merge/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0721.Accounts-Merge/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0721.Accounts-Merge.md b/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
similarity index 96%
rename from website/content/ChapterFour/0721.Accounts-Merge.md
rename to website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
index 42c63ba1..dfe1190c 100755
--- a/website/content/ChapterFour/0721.Accounts-Merge.md
+++ b/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
@@ -151,6 +151,6 @@ func accountsMerge1(accounts [][]string) [][]string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0720.Longest-Word-in-Dictionary/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0724.Find-Pivot-Index/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0724.Find-Pivot-Index/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0724.Find-Pivot-Index.md b/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
similarity index 90%
rename from website/content/ChapterFour/0724.Find-Pivot-Index.md
rename to website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
index 5360bf54..23a7aeee 100644
--- a/website/content/ChapterFour/0724.Find-Pivot-Index.md
+++ b/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
@@ -76,6 +76,6 @@ func pivotIndex(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0721.Accounts-Merge/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0725.Split-Linked-List-in-Parts/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0721.Accounts-Merge/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0725.Split-Linked-List-in-Parts.md b/website/content/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md
similarity index 94%
rename from website/content/ChapterFour/0725.Split-Linked-List-in-Parts.md
rename to website/content/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md
index 7bc0e10e..310afd70 100644
--- a/website/content/ChapterFour/0725.Split-Linked-List-in-Parts.md
+++ b/website/content/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md
@@ -144,6 +144,6 @@ func getLength(l *ListNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0724.Find-Pivot-Index/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0726.Number-of-Atoms/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0724.Find-Pivot-Index/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0726.Number-of-Atoms/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0726.Number-of-Atoms.md b/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
similarity index 95%
rename from website/content/ChapterFour/0726.Number-of-Atoms.md
rename to website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
index a885505c..3cbf7a4f 100755
--- a/website/content/ChapterFour/0726.Number-of-Atoms.md
+++ b/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
@@ -188,6 +188,6 @@ func isLowerLetter(v byte) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0725.Split-Linked-List-in-Parts/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0729.My-Calendar-I/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0729.My-Calendar-I/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0729.My-Calendar-I.md b/website/content/ChapterFour/0700~0799/0729.My-Calendar-I.md
similarity index 96%
rename from website/content/ChapterFour/0729.My-Calendar-I.md
rename to website/content/ChapterFour/0700~0799/0729.My-Calendar-I.md
index 15bb691d..6c7cf30b 100755
--- a/website/content/ChapterFour/0729.My-Calendar-I.md
+++ b/website/content/ChapterFour/0700~0799/0729.My-Calendar-I.md
@@ -182,6 +182,6 @@ func (this *MyCalendar) Book(start int, end int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0726.Number-of-Atoms/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0732.My-Calendar-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0726.Number-of-Atoms/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0732.My-Calendar-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0732.My-Calendar-III.md b/website/content/ChapterFour/0700~0799/0732.My-Calendar-III.md
similarity index 96%
rename from website/content/ChapterFour/0732.My-Calendar-III.md
rename to website/content/ChapterFour/0700~0799/0732.My-Calendar-III.md
index 16114138..170edfd7 100755
--- a/website/content/ChapterFour/0732.My-Calendar-III.md
+++ b/website/content/ChapterFour/0700~0799/0732.My-Calendar-III.md
@@ -144,6 +144,6 @@ func (st *SegmentTree732) book(start, end int, maxHeight *int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0729.My-Calendar-I/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0733.Flood-Fill/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0729.My-Calendar-I/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0733.Flood-Fill/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0733.Flood-Fill.md b/website/content/ChapterFour/0700~0799/0733.Flood-Fill.md
similarity index 93%
rename from website/content/ChapterFour/0733.Flood-Fill.md
rename to website/content/ChapterFour/0700~0799/0733.Flood-Fill.md
index b66a77a7..9fee69a4 100755
--- a/website/content/ChapterFour/0733.Flood-Fill.md
+++ b/website/content/ChapterFour/0700~0799/0733.Flood-Fill.md
@@ -83,6 +83,6 @@ func dfs733(image [][]int, x, y int, newColor int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0732.My-Calendar-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0735.Asteroid-Collision/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0732.My-Calendar-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0735.Asteroid-Collision/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0735.Asteroid-Collision.md b/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
similarity index 93%
rename from website/content/ChapterFour/0735.Asteroid-Collision.md
rename to website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
index a9933fdb..7a9227f5 100644
--- a/website/content/ChapterFour/0735.Asteroid-Collision.md
+++ b/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
@@ -107,6 +107,6 @@ func asteroidCollision(asteroids []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0733.Flood-Fill/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0739.Daily-Temperatures/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0733.Flood-Fill/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0739.Daily-Temperatures/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0739.Daily-Temperatures.md b/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
similarity index 86%
rename from website/content/ChapterFour/0739.Daily-Temperatures.md
rename to website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
index 514474e8..4a15a20b 100644
--- a/website/content/ChapterFour/0739.Daily-Temperatures.md
+++ b/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
@@ -61,6 +61,6 @@ func dailyTemperatures1(T []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0735.Asteroid-Collision/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0735.Asteroid-Collision/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target.md b/website/content/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md
similarity index 91%
rename from website/content/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target.md
rename to website/content/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md
index da03eb56..daa8ce50 100755
--- a/website/content/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target.md
+++ b/website/content/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md
@@ -94,6 +94,6 @@ func nextGreatestLetter(letters []byte, target byte) byte {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0739.Daily-Temperatures/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0745.Prefix-and-Suffix-Search/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0739.Daily-Temperatures/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0745.Prefix-and-Suffix-Search.md b/website/content/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search.md
similarity index 92%
rename from website/content/ChapterFour/0745.Prefix-and-Suffix-Search.md
rename to website/content/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search.md
index fef5fe50..6934034e 100755
--- a/website/content/ChapterFour/0745.Prefix-and-Suffix-Search.md
+++ b/website/content/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search.md
@@ -100,6 +100,6 @@ func (this *WordFilter_) F_(prefix string, suffix string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0746.Min-Cost-Climbing-Stairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0746.Min-Cost-Climbing-Stairs.md b/website/content/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md
similarity index 91%
rename from website/content/ChapterFour/0746.Min-Cost-Climbing-Stairs.md
rename to website/content/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md
index b7616f0b..94bfac52 100755
--- a/website/content/ChapterFour/0746.Min-Cost-Climbing-Stairs.md
+++ b/website/content/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md
@@ -73,6 +73,6 @@ func minCostClimbingStairs1(cost []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0745.Prefix-and-Suffix-Search/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0748.Shortest-Completing-Word/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0748.Shortest-Completing-Word/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0748.Shortest-Completing-Word.md b/website/content/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md
similarity index 94%
rename from website/content/ChapterFour/0748.Shortest-Completing-Word.md
rename to website/content/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md
index 8f2cb3a5..5bf3a79d 100755
--- a/website/content/ChapterFour/0748.Shortest-Completing-Word.md
+++ b/website/content/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md
@@ -104,6 +104,6 @@ func match(lp [26]int, w string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0746.Min-Cost-Climbing-Stairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0753.Cracking-the-Safe/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0753.Cracking-the-Safe/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0753.Cracking-the-Safe.md b/website/content/ChapterFour/0700~0799/0753.Cracking-the-Safe.md
similarity index 92%
rename from website/content/ChapterFour/0753.Cracking-the-Safe.md
rename to website/content/ChapterFour/0700~0799/0753.Cracking-the-Safe.md
index 63567a9f..12f1d6eb 100644
--- a/website/content/ChapterFour/0753.Cracking-the-Safe.md
+++ b/website/content/ChapterFour/0700~0799/0753.Cracking-the-Safe.md
@@ -94,6 +94,6 @@ func dfsCrackSafe(depth, n, k int, str *[]byte, visit *map[string]bool) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0748.Shortest-Completing-Word/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0756.Pyramid-Transition-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0748.Shortest-Completing-Word/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0756.Pyramid-Transition-Matrix.md b/website/content/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md
similarity index 93%
rename from website/content/ChapterFour/0756.Pyramid-Transition-Matrix.md
rename to website/content/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md
index b3042ed5..8694d1fe 100755
--- a/website/content/ChapterFour/0756.Pyramid-Transition-Matrix.md
+++ b/website/content/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md
@@ -94,6 +94,6 @@ func dfsT(bottom, above string, pyramid map[string][]string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0753.Cracking-the-Safe/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0753.Cracking-the-Safe/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md b/website/content/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md
similarity index 91%
rename from website/content/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md
rename to website/content/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md
index fcfb1d5c..a4c571cf 100755
--- a/website/content/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md
+++ b/website/content/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md
@@ -80,6 +80,6 @@ func isPrime(x int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0756.Pyramid-Transition-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0763.Partition-Labels/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0763.Partition-Labels/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0763.Partition-Labels.md b/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
similarity index 90%
rename from website/content/ChapterFour/0763.Partition-Labels.md
rename to website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
index e5273f5e..caac72ef 100644
--- a/website/content/ChapterFour/0763.Partition-Labels.md
+++ b/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
@@ -94,6 +94,6 @@ func partitionLabels1(S string) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0765.Couples-Holding-Hands/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0765.Couples-Holding-Hands/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0765.Couples-Holding-Hands.md b/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
similarity index 95%
rename from website/content/ChapterFour/0765.Couples-Holding-Hands.md
rename to website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
index 65a08a69..87fe36c4 100755
--- a/website/content/ChapterFour/0765.Couples-Holding-Hands.md
+++ b/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
@@ -95,6 +95,6 @@ func minSwapsCouples(row []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0763.Partition-Labels/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0766.Toeplitz-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0763.Partition-Labels/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0766.Toeplitz-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0766.Toeplitz-Matrix.md b/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
similarity index 89%
rename from website/content/ChapterFour/0766.Toeplitz-Matrix.md
rename to website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
index e4f7e305..e18758da 100755
--- a/website/content/ChapterFour/0766.Toeplitz-Matrix.md
+++ b/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
@@ -81,6 +81,6 @@ func isToeplitzMatrix(matrix [][]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0765.Couples-Holding-Hands/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0767.Reorganize-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0765.Couples-Holding-Hands/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0767.Reorganize-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0767.Reorganize-String.md b/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
similarity index 94%
rename from website/content/ChapterFour/0767.Reorganize-String.md
rename to website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
index 60eb52c3..c3bb9234 100644
--- a/website/content/ChapterFour/0767.Reorganize-String.md
+++ b/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
@@ -151,6 +151,6 @@ func frequencySort767(s string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0766.Toeplitz-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0771.Jewels-and-Stones/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0766.Toeplitz-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0771.Jewels-and-Stones/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0771.Jewels-and-Stones.md b/website/content/ChapterFour/0700~0799/0771.Jewels-and-Stones.md
similarity index 88%
rename from website/content/ChapterFour/0771.Jewels-and-Stones.md
rename to website/content/ChapterFour/0700~0799/0771.Jewels-and-Stones.md
index e5322860..c9a91a4d 100755
--- a/website/content/ChapterFour/0771.Jewels-and-Stones.md
+++ b/website/content/ChapterFour/0700~0799/0771.Jewels-and-Stones.md
@@ -76,6 +76,6 @@ func numJewelsInStones1(J string, S string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0767.Reorganize-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0778.Swim-in-Rising-Water/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0767.Reorganize-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0778.Swim-in-Rising-Water/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0778.Swim-in-Rising-Water.md b/website/content/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md
similarity index 95%
rename from website/content/ChapterFour/0778.Swim-in-Rising-Water.md
rename to website/content/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md
index dbb2414b..cc51e80b 100755
--- a/website/content/ChapterFour/0778.Swim-in-Rising-Water.md
+++ b/website/content/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md
@@ -134,6 +134,6 @@ func swimInWater1(grid [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0771.Jewels-and-Stones/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0781.Rabbits-in-Forest/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0771.Jewels-and-Stones/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0781.Rabbits-in-Forest/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0781.Rabbits-in-Forest.md b/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
similarity index 90%
rename from website/content/ChapterFour/0781.Rabbits-in-Forest.md
rename to website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
index 5ec3870d..29edfa86 100755
--- a/website/content/ChapterFour/0781.Rabbits-in-Forest.md
+++ b/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
@@ -71,6 +71,6 @@ func numRabbits(ans []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0778.Swim-in-Rising-Water/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0784.Letter-Case-Permutation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0778.Swim-in-Rising-Water/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0784.Letter-Case-Permutation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0784.Letter-Case-Permutation.md b/website/content/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md
similarity index 92%
rename from website/content/ChapterFour/0784.Letter-Case-Permutation.md
rename to website/content/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md
index 18f870a0..98edd886 100755
--- a/website/content/ChapterFour/0784.Letter-Case-Permutation.md
+++ b/website/content/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md
@@ -122,6 +122,6 @@ func toUpper(s string, i int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0781.Rabbits-in-Forest/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0785.Is-Graph-Bipartite/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0781.Rabbits-in-Forest/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0785.Is-Graph-Bipartite/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0785.Is-Graph-Bipartite.md b/website/content/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md
similarity index 93%
rename from website/content/ChapterFour/0785.Is-Graph-Bipartite.md
rename to website/content/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md
index f595b55e..748451ee 100644
--- a/website/content/ChapterFour/0785.Is-Graph-Bipartite.md
+++ b/website/content/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md
@@ -100,6 +100,6 @@ func dfs(n int, graph [][]int, colors []int, parentCol int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0784.Letter-Case-Permutation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0786.K-th-Smallest-Prime-Fraction/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0784.Letter-Case-Permutation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0786.K-th-Smallest-Prime-Fraction.md b/website/content/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md
similarity index 93%
rename from website/content/ChapterFour/0786.K-th-Smallest-Prime-Fraction.md
rename to website/content/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md
index 17203613..b0747026 100755
--- a/website/content/ChapterFour/0786.K-th-Smallest-Prime-Fraction.md
+++ b/website/content/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md
@@ -121,6 +121,6 @@ func (a SortByFraction) Less(i, j int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0785.Is-Graph-Bipartite/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0785.Is-Graph-Bipartite/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function.md b/website/content/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
similarity index 94%
rename from website/content/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
rename to website/content/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
index e931f679..3208a8ae 100755
--- a/website/content/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
+++ b/website/content/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
@@ -103,6 +103,6 @@ func preimageSizeFZF1(K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0786.K-th-Smallest-Prime-Fraction/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0802.Find-Eventual-Safe-States/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0700~0799/_index.md b/website/content/ChapterFour/0700~0799/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0700~0799/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0802.Find-Eventual-Safe-States.md b/website/content/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md
similarity index 93%
rename from website/content/ChapterFour/0802.Find-Eventual-Safe-States.md
rename to website/content/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md
index af127111..74054507 100644
--- a/website/content/ChapterFour/0802.Find-Eventual-Safe-States.md
+++ b/website/content/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md
@@ -75,6 +75,6 @@ func dfsEventualSafeNodes(graph [][]int, idx int, color []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0803.Bricks-Falling-When-Hit/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0803.Bricks-Falling-When-Hit.md b/website/content/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md
similarity index 96%
rename from website/content/ChapterFour/0803.Bricks-Falling-When-Hit.md
rename to website/content/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md
index c08b8ab8..81657194 100755
--- a/website/content/ChapterFour/0803.Bricks-Falling-When-Hit.md
+++ b/website/content/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md
@@ -127,6 +127,6 @@ func getUnionFindFromGrid(grid [][]int, x, y int, uf template.UnionFindCount) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0802.Find-Eventual-Safe-States/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0811.Subdomain-Visit-Count/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0811.Subdomain-Visit-Count/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0811.Subdomain-Visit-Count.md b/website/content/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md
similarity index 95%
rename from website/content/ChapterFour/0811.Subdomain-Visit-Count.md
rename to website/content/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md
index d2eda349..c3a9ac90 100755
--- a/website/content/ChapterFour/0811.Subdomain-Visit-Count.md
+++ b/website/content/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md
@@ -145,6 +145,6 @@ func splitDomain(domain string, domains map[string]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0803.Bricks-Falling-When-Hit/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0812.Largest-Triangle-Area/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0812.Largest-Triangle-Area/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0812.Largest-Triangle-Area.md b/website/content/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md
similarity index 88%
rename from website/content/ChapterFour/0812.Largest-Triangle-Area.md
rename to website/content/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md
index 81ea3077..6519d158 100644
--- a/website/content/ChapterFour/0812.Largest-Triangle-Area.md
+++ b/website/content/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md
@@ -72,6 +72,6 @@ func max(a, b float64) float64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0811.Subdomain-Visit-Count/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0815.Bus-Routes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0811.Subdomain-Visit-Count/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0815.Bus-Routes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0815.Bus-Routes.md b/website/content/ChapterFour/0800~0899/0815.Bus-Routes.md
similarity index 93%
rename from website/content/ChapterFour/0815.Bus-Routes.md
rename to website/content/ChapterFour/0800~0899/0815.Bus-Routes.md
index 18b747b2..844c5540 100755
--- a/website/content/ChapterFour/0815.Bus-Routes.md
+++ b/website/content/ChapterFour/0800~0899/0815.Bus-Routes.md
@@ -90,6 +90,6 @@ func numBusesToDestination(routes [][]int, S int, T int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0812.Largest-Triangle-Area/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0817.Linked-List-Components/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0812.Largest-Triangle-Area/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0817.Linked-List-Components/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0817.Linked-List-Components.md b/website/content/ChapterFour/0800~0899/0817.Linked-List-Components.md
similarity index 91%
rename from website/content/ChapterFour/0817.Linked-List-Components.md
rename to website/content/ChapterFour/0800~0899/0817.Linked-List-Components.md
index 4b49383b..1442d128 100644
--- a/website/content/ChapterFour/0817.Linked-List-Components.md
+++ b/website/content/ChapterFour/0800~0899/0817.Linked-List-Components.md
@@ -111,6 +111,6 @@ func toMap(G []int) map[int]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0815.Bus-Routes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0819.Most-Common-Word/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0815.Bus-Routes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0819.Most-Common-Word/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0819.Most-Common-Word.md b/website/content/ChapterFour/0800~0899/0819.Most-Common-Word.md
similarity index 92%
rename from website/content/ChapterFour/0819.Most-Common-Word.md
rename to website/content/ChapterFour/0800~0899/0819.Most-Common-Word.md
index 307a2044..9da8c4cd 100755
--- a/website/content/ChapterFour/0819.Most-Common-Word.md
+++ b/website/content/ChapterFour/0800~0899/0819.Most-Common-Word.md
@@ -91,6 +91,6 @@ func mostCommonWord(paragraph string, banned []string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0817.Linked-List-Components/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0826.Most-Profit-Assigning-Work/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0817.Linked-List-Components/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0826.Most-Profit-Assigning-Work.md b/website/content/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md
similarity index 92%
rename from website/content/ChapterFour/0826.Most-Profit-Assigning-Work.md
rename to website/content/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md
index 4e49558d..f8053719 100644
--- a/website/content/ChapterFour/0826.Most-Profit-Assigning-Work.md
+++ b/website/content/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md
@@ -109,6 +109,6 @@ func maxProfitAssignment(difficulty []int, profit []int, worker []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0819.Most-Common-Word/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0819.Most-Common-Word/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md b/website/content/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md
similarity index 95%
rename from website/content/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md
rename to website/content/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md
index c60e35a1..6f5f28d4 100644
--- a/website/content/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md
+++ b/website/content/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md
@@ -103,6 +103,6 @@ func uniqueLetterString1(S string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0826.Most-Profit-Assigning-Work/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0830.Positions-of-Large-Groups/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0830.Positions-of-Large-Groups/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0830.Positions-of-Large-Groups.md b/website/content/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md
similarity index 90%
rename from website/content/ChapterFour/0830.Positions-of-Large-Groups.md
rename to website/content/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md
index 3fdced6d..5efa20ed 100644
--- a/website/content/ChapterFour/0830.Positions-of-Large-Groups.md
+++ b/website/content/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md
@@ -82,6 +82,6 @@ func largeGroupPositions(S string) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0832.Flipping-an-Image/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0832.Flipping-an-Image/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0832.Flipping-an-Image.md b/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
similarity index 89%
rename from website/content/ChapterFour/0832.Flipping-an-Image.md
rename to website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
index 50bf028f..3c3bc5aa 100644
--- a/website/content/ChapterFour/0832.Flipping-an-Image.md
+++ b/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
@@ -65,6 +65,6 @@ func flipAndInvertImage(A [][]int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0830.Positions-of-Large-Groups/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0834.Sum-of-Distances-in-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0830.Positions-of-Large-Groups/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0834.Sum-of-Distances-in-Tree.md b/website/content/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md
similarity index 95%
rename from website/content/ChapterFour/0834.Sum-of-Distances-in-Tree.md
rename to website/content/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md
index d6a010e8..f4c5a049 100755
--- a/website/content/ChapterFour/0834.Sum-of-Distances-in-Tree.md
+++ b/website/content/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md
@@ -103,6 +103,6 @@ func deepSecondSearch(root int, visited []bool, count, res []int, tree [][]int)
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0832.Flipping-an-Image/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0836.Rectangle-Overlap/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0832.Flipping-an-Image/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0836.Rectangle-Overlap/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0836.Rectangle-Overlap.md b/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
similarity index 87%
rename from website/content/ChapterFour/0836.Rectangle-Overlap.md
rename to website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
index 986dda6e..0475596b 100755
--- a/website/content/ChapterFour/0836.Rectangle-Overlap.md
+++ b/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
@@ -56,6 +56,6 @@ func isRectangleOverlap(rec1 []int, rec2 []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0834.Sum-of-Distances-in-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0838.Push-Dominoes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0838.Push-Dominoes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0838.Push-Dominoes.md b/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
similarity index 93%
rename from website/content/ChapterFour/0838.Push-Dominoes.md
rename to website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
index 548a2bac..773914ef 100644
--- a/website/content/ChapterFour/0838.Push-Dominoes.md
+++ b/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
@@ -146,6 +146,6 @@ func pushDominoes1(dominoes string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0836.Rectangle-Overlap/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0839.Similar-String-Groups/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0836.Rectangle-Overlap/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0839.Similar-String-Groups/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0839.Similar-String-Groups.md b/website/content/ChapterFour/0800~0899/0839.Similar-String-Groups.md
similarity index 94%
rename from website/content/ChapterFour/0839.Similar-String-Groups.md
rename to website/content/ChapterFour/0800~0899/0839.Similar-String-Groups.md
index e1ad098b..ed2f2242 100755
--- a/website/content/ChapterFour/0839.Similar-String-Groups.md
+++ b/website/content/ChapterFour/0800~0899/0839.Similar-String-Groups.md
@@ -100,6 +100,6 @@ func isSimilar(a, b string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0838.Push-Dominoes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0841.Keys-and-Rooms/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0838.Push-Dominoes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0841.Keys-and-Rooms/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0841.Keys-and-Rooms.md b/website/content/ChapterFour/0800~0899/0841.Keys-and-Rooms.md
similarity index 91%
rename from website/content/ChapterFour/0841.Keys-and-Rooms.md
rename to website/content/ChapterFour/0800~0899/0841.Keys-and-Rooms.md
index b7f3e74a..8e4f23f9 100644
--- a/website/content/ChapterFour/0841.Keys-and-Rooms.md
+++ b/website/content/ChapterFour/0800~0899/0841.Keys-and-Rooms.md
@@ -82,6 +82,6 @@ func dfsVisitAllRooms(es [][]int, visited map[int]bool, from int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0839.Similar-String-Groups/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0839.Similar-String-Groups/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md b/website/content/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md
similarity index 94%
rename from website/content/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md
rename to website/content/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md
index 6326d234..a50cc2f3 100755
--- a/website/content/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md
+++ b/website/content/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md
@@ -137,6 +137,6 @@ func findRecursiveCheck(S string, x1 int, x2 int, left int, res *[]int, isComple
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0841.Keys-and-Rooms/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0844.Backspace-String-Compare/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0841.Keys-and-Rooms/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0844.Backspace-String-Compare/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0844.Backspace-String-Compare.md b/website/content/ChapterFour/0800~0899/0844.Backspace-String-Compare.md
similarity index 86%
rename from website/content/ChapterFour/0844.Backspace-String-Compare.md
rename to website/content/ChapterFour/0800~0899/0844.Backspace-String-Compare.md
index 2ecbe11f..6adcab29 100644
--- a/website/content/ChapterFour/0844.Backspace-String-Compare.md
+++ b/website/content/ChapterFour/0800~0899/0844.Backspace-String-Compare.md
@@ -113,6 +113,6 @@ func backspaceCompare(S string, T string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0845.Longest-Mountain-in-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0845.Longest-Mountain-in-Array.md b/website/content/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md
similarity index 88%
rename from website/content/ChapterFour/0845.Longest-Mountain-in-Array.md
rename to website/content/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md
index 9379ea68..d0270ed5 100644
--- a/website/content/ChapterFour/0845.Longest-Mountain-in-Array.md
+++ b/website/content/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md
@@ -93,6 +93,6 @@ func longestMountain(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0844.Backspace-String-Compare/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0850.Rectangle-Area-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0844.Backspace-String-Compare/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0850.Rectangle-Area-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0850.Rectangle-Area-II.md b/website/content/ChapterFour/0800~0899/0850.Rectangle-Area-II.md
similarity index 98%
rename from website/content/ChapterFour/0850.Rectangle-Area-II.md
rename to website/content/ChapterFour/0800~0899/0850.Rectangle-Area-II.md
index 149bcf13..965f4da0 100755
--- a/website/content/ChapterFour/0850.Rectangle-Area-II.md
+++ b/website/content/ChapterFour/0800~0899/0850.Rectangle-Area-II.md
@@ -295,6 +295,6 @@ func (sat *SegmentAreaTree) updateInTree(treeIndex, left, right, updateLeft, upd
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0845.Longest-Mountain-in-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0851.Loud-and-Rich/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0851.Loud-and-Rich/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0851.Loud-and-Rich.md b/website/content/ChapterFour/0800~0899/0851.Loud-and-Rich.md
similarity index 94%
rename from website/content/ChapterFour/0851.Loud-and-Rich.md
rename to website/content/ChapterFour/0800~0899/0851.Loud-and-Rich.md
index fbe44627..ca43a9ef 100644
--- a/website/content/ChapterFour/0851.Loud-and-Rich.md
+++ b/website/content/ChapterFour/0800~0899/0851.Loud-and-Rich.md
@@ -110,6 +110,6 @@ func loudAndRich(richer [][]int, quiet []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0850.Rectangle-Area-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0852.Peak-Index-in-a-Mountain-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0850.Rectangle-Area-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0852.Peak-Index-in-a-Mountain-Array.md b/website/content/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md
similarity index 91%
rename from website/content/ChapterFour/0852.Peak-Index-in-a-Mountain-Array.md
rename to website/content/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md
index 0948ede4..12aa32de 100755
--- a/website/content/ChapterFour/0852.Peak-Index-in-a-Mountain-Array.md
+++ b/website/content/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md
@@ -93,6 +93,6 @@ func peakIndexInMountainArray1(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0851.Loud-and-Rich/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0853.Car-Fleet/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0851.Loud-and-Rich/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0853.Car-Fleet/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0853.Car-Fleet.md b/website/content/ChapterFour/0800~0899/0853.Car-Fleet.md
similarity index 93%
rename from website/content/ChapterFour/0853.Car-Fleet.md
rename to website/content/ChapterFour/0800~0899/0853.Car-Fleet.md
index bb13b0d5..b3532036 100755
--- a/website/content/ChapterFour/0853.Car-Fleet.md
+++ b/website/content/ChapterFour/0800~0899/0853.Car-Fleet.md
@@ -100,6 +100,6 @@ func carFleet(target int, position []int, speed []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0852.Peak-Index-in-a-Mountain-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0856.Score-of-Parentheses/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0856.Score-of-Parentheses/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0856.Score-of-Parentheses.md b/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
similarity index 88%
rename from website/content/ChapterFour/0856.Score-of-Parentheses.md
rename to website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
index 7c810458..1b7546ca 100644
--- a/website/content/ChapterFour/0856.Score-of-Parentheses.md
+++ b/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
@@ -104,6 +104,6 @@ func scoreOfParentheses(S string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0853.Car-Fleet/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0853.Car-Fleet/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K.md b/website/content/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md
similarity index 94%
rename from website/content/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K.md
rename to website/content/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md
index 0bd92651..a1079dfd 100644
--- a/website/content/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K.md
+++ b/website/content/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md
@@ -92,6 +92,6 @@ func shortestSubarray(A []int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0856.Score-of-Parentheses/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0856.Score-of-Parentheses/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md b/website/content/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md
similarity index 91%
rename from website/content/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md
rename to website/content/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md
index c212698a..2944f0e1 100644
--- a/website/content/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md
+++ b/website/content/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md
@@ -98,6 +98,6 @@ func findChild(root *TreeNode, K int, visit *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0864.Shortest-Path-to-Get-All-Keys/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0864.Shortest-Path-to-Get-All-Keys.md b/website/content/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md
similarity index 96%
rename from website/content/ChapterFour/0864.Shortest-Path-to-Get-All-Keys.md
rename to website/content/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md
index b9dcafd7..7c05689b 100755
--- a/website/content/ChapterFour/0864.Shortest-Path-to-Get-All-Keys.md
+++ b/website/content/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md
@@ -233,6 +233,6 @@ func isKey(board [][]byte, x, y int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0867.Transpose-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0867.Transpose-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0867.Transpose-Matrix.md b/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
similarity index 83%
rename from website/content/ChapterFour/0867.Transpose-Matrix.md
rename to website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
index b9a42775..8947ba83 100755
--- a/website/content/ChapterFour/0867.Transpose-Matrix.md
+++ b/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
@@ -59,6 +59,6 @@ func transpose(A [][]int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0864.Shortest-Path-to-Get-All-Keys/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0872.Leaf-Similar-Trees/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0872.Leaf-Similar-Trees/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0872.Leaf-Similar-Trees.md b/website/content/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md
similarity index 90%
rename from website/content/ChapterFour/0872.Leaf-Similar-Trees.md
rename to website/content/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md
index bce16f6b..ae1cbeb2 100644
--- a/website/content/ChapterFour/0872.Leaf-Similar-Trees.md
+++ b/website/content/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md
@@ -64,6 +64,6 @@ func dfsLeaf(root *TreeNode, leaf *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0867.Transpose-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0875.Koko-Eating-Bananas/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0867.Transpose-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0875.Koko-Eating-Bananas/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0875.Koko-Eating-Bananas.md b/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
similarity index 92%
rename from website/content/ChapterFour/0875.Koko-Eating-Bananas.md
rename to website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
index 7da578f7..0eeb2e40 100755
--- a/website/content/ChapterFour/0875.Koko-Eating-Bananas.md
+++ b/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
@@ -103,6 +103,6 @@ func maxInArr(xs []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0872.Leaf-Similar-Trees/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0876.Middle-of-the-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0872.Leaf-Similar-Trees/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0876.Middle-of-the-Linked-List.md b/website/content/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md
similarity index 89%
rename from website/content/ChapterFour/0876.Middle-of-the-Linked-List.md
rename to website/content/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md
index e4532487..fb584c8d 100644
--- a/website/content/ChapterFour/0876.Middle-of-the-Linked-List.md
+++ b/website/content/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md
@@ -84,6 +84,6 @@ func middleNode(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0875.Koko-Eating-Bananas/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0878.Nth-Magical-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0875.Koko-Eating-Bananas/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0878.Nth-Magical-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0878.Nth-Magical-Number.md b/website/content/ChapterFour/0800~0899/0878.Nth-Magical-Number.md
similarity index 87%
rename from website/content/ChapterFour/0878.Nth-Magical-Number.md
rename to website/content/ChapterFour/0800~0899/0878.Nth-Magical-Number.md
index 7dc186cc..ae40b10b 100755
--- a/website/content/ChapterFour/0878.Nth-Magical-Number.md
+++ b/website/content/ChapterFour/0800~0899/0878.Nth-Magical-Number.md
@@ -83,6 +83,6 @@ func calNthMagicalCount(num, a, b int64) int64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0876.Middle-of-the-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0880.Decoded-String-at-Index/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0880.Decoded-String-at-Index/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0880.Decoded-String-at-Index.md b/website/content/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md
similarity index 91%
rename from website/content/ChapterFour/0880.Decoded-String-at-Index.md
rename to website/content/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md
index e1f0e0b1..08ca3315 100644
--- a/website/content/ChapterFour/0880.Decoded-String-at-Index.md
+++ b/website/content/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md
@@ -106,6 +106,6 @@ func decodeAtIndex(S string, K int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0878.Nth-Magical-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0881.Boats-to-Save-People/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0878.Nth-Magical-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0881.Boats-to-Save-People/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0881.Boats-to-Save-People.md b/website/content/ChapterFour/0800~0899/0881.Boats-to-Save-People.md
similarity index 87%
rename from website/content/ChapterFour/0881.Boats-to-Save-People.md
rename to website/content/ChapterFour/0800~0899/0881.Boats-to-Save-People.md
index a42fd693..ddc07e9f 100644
--- a/website/content/ChapterFour/0881.Boats-to-Save-People.md
+++ b/website/content/ChapterFour/0800~0899/0881.Boats-to-Save-People.md
@@ -92,6 +92,6 @@ func numRescueBoats(people []int, limit int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0880.Decoded-String-at-Index/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0884.Uncommon-Words-from-Two-Sentences/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0880.Decoded-String-at-Index/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0884.Uncommon-Words-from-Two-Sentences.md b/website/content/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md
similarity index 88%
rename from website/content/ChapterFour/0884.Uncommon-Words-from-Two-Sentences.md
rename to website/content/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md
index cf2505db..40c26024 100755
--- a/website/content/ChapterFour/0884.Uncommon-Words-from-Two-Sentences.md
+++ b/website/content/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md
@@ -68,6 +68,6 @@ func uncommonFromSentences(A string, B string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0881.Boats-to-Save-People/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0885.Spiral-Matrix-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0881.Boats-to-Save-People/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0885.Spiral-Matrix-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0885.Spiral-Matrix-III.md b/website/content/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md
similarity index 92%
rename from website/content/ChapterFour/0885.Spiral-Matrix-III.md
rename to website/content/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md
index 9e57b2b0..48444a0d 100755
--- a/website/content/ChapterFour/0885.Spiral-Matrix-III.md
+++ b/website/content/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md
@@ -86,6 +86,6 @@ func spiralMatrixIII(R int, C int, r0 int, c0 int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0884.Uncommon-Words-from-Two-Sentences/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0887.Super-Egg-Drop/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0887.Super-Egg-Drop/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0887.Super-Egg-Drop.md b/website/content/ChapterFour/0800~0899/0887.Super-Egg-Drop.md
similarity index 97%
rename from website/content/ChapterFour/0887.Super-Egg-Drop.md
rename to website/content/ChapterFour/0800~0899/0887.Super-Egg-Drop.md
index d7508003..1e167223 100755
--- a/website/content/ChapterFour/0887.Super-Egg-Drop.md
+++ b/website/content/ChapterFour/0800~0899/0887.Super-Egg-Drop.md
@@ -147,6 +147,6 @@ func superEggDrop1(K int, N int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0885.Spiral-Matrix-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0888.Fair-Candy-Swap/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0885.Spiral-Matrix-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0888.Fair-Candy-Swap/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0888.Fair-Candy-Swap.md b/website/content/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md
similarity index 93%
rename from website/content/ChapterFour/0888.Fair-Candy-Swap.md
rename to website/content/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md
index 5e805037..4c5a9e21 100644
--- a/website/content/ChapterFour/0888.Fair-Candy-Swap.md
+++ b/website/content/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md
@@ -112,6 +112,6 @@ func max(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0887.Super-Egg-Drop/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0891.Sum-of-Subsequence-Widths/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0887.Super-Egg-Drop/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0891.Sum-of-Subsequence-Widths.md b/website/content/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md
similarity index 91%
rename from website/content/ChapterFour/0891.Sum-of-Subsequence-Widths.md
rename to website/content/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md
index b8cf2e13..7a75c042 100644
--- a/website/content/ChapterFour/0891.Sum-of-Subsequence-Widths.md
+++ b/website/content/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md
@@ -70,6 +70,6 @@ func sumSubseqWidths(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0888.Fair-Candy-Swap/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0892.Surface-Area-of-3D-Shapes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0888.Fair-Candy-Swap/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0892.Surface-Area-of-3D-Shapes.md b/website/content/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md
similarity index 88%
rename from website/content/ChapterFour/0892.Surface-Area-of-3D-Shapes.md
rename to website/content/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md
index 0ffd62dc..9fa02621 100644
--- a/website/content/ChapterFour/0892.Surface-Area-of-3D-Shapes.md
+++ b/website/content/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md
@@ -110,6 +110,6 @@ func min(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0891.Sum-of-Subsequence-Widths/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0895.Maximum-Frequency-Stack/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0895.Maximum-Frequency-Stack.md b/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
similarity index 92%
rename from website/content/ChapterFour/0895.Maximum-Frequency-Stack.md
rename to website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
index 776d3184..06911750 100644
--- a/website/content/ChapterFour/0895.Maximum-Frequency-Stack.md
+++ b/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
@@ -115,6 +115,6 @@ func (this *FreqStack) Pop() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0892.Surface-Area-of-3D-Shapes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0896.Monotonic-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0896.Monotonic-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0896.Monotonic-Array.md b/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
similarity index 87%
rename from website/content/ChapterFour/0896.Monotonic-Array.md
rename to website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
index 56eddaa0..93101750 100644
--- a/website/content/ChapterFour/0896.Monotonic-Array.md
+++ b/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
@@ -101,6 +101,6 @@ func dec(A []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0895.Maximum-Frequency-Stack/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0897.Increasing-Order-Search-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0897.Increasing-Order-Search-Tree.md b/website/content/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md
similarity index 93%
rename from website/content/ChapterFour/0897.Increasing-Order-Search-Tree.md
rename to website/content/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md
index f0639a17..cfac7507 100755
--- a/website/content/ChapterFour/0897.Increasing-Order-Search-Tree.md
+++ b/website/content/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md
@@ -125,6 +125,6 @@ func inorder(root *TreeNode, output *[]int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0896.Monotonic-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0898.Bitwise-ORs-of-Subarrays/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0896.Monotonic-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md b/website/content/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md
similarity index 93%
rename from website/content/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md
rename to website/content/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md
index c17418d4..bf494c57 100755
--- a/website/content/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md
+++ b/website/content/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md
@@ -145,6 +145,6 @@ func subarrayBitwiseORs1(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0897.Increasing-Order-Search-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0901.Online-Stock-Span/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0901.Online-Stock-Span/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0800~0899/_index.md b/website/content/ChapterFour/0800~0899/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0800~0899/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/0901.Online-Stock-Span.md b/website/content/ChapterFour/0900~0999/0901.Online-Stock-Span.md
similarity index 92%
rename from website/content/ChapterFour/0901.Online-Stock-Span.md
rename to website/content/ChapterFour/0900~0999/0901.Online-Stock-Span.md
index b85244d1..b9d82c95 100644
--- a/website/content/ChapterFour/0901.Online-Stock-Span.md
+++ b/website/content/ChapterFour/0900~0999/0901.Online-Stock-Span.md
@@ -113,6 +113,6 @@ func (this *StockSpanner) Next(price int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0898.Bitwise-ORs-of-Subarrays/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0904.Fruit-Into-Baskets/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0904.Fruit-Into-Baskets/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0904.Fruit-Into-Baskets.md b/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
similarity index 92%
rename from website/content/ChapterFour/0904.Fruit-Into-Baskets.md
rename to website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
index 95079e7f..7f155d1b 100644
--- a/website/content/ChapterFour/0904.Fruit-Into-Baskets.md
+++ b/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
@@ -117,6 +117,6 @@ func totalFruit(tree []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0901.Online-Stock-Span/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0907.Sum-of-Subarray-Minimums/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0901.Online-Stock-Span/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0907.Sum-of-Subarray-Minimums.md b/website/content/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md
similarity index 97%
rename from website/content/ChapterFour/0907.Sum-of-Subarray-Minimums.md
rename to website/content/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md
index 21544292..abf0341b 100644
--- a/website/content/ChapterFour/0907.Sum-of-Subarray-Minimums.md
+++ b/website/content/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md
@@ -126,6 +126,6 @@ func sumSubarrayMins2(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0904.Fruit-Into-Baskets/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0910.Smallest-Range-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0904.Fruit-Into-Baskets/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0910.Smallest-Range-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0910.Smallest-Range-II.md b/website/content/ChapterFour/0900~0999/0910.Smallest-Range-II.md
similarity index 88%
rename from website/content/ChapterFour/0910.Smallest-Range-II.md
rename to website/content/ChapterFour/0900~0999/0910.Smallest-Range-II.md
index 82794f39..69ca991f 100644
--- a/website/content/ChapterFour/0910.Smallest-Range-II.md
+++ b/website/content/ChapterFour/0900~0999/0910.Smallest-Range-II.md
@@ -84,6 +84,6 @@ func min(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0907.Sum-of-Subarray-Minimums/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0911.Online-Election/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0911.Online-Election/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0911.Online-Election.md b/website/content/ChapterFour/0900~0999/0911.Online-Election.md
similarity index 93%
rename from website/content/ChapterFour/0911.Online-Election.md
rename to website/content/ChapterFour/0900~0999/0911.Online-Election.md
index eedcb5c8..a00cd736 100755
--- a/website/content/ChapterFour/0911.Online-Election.md
+++ b/website/content/ChapterFour/0900~0999/0911.Online-Election.md
@@ -101,6 +101,6 @@ func (tvc *TopVotedCandidate) Q(t int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0910.Smallest-Range-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0910.Smallest-Range-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md b/website/content/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md
similarity index 91%
rename from website/content/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md
rename to website/content/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md
index 8c1ad0f3..dbba1a2c 100644
--- a/website/content/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md
+++ b/website/content/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md
@@ -107,6 +107,6 @@ func gcd(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0911.Online-Election/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0918.Maximum-Sum-Circular-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0911.Online-Election/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0918.Maximum-Sum-Circular-Subarray.md b/website/content/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md
similarity index 94%
rename from website/content/ChapterFour/0918.Maximum-Sum-Circular-Subarray.md
rename to website/content/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md
index 6f2526d7..94930041 100755
--- a/website/content/ChapterFour/0918.Maximum-Sum-Circular-Subarray.md
+++ b/website/content/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md
@@ -103,6 +103,6 @@ func kadane(a []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0920.Number-of-Music-Playlists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0920.Number-of-Music-Playlists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0920.Number-of-Music-Playlists.md b/website/content/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md
similarity index 94%
rename from website/content/ChapterFour/0920.Number-of-Music-Playlists.md
rename to website/content/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md
index cd023864..27e21445 100755
--- a/website/content/ChapterFour/0920.Number-of-Music-Playlists.md
+++ b/website/content/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md
@@ -87,6 +87,6 @@ func numMusicPlaylists(N int, L int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0918.Maximum-Sum-Circular-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid.md b/website/content/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md
similarity index 87%
rename from website/content/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid.md
rename to website/content/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md
index d634ca3d..f11d433e 100644
--- a/website/content/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid.md
+++ b/website/content/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md
@@ -90,6 +90,6 @@ func minAddToMakeValid(S string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0920.Number-of-Music-Playlists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0922.Sort-Array-By-Parity-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0920.Number-of-Music-Playlists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0922.Sort-Array-By-Parity-II.md b/website/content/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md
similarity index 83%
rename from website/content/ChapterFour/0922.Sort-Array-By-Parity-II.md
rename to website/content/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md
index 1b315cbb..c89384dd 100644
--- a/website/content/ChapterFour/0922.Sort-Array-By-Parity-II.md
+++ b/website/content/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md
@@ -63,6 +63,6 @@ func sortArrayByParityII(A []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0923.3Sum-With-Multiplicity/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0923.3Sum-With-Multiplicity.md b/website/content/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md
similarity index 90%
rename from website/content/ChapterFour/0923.3Sum-With-Multiplicity.md
rename to website/content/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md
index b10b767f..6cacce75 100644
--- a/website/content/ChapterFour/0923.3Sum-With-Multiplicity.md
+++ b/website/content/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md
@@ -104,6 +104,6 @@ func threeSumMulti(A []int, target int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0922.Sort-Array-By-Parity-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0924.Minimize-Malware-Spread/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0924.Minimize-Malware-Spread/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0924.Minimize-Malware-Spread.md b/website/content/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md
similarity index 94%
rename from website/content/ChapterFour/0924.Minimize-Malware-Spread.md
rename to website/content/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md
index 3b4fb596..ad9b7f5f 100755
--- a/website/content/ChapterFour/0924.Minimize-Malware-Spread.md
+++ b/website/content/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md
@@ -107,6 +107,6 @@ func minMalwareSpread(graph [][]int, initial []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0923.3Sum-With-Multiplicity/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0925.Long-Pressed-Name/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0925.Long-Pressed-Name/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0925.Long-Pressed-Name.md b/website/content/ChapterFour/0900~0999/0925.Long-Pressed-Name.md
similarity index 91%
rename from website/content/ChapterFour/0925.Long-Pressed-Name.md
rename to website/content/ChapterFour/0900~0999/0925.Long-Pressed-Name.md
index 4025899b..1634e060 100644
--- a/website/content/ChapterFour/0925.Long-Pressed-Name.md
+++ b/website/content/ChapterFour/0900~0999/0925.Long-Pressed-Name.md
@@ -109,6 +109,6 @@ func isLongPressedName(name string, typed string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0924.Minimize-Malware-Spread/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0927.Three-Equal-Parts/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0924.Minimize-Malware-Spread/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0927.Three-Equal-Parts/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0927.Three-Equal-Parts.md b/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
similarity index 93%
rename from website/content/ChapterFour/0927.Three-Equal-Parts.md
rename to website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
index d0f0979e..9cdabc5d 100755
--- a/website/content/ChapterFour/0927.Three-Equal-Parts.md
+++ b/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
@@ -115,6 +115,6 @@ func threeEqualParts(A []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0925.Long-Pressed-Name/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0928.Minimize-Malware-Spread-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0925.Long-Pressed-Name/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0928.Minimize-Malware-Spread-II.md b/website/content/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md
similarity index 96%
rename from website/content/ChapterFour/0928.Minimize-Malware-Spread-II.md
rename to website/content/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md
index 22e9f45e..16819d5e 100755
--- a/website/content/ChapterFour/0928.Minimize-Malware-Spread-II.md
+++ b/website/content/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md
@@ -139,6 +139,6 @@ func minMalwareSpread2(graph [][]int, initial []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0927.Three-Equal-Parts/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0930.Binary-Subarrays-With-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0927.Three-Equal-Parts/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0930.Binary-Subarrays-With-Sum.md b/website/content/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md
similarity index 88%
rename from website/content/ChapterFour/0930.Binary-Subarrays-With-Sum.md
rename to website/content/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md
index 265f9b31..b79ee160 100644
--- a/website/content/ChapterFour/0930.Binary-Subarrays-With-Sum.md
+++ b/website/content/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md
@@ -67,6 +67,6 @@ func numSubarraysWithSum(A []int, S int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0928.Minimize-Malware-Spread-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0933.Number-of-Recent-Calls/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0933.Number-of-Recent-Calls/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0933.Number-of-Recent-Calls.md b/website/content/ChapterFour/0900~0999/0933.Number-of-Recent-Calls.md
similarity index 90%
rename from website/content/ChapterFour/0933.Number-of-Recent-Calls.md
rename to website/content/ChapterFour/0900~0999/0933.Number-of-Recent-Calls.md
index 44cf1056..5067df81 100644
--- a/website/content/ChapterFour/0933.Number-of-Recent-Calls.md
+++ b/website/content/ChapterFour/0900~0999/0933.Number-of-Recent-Calls.md
@@ -76,6 +76,6 @@ func (this *RecentCounter) Ping(t int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0930.Binary-Subarrays-With-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0942.DI-String-Match/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0942.DI-String-Match/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0942.DI-String-Match.md b/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
similarity index 87%
rename from website/content/ChapterFour/0942.DI-String-Match.md
rename to website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
index 7254de73..ae0835b0 100755
--- a/website/content/ChapterFour/0942.DI-String-Match.md
+++ b/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
@@ -75,6 +75,6 @@ func diStringMatch(S string) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0933.Number-of-Recent-Calls/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0946.Validate-Stack-Sequences/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0933.Number-of-Recent-Calls/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0946.Validate-Stack-Sequences/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0946.Validate-Stack-Sequences.md b/website/content/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md
similarity index 87%
rename from website/content/ChapterFour/0946.Validate-Stack-Sequences.md
rename to website/content/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md
index 7794c71b..6b316fd5 100644
--- a/website/content/ChapterFour/0946.Validate-Stack-Sequences.md
+++ b/website/content/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md
@@ -70,6 +70,6 @@ func validateStackSequences(pushed []int, popped []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0942.DI-String-Match/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0942.DI-String-Match/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md b/website/content/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column.md
similarity index 92%
rename from website/content/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md
rename to website/content/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column.md
index b976171e..215f957e 100755
--- a/website/content/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md
+++ b/website/content/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column.md
@@ -84,6 +84,6 @@ func removeStones(stones [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0946.Validate-Stack-Sequences/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0949.Largest-Time-for-Given-Digits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0946.Validate-Stack-Sequences/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0949.Largest-Time-for-Given-Digits.md b/website/content/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md
similarity index 88%
rename from website/content/ChapterFour/0949.Largest-Time-for-Given-Digits.md
rename to website/content/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md
index 6ec4fffa..4dee6fdb 100644
--- a/website/content/ChapterFour/0949.Largest-Time-for-Given-Digits.md
+++ b/website/content/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md
@@ -80,6 +80,6 @@ func largestTimeFromDigits(A []int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0952.Largest-Component-Size-by-Common-Factor/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md b/website/content/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md
similarity index 93%
rename from website/content/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md
rename to website/content/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md
index 85c83482..48a6fda3 100755
--- a/website/content/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md
+++ b/website/content/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md
@@ -121,6 +121,6 @@ func largestComponentSize1(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0949.Largest-Time-for-Given-Digits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0953.Verifying-an-Alien-Dictionary/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0953.Verifying-an-Alien-Dictionary.md b/website/content/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md
similarity index 91%
rename from website/content/ChapterFour/0953.Verifying-an-Alien-Dictionary.md
rename to website/content/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md
index dfdde219..5d922cba 100755
--- a/website/content/ChapterFour/0953.Verifying-an-Alien-Dictionary.md
+++ b/website/content/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md
@@ -83,6 +83,6 @@ func isAlienSorted(words []string, order string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0952.Largest-Component-Size-by-Common-Factor/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0959.Regions-Cut-By-Slashes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0959.Regions-Cut-By-Slashes.md b/website/content/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md
similarity index 94%
rename from website/content/ChapterFour/0959.Regions-Cut-By-Slashes.md
rename to website/content/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md
index d9f8eed2..5b6f1314 100755
--- a/website/content/ChapterFour/0959.Regions-Cut-By-Slashes.md
+++ b/website/content/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md
@@ -152,6 +152,6 @@ func getFaceIdx(size, i, j, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0953.Verifying-an-Alien-Dictionary/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array.md b/website/content/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md
similarity index 84%
rename from website/content/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array.md
rename to website/content/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md
index 5fe35e97..dcadf139 100755
--- a/website/content/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array.md
+++ b/website/content/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md
@@ -62,6 +62,6 @@ func repeatedNTimes(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0959.Regions-Cut-By-Slashes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0968.Binary-Tree-Cameras/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0968.Binary-Tree-Cameras/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0968.Binary-Tree-Cameras.md b/website/content/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md
similarity index 93%
rename from website/content/ChapterFour/0968.Binary-Tree-Cameras.md
rename to website/content/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md
index d11dbab5..668b10a5 100755
--- a/website/content/ChapterFour/0968.Binary-Tree-Cameras.md
+++ b/website/content/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md
@@ -105,6 +105,6 @@ func minCameraCoverDFS(root *TreeNode, res *int) status {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0969.Pancake-Sorting/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0969.Pancake-Sorting/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0969.Pancake-Sorting.md b/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
similarity index 92%
rename from website/content/ChapterFour/0969.Pancake-Sorting.md
rename to website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
index 6755f805..29ed06f4 100644
--- a/website/content/ChapterFour/0969.Pancake-Sorting.md
+++ b/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
@@ -98,6 +98,6 @@ func find(nums []int, t int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0968.Binary-Tree-Cameras/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0970.Powerful-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0968.Binary-Tree-Cameras/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0970.Powerful-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0970.Powerful-Integers.md b/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
similarity index 89%
rename from website/content/ChapterFour/0970.Powerful-Integers.md
rename to website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
index 95a7db75..9de26c3d 100755
--- a/website/content/ChapterFour/0970.Powerful-Integers.md
+++ b/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
@@ -90,6 +90,6 @@ func pow(x, i int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0969.Pancake-Sorting/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0973.K-Closest-Points-to-Origin/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0969.Pancake-Sorting/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0973.K-Closest-Points-to-Origin.md b/website/content/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md
similarity index 87%
rename from website/content/ChapterFour/0973.K-Closest-Points-to-Origin.md
rename to website/content/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md
index 77984f7e..ead750c1 100644
--- a/website/content/ChapterFour/0973.K-Closest-Points-to-Origin.md
+++ b/website/content/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md
@@ -73,6 +73,6 @@ func KClosest(points [][]int, K int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0970.Powerful-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0976.Largest-Perimeter-Triangle/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0970.Powerful-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0976.Largest-Perimeter-Triangle.md b/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
similarity index 84%
rename from website/content/ChapterFour/0976.Largest-Perimeter-Triangle.md
rename to website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
index 078db7d9..02ade12a 100644
--- a/website/content/ChapterFour/0976.Largest-Perimeter-Triangle.md
+++ b/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
@@ -80,6 +80,6 @@ func largestPerimeter(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0973.K-Closest-Points-to-Origin/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0977.Squares-of-a-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0977.Squares-of-a-Sorted-Array.md b/website/content/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md
similarity index 87%
rename from website/content/ChapterFour/0977.Squares-of-a-Sorted-Array.md
rename to website/content/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md
index d02cfd81..3b279c16 100644
--- a/website/content/ChapterFour/0977.Squares-of-a-Sorted-Array.md
+++ b/website/content/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md
@@ -88,6 +88,6 @@ func sortedSquares1(A []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0976.Largest-Perimeter-Triangle/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0978.Longest-Turbulent-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md b/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
similarity index 92%
rename from website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md
rename to website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
index 62ece5f2..bb760b0c 100755
--- a/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md
+++ b/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
@@ -111,6 +111,6 @@ func maxTurbulenceSize1(A []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0977.Squares-of-a-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0979.Distribute-Coins-in-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md b/website/content/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md
similarity index 93%
rename from website/content/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md
rename to website/content/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md
index 93872dbb..c76f6808 100755
--- a/website/content/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md
+++ b/website/content/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md
@@ -98,6 +98,6 @@ func distributeCoinsDFS(root *TreeNode, res *int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0978.Longest-Turbulent-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0980.Unique-Paths-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0980.Unique-Paths-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0980.Unique-Paths-III.md b/website/content/ChapterFour/0900~0999/0980.Unique-Paths-III.md
similarity index 93%
rename from website/content/ChapterFour/0980.Unique-Paths-III.md
rename to website/content/ChapterFour/0900~0999/0980.Unique-Paths-III.md
index 908e25c8..cd74994f 100755
--- a/website/content/ChapterFour/0980.Unique-Paths-III.md
+++ b/website/content/ChapterFour/0900~0999/0980.Unique-Paths-III.md
@@ -133,6 +133,6 @@ func findUniquePathIII(board [][]int, visited [][]bool, path []int, empty, start
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0979.Distribute-Coins-in-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0981.Time-Based-Key-Value-Store/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0981.Time-Based-Key-Value-Store.md b/website/content/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md
similarity index 95%
rename from website/content/ChapterFour/0981.Time-Based-Key-Value-Store.md
rename to website/content/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md
index 4b5c51ff..4ef63e1d 100755
--- a/website/content/ChapterFour/0981.Time-Based-Key-Value-Store.md
+++ b/website/content/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md
@@ -126,6 +126,6 @@ func (t TimeMap) Get(key string, timestamp int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0980.Unique-Paths-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0984.String-Without-AAA-or-BBB/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0980.Unique-Paths-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0984.String-Without-AAA-or-BBB.md b/website/content/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB.md
similarity index 89%
rename from website/content/ChapterFour/0984.String-Without-AAA-or-BBB.md
rename to website/content/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB.md
index f8f8a7fb..df90e6f0 100755
--- a/website/content/ChapterFour/0984.String-Without-AAA-or-BBB.md
+++ b/website/content/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB.md
@@ -95,6 +95,6 @@ func strWithout3a3b(A int, B int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0981.Time-Based-Key-Value-Store/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries.md b/website/content/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md
similarity index 91%
rename from website/content/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries.md
rename to website/content/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md
index 53918c0e..07f6c748 100644
--- a/website/content/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries.md
+++ b/website/content/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md
@@ -74,6 +74,6 @@ func sumEvenAfterQueries(A []int, queries [][]int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0984.String-Without-AAA-or-BBB/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0986.Interval-List-Intersections/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0986.Interval-List-Intersections/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0986.Interval-List-Intersections.md b/website/content/ChapterFour/0900~0999/0986.Interval-List-Intersections.md
similarity index 89%
rename from website/content/ChapterFour/0986.Interval-List-Intersections.md
rename to website/content/ChapterFour/0900~0999/0986.Interval-List-Intersections.md
index a33b523e..78aaafa3 100644
--- a/website/content/ChapterFour/0986.Interval-List-Intersections.md
+++ b/website/content/ChapterFour/0900~0999/0986.Interval-List-Intersections.md
@@ -75,6 +75,6 @@ func intervalIntersection(A []Interval, B []Interval) []Interval {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0989.Add-to-Array-Form-of-Integer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0989.Add-to-Array-Form-of-Integer.md b/website/content/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md
similarity index 88%
rename from website/content/ChapterFour/0989.Add-to-Array-Form-of-Integer.md
rename to website/content/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md
index 6628d58c..0d3600b3 100644
--- a/website/content/ChapterFour/0989.Add-to-Array-Form-of-Integer.md
+++ b/website/content/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md
@@ -86,6 +86,6 @@ func reverse(A []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0986.Interval-List-Intersections/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0990.Satisfiability-of-Equality-Equations/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0986.Interval-List-Intersections/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0990.Satisfiability-of-Equality-Equations.md b/website/content/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md
similarity index 92%
rename from website/content/ChapterFour/0990.Satisfiability-of-Equality-Equations.md
rename to website/content/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md
index cc6c08ee..7d2b3a22 100755
--- a/website/content/ChapterFour/0990.Satisfiability-of-Equality-Equations.md
+++ b/website/content/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md
@@ -101,6 +101,6 @@ func equationsPossible(equations []string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0989.Add-to-Array-Form-of-Integer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0992.Subarrays-with-K-Different-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0992.Subarrays-with-K-Different-Integers.md b/website/content/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md
similarity index 93%
rename from website/content/ChapterFour/0992.Subarrays-with-K-Different-Integers.md
rename to website/content/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md
index 642f19c2..4d6ad940 100644
--- a/website/content/ChapterFour/0992.Subarrays-with-K-Different-Integers.md
+++ b/website/content/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md
@@ -115,6 +115,6 @@ func subarraysWithKDistinctSlideWindow(A []int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0990.Satisfiability-of-Equality-Equations/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0993.Cousins-in-Binary-Tree/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0993.Cousins-in-Binary-Tree.md b/website/content/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md
similarity index 94%
rename from website/content/ChapterFour/0993.Cousins-in-Binary-Tree.md
rename to website/content/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md
index 4579f7bd..8a75f3e2 100755
--- a/website/content/ChapterFour/0993.Cousins-in-Binary-Tree.md
+++ b/website/content/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md
@@ -165,6 +165,6 @@ func dfsCousins(root *TreeNode, val, depth, last int, parent, res *int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0992.Subarrays-with-K-Different-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md b/website/content/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
similarity index 95%
rename from website/content/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
rename to website/content/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
index 3227e1d8..31066661 100755
--- a/website/content/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
+++ b/website/content/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
@@ -99,6 +99,6 @@ func minKBitFlips(A []int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0993.Cousins-in-Binary-Tree/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0996.Number-of-Squareful-Arrays/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0996.Number-of-Squareful-Arrays.md b/website/content/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md
similarity index 91%
rename from website/content/ChapterFour/0996.Number-of-Squareful-Arrays.md
rename to website/content/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md
index 270b4cb0..a003aafa 100755
--- a/website/content/ChapterFour/0996.Number-of-Squareful-Arrays.md
+++ b/website/content/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md
@@ -109,6 +109,6 @@ func checkSquare(num int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0999.Available-Captures-for-Rook/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0999.Available-Captures-for-Rook/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0999.Available-Captures-for-Rook.md b/website/content/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md
similarity index 94%
rename from website/content/ChapterFour/0999.Available-Captures-for-Rook.md
rename to website/content/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md
index 7253b6c1..1831514c 100644
--- a/website/content/ChapterFour/0999.Available-Captures-for-Rook.md
+++ b/website/content/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md
@@ -101,6 +101,6 @@ func caputure(board [][]byte, x, y int, bx, by int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0996.Number-of-Squareful-Arrays/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1002.Find-Common-Characters/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1002.Find-Common-Characters/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/0900~0999/_index.md b/website/content/ChapterFour/0900~0999/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/0900~0999/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1002.Find-Common-Characters.md b/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
similarity index 90%
rename from website/content/ChapterFour/1002.Find-Common-Characters.md
rename to website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
index 93b72aa6..2e1f62b4 100755
--- a/website/content/ChapterFour/1002.Find-Common-Characters.md
+++ b/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
@@ -76,6 +76,6 @@ func commonChars(A []string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0999.Available-Captures-for-Rook/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0900~0999/0999.Available-Captures-for-Rook/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md b/website/content/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md
similarity index 92%
rename from website/content/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md
rename to website/content/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md
index 2c4ec6b3..69a4c678 100644
--- a/website/content/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md
+++ b/website/content/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md
@@ -109,6 +109,6 @@ func isValid1003(S string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1002.Find-Common-Characters/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1004.Max-Consecutive-Ones-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1002.Find-Common-Characters/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1004.Max-Consecutive-Ones-III.md b/website/content/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md
similarity index 85%
rename from website/content/ChapterFour/1004.Max-Consecutive-Ones-III.md
rename to website/content/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md
index 54a10366..c7c40384 100644
--- a/website/content/ChapterFour/1004.Max-Consecutive-Ones-III.md
+++ b/website/content/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md
@@ -82,6 +82,6 @@ func longestOnes(A []int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations.md b/website/content/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations.md
similarity index 89%
rename from website/content/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations.md
rename to website/content/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations.md
index cfa94c28..6b0cc810 100644
--- a/website/content/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations.md
+++ b/website/content/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations.md
@@ -85,6 +85,6 @@ func largestSumAfterKNegations(A []int, K int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1004.Max-Consecutive-Ones-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md b/website/content/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md
similarity index 91%
rename from website/content/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md
rename to website/content/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md
index 5db2dec8..c07d5ecb 100755
--- a/website/content/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md
+++ b/website/content/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md
@@ -103,6 +103,6 @@ func shipWithinDays(weights []int, D int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1017.Convert-to-Base--2/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1017.Convert-to-Base--2/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1017.Convert-to-Base--2.md b/website/content/ChapterFour/1000~1099/1017.Convert-to-Base--2.md
similarity index 84%
rename from website/content/ChapterFour/1017.Convert-to-Base--2.md
rename to website/content/ChapterFour/1000~1099/1017.Convert-to-Base--2.md
index 26516464..d6aaa9ad 100755
--- a/website/content/ChapterFour/1017.Convert-to-Base--2.md
+++ b/website/content/ChapterFour/1000~1099/1017.Convert-to-Base--2.md
@@ -77,6 +77,6 @@ func baseNeg2(N int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1018.Binary-Prefix-Divisible-By-5/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1018.Binary-Prefix-Divisible-By-5.md b/website/content/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md
similarity index 87%
rename from website/content/ChapterFour/1018.Binary-Prefix-Divisible-By-5.md
rename to website/content/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md
index 98109b82..ea3b7f5a 100644
--- a/website/content/ChapterFour/1018.Binary-Prefix-Divisible-By-5.md
+++ b/website/content/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md
@@ -72,6 +72,6 @@ func prefixesDivBy5(a []int) []bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1017.Convert-to-Base--2/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1019.Next-Greater-Node-In-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1017.Convert-to-Base--2/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md b/website/content/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md
similarity index 90%
rename from website/content/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md
rename to website/content/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md
index 82843023..d54c4e03 100644
--- a/website/content/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md
+++ b/website/content/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md
@@ -98,6 +98,6 @@ func nextLargerNodes(head *ListNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1018.Binary-Prefix-Divisible-By-5/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1020.Number-of-Enclaves/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1020.Number-of-Enclaves/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1020.Number-of-Enclaves.md b/website/content/ChapterFour/1000~1099/1020.Number-of-Enclaves.md
similarity index 90%
rename from website/content/ChapterFour/1020.Number-of-Enclaves.md
rename to website/content/ChapterFour/1000~1099/1020.Number-of-Enclaves.md
index b125cd5d..85dcb5ff 100644
--- a/website/content/ChapterFour/1020.Number-of-Enclaves.md
+++ b/website/content/ChapterFour/1000~1099/1020.Number-of-Enclaves.md
@@ -95,6 +95,6 @@ func dfsNumEnclaves(A [][]int, x, y int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1019.Next-Greater-Node-In-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1021.Remove-Outermost-Parentheses/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1021.Remove-Outermost-Parentheses.md b/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
similarity index 92%
rename from website/content/ChapterFour/1021.Remove-Outermost-Parentheses.md
rename to website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
index 3bc01ab3..d6ffcbd0 100644
--- a/website/content/ChapterFour/1021.Remove-Outermost-Parentheses.md
+++ b/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
@@ -125,6 +125,6 @@ func removeOuterParentheses1(S string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1020.Number-of-Enclaves/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1025.Divisor-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1020.Number-of-Enclaves/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1025.Divisor-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1025.Divisor-Game.md b/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
similarity index 91%
rename from website/content/ChapterFour/1025.Divisor-Game.md
rename to website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
index 34dcdfe2..2183178d 100755
--- a/website/content/ChapterFour/1025.Divisor-Game.md
+++ b/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
@@ -64,6 +64,6 @@ func divisorGame(N int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1021.Remove-Outermost-Parentheses/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md b/website/content/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md
similarity index 91%
rename from website/content/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md
rename to website/content/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md
index 6d75cc21..325536b0 100644
--- a/website/content/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md
+++ b/website/content/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md
@@ -76,6 +76,6 @@ func dfsAncestorDiff(root *TreeNode, res *int) (int, int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1025.Divisor-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1025.Divisor-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md b/website/content/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md
similarity index 94%
rename from website/content/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md
rename to website/content/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md
index 01210afb..a7195a54 100755
--- a/website/content/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md
+++ b/website/content/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md
@@ -137,6 +137,6 @@ func dfsBuildPreorderTree(S string, index, level *int, cur *TreeNode) (newIndex
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1030.Matrix-Cells-in-Distance-Order/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1030.Matrix-Cells-in-Distance-Order.md b/website/content/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md
similarity index 91%
rename from website/content/ChapterFour/1030.Matrix-Cells-in-Distance-Order.md
rename to website/content/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md
index 62a940fb..f71f5f8a 100755
--- a/website/content/ChapterFour/1030.Matrix-Cells-in-Distance-Order.md
+++ b/website/content/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md
@@ -86,6 +86,6 @@ func allCellsDistOrder(R int, C int, r0 int, c0 int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1037.Valid-Boomerang/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1037.Valid-Boomerang/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1037.Valid-Boomerang.md b/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
similarity index 83%
rename from website/content/ChapterFour/1037.Valid-Boomerang.md
rename to website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
index 3dc1b94c..7eaf0b08 100644
--- a/website/content/ChapterFour/1037.Valid-Boomerang.md
+++ b/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
@@ -51,6 +51,6 @@ func isBoomerang(points [][]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1030.Matrix-Cells-in-Distance-Order/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1040.Moving-Stones-Until-Consecutive-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md b/website/content/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md
similarity index 96%
rename from website/content/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md
rename to website/content/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md
index d611c135..7234a7d0 100755
--- a/website/content/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md
+++ b/website/content/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md
@@ -123,6 +123,6 @@ func numMovesStonesII(stones []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1037.Valid-Boomerang/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1037.Valid-Boomerang/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String.md b/website/content/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md
similarity index 87%
rename from website/content/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String.md
rename to website/content/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md
index 1fd0cb3a..22e3764f 100644
--- a/website/content/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String.md
+++ b/website/content/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md
@@ -59,6 +59,6 @@ func removeDuplicates1047(S string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1040.Moving-Stones-Until-Consecutive-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1049.Last-Stone-Weight-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1049.Last-Stone-Weight-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1049.Last-Stone-Weight-II.md b/website/content/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md
similarity index 92%
rename from website/content/ChapterFour/1049.Last-Stone-Weight-II.md
rename to website/content/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md
index 035a6afc..5cb48f00 100755
--- a/website/content/ChapterFour/1049.Last-Stone-Weight-II.md
+++ b/website/content/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md
@@ -81,6 +81,6 @@ func lastStoneWeightII(stones []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1051.Height-Checker/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1051.Height-Checker/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1051.Height-Checker.md b/website/content/ChapterFour/1000~1099/1051.Height-Checker.md
similarity index 89%
rename from website/content/ChapterFour/1051.Height-Checker.md
rename to website/content/ChapterFour/1000~1099/1051.Height-Checker.md
index 6fecbda0..cb5879d4 100644
--- a/website/content/ChapterFour/1051.Height-Checker.md
+++ b/website/content/ChapterFour/1000~1099/1051.Height-Checker.md
@@ -74,6 +74,6 @@ func heightChecker(heights []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1049.Last-Stone-Weight-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1052.Grumpy-Bookstore-Owner/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1049.Last-Stone-Weight-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1052.Grumpy-Bookstore-Owner.md b/website/content/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md
similarity index 95%
rename from website/content/ChapterFour/1052.Grumpy-Bookstore-Owner.md
rename to website/content/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md
index 40805ff8..4e48b5af 100755
--- a/website/content/ChapterFour/1052.Grumpy-Bookstore-Owner.md
+++ b/website/content/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md
@@ -108,6 +108,6 @@ func sumSatisfied(customers []int, grumpy []int, start, end int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1051.Height-Checker/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1054.Distant-Barcodes/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1051.Height-Checker/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1054.Distant-Barcodes/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1054.Distant-Barcodes.md b/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
similarity index 89%
rename from website/content/ChapterFour/1054.Distant-Barcodes.md
rename to website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
index e9322c19..ea71fd10 100755
--- a/website/content/ChapterFour/1054.Distant-Barcodes.md
+++ b/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
@@ -94,6 +94,6 @@ func barcodesFrequencySort(s []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1052.Grumpy-Bookstore-Owner/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1073.Adding-Two-Negabinary-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1073.Adding-Two-Negabinary-Numbers.md b/website/content/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md
similarity index 95%
rename from website/content/ChapterFour/1073.Adding-Two-Negabinary-Numbers.md
rename to website/content/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md
index dbbdc84a..ef540b11 100755
--- a/website/content/ChapterFour/1073.Adding-Two-Negabinary-Numbers.md
+++ b/website/content/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md
@@ -148,6 +148,6 @@ func intToNegabinary(num int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1054.Distant-Barcodes/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1054.Distant-Barcodes/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md b/website/content/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md
similarity index 95%
rename from website/content/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md
rename to website/content/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md
index 796e1700..4318fa89 100755
--- a/website/content/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md
+++ b/website/content/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md
@@ -146,6 +146,6 @@ func sumSubmatrix(matrix [][]int, startx, starty, endx, endy int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1073.Adding-Two-Negabinary-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1078.Occurrences-After-Bigram/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1078.Occurrences-After-Bigram/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1078.Occurrences-After-Bigram.md b/website/content/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md
similarity index 88%
rename from website/content/ChapterFour/1078.Occurrences-After-Bigram.md
rename to website/content/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md
index 37333250..877eeff7 100755
--- a/website/content/ChapterFour/1078.Occurrences-After-Bigram.md
+++ b/website/content/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md
@@ -66,6 +66,6 @@ func findOcurrences(text string, first string, second string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1079.Letter-Tile-Possibilities/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1079.Letter-Tile-Possibilities.md b/website/content/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md
similarity index 93%
rename from website/content/ChapterFour/1079.Letter-Tile-Possibilities.md
rename to website/content/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md
index 2dc6dd6a..1227f74c 100755
--- a/website/content/ChapterFour/1079.Letter-Tile-Possibilities.md
+++ b/website/content/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md
@@ -109,6 +109,6 @@ func findTile(tiles, tmp []byte, used *[]bool, index int, res *int, tMap map[str
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1078.Occurrences-After-Bigram/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1089.Duplicate-Zeros/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1078.Occurrences-After-Bigram/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1089.Duplicate-Zeros/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1089.Duplicate-Zeros.md b/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
similarity index 86%
rename from website/content/ChapterFour/1089.Duplicate-Zeros.md
rename to website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
index a124e966..f59028dc 100644
--- a/website/content/ChapterFour/1089.Duplicate-Zeros.md
+++ b/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
@@ -60,6 +60,6 @@ func duplicateZeros(arr []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1079.Letter-Tile-Possibilities/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1093.Statistics-from-a-Large-Sample/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1093.Statistics-from-a-Large-Sample.md b/website/content/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md
similarity index 95%
rename from website/content/ChapterFour/1093.Statistics-from-a-Large-Sample.md
rename to website/content/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md
index 863f1f81..dcc4dd1b 100755
--- a/website/content/ChapterFour/1093.Statistics-from-a-Large-Sample.md
+++ b/website/content/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md
@@ -97,6 +97,6 @@ func sampleStats(count []int) []float64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1089.Duplicate-Zeros/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1105.Filling-Bookcase-Shelves/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1089.Duplicate-Zeros/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1000~1099/_index.md b/website/content/ChapterFour/1000~1099/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1000~1099/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1105.Filling-Bookcase-Shelves.md b/website/content/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md
similarity index 94%
rename from website/content/ChapterFour/1105.Filling-Bookcase-Shelves.md
rename to website/content/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md
index e2c256c7..f7a5f422 100755
--- a/website/content/ChapterFour/1105.Filling-Bookcase-Shelves.md
+++ b/website/content/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md
@@ -70,6 +70,6 @@ func minHeightShelves(books [][]int, shelfWidth int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1093.Statistics-from-a-Large-Sample/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1108.Defanging-an-IP-Address/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1108.Defanging-an-IP-Address/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1108.Defanging-an-IP-Address.md b/website/content/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md
similarity index 81%
rename from website/content/ChapterFour/1108.Defanging-an-IP-Address.md
rename to website/content/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md
index f745e3bd..90724672 100755
--- a/website/content/ChapterFour/1108.Defanging-an-IP-Address.md
+++ b/website/content/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md
@@ -56,6 +56,6 @@ func defangIPaddr(address string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1105.Filling-Bookcase-Shelves/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1110.Delete-Nodes-And-Return-Forest/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md b/website/content/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md
similarity index 90%
rename from website/content/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md
rename to website/content/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md
index 971b3e1b..7b317cc4 100644
--- a/website/content/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md
+++ b/website/content/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md
@@ -84,6 +84,6 @@ func dfsDelNodes(root *TreeNode, toDel map[int]bool, isRoot bool, res *[]*TreeNo
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1108.Defanging-an-IP-Address/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1108.Defanging-an-IP-Address/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md b/website/content/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md
similarity index 95%
rename from website/content/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md
rename to website/content/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md
index bc6d761b..4289e982 100755
--- a/website/content/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md
+++ b/website/content/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md
@@ -134,6 +134,6 @@ func maxDepthAfterSplit1(seq string) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1110.Delete-Nodes-And-Return-Forest/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1122.Relative-Sort-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1122.Relative-Sort-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1122.Relative-Sort-Array.md b/website/content/ChapterFour/1100~1199/1122.Relative-Sort-Array.md
similarity index 91%
rename from website/content/ChapterFour/1122.Relative-Sort-Array.md
rename to website/content/ChapterFour/1100~1199/1122.Relative-Sort-Array.md
index 3ce06048..c36c2f10 100755
--- a/website/content/ChapterFour/1122.Relative-Sort-Array.md
+++ b/website/content/ChapterFour/1100~1199/1122.Relative-Sort-Array.md
@@ -103,6 +103,6 @@ func relativeSortArray1(arr1 []int, arr2 []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md b/website/content/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
similarity index 92%
rename from website/content/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
rename to website/content/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
index f3fb3dee..af07abca 100755
--- a/website/content/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
+++ b/website/content/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
@@ -103,6 +103,6 @@ func lcaDeepestLeavesDFS(lca **TreeNode, maxLevel *int, depth int, root *TreeNod
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1122.Relative-Sort-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1122.Relative-Sort-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs.md b/website/content/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md
similarity index 89%
rename from website/content/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs.md
rename to website/content/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md
index b9f94100..396e61e1 100755
--- a/website/content/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs.md
+++ b/website/content/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md
@@ -70,6 +70,6 @@ func numEquivDominoPairs(dominoes [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1137.N-th-Tribonacci-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1137.N-th-Tribonacci-Number.md b/website/content/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md
similarity index 83%
rename from website/content/ChapterFour/1137.N-th-Tribonacci-Number.md
rename to website/content/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md
index 211d5ba6..179f6cc6 100755
--- a/website/content/ChapterFour/1137.N-th-Tribonacci-Number.md
+++ b/website/content/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md
@@ -73,6 +73,6 @@ func tribonacci(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1145.Binary-Tree-Coloring-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1145.Binary-Tree-Coloring-Game.md b/website/content/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md
similarity index 96%
rename from website/content/ChapterFour/1145.Binary-Tree-Coloring-Game.md
rename to website/content/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md
index c1395df1..047f0d03 100644
--- a/website/content/ChapterFour/1145.Binary-Tree-Coloring-Game.md
+++ b/website/content/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md
@@ -84,6 +84,6 @@ func dfsBtreeGameWinningMove(node *TreeNode, left, right *int, x int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1137.N-th-Tribonacci-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1154.Day-of-the-Year/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1154.Day-of-the-Year/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1154.Day-of-the-Year.md b/website/content/ChapterFour/1100~1199/1154.Day-of-the-Year.md
similarity index 89%
rename from website/content/ChapterFour/1154.Day-of-the-Year.md
rename to website/content/ChapterFour/1100~1199/1154.Day-of-the-Year.md
index b4c4bcb2..98e392d0 100755
--- a/website/content/ChapterFour/1154.Day-of-the-Year.md
+++ b/website/content/ChapterFour/1100~1199/1154.Day-of-the-Year.md
@@ -83,6 +83,6 @@ func dayOfYear(date string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1145.Binary-Tree-Coloring-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1157.Online-Majority-Element-In-Subarray/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1157.Online-Majority-Element-In-Subarray.md b/website/content/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md
similarity index 97%
rename from website/content/ChapterFour/1157.Online-Majority-Element-In-Subarray.md
rename to website/content/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md
index abfafc03..0fd147e4 100755
--- a/website/content/ChapterFour/1157.Online-Majority-Element-In-Subarray.md
+++ b/website/content/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md
@@ -198,6 +198,6 @@ func (mc *MajorityChecker) Query(left int, right int, threshold int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1154.Day-of-the-Year/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1154.Day-of-the-Year/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md b/website/content/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters.md
similarity index 89%
rename from website/content/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md
rename to website/content/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters.md
index 2df6a209..a0e7603d 100755
--- a/website/content/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md
+++ b/website/content/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters.md
@@ -83,6 +83,6 @@ func canBeFormed(w string, c []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1157.Online-Majority-Element-In-Subarray/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md b/website/content/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md
similarity index 91%
rename from website/content/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md
rename to website/content/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md
index 854c1e78..987a39a8 100755
--- a/website/content/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md
+++ b/website/content/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md
@@ -88,6 +88,6 @@ func countFunc(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md b/website/content/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md
similarity index 93%
rename from website/content/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md
rename to website/content/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md
index bee3e8a8..49e9862b 100755
--- a/website/content/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md
+++ b/website/content/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md
@@ -142,6 +142,6 @@ func removeZeroSumSublists1(head *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1175.Prime-Arrangements/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1175.Prime-Arrangements/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1175.Prime-Arrangements.md b/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
similarity index 88%
rename from website/content/ChapterFour/1175.Prime-Arrangements.md
rename to website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
index 063a2619..e6ef7db5 100755
--- a/website/content/ChapterFour/1175.Prime-Arrangements.md
+++ b/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
@@ -67,6 +67,6 @@ func factorial(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1184.Distance-Between-Bus-Stops/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1184.Distance-Between-Bus-Stops.md b/website/content/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md
similarity index 92%
rename from website/content/ChapterFour/1184.Distance-Between-Bus-Stops.md
rename to website/content/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md
index 5d23749e..7d3f9829 100755
--- a/website/content/ChapterFour/1184.Distance-Between-Bus-Stops.md
+++ b/website/content/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md
@@ -84,6 +84,6 @@ func distanceBetweenBusStops(distance []int, start int, destination int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1175.Prime-Arrangements/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1185.Day-of-the-Week/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1175.Prime-Arrangements/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1185.Day-of-the-Week/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1185.Day-of-the-Week.md b/website/content/ChapterFour/1100~1199/1185.Day-of-the-Week.md
similarity index 86%
rename from website/content/ChapterFour/1185.Day-of-the-Week.md
rename to website/content/ChapterFour/1100~1199/1185.Day-of-the-Week.md
index 5b34b8de..e7489d10 100755
--- a/website/content/ChapterFour/1185.Day-of-the-Week.md
+++ b/website/content/ChapterFour/1100~1199/1185.Day-of-the-Week.md
@@ -63,6 +63,6 @@ func dayOfTheWeek(day int, month int, year int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1184.Distance-Between-Bus-Stops/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1189.Maximum-Number-of-Balloons/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1189.Maximum-Number-of-Balloons.md b/website/content/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md
similarity index 92%
rename from website/content/ChapterFour/1189.Maximum-Number-of-Balloons.md
rename to website/content/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md
index ac27e5eb..22cf634d 100755
--- a/website/content/ChapterFour/1189.Maximum-Number-of-Balloons.md
+++ b/website/content/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md
@@ -72,6 +72,6 @@ func maxNumberOfBalloons(text string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1185.Day-of-the-Week/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200.Minimum-Absolute-Difference/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1185.Day-of-the-Week/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1100~1199/_index.md b/website/content/ChapterFour/1100~1199/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1100~1199/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1200.Minimum-Absolute-Difference.md b/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
similarity index 89%
rename from website/content/ChapterFour/1200.Minimum-Absolute-Difference.md
rename to website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
index 2cbf856b..f23995fb 100755
--- a/website/content/ChapterFour/1200.Minimum-Absolute-Difference.md
+++ b/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
@@ -79,6 +79,6 @@ func minimumAbsDifference(arr []int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1189.Maximum-Number-of-Balloons/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1201.Ugly-Number-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1201.Ugly-Number-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1201.Ugly-Number-III.md b/website/content/ChapterFour/1200~1299/1201.Ugly-Number-III.md
similarity index 93%
rename from website/content/ChapterFour/1201.Ugly-Number-III.md
rename to website/content/ChapterFour/1200~1299/1201.Ugly-Number-III.md
index 9382712f..a4a3299d 100755
--- a/website/content/ChapterFour/1201.Ugly-Number-III.md
+++ b/website/content/ChapterFour/1200~1299/1201.Ugly-Number-III.md
@@ -94,6 +94,6 @@ func gcd(a, b int64) int64 {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200.Minimum-Absolute-Difference/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1202.Smallest-String-With-Swaps/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1202.Smallest-String-With-Swaps.md b/website/content/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md
similarity index 91%
rename from website/content/ChapterFour/1202.Smallest-String-With-Swaps.md
rename to website/content/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md
index 903771e8..32b06cb9 100755
--- a/website/content/ChapterFour/1202.Smallest-String-With-Swaps.md
+++ b/website/content/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md
@@ -104,6 +104,6 @@ func smallestStringWithSwaps(s string, pairs [][]int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1201.Ugly-Number-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1201.Ugly-Number-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies.md b/website/content/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
similarity index 96%
rename from website/content/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
rename to website/content/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
index 99193c75..6cbdc8ce 100644
--- a/website/content/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
+++ b/website/content/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
@@ -193,6 +193,6 @@ func topSort(graph [][]int, deg, items []int) (orders []int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1202.Smallest-String-With-Swaps/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1207.Unique-Number-of-Occurrences/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1207.Unique-Number-of-Occurrences.md b/website/content/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md
similarity index 85%
rename from website/content/ChapterFour/1207.Unique-Number-of-Occurrences.md
rename to website/content/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md
index 1b3aff67..acd4c99d 100755
--- a/website/content/ChapterFour/1207.Unique-Number-of-Occurrences.md
+++ b/website/content/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md
@@ -70,6 +70,6 @@ func uniqueOccurrences(arr []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1208.Get-Equal-Substrings-Within-Budget/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md b/website/content/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md
similarity index 92%
rename from website/content/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md
rename to website/content/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md
index 92c91739..ff499c21 100755
--- a/website/content/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md
+++ b/website/content/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md
@@ -79,6 +79,6 @@ func equalSubstring(s string, t string, maxCost int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1207.Unique-Number-of-Occurrences/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md b/website/content/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md
similarity index 91%
rename from website/content/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md
rename to website/content/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md
index d1b1cda2..8bba13af 100755
--- a/website/content/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md
+++ b/website/content/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md
@@ -78,6 +78,6 @@ func minCostToMoveChips(chips []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1208.Get-Equal-Substrings-Within-Budget/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1221.Split-a-String-in-Balanced-Strings/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1221.Split-a-String-in-Balanced-Strings.md b/website/content/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md
similarity index 87%
rename from website/content/ChapterFour/1221.Split-a-String-in-Balanced-Strings.md
rename to website/content/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md
index 4111287f..d1735865 100755
--- a/website/content/ChapterFour/1221.Split-a-String-in-Balanced-Strings.md
+++ b/website/content/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md
@@ -75,6 +75,6 @@ func balancedStringSplit(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1232.Check-If-It-Is-a-Straight-Line/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md b/website/content/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md
similarity index 88%
rename from website/content/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md
rename to website/content/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md
index 3d4fc4cb..07ad32d4 100755
--- a/website/content/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md
+++ b/website/content/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md
@@ -73,6 +73,6 @@ func checkStraightLine(coordinates [][]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1221.Split-a-String-in-Balanced-Strings/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1234.Replace-the-Substring-for-Balanced-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md b/website/content/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md
similarity index 93%
rename from website/content/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md
rename to website/content/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md
index 8404def8..50847fe1 100755
--- a/website/content/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md
+++ b/website/content/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md
@@ -95,6 +95,6 @@ func balancedString(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1232.Check-If-It-Is-a-Straight-Line/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md b/website/content/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md
similarity index 94%
rename from website/content/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md
rename to website/content/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md
index 831aceef..61532853 100755
--- a/website/content/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md
+++ b/website/content/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md
@@ -120,6 +120,6 @@ func (s sortJobs) Swap(i, j int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1234.Replace-the-Substring-for-Balanced-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix.md b/website/content/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md
similarity index 92%
rename from website/content/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix.md
rename to website/content/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md
index 6f869e52..e0a66edf 100755
--- a/website/content/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix.md
+++ b/website/content/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md
@@ -105,6 +105,6 @@ func oddCells1(n int, m int, indices [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1254.Number-of-Closed-Islands/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1254.Number-of-Closed-Islands/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1254.Number-of-Closed-Islands.md b/website/content/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md
similarity index 93%
rename from website/content/ChapterFour/1254.Number-of-Closed-Islands.md
rename to website/content/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md
index bdcdec52..96e175c9 100755
--- a/website/content/ChapterFour/1254.Number-of-Closed-Islands.md
+++ b/website/content/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md
@@ -112,6 +112,6 @@ func isIntInBoard(board [][]int, x, y int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1260.Shift-2D-Grid/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1260.Shift-2D-Grid/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1260.Shift-2D-Grid.md b/website/content/ChapterFour/1200~1299/1260.Shift-2D-Grid.md
similarity index 90%
rename from website/content/ChapterFour/1260.Shift-2D-Grid.md
rename to website/content/ChapterFour/1200~1299/1260.Shift-2D-Grid.md
index 8a10aef5..83fcdef1 100644
--- a/website/content/ChapterFour/1260.Shift-2D-Grid.md
+++ b/website/content/ChapterFour/1200~1299/1260.Shift-2D-Grid.md
@@ -92,6 +92,6 @@ func shiftGrid(grid [][]int, k int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1254.Number-of-Closed-Islands/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1266.Minimum-Time-Visiting-All-Points/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1254.Number-of-Closed-Islands/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1266.Minimum-Time-Visiting-All-Points.md b/website/content/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md
similarity index 91%
rename from website/content/ChapterFour/1266.Minimum-Time-Visiting-All-Points.md
rename to website/content/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md
index 3e9ad63d..252a9822 100755
--- a/website/content/ChapterFour/1266.Minimum-Time-Visiting-All-Points.md
+++ b/website/content/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md
@@ -77,6 +77,6 @@ func minTimeToVisitAllPoints(points [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1260.Shift-2D-Grid/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1260.Shift-2D-Grid/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md b/website/content/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md
similarity index 94%
rename from website/content/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md
rename to website/content/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md
index 92f05952..d7721e9e 100644
--- a/website/content/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md
+++ b/website/content/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md
@@ -156,6 +156,6 @@ func tictactoe(moves [][]int) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1266.Minimum-Time-Visiting-All-Points/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md b/website/content/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md
similarity index 82%
rename from website/content/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md
rename to website/content/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md
index 2c964c08..f512f847 100644
--- a/website/content/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md
+++ b/website/content/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md
@@ -61,6 +61,6 @@ func subtractProductAndSum(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md b/website/content/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
similarity index 90%
rename from website/content/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
rename to website/content/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
index e25c1209..044a91c7 100644
--- a/website/content/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
+++ b/website/content/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
@@ -89,6 +89,6 @@ func calDivisor(nums []int, mid, threshold int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md b/website/content/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md
similarity index 81%
rename from website/content/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md
rename to website/content/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md
index c1c9d669..03294b89 100644
--- a/website/content/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md
+++ b/website/content/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md
@@ -51,6 +51,6 @@ func findSpecialInteger(arr []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md b/website/content/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md
similarity index 86%
rename from website/content/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md
rename to website/content/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md
index 28ab0065..41633eae 100644
--- a/website/content/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md
+++ b/website/content/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md
@@ -83,6 +83,6 @@ func getDecimalValue(head *ListNode) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits.md b/website/content/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md
similarity index 82%
rename from website/content/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits.md
rename to website/content/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md
index 32096cd1..17d3b6ba 100644
--- a/website/content/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits.md
+++ b/website/content/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md
@@ -65,6 +65,6 @@ func findNumbers(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md b/website/content/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md
similarity index 86%
rename from website/content/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md
rename to website/content/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md
index fb242b8f..2bbb88ac 100644
--- a/website/content/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md
+++ b/website/content/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md
@@ -53,6 +53,6 @@ func replaceElements(arr []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1200~1299/_index.md b/website/content/ChapterFour/1200~1299/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1200~1299/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md b/website/content/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md
similarity index 92%
rename from website/content/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md
rename to website/content/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md
index 113f3d86..3e13fe77 100644
--- a/website/content/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md
+++ b/website/content/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md
@@ -105,6 +105,6 @@ func min(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1302.Deepest-Leaves-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1302.Deepest-Leaves-Sum.md b/website/content/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md
similarity index 87%
rename from website/content/ChapterFour/1302.Deepest-Leaves-Sum.md
rename to website/content/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md
index a79aef4d..6037e30c 100644
--- a/website/content/ChapterFour/1302.Deepest-Leaves-Sum.md
+++ b/website/content/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md
@@ -60,6 +60,6 @@ func dfsDeepestLeavesSum(root *TreeNode, level int, maxLevel, sum *int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md b/website/content/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md
similarity index 82%
rename from website/content/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md
rename to website/content/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md
index 0fadb33f..35a82147 100644
--- a/website/content/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md
+++ b/website/content/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md
@@ -64,6 +64,6 @@ func sumZero(n int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1302.Deepest-Leaves-Sum/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md b/website/content/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md
similarity index 91%
rename from website/content/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md
rename to website/content/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md
index 4de15219..a29b324c 100644
--- a/website/content/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md
+++ b/website/content/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md
@@ -92,6 +92,6 @@ func getAllElements1(root1 *TreeNode, root2 *TreeNode) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1306.Jump-Game-III/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1306.Jump-Game-III/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1306.Jump-Game-III.md b/website/content/ChapterFour/1300~1399/1306.Jump-Game-III.md
similarity index 90%
rename from website/content/ChapterFour/1306.Jump-Game-III.md
rename to website/content/ChapterFour/1300~1399/1306.Jump-Game-III.md
index 82a9fe22..cddd5cd0 100644
--- a/website/content/ChapterFour/1306.Jump-Game-III.md
+++ b/website/content/ChapterFour/1300~1399/1306.Jump-Game-III.md
@@ -82,6 +82,6 @@ func canReach(arr []int, start int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1313.Decompress-Run-Length-Encoded-List/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1313.Decompress-Run-Length-Encoded-List.md b/website/content/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md
similarity index 88%
rename from website/content/ChapterFour/1313.Decompress-Run-Length-Encoded-List.md
rename to website/content/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md
index a99baec6..afdb5f77 100644
--- a/website/content/ChapterFour/1313.Decompress-Run-Length-Encoded-List.md
+++ b/website/content/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md
@@ -62,6 +62,6 @@ func decompressRLElist(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1306.Jump-Game-III/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1306.Jump-Game-III/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md b/website/content/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md
similarity index 88%
rename from website/content/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md
rename to website/content/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md
index b275e3db..88984940 100644
--- a/website/content/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md
+++ b/website/content/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md
@@ -98,6 +98,6 @@ func isNoZero(n int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1313.Decompress-Run-Length-Encoded-List/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md b/website/content/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md
similarity index 93%
rename from website/content/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md
rename to website/content/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md
index 8cf7a2a2..2982a123 100644
--- a/website/content/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md
+++ b/website/content/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md
@@ -92,6 +92,6 @@ func makeConnected(n int, connections [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1329.Sort-the-Matrix-Diagonally/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1329.Sort-the-Matrix-Diagonally.md b/website/content/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md
similarity index 87%
rename from website/content/ChapterFour/1329.Sort-the-Matrix-Diagonally.md
rename to website/content/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md
index 4d4808bc..3248ddc6 100644
--- a/website/content/ChapterFour/1329.Sort-the-Matrix-Diagonally.md
+++ b/website/content/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md
@@ -59,6 +59,6 @@ func diagonalSort(mat [][]int) [][]int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1380.Lucky-Numbers-in-a-Matrix/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1380.Lucky-Numbers-in-a-Matrix.md b/website/content/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md
similarity index 88%
rename from website/content/ChapterFour/1380.Lucky-Numbers-in-a-Matrix.md
rename to website/content/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md
index 6115acc5..09721269 100644
--- a/website/content/ChapterFour/1380.Lucky-Numbers-in-a-Matrix.md
+++ b/website/content/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md
@@ -89,6 +89,6 @@ func luckyNumbers(matrix [][]int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1329.Sort-the-Matrix-Diagonally/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays.md b/website/content/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md
similarity index 89%
rename from website/content/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays.md
rename to website/content/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md
index 3e99081b..9d0a25fa 100644
--- a/website/content/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays.md
+++ b/website/content/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md
@@ -100,6 +100,6 @@ func abs(a int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1380.Lucky-Numbers-in-a-Matrix/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1389.Create-Target-Array-in-the-Given-Order/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1389.Create-Target-Array-in-the-Given-Order.md b/website/content/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md
similarity index 88%
rename from website/content/ChapterFour/1389.Create-Target-Array-in-the-Given-Order.md
rename to website/content/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md
index ada9721b..5cdbf7b4 100644
--- a/website/content/ChapterFour/1389.Create-Target-Array-in-the-Given-Order.md
+++ b/website/content/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md
@@ -92,6 +92,6 @@ func createTargetArray(nums []int, index []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1300~1399/_index.md b/website/content/ChapterFour/1300~1399/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1300~1399/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md b/website/content/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md
similarity index 86%
rename from website/content/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md
rename to website/content/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md
index a0ba4c22..45800178 100644
--- a/website/content/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md
+++ b/website/content/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md
@@ -75,6 +75,6 @@ func kLengthApart(nums []int, k int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1389.Create-Target-Array-in-the-Given-Order/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md b/website/content/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md
similarity index 91%
rename from website/content/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md
rename to website/content/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md
index f224d37d..09d90aec 100644
--- a/website/content/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md
+++ b/website/content/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md
@@ -100,6 +100,6 @@ func isPrefixOfWord(sentence string, searchWord string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1463.Cherry-Pickup-II/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1463.Cherry-Pickup-II/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1463.Cherry-Pickup-II.md b/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
similarity index 85%
rename from website/content/ChapterFour/1463.Cherry-Pickup-II.md
rename to website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
index fe8beb59..2736380d 100644
--- a/website/content/ChapterFour/1463.Cherry-Pickup-II.md
+++ b/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
@@ -46,6 +46,6 @@ Output: 4
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array.md b/website/content/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array.md
similarity index 86%
rename from website/content/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array.md
rename to website/content/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array.md
index c727b889..8f75c287 100644
--- a/website/content/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array.md
+++ b/website/content/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array.md
@@ -68,6 +68,6 @@ func maxProduct(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1463.Cherry-Pickup-II/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1470.Shuffle-the-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1463.Cherry-Pickup-II/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1470.Shuffle-the-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1470.Shuffle-the-Array.md b/website/content/ChapterFour/1400~1499/1470.Shuffle-the-Array.md
similarity index 84%
rename from website/content/ChapterFour/1470.Shuffle-the-Array.md
rename to website/content/ChapterFour/1400~1499/1470.Shuffle-the-Array.md
index 571c6c2e..f010ba9f 100644
--- a/website/content/ChapterFour/1470.Shuffle-the-Array.md
+++ b/website/content/ChapterFour/1400~1499/1470.Shuffle-the-Array.md
@@ -66,6 +66,6 @@ func shuffle(nums []int, n int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1480.Running-Sum-of-1d-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1480.Running-Sum-of-1d-Array.md b/website/content/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md
similarity index 84%
rename from website/content/ChapterFour/1480.Running-Sum-of-1d-Array.md
rename to website/content/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md
index 12573981..f3bde070 100644
--- a/website/content/ChapterFour/1480.Running-Sum-of-1d-Array.md
+++ b/website/content/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md
@@ -66,6 +66,6 @@ func runningSum(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1470.Shuffle-the-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1512.Number-of-Good-Pairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1470.Shuffle-the-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1512.Number-of-Good-Pairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1400~1499/_index.md b/website/content/ChapterFour/1400~1499/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1400~1499/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1512.Number-of-Good-Pairs.md b/website/content/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md
similarity index 83%
rename from website/content/ChapterFour/1512.Number-of-Good-Pairs.md
rename to website/content/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md
index 5d5db6bf..327a4e92 100644
--- a/website/content/ChapterFour/1512.Number-of-Good-Pairs.md
+++ b/website/content/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md
@@ -69,6 +69,6 @@ func numIdenticalPairs(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1480.Running-Sum-of-1d-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1539.Kth-Missing-Positive-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1539.Kth-Missing-Positive-Number.md b/website/content/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md
similarity index 86%
rename from website/content/ChapterFour/1539.Kth-Missing-Positive-Number.md
rename to website/content/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md
index 9ec04f9e..4052881d 100644
--- a/website/content/ChapterFour/1539.Kth-Missing-Positive-Number.md
+++ b/website/content/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md
@@ -65,6 +65,6 @@ func findKthPositive(arr []int, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1512.Number-of-Good-Pairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1573.Number-of-Ways-to-Split-a-String/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1512.Number-of-Good-Pairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1573.Number-of-Ways-to-Split-a-String.md b/website/content/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md
similarity index 90%
rename from website/content/ChapterFour/1573.Number-of-Ways-to-Split-a-String.md
rename to website/content/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md
index 9060eded..956091f2 100644
--- a/website/content/ChapterFour/1573.Number-of-Ways-to-Split-a-String.md
+++ b/website/content/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md
@@ -110,6 +110,6 @@ func numWays(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1539.Kth-Missing-Positive-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1640.Check-Array-Formation-Through-Concatenation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1500~1599/_index.md b/website/content/ChapterFour/1500~1599/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1500~1599/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md b/website/content/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md
similarity index 92%
rename from website/content/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md
rename to website/content/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md
index 5889f65b..10c25e7e 100644
--- a/website/content/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md
+++ b/website/content/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md
@@ -97,6 +97,6 @@ func canFormArray(arr []int, pieces [][]int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1573.Number-of-Ways-to-Split-a-String/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1641.Count-Sorted-Vowel-Strings/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1641.Count-Sorted-Vowel-Strings.md b/website/content/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md
similarity index 92%
rename from website/content/ChapterFour/1641.Count-Sorted-Vowel-Strings.md
rename to website/content/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md
index 79480691..88f0b709 100644
--- a/website/content/ChapterFour/1641.Count-Sorted-Vowel-Strings.md
+++ b/website/content/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md
@@ -92,6 +92,6 @@ func countVowelStrings1(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1640.Check-Array-Formation-Through-Concatenation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1646.Get-Maximum-in-Generated-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1646.Get-Maximum-in-Generated-Array.md b/website/content/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md
similarity index 89%
rename from website/content/ChapterFour/1646.Get-Maximum-in-Generated-Array.md
rename to website/content/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md
index b14b1501..0c91d006 100644
--- a/website/content/ChapterFour/1646.Get-Maximum-in-Generated-Array.md
+++ b/website/content/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md
@@ -98,6 +98,6 @@ func getMaximumGenerated(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1641.Count-Sorted-Vowel-Strings/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md b/website/content/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
similarity index 91%
rename from website/content/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
rename to website/content/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
index dddd6ba1..738cb917 100644
--- a/website/content/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
+++ b/website/content/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
@@ -91,6 +91,6 @@ func minDeletions(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1646.Get-Maximum-in-Generated-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md b/website/content/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md
similarity index 96%
rename from website/content/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md
rename to website/content/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md
index f65f56cb..6884175a 100644
--- a/website/content/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md
+++ b/website/content/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md
@@ -133,6 +133,6 @@ func maxProfit(inventory []int, orders int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1649.Create-Sorted-Array-through-Instructions/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md b/website/content/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md
similarity index 96%
rename from website/content/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md
rename to website/content/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md
index 69450ff8..63f7c120 100644
--- a/website/content/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md
+++ b/website/content/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md
@@ -191,6 +191,6 @@ func (b *BIT) get(i int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1652.Defuse-the-Bomb/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1652.Defuse-the-Bomb/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1652.Defuse-the-Bomb.md b/website/content/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md
similarity index 92%
rename from website/content/ChapterFour/1652.Defuse-the-Bomb.md
rename to website/content/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md
index 3ae46fce..8f5dc35f 100644
--- a/website/content/ChapterFour/1652.Defuse-the-Bomb.md
+++ b/website/content/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md
@@ -127,6 +127,6 @@ func decrypt(code []int, k int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1649.Create-Sorted-Array-through-Instructions/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced.md b/website/content/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md
similarity index 93%
rename from website/content/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced.md
rename to website/content/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md
index bd2ee314..15d8427e 100644
--- a/website/content/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced.md
+++ b/website/content/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md
@@ -92,6 +92,6 @@ func minimumDeletions1(s string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1652.Defuse-the-Bomb/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1654.Minimum-Jumps-to-Reach-Home/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1652.Defuse-the-Bomb/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md b/website/content/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md
similarity index 93%
rename from website/content/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md
rename to website/content/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md
index 793f382c..bc5f9a41 100644
--- a/website/content/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md
+++ b/website/content/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md
@@ -103,6 +103,6 @@ func minimumJumps(forbidden []int, a int, b int, x int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1655.Distribute-Repeating-Integers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1655.Distribute-Repeating-Integers.md b/website/content/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md
similarity index 92%
rename from website/content/ChapterFour/1655.Distribute-Repeating-Integers.md
rename to website/content/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md
index 41977eef..ca4122a8 100644
--- a/website/content/ChapterFour/1655.Distribute-Repeating-Integers.md
+++ b/website/content/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md
@@ -114,6 +114,6 @@ func dfs(freq map[int]int, quantity []int) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1654.Minimum-Jumps-to-Reach-Home/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1656.Design-an-Ordered-Stream/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1656.Design-an-Ordered-Stream.md b/website/content/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md
similarity index 94%
rename from website/content/ChapterFour/1656.Design-an-Ordered-Stream.md
rename to website/content/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md
index 39c33d70..d71767f0 100644
--- a/website/content/ChapterFour/1656.Design-an-Ordered-Stream.md
+++ b/website/content/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md
@@ -108,6 +108,6 @@ func (this *OrderedStream) Insert(id int, value string) []string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1655.Distribute-Repeating-Integers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1657.Determine-if-Two-Strings-Are-Close/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1657.Determine-if-Two-Strings-Are-Close.md b/website/content/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close.md
similarity index 93%
rename from website/content/ChapterFour/1657.Determine-if-Two-Strings-Are-Close.md
rename to website/content/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close.md
index 82d429e8..c36f7fa2 100644
--- a/website/content/ChapterFour/1657.Determine-if-Two-Strings-Are-Close.md
+++ b/website/content/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close.md
@@ -116,6 +116,6 @@ func closeStrings(word1 string, word2 string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1656.Design-an-Ordered-Stream/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md b/website/content/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
similarity index 92%
rename from website/content/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
rename to website/content/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
index 955f6f2b..021824d2 100644
--- a/website/content/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
+++ b/website/content/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
@@ -98,6 +98,6 @@ func max(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1657.Determine-if-Two-Strings-Are-Close/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1659.Maximize-Grid-Happiness/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1659.Maximize-Grid-Happiness.md b/website/content/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md
similarity index 97%
rename from website/content/ChapterFour/1659.Maximize-Grid-Happiness.md
rename to website/content/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md
index 73f3ed57..049e5fcf 100644
--- a/website/content/ChapterFour/1659.Maximize-Grid-Happiness.md
+++ b/website/content/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md
@@ -187,6 +187,6 @@ func max(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent.md b/website/content/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md
similarity index 87%
rename from website/content/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent.md
rename to website/content/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md
index 84931259..4b99dc3e 100644
--- a/website/content/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent.md
+++ b/website/content/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md
@@ -67,6 +67,6 @@ func arrayStringsAreEqual(word1 []string, word2 []string) bool {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1659.Maximize-Grid-Happiness/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value.md b/website/content/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value.md
similarity index 93%
rename from website/content/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value.md
rename to website/content/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value.md
index e6875609..b373c410 100644
--- a/website/content/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value.md
+++ b/website/content/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value.md
@@ -104,6 +104,6 @@ func findSmallestString(value int, length, k, index int, str []byte, res *string
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1664.Ways-to-Make-a-Fair-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1664.Ways-to-Make-a-Fair-Array.md b/website/content/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md
similarity index 94%
rename from website/content/ChapterFour/1664.Ways-to-Make-a-Fair-Array.md
rename to website/content/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md
index 45d86fc9..1c607617 100644
--- a/website/content/ChapterFour/1664.Ways-to-Make-a-Fair-Array.md
+++ b/website/content/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md
@@ -118,6 +118,6 @@ func waysToMakeFair1(nums []int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks.md b/website/content/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
similarity index 94%
rename from website/content/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
rename to website/content/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
index 6518e98a..e201a20d 100644
--- a/website/content/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
+++ b/website/content/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
@@ -130,6 +130,6 @@ func (task Task) Swap(i, j int) {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1664.Ways-to-Make-a-Fair-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1668.Maximum-Repeating-Substring/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1668.Maximum-Repeating-Substring.md b/website/content/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md
similarity index 89%
rename from website/content/ChapterFour/1668.Maximum-Repeating-Substring.md
rename to website/content/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md
index 91c3fd9d..f86e6bc1 100644
--- a/website/content/ChapterFour/1668.Maximum-Repeating-Substring.md
+++ b/website/content/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md
@@ -71,6 +71,6 @@ func maxRepeating(sequence string, word string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1669.Merge-In-Between-Linked-Lists/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1669.Merge-In-Between-Linked-Lists.md b/website/content/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md
similarity index 89%
rename from website/content/ChapterFour/1669.Merge-In-Between-Linked-Lists.md
rename to website/content/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md
index fdd831d1..05e4afc4 100644
--- a/website/content/ChapterFour/1669.Merge-In-Between-Linked-Lists.md
+++ b/website/content/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md
@@ -77,6 +77,6 @@ func mergeInBetween(list1 *ListNode, a int, b int, list2 *ListNode) *ListNode {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1668.Maximum-Repeating-Substring/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1670.Design-Front-Middle-Back-Queue/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1670.Design-Front-Middle-Back-Queue.md b/website/content/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md
similarity index 95%
rename from website/content/ChapterFour/1670.Design-Front-Middle-Back-Queue.md
rename to website/content/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md
index 533fa366..db98ab36 100644
--- a/website/content/ChapterFour/1670.Design-Front-Middle-Back-Queue.md
+++ b/website/content/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md
@@ -174,6 +174,6 @@ func (this *FrontMiddleBackQueue) PopBack() int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1669.Merge-In-Between-Linked-Lists/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1672.Richest-Customer-Wealth/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1672.Richest-Customer-Wealth/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1672.Richest-Customer-Wealth.md b/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
similarity index 88%
rename from website/content/ChapterFour/1672.Richest-Customer-Wealth.md
rename to website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
index 13a3b114..72e287b6 100644
--- a/website/content/ChapterFour/1672.Richest-Customer-Wealth.md
+++ b/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
@@ -74,6 +74,6 @@ func maximumWealth(accounts [][]int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1670.Design-Front-Middle-Back-Queue/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1673.Find-the-Most-Competitive-Subsequence/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1673.Find-the-Most-Competitive-Subsequence.md b/website/content/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md
similarity index 90%
rename from website/content/ChapterFour/1673.Find-the-Most-Competitive-Subsequence.md
rename to website/content/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md
index b0b30764..02292dd4 100644
--- a/website/content/ChapterFour/1673.Find-the-Most-Competitive-Subsequence.md
+++ b/website/content/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md
@@ -64,6 +64,6 @@ func mostCompetitive(nums []int, k int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1672.Richest-Customer-Wealth/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1672.Richest-Customer-Wealth/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary.md b/website/content/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary.md
similarity index 93%
rename from website/content/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary.md
rename to website/content/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary.md
index 31ade1f0..306c924e 100644
--- a/website/content/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary.md
+++ b/website/content/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary.md
@@ -99,6 +99,6 @@ func max(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1673.Find-the-Most-Competitive-Subsequence/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1678.Goal-Parser-Interpretation/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1678.Goal-Parser-Interpretation.md b/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
similarity index 88%
rename from website/content/ChapterFour/1678.Goal-Parser-Interpretation.md
rename to website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
index 0027dd5b..a7cbeff6 100644
--- a/website/content/ChapterFour/1678.Goal-Parser-Interpretation.md
+++ b/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
@@ -75,6 +75,6 @@ func interpret(command string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1679.Max-Number-of-K-Sum-Pairs/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1679.Max-Number-of-K-Sum-Pairs.md b/website/content/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md
similarity index 90%
rename from website/content/ChapterFour/1679.Max-Number-of-K-Sum-Pairs.md
rename to website/content/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md
index a573fadc..f95055aa 100644
--- a/website/content/ChapterFour/1679.Max-Number-of-K-Sum-Pairs.md
+++ b/website/content/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md
@@ -100,6 +100,6 @@ func maxOperations_(nums []int, k int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1678.Goal-Parser-Interpretation/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers.md b/website/content/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md
similarity index 92%
rename from website/content/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers.md
rename to website/content/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md
index 5fc06173..085376b2 100644
--- a/website/content/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers.md
+++ b/website/content/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md
@@ -97,6 +97,6 @@ func concatenatedBinary1(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1679.Max-Number-of-K-Sum-Pairs/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1681.Minimum-Incompatibility/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1681.Minimum-Incompatibility/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1681.Minimum-Incompatibility.md b/website/content/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md
similarity index 94%
rename from website/content/ChapterFour/1681.Minimum-Incompatibility.md
rename to website/content/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md
index ebc5c06a..e8a267e6 100644
--- a/website/content/ChapterFour/1681.Minimum-Incompatibility.md
+++ b/website/content/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md
@@ -124,6 +124,6 @@ func generatePermutation1681(nums, counts, order []int, index, sum, eachSize int
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1684.Count-the-Number-of-Consistent-Strings/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1684.Count-the-Number-of-Consistent-Strings.md b/website/content/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md
similarity index 89%
rename from website/content/ChapterFour/1684.Count-the-Number-of-Consistent-Strings.md
rename to website/content/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md
index 9cce9fd7..afe034b5 100644
--- a/website/content/ChapterFour/1684.Count-the-Number-of-Consistent-Strings.md
+++ b/website/content/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md
@@ -81,6 +81,6 @@ func countConsistentStrings(allowed string, words []string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1681.Minimum-Incompatibility/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1681.Minimum-Incompatibility/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md b/website/content/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md
similarity index 92%
rename from website/content/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md
rename to website/content/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md
index 690f9b1d..4ab16dc7 100644
--- a/website/content/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md
+++ b/website/content/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md
@@ -90,6 +90,6 @@ func getSumAbsoluteDifferences1(nums []int) []int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1684.Count-the-Number-of-Consistent-Strings/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1688.Count-of-Matches-in-Tournament/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1688.Count-of-Matches-in-Tournament.md b/website/content/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md
similarity index 89%
rename from website/content/ChapterFour/1688.Count-of-Matches-in-Tournament.md
rename to website/content/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md
index fc73c685..e8a8c392 100644
--- a/website/content/ChapterFour/1688.Count-of-Matches-in-Tournament.md
+++ b/website/content/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md
@@ -82,6 +82,6 @@ func numberOfMatches1(n int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md b/website/content/ChapterFour/1600~1699/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md
similarity index 89%
rename from website/content/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md
rename to website/content/ChapterFour/1600~1699/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md
index bb6b7c53..f3494ed4 100644
--- a/website/content/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md
+++ b/website/content/ChapterFour/1600~1699/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md
@@ -62,6 +62,6 @@ func minPartitions(n string) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1688.Count-of-Matches-in-Tournament/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1690.Stone-Game-VII/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1690.Stone-Game-VII/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1690.Stone-Game-VII.md b/website/content/ChapterFour/1600~1699/1690.Stone-Game-VII.md
similarity index 95%
rename from website/content/ChapterFour/1690.Stone-Game-VII.md
rename to website/content/ChapterFour/1600~1699/1690.Stone-Game-VII.md
index cdb41310..808f21e1 100644
--- a/website/content/ChapterFour/1690.Stone-Game-VII.md
+++ b/website/content/ChapterFour/1600~1699/1690.Stone-Game-VII.md
@@ -132,6 +132,6 @@ func max(a, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1694.Reformat-Phone-Number/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1694.Reformat-Phone-Number/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1694.Reformat-Phone-Number.md b/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
similarity index 94%
rename from website/content/ChapterFour/1694.Reformat-Phone-Number.md
rename to website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
index b878af68..f27cf352 100644
--- a/website/content/ChapterFour/1694.Reformat-Phone-Number.md
+++ b/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
@@ -137,6 +137,6 @@ func reformatNumber(number string) string {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1690.Stone-Game-VII/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1695.Maximum-Erasure-Value/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1690.Stone-Game-VII/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1695.Maximum-Erasure-Value/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1695.Maximum-Erasure-Value.md b/website/content/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md
similarity index 90%
rename from website/content/ChapterFour/1695.Maximum-Erasure-Value.md
rename to website/content/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md
index 890a6128..7ca5b884 100644
--- a/website/content/ChapterFour/1695.Maximum-Erasure-Value.md
+++ b/website/content/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md
@@ -77,6 +77,6 @@ func max(a int, b int) int {
 
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1694.Reformat-Phone-Number/">⬅️上一页</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1696.Jump-Game-VI/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1694.Reformat-Phone-Number/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1696.Jump-Game-VI/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterFour/1696.Jump-Game-VI.md b/website/content/ChapterFour/1600~1699/1696.Jump-Game-VI.md
similarity index 97%
rename from website/content/ChapterFour/1696.Jump-Game-VI.md
rename to website/content/ChapterFour/1600~1699/1696.Jump-Game-VI.md
index 9186a0f5..2aefdf94 100644
--- a/website/content/ChapterFour/1696.Jump-Game-VI.md
+++ b/website/content/ChapterFour/1600~1699/1696.Jump-Game-VI.md
@@ -110,5 +110,5 @@ func max(a, b int) int {
 
 
 ----------------------------------------------
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1695.Maximum-Erasure-Value/">⬅️上一页</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/1600~1699/1695.Maximum-Erasure-Value/">⬅️上一页</a></p>
 
diff --git a/website/content/ChapterFour/1600~1699/_index.md b/website/content/ChapterFour/1600~1699/_index.md
new file mode 100644
index 00000000..d2021683
--- /dev/null
+++ b/website/content/ChapterFour/1600~1699/_index.md
@@ -0,0 +1,5 @@
+---
+bookCollapseSection: true
+weight: 20
+---
+
diff --git a/website/content/ChapterFour/_index.md b/website/content/ChapterFour/_index.md
index bcc5b320..b3eaba6b 100644
--- a/website/content/ChapterFour/_index.md
+++ b/website/content/ChapterFour/_index.md
@@ -1,9 +1,10 @@
 ---
-title: 第四章
+title: 第四章 LeetCode 题解
 type: docs
+weight: 4
 ---
 
-# 第四章 Leetcode 题解
+# 第四章 LeetCode 题解
 
 <p align='center'>
 <img src='https://img.halfrost.com/Leetcode/GOPHERCON_.png'>
@@ -20,5 +21,5 @@ type: docs
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterThree/LFUCache/">⬅️上一章</a></p>
-<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001.Two-Sum/">下一页➡️</a></p>
+<p><a href="https://books.halfrost.com/leetcode/ChapterFour/0001~0099/0001.Two-Sum/">下一页➡️</a></p>
 </div>
diff --git a/website/content/ChapterOne/Algorithm.md b/website/content/ChapterOne/Algorithm.md
index bdf96932..c4369838 100644
--- a/website/content/ChapterOne/Algorithm.md
+++ b/website/content/ChapterOne/Algorithm.md
@@ -1,6 +1,7 @@
 ---
-title: 算法知识
+title: 1.2 算法知识
 type: docs
+weight: 2
 ---
 
 # 算法知识
diff --git a/website/content/ChapterOne/Data_Structure.md b/website/content/ChapterOne/Data_Structure.md
index 1d9ca35f..04cf67ac 100644
--- a/website/content/ChapterOne/Data_Structure.md
+++ b/website/content/ChapterOne/Data_Structure.md
@@ -1,6 +1,7 @@
 ---
-title: 数据结构知识
+title: 1.1 数据结构知识
 type: docs
+weight: 1
 ---
 
 # 数据结构知识
diff --git a/website/content/ChapterOne/_index.md b/website/content/ChapterOne/_index.md
index 0eba551e..48ff3ac1 100644
--- a/website/content/ChapterOne/_index.md
+++ b/website/content/ChapterOne/_index.md
@@ -1,6 +1,7 @@
 ---
-title: 第一章
+title: 第一章 序章
 type: docs
+weight: 1
 ---
 
 # 第一章 序章
diff --git a/website/content/ChapterThree/LFUCache.md b/website/content/ChapterThree/LFUCache.md
index b176f6db..95dfb6a7 100644
--- a/website/content/ChapterThree/LFUCache.md
+++ b/website/content/ChapterThree/LFUCache.md
@@ -1,6 +1,7 @@
 ---
-title: LFUCache
+title: 3.4 LFUCache
 type: docs
+weight: 4
 ---
 
 # 最不经常最少使用 LFUCache
diff --git a/website/content/ChapterThree/LRUCache.md b/website/content/ChapterThree/LRUCache.md
index e4b3816f..dcd97d6e 100644
--- a/website/content/ChapterThree/LRUCache.md
+++ b/website/content/ChapterThree/LRUCache.md
@@ -1,6 +1,7 @@
 ---
-title: LRUCache
+title: 3.3 LRUCache
 type: docs
+weight: 3
 ---
 
 # 最近最少使用 LRUCache
diff --git a/website/content/ChapterThree/Segment_Tree.md b/website/content/ChapterThree/Segment_Tree.md
index da5cf4c0..0d331235 100644
--- a/website/content/ChapterThree/Segment_Tree.md
+++ b/website/content/ChapterThree/Segment_Tree.md
@@ -1,6 +1,7 @@
 ---
-title: 线段树
+title: 3.1 Segment Tree
 type: docs
+weight: 1
 ---
 
 # 线段树 Segment Tree
diff --git a/website/content/ChapterThree/UnionFind.md b/website/content/ChapterThree/UnionFind.md
index 33cf76a2..c1e2009b 100644
--- a/website/content/ChapterThree/UnionFind.md
+++ b/website/content/ChapterThree/UnionFind.md
@@ -1,6 +1,7 @@
 ---
-title: 并查集
+title: 3.2 UnionFind
 type: docs
+weight: 2
 ---
 
 # 并查集 UnionFind
diff --git a/website/content/ChapterThree/_index.md b/website/content/ChapterThree/_index.md
index 02f24845..b078b1d6 100644
--- a/website/content/ChapterThree/_index.md
+++ b/website/content/ChapterThree/_index.md
@@ -1,6 +1,7 @@
 ---
-title: 第三章
+title: 第三章 一些模板
 type: docs
+weight: 3
 ---
 
 # 第三章 一些模板
diff --git a/website/content/ChapterTwo/Array.md b/website/content/ChapterTwo/Array.md
index 736263ef..19086bee 100644
--- a/website/content/ChapterTwo/Array.md
+++ b/website/content/ChapterTwo/Array.md
@@ -1,155 +1,156 @@
 ---
-title: Array
+title: 2.01 Array
 type: docs
+weight: 1
 ---
 
 # Array
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
-|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.8%|
-|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.2%|
-|0015|3Sum|[Go]({{< relref "/ChapterFour/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.8%|
-|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.4%|
-|0027|Remove Element|[Go]({{< relref "/ChapterFour/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
-|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.7%|
-|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.1%|
-|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
-|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
-|0041|First Missing Positive|[Go]({{< relref "/ChapterFour/0041.First-Missing-Positive.md" >}})|Hard| O(n)| O(n)||33.5%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.8%|
-|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0048.Rotate-Image.md" >}})|Medium| O(n)| O(1)||59.5%|
-|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
-|0054|Spiral Matrix|[Go]({{< relref "/ChapterFour/0054.Spiral-Matrix.md" >}})|Medium| O(n)| O(n^2)||35.6%|
-|0055|Jump Game|[Go]({{< relref "/ChapterFour/0055.Jump-Game.md" >}})|Medium||||35.1%|
-|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(1)||40.7%|
-|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
-|0059|Spiral Matrix II|[Go]({{< relref "/ChapterFour/0059.Spiral-Matrix-II.md" >}})|Medium| O(n)| O(n^2)||57.5%|
-|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
-|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
-|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.0%|
-|0066|Plus One|[Go]({{< relref "/ChapterFour/0066.Plus-One.md" >}})|Easy||||42.4%|
-|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.5%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.0%|
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.6%|
-|0079|Word Search|[Go]({{< relref "/ChapterFour/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
-|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||45.9%|
-|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
-|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|36.9%|
-|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
-|0090|Subsets II|[Go]({{< relref "/ChapterFour/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
-|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.4%|
-|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.3%|
-|0118|Pascal's Triangle|[Go]({{< relref "/ChapterFour/0118.Pascals-Triangle.md" >}})|Easy||||54.5%|
-|0120|Triangle|[Go]({{< relref "/ChapterFour/0120.Triangle.md" >}})|Medium| O(n^2)| O(n)||45.5%|
-|0121|Best Time to Buy and Sell Stock|[Go]({{< relref "/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md" >}})|Easy| O(n)| O(1)||51.3%|
-|0122|Best Time to Buy and Sell Stock II|[Go]({{< relref "/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II.md" >}})|Easy| O(n)| O(1)||58.3%|
-|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
-|0128|Longest Consecutive Sequence|[Go]({{< relref "/ChapterFour/0128.Longest-Consecutive-Sequence.md" >}})|Hard||||46.1%|
-|0152|Maximum Product Subarray|[Go]({{< relref "/ChapterFour/0152.Maximum-Product-Subarray.md" >}})|Medium| O(n)| O(1)||32.7%|
-|0153|Find Minimum in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md" >}})|Medium||||46.0%|
-|0154|Find Minimum in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md" >}})|Hard||||41.9%|
-|0162|Find Peak Element|[Go]({{< relref "/ChapterFour/0162.Find-Peak-Element.md" >}})|Medium||||43.9%|
-|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.4%|
-|0169|Majority Element|[Go]({{< relref "/ChapterFour/0169.Majority-Element.md" >}})|Easy||||59.9%|
-|0189|Rotate Array|[Go]({{< relref "/ChapterFour/0189.Rotate-Array.md" >}})|Medium||||36.4%|
-|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.2%|
-|0216|Combination Sum III|[Go]({{< relref "/ChapterFour/0216.Combination-Sum-III.md" >}})|Medium| O(n)| O(1)|❤️|60.0%|
-|0217|Contains Duplicate|[Go]({{< relref "/ChapterFour/0217.Contains-Duplicate.md" >}})|Easy| O(n)| O(n)||56.5%|
-|0219|Contains Duplicate II|[Go]({{< relref "/ChapterFour/0219.Contains-Duplicate-II.md" >}})|Easy| O(n)| O(n)||38.5%|
-|0228|Summary Ranges|[Go]({{< relref "/ChapterFour/0228.Summary-Ranges.md" >}})|Easy||||42.2%|
-|0229|Majority Element II|[Go]({{< relref "/ChapterFour/0229.Majority-Element-II.md" >}})|Medium||||38.6%|
-|0268|Missing Number|[Go]({{< relref "/ChapterFour/0268.Missing-Number.md" >}})|Easy||||53.5%|
-|0283|Move Zeroes|[Go]({{< relref "/ChapterFour/0283.Move-Zeroes.md" >}})|Easy| O(n)| O(1)||58.5%|
-|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.2%|
-|0414|Third Maximum Number|[Go]({{< relref "/ChapterFour/0414.Third-Maximum-Number.md" >}})|Easy||||30.6%|
-|0448|Find All Numbers Disappeared in an Array|[Go]({{< relref "/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array.md" >}})|Easy||||56.1%|
-|0457|Circular Array Loop|[Go]({{< relref "/ChapterFour/0457.Circular-Array-Loop.md" >}})|Medium||||30.0%|
-|0485|Max Consecutive Ones|[Go]({{< relref "/ChapterFour/0485.Max-Consecutive-Ones.md" >}})|Easy||||53.1%|
-|0509|Fibonacci Number|[Go]({{< relref "/ChapterFour/0509.Fibonacci-Number.md" >}})|Easy||||67.3%|
-|0532|K-diff Pairs in an Array|[Go]({{< relref "/ChapterFour/0532.K-diff-Pairs-in-an-Array.md" >}})|Medium| O(n)| O(n)||35.0%|
-|0561|Array Partition I|[Go]({{< relref "/ChapterFour/0561.Array-Partition-I.md" >}})|Easy||||73.0%|
-|0566|Reshape the Matrix|[Go]({{< relref "/ChapterFour/0566.Reshape-the-Matrix.md" >}})|Easy| O(n^2)| O(n^2)||61.0%|
-|0605|Can Place Flowers|[Go]({{< relref "/ChapterFour/0605.Can-Place-Flowers.md" >}})|Easy||||31.9%|
-|0628|Maximum Product of Three Numbers|[Go]({{< relref "/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md" >}})|Easy| O(n)| O(1)||47.0%|
-|0661|Image Smoother|[Go]({{< relref "/ChapterFour/0661.Image-Smoother.md" >}})|Easy||||52.2%|
-|0674|Longest Continuous Increasing Subsequence|[Go]({{< relref "/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence.md" >}})|Easy||||46.0%|
-|0695|Max Area of Island|[Go]({{< relref "/ChapterFour/0695.Max-Area-of-Island.md" >}})|Medium||||64.4%|
-|0697|Degree of an Array|[Go]({{< relref "/ChapterFour/0697.Degree-of-an-Array.md" >}})|Easy||||54.4%|
-|0713|Subarray Product Less Than K|[Go]({{< relref "/ChapterFour/0713.Subarray-Product-Less-Than-K.md" >}})|Medium| O(n)| O(1)||40.4%|
-|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go]({{< relref "/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md" >}})|Medium| O(n)| O(1)||55.9%|
-|0717|1-bit and 2-bit Characters|[Go]({{< relref "/ChapterFour/0717.1-bit-and-2-bit-Characters.md" >}})|Easy||||47.5%|
-|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.2%|
-|0719|Find K-th Smallest Pair Distance|[Go]({{< relref "/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md" >}})|Hard||||32.5%|
-|0724|Find Pivot Index|[Go]({{< relref "/ChapterFour/0724.Find-Pivot-Index.md" >}})|Easy||||45.1%|
-|0729|My Calendar I|[Go]({{< relref "/ChapterFour/0729.My-Calendar-I.md" >}})|Medium||||53.2%|
-|0746|Min Cost Climbing Stairs|[Go]({{< relref "/ChapterFour/0746.Min-Cost-Climbing-Stairs.md" >}})|Easy| O(n)| O(1)||50.9%|
-|0766|Toeplitz Matrix|[Go]({{< relref "/ChapterFour/0766.Toeplitz-Matrix.md" >}})|Easy| O(n)| O(1)||65.8%|
-|0830|Positions of Large Groups|[Go]({{< relref "/ChapterFour/0830.Positions-of-Large-Groups.md" >}})|Easy||||50.3%|
-|0832|Flipping an Image|[Go]({{< relref "/ChapterFour/0832.Flipping-an-Image.md" >}})|Easy||||78.0%|
-|0867|Transpose Matrix|[Go]({{< relref "/ChapterFour/0867.Transpose-Matrix.md" >}})|Easy| O(n)| O(1)||62.2%|
-|0888|Fair Candy Swap|[Go]({{< relref "/ChapterFour/0888.Fair-Candy-Swap.md" >}})|Easy||||58.9%|
-|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||32.9%|
-|0896|Monotonic Array|[Go]({{< relref "/ChapterFour/0896.Monotonic-Array.md" >}})|Easy||||58.0%|
-|0907|Sum of Subarray Minimums|[Go]({{< relref "/ChapterFour/0907.Sum-of-Subarray-Minimums.md" >}})|Medium| O(n)| O(n)|❤️|33.2%|
-|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||34.3%|
-|0918|Maximum Sum Circular Subarray|[Go]({{< relref "/ChapterFour/0918.Maximum-Sum-Circular-Subarray.md" >}})|Medium||||34.1%|
-|0922|Sort Array By Parity II|[Go]({{< relref "/ChapterFour/0922.Sort-Array-By-Parity-II.md" >}})|Easy| O(n)| O(1)||70.4%|
-|0969|Pancake Sorting|[Go]({{< relref "/ChapterFour/0969.Pancake-Sorting.md" >}})|Medium| O(n)| O(1)|❤️|68.6%|
-|0977|Squares of a Sorted Array|[Go]({{< relref "/ChapterFour/0977.Squares-of-a-Sorted-Array.md" >}})|Easy| O(n)| O(1)||72.2%|
-|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0978.Longest-Turbulent-Subarray.md" >}})|Medium||||46.6%|
-|0985|Sum of Even Numbers After Queries|[Go]({{< relref "/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries.md" >}})|Easy||||60.7%|
-|0989|Add to Array-Form of Integer|[Go]({{< relref "/ChapterFour/0989.Add-to-Array-Form-of-Integer.md" >}})|Easy||||44.7%|
-|0999|Available Captures for Rook|[Go]({{< relref "/ChapterFour/0999.Available-Captures-for-Rook.md" >}})|Easy||||67.1%|
-|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1002.Find-Common-Characters.md" >}})|Easy||||68.2%|
-|1011|Capacity To Ship Packages Within D Days|[Go]({{< relref "/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})|Medium||||59.6%|
-|1018|Binary Prefix Divisible By 5|[Go]({{< relref "/ChapterFour/1018.Binary-Prefix-Divisible-By-5.md" >}})|Easy||||47.8%|
-|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium||||53.9%|
-|1051|Height Checker|[Go]({{< relref "/ChapterFour/1051.Height-Checker.md" >}})|Easy||||72.0%|
-|1052|Grumpy Bookstore Owner|[Go]({{< relref "/ChapterFour/1052.Grumpy-Bookstore-Owner.md" >}})|Medium||||55.7%|
-|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard||||61.5%|
-|1089|Duplicate Zeros|[Go]({{< relref "/ChapterFour/1089.Duplicate-Zeros.md" >}})|Easy||||52.0%|
-|1122|Relative Sort Array|[Go]({{< relref "/ChapterFour/1122.Relative-Sort-Array.md" >}})|Easy||||67.9%|
-|1128|Number of Equivalent Domino Pairs|[Go]({{< relref "/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs.md" >}})|Easy||||46.6%|
-|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard||||39.6%|
-|1160|Find Words That Can Be Formed by Characters|[Go]({{< relref "/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md" >}})|Easy||||67.6%|
-|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
-|1184|Distance Between Bus Stops|[Go]({{< relref "/ChapterFour/1184.Distance-Between-Bus-Stops.md" >}})|Easy||||54.1%|
-|1185|Day of the Week|[Go]({{< relref "/ChapterFour/1185.Day-of-the-Week.md" >}})|Easy||||61.8%|
-|1200|Minimum Absolute Difference|[Go]({{< relref "/ChapterFour/1200.Minimum-Absolute-Difference.md" >}})|Easy||||66.8%|
-|1202|Smallest String With Swaps|[Go]({{< relref "/ChapterFour/1202.Smallest-String-With-Swaps.md" >}})|Medium||||48.5%|
-|1208|Get Equal Substrings Within Budget|[Go]({{< relref "/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md" >}})|Medium||||43.7%|
-|1217|Minimum Cost to Move Chips to The Same Position|[Go]({{< relref "/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})|Easy||||71.2%|
-|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||43.8%|
-|1252|Cells with Odd Values in a Matrix|[Go]({{< relref "/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix.md" >}})|Easy||||78.8%|
-|1260|Shift 2D Grid|[Go]({{< relref "/ChapterFour/1260.Shift-2D-Grid.md" >}})|Easy||||61.8%|
-|1266|Minimum Time Visiting All Points|[Go]({{< relref "/ChapterFour/1266.Minimum-Time-Visiting-All-Points.md" >}})|Easy||||79.4%|
-|1275|Find Winner on a Tic Tac Toe Game|[Go]({{< relref "/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md" >}})|Easy||||53.0%|
-|1287|Element Appearing More Than 25% In Sorted Array|[Go]({{< relref "/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md" >}})|Easy||||60.2%|
-|1295|Find Numbers with Even Number of Digits|[Go]({{< relref "/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits.md" >}})|Easy||||79.3%|
-|1299|Replace Elements with Greatest Element on Right Side|[Go]({{< relref "/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md" >}})|Easy||||74.4%|
-|1300|Sum of Mutated Array Closest to Target|[Go]({{< relref "/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md" >}})|Medium||||43.2%|
-|1304|Find N Unique Integers Sum up to Zero|[Go]({{< relref "/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md" >}})|Easy||||76.8%|
-|1313|Decompress Run-Length Encoded List|[Go]({{< relref "/ChapterFour/1313.Decompress-Run-Length-Encoded-List.md" >}})|Easy||||85.4%|
-|1329|Sort the Matrix Diagonally|[Go]({{< relref "/ChapterFour/1329.Sort-the-Matrix-Diagonally.md" >}})|Medium||||81.8%|
-|1380|Lucky Numbers in a Matrix|[Go]({{< relref "/ChapterFour/1380.Lucky-Numbers-in-a-Matrix.md" >}})|Easy||||70.8%|
-|1385|Find the Distance Value Between Two Arrays|[Go]({{< relref "/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays.md" >}})|Easy||||66.4%|
-|1389|Create Target Array in the Given Order|[Go]({{< relref "/ChapterFour/1389.Create-Target-Array-in-the-Given-Order.md" >}})|Easy||||84.8%|
-|1437|Check If All 1's Are at Least Length K Places Away|[Go]({{< relref "/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md" >}})|Easy||||63.0%|
-|1464|Maximum Product of Two Elements in an Array|[Go]({{< relref "/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array.md" >}})|Easy||||77.1%|
-|1470|Shuffle the Array|[Go]({{< relref "/ChapterFour/1470.Shuffle-the-Array.md" >}})|Easy||||88.4%|
-|1480|Running Sum of 1d Array|[Go]({{< relref "/ChapterFour/1480.Running-Sum-of-1d-Array.md" >}})|Easy||||89.5%|
-|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
-|1539|Kth Missing Positive Number|[Go]({{< relref "/ChapterFour/1539.Kth-Missing-Positive-Number.md" >}})|Easy||||55.2%|
-|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.7%|
-|1646|Get Maximum in Generated Array|[Go]({{< relref "/ChapterFour/1646.Get-Maximum-in-Generated-Array.md" >}})|Easy||||53.5%|
-|1652|Defuse the Bomb|[Go]({{< relref "/ChapterFour/1652.Defuse-the-Bomb.md" >}})|Easy||||63.6%|
-|1656|Design an Ordered Stream|[Go]({{< relref "/ChapterFour/1656.Design-an-Ordered-Stream.md" >}})|Easy||||82.0%|
-|1672|Richest Customer Wealth|[Go]({{< relref "/ChapterFour/1672.Richest-Customer-Wealth.md" >}})|Easy||||88.5%|
+|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.4%|
+|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.9%|
+|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0001~0099/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.3%|
+|0015|3Sum|[Go]({{< relref "/ChapterFour/0001~0099/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.9%|
+|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0001~0099/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
+|0018|4Sum|[Go]({{< relref "/ChapterFour/0001~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.8%|
+|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.5%|
+|0027|Remove Element|[Go]({{< relref "/ChapterFour/0001~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.2%|
+|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.8%|
+|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.2%|
+|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0001~0099/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
+|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0001~0099/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||59.0%|
+|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0001~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||50.0%|
+|0041|First Missing Positive|[Go]({{< relref "/ChapterFour/0001~0099/0041.First-Missing-Positive.md" >}})|Hard| O(n)| O(n)||33.6%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|51.0%|
+|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0001~0099/0048.Rotate-Image.md" >}})|Medium| O(n)| O(1)||59.7%|
+|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0001~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.7%|
+|0054|Spiral Matrix|[Go]({{< relref "/ChapterFour/0001~0099/0054.Spiral-Matrix.md" >}})|Medium| O(n)| O(n^2)||35.8%|
+|0055|Jump Game|[Go]({{< relref "/ChapterFour/0001~0099/0055.Jump-Game.md" >}})|Medium||||35.1%|
+|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0001~0099/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(1)||40.9%|
+|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0001~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||35.0%|
+|0059|Spiral Matrix II|[Go]({{< relref "/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md" >}})|Medium| O(n)| O(n^2)||57.6%|
+|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.8%|
+|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0001~0099/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
+|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.1%|
+|0066|Plus One|[Go]({{< relref "/ChapterFour/0001~0099/0066.Plus-One.md" >}})|Easy||||42.4%|
+|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.6%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.2%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.8%|
+|0079|Word Search|[Go]({{< relref "/ChapterFour/0001~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.7%|
+|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||46.0%|
+|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
+|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|37.0%|
+|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.7%|
+|0090|Subsets II|[Go]({{< relref "/ChapterFour/0001~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.7%|
+|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.5%|
+|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.4%|
+|0118|Pascal's Triangle|[Go]({{< relref "/ChapterFour/0100~0199/0118.Pascals-Triangle.md" >}})|Easy||||54.6%|
+|0120|Triangle|[Go]({{< relref "/ChapterFour/0100~0199/0120.Triangle.md" >}})|Medium| O(n^2)| O(n)||45.6%|
+|0121|Best Time to Buy and Sell Stock|[Go]({{< relref "/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md" >}})|Easy| O(n)| O(1)||51.5%|
+|0122|Best Time to Buy and Sell Stock II|[Go]({{< relref "/ChapterFour/0100~0199/0122.Best-Time-to-Buy-and-Sell-Stock-II.md" >}})|Easy| O(n)| O(1)||58.4%|
+|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.6%|
+|0128|Longest Consecutive Sequence|[Go]({{< relref "/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md" >}})|Hard||||46.2%|
+|0152|Maximum Product Subarray|[Go]({{< relref "/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md" >}})|Medium| O(n)| O(1)||32.7%|
+|0153|Find Minimum in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md" >}})|Medium||||46.0%|
+|0154|Find Minimum in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md" >}})|Hard||||42.0%|
+|0162|Find Peak Element|[Go]({{< relref "/ChapterFour/0100~0199/0162.Find-Peak-Element.md" >}})|Medium||||43.9%|
+|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.5%|
+|0169|Majority Element|[Go]({{< relref "/ChapterFour/0100~0199/0169.Majority-Element.md" >}})|Easy||||60.0%|
+|0189|Rotate Array|[Go]({{< relref "/ChapterFour/0100~0199/0189.Rotate-Array.md" >}})|Medium||||36.5%|
+|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.3%|
+|0216|Combination Sum III|[Go]({{< relref "/ChapterFour/0200~0299/0216.Combination-Sum-III.md" >}})|Medium| O(n)| O(1)|❤️|60.1%|
+|0217|Contains Duplicate|[Go]({{< relref "/ChapterFour/0200~0299/0217.Contains-Duplicate.md" >}})|Easy| O(n)| O(n)||56.6%|
+|0219|Contains Duplicate II|[Go]({{< relref "/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md" >}})|Easy| O(n)| O(n)||38.6%|
+|0228|Summary Ranges|[Go]({{< relref "/ChapterFour/0200~0299/0228.Summary-Ranges.md" >}})|Easy||||42.3%|
+|0229|Majority Element II|[Go]({{< relref "/ChapterFour/0200~0299/0229.Majority-Element-II.md" >}})|Medium||||38.7%|
+|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy||||53.7%|
+|0283|Move Zeroes|[Go]({{< relref "/ChapterFour/0200~0299/0283.Move-Zeroes.md" >}})|Easy| O(n)| O(1)||58.5%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.4%|
+|0414|Third Maximum Number|[Go]({{< relref "/ChapterFour/0400~0499/0414.Third-Maximum-Number.md" >}})|Easy||||30.7%|
+|0448|Find All Numbers Disappeared in an Array|[Go]({{< relref "/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md" >}})|Easy||||56.1%|
+|0457|Circular Array Loop|[Go]({{< relref "/ChapterFour/0400~0499/0457.Circular-Array-Loop.md" >}})|Medium||||30.0%|
+|0485|Max Consecutive Ones|[Go]({{< relref "/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md" >}})|Easy||||53.1%|
+|0509|Fibonacci Number|[Go]({{< relref "/ChapterFour/0500~0599/0509.Fibonacci-Number.md" >}})|Easy||||67.4%|
+|0532|K-diff Pairs in an Array|[Go]({{< relref "/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md" >}})|Medium| O(n)| O(n)||35.1%|
+|0561|Array Partition I|[Go]({{< relref "/ChapterFour/0500~0599/0561.Array-Partition-I.md" >}})|Easy||||73.1%|
+|0566|Reshape the Matrix|[Go]({{< relref "/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md" >}})|Easy| O(n^2)| O(n^2)||61.0%|
+|0605|Can Place Flowers|[Go]({{< relref "/ChapterFour/0600~0699/0605.Can-Place-Flowers.md" >}})|Easy||||31.8%|
+|0628|Maximum Product of Three Numbers|[Go]({{< relref "/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md" >}})|Easy| O(n)| O(1)||46.9%|
+|0661|Image Smoother|[Go]({{< relref "/ChapterFour/0600~0699/0661.Image-Smoother.md" >}})|Easy||||52.2%|
+|0674|Longest Continuous Increasing Subsequence|[Go]({{< relref "/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md" >}})|Easy||||46.1%|
+|0695|Max Area of Island|[Go]({{< relref "/ChapterFour/0600~0699/0695.Max-Area-of-Island.md" >}})|Medium||||64.6%|
+|0697|Degree of an Array|[Go]({{< relref "/ChapterFour/0600~0699/0697.Degree-of-an-Array.md" >}})|Easy||||54.4%|
+|0713|Subarray Product Less Than K|[Go]({{< relref "/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md" >}})|Medium| O(n)| O(1)||40.5%|
+|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go]({{< relref "/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md" >}})|Medium| O(n)| O(1)||56.0%|
+|0717|1-bit and 2-bit Characters|[Go]({{< relref "/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md" >}})|Easy||||47.4%|
+|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.3%|
+|0719|Find K-th Smallest Pair Distance|[Go]({{< relref "/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md" >}})|Hard||||32.5%|
+|0724|Find Pivot Index|[Go]({{< relref "/ChapterFour/0700~0799/0724.Find-Pivot-Index.md" >}})|Easy||||45.2%|
+|0729|My Calendar I|[Go]({{< relref "/ChapterFour/0700~0799/0729.My-Calendar-I.md" >}})|Medium||||53.2%|
+|0746|Min Cost Climbing Stairs|[Go]({{< relref "/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md" >}})|Easy| O(n)| O(1)||50.9%|
+|0766|Toeplitz Matrix|[Go]({{< relref "/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md" >}})|Easy| O(n)| O(1)||65.8%|
+|0830|Positions of Large Groups|[Go]({{< relref "/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md" >}})|Easy||||50.3%|
+|0832|Flipping an Image|[Go]({{< relref "/ChapterFour/0800~0899/0832.Flipping-an-Image.md" >}})|Easy||||78.1%|
+|0867|Transpose Matrix|[Go]({{< relref "/ChapterFour/0800~0899/0867.Transpose-Matrix.md" >}})|Easy| O(n)| O(1)||62.1%|
+|0888|Fair Candy Swap|[Go]({{< relref "/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md" >}})|Easy||||58.9%|
+|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||32.9%|
+|0896|Monotonic Array|[Go]({{< relref "/ChapterFour/0800~0899/0896.Monotonic-Array.md" >}})|Easy||||58.0%|
+|0907|Sum of Subarray Minimums|[Go]({{< relref "/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md" >}})|Medium| O(n)| O(n)|❤️|33.1%|
+|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||34.3%|
+|0918|Maximum Sum Circular Subarray|[Go]({{< relref "/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md" >}})|Medium||||34.1%|
+|0922|Sort Array By Parity II|[Go]({{< relref "/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md" >}})|Easy| O(n)| O(1)||70.5%|
+|0969|Pancake Sorting|[Go]({{< relref "/ChapterFour/0900~0999/0969.Pancake-Sorting.md" >}})|Medium| O(n)| O(1)|❤️|68.6%|
+|0977|Squares of a Sorted Array|[Go]({{< relref "/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md" >}})|Easy| O(n)| O(1)||72.2%|
+|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md" >}})|Medium||||46.6%|
+|0985|Sum of Even Numbers After Queries|[Go]({{< relref "/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md" >}})|Easy||||60.7%|
+|0989|Add to Array-Form of Integer|[Go]({{< relref "/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md" >}})|Easy||||44.8%|
+|0999|Available Captures for Rook|[Go]({{< relref "/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md" >}})|Easy||||67.7%|
+|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.5%|
+|1011|Capacity To Ship Packages Within D Days|[Go]({{< relref "/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})|Medium||||59.7%|
+|1018|Binary Prefix Divisible By 5|[Go]({{< relref "/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md" >}})|Easy||||47.8%|
+|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium||||54.1%|
+|1051|Height Checker|[Go]({{< relref "/ChapterFour/1000~1099/1051.Height-Checker.md" >}})|Easy||||72.2%|
+|1052|Grumpy Bookstore Owner|[Go]({{< relref "/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md" >}})|Medium||||55.8%|
+|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard||||61.7%|
+|1089|Duplicate Zeros|[Go]({{< relref "/ChapterFour/1000~1099/1089.Duplicate-Zeros.md" >}})|Easy||||52.0%|
+|1122|Relative Sort Array|[Go]({{< relref "/ChapterFour/1100~1199/1122.Relative-Sort-Array.md" >}})|Easy||||68.1%|
+|1128|Number of Equivalent Domino Pairs|[Go]({{< relref "/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md" >}})|Easy||||46.6%|
+|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard||||39.6%|
+|1160|Find Words That Can Be Formed by Characters|[Go]({{< relref "/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters.md" >}})|Easy||||67.9%|
+|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
+|1184|Distance Between Bus Stops|[Go]({{< relref "/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md" >}})|Easy||||54.1%|
+|1185|Day of the Week|[Go]({{< relref "/ChapterFour/1100~1199/1185.Day-of-the-Week.md" >}})|Easy||||61.7%|
+|1200|Minimum Absolute Difference|[Go]({{< relref "/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md" >}})|Easy||||66.9%|
+|1202|Smallest String With Swaps|[Go]({{< relref "/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md" >}})|Medium||||48.6%|
+|1208|Get Equal Substrings Within Budget|[Go]({{< relref "/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md" >}})|Medium||||43.8%|
+|1217|Minimum Cost to Move Chips to The Same Position|[Go]({{< relref "/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})|Easy||||71.2%|
+|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||43.7%|
+|1252|Cells with Odd Values in a Matrix|[Go]({{< relref "/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md" >}})|Easy||||78.8%|
+|1260|Shift 2D Grid|[Go]({{< relref "/ChapterFour/1200~1299/1260.Shift-2D-Grid.md" >}})|Easy||||61.8%|
+|1266|Minimum Time Visiting All Points|[Go]({{< relref "/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md" >}})|Easy||||79.5%|
+|1275|Find Winner on a Tic Tac Toe Game|[Go]({{< relref "/ChapterFour/1200~1299/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md" >}})|Easy||||52.9%|
+|1287|Element Appearing More Than 25% In Sorted Array|[Go]({{< relref "/ChapterFour/1200~1299/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md" >}})|Easy||||60.2%|
+|1295|Find Numbers with Even Number of Digits|[Go]({{< relref "/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md" >}})|Easy||||79.2%|
+|1299|Replace Elements with Greatest Element on Right Side|[Go]({{< relref "/ChapterFour/1200~1299/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md" >}})|Easy||||74.5%|
+|1300|Sum of Mutated Array Closest to Target|[Go]({{< relref "/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md" >}})|Medium||||43.1%|
+|1304|Find N Unique Integers Sum up to Zero|[Go]({{< relref "/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md" >}})|Easy||||76.9%|
+|1313|Decompress Run-Length Encoded List|[Go]({{< relref "/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md" >}})|Easy||||85.4%|
+|1329|Sort the Matrix Diagonally|[Go]({{< relref "/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md" >}})|Medium||||81.8%|
+|1380|Lucky Numbers in a Matrix|[Go]({{< relref "/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md" >}})|Easy||||70.8%|
+|1385|Find the Distance Value Between Two Arrays|[Go]({{< relref "/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md" >}})|Easy||||66.4%|
+|1389|Create Target Array in the Given Order|[Go]({{< relref "/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md" >}})|Easy||||84.8%|
+|1437|Check If All 1's Are at Least Length K Places Away|[Go]({{< relref "/ChapterFour/1400~1499/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md" >}})|Easy||||62.8%|
+|1464|Maximum Product of Two Elements in an Array|[Go]({{< relref "/ChapterFour/1400~1499/1464.Maximum-Product-of-Two-Elements-in-an-Array.md" >}})|Easy||||77.2%|
+|1470|Shuffle the Array|[Go]({{< relref "/ChapterFour/1400~1499/1470.Shuffle-the-Array.md" >}})|Easy||||88.4%|
+|1480|Running Sum of 1d Array|[Go]({{< relref "/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md" >}})|Easy||||89.3%|
+|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
+|1539|Kth Missing Positive Number|[Go]({{< relref "/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md" >}})|Easy||||55.1%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.2%|
+|1646|Get Maximum in Generated Array|[Go]({{< relref "/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md" >}})|Easy||||53.5%|
+|1652|Defuse the Bomb|[Go]({{< relref "/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md" >}})|Easy||||63.2%|
+|1656|Design an Ordered Stream|[Go]({{< relref "/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md" >}})|Easy||||82.2%|
+|1672|Richest Customer Wealth|[Go]({{< relref "/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md" >}})|Easy||||88.4%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Backtracking.md b/website/content/ChapterTwo/Backtracking.md
index dbff7d8c..5661216a 100644
--- a/website/content/ChapterTwo/Backtracking.md
+++ b/website/content/ChapterTwo/Backtracking.md
@@ -1,6 +1,7 @@
 ---
-title: Backtracking
+title: 2.08 ✅ Backtracking
 type: docs
+weight: 8
 ---
 
 # Backtracking
@@ -99,45 +100,44 @@ func updateMatrix_BFS(matrix [][]int) [][]int {
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.8%|
-|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||64.9%|
-|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
-|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
-|0046|Permutations|[Go]({{< relref "/ChapterFour/0046.Permutations.md" >}})|Medium| O(n)| O(n)|❤️|66.2%|
-|0047|Permutations II|[Go]({{< relref "/ChapterFour/0047.Permutations-II.md" >}})|Medium| O(n^2)| O(n)|❤️|49.1%|
-|0051|N-Queens|[Go]({{< relref "/ChapterFour/0051.N-Queens.md" >}})|Hard| O(n!)| O(n)|❤️|49.2%|
-|0052|N-Queens II|[Go]({{< relref "/ChapterFour/0052.N-Queens-II.md" >}})|Hard| O(n!)| O(n)|❤️|59.8%|
-|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.2%|
-|0077|Combinations|[Go]({{< relref "/ChapterFour/0077.Combinations.md" >}})|Medium| O(n)| O(n)|❤️|57.1%|
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.6%|
-|0079|Word Search|[Go]({{< relref "/ChapterFour/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
-|0089|Gray Code|[Go]({{< relref "/ChapterFour/0089.Gray-Code.md" >}})|Medium| O(n)| O(1)||50.1%|
-|0090|Subsets II|[Go]({{< relref "/ChapterFour/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
-|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
-|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
-|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0131.Palindrome-Partitioning.md" >}})|Medium| O(n)| O(n^2)|❤️|51.5%|
-|0211|Design Add and Search Words Data Structure|[Go]({{< relref "/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md" >}})|Medium| O(n)| O(n)|❤️|39.9%|
-|0212|Word Search II|[Go]({{< relref "/ChapterFour/0212.Word-Search-II.md" >}})|Hard| O(n^2)| O(n^2)|❤️|36.7%|
-|0216|Combination Sum III|[Go]({{< relref "/ChapterFour/0216.Combination-Sum-III.md" >}})|Medium| O(n)| O(1)|❤️|60.0%|
-|0306|Additive Number|[Go]({{< relref "/ChapterFour/0306.Additive-Number.md" >}})|Medium| O(n^2)| O(1)|❤️|29.6%|
-|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
-|0401|Binary Watch|[Go]({{< relref "/ChapterFour/0401.Binary-Watch.md" >}})|Easy| O(1)| O(1)||48.3%|
-|0526|Beautiful Arrangement|[Go]({{< relref "/ChapterFour/0526.Beautiful-Arrangement.md" >}})|Medium| O(n^2)| O(1)|❤️|61.7%|
-|0784|Letter Case Permutation|[Go]({{< relref "/ChapterFour/0784.Letter-Case-Permutation.md" >}})|Medium| O(n)| O(n)||66.3%|
-|0842|Split Array into Fibonacci Sequence|[Go]({{< relref "/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md" >}})|Medium| O(n^2)| O(1)|❤️|36.7%|
-|0980|Unique Paths III|[Go]({{< relref "/ChapterFour/0980.Unique-Paths-III.md" >}})|Hard| O(n log n)| O(n)||77.2%|
-|0996|Number of Squareful Arrays|[Go]({{< relref "/ChapterFour/0996.Number-of-Squareful-Arrays.md" >}})|Hard| O(n log n)| O(n) ||48.0%|
-|1079|Letter Tile Possibilities|[Go]({{< relref "/ChapterFour/1079.Letter-Tile-Possibilities.md" >}})|Medium| O(n^2)| O(1)|❤️|75.8%|
-|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.3%|
-|1655|Distribute Repeating Integers|[Go]({{< relref "/ChapterFour/1655.Distribute-Repeating-Integers.md" >}})|Hard||||40.5%|
-|1659|Maximize Grid Happiness|[Go]({{< relref "/ChapterFour/1659.Maximize-Grid-Happiness.md" >}})|Hard||||35.3%|
-|1681|Minimum Incompatibility|[Go]({{< relref "/ChapterFour/1681.Minimum-Incompatibility.md" >}})|Hard||||35.2%|
-|1688|Count of Matches in Tournament|[Go]({{< relref "/ChapterFour/1688.Count-of-Matches-in-Tournament.md" >}})|Easy||||83.0%|
+|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.9%|
+|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0001~0099/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||65.1%|
+|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0001~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.3%|
+|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0001~0099/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||59.0%|
+|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0001~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||50.0%|
+|0046|Permutations|[Go]({{< relref "/ChapterFour/0001~0099/0046.Permutations.md" >}})|Medium| O(n)| O(n)|❤️|66.4%|
+|0047|Permutations II|[Go]({{< relref "/ChapterFour/0001~0099/0047.Permutations-II.md" >}})|Medium| O(n^2)| O(n)|❤️|49.2%|
+|0051|N-Queens|[Go]({{< relref "/ChapterFour/0001~0099/0051.N-Queens.md" >}})|Hard| O(n!)| O(n)|❤️|49.4%|
+|0052|N-Queens II|[Go]({{< relref "/ChapterFour/0001~0099/0052.N-Queens-II.md" >}})|Hard| O(n!)| O(n)|❤️|59.9%|
+|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0001~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.3%|
+|0077|Combinations|[Go]({{< relref "/ChapterFour/0001~0099/0077.Combinations.md" >}})|Medium| O(n)| O(n)|❤️|57.2%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.8%|
+|0079|Word Search|[Go]({{< relref "/ChapterFour/0001~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.7%|
+|0089|Gray Code|[Go]({{< relref "/ChapterFour/0001~0099/0089.Gray-Code.md" >}})|Medium| O(n)| O(1)||50.3%|
+|0090|Subsets II|[Go]({{< relref "/ChapterFour/0001~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.7%|
+|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.4%|
+|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.6%|
+|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md" >}})|Medium| O(n)| O(n^2)|❤️|51.7%|
+|0211|Design Add and Search Words Data Structure|[Go]({{< relref "/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md" >}})|Medium| O(n)| O(n)|❤️|40.0%|
+|0212|Word Search II|[Go]({{< relref "/ChapterFour/0200~0299/0212.Word-Search-II.md" >}})|Hard| O(n^2)| O(n^2)|❤️|36.8%|
+|0216|Combination Sum III|[Go]({{< relref "/ChapterFour/0200~0299/0216.Combination-Sum-III.md" >}})|Medium| O(n)| O(1)|❤️|60.1%|
+|0306|Additive Number|[Go]({{< relref "/ChapterFour/0300~0399/0306.Additive-Number.md" >}})|Medium| O(n^2)| O(1)|❤️|29.6%|
+|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
+|0401|Binary Watch|[Go]({{< relref "/ChapterFour/0400~0499/0401.Binary-Watch.md" >}})|Easy| O(1)| O(1)||48.4%|
+|0526|Beautiful Arrangement|[Go]({{< relref "/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md" >}})|Medium| O(n^2)| O(1)|❤️|61.8%|
+|0784|Letter Case Permutation|[Go]({{< relref "/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md" >}})|Medium| O(n)| O(n)||66.4%|
+|0842|Split Array into Fibonacci Sequence|[Go]({{< relref "/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md" >}})|Medium| O(n^2)| O(1)|❤️|36.8%|
+|0980|Unique Paths III|[Go]({{< relref "/ChapterFour/0900~0999/0980.Unique-Paths-III.md" >}})|Hard| O(n log n)| O(n)||77.1%|
+|0996|Number of Squareful Arrays|[Go]({{< relref "/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md" >}})|Hard| O(n log n)| O(n) ||48.3%|
+|1079|Letter Tile Possibilities|[Go]({{< relref "/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md" >}})|Medium| O(n^2)| O(1)|❤️|75.9%|
+|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.0%|
+|1655|Distribute Repeating Integers|[Go]({{< relref "/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md" >}})|Hard||||40.5%|
+|1659|Maximize Grid Happiness|[Go]({{< relref "/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md" >}})|Hard||||35.5%|
+|1681|Minimum Incompatibility|[Go]({{< relref "/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md" >}})|Hard||||35.3%|
+|1688|Count of Matches in Tournament|[Go]({{< relref "/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md" >}})|Easy||||82.7%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
-
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Dynamic_Programming/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Binary_Indexed_Tree.md b/website/content/ChapterTwo/Binary_Indexed_Tree.md
index d4924cda..8efd714c 100644
--- a/website/content/ChapterTwo/Binary_Indexed_Tree.md
+++ b/website/content/ChapterTwo/Binary_Indexed_Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Binary Indexed Tree
+title: 2.19 ✅ Binary Indexed Tree
 type: docs
+weight: 19
 ---
 
 # Binary Indexed Tree
@@ -9,15 +10,17 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0218|The Skyline Problem|[Go]({{< relref "/ChapterFour/0218.The-Skyline-Problem.md" >}})|Hard||||36.2%|
-|0307|Range Sum Query - Mutable|[Go]({{< relref "/ChapterFour/0307.Range-Sum-Query---Mutable.md" >}})|Medium||||36.6%|
-|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
-|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0327.Count-of-Range-Sum.md" >}})|Hard||||35.9%|
-|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0493.Reverse-Pairs.md" >}})|Hard||||26.6%|
-|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.2%|
+|0218|The Skyline Problem|[Go]({{< relref "/ChapterFour/0200~0299/0218.The-Skyline-Problem.md" >}})|Hard||||36.2%|
+|0307|Range Sum Query - Mutable|[Go]({{< relref "/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md" >}})|Medium||||36.6%|
+|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
+|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md" >}})|Hard||||36.0%|
+|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0400~0499/0493.Reverse-Pairs.md" >}})|Hard||||26.7%|
+|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.3%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
+
+
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Segment_Tree/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Binary_Search.md b/website/content/ChapterTwo/Binary_Search.md
index fdae59a1..97a6fedf 100644
--- a/website/content/ChapterTwo/Binary_Search.md
+++ b/website/content/ChapterTwo/Binary_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Binary Search
+title: 2.11 Binary Search
 type: docs
+weight: 11
 ---
 
 # Binary Search
@@ -130,72 +131,72 @@ func peakIndexInMountainArray(A []int) int {
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.8%|
-|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
-|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.7%|
-|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.1%|
-|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
-|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.8%|
-|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
-|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.5%|
-|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
-|0153|Find Minimum in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md" >}})|Medium||||46.0%|
-|0154|Find Minimum in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md" >}})|Hard||||41.9%|
-|0162|Find Peak Element|[Go]({{< relref "/ChapterFour/0162.Find-Peak-Element.md" >}})|Medium||||43.9%|
-|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.4%|
-|0174|Dungeon Game|[Go]({{< relref "/ChapterFour/0174.Dungeon-Game.md" >}})|Hard||||33.2%|
-|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.2%|
-|0222|Count Complete Tree Nodes|[Go]({{< relref "/ChapterFour/0222.Count-Complete-Tree-Nodes.md" >}})|Medium| O(n)| O(1)||48.9%|
-|0230|Kth Smallest Element in a BST|[Go]({{< relref "/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md" >}})|Medium| O(n)| O(1)||62.2%|
-|0240|Search a 2D Matrix II|[Go]({{< relref "/ChapterFour/0240.Search-a-2D-Matrix-II.md" >}})|Medium||||44.2%|
-|0275|H-Index II|[Go]({{< relref "/ChapterFour/0275.H-Index-II.md" >}})|Medium||||36.2%|
-|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.2%|
-|0300|Longest Increasing Subsequence|[Go]({{< relref "/ChapterFour/0300.Longest-Increasing-Subsequence.md" >}})|Medium| O(n log n)| O(n)||43.7%|
-|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
-|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0327.Count-of-Range-Sum.md" >}})|Hard||||35.9%|
-|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.5%|
-|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
-|0354|Russian Doll Envelopes|[Go]({{< relref "/ChapterFour/0354.Russian-Doll-Envelopes.md" >}})|Hard||||36.1%|
-|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0367.Valid-Perfect-Square.md" >}})|Easy||||42.0%|
-|0378|Kth Smallest Element in a Sorted Matrix|[Go]({{< relref "/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md" >}})|Medium||||55.9%|
-|0392|Is Subsequence|[Go]({{< relref "/ChapterFour/0392.Is-Subsequence.md" >}})|Easy| O(n)| O(1)||49.5%|
-|0410|Split Array Largest Sum|[Go]({{< relref "/ChapterFour/0410.Split-Array-Largest-Sum.md" >}})|Hard||||46.1%|
-|0436|Find Right Interval|[Go]({{< relref "/ChapterFour/0436.Find-Right-Interval.md" >}})|Medium||||48.4%|
-|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0441.Arranging-Coins.md" >}})|Easy||||42.3%|
-|0454|4Sum II|[Go]({{< relref "/ChapterFour/0454.4Sum-II.md" >}})|Medium| O(n^2)| O(n) ||54.5%|
-|0475|Heaters|[Go]({{< relref "/ChapterFour/0475.Heaters.md" >}})|Medium||||33.6%|
-|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0483.Smallest-Good-Base.md" >}})|Hard||||36.2%|
-|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0493.Reverse-Pairs.md" >}})|Hard||||26.6%|
-|0497|Random Point in Non-overlapping Rectangles|[Go]({{< relref "/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles.md" >}})|Medium||||39.1%|
-|0528|Random Pick with Weight|[Go]({{< relref "/ChapterFour/0528.Random-Pick-with-Weight.md" >}})|Medium||||44.5%|
-|0658|Find K Closest Elements|[Go]({{< relref "/ChapterFour/0658.Find-K-Closest-Elements.md" >}})|Medium||||41.8%|
-|0668|Kth Smallest Number in Multiplication Table|[Go]({{< relref "/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table.md" >}})|Hard||||47.7%|
-|0704|Binary Search|[Go]({{< relref "/ChapterFour/0704.Binary-Search.md" >}})|Easy||||54.0%|
-|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.6%|
-|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.2%|
-|0719|Find K-th Smallest Pair Distance|[Go]({{< relref "/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md" >}})|Hard||||32.5%|
-|0744|Find Smallest Letter Greater Than Target|[Go]({{< relref "/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target.md" >}})|Easy||||45.6%|
-|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0778.Swim-in-Rising-Water.md" >}})|Hard||||54.5%|
-|0786|K-th Smallest Prime Fraction|[Go]({{< relref "/ChapterFour/0786.K-th-Smallest-Prime-Fraction.md" >}})|Hard||||41.9%|
-|0793|Preimage Size of Factorial Zeroes Function|[Go]({{< relref "/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function.md" >}})|Hard||||40.7%|
-|0852|Peak Index in a Mountain Array|[Go]({{< relref "/ChapterFour/0852.Peak-Index-in-a-Mountain-Array.md" >}})|Easy||||71.8%|
-|0862|Shortest Subarray with Sum at Least K|[Go]({{< relref "/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K.md" >}})|Hard||||25.2%|
-|0875|Koko Eating Bananas|[Go]({{< relref "/ChapterFour/0875.Koko-Eating-Bananas.md" >}})|Medium||||53.4%|
-|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0878.Nth-Magical-Number.md" >}})|Hard||||28.9%|
-|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
-|0911|Online Election|[Go]({{< relref "/ChapterFour/0911.Online-Election.md" >}})|Medium||||51.2%|
-|0927|Three Equal Parts|[Go]({{< relref "/ChapterFour/0927.Three-Equal-Parts.md" >}})|Hard||||34.5%|
-|0981|Time Based Key-Value Store|[Go]({{< relref "/ChapterFour/0981.Time-Based-Key-Value-Store.md" >}})|Medium||||54.0%|
-|1011|Capacity To Ship Packages Within D Days|[Go]({{< relref "/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})|Medium||||59.6%|
-|1111|Maximum Nesting Depth of Two Valid Parentheses Strings|[Go]({{< relref "/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md" >}})|Medium||||72.5%|
-|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard||||39.6%|
-|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
-|1201|Ugly Number III|[Go]({{< relref "/ChapterFour/1201.Ugly-Number-III.md" >}})|Medium||||26.4%|
-|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.0%|
-|1283|Find the Smallest Divisor Given a Threshold|[Go]({{< relref "/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md" >}})|Medium||||49.3%|
-|1300|Sum of Mutated Array Closest to Target|[Go]({{< relref "/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md" >}})|Medium||||43.2%|
-|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.2%|
-|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
+|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.9%|
+|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0001~0099/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
+|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.8%|
+|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.2%|
+|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0001~0099/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
+|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0001~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.9%|
+|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||35.0%|
+|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.6%|
+|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
+|0153|Find Minimum in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md" >}})|Medium||||46.0%|
+|0154|Find Minimum in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md" >}})|Hard||||42.0%|
+|0162|Find Peak Element|[Go]({{< relref "/ChapterFour/0100~0199/0162.Find-Peak-Element.md" >}})|Medium||||43.9%|
+|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.5%|
+|0174|Dungeon Game|[Go]({{< relref "/ChapterFour/0100~0199/0174.Dungeon-Game.md" >}})|Hard||||33.2%|
+|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.3%|
+|0222|Count Complete Tree Nodes|[Go]({{< relref "/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md" >}})|Medium| O(n)| O(1)||49.1%|
+|0230|Kth Smallest Element in a BST|[Go]({{< relref "/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md" >}})|Medium| O(n)| O(1)||62.4%|
+|0240|Search a 2D Matrix II|[Go]({{< relref "/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md" >}})|Medium||||44.4%|
+|0275|H-Index II|[Go]({{< relref "/ChapterFour/0200~0299/0275.H-Index-II.md" >}})|Medium||||36.2%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.4%|
+|0300|Longest Increasing Subsequence|[Go]({{< relref "/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md" >}})|Medium| O(n log n)| O(n)||43.9%|
+|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
+|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md" >}})|Hard||||36.0%|
+|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.6%|
+|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
+|0354|Russian Doll Envelopes|[Go]({{< relref "/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md" >}})|Hard||||36.2%|
+|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md" >}})|Easy||||42.0%|
+|0378|Kth Smallest Element in a Sorted Matrix|[Go]({{< relref "/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md" >}})|Medium||||56.0%|
+|0392|Is Subsequence|[Go]({{< relref "/ChapterFour/0300~0399/0392.Is-Subsequence.md" >}})|Easy| O(n)| O(1)||49.5%|
+|0410|Split Array Largest Sum|[Go]({{< relref "/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md" >}})|Hard||||46.2%|
+|0436|Find Right Interval|[Go]({{< relref "/ChapterFour/0400~0499/0436.Find-Right-Interval.md" >}})|Medium||||48.5%|
+|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0400~0499/0441.Arranging-Coins.md" >}})|Easy||||42.3%|
+|0454|4Sum II|[Go]({{< relref "/ChapterFour/0400~0499/0454.4Sum-II.md" >}})|Medium| O(n^2)| O(n) ||54.6%|
+|0475|Heaters|[Go]({{< relref "/ChapterFour/0400~0499/0475.Heaters.md" >}})|Medium||||33.6%|
+|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0400~0499/0483.Smallest-Good-Base.md" >}})|Hard||||36.2%|
+|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0400~0499/0493.Reverse-Pairs.md" >}})|Hard||||26.7%|
+|0497|Random Point in Non-overlapping Rectangles|[Go]({{< relref "/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md" >}})|Medium||||39.1%|
+|0528|Random Pick with Weight|[Go]({{< relref "/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md" >}})|Medium||||44.6%|
+|0658|Find K Closest Elements|[Go]({{< relref "/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md" >}})|Medium||||41.9%|
+|0668|Kth Smallest Number in Multiplication Table|[Go]({{< relref "/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md" >}})|Hard||||47.7%|
+|0704|Binary Search|[Go]({{< relref "/ChapterFour/0700~0799/0704.Binary-Search.md" >}})|Easy||||54.0%|
+|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.7%|
+|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.3%|
+|0719|Find K-th Smallest Pair Distance|[Go]({{< relref "/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md" >}})|Hard||||32.5%|
+|0744|Find Smallest Letter Greater Than Target|[Go]({{< relref "/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md" >}})|Easy||||45.6%|
+|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md" >}})|Hard||||54.8%|
+|0786|K-th Smallest Prime Fraction|[Go]({{< relref "/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md" >}})|Hard||||42.2%|
+|0793|Preimage Size of Factorial Zeroes Function|[Go]({{< relref "/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md" >}})|Hard||||40.7%|
+|0852|Peak Index in a Mountain Array|[Go]({{< relref "/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md" >}})|Easy||||71.7%|
+|0862|Shortest Subarray with Sum at Least K|[Go]({{< relref "/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md" >}})|Hard||||25.2%|
+|0875|Koko Eating Bananas|[Go]({{< relref "/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md" >}})|Medium||||53.4%|
+|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0800~0899/0878.Nth-Magical-Number.md" >}})|Hard||||28.9%|
+|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0800~0899/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
+|0911|Online Election|[Go]({{< relref "/ChapterFour/0900~0999/0911.Online-Election.md" >}})|Medium||||51.2%|
+|0927|Three Equal Parts|[Go]({{< relref "/ChapterFour/0900~0999/0927.Three-Equal-Parts.md" >}})|Hard||||34.6%|
+|0981|Time Based Key-Value Store|[Go]({{< relref "/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md" >}})|Medium||||54.1%|
+|1011|Capacity To Ship Packages Within D Days|[Go]({{< relref "/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})|Medium||||59.7%|
+|1111|Maximum Nesting Depth of Two Valid Parentheses Strings|[Go]({{< relref "/ChapterFour/1100~1199/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md" >}})|Medium||||72.7%|
+|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard||||39.6%|
+|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
+|1201|Ugly Number III|[Go]({{< relref "/ChapterFour/1200~1299/1201.Ugly-Number-III.md" >}})|Medium||||26.4%|
+|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.3%|
+|1283|Find the Smallest Divisor Given a Threshold|[Go]({{< relref "/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md" >}})|Medium||||49.4%|
+|1300|Sum of Mutated Array Closest to Target|[Go]({{< relref "/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md" >}})|Medium||||43.1%|
+|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.3%|
+|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Bit_Manipulation.md b/website/content/ChapterTwo/Bit_Manipulation.md
index 19453cc0..f54c8920 100644
--- a/website/content/ChapterTwo/Bit_Manipulation.md
+++ b/website/content/ChapterTwo/Bit_Manipulation.md
@@ -1,6 +1,7 @@
 ---
-title: Bit Manipulation
+title: 2.15 ✅ Bit Manipulation
 type: docs
+weight: 15
 ---
 
 # Bit Manipulation
@@ -43,39 +44,41 @@ X & ~X = 0
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.6%|
-|0136|Single Number|[Go]({{< relref "/ChapterFour/0136.Single-Number.md" >}})|Easy| O(n)| O(1)||66.4%|
-|0137|Single Number II|[Go]({{< relref "/ChapterFour/0137.Single-Number-II.md" >}})|Medium| O(n)| O(1)|❤️|53.6%|
-|0169|Majority Element|[Go]({{< relref "/ChapterFour/0169.Majority-Element.md" >}})|Easy| O(n)| O(1)|❤️|59.9%|
-|0187|Repeated DNA Sequences|[Go]({{< relref "/ChapterFour/0187.Repeated-DNA-Sequences.md" >}})|Medium| O(n)| O(1)||41.3%|
-|0190|Reverse Bits|[Go]({{< relref "/ChapterFour/0190.Reverse-Bits.md" >}})|Easy| O(n)| O(1)|❤️|41.7%|
-|0191|Number of 1 Bits|[Go]({{< relref "/ChapterFour/0191.Number-of-1-Bits.md" >}})|Easy| O(n)| O(1)||52.0%|
-|0201|Bitwise AND of Numbers Range|[Go]({{< relref "/ChapterFour/0201.Bitwise-AND-of-Numbers-Range.md" >}})|Medium| O(n)| O(1)|❤️|39.6%|
-|0231|Power of Two|[Go]({{< relref "/ChapterFour/0231.Power-of-Two.md" >}})|Easy| O(1)| O(1)||43.8%|
-|0260|Single Number III|[Go]({{< relref "/ChapterFour/0260.Single-Number-III.md" >}})|Medium| O(n)| O(1)|❤️|65.3%|
-|0268|Missing Number|[Go]({{< relref "/ChapterFour/0268.Missing-Number.md" >}})|Easy| O(n)| O(1)||53.5%|
-|0318|Maximum Product of Word Lengths|[Go]({{< relref "/ChapterFour/0318.Maximum-Product-of-Word-Lengths.md" >}})|Medium| O(n)| O(1)||52.1%|
-|0338|Counting Bits|[Go]({{< relref "/ChapterFour/0338.Counting-Bits.md" >}})|Medium| O(n)| O(n)||70.3%|
-|0342|Power of Four|[Go]({{< relref "/ChapterFour/0342.Power-of-Four.md" >}})|Easy| O(n)| O(1)||41.6%|
-|0371|Sum of Two Integers|[Go]({{< relref "/ChapterFour/0371.Sum-of-Two-Integers.md" >}})|Medium| O(n)| O(1)||50.6%|
-|0389|Find the Difference|[Go]({{< relref "/ChapterFour/0389.Find-the-Difference.md" >}})|Easy| O(n)| O(1)||57.7%|
-|0393|UTF-8 Validation|[Go]({{< relref "/ChapterFour/0393.UTF-8-Validation.md" >}})|Medium| O(n)| O(1)||38.0%|
-|0397|Integer Replacement|[Go]({{< relref "/ChapterFour/0397.Integer-Replacement.md" >}})|Medium| O(n)| O(1)||33.4%|
-|0401|Binary Watch|[Go]({{< relref "/ChapterFour/0401.Binary-Watch.md" >}})|Easy| O(1)| O(1)||48.3%|
-|0405|Convert a Number to Hexadecimal|[Go]({{< relref "/ChapterFour/0405.Convert-a-Number-to-Hexadecimal.md" >}})|Easy| O(n)| O(1)||44.4%|
-|0421|Maximum XOR of Two Numbers in an Array|[Go]({{< relref "/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md" >}})|Medium| O(n)| O(1)|❤️|54.0%|
-|0461|Hamming Distance|[Go]({{< relref "/ChapterFour/0461.Hamming-Distance.md" >}})|Easy| O(n)| O(1)||73.1%|
-|0476|Number Complement|[Go]({{< relref "/ChapterFour/0476.Number-Complement.md" >}})|Easy| O(n)| O(1)||65.1%|
-|0477|Total Hamming Distance|[Go]({{< relref "/ChapterFour/0477.Total-Hamming-Distance.md" >}})|Medium| O(n)| O(1)||50.6%|
-|0693|Binary Number with Alternating Bits|[Go]({{< relref "/ChapterFour/0693.Binary-Number-with-Alternating-Bits.md" >}})|Easy| O(n)| O(1)|❤️|59.8%|
-|0756|Pyramid Transition Matrix|[Go]({{< relref "/ChapterFour/0756.Pyramid-Transition-Matrix.md" >}})|Medium| O(n log n)| O(n)||55.4%|
-|0762|Prime Number of Set Bits in Binary Representation|[Go]({{< relref "/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md" >}})|Easy| O(n)| O(1)||64.2%|
-|0784|Letter Case Permutation|[Go]({{< relref "/ChapterFour/0784.Letter-Case-Permutation.md" >}})|Medium| O(n)| O(1)||66.3%|
-|0898|Bitwise ORs of Subarrays|[Go]({{< relref "/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md" >}})|Medium| O(n)| O(1)||34.0%|
-|1290|Convert Binary Number in a Linked List to Integer|[Go]({{< relref "/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})|Easy||||81.7%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.8%|
+|0136|Single Number|[Go]({{< relref "/ChapterFour/0100~0199/0136.Single-Number.md" >}})|Easy| O(n)| O(1)||66.5%|
+|0137|Single Number II|[Go]({{< relref "/ChapterFour/0100~0199/0137.Single-Number-II.md" >}})|Medium| O(n)| O(1)|❤️|53.7%|
+|0169|Majority Element|[Go]({{< relref "/ChapterFour/0100~0199/0169.Majority-Element.md" >}})|Easy| O(n)| O(1)|❤️|60.0%|
+|0187|Repeated DNA Sequences|[Go]({{< relref "/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md" >}})|Medium| O(n)| O(1)||41.4%|
+|0190|Reverse Bits|[Go]({{< relref "/ChapterFour/0100~0199/0190.Reverse-Bits.md" >}})|Easy| O(n)| O(1)|❤️|41.9%|
+|0191|Number of 1 Bits|[Go]({{< relref "/ChapterFour/0100~0199/0191.Number-of-1-Bits.md" >}})|Easy| O(n)| O(1)||53.5%|
+|0201|Bitwise AND of Numbers Range|[Go]({{< relref "/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md" >}})|Medium| O(n)| O(1)|❤️|39.6%|
+|0231|Power of Two|[Go]({{< relref "/ChapterFour/0200~0299/0231.Power-of-Two.md" >}})|Easy| O(1)| O(1)||43.8%|
+|0260|Single Number III|[Go]({{< relref "/ChapterFour/0200~0299/0260.Single-Number-III.md" >}})|Medium| O(n)| O(1)|❤️|65.3%|
+|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy| O(n)| O(1)||53.7%|
+|0318|Maximum Product of Word Lengths|[Go]({{< relref "/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md" >}})|Medium| O(n)| O(1)||52.2%|
+|0338|Counting Bits|[Go]({{< relref "/ChapterFour/0300~0399/0338.Counting-Bits.md" >}})|Medium| O(n)| O(n)||70.3%|
+|0342|Power of Four|[Go]({{< relref "/ChapterFour/0300~0399/0342.Power-of-Four.md" >}})|Easy| O(n)| O(1)||41.7%|
+|0371|Sum of Two Integers|[Go]({{< relref "/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md" >}})|Medium| O(n)| O(1)||50.6%|
+|0389|Find the Difference|[Go]({{< relref "/ChapterFour/0300~0399/0389.Find-the-Difference.md" >}})|Easy| O(n)| O(1)||57.7%|
+|0393|UTF-8 Validation|[Go]({{< relref "/ChapterFour/0300~0399/0393.UTF-8-Validation.md" >}})|Medium| O(n)| O(1)||38.0%|
+|0397|Integer Replacement|[Go]({{< relref "/ChapterFour/0300~0399/0397.Integer-Replacement.md" >}})|Medium| O(n)| O(1)||33.4%|
+|0401|Binary Watch|[Go]({{< relref "/ChapterFour/0400~0499/0401.Binary-Watch.md" >}})|Easy| O(1)| O(1)||48.4%|
+|0405|Convert a Number to Hexadecimal|[Go]({{< relref "/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md" >}})|Easy| O(n)| O(1)||44.4%|
+|0421|Maximum XOR of Two Numbers in an Array|[Go]({{< relref "/ChapterFour/0400~0499/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md" >}})|Medium| O(n)| O(1)|❤️|54.0%|
+|0461|Hamming Distance|[Go]({{< relref "/ChapterFour/0400~0499/0461.Hamming-Distance.md" >}})|Easy| O(n)| O(1)||73.2%|
+|0476|Number Complement|[Go]({{< relref "/ChapterFour/0400~0499/0476.Number-Complement.md" >}})|Easy| O(n)| O(1)||65.1%|
+|0477|Total Hamming Distance|[Go]({{< relref "/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md" >}})|Medium| O(n)| O(1)||50.6%|
+|0693|Binary Number with Alternating Bits|[Go]({{< relref "/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md" >}})|Easy| O(n)| O(1)|❤️|59.8%|
+|0756|Pyramid Transition Matrix|[Go]({{< relref "/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md" >}})|Medium| O(n log n)| O(n)||55.5%|
+|0762|Prime Number of Set Bits in Binary Representation|[Go]({{< relref "/ChapterFour/0700~0799/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md" >}})|Easy| O(n)| O(1)||64.3%|
+|0784|Letter Case Permutation|[Go]({{< relref "/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md" >}})|Medium| O(n)| O(1)||66.4%|
+|0898|Bitwise ORs of Subarrays|[Go]({{< relref "/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md" >}})|Medium| O(n)| O(1)||34.1%|
+|1290|Convert Binary Number in a Linked List to Integer|[Go]({{< relref "/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})|Easy||||81.7%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
+
+
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Sort/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Breadth_First_Search.md b/website/content/ChapterTwo/Breadth_First_Search.md
index e337ca60..22ed64a5 100644
--- a/website/content/ChapterTwo/Breadth_First_Search.md
+++ b/website/content/ChapterTwo/Breadth_First_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Breadth First Search
+title: 2.10 Breadth First Search
 type: docs
+weight: 10
 ---
 
 # Breadth First Search
@@ -8,30 +9,30 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||47.9%|
-|0102|Binary Tree Level Order Traversal|[Go]({{< relref "/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md" >}})|Medium| O(n)| O(1)||56.3%|
-|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||49.8%|
-|0107|Binary Tree Level Order Traversal II|[Go]({{< relref "/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md" >}})|Easy| O(n)| O(1)||54.9%|
-|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.3%|
-|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
-|0127|Word Ladder|[Go]({{< relref "/ChapterFour/0127.Word-Ladder.md" >}})|Hard| O(n)| O(n)||31.5%|
-|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0130.Surrounded-Regions.md" >}})|Medium||||29.2%|
-|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||55.8%|
-|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200.Number-of-Islands.md" >}})|Medium| O(n^2)| O(n^2)||48.7%|
-|0207|Course Schedule|[Go]({{< relref "/ChapterFour/0207.Course-Schedule.md" >}})|Medium| O(n^2)| O(n^2)||44.3%|
-|0210|Course Schedule II|[Go]({{< relref "/ChapterFour/0210.Course-Schedule-II.md" >}})|Medium| O(n^2)| O(n^2)||42.3%|
-|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
-|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
-|0529|Minesweeper|[Go]({{< relref "/ChapterFour/0529.Minesweeper.md" >}})|Medium||||60.8%|
-|0542|01 Matrix|[Go]({{< relref "/ChapterFour/0542.01-Matrix.md" >}})|Medium| O(n)| O(1)||40.7%|
-|0785|Is Graph Bipartite?|[Go]({{< relref "/ChapterFour/0785.Is-Graph-Bipartite.md" >}})|Medium||||48.2%|
-|0815|Bus Routes|[Go]({{< relref "/ChapterFour/0815.Bus-Routes.md" >}})|Hard||||43.3%|
-|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.6%|
-|0864|Shortest Path to Get All Keys|[Go]({{< relref "/ChapterFour/0864.Shortest-Path-to-Get-All-Keys.md" >}})|Hard||||41.6%|
-|0993|Cousins in Binary Tree|[Go]({{< relref "/ChapterFour/0993.Cousins-in-Binary-Tree.md" >}})|Easy| O(n)| O(1)||52.3%|
-|1306|Jump Game III|[Go]({{< relref "/ChapterFour/1306.Jump-Game-III.md" >}})|Medium||||62.6%|
-|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.1%|
-|1654|Minimum Jumps to Reach Home|[Go]({{< relref "/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md" >}})|Medium||||26.2%|
+|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0100~0199/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||48.0%|
+|0102|Binary Tree Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md" >}})|Medium| O(n)| O(1)||56.4%|
+|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||50.0%|
+|0107|Binary Tree Level Order Traversal II|[Go]({{< relref "/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md" >}})|Easy| O(n)| O(1)||55.1%|
+|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.4%|
+|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.6%|
+|0127|Word Ladder|[Go]({{< relref "/ChapterFour/0100~0199/0127.Word-Ladder.md" >}})|Hard| O(n)| O(n)||31.6%|
+|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0100~0199/0130.Surrounded-Regions.md" >}})|Medium||||29.3%|
+|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||56.2%|
+|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200~0299/0200.Number-of-Islands.md" >}})|Medium| O(n^2)| O(n^2)||48.9%|
+|0207|Course Schedule|[Go]({{< relref "/ChapterFour/0200~0299/0207.Course-Schedule.md" >}})|Medium| O(n^2)| O(n^2)||44.3%|
+|0210|Course Schedule II|[Go]({{< relref "/ChapterFour/0200~0299/0210.Course-Schedule-II.md" >}})|Medium| O(n^2)| O(n^2)||42.4%|
+|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
+|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
+|0529|Minesweeper|[Go]({{< relref "/ChapterFour/0500~0599/0529.Minesweeper.md" >}})|Medium||||61.0%|
+|0542|01 Matrix|[Go]({{< relref "/ChapterFour/0500~0599/0542.01-Matrix.md" >}})|Medium| O(n)| O(1)||40.8%|
+|0785|Is Graph Bipartite?|[Go]({{< relref "/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md" >}})|Medium||||48.3%|
+|0815|Bus Routes|[Go]({{< relref "/ChapterFour/0800~0899/0815.Bus-Routes.md" >}})|Hard||||43.3%|
+|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.8%|
+|0864|Shortest Path to Get All Keys|[Go]({{< relref "/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md" >}})|Hard||||41.8%|
+|0993|Cousins in Binary Tree|[Go]({{< relref "/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md" >}})|Easy| O(n)| O(1)||52.3%|
+|1306|Jump Game III|[Go]({{< relref "/ChapterFour/1300~1399/1306.Jump-Game-III.md" >}})|Medium||||62.6%|
+|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.2%|
+|1654|Minimum Jumps to Reach Home|[Go]({{< relref "/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md" >}})|Medium||||26.2%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Depth_First_Search.md b/website/content/ChapterTwo/Depth_First_Search.md
index b2315e7a..cc8c42a6 100644
--- a/website/content/ChapterTwo/Depth_First_Search.md
+++ b/website/content/ChapterTwo/Depth_First_Search.md
@@ -1,6 +1,7 @@
 ---
-title: Depth First Search
+title: 2.09 Depth First Search
 type: docs
+weight: 9
 ---
 
 # Depth First Search
@@ -8,78 +9,78 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium||||48.8%|
-|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
-|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
-|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.0%|
-|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||47.9%|
-|0104|Maximum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||67.8%|
-|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.4%|
-|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.3%|
-|0108|Convert Sorted Array to Binary Search Tree|[Go]({{< relref "/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||60.1%|
-|0109|Convert Sorted List to Binary Search Tree|[Go]({{< relref "/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md" >}})|Medium| O(log n)| O(n)||49.9%|
-|0110|Balanced Binary Tree|[Go]({{< relref "/ChapterFour/0110.Balanced-Binary-Tree.md" >}})|Easy| O(n)| O(1)||44.6%|
-|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.3%|
-|0112|Path Sum|[Go]({{< relref "/ChapterFour/0112.Path-Sum.md" >}})|Easy| O(n)| O(1)||42.2%|
-|0113|Path Sum II|[Go]({{< relref "/ChapterFour/0113.Path-Sum-II.md" >}})|Medium| O(n)| O(1)||48.7%|
-|0114|Flatten Binary Tree to Linked List|[Go]({{< relref "/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md" >}})|Medium| O(n)| O(1)||51.5%|
-|0124|Binary Tree Maximum Path Sum|[Go]({{< relref "/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md" >}})|Hard| O(n)| O(1)||35.3%|
-|0129|Sum Root to Leaf Numbers|[Go]({{< relref "/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md" >}})|Medium| O(n)| O(1)||50.6%|
-|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0130.Surrounded-Regions.md" >}})|Medium||||29.2%|
-|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0131.Palindrome-Partitioning.md" >}})|Medium||||51.5%|
-|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||55.8%|
-|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200.Number-of-Islands.md" >}})|Medium| O(n^2)| O(n^2)||48.7%|
-|0207|Course Schedule|[Go]({{< relref "/ChapterFour/0207.Course-Schedule.md" >}})|Medium| O(n^2)| O(n^2)||44.3%|
-|0210|Course Schedule II|[Go]({{< relref "/ChapterFour/0210.Course-Schedule-II.md" >}})|Medium| O(n^2)| O(n^2)||42.3%|
-|0211|Design Add and Search Words Data Structure|[Go]({{< relref "/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md" >}})|Medium||||39.9%|
-|0257|Binary Tree Paths|[Go]({{< relref "/ChapterFour/0257.Binary-Tree-Paths.md" >}})|Easy| O(n)| O(1)||53.3%|
-|0329|Longest Increasing Path in a Matrix|[Go]({{< relref "/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix.md" >}})|Hard||||44.5%|
-|0337|House Robber III|[Go]({{< relref "/ChapterFour/0337.House-Robber-III.md" >}})|Medium||||51.7%|
-|0394|Decode String|[Go]({{< relref "/ChapterFour/0394.Decode-String.md" >}})|Medium| O(n)| O(n)||52.4%|
-|0491|Increasing Subsequences|[Go]({{< relref "/ChapterFour/0491.Increasing-Subsequences.md" >}})|Medium||||47.4%|
-|0494|Target Sum|[Go]({{< relref "/ChapterFour/0494.Target-Sum.md" >}})|Medium||||45.8%|
-|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
-|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
-|0526|Beautiful Arrangement|[Go]({{< relref "/ChapterFour/0526.Beautiful-Arrangement.md" >}})|Medium||||61.7%|
-|0529|Minesweeper|[Go]({{< relref "/ChapterFour/0529.Minesweeper.md" >}})|Medium||||60.8%|
-|0542|01 Matrix|[Go]({{< relref "/ChapterFour/0542.01-Matrix.md" >}})|Medium| O(n)| O(1)||40.7%|
-|0547|Number of Provinces|[Go]({{< relref "/ChapterFour/0547.Number-of-Provinces.md" >}})|Medium||||60.2%|
-|0563|Binary Tree Tilt|[Go]({{< relref "/ChapterFour/0563.Binary-Tree-Tilt.md" >}})|Easy||||52.7%|
-|0638|Shopping Offers|[Go]({{< relref "/ChapterFour/0638.Shopping-Offers.md" >}})|Medium||||52.7%|
-|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0685.Redundant-Connection-II.md" >}})|Hard||||32.9%|
-|0695|Max Area of Island|[Go]({{< relref "/ChapterFour/0695.Max-Area-of-Island.md" >}})|Medium||||64.4%|
-|0721|Accounts Merge|[Go]({{< relref "/ChapterFour/0721.Accounts-Merge.md" >}})|Medium||||51.3%|
-|0733|Flood Fill|[Go]({{< relref "/ChapterFour/0733.Flood-Fill.md" >}})|Easy||||55.8%|
-|0753|Cracking the Safe|[Go]({{< relref "/ChapterFour/0753.Cracking-the-Safe.md" >}})|Hard||||52.1%|
-|0756|Pyramid Transition Matrix|[Go]({{< relref "/ChapterFour/0756.Pyramid-Transition-Matrix.md" >}})|Medium||||55.4%|
-|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0778.Swim-in-Rising-Water.md" >}})|Hard||||54.5%|
-|0785|Is Graph Bipartite?|[Go]({{< relref "/ChapterFour/0785.Is-Graph-Bipartite.md" >}})|Medium||||48.2%|
-|0802|Find Eventual Safe States|[Go]({{< relref "/ChapterFour/0802.Find-Eventual-Safe-States.md" >}})|Medium||||49.7%|
-|0834|Sum of Distances in Tree|[Go]({{< relref "/ChapterFour/0834.Sum-of-Distances-in-Tree.md" >}})|Hard||||45.6%|
-|0839|Similar String Groups|[Go]({{< relref "/ChapterFour/0839.Similar-String-Groups.md" >}})|Hard||||40.2%|
-|0841|Keys and Rooms|[Go]({{< relref "/ChapterFour/0841.Keys-and-Rooms.md" >}})|Medium||||65.3%|
-|0851|Loud and Rich|[Go]({{< relref "/ChapterFour/0851.Loud-and-Rich.md" >}})|Medium||||52.5%|
-|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.6%|
-|0872|Leaf-Similar Trees|[Go]({{< relref "/ChapterFour/0872.Leaf-Similar-Trees.md" >}})|Easy||||64.6%|
-|0897|Increasing Order Search Tree|[Go]({{< relref "/ChapterFour/0897.Increasing-Order-Search-Tree.md" >}})|Easy||||74.4%|
-|0924|Minimize Malware Spread|[Go]({{< relref "/ChapterFour/0924.Minimize-Malware-Spread.md" >}})|Hard||||41.8%|
-|0928|Minimize Malware Spread II|[Go]({{< relref "/ChapterFour/0928.Minimize-Malware-Spread-II.md" >}})|Hard||||41.2%|
-|0947|Most Stones Removed with Same Row or Column|[Go]({{< relref "/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md" >}})|Medium||||55.5%|
-|0959|Regions Cut By Slashes|[Go]({{< relref "/ChapterFour/0959.Regions-Cut-By-Slashes.md" >}})|Medium||||66.9%|
-|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.5%|
-|0979|Distribute Coins in Binary Tree|[Go]({{< relref "/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md" >}})|Medium||||69.5%|
-|0980|Unique Paths III|[Go]({{< relref "/ChapterFour/0980.Unique-Paths-III.md" >}})|Hard| O(n log n)| O(n)||77.2%|
-|1020|Number of Enclaves|[Go]({{< relref "/ChapterFour/1020.Number-of-Enclaves.md" >}})|Medium||||58.7%|
-|1026|Maximum Difference Between Node and Ancestor|[Go]({{< relref "/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md" >}})|Medium||||69.2%|
-|1028|Recover a Tree From Preorder Traversal|[Go]({{< relref "/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md" >}})|Hard||||70.8%|
-|1110|Delete Nodes And Return Forest|[Go]({{< relref "/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md" >}})|Medium||||67.6%|
-|1123|Lowest Common Ancestor of Deepest Leaves|[Go]({{< relref "/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md" >}})|Medium||||67.9%|
-|1145|Binary Tree Coloring Game|[Go]({{< relref "/ChapterFour/1145.Binary-Tree-Coloring-Game.md" >}})|Medium||||51.4%|
-|1203|Sort Items by Groups Respecting Dependencies|[Go]({{< relref "/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies.md" >}})|Hard||||49.1%|
-|1254|Number of Closed Islands|[Go]({{< relref "/ChapterFour/1254.Number-of-Closed-Islands.md" >}})|Medium||||61.5%|
-|1302|Deepest Leaves Sum|[Go]({{< relref "/ChapterFour/1302.Deepest-Leaves-Sum.md" >}})|Medium||||84.1%|
-|1306|Jump Game III|[Go]({{< relref "/ChapterFour/1306.Jump-Game-III.md" >}})|Medium||||62.6%|
-|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.1%|
+|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium||||48.9%|
+|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.7%|
+|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.3%|
+|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100~0199/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.1%|
+|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0100~0199/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||48.0%|
+|0104|Maximum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||67.9%|
+|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.5%|
+|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.4%|
+|0108|Convert Sorted Array to Binary Search Tree|[Go]({{< relref "/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||60.2%|
+|0109|Convert Sorted List to Binary Search Tree|[Go]({{< relref "/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md" >}})|Medium| O(log n)| O(n)||50.0%|
+|0110|Balanced Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md" >}})|Easy| O(n)| O(1)||44.7%|
+|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.4%|
+|0112|Path Sum|[Go]({{< relref "/ChapterFour/0100~0199/0112.Path-Sum.md" >}})|Easy| O(n)| O(1)||42.3%|
+|0113|Path Sum II|[Go]({{< relref "/ChapterFour/0100~0199/0113.Path-Sum-II.md" >}})|Medium| O(n)| O(1)||48.9%|
+|0114|Flatten Binary Tree to Linked List|[Go]({{< relref "/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md" >}})|Medium| O(n)| O(1)||51.7%|
+|0124|Binary Tree Maximum Path Sum|[Go]({{< relref "/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md" >}})|Hard| O(n)| O(1)||35.4%|
+|0129|Sum Root to Leaf Numbers|[Go]({{< relref "/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md" >}})|Medium| O(n)| O(1)||50.8%|
+|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0100~0199/0130.Surrounded-Regions.md" >}})|Medium||||29.3%|
+|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md" >}})|Medium||||51.7%|
+|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||56.2%|
+|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200~0299/0200.Number-of-Islands.md" >}})|Medium| O(n^2)| O(n^2)||48.9%|
+|0207|Course Schedule|[Go]({{< relref "/ChapterFour/0200~0299/0207.Course-Schedule.md" >}})|Medium| O(n^2)| O(n^2)||44.3%|
+|0210|Course Schedule II|[Go]({{< relref "/ChapterFour/0200~0299/0210.Course-Schedule-II.md" >}})|Medium| O(n^2)| O(n^2)||42.4%|
+|0211|Design Add and Search Words Data Structure|[Go]({{< relref "/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md" >}})|Medium||||40.0%|
+|0257|Binary Tree Paths|[Go]({{< relref "/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md" >}})|Easy| O(n)| O(1)||53.4%|
+|0329|Longest Increasing Path in a Matrix|[Go]({{< relref "/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md" >}})|Hard||||44.7%|
+|0337|House Robber III|[Go]({{< relref "/ChapterFour/0300~0399/0337.House-Robber-III.md" >}})|Medium||||51.8%|
+|0394|Decode String|[Go]({{< relref "/ChapterFour/0300~0399/0394.Decode-String.md" >}})|Medium| O(n)| O(n)||52.5%|
+|0491|Increasing Subsequences|[Go]({{< relref "/ChapterFour/0400~0499/0491.Increasing-Subsequences.md" >}})|Medium||||47.5%|
+|0494|Target Sum|[Go]({{< relref "/ChapterFour/0400~0499/0494.Target-Sum.md" >}})|Medium||||45.8%|
+|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
+|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
+|0526|Beautiful Arrangement|[Go]({{< relref "/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md" >}})|Medium||||61.8%|
+|0529|Minesweeper|[Go]({{< relref "/ChapterFour/0500~0599/0529.Minesweeper.md" >}})|Medium||||61.0%|
+|0542|01 Matrix|[Go]({{< relref "/ChapterFour/0500~0599/0542.01-Matrix.md" >}})|Medium| O(n)| O(1)||40.8%|
+|0547|Number of Provinces|[Go]({{< relref "/ChapterFour/0500~0599/0547.Number-of-Provinces.md" >}})|Medium||||60.3%|
+|0563|Binary Tree Tilt|[Go]({{< relref "/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md" >}})|Easy||||52.8%|
+|0638|Shopping Offers|[Go]({{< relref "/ChapterFour/0600~0699/0638.Shopping-Offers.md" >}})|Medium||||52.8%|
+|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0600~0699/0685.Redundant-Connection-II.md" >}})|Hard||||32.9%|
+|0695|Max Area of Island|[Go]({{< relref "/ChapterFour/0600~0699/0695.Max-Area-of-Island.md" >}})|Medium||||64.6%|
+|0721|Accounts Merge|[Go]({{< relref "/ChapterFour/0700~0799/0721.Accounts-Merge.md" >}})|Medium||||51.6%|
+|0733|Flood Fill|[Go]({{< relref "/ChapterFour/0700~0799/0733.Flood-Fill.md" >}})|Easy||||55.9%|
+|0753|Cracking the Safe|[Go]({{< relref "/ChapterFour/0700~0799/0753.Cracking-the-Safe.md" >}})|Hard||||52.2%|
+|0756|Pyramid Transition Matrix|[Go]({{< relref "/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md" >}})|Medium||||55.5%|
+|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md" >}})|Hard||||54.8%|
+|0785|Is Graph Bipartite?|[Go]({{< relref "/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md" >}})|Medium||||48.3%|
+|0802|Find Eventual Safe States|[Go]({{< relref "/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md" >}})|Medium||||49.8%|
+|0834|Sum of Distances in Tree|[Go]({{< relref "/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md" >}})|Hard||||45.8%|
+|0839|Similar String Groups|[Go]({{< relref "/ChapterFour/0800~0899/0839.Similar-String-Groups.md" >}})|Hard||||40.4%|
+|0841|Keys and Rooms|[Go]({{< relref "/ChapterFour/0800~0899/0841.Keys-and-Rooms.md" >}})|Medium||||65.4%|
+|0851|Loud and Rich|[Go]({{< relref "/ChapterFour/0800~0899/0851.Loud-and-Rich.md" >}})|Medium||||52.6%|
+|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.8%|
+|0872|Leaf-Similar Trees|[Go]({{< relref "/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md" >}})|Easy||||64.6%|
+|0897|Increasing Order Search Tree|[Go]({{< relref "/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md" >}})|Easy||||74.5%|
+|0924|Minimize Malware Spread|[Go]({{< relref "/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md" >}})|Hard||||41.8%|
+|0928|Minimize Malware Spread II|[Go]({{< relref "/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md" >}})|Hard||||41.2%|
+|0947|Most Stones Removed with Same Row or Column|[Go]({{< relref "/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column.md" >}})|Medium||||55.5%|
+|0959|Regions Cut By Slashes|[Go]({{< relref "/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md" >}})|Medium||||67.0%|
+|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.6%|
+|0979|Distribute Coins in Binary Tree|[Go]({{< relref "/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md" >}})|Medium||||69.6%|
+|0980|Unique Paths III|[Go]({{< relref "/ChapterFour/0900~0999/0980.Unique-Paths-III.md" >}})|Hard| O(n log n)| O(n)||77.1%|
+|1020|Number of Enclaves|[Go]({{< relref "/ChapterFour/1000~1099/1020.Number-of-Enclaves.md" >}})|Medium||||58.9%|
+|1026|Maximum Difference Between Node and Ancestor|[Go]({{< relref "/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md" >}})|Medium||||69.3%|
+|1028|Recover a Tree From Preorder Traversal|[Go]({{< relref "/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md" >}})|Hard||||70.9%|
+|1110|Delete Nodes And Return Forest|[Go]({{< relref "/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md" >}})|Medium||||67.7%|
+|1123|Lowest Common Ancestor of Deepest Leaves|[Go]({{< relref "/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md" >}})|Medium||||67.9%|
+|1145|Binary Tree Coloring Game|[Go]({{< relref "/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md" >}})|Medium||||51.4%|
+|1203|Sort Items by Groups Respecting Dependencies|[Go]({{< relref "/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md" >}})|Hard||||48.9%|
+|1254|Number of Closed Islands|[Go]({{< relref "/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md" >}})|Medium||||61.5%|
+|1302|Deepest Leaves Sum|[Go]({{< relref "/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md" >}})|Medium||||84.2%|
+|1306|Jump Game III|[Go]({{< relref "/ChapterFour/1300~1399/1306.Jump-Game-III.md" >}})|Medium||||62.6%|
+|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.2%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Dynamic_Programming.md b/website/content/ChapterTwo/Dynamic_Programming.md
index 17e832bb..86276a5f 100644
--- a/website/content/ChapterTwo/Dynamic_Programming.md
+++ b/website/content/ChapterTwo/Dynamic_Programming.md
@@ -1,6 +1,7 @@
 ---
-title: Dynamic Programming
+title: 2.07 Dynamic Programming
 type: docs
+weight: 7
 ---
 
 # Dynamic Programming
@@ -8,58 +9,58 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0042.Trapping-Rain-Water.md" >}})|Hard||||50.8%|
-|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
-|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
-|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
-|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.0%|
-|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0070.Climbing-Stairs.md" >}})|Easy| O(n)| O(n)||48.5%|
-|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
-|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
-|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n)| O(n)||54.2%|
-|0120|Triangle|[Go]({{< relref "/ChapterFour/0120.Triangle.md" >}})|Medium| O(n^2)| O(n)||45.5%|
-|0121|Best Time to Buy and Sell Stock|[Go]({{< relref "/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md" >}})|Easy| O(n)| O(1)||51.3%|
-|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0131.Palindrome-Partitioning.md" >}})|Medium||||51.5%|
-|0152|Maximum Product Subarray|[Go]({{< relref "/ChapterFour/0152.Maximum-Product-Subarray.md" >}})|Medium| O(n)| O(1)||32.7%|
-|0174|Dungeon Game|[Go]({{< relref "/ChapterFour/0174.Dungeon-Game.md" >}})|Hard||||33.2%|
-|0198|House Robber|[Go]({{< relref "/ChapterFour/0198.House-Robber.md" >}})|Medium| O(n)| O(n)||42.8%|
-|0213|House Robber II|[Go]({{< relref "/ChapterFour/0213.House-Robber-II.md" >}})|Medium| O(n)| O(n)||37.4%|
-|0300|Longest Increasing Subsequence|[Go]({{< relref "/ChapterFour/0300.Longest-Increasing-Subsequence.md" >}})|Medium| O(n log n)| O(n)||43.7%|
-|0303|Range Sum Query - Immutable|[Go]({{< relref "/ChapterFour/0303.Range-Sum-Query---Immutable.md" >}})|Easy||||47.2%|
-|0309|Best Time to Buy and Sell Stock with Cooldown|[Go]({{< relref "/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md" >}})|Medium| O(n)| O(n)||48.1%|
-|0322|Coin Change|[Go]({{< relref "/ChapterFour/0322.Coin-Change.md" >}})|Medium| O(n)| O(n)||37.0%|
-|0337|House Robber III|[Go]({{< relref "/ChapterFour/0337.House-Robber-III.md" >}})|Medium||||51.7%|
-|0338|Counting Bits|[Go]({{< relref "/ChapterFour/0338.Counting-Bits.md" >}})|Medium| O(n)| O(n)||70.3%|
-|0343|Integer Break|[Go]({{< relref "/ChapterFour/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||51.1%|
-|0354|Russian Doll Envelopes|[Go]({{< relref "/ChapterFour/0354.Russian-Doll-Envelopes.md" >}})|Hard||||36.1%|
-|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
-|0392|Is Subsequence|[Go]({{< relref "/ChapterFour/0392.Is-Subsequence.md" >}})|Easy| O(n)| O(1)||49.5%|
-|0410|Split Array Largest Sum|[Go]({{< relref "/ChapterFour/0410.Split-Array-Largest-Sum.md" >}})|Hard||||46.1%|
-|0416|Partition Equal Subset Sum|[Go]({{< relref "/ChapterFour/0416.Partition-Equal-Subset-Sum.md" >}})|Medium| O(n^2)| O(n)||44.8%|
-|0474|Ones and Zeroes|[Go]({{< relref "/ChapterFour/0474.Ones-and-Zeroes.md" >}})|Medium||||43.5%|
-|0494|Target Sum|[Go]({{< relref "/ChapterFour/0494.Target-Sum.md" >}})|Medium||||45.8%|
-|0638|Shopping Offers|[Go]({{< relref "/ChapterFour/0638.Shopping-Offers.md" >}})|Medium||||52.7%|
-|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go]({{< relref "/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md" >}})|Medium| O(n)| O(1)||55.9%|
-|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.2%|
-|0746|Min Cost Climbing Stairs|[Go]({{< relref "/ChapterFour/0746.Min-Cost-Climbing-Stairs.md" >}})|Easy| O(n)| O(1)||50.9%|
-|0838|Push Dominoes|[Go]({{< relref "/ChapterFour/0838.Push-Dominoes.md" >}})|Medium| O(n)| O(n)||49.7%|
-|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
-|0898|Bitwise ORs of Subarrays|[Go]({{< relref "/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md" >}})|Medium||||34.0%|
-|0920|Number of Music Playlists|[Go]({{< relref "/ChapterFour/0920.Number-of-Music-Playlists.md" >}})|Hard||||47.7%|
-|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.5%|
-|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0978.Longest-Turbulent-Subarray.md" >}})|Medium||||46.6%|
-|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.2%|
-|1049|Last Stone Weight II|[Go]({{< relref "/ChapterFour/1049.Last-Stone-Weight-II.md" >}})|Medium||||45.0%|
-|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard||||61.5%|
-|1105|Filling Bookcase Shelves|[Go]({{< relref "/ChapterFour/1105.Filling-Bookcase-Shelves.md" >}})|Medium||||57.7%|
-|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.0%|
-|1463|Cherry Pickup II|[Go]({{< relref "/ChapterFour/1463.Cherry-Pickup-II.md" >}})|Hard||||69.4%|
-|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.3%|
-|1654|Minimum Jumps to Reach Home|[Go]({{< relref "/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md" >}})|Medium||||26.2%|
-|1655|Distribute Repeating Integers|[Go]({{< relref "/ChapterFour/1655.Distribute-Repeating-Integers.md" >}})|Hard||||40.5%|
-|1659|Maximize Grid Happiness|[Go]({{< relref "/ChapterFour/1659.Maximize-Grid-Happiness.md" >}})|Hard||||35.3%|
-|1664|Ways to Make a Fair Array|[Go]({{< relref "/ChapterFour/1664.Ways-to-Make-a-Fair-Array.md" >}})|Medium||||60.7%|
-|1690|Stone Game VII|[Go]({{< relref "/ChapterFour/1690.Stone-Game-VII.md" >}})|Medium||||47.0%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard||||51.0%|
+|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0001~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.7%|
+|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.8%|
+|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0001~0099/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
+|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.1%|
+|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0001~0099/0070.Climbing-Stairs.md" >}})|Easy| O(n)| O(n)||48.6%|
+|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0001~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.4%|
+|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.3%|
+|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n)| O(n)||54.3%|
+|0120|Triangle|[Go]({{< relref "/ChapterFour/0100~0199/0120.Triangle.md" >}})|Medium| O(n^2)| O(n)||45.6%|
+|0121|Best Time to Buy and Sell Stock|[Go]({{< relref "/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md" >}})|Easy| O(n)| O(1)||51.5%|
+|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md" >}})|Medium||||51.7%|
+|0152|Maximum Product Subarray|[Go]({{< relref "/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md" >}})|Medium| O(n)| O(1)||32.7%|
+|0174|Dungeon Game|[Go]({{< relref "/ChapterFour/0100~0199/0174.Dungeon-Game.md" >}})|Hard||||33.2%|
+|0198|House Robber|[Go]({{< relref "/ChapterFour/0100~0199/0198.House-Robber.md" >}})|Medium| O(n)| O(n)||42.8%|
+|0213|House Robber II|[Go]({{< relref "/ChapterFour/0200~0299/0213.House-Robber-II.md" >}})|Medium| O(n)| O(n)||37.5%|
+|0300|Longest Increasing Subsequence|[Go]({{< relref "/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md" >}})|Medium| O(n log n)| O(n)||43.9%|
+|0303|Range Sum Query - Immutable|[Go]({{< relref "/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md" >}})|Easy||||47.4%|
+|0309|Best Time to Buy and Sell Stock with Cooldown|[Go]({{< relref "/ChapterFour/0300~0399/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md" >}})|Medium| O(n)| O(n)||48.1%|
+|0322|Coin Change|[Go]({{< relref "/ChapterFour/0300~0399/0322.Coin-Change.md" >}})|Medium| O(n)| O(n)||37.1%|
+|0337|House Robber III|[Go]({{< relref "/ChapterFour/0300~0399/0337.House-Robber-III.md" >}})|Medium||||51.8%|
+|0338|Counting Bits|[Go]({{< relref "/ChapterFour/0300~0399/0338.Counting-Bits.md" >}})|Medium| O(n)| O(n)||70.3%|
+|0343|Integer Break|[Go]({{< relref "/ChapterFour/0300~0399/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||51.1%|
+|0354|Russian Doll Envelopes|[Go]({{< relref "/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md" >}})|Hard||||36.2%|
+|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
+|0392|Is Subsequence|[Go]({{< relref "/ChapterFour/0300~0399/0392.Is-Subsequence.md" >}})|Easy| O(n)| O(1)||49.5%|
+|0410|Split Array Largest Sum|[Go]({{< relref "/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md" >}})|Hard||||46.2%|
+|0416|Partition Equal Subset Sum|[Go]({{< relref "/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md" >}})|Medium| O(n^2)| O(n)||44.8%|
+|0474|Ones and Zeroes|[Go]({{< relref "/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md" >}})|Medium||||43.6%|
+|0494|Target Sum|[Go]({{< relref "/ChapterFour/0400~0499/0494.Target-Sum.md" >}})|Medium||||45.8%|
+|0638|Shopping Offers|[Go]({{< relref "/ChapterFour/0600~0699/0638.Shopping-Offers.md" >}})|Medium||||52.8%|
+|0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go]({{< relref "/ChapterFour/0700~0799/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md" >}})|Medium| O(n)| O(1)||56.0%|
+|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.3%|
+|0746|Min Cost Climbing Stairs|[Go]({{< relref "/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md" >}})|Easy| O(n)| O(1)||50.9%|
+|0838|Push Dominoes|[Go]({{< relref "/ChapterFour/0800~0899/0838.Push-Dominoes.md" >}})|Medium| O(n)| O(n)||49.7%|
+|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0800~0899/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
+|0898|Bitwise ORs of Subarrays|[Go]({{< relref "/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md" >}})|Medium||||34.1%|
+|0920|Number of Music Playlists|[Go]({{< relref "/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md" >}})|Hard||||47.7%|
+|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.6%|
+|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md" >}})|Medium||||46.6%|
+|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1000~1099/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.2%|
+|1049|Last Stone Weight II|[Go]({{< relref "/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md" >}})|Medium||||45.2%|
+|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard||||61.7%|
+|1105|Filling Bookcase Shelves|[Go]({{< relref "/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md" >}})|Medium||||57.5%|
+|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.3%|
+|1463|Cherry Pickup II|[Go]({{< relref "/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md" >}})|Hard||||69.4%|
+|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.0%|
+|1654|Minimum Jumps to Reach Home|[Go]({{< relref "/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md" >}})|Medium||||26.2%|
+|1655|Distribute Repeating Integers|[Go]({{< relref "/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md" >}})|Hard||||40.5%|
+|1659|Maximize Grid Happiness|[Go]({{< relref "/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md" >}})|Hard||||35.5%|
+|1664|Ways to Make a Fair Array|[Go]({{< relref "/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md" >}})|Medium||||60.6%|
+|1690|Stone Game VII|[Go]({{< relref "/ChapterFour/1600~1699/1690.Stone-Game-VII.md" >}})|Medium||||47.5%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Hash_Table.md b/website/content/ChapterTwo/Hash_Table.md
index 5d14764f..995dc1fa 100644
--- a/website/content/ChapterTwo/Hash_Table.md
+++ b/website/content/ChapterTwo/Hash_Table.md
@@ -1,6 +1,7 @@
 ---
-title: Hash Table
+title: 2.13 Hash Table
 type: docs
+weight: 13
 ---
 
 # Hash Table
@@ -8,74 +9,74 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0036|Valid Sudoku|[Go]({{< relref "/ChapterFour/0036.Valid-Sudoku.md" >}})|Medium| O(n^2)| O(n^2)||50.3%|
-|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
-|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
-|0136|Single Number|[Go]({{< relref "/ChapterFour/0136.Single-Number.md" >}})|Easy||||66.4%|
-|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0138.Copy-List-with-Random-Pointer.md" >}})|Medium| O(n)| O(1)||39.6%|
-|0187|Repeated DNA Sequences|[Go]({{< relref "/ChapterFour/0187.Repeated-DNA-Sequences.md" >}})|Medium||||41.3%|
-|0202|Happy Number|[Go]({{< relref "/ChapterFour/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||51.1%|
-|0204|Count Primes|[Go]({{< relref "/ChapterFour/0204.Count-Primes.md" >}})|Easy||||32.1%|
-|0205|Isomorphic Strings|[Go]({{< relref "/ChapterFour/0205.Isomorphic-Strings.md" >}})|Easy| O(log n)| O(n)||40.4%|
-|0217|Contains Duplicate|[Go]({{< relref "/ChapterFour/0217.Contains-Duplicate.md" >}})|Easy| O(n)| O(n)||56.5%|
-|0219|Contains Duplicate II|[Go]({{< relref "/ChapterFour/0219.Contains-Duplicate-II.md" >}})|Easy| O(n)| O(n)||38.5%|
-|0242|Valid Anagram|[Go]({{< relref "/ChapterFour/0242.Valid-Anagram.md" >}})|Easy| O(n)| O(n) ||58.0%|
-|0274|H-Index|[Go]({{< relref "/ChapterFour/0274.H-Index.md" >}})|Medium|  O(n)| O(n) ||36.3%|
-|0290|Word Pattern|[Go]({{< relref "/ChapterFour/0290.Word-Pattern.md" >}})|Easy|  O(n)| O(n) ||38.3%|
-|0347|Top K Frequent Elements|[Go]({{< relref "/ChapterFour/0347.Top-K-Frequent-Elements.md" >}})|Medium|  O(n)| O(n) ||62.2%|
-|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.5%|
-|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
-|0387|First Unique Character in a String|[Go]({{< relref "/ChapterFour/0387.First-Unique-Character-in-a-String.md" >}})|Easy||||53.7%|
-|0389|Find the Difference|[Go]({{< relref "/ChapterFour/0389.Find-the-Difference.md" >}})|Easy||||57.7%|
-|0409|Longest Palindrome|[Go]({{< relref "/ChapterFour/0409.Longest-Palindrome.md" >}})|Easy||||52.2%|
-|0438|Find All Anagrams in a String|[Go]({{< relref "/ChapterFour/0438.Find-All-Anagrams-in-a-String.md" >}})|Medium| O(n)| O(1) ||44.7%|
-|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0447.Number-of-Boomerangs.md" >}})|Medium| O(n)| O(1) ||52.4%|
-|0451|Sort Characters By Frequency|[Go]({{< relref "/ChapterFour/0451.Sort-Characters-By-Frequency.md" >}})|Medium| O(n log n)| O(1) ||64.2%|
-|0454|4Sum II|[Go]({{< relref "/ChapterFour/0454.4Sum-II.md" >}})|Medium| O(n^2)| O(n) ||54.5%|
-|0463|Island Perimeter|[Go]({{< relref "/ChapterFour/0463.Island-Perimeter.md" >}})|Easy||||66.6%|
-|0500|Keyboard Row|[Go]({{< relref "/ChapterFour/0500.Keyboard-Row.md" >}})|Easy||||65.5%|
-|0508|Most Frequent Subtree Sum|[Go]({{< relref "/ChapterFour/0508.Most-Frequent-Subtree-Sum.md" >}})|Medium||||58.9%|
-|0575|Distribute Candies|[Go]({{< relref "/ChapterFour/0575.Distribute-Candies.md" >}})|Easy||||61.9%|
-|0594|Longest Harmonious Subsequence|[Go]({{< relref "/ChapterFour/0594.Longest-Harmonious-Subsequence.md" >}})|Easy||||47.8%|
-|0599|Minimum Index Sum of Two Lists|[Go]({{< relref "/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists.md" >}})|Easy||||51.5%|
-|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.0%|
-|0645|Set Mismatch|[Go]({{< relref "/ChapterFour/0645.Set-Mismatch.md" >}})|Easy||||42.5%|
-|0648|Replace Words|[Go]({{< relref "/ChapterFour/0648.Replace-Words.md" >}})|Medium| O(n)| O(n) ||58.3%|
-|0676|Implement Magic Dictionary|[Go]({{< relref "/ChapterFour/0676.Implement-Magic-Dictionary.md" >}})|Medium| O(n)| O(n) ||55.2%|
-|0705|Design HashSet|[Go]({{< relref "/ChapterFour/0705.Design-HashSet.md" >}})|Easy||||64.6%|
-|0706|Design HashMap|[Go]({{< relref "/ChapterFour/0706.Design-HashMap.md" >}})|Easy||||62.6%|
-|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.6%|
-|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.2%|
-|0720|Longest Word in Dictionary|[Go]({{< relref "/ChapterFour/0720.Longest-Word-in-Dictionary.md" >}})|Easy| O(n)| O(n) ||49.1%|
-|0726|Number of Atoms|[Go]({{< relref "/ChapterFour/0726.Number-of-Atoms.md" >}})|Hard| O(n)| O(n) |❤️|51.0%|
-|0739|Daily Temperatures|[Go]({{< relref "/ChapterFour/0739.Daily-Temperatures.md" >}})|Medium| O(n)| O(n) ||64.4%|
-|0748|Shortest Completing Word|[Go]({{< relref "/ChapterFour/0748.Shortest-Completing-Word.md" >}})|Easy||||57.4%|
-|0771|Jewels and Stones|[Go]({{< relref "/ChapterFour/0771.Jewels-and-Stones.md" >}})|Easy||||86.9%|
-|0781|Rabbits in Forest|[Go]({{< relref "/ChapterFour/0781.Rabbits-in-Forest.md" >}})|Medium||||55.4%|
-|0811|Subdomain Visit Count|[Go]({{< relref "/ChapterFour/0811.Subdomain-Visit-Count.md" >}})|Easy||||71.2%|
-|0884|Uncommon Words from Two Sentences|[Go]({{< relref "/ChapterFour/0884.Uncommon-Words-from-Two-Sentences.md" >}})|Easy||||64.0%|
-|0895|Maximum Frequency Stack|[Go]({{< relref "/ChapterFour/0895.Maximum-Frequency-Stack.md" >}})|Hard| O(n)| O(n)  ||62.2%|
-|0930|Binary Subarrays With Sum|[Go]({{< relref "/ChapterFour/0930.Binary-Subarrays-With-Sum.md" >}})|Medium| O(n)| O(n)  |❤️|44.3%|
-|0953|Verifying an Alien Dictionary|[Go]({{< relref "/ChapterFour/0953.Verifying-an-Alien-Dictionary.md" >}})|Easy||||52.4%|
-|0961|N-Repeated Element in Size 2N Array|[Go]({{< relref "/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array.md" >}})|Easy||||74.4%|
-|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0970.Powerful-Integers.md" >}})|Easy||||39.9%|
-|0981|Time Based Key-Value Store|[Go]({{< relref "/ChapterFour/0981.Time-Based-Key-Value-Store.md" >}})|Medium||||54.0%|
-|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)  |❤️|50.5%|
-|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1002.Find-Common-Characters.md" >}})|Easy||||68.2%|
-|1078|Occurrences After Bigram|[Go]({{< relref "/ChapterFour/1078.Occurrences-After-Bigram.md" >}})|Easy||||64.8%|
-|1160|Find Words That Can Be Formed by Characters|[Go]({{< relref "/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md" >}})|Easy||||67.6%|
-|1189|Maximum Number of Balloons|[Go]({{< relref "/ChapterFour/1189.Maximum-Number-of-Balloons.md" >}})|Easy||||61.7%|
-|1207|Unique Number of Occurrences|[Go]({{< relref "/ChapterFour/1207.Unique-Number-of-Occurrences.md" >}})|Easy||||71.6%|
-|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
-|1539|Kth Missing Positive Number|[Go]({{< relref "/ChapterFour/1539.Kth-Missing-Positive-Number.md" >}})|Easy||||55.2%|
-|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.7%|
-|1679|Max Number of K-Sum Pairs|[Go]({{< relref "/ChapterFour/1679.Max-Number-of-K-Sum-Pairs.md" >}})|Medium||||54.3%|
+|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.4%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.4%|
+|0018|4Sum|[Go]({{< relref "/ChapterFour/0001~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.8%|
+|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
+|0036|Valid Sudoku|[Go]({{< relref "/ChapterFour/0001~0099/0036.Valid-Sudoku.md" >}})|Medium| O(n^2)| O(n^2)||50.4%|
+|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0001~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.3%|
+|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0001~0099/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||59.1%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.9%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.7%|
+|0136|Single Number|[Go]({{< relref "/ChapterFour/0100~0199/0136.Single-Number.md" >}})|Easy||||66.5%|
+|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0100~0199/0138.Copy-List-with-Random-Pointer.md" >}})|Medium| O(n)| O(1)||39.9%|
+|0187|Repeated DNA Sequences|[Go]({{< relref "/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md" >}})|Medium||||41.4%|
+|0202|Happy Number|[Go]({{< relref "/ChapterFour/0200~0299/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||51.2%|
+|0204|Count Primes|[Go]({{< relref "/ChapterFour/0200~0299/0204.Count-Primes.md" >}})|Easy||||32.2%|
+|0205|Isomorphic Strings|[Go]({{< relref "/ChapterFour/0200~0299/0205.Isomorphic-Strings.md" >}})|Easy| O(log n)| O(n)||40.4%|
+|0217|Contains Duplicate|[Go]({{< relref "/ChapterFour/0200~0299/0217.Contains-Duplicate.md" >}})|Easy| O(n)| O(n)||56.6%|
+|0219|Contains Duplicate II|[Go]({{< relref "/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md" >}})|Easy| O(n)| O(n)||38.6%|
+|0242|Valid Anagram|[Go]({{< relref "/ChapterFour/0200~0299/0242.Valid-Anagram.md" >}})|Easy| O(n)| O(n) ||58.1%|
+|0274|H-Index|[Go]({{< relref "/ChapterFour/0200~0299/0274.H-Index.md" >}})|Medium|  O(n)| O(n) ||36.3%|
+|0290|Word Pattern|[Go]({{< relref "/ChapterFour/0200~0299/0290.Word-Pattern.md" >}})|Easy|  O(n)| O(n) ||38.3%|
+|0347|Top K Frequent Elements|[Go]({{< relref "/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md" >}})|Medium|  O(n)| O(n) ||62.3%|
+|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.6%|
+|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
+|0387|First Unique Character in a String|[Go]({{< relref "/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md" >}})|Easy||||53.8%|
+|0389|Find the Difference|[Go]({{< relref "/ChapterFour/0300~0399/0389.Find-the-Difference.md" >}})|Easy||||57.7%|
+|0409|Longest Palindrome|[Go]({{< relref "/ChapterFour/0400~0499/0409.Longest-Palindrome.md" >}})|Easy||||52.2%|
+|0438|Find All Anagrams in a String|[Go]({{< relref "/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md" >}})|Medium| O(n)| O(1) ||44.8%|
+|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md" >}})|Medium| O(n)| O(1) ||52.4%|
+|0451|Sort Characters By Frequency|[Go]({{< relref "/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md" >}})|Medium| O(n log n)| O(1) ||64.3%|
+|0454|4Sum II|[Go]({{< relref "/ChapterFour/0400~0499/0454.4Sum-II.md" >}})|Medium| O(n^2)| O(n) ||54.6%|
+|0463|Island Perimeter|[Go]({{< relref "/ChapterFour/0400~0499/0463.Island-Perimeter.md" >}})|Easy||||66.6%|
+|0500|Keyboard Row|[Go]({{< relref "/ChapterFour/0500~0599/0500.Keyboard-Row.md" >}})|Easy||||65.6%|
+|0508|Most Frequent Subtree Sum|[Go]({{< relref "/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md" >}})|Medium||||59.0%|
+|0575|Distribute Candies|[Go]({{< relref "/ChapterFour/0500~0599/0575.Distribute-Candies.md" >}})|Easy||||62.0%|
+|0594|Longest Harmonious Subsequence|[Go]({{< relref "/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md" >}})|Easy||||51.2%|
+|0599|Minimum Index Sum of Two Lists|[Go]({{< relref "/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md" >}})|Easy||||51.6%|
+|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.1%|
+|0645|Set Mismatch|[Go]({{< relref "/ChapterFour/0600~0699/0645.Set-Mismatch.md" >}})|Easy||||42.5%|
+|0648|Replace Words|[Go]({{< relref "/ChapterFour/0600~0699/0648.Replace-Words.md" >}})|Medium| O(n)| O(n) ||58.4%|
+|0676|Implement Magic Dictionary|[Go]({{< relref "/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md" >}})|Medium| O(n)| O(n) ||55.2%|
+|0705|Design HashSet|[Go]({{< relref "/ChapterFour/0700~0799/0705.Design-HashSet.md" >}})|Easy||||64.7%|
+|0706|Design HashMap|[Go]({{< relref "/ChapterFour/0700~0799/0706.Design-HashMap.md" >}})|Easy||||62.7%|
+|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.7%|
+|0718|Maximum Length of Repeated Subarray|[Go]({{< relref "/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md" >}})|Medium||||50.3%|
+|0720|Longest Word in Dictionary|[Go]({{< relref "/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md" >}})|Easy| O(n)| O(n) ||49.1%|
+|0726|Number of Atoms|[Go]({{< relref "/ChapterFour/0700~0799/0726.Number-of-Atoms.md" >}})|Hard| O(n)| O(n) |❤️|51.1%|
+|0739|Daily Temperatures|[Go]({{< relref "/ChapterFour/0700~0799/0739.Daily-Temperatures.md" >}})|Medium| O(n)| O(n) ||64.5%|
+|0748|Shortest Completing Word|[Go]({{< relref "/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md" >}})|Easy||||57.5%|
+|0771|Jewels and Stones|[Go]({{< relref "/ChapterFour/0700~0799/0771.Jewels-and-Stones.md" >}})|Easy||||86.9%|
+|0781|Rabbits in Forest|[Go]({{< relref "/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md" >}})|Medium||||55.4%|
+|0811|Subdomain Visit Count|[Go]({{< relref "/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md" >}})|Easy||||71.4%|
+|0884|Uncommon Words from Two Sentences|[Go]({{< relref "/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md" >}})|Easy||||64.0%|
+|0895|Maximum Frequency Stack|[Go]({{< relref "/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md" >}})|Hard| O(n)| O(n)  ||62.2%|
+|0930|Binary Subarrays With Sum|[Go]({{< relref "/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md" >}})|Medium| O(n)| O(n)  |❤️|44.5%|
+|0953|Verifying an Alien Dictionary|[Go]({{< relref "/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md" >}})|Easy||||52.3%|
+|0961|N-Repeated Element in Size 2N Array|[Go]({{< relref "/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md" >}})|Easy||||74.4%|
+|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0900~0999/0970.Powerful-Integers.md" >}})|Medium||||39.9%|
+|0981|Time Based Key-Value Store|[Go]({{< relref "/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md" >}})|Medium||||54.1%|
+|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)  |❤️|50.6%|
+|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.5%|
+|1078|Occurrences After Bigram|[Go]({{< relref "/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md" >}})|Easy||||64.9%|
+|1160|Find Words That Can Be Formed by Characters|[Go]({{< relref "/ChapterFour/1100~1199/1160.Find-Words-That-Can-Be-Formed-by-Characters.md" >}})|Easy||||67.9%|
+|1189|Maximum Number of Balloons|[Go]({{< relref "/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md" >}})|Easy||||61.7%|
+|1207|Unique Number of Occurrences|[Go]({{< relref "/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md" >}})|Easy||||71.7%|
+|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
+|1539|Kth Missing Positive Number|[Go]({{< relref "/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md" >}})|Easy||||55.1%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.2%|
+|1679|Max Number of K-Sum Pairs|[Go]({{< relref "/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md" >}})|Medium||||54.2%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Linked_List.md b/website/content/ChapterTwo/Linked_List.md
index 77e4e650..cabda2e9 100644
--- a/website/content/ChapterTwo/Linked_List.md
+++ b/website/content/ChapterTwo/Linked_List.md
@@ -1,6 +1,7 @@
 ---
-title: Linked List
+title: 2.04 ✅ Linked List
 type: docs
+weight: 4
 ---
 
 # Linked List
@@ -22,40 +23,40 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
-|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.6%|
-|0021|Merge Two Sorted Lists|[Go]({{< relref "/ChapterFour/0021.Merge-Two-Sorted-Lists.md" >}})|Easy| O(log n)| O(1)||55.7%|
-|0023|Merge k Sorted Lists|[Go]({{< relref "/ChapterFour/0023.Merge-k-Sorted-Lists.md" >}})|Hard| O(log n)| O(1)|❤️|42.4%|
-|0024|Swap Nodes in Pairs|[Go]({{< relref "/ChapterFour/0024.Swap-Nodes-in-Pairs.md" >}})|Medium| O(n)| O(1)||52.7%|
-|0025|Reverse Nodes in k-Group|[Go]({{< relref "/ChapterFour/0025.Reverse-Nodes-in-k-Group.md" >}})|Hard| O(log n)| O(1)|❤️|44.4%|
-|0061|Rotate List|[Go]({{< relref "/ChapterFour/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
-|0082|Remove Duplicates from Sorted List II|[Go]({{< relref "/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II.md" >}})|Medium| O(n)| O(1)||39.0%|
-|0083|Remove Duplicates from Sorted List|[Go]({{< relref "/ChapterFour/0083.Remove-Duplicates-from-Sorted-List.md" >}})|Easy| O(n)| O(1)||46.3%|
-|0086|Partition List|[Go]({{< relref "/ChapterFour/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
-|0092|Reverse Linked List II|[Go]({{< relref "/ChapterFour/0092.Reverse-Linked-List-II.md" >}})|Medium| O(n)| O(1)|❤️|40.3%|
-|0109|Convert Sorted List to Binary Search Tree|[Go]({{< relref "/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md" >}})|Medium| O(log n)| O(n)||49.9%|
-|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0138.Copy-List-with-Random-Pointer.md" >}})|Medium||||39.6%|
-|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.3%|
-|0142|Linked List Cycle II|[Go]({{< relref "/ChapterFour/0142.Linked-List-Cycle-II.md" >}})|Medium| O(n)| O(1)|❤️|39.4%|
-|0143|Reorder List|[Go]({{< relref "/ChapterFour/0143.Reorder-List.md" >}})|Medium| O(n)| O(1)|❤️|40.3%|
-|0147|Insertion Sort List|[Go]({{< relref "/ChapterFour/0147.Insertion-Sort-List.md" >}})|Medium| O(n)| O(1)|❤️|44.2%|
-|0148|Sort List|[Go]({{< relref "/ChapterFour/0148.Sort-List.md" >}})|Medium| O(n log n)| O(n)|❤️|45.9%|
-|0160|Intersection of Two Linked Lists|[Go]({{< relref "/ChapterFour/0160.Intersection-of-Two-Linked-Lists.md" >}})|Easy| O(n)| O(1)|❤️|42.8%|
-|0203|Remove Linked List Elements|[Go]({{< relref "/ChapterFour/0203.Remove-Linked-List-Elements.md" >}})|Easy| O(n)| O(1)||39.1%|
-|0206|Reverse Linked List|[Go]({{< relref "/ChapterFour/0206.Reverse-Linked-List.md" >}})|Easy| O(n)| O(1)||64.9%|
-|0234|Palindrome Linked List|[Go]({{< relref "/ChapterFour/0234.Palindrome-Linked-List.md" >}})|Easy| O(n)| O(1)||40.3%|
-|0237|Delete Node in a Linked List|[Go]({{< relref "/ChapterFour/0237.Delete-Node-in-a-Linked-List.md" >}})|Easy| O(n)| O(1)||66.4%|
-|0328|Odd Even Linked List|[Go]({{< relref "/ChapterFour/0328.Odd-Even-Linked-List.md" >}})|Medium| O(n)| O(1)||56.9%|
-|0445|Add Two Numbers II|[Go]({{< relref "/ChapterFour/0445.Add-Two-Numbers-II.md" >}})|Medium| O(n)| O(n)||56.1%|
-|0707|Design Linked List|[Go]({{< relref "/ChapterFour/0707.Design-Linked-List.md" >}})|Medium| O(n)| O(1)||25.8%|
-|0725|Split Linked List in Parts|[Go]({{< relref "/ChapterFour/0725.Split-Linked-List-in-Parts.md" >}})|Medium| O(n)| O(1)||52.8%|
-|0817|Linked List Components|[Go]({{< relref "/ChapterFour/0817.Linked-List-Components.md" >}})|Medium| O(n)| O(1)||57.6%|
-|0876|Middle of the Linked List|[Go]({{< relref "/ChapterFour/0876.Middle-of-the-Linked-List.md" >}})|Easy| O(n)| O(1)|❤️|68.9%|
-|1019|Next Greater Node In Linked List|[Go]({{< relref "/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md" >}})|Medium| O(n)| O(1)||58.2%|
-|1171|Remove Zero Sum Consecutive Nodes from Linked List|[Go]({{< relref "/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md" >}})|Medium||||41.4%|
-|1290|Convert Binary Number in a Linked List to Integer|[Go]({{< relref "/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})|Easy||||81.7%|
-|1669|Merge In Between Linked Lists|[Go]({{< relref "/ChapterFour/1669.Merge-In-Between-Linked-Lists.md" >}})|Medium||||77.9%|
-|1670|Design Front Middle Back Queue|[Go]({{< relref "/ChapterFour/1670.Design-Front-Middle-Back-Queue.md" >}})|Medium||||54.6%|
+|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.3%|
+|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.7%|
+|0021|Merge Two Sorted Lists|[Go]({{< relref "/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md" >}})|Easy| O(log n)| O(1)||55.9%|
+|0023|Merge k Sorted Lists|[Go]({{< relref "/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md" >}})|Hard| O(log n)| O(1)|❤️|42.5%|
+|0024|Swap Nodes in Pairs|[Go]({{< relref "/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md" >}})|Medium| O(n)| O(1)||52.9%|
+|0025|Reverse Nodes in k-Group|[Go]({{< relref "/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md" >}})|Hard| O(log n)| O(1)|❤️|44.6%|
+|0061|Rotate List|[Go]({{< relref "/ChapterFour/0001~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.7%|
+|0082|Remove Duplicates from Sorted List II|[Go]({{< relref "/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md" >}})|Medium| O(n)| O(1)||39.1%|
+|0083|Remove Duplicates from Sorted List|[Go]({{< relref "/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md" >}})|Easy| O(n)| O(1)||46.4%|
+|0086|Partition List|[Go]({{< relref "/ChapterFour/0001~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.2%|
+|0092|Reverse Linked List II|[Go]({{< relref "/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md" >}})|Medium| O(n)| O(1)|❤️|40.4%|
+|0109|Convert Sorted List to Binary Search Tree|[Go]({{< relref "/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md" >}})|Medium| O(log n)| O(n)||50.0%|
+|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0100~0199/0138.Copy-List-with-Random-Pointer.md" >}})|Medium||||39.9%|
+|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0100~0199/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.8%|
+|0142|Linked List Cycle II|[Go]({{< relref "/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md" >}})|Medium| O(n)| O(1)|❤️|39.5%|
+|0143|Reorder List|[Go]({{< relref "/ChapterFour/0100~0199/0143.Reorder-List.md" >}})|Medium| O(n)| O(1)|❤️|40.4%|
+|0147|Insertion Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0147.Insertion-Sort-List.md" >}})|Medium| O(n)| O(1)|❤️|44.3%|
+|0148|Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0148.Sort-List.md" >}})|Medium| O(n log n)| O(n)|❤️|46.1%|
+|0160|Intersection of Two Linked Lists|[Go]({{< relref "/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md" >}})|Easy| O(n)| O(1)|❤️|42.9%|
+|0203|Remove Linked List Elements|[Go]({{< relref "/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md" >}})|Easy| O(n)| O(1)||39.1%|
+|0206|Reverse Linked List|[Go]({{< relref "/ChapterFour/0200~0299/0206.Reverse-Linked-List.md" >}})|Easy| O(n)| O(1)||65.0%|
+|0234|Palindrome Linked List|[Go]({{< relref "/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md" >}})|Easy| O(n)| O(1)||40.4%|
+|0237|Delete Node in a Linked List|[Go]({{< relref "/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md" >}})|Easy| O(n)| O(1)||66.6%|
+|0328|Odd Even Linked List|[Go]({{< relref "/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md" >}})|Medium| O(n)| O(1)||57.0%|
+|0445|Add Two Numbers II|[Go]({{< relref "/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md" >}})|Medium| O(n)| O(n)||56.2%|
+|0707|Design Linked List|[Go]({{< relref "/ChapterFour/0700~0799/0707.Design-Linked-List.md" >}})|Medium| O(n)| O(1)||25.8%|
+|0725|Split Linked List in Parts|[Go]({{< relref "/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md" >}})|Medium| O(n)| O(1)||52.9%|
+|0817|Linked List Components|[Go]({{< relref "/ChapterFour/0800~0899/0817.Linked-List-Components.md" >}})|Medium| O(n)| O(1)||57.7%|
+|0876|Middle of the Linked List|[Go]({{< relref "/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md" >}})|Easy| O(n)| O(1)|❤️|69.0%|
+|1019|Next Greater Node In Linked List|[Go]({{< relref "/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md" >}})|Medium| O(n)| O(1)||58.2%|
+|1171|Remove Zero Sum Consecutive Nodes from Linked List|[Go]({{< relref "/ChapterFour/1100~1199/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md" >}})|Medium||||41.5%|
+|1290|Convert Binary Number in a Linked List to Integer|[Go]({{< relref "/ChapterFour/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})|Easy||||81.7%|
+|1669|Merge In Between Linked Lists|[Go]({{< relref "/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md" >}})|Medium||||77.3%|
+|1670|Design Front Middle Back Queue|[Go]({{< relref "/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md" >}})|Medium||||54.6%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Math.md b/website/content/ChapterTwo/Math.md
index 9fe770b4..6b9fe843 100644
--- a/website/content/ChapterTwo/Math.md
+++ b/website/content/ChapterTwo/Math.md
@@ -1,6 +1,7 @@
 ---
-title: Math
+title: 2.12 Math
 type: docs
+weight: 12
 ---
 
 # Math
@@ -8,77 +9,77 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
-|0007|Reverse Integer|[Go]({{< relref "/ChapterFour/0007.Reverse-Integer.md" >}})|Easy||||25.9%|
-|0009|Palindrome Number|[Go]({{< relref "/ChapterFour/0009.Palindrome-Number.md" >}})|Easy||||49.5%|
-|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0013.Roman-to-Integer.md" >}})|Easy||||56.4%|
-|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
-|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.8%|
-|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.2%|
-|0067|Add Binary|[Go]({{< relref "/ChapterFour/0067.Add-Binary.md" >}})|Easy||||46.7%|
-|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
-|0168|Excel Sheet Column Title|[Go]({{< relref "/ChapterFour/0168.Excel-Sheet-Column-Title.md" >}})|Easy||||31.6%|
-|0171|Excel Sheet Column Number|[Go]({{< relref "/ChapterFour/0171.Excel-Sheet-Column-Number.md" >}})|Easy||||56.8%|
-|0172|Factorial Trailing Zeroes|[Go]({{< relref "/ChapterFour/0172.Factorial-Trailing-Zeroes.md" >}})|Easy||||38.4%|
-|0202|Happy Number|[Go]({{< relref "/ChapterFour/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||51.1%|
-|0204|Count Primes|[Go]({{< relref "/ChapterFour/0204.Count-Primes.md" >}})|Easy||||32.1%|
-|0223|Rectangle Area|[Go]({{< relref "/ChapterFour/0223.Rectangle-Area.md" >}})|Medium||||38.1%|
-|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||38.0%|
-|0231|Power of Two|[Go]({{< relref "/ChapterFour/0231.Power-of-Two.md" >}})|Easy| O(1)| O(1)||43.8%|
-|0258|Add Digits|[Go]({{< relref "/ChapterFour/0258.Add-Digits.md" >}})|Easy||||58.4%|
-|0263|Ugly Number|[Go]({{< relref "/ChapterFour/0263.Ugly-Number.md" >}})|Easy| O(log n)| O(1)||41.7%|
-|0268|Missing Number|[Go]({{< relref "/ChapterFour/0268.Missing-Number.md" >}})|Easy||||53.5%|
-|0326|Power of Three|[Go]({{< relref "/ChapterFour/0326.Power-of-Three.md" >}})|Easy| O(1)| O(1)||42.1%|
-|0343|Integer Break|[Go]({{< relref "/ChapterFour/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||51.1%|
-|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
-|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0367.Valid-Perfect-Square.md" >}})|Easy||||42.0%|
-|0372|Super Pow|[Go]({{< relref "/ChapterFour/0372.Super-Pow.md" >}})|Medium||||36.6%|
-|0397|Integer Replacement|[Go]({{< relref "/ChapterFour/0397.Integer-Replacement.md" >}})|Medium||||33.4%|
-|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0441.Arranging-Coins.md" >}})|Easy||||42.3%|
-|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0447.Number-of-Boomerangs.md" >}})|Medium||||52.4%|
-|0453|Minimum Moves to Equal Array Elements|[Go]({{< relref "/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements.md" >}})|Easy||||50.7%|
-|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0483.Smallest-Good-Base.md" >}})|Hard||||36.2%|
-|0507|Perfect Number|[Go]({{< relref "/ChapterFour/0507.Perfect-Number.md" >}})|Easy||||36.0%|
-|0537|Complex Number Multiplication|[Go]({{< relref "/ChapterFour/0537.Complex-Number-Multiplication.md" >}})|Medium||||68.3%|
-|0598|Range Addition II|[Go]({{< relref "/ChapterFour/0598.Range-Addition-II.md" >}})|Easy||||50.0%|
-|0628|Maximum Product of Three Numbers|[Go]({{< relref "/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md" >}})|Easy| O(n)| O(1)||47.0%|
-|0633|Sum of Square Numbers|[Go]({{< relref "/ChapterFour/0633.Sum-of-Square-Numbers.md" >}})|Medium||||32.5%|
-|0645|Set Mismatch|[Go]({{< relref "/ChapterFour/0645.Set-Mismatch.md" >}})|Easy||||42.5%|
-|0753|Cracking the Safe|[Go]({{< relref "/ChapterFour/0753.Cracking-the-Safe.md" >}})|Hard||||52.1%|
-|0781|Rabbits in Forest|[Go]({{< relref "/ChapterFour/0781.Rabbits-in-Forest.md" >}})|Medium||||55.4%|
-|0812|Largest Triangle Area|[Go]({{< relref "/ChapterFour/0812.Largest-Triangle-Area.md" >}})|Easy||||58.9%|
-|0836|Rectangle Overlap|[Go]({{< relref "/ChapterFour/0836.Rectangle-Overlap.md" >}})|Easy||||45.0%|
-|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0878.Nth-Magical-Number.md" >}})|Hard||||28.9%|
-|0885|Spiral Matrix III|[Go]({{< relref "/ChapterFour/0885.Spiral-Matrix-III.md" >}})|Medium| O(n^2)| O(1)||70.6%|
-|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
-|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||32.9%|
-|0892|Surface Area of 3D Shapes|[Go]({{< relref "/ChapterFour/0892.Surface-Area-of-3D-Shapes.md" >}})|Easy||||59.6%|
-|0910|Smallest Range II|[Go]({{< relref "/ChapterFour/0910.Smallest-Range-II.md" >}})|Medium||||31.2%|
-|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||34.3%|
-|0927|Three Equal Parts|[Go]({{< relref "/ChapterFour/0927.Three-Equal-Parts.md" >}})|Hard||||34.5%|
-|0942|DI String Match|[Go]({{< relref "/ChapterFour/0942.DI-String-Match.md" >}})|Easy| O(n)| O(1)||73.4%|
-|0949|Largest Time for Given Digits|[Go]({{< relref "/ChapterFour/0949.Largest-Time-for-Given-Digits.md" >}})|Medium||||36.2%|
-|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard||||36.1%|
-|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0970.Powerful-Integers.md" >}})|Easy||||39.9%|
-|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||58.5%|
-|0996|Number of Squareful Arrays|[Go]({{< relref "/ChapterFour/0996.Number-of-Squareful-Arrays.md" >}})|Hard| O(n log n)| O(n) ||48.0%|
-|1017|Convert to Base -2|[Go]({{< relref "/ChapterFour/1017.Convert-to-Base--2.md" >}})|Medium||||59.6%|
-|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.2%|
-|1037|Valid Boomerang|[Go]({{< relref "/ChapterFour/1037.Valid-Boomerang.md" >}})|Easy||||37.9%|
-|1073|Adding Two Negabinary Numbers|[Go]({{< relref "/ChapterFour/1073.Adding-Two-Negabinary-Numbers.md" >}})|Medium||||34.8%|
-|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1093.Statistics-from-a-Large-Sample.md" >}})|Medium||||49.4%|
-|1154|Day of the Year|[Go]({{< relref "/ChapterFour/1154.Day-of-the-Year.md" >}})|Easy||||49.3%|
-|1175|Prime Arrangements|[Go]({{< relref "/ChapterFour/1175.Prime-Arrangements.md" >}})|Easy||||51.9%|
-|1201|Ugly Number III|[Go]({{< relref "/ChapterFour/1201.Ugly-Number-III.md" >}})|Medium||||26.4%|
-|1217|Minimum Cost to Move Chips to The Same Position|[Go]({{< relref "/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})|Easy||||71.2%|
-|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||43.8%|
-|1281|Subtract the Product and Sum of Digits of an Integer|[Go]({{< relref "/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md" >}})|Easy||||85.6%|
-|1317|Convert Integer to the Sum of Two No-Zero Integers|[Go]({{< relref "/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md" >}})|Easy||||56.8%|
-|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
-|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.3%|
-|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.9%|
-|1680|Concatenation of Consecutive Binary Numbers|[Go]({{< relref "/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers.md" >}})|Medium||||45.1%|
-|1685|Sum of Absolute Differences in a Sorted Array|[Go]({{< relref "/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md" >}})|Medium||||61.7%|
+|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.3%|
+|0007|Reverse Integer|[Go]({{< relref "/ChapterFour/0001~0099/0007.Reverse-Integer.md" >}})|Easy||||25.9%|
+|0009|Palindrome Number|[Go]({{< relref "/ChapterFour/0001~0099/0009.Palindrome-Number.md" >}})|Easy||||49.6%|
+|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0001~0099/0013.Roman-to-Integer.md" >}})|Easy||||56.5%|
+|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0001~0099/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
+|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0001~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.9%|
+|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0001~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.3%|
+|0067|Add Binary|[Go]({{< relref "/ChapterFour/0001~0099/0067.Add-Binary.md" >}})|Easy||||46.8%|
+|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||35.0%|
+|0168|Excel Sheet Column Title|[Go]({{< relref "/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md" >}})|Easy||||31.7%|
+|0171|Excel Sheet Column Number|[Go]({{< relref "/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md" >}})|Easy||||56.8%|
+|0172|Factorial Trailing Zeroes|[Go]({{< relref "/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md" >}})|Easy||||38.5%|
+|0202|Happy Number|[Go]({{< relref "/ChapterFour/0200~0299/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||51.2%|
+|0204|Count Primes|[Go]({{< relref "/ChapterFour/0200~0299/0204.Count-Primes.md" >}})|Easy||||32.2%|
+|0223|Rectangle Area|[Go]({{< relref "/ChapterFour/0200~0299/0223.Rectangle-Area.md" >}})|Medium||||38.2%|
+|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0200~0299/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||38.1%|
+|0231|Power of Two|[Go]({{< relref "/ChapterFour/0200~0299/0231.Power-of-Two.md" >}})|Easy| O(1)| O(1)||43.8%|
+|0258|Add Digits|[Go]({{< relref "/ChapterFour/0200~0299/0258.Add-Digits.md" >}})|Easy||||58.4%|
+|0263|Ugly Number|[Go]({{< relref "/ChapterFour/0200~0299/0263.Ugly-Number.md" >}})|Easy| O(log n)| O(1)||41.7%|
+|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy||||53.7%|
+|0326|Power of Three|[Go]({{< relref "/ChapterFour/0300~0399/0326.Power-of-Three.md" >}})|Easy| O(1)| O(1)||42.1%|
+|0343|Integer Break|[Go]({{< relref "/ChapterFour/0300~0399/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||51.1%|
+|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||48.8%|
+|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md" >}})|Easy||||42.0%|
+|0372|Super Pow|[Go]({{< relref "/ChapterFour/0300~0399/0372.Super-Pow.md" >}})|Medium||||36.7%|
+|0397|Integer Replacement|[Go]({{< relref "/ChapterFour/0300~0399/0397.Integer-Replacement.md" >}})|Medium||||33.4%|
+|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0400~0499/0441.Arranging-Coins.md" >}})|Easy||||42.3%|
+|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md" >}})|Medium||||52.4%|
+|0453|Minimum Moves to Equal Array Elements|[Go]({{< relref "/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md" >}})|Easy||||50.8%|
+|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0400~0499/0483.Smallest-Good-Base.md" >}})|Hard||||36.2%|
+|0507|Perfect Number|[Go]({{< relref "/ChapterFour/0500~0599/0507.Perfect-Number.md" >}})|Easy||||36.1%|
+|0537|Complex Number Multiplication|[Go]({{< relref "/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md" >}})|Medium||||68.3%|
+|0598|Range Addition II|[Go]({{< relref "/ChapterFour/0500~0599/0598.Range-Addition-II.md" >}})|Easy||||50.1%|
+|0628|Maximum Product of Three Numbers|[Go]({{< relref "/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md" >}})|Easy| O(n)| O(1)||46.9%|
+|0633|Sum of Square Numbers|[Go]({{< relref "/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md" >}})|Medium||||32.5%|
+|0645|Set Mismatch|[Go]({{< relref "/ChapterFour/0600~0699/0645.Set-Mismatch.md" >}})|Easy||||42.5%|
+|0753|Cracking the Safe|[Go]({{< relref "/ChapterFour/0700~0799/0753.Cracking-the-Safe.md" >}})|Hard||||52.2%|
+|0781|Rabbits in Forest|[Go]({{< relref "/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md" >}})|Medium||||55.4%|
+|0812|Largest Triangle Area|[Go]({{< relref "/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md" >}})|Easy||||58.9%|
+|0836|Rectangle Overlap|[Go]({{< relref "/ChapterFour/0800~0899/0836.Rectangle-Overlap.md" >}})|Easy||||44.8%|
+|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0800~0899/0878.Nth-Magical-Number.md" >}})|Hard||||28.9%|
+|0885|Spiral Matrix III|[Go]({{< relref "/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md" >}})|Medium| O(n^2)| O(1)||70.7%|
+|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0800~0899/0887.Super-Egg-Drop.md" >}})|Hard||||27.0%|
+|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||32.9%|
+|0892|Surface Area of 3D Shapes|[Go]({{< relref "/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md" >}})|Easy||||59.7%|
+|0910|Smallest Range II|[Go]({{< relref "/ChapterFour/0900~0999/0910.Smallest-Range-II.md" >}})|Medium||||31.3%|
+|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||34.3%|
+|0927|Three Equal Parts|[Go]({{< relref "/ChapterFour/0900~0999/0927.Three-Equal-Parts.md" >}})|Hard||||34.6%|
+|0942|DI String Match|[Go]({{< relref "/ChapterFour/0900~0999/0942.DI-String-Match.md" >}})|Easy| O(n)| O(1)||73.5%|
+|0949|Largest Time for Given Digits|[Go]({{< relref "/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md" >}})|Medium||||36.2%|
+|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard||||36.1%|
+|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0900~0999/0970.Powerful-Integers.md" >}})|Medium||||39.9%|
+|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||58.5%|
+|0996|Number of Squareful Arrays|[Go]({{< relref "/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md" >}})|Hard| O(n log n)| O(n) ||48.3%|
+|1017|Convert to Base -2|[Go]({{< relref "/ChapterFour/1000~1099/1017.Convert-to-Base--2.md" >}})|Medium||||59.6%|
+|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1000~1099/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.2%|
+|1037|Valid Boomerang|[Go]({{< relref "/ChapterFour/1000~1099/1037.Valid-Boomerang.md" >}})|Easy||||37.8%|
+|1073|Adding Two Negabinary Numbers|[Go]({{< relref "/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md" >}})|Medium||||34.8%|
+|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md" >}})|Medium||||49.4%|
+|1154|Day of the Year|[Go]({{< relref "/ChapterFour/1100~1199/1154.Day-of-the-Year.md" >}})|Easy||||49.3%|
+|1175|Prime Arrangements|[Go]({{< relref "/ChapterFour/1100~1199/1175.Prime-Arrangements.md" >}})|Easy||||52.0%|
+|1201|Ugly Number III|[Go]({{< relref "/ChapterFour/1200~1299/1201.Ugly-Number-III.md" >}})|Medium||||26.4%|
+|1217|Minimum Cost to Move Chips to The Same Position|[Go]({{< relref "/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})|Easy||||71.2%|
+|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||43.7%|
+|1281|Subtract the Product and Sum of Digits of an Integer|[Go]({{< relref "/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md" >}})|Easy||||85.6%|
+|1317|Convert Integer to the Sum of Two No-Zero Integers|[Go]({{< relref "/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md" >}})|Easy||||56.8%|
+|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.8%|
+|1641|Count Sorted Vowel Strings|[Go]({{< relref "/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md" >}})|Medium||||77.0%|
+|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.8%|
+|1680|Concatenation of Consecutive Binary Numbers|[Go]({{< relref "/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md" >}})|Medium||||52.4%|
+|1685|Sum of Absolute Differences in a Sorted Array|[Go]({{< relref "/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md" >}})|Medium||||61.8%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Segment_Tree.md b/website/content/ChapterTwo/Segment_Tree.md
index 5ddeadd6..724c2691 100644
--- a/website/content/ChapterTwo/Segment_Tree.md
+++ b/website/content/ChapterTwo/Segment_Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Segment Tree
+title: 2.18 ✅ Segment Tree
 type: docs
+weight: 18
 ---
 
 # Segment Tree
@@ -36,20 +37,22 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0218|The Skyline Problem|[Go]({{< relref "/ChapterFour/0218.The-Skyline-Problem.md" >}})|Hard| O(n log n)| O(n)|❤️|36.2%|
-|0307|Range Sum Query - Mutable|[Go]({{< relref "/ChapterFour/0307.Range-Sum-Query---Mutable.md" >}})|Medium| O(1)| O(n)||36.6%|
-|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard| O(n log n)| O(n)||42.6%|
-|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0327.Count-of-Range-Sum.md" >}})|Hard| O(n log n)| O(n)|❤️|35.9%|
-|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0493.Reverse-Pairs.md" >}})|Hard| O(n log n)| O(n)||26.6%|
-|0699|Falling Squares|[Go]({{< relref "/ChapterFour/0699.Falling-Squares.md" >}})|Hard| O(n log n)| O(n)|❤️|42.4%|
-|0715|Range Module|[Go]({{< relref "/ChapterFour/0715.Range-Module.md" >}})|Hard| O(log n)| O(n)|❤️|40.1%|
-|0732|My Calendar III|[Go]({{< relref "/ChapterFour/0732.My-Calendar-III.md" >}})|Hard| O(log n)| O(n)|❤️|61.5%|
-|0850|Rectangle Area II|[Go]({{< relref "/ChapterFour/0850.Rectangle-Area-II.md" >}})|Hard| O(n log n)| O(n)|❤️|48.3%|
-|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard| O(log n)| O(n)|❤️|39.6%|
-|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.2%|
+|0218|The Skyline Problem|[Go]({{< relref "/ChapterFour/0200~0299/0218.The-Skyline-Problem.md" >}})|Hard| O(n log n)| O(n)|❤️|36.2%|
+|0307|Range Sum Query - Mutable|[Go]({{< relref "/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md" >}})|Medium| O(1)| O(n)||36.6%|
+|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard| O(n log n)| O(n)||42.6%|
+|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md" >}})|Hard| O(n log n)| O(n)|❤️|36.0%|
+|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0400~0499/0493.Reverse-Pairs.md" >}})|Hard| O(n log n)| O(n)||26.7%|
+|0699|Falling Squares|[Go]({{< relref "/ChapterFour/0600~0699/0699.Falling-Squares.md" >}})|Hard| O(n log n)| O(n)|❤️|42.5%|
+|0715|Range Module|[Go]({{< relref "/ChapterFour/0700~0799/0715.Range-Module.md" >}})|Hard| O(log n)| O(n)|❤️|40.2%|
+|0732|My Calendar III|[Go]({{< relref "/ChapterFour/0700~0799/0732.My-Calendar-III.md" >}})|Hard| O(log n)| O(n)|❤️|61.6%|
+|0850|Rectangle Area II|[Go]({{< relref "/ChapterFour/0800~0899/0850.Rectangle-Area-II.md" >}})|Hard| O(n log n)| O(n)|❤️|48.3%|
+|1157|Online Majority Element In Subarray|[Go]({{< relref "/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md" >}})|Hard| O(log n)| O(n)|❤️|39.6%|
+|1649|Create Sorted Array through Instructions|[Go]({{< relref "/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md" >}})|Hard||||36.3%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
+
+
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Sliding_Window/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Sliding_Window.md b/website/content/ChapterTwo/Sliding_Window.md
index 2c6dd05f..dc18972c 100644
--- a/website/content/ChapterTwo/Sliding_Window.md
+++ b/website/content/ChapterTwo/Sliding_Window.md
@@ -1,6 +1,7 @@
 ---
-title: Sliding Window
+title: 2.17 ✅ Sliding Window
 type: docs
+weight: 17
 ---
 
 # Sliding Window
@@ -28,24 +29,26 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0239|Sliding Window Maximum|[Go]({{< relref "/ChapterFour/0239.Sliding-Window-Maximum.md" >}})|Hard| O(n * k)| O(n)|❤️|44.5%|
-|0424|Longest Repeating Character Replacement|[Go]({{< relref "/ChapterFour/0424.Longest-Repeating-Character-Replacement.md" >}})|Medium| O(n)| O(1) ||48.0%|
-|0480|Sliding Window Median|[Go]({{< relref "/ChapterFour/0480.Sliding-Window-Median.md" >}})|Hard| O(n * log k)| O(k)|❤️|38.5%|
-|0567|Permutation in String|[Go]({{< relref "/ChapterFour/0567.Permutation-in-String.md" >}})|Medium| O(n)| O(1)|❤️|44.6%|
-|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0978.Longest-Turbulent-Subarray.md" >}})|Medium| O(n)| O(1)|❤️|46.6%|
-|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)|❤️|50.5%|
-|0995|Minimum Number of K Consecutive Bit Flips|[Go]({{< relref "/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md" >}})|Hard| O(n)| O(1)|❤️|49.6%|
-|1004|Max Consecutive Ones III|[Go]({{< relref "/ChapterFour/1004.Max-Consecutive-Ones-III.md" >}})|Medium| O(n)| O(1) ||60.6%|
-|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium| O(n log n)| O(1) |❤️|53.9%|
-|1052|Grumpy Bookstore Owner|[Go]({{< relref "/ChapterFour/1052.Grumpy-Bookstore-Owner.md" >}})|Medium| O(n log n)| O(1) ||55.7%|
-|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard| O(n^3)| O(n) |❤️|61.5%|
-|1208|Get Equal Substrings Within Budget|[Go]({{< relref "/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md" >}})|Medium||||43.7%|
-|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.4%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.9%|
+|0239|Sliding Window Maximum|[Go]({{< relref "/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md" >}})|Hard| O(n * k)| O(n)|❤️|44.6%|
+|0424|Longest Repeating Character Replacement|[Go]({{< relref "/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md" >}})|Medium| O(n)| O(1) ||48.1%|
+|0480|Sliding Window Median|[Go]({{< relref "/ChapterFour/0400~0499/0480.Sliding-Window-Median.md" >}})|Hard| O(n * log k)| O(k)|❤️|38.6%|
+|0567|Permutation in String|[Go]({{< relref "/ChapterFour/0500~0599/0567.Permutation-in-String.md" >}})|Medium| O(n)| O(1)|❤️|44.6%|
+|0978|Longest Turbulent Subarray|[Go]({{< relref "/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md" >}})|Medium| O(n)| O(1)|❤️|46.6%|
+|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)|❤️|50.6%|
+|0995|Minimum Number of K Consecutive Bit Flips|[Go]({{< relref "/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md" >}})|Hard| O(n)| O(1)|❤️|49.7%|
+|1004|Max Consecutive Ones III|[Go]({{< relref "/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md" >}})|Medium| O(n)| O(1) ||60.7%|
+|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium| O(n log n)| O(1) |❤️|54.1%|
+|1052|Grumpy Bookstore Owner|[Go]({{< relref "/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md" >}})|Medium| O(n log n)| O(1) ||55.8%|
+|1074|Number of Submatrices That Sum to Target|[Go]({{< relref "/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})|Hard| O(n^3)| O(n) |❤️|61.7%|
+|1208|Get Equal Substrings Within Budget|[Go]({{< relref "/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md" >}})|Medium||||43.8%|
+|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
+
+
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Union_Find/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Sort.md b/website/content/ChapterTwo/Sort.md
index 6779a1e0..b8aef3be 100644
--- a/website/content/ChapterTwo/Sort.md
+++ b/website/content/ChapterTwo/Sort.md
@@ -1,6 +1,7 @@
 ---
-title: Sort
+title: 2.14 ✅ Sort
 type: docs
+weight: 14
 ---
 
 # Sort
@@ -17,39 +18,39 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(log n)||40.7%|
-|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.0%|
-|0147|Insertion Sort List|[Go]({{< relref "/ChapterFour/0147.Insertion-Sort-List.md" >}})|Medium| O(n)| O(1) |❤️|44.2%|
-|0148|Sort List|[Go]({{< relref "/ChapterFour/0148.Sort-List.md" >}})|Medium|O(n log n)| O(log n)|❤️|45.9%|
-|0164|Maximum Gap|[Go]({{< relref "/ChapterFour/0164.Maximum-Gap.md" >}})|Hard| O(n log n)| O(log n) |❤️|36.6%|
-|0179|Largest Number|[Go]({{< relref "/ChapterFour/0179.Largest-Number.md" >}})|Medium| O(n log n)| O(log n) |❤️|30.5%|
-|0220|Contains Duplicate III|[Go]({{< relref "/ChapterFour/0220.Contains-Duplicate-III.md" >}})|Medium| O(n log n)| O(1) |❤️|21.3%|
-|0242|Valid Anagram|[Go]({{< relref "/ChapterFour/0242.Valid-Anagram.md" >}})|Easy| O(n)| O(n) ||58.0%|
-|0274|H-Index|[Go]({{< relref "/ChapterFour/0274.H-Index.md" >}})|Medium|  O(n)| O(n) ||36.3%|
-|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
-|0324|Wiggle Sort II|[Go]({{< relref "/ChapterFour/0324.Wiggle-Sort-II.md" >}})|Medium| O(n)| O(n)|❤️|30.6%|
-|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0327.Count-of-Range-Sum.md" >}})|Hard||||35.9%|
-|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.5%|
-|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
-|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0493.Reverse-Pairs.md" >}})|Hard||||26.6%|
-|0524|Longest Word in Dictionary through Deleting|[Go]({{< relref "/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md" >}})|Medium| O(n)| O(1) ||48.9%|
-|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.6%|
-|0767|Reorganize String|[Go]({{< relref "/ChapterFour/0767.Reorganize-String.md" >}})|Medium| O(n log n)| O(log n)  |❤️|49.9%|
-|0853|Car Fleet|[Go]({{< relref "/ChapterFour/0853.Car-Fleet.md" >}})|Medium| O(n log n)| O(log n)  ||43.6%|
-|0922|Sort Array By Parity II|[Go]({{< relref "/ChapterFour/0922.Sort-Array-By-Parity-II.md" >}})|Easy| O(n)| O(1) ||70.4%|
-|0969|Pancake Sorting|[Go]({{< relref "/ChapterFour/0969.Pancake-Sorting.md" >}})|Medium| O(n log n)| O(log n) |❤️|68.6%|
-|0973|K Closest Points to Origin|[Go]({{< relref "/ChapterFour/0973.K-Closest-Points-to-Origin.md" >}})|Medium| O(n log n)| O(log n) ||64.5%|
-|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||58.5%|
-|1030|Matrix Cells in Distance Order|[Go]({{< relref "/ChapterFour/1030.Matrix-Cells-in-Distance-Order.md" >}})|Easy| O(n^2)| O(1) ||66.9%|
-|1054|Distant Barcodes|[Go]({{< relref "/ChapterFour/1054.Distant-Barcodes.md" >}})|Medium| O(n log n)| O(log n) |❤️|44.2%|
-|1122|Relative Sort Array|[Go]({{< relref "/ChapterFour/1122.Relative-Sort-Array.md" >}})|Easy||||67.9%|
-|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.0%|
-|1305|All Elements in Two Binary Search Trees|[Go]({{< relref "/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md" >}})|Medium||||77.8%|
-|1329|Sort the Matrix Diagonally|[Go]({{< relref "/ChapterFour/1329.Sort-the-Matrix-Diagonally.md" >}})|Medium||||81.8%|
-|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.7%|
-|1647|Minimum Deletions to Make Character Frequencies Unique|[Go]({{< relref "/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md" >}})|Medium||||53.9%|
-|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.9%|
+|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0001~0099/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(log n)||40.9%|
+|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0001~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||35.0%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.2%|
+|0147|Insertion Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0147.Insertion-Sort-List.md" >}})|Medium| O(n)| O(1) |❤️|44.3%|
+|0148|Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0148.Sort-List.md" >}})|Medium|O(n log n)| O(log n)|❤️|46.1%|
+|0164|Maximum Gap|[Go]({{< relref "/ChapterFour/0100~0199/0164.Maximum-Gap.md" >}})|Hard| O(n log n)| O(log n) |❤️|36.7%|
+|0179|Largest Number|[Go]({{< relref "/ChapterFour/0100~0199/0179.Largest-Number.md" >}})|Medium| O(n log n)| O(log n) |❤️|30.6%|
+|0220|Contains Duplicate III|[Go]({{< relref "/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md" >}})|Medium| O(n log n)| O(1) |❤️|21.3%|
+|0242|Valid Anagram|[Go]({{< relref "/ChapterFour/0200~0299/0242.Valid-Anagram.md" >}})|Easy| O(n)| O(n) ||58.1%|
+|0274|H-Index|[Go]({{< relref "/ChapterFour/0200~0299/0274.H-Index.md" >}})|Medium|  O(n)| O(n) ||36.3%|
+|0315|Count of Smaller Numbers After Self|[Go]({{< relref "/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md" >}})|Hard||||42.6%|
+|0324|Wiggle Sort II|[Go]({{< relref "/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md" >}})|Medium| O(n)| O(n)|❤️|30.6%|
+|0327|Count of Range Sum|[Go]({{< relref "/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md" >}})|Hard||||36.0%|
+|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.6%|
+|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
+|0493|Reverse Pairs|[Go]({{< relref "/ChapterFour/0400~0499/0493.Reverse-Pairs.md" >}})|Hard||||26.7%|
+|0524|Longest Word in Dictionary through Deleting|[Go]({{< relref "/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md" >}})|Medium| O(n)| O(1) ||49.0%|
+|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md" >}})|Hard| O(n)| O(n)  ||32.7%|
+|0767|Reorganize String|[Go]({{< relref "/ChapterFour/0700~0799/0767.Reorganize-String.md" >}})|Medium| O(n log n)| O(log n)  |❤️|50.0%|
+|0853|Car Fleet|[Go]({{< relref "/ChapterFour/0800~0899/0853.Car-Fleet.md" >}})|Medium| O(n log n)| O(log n)  ||43.7%|
+|0922|Sort Array By Parity II|[Go]({{< relref "/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md" >}})|Easy| O(n)| O(1) ||70.5%|
+|0969|Pancake Sorting|[Go]({{< relref "/ChapterFour/0900~0999/0969.Pancake-Sorting.md" >}})|Medium| O(n log n)| O(log n) |❤️|68.6%|
+|0973|K Closest Points to Origin|[Go]({{< relref "/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md" >}})|Medium| O(n log n)| O(log n) ||64.6%|
+|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||58.5%|
+|1030|Matrix Cells in Distance Order|[Go]({{< relref "/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md" >}})|Easy| O(n^2)| O(1) ||66.9%|
+|1054|Distant Barcodes|[Go]({{< relref "/ChapterFour/1000~1099/1054.Distant-Barcodes.md" >}})|Medium| O(n log n)| O(log n) |❤️|44.2%|
+|1122|Relative Sort Array|[Go]({{< relref "/ChapterFour/1100~1199/1122.Relative-Sort-Array.md" >}})|Easy||||68.1%|
+|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.3%|
+|1305|All Elements in Two Binary Search Trees|[Go]({{< relref "/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md" >}})|Medium||||77.8%|
+|1329|Sort the Matrix Diagonally|[Go]({{< relref "/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md" >}})|Medium||||81.8%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.2%|
+|1647|Minimum Deletions to Make Character Frequencies Unique|[Go]({{< relref "/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md" >}})|Medium||||54.3%|
+|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.8%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Stack.md b/website/content/ChapterTwo/Stack.md
index 484ed030..dadcaf82 100644
--- a/website/content/ChapterTwo/Stack.md
+++ b/website/content/ChapterTwo/Stack.md
@@ -1,6 +1,7 @@
 ---
-title: Stack
+title: 2.05 ✅ Stack
 type: docs
+weight: 5
 ---
 
 # Stack
@@ -16,45 +17,45 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.8%|
-|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)|❤️|33.6%|
-|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|36.9%|
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
-|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||49.8%|
-|0144|Binary Tree Preorder Traversal|[Go]({{< relref "/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
-|0145|Binary Tree Postorder Traversal|[Go]({{< relref "/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
-|0150|Evaluate Reverse Polish Notation|[Go]({{< relref "/ChapterFour/0150.Evaluate-Reverse-Polish-Notation.md" >}})|Medium| O(n)| O(1)||37.6%|
-|0155|Min Stack|[Go]({{< relref "/ChapterFour/0155.Min-Stack.md" >}})|Easy| O(n)| O(n)||46.1%|
-|0173|Binary Search Tree Iterator|[Go]({{< relref "/ChapterFour/0173.Binary-Search-Tree-Iterator.md" >}})|Medium| O(n)| O(1)||59.7%|
-|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||38.0%|
-|0225|Implement Stack using Queues|[Go]({{< relref "/ChapterFour/0225.Implement-Stack-using-Queues.md" >}})|Easy| O(n)| O(n)||47.0%|
-|0232|Implement Queue using Stacks|[Go]({{< relref "/ChapterFour/0232.Implement-Queue-using-Stacks.md" >}})|Easy| O(n)| O(n)||51.7%|
-|0331|Verify Preorder Serialization of a Binary Tree|[Go]({{< relref "/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md" >}})|Medium| O(n)| O(1)||40.9%|
-|0385|Mini Parser|[Go]({{< relref "/ChapterFour/0385.Mini-Parser.md" >}})|Medium||||34.3%|
-|0394|Decode String|[Go]({{< relref "/ChapterFour/0394.Decode-String.md" >}})|Medium| O(n)| O(n)||52.4%|
-|0402|Remove K Digits|[Go]({{< relref "/ChapterFour/0402.Remove-K-Digits.md" >}})|Medium| O(n)| O(1)||28.6%|
-|0456|132 Pattern|[Go]({{< relref "/ChapterFour/0456.132-Pattern.md" >}})|Medium| O(n)| O(n)||30.6%|
-|0496|Next Greater Element I|[Go]({{< relref "/ChapterFour/0496.Next-Greater-Element-I.md" >}})|Easy| O(n)| O(n)||65.2%|
-|0503|Next Greater Element II|[Go]({{< relref "/ChapterFour/0503.Next-Greater-Element-II.md" >}})|Medium| O(n)| O(n)||58.2%|
-|0636|Exclusive Time of Functions|[Go]({{< relref "/ChapterFour/0636.Exclusive-Time-of-Functions.md" >}})|Medium| O(n)| O(n)||54.0%|
-|0682|Baseball Game|[Go]({{< relref "/ChapterFour/0682.Baseball-Game.md" >}})|Easy| O(n)| O(n)||66.2%|
-|0726|Number of Atoms|[Go]({{< relref "/ChapterFour/0726.Number-of-Atoms.md" >}})|Hard| O(n)| O(n) |❤️|51.0%|
-|0735|Asteroid Collision|[Go]({{< relref "/ChapterFour/0735.Asteroid-Collision.md" >}})|Medium| O(n)| O(n) ||43.2%|
-|0739|Daily Temperatures|[Go]({{< relref "/ChapterFour/0739.Daily-Temperatures.md" >}})|Medium| O(n)| O(n) ||64.4%|
-|0844|Backspace String Compare|[Go]({{< relref "/ChapterFour/0844.Backspace-String-Compare.md" >}})|Easy| O(n)| O(n) ||46.8%|
-|0856|Score of Parentheses|[Go]({{< relref "/ChapterFour/0856.Score-of-Parentheses.md" >}})|Medium| O(n)| O(n)||62.3%|
-|0880|Decoded String at Index|[Go]({{< relref "/ChapterFour/0880.Decoded-String-at-Index.md" >}})|Medium| O(n)| O(n)||28.3%|
-|0895|Maximum Frequency Stack|[Go]({{< relref "/ChapterFour/0895.Maximum-Frequency-Stack.md" >}})|Hard| O(n)| O(n)  ||62.2%|
-|0901|Online Stock Span|[Go]({{< relref "/ChapterFour/0901.Online-Stock-Span.md" >}})|Medium| O(n)| O(n)  ||61.2%|
-|0907|Sum of Subarray Minimums|[Go]({{< relref "/ChapterFour/0907.Sum-of-Subarray-Minimums.md" >}})|Medium| O(n)| O(n)|❤️|33.2%|
-|0921|Minimum Add to Make Parentheses Valid|[Go]({{< relref "/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid.md" >}})|Medium| O(n)| O(n)||74.7%|
-|0946|Validate Stack Sequences|[Go]({{< relref "/ChapterFour/0946.Validate-Stack-Sequences.md" >}})|Medium| O(n)| O(n)||63.5%|
-|1003|Check If Word Is Valid After Substitutions|[Go]({{< relref "/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md" >}})|Medium| O(n)| O(1)||56.2%|
-|1019|Next Greater Node In Linked List|[Go]({{< relref "/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md" >}})|Medium| O(n)| O(1)||58.2%|
-|1021|Remove Outermost Parentheses|[Go]({{< relref "/ChapterFour/1021.Remove-Outermost-Parentheses.md" >}})|Easy| O(n)| O(1)||78.7%|
-|1047|Remove All Adjacent Duplicates In String|[Go]({{< relref "/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String.md" >}})|Easy| O(n)| O(1)||70.3%|
-|1673|Find the Most Competitive Subsequence|[Go]({{< relref "/ChapterFour/1673.Find-the-Most-Competitive-Subsequence.md" >}})|Medium||||45.1%|
+|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0001~0099/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|51.0%|
+|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0001~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)|❤️|34.6%|
+|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|37.0%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.7%|
+|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||50.0%|
+|0144|Binary Tree Preorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.3%|
+|0145|Binary Tree Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.4%|
+|0150|Evaluate Reverse Polish Notation|[Go]({{< relref "/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md" >}})|Medium| O(n)| O(1)||37.8%|
+|0155|Min Stack|[Go]({{< relref "/ChapterFour/0100~0199/0155.Min-Stack.md" >}})|Easy| O(n)| O(n)||46.2%|
+|0173|Binary Search Tree Iterator|[Go]({{< relref "/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md" >}})|Medium| O(n)| O(1)||59.9%|
+|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0200~0299/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||38.1%|
+|0225|Implement Stack using Queues|[Go]({{< relref "/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md" >}})|Easy| O(n)| O(n)||47.1%|
+|0232|Implement Queue using Stacks|[Go]({{< relref "/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md" >}})|Easy| O(n)| O(n)||51.9%|
+|0331|Verify Preorder Serialization of a Binary Tree|[Go]({{< relref "/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md" >}})|Medium| O(n)| O(1)||40.9%|
+|0385|Mini Parser|[Go]({{< relref "/ChapterFour/0300~0399/0385.Mini-Parser.md" >}})|Medium||||34.5%|
+|0394|Decode String|[Go]({{< relref "/ChapterFour/0300~0399/0394.Decode-String.md" >}})|Medium| O(n)| O(n)||52.5%|
+|0402|Remove K Digits|[Go]({{< relref "/ChapterFour/0400~0499/0402.Remove-K-Digits.md" >}})|Medium| O(n)| O(1)||28.6%|
+|0456|132 Pattern|[Go]({{< relref "/ChapterFour/0400~0499/0456.132-Pattern.md" >}})|Medium| O(n)| O(n)||30.6%|
+|0496|Next Greater Element I|[Go]({{< relref "/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md" >}})|Easy| O(n)| O(n)||65.3%|
+|0503|Next Greater Element II|[Go]({{< relref "/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md" >}})|Medium| O(n)| O(n)||58.3%|
+|0636|Exclusive Time of Functions|[Go]({{< relref "/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md" >}})|Medium| O(n)| O(n)||54.2%|
+|0682|Baseball Game|[Go]({{< relref "/ChapterFour/0600~0699/0682.Baseball-Game.md" >}})|Easy| O(n)| O(n)||66.5%|
+|0726|Number of Atoms|[Go]({{< relref "/ChapterFour/0700~0799/0726.Number-of-Atoms.md" >}})|Hard| O(n)| O(n) |❤️|51.1%|
+|0735|Asteroid Collision|[Go]({{< relref "/ChapterFour/0700~0799/0735.Asteroid-Collision.md" >}})|Medium| O(n)| O(n) ||43.2%|
+|0739|Daily Temperatures|[Go]({{< relref "/ChapterFour/0700~0799/0739.Daily-Temperatures.md" >}})|Medium| O(n)| O(n) ||64.5%|
+|0844|Backspace String Compare|[Go]({{< relref "/ChapterFour/0800~0899/0844.Backspace-String-Compare.md" >}})|Easy| O(n)| O(n) ||46.9%|
+|0856|Score of Parentheses|[Go]({{< relref "/ChapterFour/0800~0899/0856.Score-of-Parentheses.md" >}})|Medium| O(n)| O(n)||62.3%|
+|0880|Decoded String at Index|[Go]({{< relref "/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md" >}})|Medium| O(n)| O(n)||28.3%|
+|0895|Maximum Frequency Stack|[Go]({{< relref "/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md" >}})|Hard| O(n)| O(n)  ||62.2%|
+|0901|Online Stock Span|[Go]({{< relref "/ChapterFour/0900~0999/0901.Online-Stock-Span.md" >}})|Medium| O(n)| O(n)  ||61.3%|
+|0907|Sum of Subarray Minimums|[Go]({{< relref "/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md" >}})|Medium| O(n)| O(n)|❤️|33.1%|
+|0921|Minimum Add to Make Parentheses Valid|[Go]({{< relref "/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md" >}})|Medium| O(n)| O(n)||74.7%|
+|0946|Validate Stack Sequences|[Go]({{< relref "/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md" >}})|Medium| O(n)| O(n)||63.6%|
+|1003|Check If Word Is Valid After Substitutions|[Go]({{< relref "/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md" >}})|Medium| O(n)| O(1)||56.3%|
+|1019|Next Greater Node In Linked List|[Go]({{< relref "/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md" >}})|Medium| O(n)| O(1)||58.2%|
+|1021|Remove Outermost Parentheses|[Go]({{< relref "/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md" >}})|Easy| O(n)| O(1)||78.8%|
+|1047|Remove All Adjacent Duplicates In String|[Go]({{< relref "/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md" >}})|Easy| O(n)| O(1)||70.5%|
+|1673|Find the Most Competitive Subsequence|[Go]({{< relref "/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md" >}})|Medium||||45.2%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/String.md b/website/content/ChapterTwo/String.md
index 162f1590..f150f809 100644
--- a/website/content/ChapterTwo/String.md
+++ b/website/content/ChapterTwo/String.md
@@ -1,6 +1,7 @@
 ---
-title: String
+title: 2.02 String
 type: docs
+weight: 2
 ---
 
 # String
@@ -8,49 +9,49 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0013.Roman-to-Integer.md" >}})|Easy||||56.4%|
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.8%|
-|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
-|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||64.9%|
-|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0067|Add Binary|[Go]({{< relref "/ChapterFour/0067.Add-Binary.md" >}})|Easy||||46.7%|
-|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)||33.6%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
-|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
-|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.0%|
-|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
-|0151|Reverse Words in a String|[Go]({{< relref "/ChapterFour/0151.Reverse-Words-in-a-String.md" >}})|Medium||||23.4%|
-|0344|Reverse String|[Go]({{< relref "/ChapterFour/0344.Reverse-String.md" >}})|Easy| O(n)| O(1)||70.1%|
-|0345|Reverse Vowels of a String|[Go]({{< relref "/ChapterFour/0345.Reverse-Vowels-of-a-String.md" >}})|Easy| O(n)| O(1)||44.9%|
-|0385|Mini Parser|[Go]({{< relref "/ChapterFour/0385.Mini-Parser.md" >}})|Medium||||34.3%|
-|0387|First Unique Character in a String|[Go]({{< relref "/ChapterFour/0387.First-Unique-Character-in-a-String.md" >}})|Easy||||53.7%|
-|0537|Complex Number Multiplication|[Go]({{< relref "/ChapterFour/0537.Complex-Number-Multiplication.md" >}})|Medium||||68.3%|
-|0541|Reverse String II|[Go]({{< relref "/ChapterFour/0541.Reverse-String-II.md" >}})|Easy||||49.0%|
-|0557|Reverse Words in a String III|[Go]({{< relref "/ChapterFour/0557.Reverse-Words-in-a-String-III.md" >}})|Easy||||71.6%|
-|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.0%|
-|0767|Reorganize String|[Go]({{< relref "/ChapterFour/0767.Reorganize-String.md" >}})|Medium| O(n log n)| O(log n)  |❤️|49.9%|
-|0819|Most Common Word|[Go]({{< relref "/ChapterFour/0819.Most-Common-Word.md" >}})|Easy||||45.4%|
-|0842|Split Array into Fibonacci Sequence|[Go]({{< relref "/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md" >}})|Medium| O(n^2)| O(1)|❤️|36.7%|
-|0856|Score of Parentheses|[Go]({{< relref "/ChapterFour/0856.Score-of-Parentheses.md" >}})|Medium| O(n)| O(n)||62.3%|
-|0925|Long Pressed Name|[Go]({{< relref "/ChapterFour/0925.Long-Pressed-Name.md" >}})|Easy| O(n)| O(1)||38.3%|
-|1003|Check If Word Is Valid After Substitutions|[Go]({{< relref "/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md" >}})|Medium| O(n)| O(1)||56.2%|
-|1108|Defanging an IP Address|[Go]({{< relref "/ChapterFour/1108.Defanging-an-IP-Address.md" >}})|Easy||||88.5%|
-|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
-|1189|Maximum Number of Balloons|[Go]({{< relref "/ChapterFour/1189.Maximum-Number-of-Balloons.md" >}})|Easy||||61.7%|
-|1221|Split a String in Balanced Strings|[Go]({{< relref "/ChapterFour/1221.Split-a-String-in-Balanced-Strings.md" >}})|Easy||||84.1%|
-|1234|Replace the Substring for Balanced String|[Go]({{< relref "/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md" >}})|Medium||||34.4%|
-|1455|Check If a Word Occurs As a Prefix of Any Word in a Sentence|[Go]({{< relref "/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md" >}})|Easy||||64.6%|
-|1573|Number of Ways to Split a String|[Go]({{< relref "/ChapterFour/1573.Number-of-Ways-to-Split-a-String.md" >}})|Medium||||30.9%|
-|1653|Minimum Deletions to Make String Balanced|[Go]({{< relref "/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced.md" >}})|Medium||||50.2%|
-|1662|Check If Two String Arrays are Equivalent|[Go]({{< relref "/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent.md" >}})|Easy||||83.5%|
-|1668|Maximum Repeating Substring|[Go]({{< relref "/ChapterFour/1668.Maximum-Repeating-Substring.md" >}})|Easy||||38.6%|
-|1678|Goal Parser Interpretation|[Go]({{< relref "/ChapterFour/1678.Goal-Parser-Interpretation.md" >}})|Easy||||86.3%|
-|1684|Count the Number of Consistent Strings|[Go]({{< relref "/ChapterFour/1684.Count-the-Number-of-Consistent-Strings.md" >}})|Easy||||83.9%|
-|1694|Reformat Phone Number|[Go]({{< relref "/ChapterFour/1694.Reformat-Phone-Number.md" >}})|Easy||||66.7%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.4%|
+|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0001~0099/0013.Roman-to-Integer.md" >}})|Easy||||56.5%|
+|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.9%|
+|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0001~0099/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
+|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0001~0099/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||65.1%|
+|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0001~0099/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
+|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
+|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0001~0099/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||59.1%|
+|0067|Add Binary|[Go]({{< relref "/ChapterFour/0001~0099/0067.Add-Binary.md" >}})|Easy||||46.8%|
+|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0001~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)||34.6%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.9%|
+|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0001~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.4%|
+|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.4%|
+|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0100~0199/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.1%|
+|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.6%|
+|0151|Reverse Words in a String|[Go]({{< relref "/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md" >}})|Medium||||23.5%|
+|0344|Reverse String|[Go]({{< relref "/ChapterFour/0300~0399/0344.Reverse-String.md" >}})|Easy| O(n)| O(1)||70.2%|
+|0345|Reverse Vowels of a String|[Go]({{< relref "/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md" >}})|Easy| O(n)| O(1)||45.0%|
+|0385|Mini Parser|[Go]({{< relref "/ChapterFour/0300~0399/0385.Mini-Parser.md" >}})|Medium||||34.5%|
+|0387|First Unique Character in a String|[Go]({{< relref "/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md" >}})|Easy||||53.8%|
+|0537|Complex Number Multiplication|[Go]({{< relref "/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md" >}})|Medium||||68.3%|
+|0541|Reverse String II|[Go]({{< relref "/ChapterFour/0500~0599/0541.Reverse-String-II.md" >}})|Easy||||49.1%|
+|0557|Reverse Words in a String III|[Go]({{< relref "/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md" >}})|Easy||||71.7%|
+|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.1%|
+|0767|Reorganize String|[Go]({{< relref "/ChapterFour/0700~0799/0767.Reorganize-String.md" >}})|Medium| O(n log n)| O(log n)  |❤️|50.0%|
+|0819|Most Common Word|[Go]({{< relref "/ChapterFour/0800~0899/0819.Most-Common-Word.md" >}})|Easy||||45.5%|
+|0842|Split Array into Fibonacci Sequence|[Go]({{< relref "/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md" >}})|Medium| O(n^2)| O(1)|❤️|36.8%|
+|0856|Score of Parentheses|[Go]({{< relref "/ChapterFour/0800~0899/0856.Score-of-Parentheses.md" >}})|Medium| O(n)| O(n)||62.3%|
+|0925|Long Pressed Name|[Go]({{< relref "/ChapterFour/0900~0999/0925.Long-Pressed-Name.md" >}})|Easy| O(n)| O(1)||38.2%|
+|1003|Check If Word Is Valid After Substitutions|[Go]({{< relref "/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md" >}})|Medium| O(n)| O(1)||56.3%|
+|1108|Defanging an IP Address|[Go]({{< relref "/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md" >}})|Easy||||88.5%|
+|1170|Compare Strings by Frequency of the Smallest Character|[Go]({{< relref "/ChapterFour/1100~1199/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})|Medium||||59.5%|
+|1189|Maximum Number of Balloons|[Go]({{< relref "/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md" >}})|Easy||||61.7%|
+|1221|Split a String in Balanced Strings|[Go]({{< relref "/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md" >}})|Easy||||84.1%|
+|1234|Replace the Substring for Balanced String|[Go]({{< relref "/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md" >}})|Medium||||34.3%|
+|1455|Check If a Word Occurs As a Prefix of Any Word in a Sentence|[Go]({{< relref "/ChapterFour/1400~1499/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md" >}})|Easy||||64.5%|
+|1573|Number of Ways to Split a String|[Go]({{< relref "/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md" >}})|Medium||||31.0%|
+|1653|Minimum Deletions to Make String Balanced|[Go]({{< relref "/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md" >}})|Medium||||50.6%|
+|1662|Check If Two String Arrays are Equivalent|[Go]({{< relref "/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md" >}})|Easy||||83.4%|
+|1668|Maximum Repeating Substring|[Go]({{< relref "/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md" >}})|Easy||||38.6%|
+|1678|Goal Parser Interpretation|[Go]({{< relref "/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md" >}})|Easy||||85.9%|
+|1684|Count the Number of Consistent Strings|[Go]({{< relref "/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md" >}})|Easy||||83.5%|
+|1694|Reformat Phone Number|[Go]({{< relref "/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md" >}})|Easy||||66.5%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Tree.md b/website/content/ChapterTwo/Tree.md
index d95edfa7..40cdfab2 100644
--- a/website/content/ChapterTwo/Tree.md
+++ b/website/content/ChapterTwo/Tree.md
@@ -1,6 +1,7 @@
 ---
-title: Tree
+title: 2.06 Tree
 type: docs
+weight: 6
 ---
 
 # Tree
@@ -8,64 +9,64 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
-|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
-|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n^2)| O(n)||54.2%|
-|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
-|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
-|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.0%|
-|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||47.9%|
-|0102|Binary Tree Level Order Traversal|[Go]({{< relref "/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md" >}})|Medium| O(n)| O(1)||56.3%|
-|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||49.8%|
-|0104|Maximum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||67.8%|
-|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.4%|
-|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.3%|
-|0107|Binary Tree Level Order Traversal II|[Go]({{< relref "/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md" >}})|Easy| O(n)| O(1)||54.9%|
-|0108|Convert Sorted Array to Binary Search Tree|[Go]({{< relref "/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||60.1%|
-|0110|Balanced Binary Tree|[Go]({{< relref "/ChapterFour/0110.Balanced-Binary-Tree.md" >}})|Easy| O(n)| O(1)||44.6%|
-|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.3%|
-|0112|Path Sum|[Go]({{< relref "/ChapterFour/0112.Path-Sum.md" >}})|Easy| O(n)| O(1)||42.2%|
-|0113|Path Sum II|[Go]({{< relref "/ChapterFour/0113.Path-Sum-II.md" >}})|Medium| O(n)| O(1)||48.7%|
-|0114|Flatten Binary Tree to Linked List|[Go]({{< relref "/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md" >}})|Medium| O(n)| O(1)||51.5%|
-|0124|Binary Tree Maximum Path Sum|[Go]({{< relref "/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md" >}})|Hard| O(n)| O(1)||35.3%|
-|0129|Sum Root to Leaf Numbers|[Go]({{< relref "/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md" >}})|Medium| O(n)| O(1)||50.6%|
-|0144|Binary Tree Preorder Traversal|[Go]({{< relref "/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
-|0145|Binary Tree Postorder Traversal|[Go]({{< relref "/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
-|0173|Binary Search Tree Iterator|[Go]({{< relref "/ChapterFour/0173.Binary-Search-Tree-Iterator.md" >}})|Medium| O(n)| O(1)||59.7%|
-|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||55.8%|
-|0222|Count Complete Tree Nodes|[Go]({{< relref "/ChapterFour/0222.Count-Complete-Tree-Nodes.md" >}})|Medium| O(n)| O(1)||48.9%|
-|0226|Invert Binary Tree|[Go]({{< relref "/ChapterFour/0226.Invert-Binary-Tree.md" >}})|Easy| O(n)| O(1)||66.7%|
-|0230|Kth Smallest Element in a BST|[Go]({{< relref "/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md" >}})|Medium| O(n)| O(1)||62.2%|
-|0235|Lowest Common Ancestor of a Binary Search Tree|[Go]({{< relref "/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||51.5%|
-|0236|Lowest Common Ancestor of a Binary Tree|[Go]({{< relref "/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md" >}})|Medium| O(n)| O(1)||48.2%|
-|0257|Binary Tree Paths|[Go]({{< relref "/ChapterFour/0257.Binary-Tree-Paths.md" >}})|Easy| O(n)| O(1)||53.3%|
-|0337|House Robber III|[Go]({{< relref "/ChapterFour/0337.House-Robber-III.md" >}})|Medium||||51.7%|
-|0404|Sum of Left Leaves|[Go]({{< relref "/ChapterFour/0404.Sum-of-Left-Leaves.md" >}})|Easy| O(n)| O(1)||52.2%|
-|0437|Path Sum III|[Go]({{< relref "/ChapterFour/0437.Path-Sum-III.md" >}})|Medium| O(n)| O(1)||48.0%|
-|0508|Most Frequent Subtree Sum|[Go]({{< relref "/ChapterFour/0508.Most-Frequent-Subtree-Sum.md" >}})|Medium||||58.9%|
-|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
-|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
-|0563|Binary Tree Tilt|[Go]({{< relref "/ChapterFour/0563.Binary-Tree-Tilt.md" >}})|Easy||||52.7%|
-|0572|Subtree of Another Tree|[Go]({{< relref "/ChapterFour/0572.Subtree-of-Another-Tree.md" >}})|Easy||||44.5%|
-|0637|Average of Levels in Binary Tree|[Go]({{< relref "/ChapterFour/0637.Average-of-Levels-in-Binary-Tree.md" >}})|Easy| O(n)| O(n)||64.6%|
-|0653|Two Sum IV - Input is a BST|[Go]({{< relref "/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST.md" >}})|Easy||||56.2%|
-|0662|Maximum Width of Binary Tree|[Go]({{< relref "/ChapterFour/0662.Maximum-Width-of-Binary-Tree.md" >}})|Medium||||40.0%|
-|0684|Redundant Connection|[Go]({{< relref "/ChapterFour/0684.Redundant-Connection.md" >}})|Medium||||58.8%|
-|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0685.Redundant-Connection-II.md" >}})|Hard||||32.9%|
-|0834|Sum of Distances in Tree|[Go]({{< relref "/ChapterFour/0834.Sum-of-Distances-in-Tree.md" >}})|Hard||||45.6%|
-|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.6%|
-|0872|Leaf-Similar Trees|[Go]({{< relref "/ChapterFour/0872.Leaf-Similar-Trees.md" >}})|Easy||||64.6%|
-|0897|Increasing Order Search Tree|[Go]({{< relref "/ChapterFour/0897.Increasing-Order-Search-Tree.md" >}})|Easy||||74.4%|
-|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.5%|
-|0979|Distribute Coins in Binary Tree|[Go]({{< relref "/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md" >}})|Medium||||69.5%|
-|0993|Cousins in Binary Tree|[Go]({{< relref "/ChapterFour/0993.Cousins-in-Binary-Tree.md" >}})|Easy| O(n)| O(1)||52.3%|
-|1026|Maximum Difference Between Node and Ancestor|[Go]({{< relref "/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md" >}})|Medium||||69.2%|
-|1028|Recover a Tree From Preorder Traversal|[Go]({{< relref "/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md" >}})|Hard||||70.8%|
-|1110|Delete Nodes And Return Forest|[Go]({{< relref "/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md" >}})|Medium||||67.6%|
-|1123|Lowest Common Ancestor of Deepest Leaves|[Go]({{< relref "/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md" >}})|Medium||||67.9%|
-|1145|Binary Tree Coloring Game|[Go]({{< relref "/ChapterFour/1145.Binary-Tree-Coloring-Game.md" >}})|Medium||||51.4%|
-|1302|Deepest Leaves Sum|[Go]({{< relref "/ChapterFour/1302.Deepest-Leaves-Sum.md" >}})|Medium||||84.1%|
-|1305|All Elements in Two Binary Search Trees|[Go]({{< relref "/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md" >}})|Medium||||77.8%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.7%|
+|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.3%|
+|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n^2)| O(n)||54.3%|
+|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.7%|
+|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.3%|
+|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100~0199/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.1%|
+|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0100~0199/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||48.0%|
+|0102|Binary Tree Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md" >}})|Medium| O(n)| O(1)||56.4%|
+|0103|Binary Tree Zigzag Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})|Medium| O(n)| O(n)||50.0%|
+|0104|Maximum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||67.9%|
+|0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})|Medium||||51.5%|
+|0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})|Medium||||49.4%|
+|0107|Binary Tree Level Order Traversal II|[Go]({{< relref "/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md" >}})|Easy| O(n)| O(1)||55.1%|
+|0108|Convert Sorted Array to Binary Search Tree|[Go]({{< relref "/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||60.2%|
+|0110|Balanced Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md" >}})|Easy| O(n)| O(1)||44.7%|
+|0111|Minimum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||39.4%|
+|0112|Path Sum|[Go]({{< relref "/ChapterFour/0100~0199/0112.Path-Sum.md" >}})|Easy| O(n)| O(1)||42.3%|
+|0113|Path Sum II|[Go]({{< relref "/ChapterFour/0100~0199/0113.Path-Sum-II.md" >}})|Medium| O(n)| O(1)||48.9%|
+|0114|Flatten Binary Tree to Linked List|[Go]({{< relref "/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md" >}})|Medium| O(n)| O(1)||51.7%|
+|0124|Binary Tree Maximum Path Sum|[Go]({{< relref "/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md" >}})|Hard| O(n)| O(1)||35.4%|
+|0129|Sum Root to Leaf Numbers|[Go]({{< relref "/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md" >}})|Medium| O(n)| O(1)||50.8%|
+|0144|Binary Tree Preorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.3%|
+|0145|Binary Tree Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.4%|
+|0173|Binary Search Tree Iterator|[Go]({{< relref "/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md" >}})|Medium| O(n)| O(1)||59.9%|
+|0199|Binary Tree Right Side View|[Go]({{< relref "/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md" >}})|Medium| O(n)| O(1)||56.2%|
+|0222|Count Complete Tree Nodes|[Go]({{< relref "/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md" >}})|Medium| O(n)| O(1)||49.1%|
+|0226|Invert Binary Tree|[Go]({{< relref "/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md" >}})|Easy| O(n)| O(1)||66.8%|
+|0230|Kth Smallest Element in a BST|[Go]({{< relref "/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md" >}})|Medium| O(n)| O(1)||62.4%|
+|0235|Lowest Common Ancestor of a Binary Search Tree|[Go]({{< relref "/ChapterFour/0200~0299/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md" >}})|Easy| O(n)| O(1)||51.6%|
+|0236|Lowest Common Ancestor of a Binary Tree|[Go]({{< relref "/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md" >}})|Medium| O(n)| O(1)||48.5%|
+|0257|Binary Tree Paths|[Go]({{< relref "/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md" >}})|Easy| O(n)| O(1)||53.4%|
+|0337|House Robber III|[Go]({{< relref "/ChapterFour/0300~0399/0337.House-Robber-III.md" >}})|Medium||||51.8%|
+|0404|Sum of Left Leaves|[Go]({{< relref "/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md" >}})|Easy| O(n)| O(1)||52.2%|
+|0437|Path Sum III|[Go]({{< relref "/ChapterFour/0400~0499/0437.Path-Sum-III.md" >}})|Medium| O(n)| O(1)||48.0%|
+|0508|Most Frequent Subtree Sum|[Go]({{< relref "/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md" >}})|Medium||||59.0%|
+|0513|Find Bottom Left Tree Value|[Go]({{< relref "/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md" >}})|Medium||||62.4%|
+|0515|Find Largest Value in Each Tree Row|[Go]({{< relref "/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})|Medium| O(n)| O(n)||62.1%|
+|0563|Binary Tree Tilt|[Go]({{< relref "/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md" >}})|Easy||||52.8%|
+|0572|Subtree of Another Tree|[Go]({{< relref "/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md" >}})|Easy||||44.5%|
+|0637|Average of Levels in Binary Tree|[Go]({{< relref "/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md" >}})|Easy| O(n)| O(n)||64.7%|
+|0653|Two Sum IV - Input is a BST|[Go]({{< relref "/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md" >}})|Easy||||56.2%|
+|0662|Maximum Width of Binary Tree|[Go]({{< relref "/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md" >}})|Medium||||40.0%|
+|0684|Redundant Connection|[Go]({{< relref "/ChapterFour/0600~0699/0684.Redundant-Connection.md" >}})|Medium||||58.9%|
+|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0600~0699/0685.Redundant-Connection-II.md" >}})|Hard||||32.9%|
+|0834|Sum of Distances in Tree|[Go]({{< relref "/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md" >}})|Hard||||45.8%|
+|0863|All Nodes Distance K in Binary Tree|[Go]({{< relref "/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})|Medium||||57.8%|
+|0872|Leaf-Similar Trees|[Go]({{< relref "/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md" >}})|Easy||||64.6%|
+|0897|Increasing Order Search Tree|[Go]({{< relref "/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md" >}})|Easy||||74.5%|
+|0968|Binary Tree Cameras|[Go]({{< relref "/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md" >}})|Hard||||38.6%|
+|0979|Distribute Coins in Binary Tree|[Go]({{< relref "/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md" >}})|Medium||||69.6%|
+|0993|Cousins in Binary Tree|[Go]({{< relref "/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md" >}})|Easy| O(n)| O(1)||52.3%|
+|1026|Maximum Difference Between Node and Ancestor|[Go]({{< relref "/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md" >}})|Medium||||69.3%|
+|1028|Recover a Tree From Preorder Traversal|[Go]({{< relref "/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md" >}})|Hard||||70.9%|
+|1110|Delete Nodes And Return Forest|[Go]({{< relref "/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md" >}})|Medium||||67.7%|
+|1123|Lowest Common Ancestor of Deepest Leaves|[Go]({{< relref "/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md" >}})|Medium||||67.9%|
+|1145|Binary Tree Coloring Game|[Go]({{< relref "/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md" >}})|Medium||||51.4%|
+|1302|Deepest Leaves Sum|[Go]({{< relref "/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md" >}})|Medium||||84.2%|
+|1305|All Elements in Two Binary Search Trees|[Go]({{< relref "/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md" >}})|Medium||||77.8%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
diff --git a/website/content/ChapterTwo/Two_Pointers.md b/website/content/ChapterTwo/Two_Pointers.md
index 74a91e24..9eec893a 100644
--- a/website/content/ChapterTwo/Two_Pointers.md
+++ b/website/content/ChapterTwo/Two_Pointers.md
@@ -1,6 +1,7 @@
 ---
-title: Two Pointers
+title: 2.03 ✅ Two Pointers
 type: docs
+weight: 3
 ---
 
 # Two Pointers
@@ -31,65 +32,64 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.2%|
-|0015|3Sum|[Go]({{< relref "/ChapterFour/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.8%|
-|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.6%|
-|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.4%|
-|0027|Remove Element|[Go]({{< relref "/ChapterFour/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
-|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.8%|
-|0061|Rotate List|[Go]({{< relref "/ChapterFour/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.0%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||45.9%|
-|0086|Partition List|[Go]({{< relref "/ChapterFour/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
-|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
-|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.0%|
-|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.3%|
-|0142|Linked List Cycle II|[Go]({{< relref "/ChapterFour/0142.Linked-List-Cycle-II.md" >}})|Medium| O(n)| O(1)|❤️|39.4%|
-|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.4%|
-|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.2%|
-|0234|Palindrome Linked List|[Go]({{< relref "/ChapterFour/0234.Palindrome-Linked-List.md" >}})|Easy| O(n)| O(1)||40.3%|
-|0283|Move Zeroes|[Go]({{< relref "/ChapterFour/0283.Move-Zeroes.md" >}})|Easy| O(n)| O(1)||58.5%|
-|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.2%|
-|0344|Reverse String|[Go]({{< relref "/ChapterFour/0344.Reverse-String.md" >}})|Easy| O(n)| O(1)||70.1%|
-|0345|Reverse Vowels of a String|[Go]({{< relref "/ChapterFour/0345.Reverse-Vowels-of-a-String.md" >}})|Easy| O(n)| O(1)||44.9%|
-|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.5%|
-|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
-|0424|Longest Repeating Character Replacement|[Go]({{< relref "/ChapterFour/0424.Longest-Repeating-Character-Replacement.md" >}})|Medium| O(n)| O(1) ||48.0%|
-|0457|Circular Array Loop|[Go]({{< relref "/ChapterFour/0457.Circular-Array-Loop.md" >}})|Medium||||30.0%|
-|0524|Longest Word in Dictionary through Deleting|[Go]({{< relref "/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md" >}})|Medium| O(n)| O(1) ||48.9%|
-|0532|K-diff Pairs in an Array|[Go]({{< relref "/ChapterFour/0532.K-diff-Pairs-in-an-Array.md" >}})|Medium| O(n)| O(n)||35.0%|
-|0567|Permutation in String|[Go]({{< relref "/ChapterFour/0567.Permutation-in-String.md" >}})|Medium| O(n)| O(1)|❤️|44.6%|
-|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.0%|
-|0713|Subarray Product Less Than K|[Go]({{< relref "/ChapterFour/0713.Subarray-Product-Less-Than-K.md" >}})|Medium| O(n)| O(1)||40.4%|
-|0763|Partition Labels|[Go]({{< relref "/ChapterFour/0763.Partition-Labels.md" >}})|Medium| O(n)| O(1)|❤️|77.9%|
-|0826|Most Profit Assigning Work|[Go]({{< relref "/ChapterFour/0826.Most-Profit-Assigning-Work.md" >}})|Medium| O(n log n)| O(n)||39.0%|
-|0828|Count Unique Characters of All Substrings of a Given String|[Go]({{< relref "/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md" >}})|Hard| O(n)| O(1)|❤️|46.7%|
-|0838|Push Dominoes|[Go]({{< relref "/ChapterFour/0838.Push-Dominoes.md" >}})|Medium| O(n)| O(n)||49.7%|
-|0844|Backspace String Compare|[Go]({{< relref "/ChapterFour/0844.Backspace-String-Compare.md" >}})|Easy| O(n)| O(n) ||46.8%|
-|0845|Longest Mountain in Array|[Go]({{< relref "/ChapterFour/0845.Longest-Mountain-in-Array.md" >}})|Medium| O(n)| O(1) ||38.5%|
-|0881|Boats to Save People|[Go]({{< relref "/ChapterFour/0881.Boats-to-Save-People.md" >}})|Medium| O(n log n)| O(1) ||48.7%|
-|0904|Fruit Into Baskets|[Go]({{< relref "/ChapterFour/0904.Fruit-Into-Baskets.md" >}})|Medium| O(n log n)| O(1) ||42.9%|
-|0923|3Sum With Multiplicity|[Go]({{< relref "/ChapterFour/0923.3Sum-With-Multiplicity.md" >}})|Medium| O(n^2)| O(n) ||36.1%|
-|0925|Long Pressed Name|[Go]({{< relref "/ChapterFour/0925.Long-Pressed-Name.md" >}})|Easy| O(n)| O(1)||38.3%|
-|0930|Binary Subarrays With Sum|[Go]({{< relref "/ChapterFour/0930.Binary-Subarrays-With-Sum.md" >}})|Medium| O(n)| O(n)  |❤️|44.3%|
-|0977|Squares of a Sorted Array|[Go]({{< relref "/ChapterFour/0977.Squares-of-a-Sorted-Array.md" >}})|Easy| O(n)| O(1)||72.2%|
-|0986|Interval List Intersections|[Go]({{< relref "/ChapterFour/0986.Interval-List-Intersections.md" >}})|Medium| O(n)| O(1)||68.1%|
-|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)|❤️|50.5%|
-|1004|Max Consecutive Ones III|[Go]({{< relref "/ChapterFour/1004.Max-Consecutive-Ones-III.md" >}})|Medium| O(n)| O(1) ||60.6%|
-|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1093.Statistics-from-a-Large-Sample.md" >}})|Medium| O(n)| O(1) ||49.4%|
-|1234|Replace the Substring for Balanced String|[Go]({{< relref "/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md" >}})|Medium||||34.4%|
-|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
-|1695|Maximum Erasure Value|[Go]({{< relref "/ChapterFour/1695.Maximum-Erasure-Value.md" >}})|Medium||||49.7%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.4%|
+|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0001~0099/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.3%|
+|0015|3Sum|[Go]({{< relref "/ChapterFour/0001~0099/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.9%|
+|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0001~0099/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
+|0018|4Sum|[Go]({{< relref "/ChapterFour/0001~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.8%|
+|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.7%|
+|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.5%|
+|0027|Remove Element|[Go]({{< relref "/ChapterFour/0001~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.2%|
+|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0001~0099/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
+|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|51.0%|
+|0061|Rotate List|[Go]({{< relref "/ChapterFour/0001~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.7%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.2%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.9%|
+|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||46.0%|
+|0086|Partition List|[Go]({{< relref "/ChapterFour/0001~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.2%|
+|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.7%|
+|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0100~0199/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.1%|
+|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0100~0199/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.8%|
+|0142|Linked List Cycle II|[Go]({{< relref "/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md" >}})|Medium| O(n)| O(1)|❤️|39.5%|
+|0167|Two Sum II - Input array is sorted|[Go]({{< relref "/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md" >}})|Easy| O(n)| O(1)||55.5%|
+|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.3%|
+|0234|Palindrome Linked List|[Go]({{< relref "/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md" >}})|Easy| O(n)| O(1)||40.4%|
+|0283|Move Zeroes|[Go]({{< relref "/ChapterFour/0200~0299/0283.Move-Zeroes.md" >}})|Easy| O(n)| O(1)||58.5%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.4%|
+|0344|Reverse String|[Go]({{< relref "/ChapterFour/0300~0399/0344.Reverse-String.md" >}})|Easy| O(n)| O(1)||70.2%|
+|0345|Reverse Vowels of a String|[Go]({{< relref "/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md" >}})|Easy| O(n)| O(1)||45.0%|
+|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.6%|
+|0350|Intersection of Two Arrays II|[Go]({{< relref "/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md" >}})|Easy| O(n)| O(n) ||51.9%|
+|0424|Longest Repeating Character Replacement|[Go]({{< relref "/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md" >}})|Medium| O(n)| O(1) ||48.1%|
+|0457|Circular Array Loop|[Go]({{< relref "/ChapterFour/0400~0499/0457.Circular-Array-Loop.md" >}})|Medium||||30.0%|
+|0524|Longest Word in Dictionary through Deleting|[Go]({{< relref "/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md" >}})|Medium| O(n)| O(1) ||49.0%|
+|0532|K-diff Pairs in an Array|[Go]({{< relref "/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md" >}})|Medium| O(n)| O(n)||35.1%|
+|0567|Permutation in String|[Go]({{< relref "/ChapterFour/0500~0599/0567.Permutation-in-String.md" >}})|Medium| O(n)| O(1)|❤️|44.6%|
+|0632|Smallest Range Covering Elements from K Lists|[Go]({{< relref "/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})|Hard||||54.1%|
+|0713|Subarray Product Less Than K|[Go]({{< relref "/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md" >}})|Medium| O(n)| O(1)||40.5%|
+|0763|Partition Labels|[Go]({{< relref "/ChapterFour/0700~0799/0763.Partition-Labels.md" >}})|Medium| O(n)| O(1)|❤️|78.0%|
+|0826|Most Profit Assigning Work|[Go]({{< relref "/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md" >}})|Medium| O(n log n)| O(n)||39.0%|
+|0828|Count Unique Characters of All Substrings of a Given String|[Go]({{< relref "/ChapterFour/0800~0899/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md" >}})|Hard| O(n)| O(1)|❤️|46.8%|
+|0838|Push Dominoes|[Go]({{< relref "/ChapterFour/0800~0899/0838.Push-Dominoes.md" >}})|Medium| O(n)| O(n)||49.7%|
+|0844|Backspace String Compare|[Go]({{< relref "/ChapterFour/0800~0899/0844.Backspace-String-Compare.md" >}})|Easy| O(n)| O(n) ||46.9%|
+|0845|Longest Mountain in Array|[Go]({{< relref "/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md" >}})|Medium| O(n)| O(1) ||38.5%|
+|0881|Boats to Save People|[Go]({{< relref "/ChapterFour/0800~0899/0881.Boats-to-Save-People.md" >}})|Medium| O(n log n)| O(1) ||48.8%|
+|0904|Fruit Into Baskets|[Go]({{< relref "/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md" >}})|Medium| O(n log n)| O(1) ||43.0%|
+|0923|3Sum With Multiplicity|[Go]({{< relref "/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md" >}})|Medium| O(n^2)| O(n) ||36.2%|
+|0925|Long Pressed Name|[Go]({{< relref "/ChapterFour/0900~0999/0925.Long-Pressed-Name.md" >}})|Easy| O(n)| O(1)||38.2%|
+|0930|Binary Subarrays With Sum|[Go]({{< relref "/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md" >}})|Medium| O(n)| O(n)  |❤️|44.5%|
+|0977|Squares of a Sorted Array|[Go]({{< relref "/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md" >}})|Easy| O(n)| O(1)||72.2%|
+|0986|Interval List Intersections|[Go]({{< relref "/ChapterFour/0900~0999/0986.Interval-List-Intersections.md" >}})|Medium| O(n)| O(1)||68.3%|
+|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n)|❤️|50.6%|
+|1004|Max Consecutive Ones III|[Go]({{< relref "/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md" >}})|Medium| O(n)| O(1) ||60.7%|
+|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md" >}})|Medium| O(n)| O(1) ||49.4%|
+|1234|Replace the Substring for Balanced String|[Go]({{< relref "/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md" >}})|Medium||||34.3%|
+|1658|Minimum Operations to Reduce X to Zero|[Go]({{< relref "/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})|Medium||||33.4%|
+|1695|Maximum Erasure Value|[Go]({{< relref "/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md" >}})|Medium||||49.6%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
-
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/String/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/Union_Find.md b/website/content/ChapterTwo/Union_Find.md
index c215cdbb..47fa32a4 100644
--- a/website/content/ChapterTwo/Union_Find.md
+++ b/website/content/ChapterTwo/Union_Find.md
@@ -1,6 +1,7 @@
 ---
-title: Union Find
+title: 2.16 ✅ Union Find
 type: docs
+weight: 16
 ---
 
 # Union Find
@@ -18,29 +19,31 @@ type: docs
 
 | No.      | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
 |:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0128|Longest Consecutive Sequence|[Go]({{< relref "/ChapterFour/0128.Longest-Consecutive-Sequence.md" >}})|Hard| O(n)| O(n)|❤️|46.1%|
-|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0130.Surrounded-Regions.md" >}})|Medium| O(m\*n)| O(m\*n)||29.2%|
-|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200.Number-of-Islands.md" >}})|Medium| O(m\*n)| O(m\*n)||48.7%|
-|0399|Evaluate Division|[Go]({{< relref "/ChapterFour/0399.Evaluate-Division.md" >}})|Medium| O(n)| O(n)||54.1%|
-|0547|Number of Provinces|[Go]({{< relref "/ChapterFour/0547.Number-of-Provinces.md" >}})|Medium| O(n^2)| O(n)||60.2%|
-|0684|Redundant Connection|[Go]({{< relref "/ChapterFour/0684.Redundant-Connection.md" >}})|Medium| O(n)| O(n)||58.8%|
-|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0685.Redundant-Connection-II.md" >}})|Hard| O(n)| O(n)||32.9%|
-|0721|Accounts Merge|[Go]({{< relref "/ChapterFour/0721.Accounts-Merge.md" >}})|Medium| O(n)| O(n)|❤️|51.3%|
-|0765|Couples Holding Hands|[Go]({{< relref "/ChapterFour/0765.Couples-Holding-Hands.md" >}})|Hard| O(n)| O(n)|❤️|55.4%|
-|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0778.Swim-in-Rising-Water.md" >}})|Hard| O(n^2)| O(n)|❤️|54.5%|
-|0803|Bricks Falling When Hit|[Go]({{< relref "/ChapterFour/0803.Bricks-Falling-When-Hit.md" >}})|Hard| O(n^2)| O(n)|❤️|31.3%|
-|0839|Similar String Groups|[Go]({{< relref "/ChapterFour/0839.Similar-String-Groups.md" >}})|Hard| O(n^2)| O(n)||40.2%|
-|0924|Minimize Malware Spread|[Go]({{< relref "/ChapterFour/0924.Minimize-Malware-Spread.md" >}})|Hard| O(m\*n)| O(n)||41.8%|
-|0928|Minimize Malware Spread II|[Go]({{< relref "/ChapterFour/0928.Minimize-Malware-Spread-II.md" >}})|Hard| O(m\*n)| O(n)|❤️|41.2%|
-|0947|Most Stones Removed with Same Row or Column|[Go]({{< relref "/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md" >}})|Medium| O(n)| O(n)||55.5%|
-|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard| O(n)| O(n)|❤️|36.1%|
-|0959|Regions Cut By Slashes|[Go]({{< relref "/ChapterFour/0959.Regions-Cut-By-Slashes.md" >}})|Medium| O(n^2)| O(n^2)|❤️|66.9%|
-|0990|Satisfiability of Equality Equations|[Go]({{< relref "/ChapterFour/0990.Satisfiability-of-Equality-Equations.md" >}})|Medium| O(n)| O(n)||46.6%|
-|1202|Smallest String With Swaps|[Go]({{< relref "/ChapterFour/1202.Smallest-String-With-Swaps.md" >}})|Medium||||48.5%|
-|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.1%|
+|0128|Longest Consecutive Sequence|[Go]({{< relref "/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md" >}})|Hard| O(n)| O(n)|❤️|46.2%|
+|0130|Surrounded Regions|[Go]({{< relref "/ChapterFour/0100~0199/0130.Surrounded-Regions.md" >}})|Medium| O(m\*n)| O(m\*n)||29.3%|
+|0200|Number of Islands|[Go]({{< relref "/ChapterFour/0200~0299/0200.Number-of-Islands.md" >}})|Medium| O(m\*n)| O(m\*n)||48.9%|
+|0399|Evaluate Division|[Go]({{< relref "/ChapterFour/0300~0399/0399.Evaluate-Division.md" >}})|Medium| O(n)| O(n)||54.2%|
+|0547|Number of Provinces|[Go]({{< relref "/ChapterFour/0500~0599/0547.Number-of-Provinces.md" >}})|Medium| O(n^2)| O(n)||60.3%|
+|0684|Redundant Connection|[Go]({{< relref "/ChapterFour/0600~0699/0684.Redundant-Connection.md" >}})|Medium| O(n)| O(n)||58.9%|
+|0685|Redundant Connection II|[Go]({{< relref "/ChapterFour/0600~0699/0685.Redundant-Connection-II.md" >}})|Hard| O(n)| O(n)||32.9%|
+|0721|Accounts Merge|[Go]({{< relref "/ChapterFour/0700~0799/0721.Accounts-Merge.md" >}})|Medium| O(n)| O(n)|❤️|51.6%|
+|0765|Couples Holding Hands|[Go]({{< relref "/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md" >}})|Hard| O(n)| O(n)|❤️|55.4%|
+|0778|Swim in Rising Water|[Go]({{< relref "/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md" >}})|Hard| O(n^2)| O(n)|❤️|54.8%|
+|0803|Bricks Falling When Hit|[Go]({{< relref "/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md" >}})|Hard| O(n^2)| O(n)|❤️|31.4%|
+|0839|Similar String Groups|[Go]({{< relref "/ChapterFour/0800~0899/0839.Similar-String-Groups.md" >}})|Hard| O(n^2)| O(n)||40.4%|
+|0924|Minimize Malware Spread|[Go]({{< relref "/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md" >}})|Hard| O(m\*n)| O(n)||41.8%|
+|0928|Minimize Malware Spread II|[Go]({{< relref "/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md" >}})|Hard| O(m\*n)| O(n)|❤️|41.2%|
+|0947|Most Stones Removed with Same Row or Column|[Go]({{< relref "/ChapterFour/0900~0999/0947.Most-Stones-Removed-with-Same-Row-or-Column.md" >}})|Medium| O(n)| O(n)||55.5%|
+|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard| O(n)| O(n)|❤️|36.1%|
+|0959|Regions Cut By Slashes|[Go]({{< relref "/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md" >}})|Medium| O(n^2)| O(n^2)|❤️|67.0%|
+|0990|Satisfiability of Equality Equations|[Go]({{< relref "/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md" >}})|Medium| O(n)| O(n)||46.7%|
+|1202|Smallest String With Swaps|[Go]({{< relref "/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md" >}})|Medium||||48.6%|
+|1319|Number of Operations to Make Network Connected|[Go]({{< relref "/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})|Medium||||55.2%|
 |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
 
 
+
+
 ----------------------------------------------
 <div style="display: flex;justify-content: space-between;align-items: center;">
 <p><a href="https://books.halfrost.com/leetcode/ChapterTwo/Bit_Manipulation/">⬅️上一页</a></p>
diff --git a/website/content/ChapterTwo/_index.md b/website/content/ChapterTwo/_index.md
index 4699e8ca..af78a6c3 100644
--- a/website/content/ChapterTwo/_index.md
+++ b/website/content/ChapterTwo/_index.md
@@ -1,6 +1,7 @@
 ---
-title: 第二章
+title: 第二章 算法专题
 type: docs
+weight: 2
 ---
 
 # 第二章 算法专题
diff --git a/website/content/docs/example/_index.md b/website/content/docs/example/_index.md
deleted file mode 100644
index 4835b7ca..00000000
--- a/website/content/docs/example/_index.md
+++ /dev/null
@@ -1,71 +0,0 @@
----
-weight: 1
-bookFlatSection: true
-title: "Example Site"
----
-
-# Introduction
-
-## Ferre hinnitibus erat accipitrem dixi Troiae tollens
-
-Lorem markdownum, a quoque nutu est *quodcumque mandasset* veluti. Passim
-inportuna totidemque nympha fert; repetens pendent, poenarum guttura sed vacet
-non, mortali undas. Omnis pharetramque gramen portentificisque membris servatum
-novabis fallit de nubibus atque silvas mihi. **Dixit repetitaque Quid**; verrit
-longa; sententia [mandat](http://pastor-ad.io/questussilvas) quascumque nescio
-solebat [litore](http://lacrimas-ab.net/); noctes. *Hostem haerentem* circuit
-[plenaque tamen](http://www.sine.io/in).
-
-- Pedum ne indigenae finire invergens carpebat
-- Velit posses summoque
-- De fumos illa foret
-
-## Est simul fameque tauri qua ad
-
-Locum nullus nisi vomentes. Ab Persea sermone vela, miratur aratro; eandem
-Argolicas gener.
-
-## Me sol
-
-Nec dis certa fuit socer, Nonacria **dies** manet tacitaque sibi? Sucis est
-iactata Castrumque iudex, et iactato quoque terraeque es tandem et maternos
-vittis. Lumina litus bene poenamque animos callem ne tuas in leones illam dea
-cadunt genus, et pleno nunc in quod. Anumque crescentesque sanguinis
-[progenies](http://www.late.net/alimentavirides) nuribus rustica tinguet. Pater
-omnes liquido creditis noctem.
-
-    if (mirrored(icmp_dvd_pim, 3, smbMirroredHard) != lion(clickImportQueue,
-            viralItunesBalancing, bankruptcy_file_pptp)) {
-        file += ip_cybercrime_suffix;
-    }
-    if (runtimeSmartRom == netMarketingWord) {
-        virusBalancingWin *= scriptPromptBespoke + raster(post_drive,
-                windowsSli);
-        cd = address_hertz_trojan;
-        soap_ccd.pcbServerGigahertz(asp_hardware_isa, offlinePeopleware, nui);
-    } else {
-        megabyte.api = modem_flowchart - web + syntaxHalftoneAddress;
-    }
-    if (3 < mebibyteNetworkAnimated) {
-        pharming_regular_error *= jsp_ribbon + algorithm * recycleMediaKindle(
-                dvrSyntax, cdma);
-        adf_sla *= hoverCropDrive;
-        templateNtfs = -1 - vertical;
-    } else {
-        expressionCompressionVariable.bootMulti = white_eup_javascript(
-                table_suffix);
-        guidPpiPram.tracerouteLinux += rtfTerabyteQuicktime(1,
-                managementRosetta(webcamActivex), 740874);
-    }
-    var virusTweetSsl = nullGigo;
-
-## Trepident sitimque
-
-Sentiet et ferali errorem fessam, coercet superbus, Ascaniumque in pennis
-mediis; dolor? Vidit imi **Aeacon** perfida propositos adde, tua Somni Fluctibus
-errante lustrat non.
-
-Tamen inde, vos videt e flammis Scythica parantem rupisque pectora umbras. Haec
-ficta canistris repercusso simul ego aris Dixit! Esse Fama trepidare hunc
-crescendo vigor ululasse vertice *exspatiantur* celer tepidique petita aversata
-oculis iussa est me ferro.
diff --git a/website/content/docs/example/collapsed/3rd-level/4th-level.md b/website/content/docs/example/collapsed/3rd-level/4th-level.md
deleted file mode 100644
index aa451f19..00000000
--- a/website/content/docs/example/collapsed/3rd-level/4th-level.md
+++ /dev/null
@@ -1,12 +0,0 @@
-# 4th Level of Menu
-
-## Caesorum illa tu sentit micat vestes papyriferi
-
-Inde aderam facti; Theseus vis de tauri illa peream. Oculos **uberaque** non
-regisque vobis cursuque, opus venit quam vulnera. Et maiora necemque, lege modo;
-gestanda nitidi, vero? Dum ne pectoraque testantur.
-
-Venasque repulsa Samos qui, exspectatum eram animosque hinc, [aut
-manes](http://www.creveratnon.net/apricaaetheriis), Assyrii. Cupiens auctoribus
-pariter rubet, profana magni super nocens. Vos ius sibilat inpar turba visae
-iusto! Sedes ante dum superest **extrema**.
diff --git a/website/content/docs/example/collapsed/3rd-level/_index.md b/website/content/docs/example/collapsed/3rd-level/_index.md
deleted file mode 100644
index cc0100f3..00000000
--- a/website/content/docs/example/collapsed/3rd-level/_index.md
+++ /dev/null
@@ -1,26 +0,0 @@
-# 3rd Level of Menu
-
-Nefas discordemque domino montes numen tum humili nexilibusque exit, Iove. Quae
-miror esse, scelerisque Melaneus viribus. Miseri laurus. Hoc est proposita me
-ante aliquid, aura inponere candidioribus quidque accendit bella, sumpta.
-Intravit quam erat figentem hunc, motus de fontes parvo tempestate.
-
-    iscsi_virus = pitch(json_in_on(eupViral),
-            northbridge_services_troubleshooting, personal(
-            firmware_rw.trash_rw_crm.device(interactive_gopher_personal,
-            software, -1), megabit, ergonomicsSoftware(cmyk_usb_panel,
-            mips_whitelist_duplex, cpa)));
-    if (5) {
-        managementNetwork += dma - boolean;
-        kilohertz_token = 2;
-        honeypot_affiliate_ergonomics = fiber;
-    }
-    mouseNorthbridge = byte(nybble_xmp_modem.horse_subnet(
-            analogThroughputService * graphicPoint, drop(daw_bit, dnsIntranet),
-            gateway_ospf), repository.domain_key.mouse(serverData(fileNetwork,
-            trim_duplex_file), cellTapeDirect, token_tooltip_mashup(
-            ripcordingMashup)));
-    module_it = honeypot_driver(client_cold_dvr(593902, ripping_frequency) +
-            coreLog.joystick(componentUdpLink), windows_expansion_touchscreen);
-    bashGigabit.external.reality(2, server_hardware_codec.flops.ebookSampling(
-            ciscNavigationBacklink, table + cleanDriver), indexProtocolIsp);
diff --git a/website/content/docs/example/collapsed/_index.md b/website/content/docs/example/collapsed/_index.md
deleted file mode 100644
index 806bc2ef..00000000
--- a/website/content/docs/example/collapsed/_index.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-bookCollapseSection: true
-weight: 20
----
-
-# Collapsed Level of Menu
-
-## Cognita laeva illo fracta
-
-Lorem markdownum pavent auras, surgit nunc cingentibus libet **Laomedonque que**
-est. Pastor [An](http://est.org/ire.aspx) arbor filia foedat, ne [fugit
-aliter](http://www.indiciumturbam.org/moramquid.php), per. Helicona illas et
-callida neptem est *Oresitrophos* caput, dentibus est venit. Tenet reddite
-[famuli](http://www.antro-et.net/) praesentem fortibus, quaeque vis foret si
-frondes *gelidos* gravidae circumtulit [inpulit armenta
-nativum](http://incurvasustulit.io/illi-virtute.html).
-
-1. Te at cruciabere vides rubentis manebo
-2. Maturuit in praetemptat ruborem ignara postquam habitasse
-3. Subitarum supplevit quoque fontesque venabula spretis modo
-4. Montis tot est mali quasque gravis
-5. Quinquennem domus arsit ipse
-6. Pellem turis pugnabant locavit
diff --git a/website/content/docs/example/hidden.md b/website/content/docs/example/hidden.md
deleted file mode 100644
index df7cb9eb..00000000
--- a/website/content/docs/example/hidden.md
+++ /dev/null
@@ -1,52 +0,0 @@
----
-bookHidden: true
----
-
-# This page is hidden in menu
-
-# Quondam non pater est dignior ille Eurotas
-
-## Latent te facies
-
-Lorem markdownum arma ignoscas vocavit quoque ille texit mandata mentis ultimus,
-frementes, qui in vel. Hippotades Peleus [pennas
-conscia](http://gratia.net/tot-qua.php) cuiquam Caeneus quas.
-
-- Pater demittere evincitque reddunt
-- Maxime adhuc pressit huc Danaas quid freta
-- Soror ego
-- Luctus linguam saxa ultroque prior Tatiumque inquit
-- Saepe liquitur subita superata dederat Anius sudor
-
-## Cum honorum Latona
-
-O fallor [in sustinui
-iussorum](http://www.spectataharundine.org/aquas-relinquit.html) equidem.
-Nymphae operi oris alii fronde parens dumque, in auro ait mox ingenti proxima
-iamdudum maius?
-
-    reality(burnDocking(apache_nanometer),
-            pad.property_data_programming.sectorBrowserPpga(dataMask, 37,
-            recycleRup));
-    intellectualVaporwareUser += -5 * 4;
-    traceroute_key_upnp /= lag_optical(android.smb(thyristorTftp));
-    surge_host_golden = mca_compact_device(dual_dpi_opengl, 33,
-            commerce_add_ppc);
-    if (lun_ipv) {
-        verticalExtranet(1, thumbnail_ttl, 3);
-        bar_graphics_jpeg(chipset - sector_xmp_beta);
-    }
-
-## Fronde cetera dextrae sequens pennis voce muneris
-
-Acta cretus diem restet utque; move integer, oscula non inspirat, noctisque
-scelus! Nantemque in suas vobis quamvis, et labori!
-
-    var runtimeDiskCompiler = home - array_ad_software;
-    if (internic > disk) {
-        emoticonLockCron += 37 + bps - 4;
-        wan_ansi_honeypot.cardGigaflops = artificialStorageCgi;
-        simplex -= downloadAccess;
-    }
-    var volumeHardeningAndroid = pixel + tftp + onProcessorUnmount;
-    sector(memory(firewire + interlaced, wired));
\ No newline at end of file
diff --git a/website/content/docs/example/table-of-contents/_index.md b/website/content/docs/example/table-of-contents/_index.md
deleted file mode 100644
index c7ee0d87..00000000
--- a/website/content/docs/example/table-of-contents/_index.md
+++ /dev/null
@@ -1,85 +0,0 @@
----
-weight: 10
----
-
-# Ubi loqui
-
-## Mentem genus facietque salire tempus bracchia
-
-Lorem markdownum partu paterno Achillem. Habent amne generosi aderant ad pellem
-nec erat sustinet merces columque haec et, dixit minus nutrit accipiam subibis
-subdidit. Temeraria servatum agros qui sed fulva facta. Primum ultima, dedit,
-suo quisque linguae medentes fixo: tum petis.
-
-## Rapit vocant si hunc siste adspice
-
-Ora precari Patraeque Neptunia, dixit Danae [Cithaeron
-armaque](http://mersis-an.org/litoristum) maxima in **nati Coniugis** templis
-fluidove. Effugit usus nec ingreditur agmen *ac manus* conlato. Nullis vagis
-nequiquam vultibus aliquos altera *suum venis* teneas fretum. Armos [remotis
-hoc](http://tutum.io/me) sine ferrea iuncta quam!
-
-## Locus fuit caecis
-
-Nefas discordemque domino montes numen tum humili nexilibusque exit, Iove. Quae
-miror esse, scelerisque Melaneus viribus. Miseri laurus. Hoc est proposita me
-ante aliquid, aura inponere candidioribus quidque accendit bella, sumpta.
-Intravit quam erat figentem hunc, motus de fontes parvo tempestate.
-
-    iscsi_virus = pitch(json_in_on(eupViral),
-            northbridge_services_troubleshooting, personal(
-            firmware_rw.trash_rw_crm.device(interactive_gopher_personal,
-            software, -1), megabit, ergonomicsSoftware(cmyk_usb_panel,
-            mips_whitelist_duplex, cpa)));
-    if (5) {
-        managementNetwork += dma - boolean;
-        kilohertz_token = 2;
-        honeypot_affiliate_ergonomics = fiber;
-    }
-    mouseNorthbridge = byte(nybble_xmp_modem.horse_subnet(
-            analogThroughputService * graphicPoint, drop(daw_bit, dnsIntranet),
-            gateway_ospf), repository.domain_key.mouse(serverData(fileNetwork,
-            trim_duplex_file), cellTapeDirect, token_tooltip_mashup(
-            ripcordingMashup)));
-    module_it = honeypot_driver(client_cold_dvr(593902, ripping_frequency) +
-            coreLog.joystick(componentUdpLink), windows_expansion_touchscreen);
-    bashGigabit.external.reality(2, server_hardware_codec.flops.ebookSampling(
-            ciscNavigationBacklink, table + cleanDriver), indexProtocolIsp);
-
-## Placabilis coactis nega ingemuit ignoscat nimia non
-
-Frontis turba. Oculi gravis est Delphice; *inque praedaque* sanguine manu non.
-
-    if (ad_api) {
-        zif += usb.tiffAvatarRate(subnet, digital_rt) + exploitDrive;
-        gigaflops(2 - bluetooth, edi_asp_memory.gopher(queryCursor, laptop),
-                panel_point_firmware);
-        spyware_bash.statePopApplet = express_netbios_digital(
-                insertion_troubleshooting.brouter(recordFolderUs), 65);
-    }
-    recursionCoreRay = -5;
-    if (hub == non) {
-        portBoxVirus = soundWeb(recursive_card(rwTechnologyLeopard),
-                font_radcab, guidCmsScalable + reciprocalMatrixPim);
-        left.bug = screenshot;
-    } else {
-        tooltipOpacity = raw_process_permalink(webcamFontUser, -1);
-        executable_router += tape;
-    }
-    if (tft) {
-        bandwidthWeb *= social_page;
-    } else {
-        regular += 611883;
-        thumbnail /= system_lag_keyboard;
-    }
-
-## Caesorum illa tu sentit micat vestes papyriferi
-
-Inde aderam facti; Theseus vis de tauri illa peream. Oculos **uberaque** non
-regisque vobis cursuque, opus venit quam vulnera. Et maiora necemque, lege modo;
-gestanda nitidi, vero? Dum ne pectoraque testantur.
-
-Venasque repulsa Samos qui, exspectatum eram animosque hinc, [aut
-manes](http://www.creveratnon.net/apricaaetheriis), Assyrii. Cupiens auctoribus
-pariter rubet, profana magni super nocens. Vos ius sibilat inpar turba visae
-iusto! Sedes ante dum superest **extrema**.
diff --git a/website/content/docs/example/table-of-contents/with-toc.md b/website/content/docs/example/table-of-contents/with-toc.md
deleted file mode 100644
index 5345c668..00000000
--- a/website/content/docs/example/table-of-contents/with-toc.md
+++ /dev/null
@@ -1,64 +0,0 @@
----
-title: With ToC
-weight: 1
----
-# Caput vino delphine in tamen vias
-
-## Cognita laeva illo fracta
-
-Lorem markdownum pavent auras, surgit nunc cingentibus libet **Laomedonque que**
-est. Pastor [An](http://est.org/ire.aspx) arbor filia foedat, ne [fugit
-aliter](http://www.indiciumturbam.org/moramquid.php), per. Helicona illas et
-callida neptem est *Oresitrophos* caput, dentibus est venit. Tenet reddite
-[famuli](http://www.antro-et.net/) praesentem fortibus, quaeque vis foret si
-frondes *gelidos* gravidae circumtulit [inpulit armenta
-nativum](http://incurvasustulit.io/illi-virtute.html).
-
-1. Te at cruciabere vides rubentis manebo
-2. Maturuit in praetemptat ruborem ignara postquam habitasse
-3. Subitarum supplevit quoque fontesque venabula spretis modo
-4. Montis tot est mali quasque gravis
-5. Quinquennem domus arsit ipse
-6. Pellem turis pugnabant locavit
-
-## Natus quaerere
-
-Pectora et sine mulcere, coniuge dum tincta incurvae. Quis iam; est dextra
-Peneosque, metuis a verba, primo. Illa sed colloque suis: magno: gramen, aera
-excutiunt concipit.
-
-> Phrygiae petendo suisque extimuit, super, pars quod audet! Turba negarem.
-> Fuerat attonitus; et dextra retinet sidera ulnas undas instimulat vacuae
-> generis? *Agnus* dabat et ignotis dextera, sic tibi pacis **feriente at mora**
-> euhoeque *comites hostem* vestras Phineus. Vultuque sanguine dominoque [metuit
-> risi](http://iuvat.org/eundem.php) fama vergit summaque meus clarissimus
-> artesque tinguebat successor nominis cervice caelicolae.
-
-## Limitibus misere sit
-
-Aurea non fata repertis praerupit feruntur simul, meae hosti lentaque *citius
-levibus*, cum sede dixit, Phaethon texta. *Albentibus summos* multifidasque
-iungitur loquendi an pectore, mihi ursaque omnia adfata, aeno parvumque in animi
-perlucentes. Epytus agis ait vixque clamat ornum adversam spondet, quid sceptra
-ipsum **est**. Reseret nec; saeva suo passu debentia linguam terga et aures et
-cervix [de](http://www.amnem.io/pervenit.aspx) ubera. Coercet gelidumque manus,
-doluit volvitur induta?
-
-## Enim sua
-
-Iuvenilior filia inlustre templa quidem herbis permittat trahens huic. In
-cruribus proceres sole crescitque *fata*, quos quos; merui maris se non tamen
-in, mea.
-
-## Germana aves pignus tecta
-
-Mortalia rudibusque caelum cognosceret tantum aquis redito felicior texit, nec,
-aris parvo acre. Me parum contulerant multi tenentem, gratissime suis; vultum tu
-occupat deficeret corpora, sonum. E Actaea inplevit Phinea concepit nomenque
-potest sanguine captam nulla et, in duxisses campis non; mercede. Dicere cur
-Leucothoen obitum?
-
-Postibus mittam est *nubibus principium pluma*, exsecratur facta et. Iunge
-Mnemonidas pallamque pars; vere restitit alis flumina quae **quoque**, est
-ignara infestus Pyrrha. Di ducis terris maculatum At sede praemia manes
-nullaque!
diff --git a/website/content/docs/example/table-of-contents/without-toc.md b/website/content/docs/example/table-of-contents/without-toc.md
deleted file mode 100644
index 9b163188..00000000
--- a/website/content/docs/example/table-of-contents/without-toc.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: Without ToC
-weight: 2
-bookToc: false
----
-
-# At me ipso nepotibus nunc celebratior genus
-
-## Tanto oblite
-
-Lorem markdownum pectora novis patenti igne sua opus aurae feras materiaque
-illic demersit imago et aristas questaque posset. Vomit quoque suo inhaesuro
-clara. Esse cumque, per referri triste. Ut exponit solisque communis in tendens
-vincetis agisque iamque huic bene ante vetat omina Thebae rates. Aeacus servat
-admonitu concidit, ad resimas vultus et rugas vultu **dignamque** Siphnon.
-
-Quam iugulum regia simulacra, plus meruit humo pecorumque haesit, ab discedunt
-dixit: ritu pharetramque. Exul Laurenti orantem modo, per densum missisque labor
-manibus non colla unum, obiectat. Tu pervia collo, fessus quae Cretenque Myconon
-crate! Tegumenque quae invisi sudore per vocari quaque plus ventis fluidos. Nodo
-perque, fugisse pectora sorores.
-
-## Summe promissa supple vadit lenius
-
-Quibus largis latebris aethera versato est, ait sentiat faciemque. Aequata alis
-nec Caeneus exululat inclite corpus est, ire **tibi** ostendens et tibi. Rigent
-et vires dique possent lumina; **eadem** dixit poma funeribus paret et felix
-reddebant ventis utile lignum.
-
-1. Remansit notam Stygia feroxque
-2. Et dabit materna
-3. Vipereas Phrygiaeque umbram sollicito cruore conlucere suus
-4. Quarum Elis corniger
-5. Nec ieiunia dixit
-
-Vertitur mos ortu ramosam contudit dumque; placabat ac lumen. Coniunx Amoris
-spatium poenamque cavernis Thebae Pleiadasque ponunt, rapiare cum quae parum
-nimium rima.
-
-## Quidem resupinus inducto solebat una facinus quae
-
-Credulitas iniqua praepetibus paruit prospexit, voce poena, sub rupit sinuatur,
-quin suum ventorumque arcadiae priori. Soporiferam erat formamque, fecit,
-invergens, nymphae mutat fessas ait finge.
-
-1. Baculum mandataque ne addere capiti violentior
-2. Altera duas quam hoc ille tenues inquit
-3. Sicula sidereus latrantis domoque ratae polluit comites
-4. Possit oro clausura namque se nunc iuvenisque
-5. Faciem posuit
-6. Quodque cum ponunt novercae nata vestrae aratra
-
-Ite extrema Phrygiis, patre dentibus, tonso perculit, enim blanda, manibus fide
-quos caput armis, posse! Nocendo fas Alcyonae lacertis structa ferarum manus
-fulmen dubius, saxa caelum effuge extremis fixum tumor adfecit **bella**,
-potentes? Dum nec insidiosa tempora tegit
-[spirarunt](http://mihiferre.net/iuvenes-peto.html). Per lupi pars foliis,
-porreximus humum negant sunt subposuere Sidone steterant auro. Memoraverit sine:
-ferrum idem Orion caelum heres gerebat fixis?
diff --git a/website/content/docs/shortcodes/_index.md b/website/content/docs/shortcodes/_index.md
deleted file mode 100644
index 9bb0430c..00000000
--- a/website/content/docs/shortcodes/_index.md
+++ /dev/null
@@ -1,3 +0,0 @@
----
-bookFlatSection: true
----
diff --git a/website/content/docs/shortcodes/buttons.md b/website/content/docs/shortcodes/buttons.md
deleted file mode 100644
index c2ef1e75..00000000
--- a/website/content/docs/shortcodes/buttons.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# Buttons
-
-Buttons are styled links that can lead to local page or external link.
-
-## Example
-
-```tpl
-{{</* button relref="/" [class="..."] */>}}Get Home{{</* /button */>}}
-{{</* button href="https://github.com/alex-shpak/hugo-book" */>}}Contribute{{</* /button */>}}
-```
-
-{{< button relref="/" >}}Get Home{{< /button >}}
-{{< button href="https://github.com/alex-shpak/hugo-book" >}}Contribute{{< /button >}}
diff --git a/website/content/docs/shortcodes/columns.md b/website/content/docs/shortcodes/columns.md
deleted file mode 100644
index 4df396a6..00000000
--- a/website/content/docs/shortcodes/columns.md
+++ /dev/null
@@ -1,45 +0,0 @@
-# Columns
-
-Columns help organize shorter pieces of content horizontally for readability.
-
-
-```html
-{{</* columns */>}} <!-- begin columns block -->
-# Left Content
-Lorem markdownum insigne...
-
-<---> <!-- magic sparator, between columns -->
-
-# Mid Content
-Lorem markdownum insigne...
-
-<---> <!-- magic sparator, between columns -->
-
-# Right Content
-Lorem markdownum insigne...
-{{</* /columns */>}}
-```
-
-## Example
-
-{{< columns >}}
-## Left Content
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-
-<--->
-
-## Mid Content
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter!
-
-<--->
-
-## Right Content
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-{{< /columns >}}
diff --git a/website/content/docs/shortcodes/details.md b/website/content/docs/shortcodes/details.md
deleted file mode 100644
index 248bafd9..00000000
--- a/website/content/docs/shortcodes/details.md
+++ /dev/null
@@ -1,22 +0,0 @@
-# Details
-
-Details shortcode is a helper for `details` html5 element. It is going to replace `expand` shortcode.
-
-## Example
-```tpl
-{{</* details "Title" [open] */>}}
-## Markdown content
-Lorem markdownum insigne...
-{{</* /details */>}}
-```
-```tpl
-{{</* details title="Title" open=true */>}}
-## Markdown content
-Lorem markdownum insigne...
-{{</* /details */>}}
-```
-
-{{< details "Title" open >}}
-## Markdown content
-Lorem markdownum insigne...
-{{< /details >}}
diff --git a/website/content/docs/shortcodes/expand.md b/website/content/docs/shortcodes/expand.md
deleted file mode 100644
index c62520f3..00000000
--- a/website/content/docs/shortcodes/expand.md
+++ /dev/null
@@ -1,35 +0,0 @@
-# Expand
-
-Expand shortcode can help to decrease clutter on screen by hiding part of text. Expand content by clicking on it.
-
-## Example
-### Default
-
-```tpl
-{{</* expand */>}}
-## Markdown content
-Lorem markdownum insigne...
-{{</* /expand */>}}
-```
-
-{{< expand >}}
-## Markdown content
-Lorem markdownum insigne...
-{{< /expand >}}
-
-### With Custom Label
-
-```tpl
-{{</* expand "Custom Label" "..." */>}}
-## Markdown content
-Lorem markdownum insigne...
-{{</* /expand */>}}
-```
-
-{{< expand "Custom Label" "..." >}}
-## Markdown content
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-{{< /expand >}}
diff --git a/website/content/docs/shortcodes/hints.md b/website/content/docs/shortcodes/hints.md
deleted file mode 100644
index 3477113d..00000000
--- a/website/content/docs/shortcodes/hints.md
+++ /dev/null
@@ -1,32 +0,0 @@
-# Hints
-
-Hint shortcode can be used as hint/alerts/notification block.  
-There are 3 colors to choose: `info`, `warning` and `danger`.
-
-```tpl
-{{</* hint [info|warning|danger] */>}}
-**Markdown content**  
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-{{</* /hint */>}}
-```
-
-## Example
-
-{{< hint info >}}
-**Markdown content**  
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-{{< /hint >}}
-
-{{< hint warning >}}
-**Markdown content**  
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-{{< /hint >}}
-
-{{< hint danger >}}
-**Markdown content**  
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-{{< /hint >}}
diff --git a/website/content/docs/shortcodes/katex.md b/website/content/docs/shortcodes/katex.md
deleted file mode 100644
index 4beeaa00..00000000
--- a/website/content/docs/shortcodes/katex.md
+++ /dev/null
@@ -1,28 +0,0 @@
-# KaTeX
-
-KaTeX shortcode let you render math typesetting in markdown document. See [KaTeX](https://katex.org/)
-
-## Example
-{{< columns >}}
-
-```latex
-{{</* katex [display] [class="text-center"]  */>}}
-f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
-{{</* /katex */>}}
-```
-
-<--->
-
-{{< katex display >}}
-f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
-{{< /katex >}}
-
-{{< /columns >}}
-
-## Display Mode Example
-
-Here is some inline example: {{< katex >}}\pi(x){{< /katex >}}, rendered in the same line. And below is `display` example, having `display: block`
-{{< katex display >}}
-f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
-{{< /katex >}}
-Text continues here.
diff --git a/website/content/docs/shortcodes/mermaid.md b/website/content/docs/shortcodes/mermaid.md
deleted file mode 100644
index 3a617bcc..00000000
--- a/website/content/docs/shortcodes/mermaid.md
+++ /dev/null
@@ -1,38 +0,0 @@
-# Mermaid Chart
-
-[Mermaid](https://mermaidjs.github.io/) is library for generating svg charts and diagrams from text.
-
-## Example
-
-{{< columns >}}
-```tpl
-{{</* mermaid [class="text-center"]*/>}}
-sequenceDiagram
-    Alice->>Bob: Hello Bob, how are you?
-    alt is sick
-        Bob->>Alice: Not so good :(
-    else is well
-        Bob->>Alice: Feeling fresh like a daisy
-    end
-    opt Extra response
-        Bob->>Alice: Thanks for asking
-    end
-{{</* /mermaid */>}}
-```
-
-<--->
-
-{{< mermaid >}}
-sequenceDiagram
-    Alice->>Bob: Hello Bob, how are you?
-    alt is sick
-        Bob->>Alice: Not so good :(
-    else is well
-        Bob->>Alice: Feeling fresh like a daisy
-    end
-    opt Extra response
-        Bob->>Alice: Thanks for asking
-    end
-{{< /mermaid >}}
-
-{{< /columns >}}
diff --git a/website/content/docs/shortcodes/section/_index.md b/website/content/docs/shortcodes/section/_index.md
deleted file mode 100644
index bd5db38b..00000000
--- a/website/content/docs/shortcodes/section/_index.md
+++ /dev/null
@@ -1,15 +0,0 @@
----
-bookCollapseSection: true
----
-
-# Section
-
-Section renders pages in section as definition list, using title and description.
-
-## Example
-
-```tpl
-{{</* section */>}}
-```
-
-{{<section>}}
diff --git a/website/content/docs/shortcodes/section/page1.md b/website/content/docs/shortcodes/section/page1.md
deleted file mode 100644
index 96080014..00000000
--- a/website/content/docs/shortcodes/section/page1.md
+++ /dev/null
@@ -1 +0,0 @@
-# Page 1
diff --git a/website/content/docs/shortcodes/section/page2.md b/website/content/docs/shortcodes/section/page2.md
deleted file mode 100644
index f310be33..00000000
--- a/website/content/docs/shortcodes/section/page2.md
+++ /dev/null
@@ -1 +0,0 @@
-# Page 2
diff --git a/website/content/docs/shortcodes/tabs.md b/website/content/docs/shortcodes/tabs.md
deleted file mode 100644
index 096892c6..00000000
--- a/website/content/docs/shortcodes/tabs.md
+++ /dev/null
@@ -1,50 +0,0 @@
-# Tabs
-
-Tabs let you organize content by context, for example installation instructions for each supported platform.
-
-```tpl
-{{</* tabs "uniqueid" */>}}
-{{</* tab "MacOS" */>}} # MacOS Content {{</* /tab */>}}
-{{</* tab "Linux" */>}} # Linux Content {{</* /tab */>}}
-{{</* tab "Windows" */>}} # Windows Content {{</* /tab */>}}
-{{</* /tabs */>}}
-```
-
-## Example
-
-{{< tabs "uniqueid" >}}
-{{< tab "MacOS" >}}
-# MacOS
-
-This is tab **MacOS** content.
-
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-{{< /tab >}}
-
-{{< tab "Linux" >}}
-
-# Linux
-
-This is tab **Linux** content.
-
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-{{< /tab >}}
-
-{{< tab "Windows" >}}
-
-# Windows
-
-This is tab **Windows** content.
-
-Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
-stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
-protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
-Miseratus fonte Ditis conubia.
-{{< /tab >}}
-{{< /tabs >}}
diff --git a/website/content/menu/index.md b/website/content/menu/index.md
deleted file mode 100644
index fde47cd3..00000000
--- a/website/content/menu/index.md
+++ /dev/null
@@ -1,609 +0,0 @@
----
-headless: true
----
-
-<hr>
-
-- [第一章 序章]({{< relref "/ChapterOne/_index.md" >}})
-  - [1.1 关于作者]({{< relref "/ChapterOne/#关于作者" >}})
-  - [1.2 数据结构知识]({{< relref "/ChapterOne/Data_Structure.md" >}})
-  - [1.3 算法知识]({{< relref "/ChapterOne/Algorithm.md" >}})
-- [第二章 算法专题]({{< relref "/ChapterTwo/_index.md" >}})
-  - [2.01 Array]({{< relref "/ChapterTwo/Array.md" >}})
-  - [2.02 String]({{< relref "/ChapterTwo/String.md" >}})
-  - [2.03 ✅ Two Pointers]({{< relref "/ChapterTwo/Two_Pointers.md" >}})
-  - [2.04 ✅ Linked List]({{< relref "/ChapterTwo/Linked_List.md" >}})
-  - [2.05 ✅ Stack]({{< relref "/ChapterTwo/Stack.md" >}})
-  - [2.06 Tree]({{< relref "/ChapterTwo/Tree.md" >}})
-  - [2.07 Dynamic Programming]({{< relref "/ChapterTwo/Dynamic_Programming.md" >}})
-  - [2.08 ✅ Backtracking]({{< relref "/ChapterTwo/Backtracking.md" >}})
-  - [2.09 Depth First Search]({{< relref "/ChapterTwo/Depth_First_Search.md" >}})
-  - [2.10 Breadth First Search]({{< relref "/ChapterTwo/Breadth_First_Search.md" >}})
-  - [2.11 Binary Search]({{< relref "/ChapterTwo/Binary_Search.md" >}})
-  - [2.12 Math]({{< relref "/ChapterTwo/Math.md" >}})
-  - [2.13 Hash Table]({{< relref "/ChapterTwo/Hash_Table.md" >}})
-  - [2.14 ✅ Sort]({{< relref "/ChapterTwo/Sort.md" >}})
-  - [2.15 ✅ Bit Manipulation]({{< relref "/ChapterTwo/Bit_Manipulation.md" >}})
-  - [2.16 ✅ Union Find]({{< relref "/ChapterTwo/Union_Find.md" >}})
-  - [2.17 ✅ Sliding Window]({{< relref "/ChapterTwo/Sliding_Window.md" >}})
-  - [2.18 ✅ Segment Tree]({{< relref "/ChapterTwo/Segment_Tree.md" >}})
-  - [2.19 ✅ Binary Indexed Tree]({{< relref "/ChapterTwo/Binary_Indexed_Tree.md" >}})
-- [第三章 一些模板]({{< relref "/ChapterThree/_index.md" >}})
-  - [3.1 Segment Tree]({{< relref "/ChapterThree/Segment_Tree.md" >}})
-  - [3.2 UnionFind]({{< relref "/ChapterThree/UnionFind.md" >}})
-  - [3.3 LRUCache]({{< relref "/ChapterThree/LRUCache.md" >}})
-  - [3.4 LFUCache]({{< relref "/ChapterThree/LFUCache.md" >}})
-- [第四章 Leetcode 题解]({{< relref "/ChapterFour/_index.md" >}})
-    - [0001.Two-Sum]({{< relref "/ChapterFour/0001.Two-Sum.md" >}})
-    - [0002.Add-Two-Numbers]({{< relref "/ChapterFour/0002.Add-Two-Numbers.md" >}})
-    - [0003.Longest-Substring-Without-Repeating-Characters]({{< relref "/ChapterFour/0003.Longest-Substring-Without-Repeating-Characters.md" >}})
-    - [0004.Median-of-Two-Sorted-Arrays]({{< relref "/ChapterFour/0004.Median-of-Two-Sorted-Arrays.md" >}})
-    - [0007.Reverse-Integer]({{< relref "/ChapterFour/0007.Reverse-Integer.md" >}})
-    - [0009.Palindrome-Number]({{< relref "/ChapterFour/0009.Palindrome-Number.md" >}})
-    - [0011.Container-With-Most-Water]({{< relref "/ChapterFour/0011.Container-With-Most-Water.md" >}})
-    - [0013.Roman-to-Integer]({{< relref "/ChapterFour/0013.Roman-to-Integer.md" >}})
-    - [0015.3Sum]({{< relref "/ChapterFour/0015.3Sum.md" >}})
-    - [0016.3Sum-Closest]({{< relref "/ChapterFour/0016.3Sum-Closest.md" >}})
-    - [0017.Letter-Combinations-of-a-Phone-Number]({{< relref "/ChapterFour/0017.Letter-Combinations-of-a-Phone-Number.md" >}})
-    - [0018.4Sum]({{< relref "/ChapterFour/0018.4Sum.md" >}})
-    - [0019.Remove-Nth-Node-From-End-of-List]({{< relref "/ChapterFour/0019.Remove-Nth-Node-From-End-of-List.md" >}})
-    - [0020.Valid-Parentheses]({{< relref "/ChapterFour/0020.Valid-Parentheses.md" >}})
-    - [0021.Merge-Two-Sorted-Lists]({{< relref "/ChapterFour/0021.Merge-Two-Sorted-Lists.md" >}})
-    - [0022.Generate-Parentheses]({{< relref "/ChapterFour/0022.Generate-Parentheses.md" >}})
-    - [0023.Merge-k-Sorted-Lists]({{< relref "/ChapterFour/0023.Merge-k-Sorted-Lists.md" >}})
-    - [0024.Swap-Nodes-in-Pairs]({{< relref "/ChapterFour/0024.Swap-Nodes-in-Pairs.md" >}})
-    - [0025.Reverse-Nodes-in-k-Group]({{< relref "/ChapterFour/0025.Reverse-Nodes-in-k-Group.md" >}})
-    - [0026.Remove-Duplicates-from-Sorted-Array]({{< relref "/ChapterFour/0026.Remove-Duplicates-from-Sorted-Array.md" >}})
-    - [0027.Remove-Element]({{< relref "/ChapterFour/0027.Remove-Element.md" >}})
-    - [0028.Implement-strStr]({{< relref "/ChapterFour/0028.Implement-strStr.md" >}})
-    - [0029.Divide-Two-Integers]({{< relref "/ChapterFour/0029.Divide-Two-Integers.md" >}})
-    - [0030.Substring-with-Concatenation-of-All-Words]({{< relref "/ChapterFour/0030.Substring-with-Concatenation-of-All-Words.md" >}})
-    - [0033.Search-in-Rotated-Sorted-Array]({{< relref "/ChapterFour/0033.Search-in-Rotated-Sorted-Array.md" >}})
-    - [0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array]({{< relref "/ChapterFour/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})
-    - [0035.Search-Insert-Position]({{< relref "/ChapterFour/0035.Search-Insert-Position.md" >}})
-    - [0036.Valid-Sudoku]({{< relref "/ChapterFour/0036.Valid-Sudoku.md" >}})
-    - [0037.Sudoku-Solver]({{< relref "/ChapterFour/0037.Sudoku-Solver.md" >}})
-    - [0039.Combination-Sum]({{< relref "/ChapterFour/0039.Combination-Sum.md" >}})
-    - [0040.Combination-Sum-II]({{< relref "/ChapterFour/0040.Combination-Sum-II.md" >}})
-    - [0041.First-Missing-Positive]({{< relref "/ChapterFour/0041.First-Missing-Positive.md" >}})
-    - [0042.Trapping-Rain-Water]({{< relref "/ChapterFour/0042.Trapping-Rain-Water.md" >}})
-    - [0046.Permutations]({{< relref "/ChapterFour/0046.Permutations.md" >}})
-    - [0047.Permutations-II]({{< relref "/ChapterFour/0047.Permutations-II.md" >}})
-    - [0048.Rotate-Image]({{< relref "/ChapterFour/0048.Rotate-Image.md" >}})
-    - [0049.Group-Anagrams]({{< relref "/ChapterFour/0049.Group-Anagrams.md" >}})
-    - [0050.Powx-n]({{< relref "/ChapterFour/0050.Powx-n.md" >}})
-    - [0051.N-Queens]({{< relref "/ChapterFour/0051.N-Queens.md" >}})
-    - [0052.N-Queens-II]({{< relref "/ChapterFour/0052.N-Queens-II.md" >}})
-    - [0053.Maximum-Subarray]({{< relref "/ChapterFour/0053.Maximum-Subarray.md" >}})
-    - [0054.Spiral-Matrix]({{< relref "/ChapterFour/0054.Spiral-Matrix.md" >}})
-    - [0055.Jump-Game]({{< relref "/ChapterFour/0055.Jump-Game.md" >}})
-    - [0056.Merge-Intervals]({{< relref "/ChapterFour/0056.Merge-Intervals.md" >}})
-    - [0057.Insert-Interval]({{< relref "/ChapterFour/0057.Insert-Interval.md" >}})
-    - [0059.Spiral-Matrix-II]({{< relref "/ChapterFour/0059.Spiral-Matrix-II.md" >}})
-    - [0060.Permutation-Sequence]({{< relref "/ChapterFour/0060.Permutation-Sequence.md" >}})
-    - [0061.Rotate-List]({{< relref "/ChapterFour/0061.Rotate-List.md" >}})
-    - [0062.Unique-Paths]({{< relref "/ChapterFour/0062.Unique-Paths.md" >}})
-    - [0063.Unique-Paths-II]({{< relref "/ChapterFour/0063.Unique-Paths-II.md" >}})
-    - [0064.Minimum-Path-Sum]({{< relref "/ChapterFour/0064.Minimum-Path-Sum.md" >}})
-    - [0066.Plus-One]({{< relref "/ChapterFour/0066.Plus-One.md" >}})
-    - [0067.Add-Binary]({{< relref "/ChapterFour/0067.Add-Binary.md" >}})
-    - [0069.Sqrtx]({{< relref "/ChapterFour/0069.Sqrtx.md" >}})
-    - [0070.Climbing-Stairs]({{< relref "/ChapterFour/0070.Climbing-Stairs.md" >}})
-    - [0071.Simplify-Path]({{< relref "/ChapterFour/0071.Simplify-Path.md" >}})
-    - [0074.Search-a-2D-Matrix]({{< relref "/ChapterFour/0074.Search-a-2D-Matrix.md" >}})
-    - [0075.Sort-Colors]({{< relref "/ChapterFour/0075.Sort-Colors.md" >}})
-    - [0076.Minimum-Window-Substring]({{< relref "/ChapterFour/0076.Minimum-Window-Substring.md" >}})
-    - [0077.Combinations]({{< relref "/ChapterFour/0077.Combinations.md" >}})
-    - [0078.Subsets]({{< relref "/ChapterFour/0078.Subsets.md" >}})
-    - [0079.Word-Search]({{< relref "/ChapterFour/0079.Word-Search.md" >}})
-    - [0080.Remove-Duplicates-from-Sorted-Array-II]({{< relref "/ChapterFour/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})
-    - [0081.Search-in-Rotated-Sorted-Array-II]({{< relref "/ChapterFour/0081.Search-in-Rotated-Sorted-Array-II.md" >}})
-    - [0082.Remove-Duplicates-from-Sorted-List-II]({{< relref "/ChapterFour/0082.Remove-Duplicates-from-Sorted-List-II.md" >}})
-    - [0083.Remove-Duplicates-from-Sorted-List]({{< relref "/ChapterFour/0083.Remove-Duplicates-from-Sorted-List.md" >}})
-    - [0084.Largest-Rectangle-in-Histogram]({{< relref "/ChapterFour/0084.Largest-Rectangle-in-Histogram.md" >}})
-    - [0086.Partition-List]({{< relref "/ChapterFour/0086.Partition-List.md" >}})
-    - [0088.Merge-Sorted-Array]({{< relref "/ChapterFour/0088.Merge-Sorted-Array.md" >}})
-    - [0089.Gray-Code]({{< relref "/ChapterFour/0089.Gray-Code.md" >}})
-    - [0090.Subsets-II]({{< relref "/ChapterFour/0090.Subsets-II.md" >}})
-    - [0091.Decode-Ways]({{< relref "/ChapterFour/0091.Decode-Ways.md" >}})
-    - [0092.Reverse-Linked-List-II]({{< relref "/ChapterFour/0092.Reverse-Linked-List-II.md" >}})
-    - [0093.Restore-IP-Addresses]({{< relref "/ChapterFour/0093.Restore-IP-Addresses.md" >}})
-    - [0094.Binary-Tree-Inorder-Traversal]({{< relref "/ChapterFour/0094.Binary-Tree-Inorder-Traversal.md" >}})
-    - [0095.Unique-Binary-Search-Trees-II]({{< relref "/ChapterFour/0095.Unique-Binary-Search-Trees-II.md" >}})
-    - [0096.Unique-Binary-Search-Trees]({{< relref "/ChapterFour/0096.Unique-Binary-Search-Trees.md" >}})
-    - [0098.Validate-Binary-Search-Tree]({{< relref "/ChapterFour/0098.Validate-Binary-Search-Tree.md" >}})
-    - [0099.Recover-Binary-Search-Tree]({{< relref "/ChapterFour/0099.Recover-Binary-Search-Tree.md" >}})
-    - [0100.Same-Tree]({{< relref "/ChapterFour/0100.Same-Tree.md" >}})
-    - [0101.Symmetric-Tree]({{< relref "/ChapterFour/0101.Symmetric-Tree.md" >}})
-    - [0102.Binary-Tree-Level-Order-Traversal]({{< relref "/ChapterFour/0102.Binary-Tree-Level-Order-Traversal.md" >}})
-    - [0103.Binary-Tree-Zigzag-Level-Order-Traversal]({{< relref "/ChapterFour/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md" >}})
-    - [0104.Maximum-Depth-of-Binary-Tree]({{< relref "/ChapterFour/0104.Maximum-Depth-of-Binary-Tree.md" >}})
-    - [0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal]({{< relref "/ChapterFour/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md" >}})
-    - [0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal]({{< relref "/ChapterFour/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal.md" >}})
-    - [0107.Binary-Tree-Level-Order-Traversal-II]({{< relref "/ChapterFour/0107.Binary-Tree-Level-Order-Traversal-II.md" >}})
-    - [0108.Convert-Sorted-Array-to-Binary-Search-Tree]({{< relref "/ChapterFour/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md" >}})
-    - [0109.Convert-Sorted-List-to-Binary-Search-Tree]({{< relref "/ChapterFour/0109.Convert-Sorted-List-to-Binary-Search-Tree.md" >}})
-    - [0110.Balanced-Binary-Tree]({{< relref "/ChapterFour/0110.Balanced-Binary-Tree.md" >}})
-    - [0111.Minimum-Depth-of-Binary-Tree]({{< relref "/ChapterFour/0111.Minimum-Depth-of-Binary-Tree.md" >}})
-    - [0112.Path-Sum]({{< relref "/ChapterFour/0112.Path-Sum.md" >}})
-    - [0113.Path-Sum-II]({{< relref "/ChapterFour/0113.Path-Sum-II.md" >}})
-    - [0114.Flatten-Binary-Tree-to-Linked-List]({{< relref "/ChapterFour/0114.Flatten-Binary-Tree-to-Linked-List.md" >}})
-    - [0118.Pascals-Triangle]({{< relref "/ChapterFour/0118.Pascals-Triangle.md" >}})
-    - [0120.Triangle]({{< relref "/ChapterFour/0120.Triangle.md" >}})
-    - [0121.Best-Time-to-Buy-and-Sell-Stock]({{< relref "/ChapterFour/0121.Best-Time-to-Buy-and-Sell-Stock.md" >}})
-    - [0122.Best-Time-to-Buy-and-Sell-Stock-II]({{< relref "/ChapterFour/0122.Best-Time-to-Buy-and-Sell-Stock-II.md" >}})
-    - [0124.Binary-Tree-Maximum-Path-Sum]({{< relref "/ChapterFour/0124.Binary-Tree-Maximum-Path-Sum.md" >}})
-    - [0125.Valid-Palindrome]({{< relref "/ChapterFour/0125.Valid-Palindrome.md" >}})
-    - [0126.Word-Ladder-II]({{< relref "/ChapterFour/0126.Word-Ladder-II.md" >}})
-    - [0127.Word-Ladder]({{< relref "/ChapterFour/0127.Word-Ladder.md" >}})
-    - [0128.Longest-Consecutive-Sequence]({{< relref "/ChapterFour/0128.Longest-Consecutive-Sequence.md" >}})
-    - [0129.Sum-Root-to-Leaf-Numbers]({{< relref "/ChapterFour/0129.Sum-Root-to-Leaf-Numbers.md" >}})
-    - [0130.Surrounded-Regions]({{< relref "/ChapterFour/0130.Surrounded-Regions.md" >}})
-    - [0131.Palindrome-Partitioning]({{< relref "/ChapterFour/0131.Palindrome-Partitioning.md" >}})
-    - [0136.Single-Number]({{< relref "/ChapterFour/0136.Single-Number.md" >}})
-    - [0137.Single-Number-II]({{< relref "/ChapterFour/0137.Single-Number-II.md" >}})
-    - [0138.Copy-List-With-Random-Pointer]({{< relref "/ChapterFour/0138.Copy-List-With-Random-Pointer.md" >}})
-    - [0141.Linked-List-Cycle]({{< relref "/ChapterFour/0141.Linked-List-Cycle.md" >}})
-    - [0142.Linked-List-Cycle-II]({{< relref "/ChapterFour/0142.Linked-List-Cycle-II.md" >}})
-    - [0143.Reorder-List]({{< relref "/ChapterFour/0143.Reorder-List.md" >}})
-    - [0144.Binary-Tree-Preorder-Traversal]({{< relref "/ChapterFour/0144.Binary-Tree-Preorder-Traversal.md" >}})
-    - [0145.Binary-Tree-Postorder-Traversal]({{< relref "/ChapterFour/0145.Binary-Tree-Postorder-Traversal.md" >}})
-    - [0146.LRU-Cache]({{< relref "/ChapterFour/0146.LRU-Cache.md" >}})
-    - [0147.Insertion-Sort-List]({{< relref "/ChapterFour/0147.Insertion-Sort-List.md" >}})
-    - [0148.Sort-List]({{< relref "/ChapterFour/0148.Sort-List.md" >}})
-    - [0150.Evaluate-Reverse-Polish-Notation]({{< relref "/ChapterFour/0150.Evaluate-Reverse-Polish-Notation.md" >}})
-    - [0151.Reverse-Words-in-a-String]({{< relref "/ChapterFour/0151.Reverse-Words-in-a-String.md" >}})
-    - [0152.Maximum-Product-Subarray]({{< relref "/ChapterFour/0152.Maximum-Product-Subarray.md" >}})
-    - [0153.Find-Minimum-in-Rotated-Sorted-Array]({{< relref "/ChapterFour/0153.Find-Minimum-in-Rotated-Sorted-Array.md" >}})
-    - [0154.Find-Minimum-in-Rotated-Sorted-Array-II]({{< relref "/ChapterFour/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md" >}})
-    - [0155.Min-Stack]({{< relref "/ChapterFour/0155.Min-Stack.md" >}})
-    - [0160.Intersection-of-Two-Linked-Lists]({{< relref "/ChapterFour/0160.Intersection-of-Two-Linked-Lists.md" >}})
-    - [0162.Find-Peak-Element]({{< relref "/ChapterFour/0162.Find-Peak-Element.md" >}})
-    - [0164.Maximum-Gap]({{< relref "/ChapterFour/0164.Maximum-Gap.md" >}})
-    - [0167.Two-Sum-II---Input-array-is-sorted]({{< relref "/ChapterFour/0167.Two-Sum-II---Input-array-is-sorted.md" >}})
-    - [0168.Excel-Sheet-Column-Title]({{< relref "/ChapterFour/0168.Excel-Sheet-Column-Title.md" >}})
-    - [0169.Majority-Element]({{< relref "/ChapterFour/0169.Majority-Element.md" >}})
-    - [0171.Excel-Sheet-Column-Number]({{< relref "/ChapterFour/0171.Excel-Sheet-Column-Number.md" >}})
-    - [0172.Factorial-Trailing-Zeroes]({{< relref "/ChapterFour/0172.Factorial-Trailing-Zeroes.md" >}})
-    - [0173.Binary-Search-Tree-Iterator]({{< relref "/ChapterFour/0173.Binary-Search-Tree-Iterator.md" >}})
-    - [0174.Dungeon-Game]({{< relref "/ChapterFour/0174.Dungeon-Game.md" >}})
-    - [0179.Largest-Number]({{< relref "/ChapterFour/0179.Largest-Number.md" >}})
-    - [0187.Repeated-DNA-Sequences]({{< relref "/ChapterFour/0187.Repeated-DNA-Sequences.md" >}})
-    - [0189.Rotate-Array]({{< relref "/ChapterFour/0189.Rotate-Array.md" >}})
-    - [0190.Reverse-Bits]({{< relref "/ChapterFour/0190.Reverse-Bits.md" >}})
-    - [0191.Number-of-1-Bits]({{< relref "/ChapterFour/0191.Number-of-1-Bits.md" >}})
-    - [0198.House-Robber]({{< relref "/ChapterFour/0198.House-Robber.md" >}})
-    - [0199.Binary-Tree-Right-Side-View]({{< relref "/ChapterFour/0199.Binary-Tree-Right-Side-View.md" >}})
-    - [0200.Number-of-Islands]({{< relref "/ChapterFour/0200.Number-of-Islands.md" >}})
-    - [0201.Bitwise-AND-of-Numbers-Range]({{< relref "/ChapterFour/0201.Bitwise-AND-of-Numbers-Range.md" >}})
-    - [0202.Happy-Number]({{< relref "/ChapterFour/0202.Happy-Number.md" >}})
-    - [0203.Remove-Linked-List-Elements]({{< relref "/ChapterFour/0203.Remove-Linked-List-Elements.md" >}})
-    - [0204.Count-Primes]({{< relref "/ChapterFour/0204.Count-Primes.md" >}})
-    - [0205.Isomorphic-Strings]({{< relref "/ChapterFour/0205.Isomorphic-Strings.md" >}})
-    - [0206.Reverse-Linked-List]({{< relref "/ChapterFour/0206.Reverse-Linked-List.md" >}})
-    - [0207.Course-Schedule]({{< relref "/ChapterFour/0207.Course-Schedule.md" >}})
-    - [0208.Implement-Trie-Prefix-Tree]({{< relref "/ChapterFour/0208.Implement-Trie-Prefix-Tree.md" >}})
-    - [0209.Minimum-Size-Subarray-Sum]({{< relref "/ChapterFour/0209.Minimum-Size-Subarray-Sum.md" >}})
-    - [0210.Course-Schedule-II]({{< relref "/ChapterFour/0210.Course-Schedule-II.md" >}})
-    - [0211.Design-Add-and-Search-Words-Data-Structure]({{< relref "/ChapterFour/0211.Design-Add-and-Search-Words-Data-Structure.md" >}})
-    - [0212.Word-Search-II]({{< relref "/ChapterFour/0212.Word-Search-II.md" >}})
-    - [0213.House-Robber-II]({{< relref "/ChapterFour/0213.House-Robber-II.md" >}})
-    - [0215.Kth-Largest-Element-in-an-Array]({{< relref "/ChapterFour/0215.Kth-Largest-Element-in-an-Array.md" >}})
-    - [0216.Combination-Sum-III]({{< relref "/ChapterFour/0216.Combination-Sum-III.md" >}})
-    - [0217.Contains-Duplicate]({{< relref "/ChapterFour/0217.Contains-Duplicate.md" >}})
-    - [0218.The-Skyline-Problem]({{< relref "/ChapterFour/0218.The-Skyline-Problem.md" >}})
-    - [0219.Contains-Duplicate-II]({{< relref "/ChapterFour/0219.Contains-Duplicate-II.md" >}})
-    - [0220.Contains-Duplicate-III]({{< relref "/ChapterFour/0220.Contains-Duplicate-III.md" >}})
-    - [0222.Count-Complete-Tree-Nodes]({{< relref "/ChapterFour/0222.Count-Complete-Tree-Nodes.md" >}})
-    - [0223.Rectangle-Area]({{< relref "/ChapterFour/0223.Rectangle-Area.md" >}})
-    - [0224.Basic-Calculator]({{< relref "/ChapterFour/0224.Basic-Calculator.md" >}})
-    - [0225.Implement-Stack-using-Queues]({{< relref "/ChapterFour/0225.Implement-Stack-using-Queues.md" >}})
-    - [0226.Invert-Binary-Tree]({{< relref "/ChapterFour/0226.Invert-Binary-Tree.md" >}})
-    - [0228.Summary-Ranges]({{< relref "/ChapterFour/0228.Summary-Ranges.md" >}})
-    - [0229.Majority-Element-II]({{< relref "/ChapterFour/0229.Majority-Element-II.md" >}})
-    - [0230.Kth-Smallest-Element-in-a-BST]({{< relref "/ChapterFour/0230.Kth-Smallest-Element-in-a-BST.md" >}})
-    - [0231.Power-of-Two]({{< relref "/ChapterFour/0231.Power-of-Two.md" >}})
-    - [0232.Implement-Queue-using-Stacks]({{< relref "/ChapterFour/0232.Implement-Queue-using-Stacks.md" >}})
-    - [0234.Palindrome-Linked-List]({{< relref "/ChapterFour/0234.Palindrome-Linked-List.md" >}})
-    - [0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree]({{< relref "/ChapterFour/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree.md" >}})
-    - [0236.Lowest-Common-Ancestor-of-a-Binary-Tree]({{< relref "/ChapterFour/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md" >}})
-    - [0237.Delete-Node-in-a-Linked-List]({{< relref "/ChapterFour/0237.Delete-Node-in-a-Linked-List.md" >}})
-    - [0239.Sliding-Window-Maximum]({{< relref "/ChapterFour/0239.Sliding-Window-Maximum.md" >}})
-    - [0240.Search-a-2D-Matrix-II]({{< relref "/ChapterFour/0240.Search-a-2D-Matrix-II.md" >}})
-    - [0242.Valid-Anagram]({{< relref "/ChapterFour/0242.Valid-Anagram.md" >}})
-    - [0257.Binary-Tree-Paths]({{< relref "/ChapterFour/0257.Binary-Tree-Paths.md" >}})
-    - [0258.Add-Digits]({{< relref "/ChapterFour/0258.Add-Digits.md" >}})
-    - [0260.Single-Number-III]({{< relref "/ChapterFour/0260.Single-Number-III.md" >}})
-    - [0263.Ugly-Number]({{< relref "/ChapterFour/0263.Ugly-Number.md" >}})
-    - [0268.Missing-Number]({{< relref "/ChapterFour/0268.Missing-Number.md" >}})
-    - [0274.H-Index]({{< relref "/ChapterFour/0274.H-Index.md" >}})
-    - [0275.H-Index-II]({{< relref "/ChapterFour/0275.H-Index-II.md" >}})
-    - [0283.Move-Zeroes]({{< relref "/ChapterFour/0283.Move-Zeroes.md" >}})
-    - [0287.Find-the-Duplicate-Number]({{< relref "/ChapterFour/0287.Find-the-Duplicate-Number.md" >}})
-    - [0290.Word-Pattern]({{< relref "/ChapterFour/0290.Word-Pattern.md" >}})
-    - [0300.Longest-Increasing-Subsequence]({{< relref "/ChapterFour/0300.Longest-Increasing-Subsequence.md" >}})
-    - [0303.Range-Sum-Query---Immutable]({{< relref "/ChapterFour/0303.Range-Sum-Query---Immutable.md" >}})
-    - [0306.Additive-Number]({{< relref "/ChapterFour/0306.Additive-Number.md" >}})
-    - [0307.Range-Sum-Query---Mutable]({{< relref "/ChapterFour/0307.Range-Sum-Query---Mutable.md" >}})
-    - [0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown]({{< relref "/ChapterFour/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown.md" >}})
-    - [0315.Count-of-Smaller-Numbers-After-Self]({{< relref "/ChapterFour/0315.Count-of-Smaller-Numbers-After-Self.md" >}})
-    - [0318.Maximum-Product-of-Word-Lengths]({{< relref "/ChapterFour/0318.Maximum-Product-of-Word-Lengths.md" >}})
-    - [0322.Coin-Change]({{< relref "/ChapterFour/0322.Coin-Change.md" >}})
-    - [0324.Wiggle-Sort-II]({{< relref "/ChapterFour/0324.Wiggle-Sort-II.md" >}})
-    - [0326.Power-of-Three]({{< relref "/ChapterFour/0326.Power-of-Three.md" >}})
-    - [0327.Count-of-Range-Sum]({{< relref "/ChapterFour/0327.Count-of-Range-Sum.md" >}})
-    - [0328.Odd-Even-Linked-List]({{< relref "/ChapterFour/0328.Odd-Even-Linked-List.md" >}})
-    - [0329.Longest-Increasing-Path-in-a-Matrix]({{< relref "/ChapterFour/0329.Longest-Increasing-Path-in-a-Matrix.md" >}})
-    - [0331.Verify-Preorder-Serialization-of-a-Binary-Tree]({{< relref "/ChapterFour/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md" >}})
-    - [0337.House-Robber-III]({{< relref "/ChapterFour/0337.House-Robber-III.md" >}})
-    - [0338.Counting-Bits]({{< relref "/ChapterFour/0338.Counting-Bits.md" >}})
-    - [0342.Power-of-Four]({{< relref "/ChapterFour/0342.Power-of-Four.md" >}})
-    - [0343.Integer-Break]({{< relref "/ChapterFour/0343.Integer-Break.md" >}})
-    - [0344.Reverse-String]({{< relref "/ChapterFour/0344.Reverse-String.md" >}})
-    - [0345.Reverse-Vowels-of-a-String]({{< relref "/ChapterFour/0345.Reverse-Vowels-of-a-String.md" >}})
-    - [0347.Top-K-Frequent-Elements]({{< relref "/ChapterFour/0347.Top-K-Frequent-Elements.md" >}})
-    - [0349.Intersection-of-Two-Arrays]({{< relref "/ChapterFour/0349.Intersection-of-Two-Arrays.md" >}})
-    - [0350.Intersection-of-Two-Arrays-II]({{< relref "/ChapterFour/0350.Intersection-of-Two-Arrays-II.md" >}})
-    - [0354.Russian-Doll-Envelopes]({{< relref "/ChapterFour/0354.Russian-Doll-Envelopes.md" >}})
-    - [0357.Count-Numbers-with-Unique-Digits]({{< relref "/ChapterFour/0357.Count-Numbers-with-Unique-Digits.md" >}})
-    - [0367.Valid-Perfect-Square]({{< relref "/ChapterFour/0367.Valid-Perfect-Square.md" >}})
-    - [0371.Sum-of-Two-Integers]({{< relref "/ChapterFour/0371.Sum-of-Two-Integers.md" >}})
-    - [0372.Super-Pow]({{< relref "/ChapterFour/0372.Super-Pow.md" >}})
-    - [0373.Find-K-Pairs-with-Smallest-Sums]({{< relref "/ChapterFour/0373.Find-K-Pairs-with-Smallest-Sums.md" >}})
-    - [0378.Kth-Smallest-Element-in-a-Sorted-Matrix]({{< relref "/ChapterFour/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md" >}})
-    - [0385.Mini-Parser]({{< relref "/ChapterFour/0385.Mini-Parser.md" >}})
-    - [0386.Lexicographical-Numbers]({{< relref "/ChapterFour/0386.Lexicographical-Numbers.md" >}})
-    - [0387.First-Unique-Character-in-a-String]({{< relref "/ChapterFour/0387.First-Unique-Character-in-a-String.md" >}})
-    - [0389.Find-the-Difference]({{< relref "/ChapterFour/0389.Find-the-Difference.md" >}})
-    - [0392.Is-Subsequence]({{< relref "/ChapterFour/0392.Is-Subsequence.md" >}})
-    - [0393.UTF-8-Validation]({{< relref "/ChapterFour/0393.UTF-8-Validation.md" >}})
-    - [0394.Decode-String]({{< relref "/ChapterFour/0394.Decode-String.md" >}})
-    - [0397.Integer-Replacement]({{< relref "/ChapterFour/0397.Integer-Replacement.md" >}})
-    - [0399.Evaluate-Division]({{< relref "/ChapterFour/0399.Evaluate-Division.md" >}})
-    - [0401.Binary-Watch]({{< relref "/ChapterFour/0401.Binary-Watch.md" >}})
-    - [0402.Remove-K-Digits]({{< relref "/ChapterFour/0402.Remove-K-Digits.md" >}})
-    - [0404.Sum-of-Left-Leaves]({{< relref "/ChapterFour/0404.Sum-of-Left-Leaves.md" >}})
-    - [0405.Convert-a-Number-to-Hexadecimal]({{< relref "/ChapterFour/0405.Convert-a-Number-to-Hexadecimal.md" >}})
-    - [0409.Longest-Palindrome]({{< relref "/ChapterFour/0409.Longest-Palindrome.md" >}})
-    - [0410.Split-Array-Largest-Sum]({{< relref "/ChapterFour/0410.Split-Array-Largest-Sum.md" >}})
-    - [0412.Fizz-Buzz]({{< relref "/ChapterFour/0412.Fizz-Buzz.md" >}})
-    - [0414.Third-Maximum-Number]({{< relref "/ChapterFour/0414.Third-Maximum-Number.md" >}})
-    - [0416.Partition-Equal-Subset-Sum]({{< relref "/ChapterFour/0416.Partition-Equal-Subset-Sum.md" >}})
-    - [0421.Maximum-XOR-of-Two-Numbers-in-an-Array]({{< relref "/ChapterFour/0421.Maximum-XOR-of-Two-Numbers-in-an-Array.md" >}})
-    - [0424.Longest-Repeating-Character-Replacement]({{< relref "/ChapterFour/0424.Longest-Repeating-Character-Replacement.md" >}})
-    - [0433.Minimum-Genetic-Mutation]({{< relref "/ChapterFour/0433.Minimum-Genetic-Mutation.md" >}})
-    - [0435.Non-overlapping-Intervals]({{< relref "/ChapterFour/0435.Non-overlapping-Intervals.md" >}})
-    - [0436.Find-Right-Interval]({{< relref "/ChapterFour/0436.Find-Right-Interval.md" >}})
-    - [0437.Path-Sum-III]({{< relref "/ChapterFour/0437.Path-Sum-III.md" >}})
-    - [0438.Find-All-Anagrams-in-a-String]({{< relref "/ChapterFour/0438.Find-All-Anagrams-in-a-String.md" >}})
-    - [0441.Arranging-Coins]({{< relref "/ChapterFour/0441.Arranging-Coins.md" >}})
-    - [0445.Add-Two-Numbers-II]({{< relref "/ChapterFour/0445.Add-Two-Numbers-II.md" >}})
-    - [0447.Number-of-Boomerangs]({{< relref "/ChapterFour/0447.Number-of-Boomerangs.md" >}})
-    - [0448.Find-All-Numbers-Disappeared-in-an-Array]({{< relref "/ChapterFour/0448.Find-All-Numbers-Disappeared-in-an-Array.md" >}})
-    - [0451.Sort-Characters-By-Frequency]({{< relref "/ChapterFour/0451.Sort-Characters-By-Frequency.md" >}})
-    - [0453.Minimum-Moves-to-Equal-Array-Elements]({{< relref "/ChapterFour/0453.Minimum-Moves-to-Equal-Array-Elements.md" >}})
-    - [0454.4Sum-II]({{< relref "/ChapterFour/0454.4Sum-II.md" >}})
-    - [0455.Assign-Cookies]({{< relref "/ChapterFour/0455.Assign-Cookies.md" >}})
-    - [0456.132-Pattern]({{< relref "/ChapterFour/0456.132-Pattern.md" >}})
-    - [0457.Circular-Array-Loop]({{< relref "/ChapterFour/0457.Circular-Array-Loop.md" >}})
-    - [0460.LFU-Cache]({{< relref "/ChapterFour/0460.LFU-Cache.md" >}})
-    - [0461.Hamming-Distance]({{< relref "/ChapterFour/0461.Hamming-Distance.md" >}})
-    - [0463.Island-Perimeter]({{< relref "/ChapterFour/0463.Island-Perimeter.md" >}})
-    - [0470.Implement-Rand10-Using-Rand7]({{< relref "/ChapterFour/0470.Implement-Rand10-Using-Rand7.md" >}})
-    - [0474.Ones-and-Zeroes]({{< relref "/ChapterFour/0474.Ones-and-Zeroes.md" >}})
-    - [0475.Heaters]({{< relref "/ChapterFour/0475.Heaters.md" >}})
-    - [0476.Number-Complement]({{< relref "/ChapterFour/0476.Number-Complement.md" >}})
-    - [0477.Total-Hamming-Distance]({{< relref "/ChapterFour/0477.Total-Hamming-Distance.md" >}})
-    - [0480.Sliding-Window-Median]({{< relref "/ChapterFour/0480.Sliding-Window-Median.md" >}})
-    - [0483.Smallest-Good-Base]({{< relref "/ChapterFour/0483.Smallest-Good-Base.md" >}})
-    - [0485.Max-Consecutive-Ones]({{< relref "/ChapterFour/0485.Max-Consecutive-Ones.md" >}})
-    - [0491.Increasing-Subsequences]({{< relref "/ChapterFour/0491.Increasing-Subsequences.md" >}})
-    - [0493.Reverse-Pairs]({{< relref "/ChapterFour/0493.Reverse-Pairs.md" >}})
-    - [0494.Target-Sum]({{< relref "/ChapterFour/0494.Target-Sum.md" >}})
-    - [0496.Next-Greater-Element-I]({{< relref "/ChapterFour/0496.Next-Greater-Element-I.md" >}})
-    - [0497.Random-Point-in-Non-overlapping-Rectangles]({{< relref "/ChapterFour/0497.Random-Point-in-Non-overlapping-Rectangles.md" >}})
-    - [0498.Diagonal-Traverse]({{< relref "/ChapterFour/0498.Diagonal-Traverse.md" >}})
-    - [0500.Keyboard-Row]({{< relref "/ChapterFour/0500.Keyboard-Row.md" >}})
-    - [0503.Next-Greater-Element-II]({{< relref "/ChapterFour/0503.Next-Greater-Element-II.md" >}})
-    - [0507.Perfect-Number]({{< relref "/ChapterFour/0507.Perfect-Number.md" >}})
-    - [0508.Most-Frequent-Subtree-Sum]({{< relref "/ChapterFour/0508.Most-Frequent-Subtree-Sum.md" >}})
-    - [0509.Fibonacci-Number]({{< relref "/ChapterFour/0509.Fibonacci-Number.md" >}})
-    - [0513.Find-Bottom-Left-Tree-Value]({{< relref "/ChapterFour/0513.Find-Bottom-Left-Tree-Value.md" >}})
-    - [0515.Find-Largest-Value-in-Each-Tree-Row]({{< relref "/ChapterFour/0515.Find-Largest-Value-in-Each-Tree-Row.md" >}})
-    - [0524.Longest-Word-in-Dictionary-through-Deleting]({{< relref "/ChapterFour/0524.Longest-Word-in-Dictionary-through-Deleting.md" >}})
-    - [0526.Beautiful-Arrangement]({{< relref "/ChapterFour/0526.Beautiful-Arrangement.md" >}})
-    - [0528.Random-Pick-with-Weight]({{< relref "/ChapterFour/0528.Random-Pick-with-Weight.md" >}})
-    - [0529.Minesweeper]({{< relref "/ChapterFour/0529.Minesweeper.md" >}})
-    - [0532.K-diff-Pairs-in-an-Array]({{< relref "/ChapterFour/0532.K-diff-Pairs-in-an-Array.md" >}})
-    - [0537.Complex-Number-Multiplication]({{< relref "/ChapterFour/0537.Complex-Number-Multiplication.md" >}})
-    - [0541.Reverse-String-II]({{< relref "/ChapterFour/0541.Reverse-String-II.md" >}})
-    - [0542.01-Matrix]({{< relref "/ChapterFour/0542.01-Matrix.md" >}})
-    - [0547.Number-of-Provinces]({{< relref "/ChapterFour/0547.Number-of-Provinces.md" >}})
-    - [0557.Reverse-Words-in-a-String-III]({{< relref "/ChapterFour/0557.Reverse-Words-in-a-String-III.md" >}})
-    - [0561.Array-Partition-I]({{< relref "/ChapterFour/0561.Array-Partition-I.md" >}})
-    - [0563.Binary-Tree-Tilt]({{< relref "/ChapterFour/0563.Binary-Tree-Tilt.md" >}})
-    - [0566.Reshape-the-Matrix]({{< relref "/ChapterFour/0566.Reshape-the-Matrix.md" >}})
-    - [0567.Permutation-in-String]({{< relref "/ChapterFour/0567.Permutation-in-String.md" >}})
-    - [0572.Subtree-of-Another-Tree]({{< relref "/ChapterFour/0572.Subtree-of-Another-Tree.md" >}})
-    - [0575.Distribute-Candies]({{< relref "/ChapterFour/0575.Distribute-Candies.md" >}})
-    - [0594.Longest-Harmonious-Subsequence]({{< relref "/ChapterFour/0594.Longest-Harmonious-Subsequence.md" >}})
-    - [0598.Range-Addition-II]({{< relref "/ChapterFour/0598.Range-Addition-II.md" >}})
-    - [0599.Minimum-Index-Sum-of-Two-Lists]({{< relref "/ChapterFour/0599.Minimum-Index-Sum-of-Two-Lists.md" >}})
-    - [0605.Can-Place-Flowers]({{< relref "/ChapterFour/0605.Can-Place-Flowers.md" >}})
-    - [0628.Maximum-Product-of-Three-Numbers]({{< relref "/ChapterFour/0628.Maximum-Product-of-Three-Numbers.md" >}})
-    - [0632.Smallest-Range-Covering-Elements-from-K-Lists]({{< relref "/ChapterFour/0632.Smallest-Range-Covering-Elements-from-K-Lists.md" >}})
-    - [0633.Sum-of-Square-Numbers]({{< relref "/ChapterFour/0633.Sum-of-Square-Numbers.md" >}})
-    - [0636.Exclusive-Time-of-Functions]({{< relref "/ChapterFour/0636.Exclusive-Time-of-Functions.md" >}})
-    - [0637.Average-of-Levels-in-Binary-Tree]({{< relref "/ChapterFour/0637.Average-of-Levels-in-Binary-Tree.md" >}})
-    - [0638.Shopping-Offers]({{< relref "/ChapterFour/0638.Shopping-Offers.md" >}})
-    - [0645.Set-Mismatch]({{< relref "/ChapterFour/0645.Set-Mismatch.md" >}})
-    - [0648.Replace-Words]({{< relref "/ChapterFour/0648.Replace-Words.md" >}})
-    - [0653.Two-Sum-IV---Input-is-a-BST]({{< relref "/ChapterFour/0653.Two-Sum-IV---Input-is-a-BST.md" >}})
-    - [0658.Find-K-Closest-Elements]({{< relref "/ChapterFour/0658.Find-K-Closest-Elements.md" >}})
-    - [0661.Image-Smoother]({{< relref "/ChapterFour/0661.Image-Smoother.md" >}})
-    - [0662.Maximum-Width-of-Binary-Tree]({{< relref "/ChapterFour/0662.Maximum-Width-of-Binary-Tree.md" >}})
-    - [0668.Kth-Smallest-Number-in-Multiplication-Table]({{< relref "/ChapterFour/0668.Kth-Smallest-Number-in-Multiplication-Table.md" >}})
-    - [0674.Longest-Continuous-Increasing-Subsequence]({{< relref "/ChapterFour/0674.Longest-Continuous-Increasing-Subsequence.md" >}})
-    - [0676.Implement-Magic-Dictionary]({{< relref "/ChapterFour/0676.Implement-Magic-Dictionary.md" >}})
-    - [0682.Baseball-Game]({{< relref "/ChapterFour/0682.Baseball-Game.md" >}})
-    - [0684.Redundant-Connection]({{< relref "/ChapterFour/0684.Redundant-Connection.md" >}})
-    - [0685.Redundant-Connection-II]({{< relref "/ChapterFour/0685.Redundant-Connection-II.md" >}})
-    - [0693.Binary-Number-with-Alternating-Bits]({{< relref "/ChapterFour/0693.Binary-Number-with-Alternating-Bits.md" >}})
-    - [0695.Max-Area-of-Island]({{< relref "/ChapterFour/0695.Max-Area-of-Island.md" >}})
-    - [0697.Degree-of-an-Array]({{< relref "/ChapterFour/0697.Degree-of-an-Array.md" >}})
-    - [0699.Falling-Squares]({{< relref "/ChapterFour/0699.Falling-Squares.md" >}})
-    - [0704.Binary-Search]({{< relref "/ChapterFour/0704.Binary-Search.md" >}})
-    - [0705.Design-HashSet]({{< relref "/ChapterFour/0705.Design-HashSet.md" >}})
-    - [0706.Design-HashMap]({{< relref "/ChapterFour/0706.Design-HashMap.md" >}})
-    - [0707.Design-Linked-List]({{< relref "/ChapterFour/0707.Design-Linked-List.md" >}})
-    - [0710.Random-Pick-with-Blacklist]({{< relref "/ChapterFour/0710.Random-Pick-with-Blacklist.md" >}})
-    - [0713.Subarray-Product-Less-Than-K]({{< relref "/ChapterFour/0713.Subarray-Product-Less-Than-K.md" >}})
-    - [0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee]({{< relref "/ChapterFour/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee.md" >}})
-    - [0715.Range-Module]({{< relref "/ChapterFour/0715.Range-Module.md" >}})
-    - [0717.1-bit-and-2-bit-Characters]({{< relref "/ChapterFour/0717.1-bit-and-2-bit-Characters.md" >}})
-    - [0718.Maximum-Length-of-Repeated-Subarray]({{< relref "/ChapterFour/0718.Maximum-Length-of-Repeated-Subarray.md" >}})
-    - [0719.Find-K-th-Smallest-Pair-Distance]({{< relref "/ChapterFour/0719.Find-K-th-Smallest-Pair-Distance.md" >}})
-    - [0720.Longest-Word-in-Dictionary]({{< relref "/ChapterFour/0720.Longest-Word-in-Dictionary.md" >}})
-    - [0721.Accounts-Merge]({{< relref "/ChapterFour/0721.Accounts-Merge.md" >}})
-    - [0724.Find-Pivot-Index]({{< relref "/ChapterFour/0724.Find-Pivot-Index.md" >}})
-    - [0725.Split-Linked-List-in-Parts]({{< relref "/ChapterFour/0725.Split-Linked-List-in-Parts.md" >}})
-    - [0726.Number-of-Atoms]({{< relref "/ChapterFour/0726.Number-of-Atoms.md" >}})
-    - [0729.My-Calendar-I]({{< relref "/ChapterFour/0729.My-Calendar-I.md" >}})
-    - [0732.My-Calendar-III]({{< relref "/ChapterFour/0732.My-Calendar-III.md" >}})
-    - [0733.Flood-Fill]({{< relref "/ChapterFour/0733.Flood-Fill.md" >}})
-    - [0735.Asteroid-Collision]({{< relref "/ChapterFour/0735.Asteroid-Collision.md" >}})
-    - [0739.Daily-Temperatures]({{< relref "/ChapterFour/0739.Daily-Temperatures.md" >}})
-    - [0744.Find-Smallest-Letter-Greater-Than-Target]({{< relref "/ChapterFour/0744.Find-Smallest-Letter-Greater-Than-Target.md" >}})
-    - [0745.Prefix-and-Suffix-Search]({{< relref "/ChapterFour/0745.Prefix-and-Suffix-Search.md" >}})
-    - [0746.Min-Cost-Climbing-Stairs]({{< relref "/ChapterFour/0746.Min-Cost-Climbing-Stairs.md" >}})
-    - [0748.Shortest-Completing-Word]({{< relref "/ChapterFour/0748.Shortest-Completing-Word.md" >}})
-    - [0753.Cracking-the-Safe]({{< relref "/ChapterFour/0753.Cracking-the-Safe.md" >}})
-    - [0756.Pyramid-Transition-Matrix]({{< relref "/ChapterFour/0756.Pyramid-Transition-Matrix.md" >}})
-    - [0762.Prime-Number-of-Set-Bits-in-Binary-Representation]({{< relref "/ChapterFour/0762.Prime-Number-of-Set-Bits-in-Binary-Representation.md" >}})
-    - [0763.Partition-Labels]({{< relref "/ChapterFour/0763.Partition-Labels.md" >}})
-    - [0765.Couples-Holding-Hands]({{< relref "/ChapterFour/0765.Couples-Holding-Hands.md" >}})
-    - [0766.Toeplitz-Matrix]({{< relref "/ChapterFour/0766.Toeplitz-Matrix.md" >}})
-    - [0767.Reorganize-String]({{< relref "/ChapterFour/0767.Reorganize-String.md" >}})
-    - [0771.Jewels-and-Stones]({{< relref "/ChapterFour/0771.Jewels-and-Stones.md" >}})
-    - [0778.Swim-in-Rising-Water]({{< relref "/ChapterFour/0778.Swim-in-Rising-Water.md" >}})
-    - [0781.Rabbits-in-Forest]({{< relref "/ChapterFour/0781.Rabbits-in-Forest.md" >}})
-    - [0784.Letter-Case-Permutation]({{< relref "/ChapterFour/0784.Letter-Case-Permutation.md" >}})
-    - [0785.Is-Graph-Bipartite]({{< relref "/ChapterFour/0785.Is-Graph-Bipartite.md" >}})
-    - [0786.K-th-Smallest-Prime-Fraction]({{< relref "/ChapterFour/0786.K-th-Smallest-Prime-Fraction.md" >}})
-    - [0793.Preimage-Size-of-Factorial-Zeroes-Function]({{< relref "/ChapterFour/0793.Preimage-Size-of-Factorial-Zeroes-Function.md" >}})
-    - [0802.Find-Eventual-Safe-States]({{< relref "/ChapterFour/0802.Find-Eventual-Safe-States.md" >}})
-    - [0803.Bricks-Falling-When-Hit]({{< relref "/ChapterFour/0803.Bricks-Falling-When-Hit.md" >}})
-    - [0811.Subdomain-Visit-Count]({{< relref "/ChapterFour/0811.Subdomain-Visit-Count.md" >}})
-    - [0812.Largest-Triangle-Area]({{< relref "/ChapterFour/0812.Largest-Triangle-Area.md" >}})
-    - [0815.Bus-Routes]({{< relref "/ChapterFour/0815.Bus-Routes.md" >}})
-    - [0817.Linked-List-Components]({{< relref "/ChapterFour/0817.Linked-List-Components.md" >}})
-    - [0819.Most-Common-Word]({{< relref "/ChapterFour/0819.Most-Common-Word.md" >}})
-    - [0826.Most-Profit-Assigning-Work]({{< relref "/ChapterFour/0826.Most-Profit-Assigning-Work.md" >}})
-    - [0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String]({{< relref "/ChapterFour/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String.md" >}})
-    - [0830.Positions-of-Large-Groups]({{< relref "/ChapterFour/0830.Positions-of-Large-Groups.md" >}})
-    - [0832.Flipping-an-Image]({{< relref "/ChapterFour/0832.Flipping-an-Image.md" >}})
-    - [0834.Sum-of-Distances-in-Tree]({{< relref "/ChapterFour/0834.Sum-of-Distances-in-Tree.md" >}})
-    - [0836.Rectangle-Overlap]({{< relref "/ChapterFour/0836.Rectangle-Overlap.md" >}})
-    - [0838.Push-Dominoes]({{< relref "/ChapterFour/0838.Push-Dominoes.md" >}})
-    - [0839.Similar-String-Groups]({{< relref "/ChapterFour/0839.Similar-String-Groups.md" >}})
-    - [0841.Keys-and-Rooms]({{< relref "/ChapterFour/0841.Keys-and-Rooms.md" >}})
-    - [0842.Split-Array-into-Fibonacci-Sequence]({{< relref "/ChapterFour/0842.Split-Array-into-Fibonacci-Sequence.md" >}})
-    - [0844.Backspace-String-Compare]({{< relref "/ChapterFour/0844.Backspace-String-Compare.md" >}})
-    - [0845.Longest-Mountain-in-Array]({{< relref "/ChapterFour/0845.Longest-Mountain-in-Array.md" >}})
-    - [0850.Rectangle-Area-II]({{< relref "/ChapterFour/0850.Rectangle-Area-II.md" >}})
-    - [0851.Loud-and-Rich]({{< relref "/ChapterFour/0851.Loud-and-Rich.md" >}})
-    - [0852.Peak-Index-in-a-Mountain-Array]({{< relref "/ChapterFour/0852.Peak-Index-in-a-Mountain-Array.md" >}})
-    - [0853.Car-Fleet]({{< relref "/ChapterFour/0853.Car-Fleet.md" >}})
-    - [0856.Score-of-Parentheses]({{< relref "/ChapterFour/0856.Score-of-Parentheses.md" >}})
-    - [0862.Shortest-Subarray-with-Sum-at-Least-K]({{< relref "/ChapterFour/0862.Shortest-Subarray-with-Sum-at-Least-K.md" >}})
-    - [0863.All-Nodes-Distance-K-in-Binary-Tree]({{< relref "/ChapterFour/0863.All-Nodes-Distance-K-in-Binary-Tree.md" >}})
-    - [0864.Shortest-Path-to-Get-All-Keys]({{< relref "/ChapterFour/0864.Shortest-Path-to-Get-All-Keys.md" >}})
-    - [0867.Transpose-Matrix]({{< relref "/ChapterFour/0867.Transpose-Matrix.md" >}})
-    - [0872.Leaf-Similar-Trees]({{< relref "/ChapterFour/0872.Leaf-Similar-Trees.md" >}})
-    - [0875.Koko-Eating-Bananas]({{< relref "/ChapterFour/0875.Koko-Eating-Bananas.md" >}})
-    - [0876.Middle-of-the-Linked-List]({{< relref "/ChapterFour/0876.Middle-of-the-Linked-List.md" >}})
-    - [0878.Nth-Magical-Number]({{< relref "/ChapterFour/0878.Nth-Magical-Number.md" >}})
-    - [0880.Decoded-String-at-Index]({{< relref "/ChapterFour/0880.Decoded-String-at-Index.md" >}})
-    - [0881.Boats-to-Save-People]({{< relref "/ChapterFour/0881.Boats-to-Save-People.md" >}})
-    - [0884.Uncommon-Words-from-Two-Sentences]({{< relref "/ChapterFour/0884.Uncommon-Words-from-Two-Sentences.md" >}})
-    - [0885.Spiral-Matrix-III]({{< relref "/ChapterFour/0885.Spiral-Matrix-III.md" >}})
-    - [0887.Super-Egg-Drop]({{< relref "/ChapterFour/0887.Super-Egg-Drop.md" >}})
-    - [0888.Fair-Candy-Swap]({{< relref "/ChapterFour/0888.Fair-Candy-Swap.md" >}})
-    - [0891.Sum-of-Subsequence-Widths]({{< relref "/ChapterFour/0891.Sum-of-Subsequence-Widths.md" >}})
-    - [0892.Surface-Area-of-3D-Shapes]({{< relref "/ChapterFour/0892.Surface-Area-of-3D-Shapes.md" >}})
-    - [0895.Maximum-Frequency-Stack]({{< relref "/ChapterFour/0895.Maximum-Frequency-Stack.md" >}})
-    - [0896.Monotonic-Array]({{< relref "/ChapterFour/0896.Monotonic-Array.md" >}})
-    - [0897.Increasing-Order-Search-Tree]({{< relref "/ChapterFour/0897.Increasing-Order-Search-Tree.md" >}})
-    - [0898.Bitwise-ORs-of-Subarrays]({{< relref "/ChapterFour/0898.Bitwise-ORs-of-Subarrays.md" >}})
-    - [0901.Online-Stock-Span]({{< relref "/ChapterFour/0901.Online-Stock-Span.md" >}})
-    - [0904.Fruit-Into-Baskets]({{< relref "/ChapterFour/0904.Fruit-Into-Baskets.md" >}})
-    - [0907.Sum-of-Subarray-Minimums]({{< relref "/ChapterFour/0907.Sum-of-Subarray-Minimums.md" >}})
-    - [0910.Smallest-Range-II]({{< relref "/ChapterFour/0910.Smallest-Range-II.md" >}})
-    - [0911.Online-Election]({{< relref "/ChapterFour/0911.Online-Election.md" >}})
-    - [0914.X-of-a-Kind-in-a-Deck-of-Cards]({{< relref "/ChapterFour/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})
-    - [0918.Maximum-Sum-Circular-Subarray]({{< relref "/ChapterFour/0918.Maximum-Sum-Circular-Subarray.md" >}})
-    - [0920.Number-of-Music-Playlists]({{< relref "/ChapterFour/0920.Number-of-Music-Playlists.md" >}})
-    - [0921.Minimum-Add-to-Make-Parentheses-Valid]({{< relref "/ChapterFour/0921.Minimum-Add-to-Make-Parentheses-Valid.md" >}})
-    - [0922.Sort-Array-By-Parity-II]({{< relref "/ChapterFour/0922.Sort-Array-By-Parity-II.md" >}})
-    - [0923.3Sum-With-Multiplicity]({{< relref "/ChapterFour/0923.3Sum-With-Multiplicity.md" >}})
-    - [0924.Minimize-Malware-Spread]({{< relref "/ChapterFour/0924.Minimize-Malware-Spread.md" >}})
-    - [0925.Long-Pressed-Name]({{< relref "/ChapterFour/0925.Long-Pressed-Name.md" >}})
-    - [0927.Three-Equal-Parts]({{< relref "/ChapterFour/0927.Three-Equal-Parts.md" >}})
-    - [0928.Minimize-Malware-Spread-II]({{< relref "/ChapterFour/0928.Minimize-Malware-Spread-II.md" >}})
-    - [0930.Binary-Subarrays-With-Sum]({{< relref "/ChapterFour/0930.Binary-Subarrays-With-Sum.md" >}})
-    - [0933.Number-of-Recent-Calls]({{< relref "/ChapterFour/0933.Number-of-Recent-Calls.md" >}})
-    - [0942.DI-String-Match]({{< relref "/ChapterFour/0942.DI-String-Match.md" >}})
-    - [0946.Validate-Stack-Sequences]({{< relref "/ChapterFour/0946.Validate-Stack-Sequences.md" >}})
-    - [0947.Most-Stones-Removed-with-Same-Row-or-Column]({{< relref "/ChapterFour/0947.Most-Stones-Removed-with-Same-Row-or-Column.md" >}})
-    - [0949.Largest-Time-for-Given-Digits]({{< relref "/ChapterFour/0949.Largest-Time-for-Given-Digits.md" >}})
-    - [0952.Largest-Component-Size-by-Common-Factor]({{< relref "/ChapterFour/0952.Largest-Component-Size-by-Common-Factor.md" >}})
-    - [0953.Verifying-an-Alien-Dictionary]({{< relref "/ChapterFour/0953.Verifying-an-Alien-Dictionary.md" >}})
-    - [0959.Regions-Cut-By-Slashes]({{< relref "/ChapterFour/0959.Regions-Cut-By-Slashes.md" >}})
-    - [0961.N-Repeated-Element-in-Size-2N-Array]({{< relref "/ChapterFour/0961.N-Repeated-Element-in-Size-2N-Array.md" >}})
-    - [0968.Binary-Tree-Cameras]({{< relref "/ChapterFour/0968.Binary-Tree-Cameras.md" >}})
-    - [0969.Pancake-Sorting]({{< relref "/ChapterFour/0969.Pancake-Sorting.md" >}})
-    - [0970.Powerful-Integers]({{< relref "/ChapterFour/0970.Powerful-Integers.md" >}})
-    - [0973.K-Closest-Points-to-Origin]({{< relref "/ChapterFour/0973.K-Closest-Points-to-Origin.md" >}})
-    - [0976.Largest-Perimeter-Triangle]({{< relref "/ChapterFour/0976.Largest-Perimeter-Triangle.md" >}})
-    - [0977.Squares-of-a-Sorted-Array]({{< relref "/ChapterFour/0977.Squares-of-a-Sorted-Array.md" >}})
-    - [0978.Longest-Turbulent-Subarray]({{< relref "/ChapterFour/0978.Longest-Turbulent-Subarray.md" >}})
-    - [0979.Distribute-Coins-in-Binary-Tree]({{< relref "/ChapterFour/0979.Distribute-Coins-in-Binary-Tree.md" >}})
-    - [0980.Unique-Paths-III]({{< relref "/ChapterFour/0980.Unique-Paths-III.md" >}})
-    - [0981.Time-Based-Key-Value-Store]({{< relref "/ChapterFour/0981.Time-Based-Key-Value-Store.md" >}})
-    - [0984.String-Without-AAA-or-BBB]({{< relref "/ChapterFour/0984.String-Without-AAA-or-BBB.md" >}})
-    - [0985.Sum-of-Even-Numbers-After-Queries]({{< relref "/ChapterFour/0985.Sum-of-Even-Numbers-After-Queries.md" >}})
-    - [0986.Interval-List-Intersections]({{< relref "/ChapterFour/0986.Interval-List-Intersections.md" >}})
-    - [0989.Add-to-Array-Form-of-Integer]({{< relref "/ChapterFour/0989.Add-to-Array-Form-of-Integer.md" >}})
-    - [0990.Satisfiability-of-Equality-Equations]({{< relref "/ChapterFour/0990.Satisfiability-of-Equality-Equations.md" >}})
-    - [0992.Subarrays-with-K-Different-Integers]({{< relref "/ChapterFour/0992.Subarrays-with-K-Different-Integers.md" >}})
-    - [0993.Cousins-in-Binary-Tree]({{< relref "/ChapterFour/0993.Cousins-in-Binary-Tree.md" >}})
-    - [0995.Minimum-Number-of-K-Consecutive-Bit-Flips]({{< relref "/ChapterFour/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md" >}})
-    - [0996.Number-of-Squareful-Arrays]({{< relref "/ChapterFour/0996.Number-of-Squareful-Arrays.md" >}})
-    - [0999.Available-Captures-for-Rook]({{< relref "/ChapterFour/0999.Available-Captures-for-Rook.md" >}})
-    - [1002.Find-Common-Characters]({{< relref "/ChapterFour/1002.Find-Common-Characters.md" >}})
-    - [1003.Check-If-Word-Is-Valid-After-Substitutions]({{< relref "/ChapterFour/1003.Check-If-Word-Is-Valid-After-Substitutions.md" >}})
-    - [1004.Max-Consecutive-Ones-III]({{< relref "/ChapterFour/1004.Max-Consecutive-Ones-III.md" >}})
-    - [1005.Maximize-Sum-Of-Array-After-K-Negations]({{< relref "/ChapterFour/1005.Maximize-Sum-Of-Array-After-K-Negations.md" >}})
-    - [1011.Capacity-To-Ship-Packages-Within-D-Days]({{< relref "/ChapterFour/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})
-    - [1017.Convert-to-Base--2]({{< relref "/ChapterFour/1017.Convert-to-Base--2.md" >}})
-    - [1018.Binary-Prefix-Divisible-By-5]({{< relref "/ChapterFour/1018.Binary-Prefix-Divisible-By-5.md" >}})
-    - [1019.Next-Greater-Node-In-Linked-List]({{< relref "/ChapterFour/1019.Next-Greater-Node-In-Linked-List.md" >}})
-    - [1020.Number-of-Enclaves]({{< relref "/ChapterFour/1020.Number-of-Enclaves.md" >}})
-    - [1021.Remove-Outermost-Parentheses]({{< relref "/ChapterFour/1021.Remove-Outermost-Parentheses.md" >}})
-    - [1025.Divisor-Game]({{< relref "/ChapterFour/1025.Divisor-Game.md" >}})
-    - [1026.Maximum-Difference-Between-Node-and-Ancestor]({{< relref "/ChapterFour/1026.Maximum-Difference-Between-Node-and-Ancestor.md" >}})
-    - [1028.Recover-a-Tree-From-Preorder-Traversal]({{< relref "/ChapterFour/1028.Recover-a-Tree-From-Preorder-Traversal.md" >}})
-    - [1030.Matrix-Cells-in-Distance-Order]({{< relref "/ChapterFour/1030.Matrix-Cells-in-Distance-Order.md" >}})
-    - [1037.Valid-Boomerang]({{< relref "/ChapterFour/1037.Valid-Boomerang.md" >}})
-    - [1040.Moving-Stones-Until-Consecutive-II]({{< relref "/ChapterFour/1040.Moving-Stones-Until-Consecutive-II.md" >}})
-    - [1047.Remove-All-Adjacent-Duplicates-In-String]({{< relref "/ChapterFour/1047.Remove-All-Adjacent-Duplicates-In-String.md" >}})
-    - [1049.Last-Stone-Weight-II]({{< relref "/ChapterFour/1049.Last-Stone-Weight-II.md" >}})
-    - [1051.Height-Checker]({{< relref "/ChapterFour/1051.Height-Checker.md" >}})
-    - [1052.Grumpy-Bookstore-Owner]({{< relref "/ChapterFour/1052.Grumpy-Bookstore-Owner.md" >}})
-    - [1054.Distant-Barcodes]({{< relref "/ChapterFour/1054.Distant-Barcodes.md" >}})
-    - [1073.Adding-Two-Negabinary-Numbers]({{< relref "/ChapterFour/1073.Adding-Two-Negabinary-Numbers.md" >}})
-    - [1074.Number-of-Submatrices-That-Sum-to-Target]({{< relref "/ChapterFour/1074.Number-of-Submatrices-That-Sum-to-Target.md" >}})
-    - [1078.Occurrences-After-Bigram]({{< relref "/ChapterFour/1078.Occurrences-After-Bigram.md" >}})
-    - [1079.Letter-Tile-Possibilities]({{< relref "/ChapterFour/1079.Letter-Tile-Possibilities.md" >}})
-    - [1089.Duplicate-Zeros]({{< relref "/ChapterFour/1089.Duplicate-Zeros.md" >}})
-    - [1093.Statistics-from-a-Large-Sample]({{< relref "/ChapterFour/1093.Statistics-from-a-Large-Sample.md" >}})
-    - [1105.Filling-Bookcase-Shelves]({{< relref "/ChapterFour/1105.Filling-Bookcase-Shelves.md" >}})
-    - [1108.Defanging-an-IP-Address]({{< relref "/ChapterFour/1108.Defanging-an-IP-Address.md" >}})
-    - [1110.Delete-Nodes-And-Return-Forest]({{< relref "/ChapterFour/1110.Delete-Nodes-And-Return-Forest.md" >}})
-    - [1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings]({{< relref "/ChapterFour/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings.md" >}})
-    - [1122.Relative-Sort-Array]({{< relref "/ChapterFour/1122.Relative-Sort-Array.md" >}})
-    - [1123.Lowest-Common-Ancestor-of-Deepest-Leaves]({{< relref "/ChapterFour/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md" >}})
-    - [1128.Number-of-Equivalent-Domino-Pairs]({{< relref "/ChapterFour/1128.Number-of-Equivalent-Domino-Pairs.md" >}})
-    - [1137.N-th-Tribonacci-Number]({{< relref "/ChapterFour/1137.N-th-Tribonacci-Number.md" >}})
-    - [1145.Binary-Tree-Coloring-Game]({{< relref "/ChapterFour/1145.Binary-Tree-Coloring-Game.md" >}})
-    - [1154.Day-of-the-Year]({{< relref "/ChapterFour/1154.Day-of-the-Year.md" >}})
-    - [1157.Online-Majority-Element-In-Subarray]({{< relref "/ChapterFour/1157.Online-Majority-Element-In-Subarray.md" >}})
-    - [1160.Find-Words-That-Can-Be-Formed-by-Characters]({{< relref "/ChapterFour/1160.Find-Words-That-Can-Be-Formed-by-Characters.md" >}})
-    - [1170.Compare-Strings-by-Frequency-of-the-Smallest-Character]({{< relref "/ChapterFour/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character.md" >}})
-    - [1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List]({{< relref "/ChapterFour/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List.md" >}})
-    - [1175.Prime-Arrangements]({{< relref "/ChapterFour/1175.Prime-Arrangements.md" >}})
-    - [1184.Distance-Between-Bus-Stops]({{< relref "/ChapterFour/1184.Distance-Between-Bus-Stops.md" >}})
-    - [1185.Day-of-the-Week]({{< relref "/ChapterFour/1185.Day-of-the-Week.md" >}})
-    - [1189.Maximum-Number-of-Balloons]({{< relref "/ChapterFour/1189.Maximum-Number-of-Balloons.md" >}})
-    - [1200.Minimum-Absolute-Difference]({{< relref "/ChapterFour/1200.Minimum-Absolute-Difference.md" >}})
-    - [1201.Ugly-Number-III]({{< relref "/ChapterFour/1201.Ugly-Number-III.md" >}})
-    - [1202.Smallest-String-With-Swaps]({{< relref "/ChapterFour/1202.Smallest-String-With-Swaps.md" >}})
-    - [1203.Sort-Items-by-Groups-Respecting-Dependencies]({{< relref "/ChapterFour/1203.Sort-Items-by-Groups-Respecting-Dependencies.md" >}})
-    - [1207.Unique-Number-of-Occurrences]({{< relref "/ChapterFour/1207.Unique-Number-of-Occurrences.md" >}})
-    - [1208.Get-Equal-Substrings-Within-Budget]({{< relref "/ChapterFour/1208.Get-Equal-Substrings-Within-Budget.md" >}})
-    - [1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position]({{< relref "/ChapterFour/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})
-    - [1221.Split-a-String-in-Balanced-Strings]({{< relref "/ChapterFour/1221.Split-a-String-in-Balanced-Strings.md" >}})
-    - [1232.Check-If-It-Is-a-Straight-Line]({{< relref "/ChapterFour/1232.Check-If-It-Is-a-Straight-Line.md" >}})
-    - [1234.Replace-the-Substring-for-Balanced-String]({{< relref "/ChapterFour/1234.Replace-the-Substring-for-Balanced-String.md" >}})
-    - [1235.Maximum-Profit-in-Job-Scheduling]({{< relref "/ChapterFour/1235.Maximum-Profit-in-Job-Scheduling.md" >}})
-    - [1252.Cells-with-Odd-Values-in-a-Matrix]({{< relref "/ChapterFour/1252.Cells-with-Odd-Values-in-a-Matrix.md" >}})
-    - [1254.Number-of-Closed-Islands]({{< relref "/ChapterFour/1254.Number-of-Closed-Islands.md" >}})
-    - [1260.Shift-2D-Grid]({{< relref "/ChapterFour/1260.Shift-2D-Grid.md" >}})
-    - [1266.Minimum-Time-Visiting-All-Points]({{< relref "/ChapterFour/1266.Minimum-Time-Visiting-All-Points.md" >}})
-    - [1275.Find-Winner-on-a-Tic-Tac-Toe-Game]({{< relref "/ChapterFour/1275.Find-Winner-on-a-Tic-Tac-Toe-Game.md" >}})
-    - [1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer]({{< relref "/ChapterFour/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md" >}})
-    - [1283.Find-the-Smallest-Divisor-Given-a-Threshold]({{< relref "/ChapterFour/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md" >}})
-    - [1287.Element-Appearing-More-Than-25-In-Sorted-Array]({{< relref "/ChapterFour/1287.Element-Appearing-More-Than-25-In-Sorted-Array.md" >}})
-    - [1290.Convert-Binary-Number-in-a-Linked-List-to-Integer]({{< relref "/ChapterFour/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})
-    - [1295.Find-Numbers-with-Even-Number-of-Digits]({{< relref "/ChapterFour/1295.Find-Numbers-with-Even-Number-of-Digits.md" >}})
-    - [1299.Replace-Elements-with-Greatest-Element-on-Right-Side]({{< relref "/ChapterFour/1299.Replace-Elements-with-Greatest-Element-on-Right-Side.md" >}})
-    - [1300.Sum-of-Mutated-Array-Closest-to-Target]({{< relref "/ChapterFour/1300.Sum-of-Mutated-Array-Closest-to-Target.md" >}})
-    - [1302.Deepest-Leaves-Sum]({{< relref "/ChapterFour/1302.Deepest-Leaves-Sum.md" >}})
-    - [1304.Find-N-Unique-Integers-Sum-up-to-Zero]({{< relref "/ChapterFour/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md" >}})
-    - [1305.All-Elements-in-Two-Binary-Search-Trees]({{< relref "/ChapterFour/1305.All-Elements-in-Two-Binary-Search-Trees.md" >}})
-    - [1306.Jump-Game-III]({{< relref "/ChapterFour/1306.Jump-Game-III.md" >}})
-    - [1313.Decompress-Run-Length-Encoded-List]({{< relref "/ChapterFour/1313.Decompress-Run-Length-Encoded-List.md" >}})
-    - [1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers]({{< relref "/ChapterFour/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md" >}})
-    - [1319.Number-of-Operations-to-Make-Network-Connected]({{< relref "/ChapterFour/1319.Number-of-Operations-to-Make-Network-Connected.md" >}})
-    - [1329.Sort-the-Matrix-Diagonally]({{< relref "/ChapterFour/1329.Sort-the-Matrix-Diagonally.md" >}})
-    - [1380.Lucky-Numbers-in-a-Matrix]({{< relref "/ChapterFour/1380.Lucky-Numbers-in-a-Matrix.md" >}})
-    - [1385.Find-the-Distance-Value-Between-Two-Arrays]({{< relref "/ChapterFour/1385.Find-the-Distance-Value-Between-Two-Arrays.md" >}})
-    - [1389.Create-Target-Array-in-the-Given-Order]({{< relref "/ChapterFour/1389.Create-Target-Array-in-the-Given-Order.md" >}})
-    - [1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away]({{< relref "/ChapterFour/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away.md" >}})
-    - [1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence]({{< relref "/ChapterFour/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence.md" >}})
-    - [1463.Cherry-Pickup-II]({{< relref "/ChapterFour/1463.Cherry-Pickup-II.md" >}})
-    - [1464.Maximum-Product-of-Two-Elements-in-an-Array]({{< relref "/ChapterFour/1464.Maximum-Product-of-Two-Elements-in-an-Array.md" >}})
-    - [1470.Shuffle-the-Array]({{< relref "/ChapterFour/1470.Shuffle-the-Array.md" >}})
-    - [1480.Running-Sum-of-1d-Array]({{< relref "/ChapterFour/1480.Running-Sum-of-1d-Array.md" >}})
-    - [1512.Number-of-Good-Pairs]({{< relref "/ChapterFour/1512.Number-of-Good-Pairs.md" >}})
-    - [1539.Kth-Missing-Positive-Number]({{< relref "/ChapterFour/1539.Kth-Missing-Positive-Number.md" >}})
-    - [1573.Number-of-Ways-to-Split-a-String]({{< relref "/ChapterFour/1573.Number-of-Ways-to-Split-a-String.md" >}})
-    - [1640.Check-Array-Formation-Through-Concatenation]({{< relref "/ChapterFour/1640.Check-Array-Formation-Through-Concatenation.md" >}})
-    - [1641.Count-Sorted-Vowel-Strings]({{< relref "/ChapterFour/1641.Count-Sorted-Vowel-Strings.md" >}})
-    - [1646.Get-Maximum-in-Generated-Array]({{< relref "/ChapterFour/1646.Get-Maximum-in-Generated-Array.md" >}})
-    - [1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique]({{< relref "/ChapterFour/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md" >}})
-    - [1648.Sell-Diminishing-Valued-Colored-Balls]({{< relref "/ChapterFour/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})
-    - [1649.Create-Sorted-Array-through-Instructions]({{< relref "/ChapterFour/1649.Create-Sorted-Array-through-Instructions.md" >}})
-    - [1652.Defuse-the-Bomb]({{< relref "/ChapterFour/1652.Defuse-the-Bomb.md" >}})
-    - [1653.Minimum-Deletions-to-Make-String-Balanced]({{< relref "/ChapterFour/1653.Minimum-Deletions-to-Make-String-Balanced.md" >}})
-    - [1654.Minimum-Jumps-to-Reach-Home]({{< relref "/ChapterFour/1654.Minimum-Jumps-to-Reach-Home.md" >}})
-    - [1655.Distribute-Repeating-Integers]({{< relref "/ChapterFour/1655.Distribute-Repeating-Integers.md" >}})
-    - [1656.Design-an-Ordered-Stream]({{< relref "/ChapterFour/1656.Design-an-Ordered-Stream.md" >}})
-    - [1657.Determine-if-Two-Strings-Are-Close]({{< relref "/ChapterFour/1657.Determine-if-Two-Strings-Are-Close.md" >}})
-    - [1658.Minimum-Operations-to-Reduce-X-to-Zero]({{< relref "/ChapterFour/1658.Minimum-Operations-to-Reduce-X-to-Zero.md" >}})
-    - [1659.Maximize-Grid-Happiness]({{< relref "/ChapterFour/1659.Maximize-Grid-Happiness.md" >}})
-    - [1662.Check-If-Two-String-Arrays-are-Equivalent]({{< relref "/ChapterFour/1662.Check-If-Two-String-Arrays-are-Equivalent.md" >}})
-    - [1663.Smallest-String-With-A-Given-Numeric-Value]({{< relref "/ChapterFour/1663.Smallest-String-With-A-Given-Numeric-Value.md" >}})
-    - [1664.Ways-to-Make-a-Fair-Array]({{< relref "/ChapterFour/1664.Ways-to-Make-a-Fair-Array.md" >}})
-    - [1665.Minimum-Initial-Energy-to-Finish-Tasks]({{< relref "/ChapterFour/1665.Minimum-Initial-Energy-to-Finish-Tasks.md" >}})
-    - [1668.Maximum-Repeating-Substring]({{< relref "/ChapterFour/1668.Maximum-Repeating-Substring.md" >}})
-    - [1669.Merge-In-Between-Linked-Lists]({{< relref "/ChapterFour/1669.Merge-In-Between-Linked-Lists.md" >}})
-    - [1670.Design-Front-Middle-Back-Queue]({{< relref "/ChapterFour/1670.Design-Front-Middle-Back-Queue.md" >}})
-    - [1672.Richest-Customer-Wealth]({{< relref "/ChapterFour/1672.Richest-Customer-Wealth.md" >}})
-    - [1673.Find-the-Most-Competitive-Subsequence]({{< relref "/ChapterFour/1673.Find-the-Most-Competitive-Subsequence.md" >}})
-    - [1674.Minimum-Moves-to-Make-Array-Complementary]({{< relref "/ChapterFour/1674.Minimum-Moves-to-Make-Array-Complementary.md" >}})
-    - [1678.Goal-Parser-Interpretation]({{< relref "/ChapterFour/1678.Goal-Parser-Interpretation.md" >}})
-    - [1679.Max-Number-of-K-Sum-Pairs]({{< relref "/ChapterFour/1679.Max-Number-of-K-Sum-Pairs.md" >}})
-    - [1680.Concatenation-of-Consecutive-Binary-Numbers]({{< relref "/ChapterFour/1680.Concatenation-of-Consecutive-Binary-Numbers.md" >}})
-    - [1681.Minimum-Incompatibility]({{< relref "/ChapterFour/1681.Minimum-Incompatibility.md" >}})
-    - [1684.Count-the-Number-of-Consistent-Strings]({{< relref "/ChapterFour/1684.Count-the-Number-of-Consistent-Strings.md" >}})
-    - [1685.Sum-of-Absolute-Differences-in-a-Sorted-Array]({{< relref "/ChapterFour/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md" >}})
-    - [1688.Count-of-Matches-in-Tournament]({{< relref "/ChapterFour/1688.Count-of-Matches-in-Tournament.md" >}})
-    - [1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers]({{< relref "/ChapterFour/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers.md" >}})
-    - [1690.Stone-Game-VII]({{< relref "/ChapterFour/1690.Stone-Game-VII.md" >}})
-    - [1694.Reformat-Phone-Number]({{< relref "/ChapterFour/1694.Reformat-Phone-Number.md" >}})
-    - [1695.Maximum-Erasure-Value]({{< relref "/ChapterFour/1695.Maximum-Erasure-Value.md" >}})
-    - [1696.Jump-Game-VI]({{< relref "/ChapterFour/1696.Jump-Game-VI.md" >}})
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diff --git a/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.content b/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.content
index 03259f33..fca253c6 100644
--- a/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.content
+++ b/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.content
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\ No newline at end of file
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\ No newline at end of file
diff --git a/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.json b/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.json
index aa178522..1f6f11eb 100644
--- a/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.json
+++ b/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.json
@@ -1 +1 @@
-{"Target":"book.min.1cf8e09514d081e98d59a10c37d68862354c1b636fbdab1bfc1053e747f15b4c.css","MediaType":"text/css","Data":{"Integrity":"sha256-HPjglRTQgemNWaEMN9aIYjVMG2Nvvasb/BBT50fxW0w="}}
\ No newline at end of file
+{"Target":"book.min.52cf8c29cd59421d82760763db0286dd4a257c2c1b4d56b6edd110938a13a18a.css","MediaType":"text/css","Data":{"Integrity":"sha256-Us+MKc1ZQh2Cdgdj2wKG3UolfCwbTVa27dEQk4oToYo="}}
\ No newline at end of file
diff --git a/website/themes/book/README.md b/website/themes/book/README.md
index 7b925676..fc2f078e 100644
--- a/website/themes/book/README.md
+++ b/website/themes/book/README.md
@@ -137,39 +137,43 @@ enableGitInfo = true
 # (Optional) Theme is intended for documentation use, therefore it doesn't render taxonomy.
 # You can remove related files with config below
 disableKinds = ['taxonomy', 'taxonomyTerm']
-  
+
 [params]
+  # (Optional, default light) Sets color theme: light, dark or auto.
+  # Theme 'auto' switches between dark and light modes based on browser/os preferences
+  BookTheme = 'light'
+
   # (Optional, default true) Controls table of contents visibility on right side of pages.
   # Start and end levels can be controlled with markup.tableOfContents setting.
   # You can also specify this parameter per page in front matter.
   BookToC = true
-  
+
   # (Optional, default none) Set the path to a logo for the book. If the logo is
   # /static/logo.png then the path would be 'logo.png'
   BookLogo = 'logo.png'
-  
+
   # (Optional, default none) Set leaf bundle to render as side menu
   # When not specified file structure and weights will be used
   BookMenuBundle = '/menu'
-  
+
   # (Optional, default docs) Specify section of content to render as menu
   # You can also set value to "*" to render all sections to menu
   BookSection = 'docs'
-  
+
   # Set source repository location.
   # Used for 'Last Modified' and 'Edit this page' links.
   BookRepo = 'https://github.com/alex-shpak/hugo-book'
-  
+
   # Enable 'Edit this page' links for 'doc' page type.
   # Disabled by default. Uncomment to enable. Requires 'BookRepo' param.
   # Path must point to the site directory.
   BookEditPath = 'edit/master/exampleSite'
-  
+
   # (Optional, default January 2, 2006) Configure the date format used on the pages
   # - In git information
   # - In blog posts
   BookDateFormat = 'Jan 2, 2006'
-  
+
   # (Optional, default true) Enables search function with flexsearch,
   # Index is built on fly, therefore it might slowdown your website.
   # Configuration for indexing can be adjusted in i18n folder per language.
@@ -207,35 +211,40 @@ type = 'docs'
 # Set page weight to re-arrange items in file-tree menu (if BookMenuBundle not set)
 weight = 10
 
-# (Optional) Set to mark page as flat section in file-tree menu (if BookMenuBundle not set)
-bookFlatSection = true
+# (Optional) Set to 'true' to mark page as flat section in file-tree menu (if BookMenuBundle not set)
+bookFlatSection = false
 
-# (Optional, Experimental) Set to hide nested sections or pages at that level. Works only with file-tree menu mode
+# (Optional) Set to hide nested sections or pages at that level. Works only with file-tree menu mode
 bookCollapseSection = true
 
 # (Optional) Set true to hide page or section from side menu (if BookMenuBundle not set)
-bookHidden = true
+bookHidden = false
 
 # (Optional) Set 'false' to hide ToC from page
 bookToC = true
 
 # (Optional) If you have enabled BookComments for the site, you can disable it for specific pages.
 bookComments = true
+
+# (Optional) Set to 'false' to exclude page from search index.
+bookSearchExclude = true
 ```
 
 ### Partials
 
 There are few empty partials you can override in `layouts/partials/`
 
-| Partial                                            | Placement                              |
-| -------------------------------------------------- | -------------------------------------- |
-| `layouts/partials/docs/inject/head.html`           | Before closing `<head>` tag            |
-| `layouts/partials/docs/inject/body.html`           | Before closing `<body>` tag            |
-| `layouts/partials/docs/inject/footer.html`         | After page footer content              |
-| `layouts/partials/docs/inject/menu-before.html`    | At the beginning of `<nav>` menu block |
-| `layouts/partials/docs/inject/menu-after.html`     | At the end of `<nav>` menu block       |
-| `layouts/partials/docs/inject/content-before.html` | Before page content                    |
-| `layouts/partials/docs/inject/content-after.html`  | After page content                     |
+| Partial                                            | Placement                                   |
+| -------------------------------------------------- | ------------------------------------------- |
+| `layouts/partials/docs/inject/head.html`           | Before closing `<head>` tag                 |
+| `layouts/partials/docs/inject/body.html`           | Before closing `<body>` tag                 |
+| `layouts/partials/docs/inject/footer.html`         | After page footer content                   |
+| `layouts/partials/docs/inject/menu-before.html`    | At the beginning of `<nav>` menu block      |
+| `layouts/partials/docs/inject/menu-after.html`     | At the end of `<nav>` menu block            |
+| `layouts/partials/docs/inject/content-before.html` | Before page content                         |
+| `layouts/partials/docs/inject/content-after.html`  | After page content                          |
+| `layouts/partials/docs/inject/toc-before.html`     | At the beginning of table of contents block |
+| `layouts/partials/docs/inject/toc-after.html`      | At the end of table of contents block       |
 
 ### Extra Customisation
 
@@ -252,11 +261,10 @@ There are a few features implemented as plugable `scss` styles. Usually these ar
 
 | Plugin                            | Description                                                 |
 | --------------------------------- | ----------------------------------------------------------- |
-| `assets/plugins/_dark.scss`       | Switches site to dark mode                                  |
 | `assets/plugins/_numbered.scss`   | Makes headings in markdown numbered, e.g. `1.1`, `1.2`      |
 | `assets/plugins/_scrollbars.scss` | Overrides scrollbar styles to look similar across platforms |
 
-To enable plugins, add `@import "plugins/{name}";` to `assets/_custom.scss` in your website root. One exception is `_dark.scss` which contains variables only and should be added to `assets/_variables.scss`.
+To enable plugins, add `@import "plugins/{name}";` to `assets/_custom.scss` in your website root.
 
 ### Hugo Internal Templates
 
@@ -267,21 +275,22 @@ There are a few hugo templates inserted in `<head>`
 
 ## Shortcodes
 
- - [Buttons](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/buttons/)
- - [Columns](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/columns/)
- - [Expand](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/expand/)
- - [Hints](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/hints/)
- - [KaTeX](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/katex/)
- - [Mermaid](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/mermaid/)
- - [Tabs](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/tabs/)
- 
+- [Buttons](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/buttons/)
+- [Columns](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/columns/)
+- [Expand](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/expand/)
+- [Hints](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/hints/)
+- [KaTeX](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/katex/)
+- [Mermaid](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/mermaid/)
+- [Tabs](https://themes.gohugo.io/theme/hugo-book/docs/shortcodes/tabs/)
+
 By default, Goldmark trims unsafe outputs which might prevent some shortcodes from rendering. It is recommended to set `markup.goldmark.renderer.unsafe=true` if you encounter problems.
 
 ```toml
 [markup.goldmark.renderer]
   unsafe = true
 ```
-If you are using ```config.yaml``` or ```config.json```, consult the [configuration markup](https://gohugo.io/getting-started/configuration-markup/)
+
+If you are using `config.yaml` or `config.json`, consult the [configuration markup](https://gohugo.io/getting-started/configuration-markup/)
 
 ## Versioning
 
diff --git a/website/themes/book/assets/_defaults.scss b/website/themes/book/assets/_defaults.scss
index b17ee11b..4c866973 100644
--- a/website/themes/book/assets/_defaults.scss
+++ b/website/themes/book/assets/_defaults.scss
@@ -1,50 +1,66 @@
 // Used in layout
-$padding-1: 1px ;
-$padding-4: 0.25rem ;
-$padding-8: 0.5rem ;
-$padding-16: 1rem ;
+$padding-1: 1px !default;
+$padding-4: 0.25rem !default;
+$padding-8: 0.5rem !default;
+$padding-16: 1rem !default;
 
-$font-size-base: 16px ;
-$font-size-12: 0.75rem ;
-$font-size-14: 0.875rem ;
-$font-size-16: 1rem ;
+$font-size-base: 16px !default;
+$font-size-12: 0.75rem !default;
+$font-size-14: 0.875rem !default;
+$font-size-16: 1rem !default;
 
-$border-radius: $padding-4 ;
+$border-radius: $padding-4 !default;
 
-// Grayscale
-$white: #ffffff ;
-$gray-100: #f8f9fa ;
-$gray-200: #e9ecef ;
-$gray-300: #dee2e6 ;
-$gray-400: #ced4da ;
-$gray-500: #adb5bd ;
-$gray-600: #868e96 ;
-$gray-700: #495057 ;
-$gray-800: #343a40 ;
-$gray-900: #212529 ;
-$black: #000 ;
+$body-font-weight: normal !default;
 
-$color-link: #05b ;
-$color-visited-link: #8440f1 ;
+$body-min-width: 20rem !default;
+$container-max-width: 80rem !default;
 
-$body-background: white ;
-$body-font-color: $black ;
-$body-font-weight: normal ;
+$header-height: 3.5rem !default;
+$menu-width: 16rem !default;
+$toc-width: 16rem !default;
 
-$body-min-width: 20rem ;
-$container-max-width: 80rem ;
+$mobile-breakpoint: $menu-width + $body-min-width * 1.2 + $toc-width !default;
 
-$header-height: 3.5rem ;
-$menu-width: 16rem ;
-$toc-width: 16rem ;
-
-$mobile-breakpoint: $menu-width + $body-min-width * 1.2 + $toc-width ;
-
-// Hint colors
 $hint-colors: (
   info: #6bf,
   warning: #fd6,
-  danger: #f66
-) ;
+  danger: #f66,
+) !default;
 
-$icon-filter: none ;
+// Themes
+@mixin theme-light {
+  --gray-100: #f8f9fa;
+  --gray-200: #e9ecef;
+  --gray-500: #adb5bd;
+
+  --color-link: #0055bb;
+  --color-visited-link: #8440f1;
+
+  --body-background: white;
+  --body-font-color: black;
+
+  --icon-filter: none;
+
+  --hint-color-info: #6bf;
+  --hint-color-warning: #fd6;
+  --hint-color-danger: #f66;
+}
+
+@mixin theme-dark {
+  --gray-100: rgba(255, 255, 255, 0.1);
+  --gray-200: rgba(255, 255, 255, 0.2);
+  --gray-500: rgba(255, 255, 255, 0.5);
+
+  --color-link: #84b2ff;
+  --color-visited-link: #b88dff;
+
+  --body-background: #343a40;
+  --body-font-color: #e9ecef;
+
+  --icon-filter: brightness(0) invert(1);
+
+  --hint-color-info: #6bf;
+  --hint-color-warning: #fd6;
+  --hint-color-danger: #f66;
+}
diff --git a/website/themes/book/assets/_main.scss b/website/themes/book/assets/_main.scss
index 5cf81d0a..6c044cb5 100644
--- a/website/themes/book/assets/_main.scss
+++ b/website/themes/book/assets/_main.scss
@@ -99,7 +99,7 @@ ul.pagination {
   flex: 0 0 $menu-width;
   font-size: $font-size-14;
 
-  nav {
+  .book-menu-content {
     width: $menu-width;
     padding: $padding-16;
     background: var(--body-background);
@@ -107,8 +107,10 @@ ul.pagination {
     @include fixed;
   }
 
-  a {
+  a,
+  label {
     color: inherit;
+    cursor: pointer;
     word-wrap: break-word;
   }
 
@@ -116,13 +118,12 @@ ul.pagination {
     color: var(--color-link);
   }
 
-  a.collapsed {
-    display: flex;
-    justify-content: space-between;
+  input.toggle + label + ul {
+    display: none;
+  }
 
-    &::after {
-      content: "▸";
-    }
+  input.toggle:checked + label + ul {
+    display: block;
   }
 }
 
@@ -134,7 +135,8 @@ ul.pagination {
   }
 
   > a,
-  > span {
+  > span,
+  > label {
     font-weight: bolder;
   }
 
@@ -207,7 +209,7 @@ ul.pagination {
   flex: 0 0 $toc-width;
   font-size: $font-size-12;
 
-  nav {
+  .book-toc-content {
     width: $toc-width;
     padding: $padding-16;
 
@@ -295,7 +297,8 @@ ul.pagination {
 }
 
 // Responsive styles
-aside nav,
+.book-menu-content,
+.book-toc-content,
 .book-page,
 .book-header aside,
 .markdown {
@@ -334,7 +337,7 @@ aside nav,
       visibility: initial;
     }
 
-    .book-menu nav {
+    .book-menu .book-menu-content {
       transform: translateX($menu-width);
       box-shadow: 0 0 $padding-8 rgba(0, 0, 0, 0.1);
     }
@@ -365,7 +368,7 @@ aside nav,
 
   //for RTL support
   body[dir="rtl"] #menu-control:checked + main {
-    .book-menu nav {
+    .book-menu .book-menu-content {
       transform: translateX(-$menu-width);
     }
   }
@@ -374,8 +377,8 @@ aside nav,
 // Extra space for big screens
 @media screen and (min-width: $container-max-width) {
   .book-page,
-  .book-menu nav,
-  .book-toc nav {
+  .book-menu .book-menu-content,
+  .book-toc .book-toc-content {
     padding: $padding-16 * 2 $padding-16;
   }
 }
diff --git a/website/themes/book/assets/_markdown.scss b/website/themes/book/assets/_markdown.scss
index a97d76fa..e71de431 100644
--- a/website/themes/book/assets/_markdown.scss
+++ b/website/themes/book/assets/_markdown.scss
@@ -21,12 +21,13 @@
 
     a.anchor {
       opacity: 0;
-      font-size: .75em;
+      font-size: 0.75em;
       vertical-align: middle;
       text-decoration: none;
     }
 
-    &:hover a.anchor, a.anchor:focus {
+    &:hover a.anchor,
+    a.anchor:focus {
       opacity: initial;
     }
   }
diff --git a/website/themes/book/assets/_shortcodes.scss b/website/themes/book/assets/_shortcodes.scss
index 06463dd9..714de2ae 100644
--- a/website/themes/book/assets/_shortcodes.scss
+++ b/website/themes/book/assets/_shortcodes.scss
@@ -60,7 +60,7 @@
       display: block;
     }
     input[type="radio"]:focus + label {
-      @include outline
+      @include outline;
     }
   }
 
diff --git a/website/themes/book/assets/book.scss b/website/themes/book/assets/book.scss
index 68f6318b..59369fab 100644
--- a/website/themes/book/assets/book.scss
+++ b/website/themes/book/assets/book.scss
@@ -1,5 +1,6 @@
 @import "defaults";
 @import "variables";
+@import "themes/{{ default "light" .Site.Params.BookTheme }}";
 
 @import "normalize";
 @import "utils";
diff --git a/website/themes/book/assets/mermaid.json b/website/themes/book/assets/mermaid.json
new file mode 100644
index 00000000..0a3f4fba
--- /dev/null
+++ b/website/themes/book/assets/mermaid.json
@@ -0,0 +1,6 @@
+{
+  "flowchart": {
+    "useMaxWidth":true
+  },
+  "theme": "default"
+}
diff --git a/website/themes/book/assets/search-data.js b/website/themes/book/assets/search-data.js
index f3242819..a93664ec 100644
--- a/website/themes/book/assets/search-data.js
+++ b/website/themes/book/assets/search-data.js
@@ -16,8 +16,11 @@
   const index = FlexSearch.create('balance', indexCfg);
   window.bookSearchIndex = index;
 
-  {{ range $index, $page := where .Site.Pages "Kind" "in" (slice "page" "section") }}
-  {{ if $page.Content }}
+  {{- $pages := where .Site.Pages "Kind" "in" (slice "page" "section") -}}
+  {{- $pages = where $pages "Params.booksearchexclude" "!=" true -}}
+  {{- $pages = where $pages "Content" "not in" (slice nil "") -}}
+
+  {{ range $index, $page := $pages }}
   index.add({
     'id': {{ $index }},
     'href': '{{ $page.RelPermalink }}',
@@ -26,5 +29,4 @@
     'content': {{ $page.Plain | jsonify }}
   });
   {{- end -}}
-  {{- end -}}
 })();
diff --git a/website/themes/book/assets/themes/_auto.scss b/website/themes/book/assets/themes/_auto.scss
new file mode 100644
index 00000000..31d7f9ac
--- /dev/null
+++ b/website/themes/book/assets/themes/_auto.scss
@@ -0,0 +1,9 @@
+:root {
+  @include theme-light;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    @include theme-dark;
+  }
+}
diff --git a/website/themes/book/assets/themes/_dark.scss b/website/themes/book/assets/themes/_dark.scss
new file mode 100644
index 00000000..e00e38ef
--- /dev/null
+++ b/website/themes/book/assets/themes/_dark.scss
@@ -0,0 +1,3 @@
+:root {
+  @include theme-dark;
+}
diff --git a/website/themes/book/assets/themes/_light.scss b/website/themes/book/assets/themes/_light.scss
new file mode 100644
index 00000000..8c0e3465
--- /dev/null
+++ b/website/themes/book/assets/themes/_light.scss
@@ -0,0 +1,3 @@
+:root {
+  @include theme-light;
+}
diff --git a/website/themes/book/exampleSite/config.toml b/website/themes/book/exampleSite/config.toml
index 424d3204..165bc105 100644
--- a/website/themes/book/exampleSite/config.toml
+++ b/website/themes/book/exampleSite/config.toml
@@ -49,6 +49,10 @@ enableGitInfo = true
   weight = 20
 
 [params]
+  # (Optional, default light) Sets color theme: light, dark or auto.
+  # Theme 'auto' switches between dark and light modes based on browser/os preferences
+  BookTheme = 'light'
+
   # (Optional, default true) Controls table of contents visibility on right side of pages.
   # Start and end levels can be controlled with markup.tableOfContents setting.
   # You can also specify this parameter per page in front matter.
@@ -101,3 +105,7 @@ enableGitInfo = true
   # /!\ This is an experimental feature, might be removed or changed at any time
   # (Optional, experimental, default false) Enables service worker that caches visited pages and resources for offline use.
   BookServiceWorker = true
+
+  # /!\ This is an experimental feature, might be removed or changed at any time
+  # (Optional, experimental, default false) Enables a drop-down menu for translations only if a translation is present.
+  BookTranslatedOnly = true
diff --git a/website/themes/book/exampleSite/config.yaml b/website/themes/book/exampleSite/config.yaml
index 2a4bc335..4d582bc6 100644
--- a/website/themes/book/exampleSite/config.yaml
+++ b/website/themes/book/exampleSite/config.yaml
@@ -45,6 +45,10 @@ menu:
       weight: 20
 
 params:
+  # (Optional, default light) Sets color theme: light, dark or auto.
+  # Theme 'auto' switches between dark and light modes based on browser/os preferences
+  BookTheme: "light"
+
   # (Optional, default true) Controls table of contents visibility on right side of pages.
   # Start and end levels can be controlled with markup.tableOfContents setting.
   # You can also specify this parameter per page in front matter.
@@ -97,3 +101,7 @@ params:
   # /!\ This is an experimental feature, might be removed or changed at any time
   # (Optional, experimental, default false) Enables service worker that caches visited pages and resources for offline use.
   BookServiceWorker: true
+
+  # /!\ This is an experimental feature, might be removed or changed at any time
+  # (Optional, experimental, default false) Enables a drop-down menu for translations only if a translation is present.
+  BookTranslatedOnly: true
diff --git a/website/themes/book/exampleSite/content/docs/example/collapsed/_index.md b/website/themes/book/exampleSite/content/docs/example/collapsed/_index.md
index 806bc2ef..e954f087 100644
--- a/website/themes/book/exampleSite/content/docs/example/collapsed/_index.md
+++ b/website/themes/book/exampleSite/content/docs/example/collapsed/_index.md
@@ -2,22 +2,3 @@
 bookCollapseSection: true
 weight: 20
 ---
-
-# Collapsed Level of Menu
-
-## Cognita laeva illo fracta
-
-Lorem markdownum pavent auras, surgit nunc cingentibus libet **Laomedonque que**
-est. Pastor [An](http://est.org/ire.aspx) arbor filia foedat, ne [fugit
-aliter](http://www.indiciumturbam.org/moramquid.php), per. Helicona illas et
-callida neptem est *Oresitrophos* caput, dentibus est venit. Tenet reddite
-[famuli](http://www.antro-et.net/) praesentem fortibus, quaeque vis foret si
-frondes *gelidos* gravidae circumtulit [inpulit armenta
-nativum](http://incurvasustulit.io/illi-virtute.html).
-
-1. Te at cruciabere vides rubentis manebo
-2. Maturuit in praetemptat ruborem ignara postquam habitasse
-3. Subitarum supplevit quoque fontesque venabula spretis modo
-4. Montis tot est mali quasque gravis
-5. Quinquennem domus arsit ipse
-6. Pellem turis pugnabant locavit
diff --git a/website/themes/book/exampleSite/content/docs/shortcodes/columns.md b/website/themes/book/exampleSite/content/docs/shortcodes/columns.md
index 4df396a6..0b8fde83 100644
--- a/website/themes/book/exampleSite/content/docs/shortcodes/columns.md
+++ b/website/themes/book/exampleSite/content/docs/shortcodes/columns.md
@@ -8,12 +8,12 @@ Columns help organize shorter pieces of content horizontally for readability.
 # Left Content
 Lorem markdownum insigne...
 
-<---> <!-- magic sparator, between columns -->
+<---> <!-- magic separator, between columns -->
 
 # Mid Content
 Lorem markdownum insigne...
 
-<---> <!-- magic sparator, between columns -->
+<---> <!-- magic separator, between columns -->
 
 # Right Content
 Lorem markdownum insigne...
diff --git a/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content b/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
index 99d483a2..fe47da81 100644
--- a/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
+++ b/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
@@ -1 +1 @@
-@charset "UTF-8";/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}.flex{display:flex}.flex-auto{flex:1 1 auto}.flex-even{flex:1 1}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.mx-auto{margin:0 auto}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.hidden{display:none}input.toggle{height:0;width:0;overflow:hidden;opacity:0;position:absolute}.clearfix::after{content:"";display:table;clear:both}html{font-size:16px;scroll-behavior:smooth;touch-action:manipulation}body{min-width:20rem;color:#000;background:#fff;letter-spacing:.33px;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box}body *{box-sizing:inherit}h1,h2,h3,h4,h5{font-weight:400}a{text-decoration:none;color:#05b}img{vertical-align:baseline}:focus{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0;position:relative}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-inline-start:1rem}ul.pagination{display:flex;justify-content:center;list-style-type:none}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-icon{filter:none}.book-brand{margin-top:0}.book-brand img{height:1.5em;width:auto;vertical-align:middle;margin-inline-end:.5rem}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu nav{width:16rem;padding:1rem;background:#fff;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a{color:inherit;word-wrap:break-word}.book-menu a.active{color:#05b}.book-menu a.collapsed{display:flex;justify-content:space-between}.book-menu 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diff --git a/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json b/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
index fe66a39d..a36054ec 100644
--- a/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
+++ b/website/themes/book/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
@@ -1 +1 @@
-{"Target":"book.min.6cd8553a6854f4812343f0f0c8baca31271e686434f381fbe3c7226f66639176.css","MediaType":"text/css","Data":{"Integrity":"sha256-bNhVOmhU9IEjQ/DwyLrKMSceaGQ084H748cib2ZjkXY="}}
\ No newline at end of file
+{"Target":"book.min.6c7c6446dfdee7c8c933e9bbc6e80ee3ed6c913b2a59519f2092c3c6a9d63e55.css","MediaType":"text/css","Data":{"Integrity":"sha256-bHxkRt/e58jJM+m7xugO4+1skTsqWVGfIJLDxqnWPlU="}}
\ No newline at end of file
diff --git a/website/themes/book/i18n/tr.yaml b/website/themes/book/i18n/tr.yaml
new file mode 100644
index 00000000..518c8419
--- /dev/null
+++ b/website/themes/book/i18n/tr.yaml
@@ -0,0 +1,14 @@
+- id: Search
+  translation: Arama
+
+- id: Edit this page
+  translation: Bu sayfayı düzenle
+
+- id: Last modified by
+  translation: Son düzenleyen
+
+- id: Expand
+  translation: Genişlet
+
+- id: bookSearchConfig
+  translation: '{ cache: true }'
diff --git a/website/themes/book/layouts/_default/baseof.html b/website/themes/book/layouts/_default/baseof.html
index 8108c39f..cf2065de 100644
--- a/website/themes/book/layouts/_default/baseof.html
+++ b/website/themes/book/layouts/_default/baseof.html
@@ -2,6 +2,7 @@
 <html lang="{{ .Site.Language.Lang }}" dir={{ .Site.Language.LanguageDirection }}>
 
 <head>
+  {{ hugo.Generator }}
   {{ partial "docs/html-head" . }}
   {{ partial "docs/inject/head" . }}
 </head>
@@ -14,7 +15,9 @@
 
   <main class="container flex">
     <aside class="book-menu">
-      {{ template "menu" . }} <!-- Left menu Content -->
+      <div class="book-menu-content">
+        {{ template "menu" . }} <!-- Left menu Content -->
+      </div>
     </aside>
 
     <div class="book-page">
@@ -38,7 +41,9 @@
 
     {{ if default true (default .Site.Params.BookToC .Params.BookToC) }}
     <aside class="book-toc">
-      {{ template "toc" . }} <!-- Table of Contents -->
+      <div class="book-toc-content">
+        {{ template "toc" . }} <!-- Table of Contents -->
+      </div>
     </aside>
     {{ end }}
   </main>
diff --git a/website/themes/book/layouts/partials/docs/header.html b/website/themes/book/layouts/partials/docs/header.html
index abc4e0b3..089859cc 100644
--- a/website/themes/book/layouts/partials/docs/header.html
+++ b/website/themes/book/layouts/partials/docs/header.html
@@ -10,5 +10,4 @@
     <img src="{{ "svg/toc.svg" | relURL }}" class="book-icon" alt="Table of Contents" />
     {{ end }}
   </label>
-
 </div>
diff --git a/website/themes/book/layouts/partials/docs/inject/toc-after.html b/website/themes/book/layouts/partials/docs/inject/toc-after.html
new file mode 100644
index 00000000..e69de29b
diff --git a/website/themes/book/layouts/partials/docs/inject/toc-before.html b/website/themes/book/layouts/partials/docs/inject/toc-before.html
new file mode 100644
index 00000000..e69de29b
diff --git a/website/themes/book/layouts/partials/docs/languages.html b/website/themes/book/layouts/partials/docs/languages.html
index 14e0e2c4..40202756 100644
--- a/website/themes/book/layouts/partials/docs/languages.html
+++ b/website/themes/book/layouts/partials/docs/languages.html
@@ -1,7 +1,10 @@
 <!-- Merge home and current page translations -->
+{{ $bookTranslatedOnly := default false .Site.Params.BookTranslatedOnly }}
 {{ $translations := dict }}
-{{ range .Site.Home.AllTranslations }}
-  {{ $translations = merge $translations (dict .Language.Lang .) }}
+{{ if (eq $bookTranslatedOnly false ) }}
+  {{ range .Site.Home.AllTranslations }}
+    {{ $translations = merge $translations (dict .Language.Lang .) }}
+  {{ end }}
 {{ end }}
 {{ range .Translations }}
   {{ $translations = merge $translations (dict .Language.Lang .) }}
diff --git a/website/themes/book/layouts/partials/docs/menu-filetree.html b/website/themes/book/layouts/partials/docs/menu-filetree.html
index fcde91e5..3ca9db21 100644
--- a/website/themes/book/layouts/partials/docs/menu-filetree.html
+++ b/website/themes/book/layouts/partials/docs/menu-filetree.html
@@ -8,11 +8,6 @@
 {{ end }}
 
 {{ define "book-section-children" }}{{/* (dict "Section" .Section "CurrentPage" .CurrentPage) */}}
-  {{ $self := eq .CurrentPage .Section }}
-  {{ $ancestor := .Section.IsAncestor .CurrentPage }}
-  {{ $collapsed := .Section.Params.bookCollapseSection }}
-
-  {{ if or $self $ancestor (not $collapsed) }}
   <ul>
     {{ range (where .Section.Pages "Params.bookhidden" "ne" true) }}
       {{ if .IsSection }}
@@ -27,14 +22,22 @@
       {{ end }}
     {{ end }}
   </ul>
-  {{ end }}
 {{ end }}
 
 {{ define "book-page-link" }}{{/* (dict "Page" .Page "CurrentPage" .CurrentPage) */}}
-  {{ if .Page.Content }}
-    <a href="{{ .Page.RelPermalink }}" class="
-        {{- if and .Page.Params.bookCollapseSection .Page.IsSection }}collapsed {{ end }}
-        {{- if eq .CurrentPage .Page }}active{{ end }}">
+  {{ $current := eq .CurrentPage .Page }}
+  {{ $ancestor := .Page.IsAncestor .CurrentPage }}
+
+  {{ if .Page.Params.bookCollapseSection }}
+    <input type="checkbox" id="section-{{ md5 .Page }}" class="toggle" {{ if or $current $ancestor }}checked{{ end }} />
+    <label for="section-{{ md5 .Page }}" class="flex justify-between">
+      <a {{ if .Page.Content }}href="{{ .Page.Permalink }}"{{ end }} class="{{ if $current }}active{{ end }}">
+        {{- partial "docs/title" .Page -}}
+      </a>
+      <span>▾</span>
+    </label>
+  {{ else if .Page.Content }}
+    <a href="{{ .Page.Permalink }}" class="{{ if $current }} active{{ end }}">
       {{- partial "docs/title" .Page -}}
     </a>
   {{ else }}
diff --git a/website/themes/book/layouts/partials/docs/menu.html b/website/themes/book/layouts/partials/docs/menu.html
index 3a71f42d..ee76e873 100644
--- a/website/themes/book/layouts/partials/docs/menu.html
+++ b/website/themes/book/layouts/partials/docs/menu.html
@@ -5,6 +5,8 @@
 {{ partial "docs/inject/menu-before" . }}
 {{ partial "docs/menu-hugo" .Site.Menus.before }}
 
+<hr>
+
 {{ if .Site.Params.BookMenuBundle }}
   {{ partial "docs/menu-bundle" . }}
 {{ else }}
diff --git a/website/themes/book/layouts/partials/docs/toc.html b/website/themes/book/layouts/partials/docs/toc.html
index 64546ec0..64697a47 100644
--- a/website/themes/book/layouts/partials/docs/toc.html
+++ b/website/themes/book/layouts/partials/docs/toc.html
@@ -1 +1,3 @@
+{{ partial "docs/inject/toc-before" . }}
 {{ .TableOfContents }}
+{{ partial "docs/inject/toc-after" . }}
diff --git a/website/themes/book/layouts/shortcodes/mermaid.html b/website/themes/book/layouts/shortcodes/mermaid.html
index 9a9436f6..ff903350 100644
--- a/website/themes/book/layouts/shortcodes/mermaid.html
+++ b/website/themes/book/layouts/shortcodes/mermaid.html
@@ -1,11 +1,9 @@
 {{ if not (.Page.Scratch.Get "mermaid") }}
 <!-- Include mermaid only first time -->
 <script src="{{ "mermaid.min.js" | relURL }}"></script>
-<script>
-mermaid.initialize({
-  flowchart: { useMaxWidth:true }
-});
-</script>
+{{ with resources.Get "mermaid.json" }}
+  <script>mermaid.initialize({{ .Content | safeJS }})</script>
+{{ end }}
 {{ .Page.Scratch.Set "mermaid" true }}
 {{ end }}
 
diff --git a/website/themes/book/static/mermaid.min.js b/website/themes/book/static/mermaid.min.js
index 89f3721e..48da6d6c 100644
--- a/website/themes/book/static/mermaid.min.js
+++ b/website/themes/book/static/mermaid.min.js
@@ -1,11 +1,4 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.mermaid=e():t.mermaid=e()}("undefined"!=typeof self?self:this,(function(){return function(t){var e={};function n(r){if(e[r])return e[r].exports;var i=e[r]={i:r,l:!1,exports:{}};return t[r].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var i in t)n.d(r,i,function(e){return t[e]}.bind(null,i));return r},n.n=function(t){var 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f=u>>>26,l=67108863&u,h=Math.min(c,e.length-1),d=Math.max(0,c-t.length+1);d<=h;d++){var p=c-d|0;f+=(o=(i=0|t.words[p])*(a=0|e.words[d])+l)/67108864|0,l=67108863&o}n.words[c]=0|l,u=0|f}return 0!==u?n.words[c]=0|u:n.length--,n.strip()}a.prototype.toString=function(t,e){var n;if(e=0|e||1,16===(t=t||10)||"hex"===t){n="";for(var i=0,a=0,o=0;o<this.length;o++){var s=this.words[o],u=(16777215&(s<<i|a)).toString(16);n=0!==(a=s>>>24-i&16777215)||o!==this.length-1?c[6-u.length]+u+n:u+n,(i+=2)>=26&&(i-=26,o--)}for(0!==a&&(n=a.toString(16)+n);n.length%e!=0;)n="0"+n;return 0!==this.negative&&(n="-"+n),n}if(t===(0|t)&&t>=2&&t<=36){var h=f[t],d=l[t];n="";var p=this.clone();for(p.negative=0;!p.isZero();){var g=p.modn(d).toString(t);n=(p=p.idivn(d)).isZero()?g+n:c[h-g.length]+g+n}for(this.isZero()&&(n="0"+n);n.length%e!=0;)n="0"+n;return 0!==this.negative&&(n="-"+n),n}r(!1,"Base should be between 2 and 36")},a.prototype.toNumber=function(){var t=this.words[0];return 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e,n;this.length>t.length?(e=this,n=t):(e=t,n=this);for(var r=0;r<n.length;r++)this.words[r]=e.words[r]^n.words[r];if(this!==e)for(;r<e.length;r++)this.words[r]=e.words[r];return this.length=e.length,this.strip()},a.prototype.ixor=function(t){return r(0==(this.negative|t.negative)),this.iuxor(t)},a.prototype.xor=function(t){return this.length>t.length?this.clone().ixor(t):t.clone().ixor(this)},a.prototype.uxor=function(t){return this.length>t.length?this.clone().iuxor(t):t.clone().iuxor(this)},a.prototype.inotn=function(t){r("number"==typeof t&&t>=0);var e=0|Math.ceil(t/26),n=t%26;this._expand(e),n>0&&e--;for(var i=0;i<e;i++)this.words[i]=67108863&~this.words[i];return n>0&&(this.words[i]=~this.words[i]&67108863>>26-n),this.strip()},a.prototype.notn=function(t){return this.clone().inotn(t)},a.prototype.setn=function(t,e){r("number"==typeof t&&t>=0);var n=t/26|0,i=t%26;return this._expand(n+1),this.words[n]=e?this.words[n]|1<<i:this.words[n]&~(1<<i),this.strip()},a.prototype.iadd=function(t){var e,n,r;if(0!==this.negative&&0===t.negative)return this.negative=0,e=this.isub(t),this.negative^=1,this._normSign();if(0===this.negative&&0!==t.negative)return t.negative=0,e=this.isub(t),t.negative=1,e._normSign();this.length>t.length?(n=this,r=t):(n=t,r=this);for(var i=0,a=0;a<r.length;a++)e=(0|n.words[a])+(0|r.words[a])+i,this.words[a]=67108863&e,i=e>>>26;for(;0!==i&&a<n.length;a++)e=(0|n.words[a])+i,this.words[a]=67108863&e,i=e>>>26;if(this.length=n.length,0!==i)this.words[this.length]=i,this.length++;else if(n!==this)for(;a<n.length;a++)this.words[a]=n.words[a];return this},a.prototype.add=function(t){var e;return 0!==t.negative&&0===this.negative?(t.negative=0,e=this.sub(t),t.negative^=1,e):0===t.negative&&0!==this.negative?(this.negative=0,e=t.sub(this),this.negative=1,e):this.length>t.length?this.clone().iadd(t):t.clone().iadd(this)},a.prototype.isub=function(t){if(0!==t.negative){t.negative=0;var e=this.iadd(t);return t.negative=1,e._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(t),this.negative=1,this._normSign();var n,r,i=this.cmp(t);if(0===i)return this.negative=0,this.length=1,this.words[0]=0,this;i>0?(n=this,r=t):(n=t,r=this);for(var a=0,o=0;o<r.length;o++)a=(e=(0|n.words[o])-(0|r.words[o])+a)>>26,this.words[o]=67108863&e;for(;0!==a&&o<n.length;o++)a=(e=(0|n.words[o])+a)>>26,this.words[o]=67108863&e;if(0===a&&o<n.length&&n!==this)for(;o<n.length;o++)this.words[o]=n.words[o];return this.length=Math.max(this.length,o),n!==this&&(this.negative=1),this.strip()},a.prototype.sub=function(t){return this.clone().isub(t)};var d=function(t,e,n){var r,i,a,o=t.words,s=e.words,u=n.words,c=0,f=0|o[0],l=8191&f,h=f>>>13,d=0|o[1],p=8191&d,g=d>>>13,y=0|o[2],b=8191&y,v=y>>>13,m=0|o[3],_=8191&m,w=m>>>13,x=0|o[4],k=8191&x,E=x>>>13,A=0|o[5],S=8191&A,M=A>>>13,T=0|o[6],D=8191&T,C=T>>>13,N=0|o[7],I=8191&N,L=N>>>13,B=0|o[8],O=8191&B,R=B>>>13,P=0|o[9],F=8191&P,q=P>>>13,j=0|s[0],U=8191&j,z=j>>>13,Y=0|s[1],V=8191&Y,H=Y>>>13,G=0|s[2],$=8191&G,W=G>>>13,K=0|s[3],X=8191&K,Z=K>>>13,J=0|s[4],Q=8191&J,tt=J>>>13,et=0|s[5],nt=8191&et,rt=et>>>13,it=0|s[6],at=8191&it,ot=it>>>13,st=0|s[7],ut=8191&st,ct=st>>>13,ft=0|s[8],lt=8191&ft,ht=ft>>>13,dt=0|s[9],pt=8191&dt,gt=dt>>>13;n.negative=t.negative^e.negative,n.length=19;var yt=(c+(r=Math.imul(l,U))|0)+((8191&(i=(i=Math.imul(l,z))+Math.imul(h,U)|0))<<13)|0;c=((a=Math.imul(h,z))+(i>>>13)|0)+(yt>>>26)|0,yt&=67108863,r=Math.imul(p,U),i=(i=Math.imul(p,z))+Math.imul(g,U)|0,a=Math.imul(g,z);var bt=(c+(r=r+Math.imul(l,V)|0)|0)+((8191&(i=(i=i+Math.imul(l,H)|0)+Math.imul(h,V)|0))<<13)|0;c=((a=a+Math.imul(h,H)|0)+(i>>>13)|0)+(bt>>>26)|0,bt&=67108863,r=Math.imul(b,U),i=(i=Math.imul(b,z))+Math.imul(v,U)|0,a=Math.imul(v,z),r=r+Math.imul(p,V)|0,i=(i=i+Math.imul(p,H)|0)+Math.imul(g,V)|0,a=a+Math.imul(g,H)|0;var vt=(c+(r=r+Math.imul(l,$)|0)|0)+((8191&(i=(i=i+Math.imul(l,W)|0)+Math.imul(h,$)|0))<<13)|0;c=((a=a+Math.imul(h,W)|0)+(i>>>13)|0)+(vt>>>26)|0,vt&=67108863,r=Math.imul(_,U),i=(i=Math.imul(_,z))+Math.imul(w,U)|0,a=Math.imul(w,z),r=r+Math.imul(b,V)|0,i=(i=i+Math.imul(b,H)|0)+Math.imul(v,V)|0,a=a+Math.imul(v,H)|0,r=r+Math.imul(p,$)|0,i=(i=i+Math.imul(p,W)|0)+Math.imul(g,$)|0,a=a+Math.imul(g,W)|0;var mt=(c+(r=r+Math.imul(l,X)|0)|0)+((8191&(i=(i=i+Math.imul(l,Z)|0)+Math.imul(h,X)|0))<<13)|0;c=((a=a+Math.imul(h,Z)|0)+(i>>>13)|0)+(mt>>>26)|0,mt&=67108863,r=Math.imul(k,U),i=(i=Math.imul(k,z))+Math.imul(E,U)|0,a=Math.imul(E,z),r=r+Math.imul(_,V)|0,i=(i=i+Math.imul(_,H)|0)+Math.imul(w,V)|0,a=a+Math.imul(w,H)|0,r=r+Math.imul(b,$)|0,i=(i=i+Math.imul(b,W)|0)+Math.imul(v,$)|0,a=a+Math.imul(v,W)|0,r=r+Math.imul(p,X)|0,i=(i=i+Math.imul(p,Z)|0)+Math.imul(g,X)|0,a=a+Math.imul(g,Z)|0;var _t=(c+(r=r+Math.imul(l,Q)|0)|0)+((8191&(i=(i=i+Math.imul(l,tt)|0)+Math.imul(h,Q)|0))<<13)|0;c=((a=a+Math.imul(h,tt)|0)+(i>>>13)|0)+(_t>>>26)|0,_t&=67108863,r=Math.imul(S,U),i=(i=Math.imul(S,z))+Math.imul(M,U)|0,a=Math.imul(M,z),r=r+Math.imul(k,V)|0,i=(i=i+Math.imul(k,H)|0)+Math.imul(E,V)|0,a=a+Math.imul(E,H)|0,r=r+Math.imul(_,$)|0,i=(i=i+Math.imul(_,W)|0)+Math.imul(w,$)|0,a=a+Math.imul(w,W)|0,r=r+Math.imul(b,X)|0,i=(i=i+Math.imul(b,Z)|0)+Math.imul(v,X)|0,a=a+Math.imul(v,Z)|0,r=r+Math.imul(p,Q)|0,i=(i=i+Math.imul(p,tt)|0)+Math.imul(g,Q)|0,a=a+Math.imul(g,tt)|0;var wt=(c+(r=r+Math.imul(l,nt)|0)|0)+((8191&(i=(i=i+Math.imul(l,rt)|0)+Math.imul(h,nt)|0))<<13)|0;c=((a=a+Math.imul(h,rt)|0)+(i>>>13)|0)+(wt>>>26)|0,wt&=67108863,r=Math.imul(D,U),i=(i=Math.imul(D,z))+Math.imul(C,U)|0,a=Math.imul(C,z),r=r+Math.imul(S,V)|0,i=(i=i+Math.imul(S,H)|0)+Math.imul(M,V)|0,a=a+Math.imul(M,H)|0,r=r+Math.imul(k,$)|0,i=(i=i+Math.imul(k,W)|0)+Math.imul(E,$)|0,a=a+Math.imul(E,W)|0,r=r+Math.imul(_,X)|0,i=(i=i+Math.imul(_,Z)|0)+Math.imul(w,X)|0,a=a+Math.imul(w,Z)|0,r=r+Math.imul(b,Q)|0,i=(i=i+Math.imul(b,tt)|0)+Math.imul(v,Q)|0,a=a+Math.imul(v,tt)|0,r=r+Math.imul(p,nt)|0,i=(i=i+Math.imul(p,rt)|0)+Math.imul(g,nt)|0,a=a+Math.imul(g,rt)|0;var xt=(c+(r=r+Math.imul(l,at)|0)|0)+((8191&(i=(i=i+Math.imul(l,ot)|0)+Math.imul(h,at)|0))<<13)|0;c=((a=a+Math.imul(h,ot)|0)+(i>>>13)|0)+(xt>>>26)|0,xt&=67108863,r=Math.imul(I,U),i=(i=Math.imul(I,z))+Math.imul(L,U)|0,a=Math.imul(L,z),r=r+Math.imul(D,V)|0,i=(i=i+Math.imul(D,H)|0)+Math.imul(C,V)|0,a=a+Math.imul(C,H)|0,r=r+Math.imul(S,$)|0,i=(i=i+Math.imul(S,W)|0)+Math.imul(M,$)|0,a=a+Math.imul(M,W)|0,r=r+Math.imul(k,X)|0,i=(i=i+Math.imul(k,Z)|0)+Math.imul(E,X)|0,a=a+Math.imul(E,Z)|0,r=r+Math.imul(_,Q)|0,i=(i=i+Math.imul(_,tt)|0)+Math.imul(w,Q)|0,a=a+Math.imul(w,tt)|0,r=r+Math.imul(b,nt)|0,i=(i=i+Math.imul(b,rt)|0)+Math.imul(v,nt)|0,a=a+Math.imul(v,rt)|0,r=r+Math.imul(p,at)|0,i=(i=i+Math.imul(p,ot)|0)+Math.imul(g,at)|0,a=a+Math.imul(g,ot)|0;var kt=(c+(r=r+Math.imul(l,ut)|0)|0)+((8191&(i=(i=i+Math.imul(l,ct)|0)+Math.imul(h,ut)|0))<<13)|0;c=((a=a+Math.imul(h,ct)|0)+(i>>>13)|0)+(kt>>>26)|0,kt&=67108863,r=Math.imul(O,U),i=(i=Math.imul(O,z))+Math.imul(R,U)|0,a=Math.imul(R,z),r=r+Math.imul(I,V)|0,i=(i=i+Math.imul(I,H)|0)+Math.imul(L,V)|0,a=a+Math.imul(L,H)|0,r=r+Math.imul(D,$)|0,i=(i=i+Math.imul(D,W)|0)+Math.imul(C,$)|0,a=a+Math.imul(C,W)|0,r=r+Math.imul(S,X)|0,i=(i=i+Math.imul(S,Z)|0)+Math.imul(M,X)|0,a=a+Math.imul(M,Z)|0,r=r+Math.imul(k,Q)|0,i=(i=i+Math.imul(k,tt)|0)+Math.imul(E,Q)|0,a=a+Math.imul(E,tt)|0,r=r+Math.imul(_,nt)|0,i=(i=i+Math.imul(_,rt)|0)+Math.imul(w,nt)|0,a=a+Math.imul(w,rt)|0,r=r+Math.imul(b,at)|0,i=(i=i+Math.imul(b,ot)|0)+Math.imul(v,at)|0,a=a+Math.imul(v,ot)|0,r=r+Math.imul(p,ut)|0,i=(i=i+Math.imul(p,ct)|0)+Math.imul(g,ut)|0,a=a+Math.imul(g,ct)|0;var Et=(c+(r=r+Math.imul(l,lt)|0)|0)+((8191&(i=(i=i+Math.imul(l,ht)|0)+Math.imul(h,lt)|0))<<13)|0;c=((a=a+Math.imul(h,ht)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,r=Math.imul(F,U),i=(i=Math.imul(F,z))+Math.imul(q,U)|0,a=Math.imul(q,z),r=r+Math.imul(O,V)|0,i=(i=i+Math.imul(O,H)|0)+Math.imul(R,V)|0,a=a+Math.imul(R,H)|0,r=r+Math.imul(I,$)|0,i=(i=i+Math.imul(I,W)|0)+Math.imul(L,$)|0,a=a+Math.imul(L,W)|0,r=r+Math.imul(D,X)|0,i=(i=i+Math.imul(D,Z)|0)+Math.imul(C,X)|0,a=a+Math.imul(C,Z)|0,r=r+Math.imul(S,Q)|0,i=(i=i+Math.imul(S,tt)|0)+Math.imul(M,Q)|0,a=a+Math.imul(M,tt)|0,r=r+Math.imul(k,nt)|0,i=(i=i+Math.imul(k,rt)|0)+Math.imul(E,nt)|0,a=a+Math.imul(E,rt)|0,r=r+Math.imul(_,at)|0,i=(i=i+Math.imul(_,ot)|0)+Math.imul(w,at)|0,a=a+Math.imul(w,ot)|0,r=r+Math.imul(b,ut)|0,i=(i=i+Math.imul(b,ct)|0)+Math.imul(v,ut)|0,a=a+Math.imul(v,ct)|0,r=r+Math.imul(p,lt)|0,i=(i=i+Math.imul(p,ht)|0)+Math.imul(g,lt)|0,a=a+Math.imul(g,ht)|0;var At=(c+(r=r+Math.imul(l,pt)|0)|0)+((8191&(i=(i=i+Math.imul(l,gt)|0)+Math.imul(h,pt)|0))<<13)|0;c=((a=a+Math.imul(h,gt)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,r=Math.imul(F,V),i=(i=Math.imul(F,H))+Math.imul(q,V)|0,a=Math.imul(q,H),r=r+Math.imul(O,$)|0,i=(i=i+Math.imul(O,W)|0)+Math.imul(R,$)|0,a=a+Math.imul(R,W)|0,r=r+Math.imul(I,X)|0,i=(i=i+Math.imul(I,Z)|0)+Math.imul(L,X)|0,a=a+Math.imul(L,Z)|0,r=r+Math.imul(D,Q)|0,i=(i=i+Math.imul(D,tt)|0)+Math.imul(C,Q)|0,a=a+Math.imul(C,tt)|0,r=r+Math.imul(S,nt)|0,i=(i=i+Math.imul(S,rt)|0)+Math.imul(M,nt)|0,a=a+Math.imul(M,rt)|0,r=r+Math.imul(k,at)|0,i=(i=i+Math.imul(k,ot)|0)+Math.imul(E,at)|0,a=a+Math.imul(E,ot)|0,r=r+Math.imul(_,ut)|0,i=(i=i+Math.imul(_,ct)|0)+Math.imul(w,ut)|0,a=a+Math.imul(w,ct)|0,r=r+Math.imul(b,lt)|0,i=(i=i+Math.imul(b,ht)|0)+Math.imul(v,lt)|0,a=a+Math.imul(v,ht)|0;var St=(c+(r=r+Math.imul(p,pt)|0)|0)+((8191&(i=(i=i+Math.imul(p,gt)|0)+Math.imul(g,pt)|0))<<13)|0;c=((a=a+Math.imul(g,gt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,r=Math.imul(F,$),i=(i=Math.imul(F,W))+Math.imul(q,$)|0,a=Math.imul(q,W),r=r+Math.imul(O,X)|0,i=(i=i+Math.imul(O,Z)|0)+Math.imul(R,X)|0,a=a+Math.imul(R,Z)|0,r=r+Math.imul(I,Q)|0,i=(i=i+Math.imul(I,tt)|0)+Math.imul(L,Q)|0,a=a+Math.imul(L,tt)|0,r=r+Math.imul(D,nt)|0,i=(i=i+Math.imul(D,rt)|0)+Math.imul(C,nt)|0,a=a+Math.imul(C,rt)|0,r=r+Math.imul(S,at)|0,i=(i=i+Math.imul(S,ot)|0)+Math.imul(M,at)|0,a=a+Math.imul(M,ot)|0,r=r+Math.imul(k,ut)|0,i=(i=i+Math.imul(k,ct)|0)+Math.imul(E,ut)|0,a=a+Math.imul(E,ct)|0,r=r+Math.imul(_,lt)|0,i=(i=i+Math.imul(_,ht)|0)+Math.imul(w,lt)|0,a=a+Math.imul(w,ht)|0;var Mt=(c+(r=r+Math.imul(b,pt)|0)|0)+((8191&(i=(i=i+Math.imul(b,gt)|0)+Math.imul(v,pt)|0))<<13)|0;c=((a=a+Math.imul(v,gt)|0)+(i>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,r=Math.imul(F,X),i=(i=Math.imul(F,Z))+Math.imul(q,X)|0,a=Math.imul(q,Z),r=r+Math.imul(O,Q)|0,i=(i=i+Math.imul(O,tt)|0)+Math.imul(R,Q)|0,a=a+Math.imul(R,tt)|0,r=r+Math.imul(I,nt)|0,i=(i=i+Math.imul(I,rt)|0)+Math.imul(L,nt)|0,a=a+Math.imul(L,rt)|0,r=r+Math.imul(D,at)|0,i=(i=i+Math.imul(D,ot)|0)+Math.imul(C,at)|0,a=a+Math.imul(C,ot)|0,r=r+Math.imul(S,ut)|0,i=(i=i+Math.imul(S,ct)|0)+Math.imul(M,ut)|0,a=a+Math.imul(M,ct)|0,r=r+Math.imul(k,lt)|0,i=(i=i+Math.imul(k,ht)|0)+Math.imul(E,lt)|0,a=a+Math.imul(E,ht)|0;var Tt=(c+(r=r+Math.imul(_,pt)|0)|0)+((8191&(i=(i=i+Math.imul(_,gt)|0)+Math.imul(w,pt)|0))<<13)|0;c=((a=a+Math.imul(w,gt)|0)+(i>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,r=Math.imul(F,Q),i=(i=Math.imul(F,tt))+Math.imul(q,Q)|0,a=Math.imul(q,tt),r=r+Math.imul(O,nt)|0,i=(i=i+Math.imul(O,rt)|0)+Math.imul(R,nt)|0,a=a+Math.imul(R,rt)|0,r=r+Math.imul(I,at)|0,i=(i=i+Math.imul(I,ot)|0)+Math.imul(L,at)|0,a=a+Math.imul(L,ot)|0,r=r+Math.imul(D,ut)|0,i=(i=i+Math.imul(D,ct)|0)+Math.imul(C,ut)|0,a=a+Math.imul(C,ct)|0,r=r+Math.imul(S,lt)|0,i=(i=i+Math.imul(S,ht)|0)+Math.imul(M,lt)|0,a=a+Math.imul(M,ht)|0;var Dt=(c+(r=r+Math.imul(k,pt)|0)|0)+((8191&(i=(i=i+Math.imul(k,gt)|0)+Math.imul(E,pt)|0))<<13)|0;c=((a=a+Math.imul(E,gt)|0)+(i>>>13)|0)+(Dt>>>26)|0,Dt&=67108863,r=Math.imul(F,nt),i=(i=Math.imul(F,rt))+Math.imul(q,nt)|0,a=Math.imul(q,rt),r=r+Math.imul(O,at)|0,i=(i=i+Math.imul(O,ot)|0)+Math.imul(R,at)|0,a=a+Math.imul(R,ot)|0,r=r+Math.imul(I,ut)|0,i=(i=i+Math.imul(I,ct)|0)+Math.imul(L,ut)|0,a=a+Math.imul(L,ct)|0,r=r+Math.imul(D,lt)|0,i=(i=i+Math.imul(D,ht)|0)+Math.imul(C,lt)|0,a=a+Math.imul(C,ht)|0;var Ct=(c+(r=r+Math.imul(S,pt)|0)|0)+((8191&(i=(i=i+Math.imul(S,gt)|0)+Math.imul(M,pt)|0))<<13)|0;c=((a=a+Math.imul(M,gt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,r=Math.imul(F,at),i=(i=Math.imul(F,ot))+Math.imul(q,at)|0,a=Math.imul(q,ot),r=r+Math.imul(O,ut)|0,i=(i=i+Math.imul(O,ct)|0)+Math.imul(R,ut)|0,a=a+Math.imul(R,ct)|0,r=r+Math.imul(I,lt)|0,i=(i=i+Math.imul(I,ht)|0)+Math.imul(L,lt)|0,a=a+Math.imul(L,ht)|0;var Nt=(c+(r=r+Math.imul(D,pt)|0)|0)+((8191&(i=(i=i+Math.imul(D,gt)|0)+Math.imul(C,pt)|0))<<13)|0;c=((a=a+Math.imul(C,gt)|0)+(i>>>13)|0)+(Nt>>>26)|0,Nt&=67108863,r=Math.imul(F,ut),i=(i=Math.imul(F,ct))+Math.imul(q,ut)|0,a=Math.imul(q,ct),r=r+Math.imul(O,lt)|0,i=(i=i+Math.imul(O,ht)|0)+Math.imul(R,lt)|0,a=a+Math.imul(R,ht)|0;var It=(c+(r=r+Math.imul(I,pt)|0)|0)+((8191&(i=(i=i+Math.imul(I,gt)|0)+Math.imul(L,pt)|0))<<13)|0;c=((a=a+Math.imul(L,gt)|0)+(i>>>13)|0)+(It>>>26)|0,It&=67108863,r=Math.imul(F,lt),i=(i=Math.imul(F,ht))+Math.imul(q,lt)|0,a=Math.imul(q,ht);var Lt=(c+(r=r+Math.imul(O,pt)|0)|0)+((8191&(i=(i=i+Math.imul(O,gt)|0)+Math.imul(R,pt)|0))<<13)|0;c=((a=a+Math.imul(R,gt)|0)+(i>>>13)|0)+(Lt>>>26)|0,Lt&=67108863;var Bt=(c+(r=Math.imul(F,pt))|0)+((8191&(i=(i=Math.imul(F,gt))+Math.imul(q,pt)|0))<<13)|0;return c=((a=Math.imul(q,gt))+(i>>>13)|0)+(Bt>>>26)|0,Bt&=67108863,u[0]=yt,u[1]=bt,u[2]=vt,u[3]=mt,u[4]=_t,u[5]=wt,u[6]=xt,u[7]=kt,u[8]=Et,u[9]=At,u[10]=St,u[11]=Mt,u[12]=Tt,u[13]=Dt,u[14]=Ct,u[15]=Nt,u[16]=It,u[17]=Lt,u[18]=Bt,0!==c&&(u[19]=c,n.length++),n};function p(t,e,n){return(new g).mulp(t,e,n)}function g(t,e){this.x=t,this.y=e}Math.imul||(d=h),a.prototype.mulTo=function(t,e){var n=this.length+t.length;return 10===this.length&&10===t.length?d(this,t,e):n<63?h(this,t,e):n<1024?function(t,e,n){n.negative=e.negative^t.negative,n.length=t.length+e.length;for(var r=0,i=0,a=0;a<n.length-1;a++){var o=i;i=0;for(var s=67108863&r,u=Math.min(a,e.length-1),c=Math.max(0,a-t.length+1);c<=u;c++){var f=a-c,l=(0|t.words[f])*(0|e.words[c]),h=67108863&l;s=67108863&(h=h+s|0),i+=(o=(o=o+(l/67108864|0)|0)+(h>>>26)|0)>>>26,o&=67108863}n.words[a]=s,r=o,o=i}return 0!==r?n.words[a]=r:n.length--,n.strip()}(this,t,e):p(this,t,e)},g.prototype.makeRBT=function(t){for(var e=new 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i=8192*Math.round(t[2*r+1]/e)+Math.round(t[2*r]/e)+n;t[r]=67108863&i,n=i<67108864?0:i/67108864|0}return t},g.prototype.convert13b=function(t,e,n,i){for(var a=0,o=0;o<e;o++)a+=0|t[o],n[2*o]=8191&a,a>>>=13,n[2*o+1]=8191&a,a>>>=13;for(o=2*e;o<i;++o)n[o]=0;r(0===a),r(0==(-8192&a))},g.prototype.stub=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=0;return e},g.prototype.mulp=function(t,e,n){var r=2*this.guessLen13b(t.length,e.length),i=this.makeRBT(r),a=this.stub(r),o=new Array(r),s=new Array(r),u=new Array(r),c=new Array(r),f=new Array(r),l=new Array(r),h=n.words;h.length=r,this.convert13b(t.words,t.length,o,r),this.convert13b(e.words,e.length,c,r),this.transform(o,a,s,u,r,i),this.transform(c,a,f,l,r,i);for(var d=0;d<r;d++){var p=s[d]*f[d]-u[d]*l[d];u[d]=s[d]*l[d]+u[d]*f[d],s[d]=p}return this.conjugate(s,u,r),this.transform(s,u,h,a,r,i),this.conjugate(h,a,r),this.normalize13b(h,r),n.negative=t.negative^e.negative,n.length=t.length+e.length,n.strip()},a.prototype.mul=function(t){var e=new a(null);return e.words=new Array(this.length+t.length),this.mulTo(t,e)},a.prototype.mulf=function(t){var e=new a(null);return e.words=new Array(this.length+t.length),p(this,t,e)},a.prototype.imul=function(t){return this.clone().mulTo(t,this)},a.prototype.imuln=function(t){r("number"==typeof t),r(t<67108864);for(var e=0,n=0;n<this.length;n++){var i=(0|this.words[n])*t,a=(67108863&i)+(67108863&e);e>>=26,e+=i/67108864|0,e+=a>>>26,this.words[n]=67108863&a}return 0!==e&&(this.words[n]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),n=0;n<e.length;n++){var r=n/26|0,i=n%26;e[n]=(t.words[r]&1<<i)>>>i}return e}(t);if(0===e.length)return new a(1);for(var n=this,r=0;r<e.length&&0===e[r];r++,n=n.sqr());if(++r<e.length)for(var i=n.sqr();r<e.length;r++,i=i.sqr())0!==e[r]&&(n=n.mul(i));return n},a.prototype.iushln=function(t){r("number"==typeof t&&t>=0);var e,n=t%26,i=(t-n)/26,a=67108863>>>26-n<<26-n;if(0!==n){var o=0;for(e=0;e<this.length;e++){var s=this.words[e]&a,u=(0|this.words[e])-s<<n;this.words[e]=u|o,o=s>>>26-n}o&&(this.words[e]=o,this.length++)}if(0!==i){for(e=this.length-1;e>=0;e--)this.words[e+i]=this.words[e];for(e=0;e<i;e++)this.words[e]=0;this.length+=i}return this.strip()},a.prototype.ishln=function(t){return r(0===this.negative),this.iushln(t)},a.prototype.iushrn=function(t,e,n){var i;r("number"==typeof t&&t>=0),i=e?(e-e%26)/26:0;var a=t%26,o=Math.min((t-a)/26,this.length),s=67108863^67108863>>>a<<a,u=n;if(i-=o,i=Math.max(0,i),u){for(var c=0;c<o;c++)u.words[c]=this.words[c];u.length=o}if(0===o);else if(this.length>o)for(this.length-=o,c=0;c<this.length;c++)this.words[c]=this.words[c+o];else this.words[0]=0,this.length=1;var f=0;for(c=this.length-1;c>=0&&(0!==f||c>=i);c--){var l=0|this.words[c];this.words[c]=f<<26-a|l>>>a,f=l&s}return u&&0!==f&&(u.words[u.length++]=f),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,n){return r(0===this.negative),this.iushrn(t,e,n)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){r("number"==typeof t&&t>=0);var e=t%26,n=(t-e)/26,i=1<<e;return!(this.length<=n)&&!!(this.words[n]&i)},a.prototype.imaskn=function(t){r("number"==typeof t&&t>=0);var e=t%26,n=(t-e)/26;if(r(0===this.negative,"imaskn works only with positive numbers"),this.length<=n)return this;if(0!==e&&n++,this.length=Math.min(n,this.length),0!==e){var i=67108863^67108863>>>e<<e;this.words[this.length-1]&=i}return this.strip()},a.prototype.maskn=function(t){return this.clone().imaskn(t)},a.prototype.iaddn=function(t){return r("number"==typeof t),r(t<67108864),t<0?this.isubn(-t):0!==this.negative?1===this.length&&(0|this.words[0])<t?(this.words[0]=t-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(t),this.negative=1,this):this._iaddn(t)},a.prototype._iaddn=function(t){this.words[0]+=t;for(var e=0;e<this.length&&this.words[e]>=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(r("number"==typeof t),r(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e<this.length&&this.words[e]<0;e++)this.words[e]+=67108864,this.words[e+1]-=1;return this.strip()},a.prototype.addn=function(t){return this.clone().iaddn(t)},a.prototype.subn=function(t){return this.clone().isubn(t)},a.prototype.iabs=function(){return this.negative=0,this},a.prototype.abs=function(){return this.clone().iabs()},a.prototype._ishlnsubmul=function(t,e,n){var i,a,o=t.length+n;this._expand(o);var s=0;for(i=0;i<t.length;i++){a=(0|this.words[i+n])+s;var u=(0|t.words[i])*e;s=((a-=67108863&u)>>26)-(u/67108864|0),this.words[i+n]=67108863&a}for(;i<this.length-n;i++)s=(a=(0|this.words[i+n])+s)>>26,this.words[i+n]=67108863&a;if(0===s)return this.strip();for(r(-1===s),s=0,i=0;i<this.length;i++)s=(a=-(0|this.words[i])+s)>>26,this.words[i]=67108863&a;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var n=(this.length,t.length),r=this.clone(),i=t,o=0|i.words[i.length-1];0!==(n=26-this._countBits(o))&&(i=i.ushln(n),r.iushln(n),o=0|i.words[i.length-1]);var s,u=r.length-i.length;if("mod"!==e){(s=new a(null)).length=u+1,s.words=new Array(s.length);for(var c=0;c<s.length;c++)s.words[c]=0}var f=r.clone()._ishlnsubmul(i,1,u);0===f.negative&&(r=f,s&&(s.words[u]=1));for(var l=u-1;l>=0;l--){var h=67108864*(0|r.words[i.length+l])+(0|r.words[i.length+l-1]);for(h=Math.min(h/o|0,67108863),r._ishlnsubmul(i,h,l);0!==r.negative;)h--,r.negative=0,r._ishlnsubmul(i,1,l),r.isZero()||(r.negative^=1);s&&(s.words[l]=h)}return s&&s.strip(),r.strip(),"div"!==e&&0!==n&&r.iushrn(n),{div:s||null,mod:r}},a.prototype.divmod=function(t,e,n){return r(!t.isZero()),this.isZero()?{div:new a(0),mod:new a(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(i=s.div.neg()),"div"!==e&&(o=s.mod.neg(),n&&0!==o.negative&&o.iadd(t)),{div:i,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(i=s.div.neg()),{div:i,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),n&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e);var i,o,s},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var n=0!==e.div.negative?e.mod.isub(t):e.mod,r=t.ushrn(1),i=t.andln(1),a=n.cmp(r);return a<0||1===i&&0===a?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){r(t<=67108863);for(var e=(1<<26)%t,n=0,i=this.length-1;i>=0;i--)n=(e*n+(0|this.words[i]))%t;return n},a.prototype.idivn=function(t){r(t<=67108863);for(var e=0,n=this.length-1;n>=0;n--){var i=(0|this.words[n])+67108864*e;this.words[n]=i/t|0,e=i%t}return this.strip()},a.prototype.divn=function(t){return 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- */
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n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line 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E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},M={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return this.begin("open_directive"),58;case 1:return this.begin("type_directive"),59;case 2:return this.popState(),this.begin("arg_directive"),14;case 3:return this.popState(),this.popState(),61;case 4:return 60;case 5:return 5;case 6:case 7:case 8:case 9:case 10:break;case 11:return this.begin("ID"),16;case 12:return e.yytext=e.yytext.trim(),this.begin("ALIAS"),48;case 13:return this.popState(),this.popState(),this.begin("LINE"),18;case 14:return this.popState(),this.popState(),5;case 15:return this.begin("LINE"),27;case 16:return this.begin("LINE"),29;case 17:return this.begin("LINE"),30;case 18:return this.begin("LINE"),31;case 19:return this.begin("LINE"),36;case 20:return this.begin("LINE"),33;case 21:return this.begin("LINE"),35;case 22:return this.popState(),19;case 23:return 28;case 24:return 43;case 25:return 44;case 26:return 39;case 27:return 37;case 28:return this.begin("ID"),22;case 29:return this.begin("ID"),23;case 30:return 25;case 31:return 7;case 32:return 21;case 33:return 42;case 34:return 5;case 35:return e.yytext=e.yytext.trim(),48;case 36:return 51;case 37:return 52;case 38:return 49;case 39:return 50;case 40:return 53;case 41:return 54;case 42:return 55;case 43:return 56;case 44:return 57;case 45:return 46;case 46:return 47;case 47:return 5;case 48:return"INVALID"}},rules:[/^(?:%%\{)/i,/^(?:((?:(?!\}%%)[^:.])*))/i,/^(?::)/i,/^(?:\}%%)/i,/^(?:((?:(?!\}%%).|\n)*))/i,/^(?:[\n]+)/i,/^(?:\s+)/i,/^(?:((?!\n)\s)+)/i,/^(?:#[^\n]*)/i,/^(?:%(?!\{)[^\n]*)/i,/^(?:[^\}]%%[^\n]*)/i,/^(?:participant\b)/i,/^(?:[^\->:\n,;]+?(?=((?!\n)\s)+as(?!\n)\s|[#\n;]|$))/i,/^(?:as\b)/i,/^(?:(?:))/i,/^(?:loop\b)/i,/^(?:rect\b)/i,/^(?:opt\b)/i,/^(?:alt\b)/i,/^(?:else\b)/i,/^(?:par\b)/i,/^(?:and\b)/i,/^(?:(?:[:]?(?:no)?wrap)?[^#\n;]*)/i,/^(?:end\b)/i,/^(?:left of\b)/i,/^(?:right of\b)/i,/^(?:over\b)/i,/^(?:note\b)/i,/^(?:activate\b)/i,/^(?:deactivate\b)/i,/^(?:title\b)/i,/^(?:sequenceDiagram\b)/i,/^(?:autonumber\b)/i,/^(?:,)/i,/^(?:;)/i,/^(?:[^\+\->:\n,;]+((?!(-x|--x|-\)|--\)))[\-]*[^\+\->:\n,;]+)*)/i,/^(?:->>)/i,/^(?:-->>)/i,/^(?:->)/i,/^(?:-->)/i,/^(?:-[x])/i,/^(?:--[x])/i,/^(?:-[\)])/i,/^(?:--[\)])/i,/^(?::(?:(?:no)?wrap)?[^#\n;]+)/i,/^(?:\+)/i,/^(?:-)/i,/^(?:$)/i,/^(?:.)/i],conditions:{open_directive:{rules:[1,8],inclusive:!1},type_directive:{rules:[2,3,8],inclusive:!1},arg_directive:{rules:[3,4,8],inclusive:!1},ID:{rules:[7,8,12],inclusive:!1},ALIAS:{rules:[7,8,13,14],inclusive:!1},LINE:{rules:[7,8,22],inclusive:!1},INITIAL:{rules:[0,5,6,8,9,10,11,15,16,17,18,19,20,21,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48],inclusive:!0}}};function O(){this.yy={}}return S.lexer=M,O.prototype=S,S.Parser=O,new O}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){var r=n(198);t.exports={Graph:r.Graph,json:n(301),alg:n(302),version:r.version}},function(t,e,n){var r;try{r={cloneDeep:n(313),constant:n(86),defaults:n(154),each:n(87),filter:n(128),find:n(314),flatten:n(156),forEach:n(126),forIn:n(319),has:n(93),isUndefined:n(139),last:n(320),map:n(140),mapValues:n(321),max:n(322),merge:n(324),min:n(329),minBy:n(330),now:n(331),pick:n(161),range:n(162),reduce:n(142),sortBy:n(338),uniqueId:n(163),values:n(147),zipObject:n(343)}}catch(t){}r||(r=window._),t.exports=r},function(t,e){var n=Array.isArray;t.exports=n},function(t,e,n){
 /**
  * @license
  * Copyright (c) 2012-2013 Chris Pettitt
@@ -28,22 +21,12 @@ var r=n(421),i=n(422),a=n(191);function o(){return u.TYPED_ARRAY_SUPPORT?2147483
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-t.exports={graphlib:n(348),dagre:n(175),intersect:n(405),render:n(407),util:n(15),version:n(419)}},function(t,e){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(t){"object"==typeof window&&(n=window)}t.exports=n},function(t,e,n){var r;try{r={clone:n(237),constant:n(99),each:n(100),filter:n(150),has:n(106),isArray:n(6),isEmpty:n(313),isFunction:n(37),isUndefined:n(161),keys:n(27),map:n(162),reduce:n(164),size:n(316),transform:n(322),union:n(323),values:n(169)}}catch(t){}r||(r=window._),t.exports=r},function(t,e){t.exports=function(t){var e=typeof t;return null!=t&&("object"==e||"function"==e)}},function(t,e,n){var r=n(43);t.exports={isSubgraph:function(t,e){return!!t.children(e).length},edgeToId:function(t){return a(t.v)+":"+a(t.w)+":"+a(t.name)},applyStyle:function(t,e){e&&t.attr("style",e)},applyClass:function(t,e,n){e&&t.attr("class",e).attr("class",n+" "+t.attr("class"))},applyTransition:function(t,e){var n=e.graph();if(r.isPlainObject(n)){var 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t=Ce(ot,this._i);null!=t?this.utcOffset(t):this.utcOffset(0,!0)}return this},on.hasAlignedHourOffset=function(t){return!!this.isValid()&&(t=t?_e(t).utcOffset():0,(this.utcOffset()-t)%60==0)},on.isDST=function(){return this.utcOffset()>this.clone().month(0).utcOffset()||this.utcOffset()>this.clone().month(5).utcOffset()},on.isLocal=function(){return!!this.isValid()&&!this._isUTC},on.isUtcOffset=function(){return!!this.isValid()&&this._isUTC},on.isUtc=Le,on.isUTC=Le,on.zoneAbbr=function(){return this._isUTC?"UTC":""},on.zoneName=function(){return this._isUTC?"Coordinated Universal Time":""},on.dates=S("dates accessor is deprecated. 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s=a.length-1;switch(i){case 6:this.$=a[s-1]+a[s];break;case 7:this.$=a[s];break;case 8:this.$=a[s-2]+"~"+a[s-1]+a[s];break;case 9:this.$=a[s-1]+"~"+a[s];break;case 10:r.addRelation(a[s]);break;case 11:a[s-1].title=r.cleanupLabel(a[s]),r.addRelation(a[s-1]);break;case 16:r.addClass(a[s]);break;case 17:r.addClass(a[s-3]),r.addMembers(a[s-3],a[s-1]);break;case 18:r.addAnnotation(a[s],a[s-2]);break;case 19:this.$=[a[s]];break;case 20:a[s].push(a[s-1]),this.$=a[s];break;case 21:break;case 22:r.addMember(a[s-1],r.cleanupLabel(a[s]));break;case 23:case 24:break;case 25:this.$={id1:a[s-2],id2:a[s],relation:a[s-1],relationTitle1:"none",relationTitle2:"none"};break;case 26:this.$={id1:a[s-3],id2:a[s],relation:a[s-1],relationTitle1:a[s-2],relationTitle2:"none"};break;case 27:this.$={id1:a[s-3],id2:a[s],relation:a[s-2],relationTitle1:"none",relationTitle2:a[s-1]};break;case 28:this.$={id1:a[s-4],id2:a[s],relation:a[s-2],relationTitle1:a[s-3],relationTitle2:a[s-1]};break;case 29:this.$={type1:a[s-2],type2:a[s],lineType:a[s-1]};break;case 30:this.$={type1:"none",type2:a[s],lineType:a[s-1]};break;case 31:this.$={type1:a[s-1],type2:"none",lineType:a[s]};break;case 32:this.$={type1:"none",type2:"none",lineType:a[s]};break;case 33:this.$=r.relationType.AGGREGATION;break;case 34:this.$=r.relationType.EXTENSION;break;case 35:this.$=r.relationType.COMPOSITION;break;case 36:this.$=r.relationType.DEPENDENCY;break;case 37:this.$=r.lineType.LINE;break;case 38:this.$=r.lineType.DOTTED_LINE;break;case 39:this.$=a[s-2],r.setClickEvent(a[s-1],a[s],void 0);break;case 40:this.$=a[s-3],r.setClickEvent(a[s-2],a[s-1],a[s]);break;case 41:this.$=a[s-2],r.setLink(a[s-1],a[s],void 0);break;case 42:this.$=a[s-3],r.setLink(a[s-2],a[s-1],a[s])}},table:[{3:1,4:2,5:[1,3]},{1:[3]},{1:[2,1]},{6:[1,4]},{7:5,9:6,10:12,11:19,13:7,15:8,16:9,17:10,18:11,19:e,23:n,25:r,26:i,37:a,38:o,52:s,53:u,54:c},{8:[1,23]},{6:[1,24],8:[2,3]},t(f,[2,10],{14:[1,25]}),t(f,[2,12]),t(f,[2,13]),t(f,[2,14]),t(f,[2,15]),t(f,[2,21],{27:26,29:29,30:30,14:[1,28],28:[1,27],31:l,32:h,33:d,34:p,35:g,36:y}),{10:37,11:19,52:s,53:u,54:c},t(f,[2,23]),t(f,[2,24]),{11:38,52:s,53:u,54:c},{10:39,11:19,52:s,53:u,54:c},{10:40,11:19,52:s,53:u,54:c},t(b,[2,7],{11:19,10:41,12:[1,42],52:s,53:u,54:c}),t(v,[2,56]),t(v,[2,57]),t(v,[2,58]),{1:[2,2]},{7:43,8:[2,4],9:6,10:12,11:19,13:7,15:8,16:9,17:10,18:11,19:e,23:n,25:r,26:i,37:a,38:o,52:s,53:u,54:c},t(f,[2,11]),{10:44,11:19,28:[1,45],52:s,53:u,54:c},{27:46,29:29,30:30,31:l,32:h,33:d,34:p,35:g,36:y},t(f,[2,22]),{30:47,35:g,36:y},t(m,[2,32],{29:48,31:l,32:h,33:d,34:p}),t(_,[2,33]),t(_,[2,34]),t(_,[2,35]),t(_,[2,36]),t(w,[2,37]),t(w,[2,38]),t(f,[2,16],{20:[1,49]}),{24:[1,50]},{28:[1,51]},{28:[1,52]},t(b,[2,6]),t(b,[2,9],{11:19,10:53,52:s,53:u,54:c}),{8:[2,5]},t(x,[2,25]),{10:54,11:19,52:s,53:u,54:c},{10:55,11:19,28:[1,56],52:s,53:u,54:c},t(m,[2,31],{29:57,31:l,32:h,33:d,34:p}),t(m,[2,30]),{21:58,25:k},{10:60,11:19,52:s,53:u,54:c},t(f,[2,39],{28:[1,61]}),t(f,[2,41],{28:[1,62]}),t(b,[2,8]),t(x,[2,27]),t(x,[2,26]),{10:63,11:19,52:s,53:u,54:c},t(m,[2,29]),{22:[1,64]},{21:65,22:[2,19],25:k},t(f,[2,18]),t(f,[2,40]),t(f,[2,42]),t(x,[2,28]),t(f,[2,17]),{22:[2,20]}],defaultActions:{2:[2,1],23:[2,2],43:[2,5],65:[2,20]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",u=0,c=0,f=0,l=2,h=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var b=p.yylloc;a.push(b);var v=p.options&&p.options.ranges;function m(){var t;return"number"!=typeof(t=r.pop()||p.lex()||h)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var _,w,x,k,E,A,S,M,T,D={};;){if(x=n[n.length-1],this.defaultActions[x]?k=this.defaultActions[x]:(null==_&&(_=m()),k=o[x]&&o[x][_]),void 0===k||!k.length||!k[0]){var C="";for(A in T=[],o[x])this.terminals_[A]&&A>l&&T.push("'"+this.terminals_[A]+"'");C=p.showPosition?"Parse error on line "+(u+1)+":\n"+p.showPosition()+"\nExpecting "+T.join(", ")+", got '"+(this.terminals_[_]||_)+"'":"Parse error on line "+(u+1)+": Unexpected "+(_==h?"end of input":"'"+(this.terminals_[_]||_)+"'"),this.parseError(C,{text:p.match,token:this.terminals_[_]||_,line:p.yylineno,loc:b,expected:T})}if(k[0]instanceof Array&&k.length>1)throw new Error("Parse Error: multiple actions possible at state: "+x+", token: "+_);switch(k[0]){case 1:n.push(_),i.push(p.yytext),a.push(p.yylloc),n.push(k[1]),_=null,w?(_=w,w=null):(c=p.yyleng,s=p.yytext,u=p.yylineno,b=p.yylloc,f>0&&f--);break;case 2:if(S=this.productions_[k[1]][1],D.$=i[i.length-S],D._$={first_line:a[a.length-(S||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(S||1)].first_column,last_column:a[a.length-1].last_column},v&&(D._$.range=[a[a.length-(S||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(D,[s,c,u,g.yy,k[1],i,a].concat(d))))return E;S&&(n=n.slice(0,-1*S*2),i=i.slice(0,-1*S),a=a.slice(0,-1*S)),n.push(this.productions_[k[1]][0]),i.push(D.$),a.push(D._$),M=o[n[n.length-2]][n[n.length-1]],n.push(M);break;case 3:return!0}}return!0}},A={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(t,e,n,r){switch(n){case 0:break;case 1:return 6;case 2:break;case 3:return 5;case 4:return this.begin("struct"),20;case 5:return"EOF_IN_STRUCT";case 6:return"OPEN_IN_STRUCT";case 7:return this.popState(),22;case 8:break;case 9:return"MEMBER";case 10:return 19;case 11:return 37;case 12:return 38;case 13:return 23;case 14:return 24;case 15:this.begin("generic");break;case 16:this.popState();break;case 17:return"GENERICTYPE";case 18:this.begin("string");break;case 19:this.popState();break;case 20:return"STR";case 21:case 22:return 32;case 23:case 24:return 34;case 25:return 33;case 26:return 31;case 27:return 35;case 28:return 36;case 29:return 14;case 30:return 50;case 31:return"DOT";case 32:return"PLUS";case 33:return 47;case 34:case 35:return"EQUALS";case 36:return 54;case 37:return"PUNCTUATION";case 38:return 53;case 39:return 52;case 40:return 49;case 41:return 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u=r.destructLink(a[s],a[s-2]);this.$={type:u.type,stroke:u.stroke,text:a[s-1]};break;case 64:u=r.destructLink(a[s]);this.$={type:u.type,stroke:u.stroke};break;case 65:this.$=a[s-1];break;case 67:case 81:case 127:this.$=a[s-1]+""+a[s];break;case 82:case 83:this.$=a[s-4],r.addClass(a[s-2],a[s]);break;case 84:this.$=a[s-4],r.setClass(a[s-2],a[s]);break;case 85:this.$=a[s-4],r.setClickEvent(a[s-2],a[s],void 0);break;case 86:this.$=a[s-6],r.setClickEvent(a[s-4],a[s-2],a[s]);break;case 87:this.$=a[s-4],r.setLink(a[s-2],a[s],void 0);break;case 88:this.$=a[s-6],r.setLink(a[s-4],a[s-2],a[s]);break;case 89:this.$=a[s-4],r.addVertex(a[s-2],void 0,void 0,a[s]);break;case 90:case 92:this.$=a[s-4],r.updateLink(a[s-2],a[s]);break;case 91:this.$=a[s-4],r.updateLink([a[s-2]],a[s]);break;case 93:this.$=a[s-8],r.updateLinkInterpolate([a[s-6]],a[s-2]),r.updateLink([a[s-6]],a[s]);break;case 94:this.$=a[s-8],r.updateLinkInterpolate(a[s-6],a[s-2]),r.updateLink(a[s-6],a[s]);break;case 95:this.$=a[s-6],r.updateLinkInterpolate([a[s-4]],a[s]);break;case 96:this.$=a[s-6],r.updateLinkInterpolate(a[s-4],a[s]);break;case 97:case 99:this.$=[a[s]];break;case 98:case 100:a[s-2].push(a[s]),this.$=a[s-2];break;case 102:this.$=a[s-1]+a[s];break;case 124:this.$=a[s];break;case 125:this.$=a[s-1]+""+a[s];break;case 130:this.$="v";break;case 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n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",u=0,c=0,f=0,l=2,h=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var b=p.yylloc;a.push(b);var v=p.options&&p.options.ranges;function m(){var t;return"number"!=typeof(t=r.pop()||p.lex()||h)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var _,w,x,k,E,A,S,M,T,D={};;){if(x=n[n.length-1],this.defaultActions[x]?k=this.defaultActions[x]:(null==_&&(_=m()),k=o[x]&&o[x][_]),void 0===k||!k.length||!k[0]){var C="";for(A in T=[],o[x])this.terminals_[A]&&A>l&&T.push("'"+this.terminals_[A]+"'");C=p.showPosition?"Parse error on line 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E;S&&(n=n.slice(0,-1*S*2),i=i.slice(0,-1*S),a=a.slice(0,-1*S)),n.push(this.productions_[k[1]][0]),i.push(D.$),a.push(D._$),M=o[n[n.length-2]][n[n.length-1]],n.push(M);break;case 3:return!0}}return!0}},Vt={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(t,e,n,r){switch(n){case 0:break;case 1:this.begin("string");break;case 2:this.popState();break;case 3:return"STR";case 4:return 61;case 5:return 70;case 6:return 62;case 7:return 75;case 8:return 63;case 9:return 64;case 10:return 65;case 11:return t.lex.firstGraph()&&this.begin("dir"),12;case 12:return 26;case 13:return 30;case 14:case 15:case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:return this.popState(),13;case 24:return 76;case 25:return 84;case 26:return 35;case 27:return 81;case 28:return 34;case 29:return 8;case 30:return 77;case 31:return 95;case 32:case 33:case 34:case 35:case 36:case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:case 47:case 48:case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:case 58:case 59:return 56;case 60:case 61:case 62:case 63:case 64:case 65:case 66:case 67:case 68:case 69:case 70:case 71:return 55;case 72:return 39;case 73:return 40;case 74:return 41;case 75:return 42;case 76:return 43;case 77:return 44;case 78:return 82;case 79:return 85;case 80:return 96;case 81:return 93;case 82:return 86;case 83:case 84:return 94;case 85:return 87;case 86:return 47;case 87:return 67;case 88:return"SEP";case 89:return 66;case 90:return 80;case 91:return 49;case 92:return 48;case 93:return 51;case 94:return 50;case 95:return 91;case 96:return 92;case 97:return 57;case 98:return 37;case 99:return 38;case 100:return 28;case 101:return 29;case 102:return 45;case 103:return 46;case 104:return 102;case 105:return 9;case 106:return 10;case 107:return 11}},rules:[/^(?:%%[^\n]*\n*)/,/^(?:["])/,/^(?:["])/,/^(?:[^"]*)/,/^(?:style\b)/,/^(?:default\b)/,/^(?:linkStyle\b)/,/^(?:interpolate\b)/,/^(?:classDef\b)/,/^(?:class\b)/,/^(?:click\b)/,/^(?:graph\b)/,/^(?:subgraph\b)/,/^(?:end\b\s*)/,/^(?:\s*LR\b)/,/^(?:\s*RL\b)/,/^(?:\s*TB\b)/,/^(?:\s*BT\b)/,/^(?:\s*TD\b)/,/^(?:\s*BR\b)/,/^(?:\s*<)/,/^(?:\s*>)/,/^(?:\s*\^)/,/^(?:\s*v\b)/,/^(?:[0-9]+)/,/^(?:#)/,/^(?::::)/,/^(?::)/,/^(?:&)/,/^(?:;)/,/^(?:,)/,/^(?:\*)/,/^(?:\s*--[x]\s*)/,/^(?:\s*-->\s*)/,/^(?:\s*<-->\s*)/,/^(?:\s*[x]--[x]\s*)/,/^(?:\s*[o]--[o]\s*)/,/^(?:\s*[o]\.-[o]\s*)/,/^(?:\s*<==>\s*)/,/^(?:\s*[o]==[o]\s*)/,/^(?:\s*[x]==[x]\s*)/,/^(?:\s*[x].-[x]\s*)/,/^(?:\s*[x]-\.-[x]\s*)/,/^(?:\s*<\.->\s*)/,/^(?:\s*<-\.->\s*)/,/^(?:\s*[o]-\.-[o]\s*)/,/^(?:\s*--[o]\s*)/,/^(?:\s*---\s*)/,/^(?:\s*-\.-[x]\s*)/,/^(?:\s*-\.->\s*)/,/^(?:\s*-\.-[o]\s*)/,/^(?:\s*-\.-\s*)/,/^(?:\s*.-[x]\s*)/,/^(?:\s*\.->\s*)/,/^(?:\s*\.-[o]\s*)/,/^(?:\s*\.-\s*)/,/^(?:\s*==[x]\s*)/,/^(?:\s*==>\s*)/,/^(?:\s*==[o]\s*)/,/^(?:\s*==[\=]\s*)/,/^(?:\s*<--\s*)/,/^(?:\s*[x]--\s*)/,/^(?:\s*[o]--\s*)/,/^(?:\s*<-\.\s*)/,/^(?:\s*[x]-\.\s*)/,/^(?:\s*[o]-\.\s*)/,/^(?:\s*<==\s*)/,/^(?:\s*[x]==\s*)/,/^(?:\s*[o]==\s*)/,/^(?:\s*--\s*)/,/^(?:\s*-\.\s*)/,/^(?:\s*==\s*)/,/^(?:\(-)/,/^(?:-\))/,/^(?:\(\[)/,/^(?:\]\))/,/^(?:\[\()/,/^(?:\)\])/,/^(?:-)/,/^(?:\.)/,/^(?:[\_])/,/^(?:\+)/,/^(?:%)/,/^(?:=)/,/^(?:=)/,/^(?:<)/,/^(?:>)/,/^(?:\^)/,/^(?:\\\|)/,/^(?:v\b)/,/^(?:[A-Za-z]+)/,/^(?:\\\])/,/^(?:\[\/)/,/^(?:\/\])/,/^(?:\[\\)/,/^(?:[!"#$%&'*+,-.`?\\_/])/,/^(?:[\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6]|[\u00F8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377]|[\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5]|[\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA]|[\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE]|[\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA]|[\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0]|[\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977]|[\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2]|[\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A]|[\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39]|[\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8]|[\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C]|[\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C]|[\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99]|[\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0]|[\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D]|[\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3]|[\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10]|[\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1]|[\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81]|[\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3]|[\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6]|[\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A]|[\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081]|[\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D]|[\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0]|[\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310]|[\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C]|[\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u1700-\u170C\u170E-\u1711]|[\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7]|[\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C]|[\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16]|[\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF]|[\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC]|[\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D]|[\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D]|[\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3]|[\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F]|[\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128]|[\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184]|[\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3]|[\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6]|[\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE]|[\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C]|[\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D]|[\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC]|[\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B]|[\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788]|[\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805]|[\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB]|[\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28]|[\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5]|[\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4]|[\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E]|[\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D]|[\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36]|[\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D]|[\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC]|[\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF]|[\uFFD2-\uFFD7\uFFDA-\uFFDC])/,/^(?:\|)/,/^(?:\()/,/^(?:\))/,/^(?:\[)/,/^(?:\])/,/^(?:\{)/,/^(?:\})/,/^(?:")/,/^(?:(\r|\n|\r\n)+)/,/^(?:\s)/,/^(?:$)/],conditions:{vertex:{rules:[],inclusive:!1},dir:{rules:[14,15,16,17,18,19,20,21,22,23],inclusive:!1},string:{rules:[2,3],inclusive:!1},INITIAL:{rules:[0,1,4,5,6,7,8,9,10,11,12,13,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107],inclusive:!0}}};function Ht(){this.yy={}}return Yt.lexer=Vt,Ht.prototype=Yt,Yt.Parser=Ht,new Ht}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(28).readFileSync(n(29).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(7),n(9)(t))},function(t,e,n){var r=n(62),i=n(243),a=n(244),o=n(245),s=n(246),u=n(247);function c(t){var e=this.__data__=new r(t);this.size=e.size}c.prototype.clear=i,c.prototype.delete=a,c.prototype.get=o,c.prototype.has=s,c.prototype.set=u,t.exports=c},function(t,e,n){var r=n(238),i=n(239),a=n(240),o=n(241),s=n(242);function u(t){var e=-1,n=null==t?0:t.length;for(this.clear();++e<n;){var r=t[e];this.set(r[0],r[1])}}u.prototype.clear=r,u.prototype.delete=i,u.prototype.get=a,u.prototype.has=o,u.prototype.set=s,t.exports=u},function(t,e,n){var r=n(36);t.exports=function(t,e){for(var n=t.length;n--;)if(r(t[n][0],e))return 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f=t[o],l=t[f],h=t[l],d=257*t[c]^16843008*c;i[0][o]=d<<24|d>>>8,i[1][o]=d<<16|d>>>16,i[2][o]=d<<8|d>>>24,i[3][o]=d,d=16843009*h^65537*l^257*f^16843008*o,a[0][c]=d<<24|d>>>8,a[1][c]=d<<16|d>>>16,a[2][c]=d<<8|d>>>24,a[3][c]=d,0===o?o=s=1:(o=f^t[t[t[h^f]]],s^=t[t[s]])}return{SBOX:n,INV_SBOX:r,SUB_MIX:i,INV_SUB_MIX:a}}();function c(t){this._key=i(t),this._reset()}c.blockSize=16,c.keySize=32,c.prototype.blockSize=c.blockSize,c.prototype.keySize=c.keySize,c.prototype._reset=function(){for(var t=this._key,e=t.length,n=e+6,r=4*(n+1),i=[],a=0;a<e;a++)i[a]=t[a];for(a=e;a<r;a++){var o=i[a-1];a%e==0?(o=o<<8|o>>>24,o=u.SBOX[o>>>24]<<24|u.SBOX[o>>>16&255]<<16|u.SBOX[o>>>8&255]<<8|u.SBOX[255&o],o^=s[a/e|0]<<24):e>6&&a%e==4&&(o=u.SBOX[o>>>24]<<24|u.SBOX[o>>>16&255]<<16|u.SBOX[o>>>8&255]<<8|u.SBOX[255&o]),i[a]=i[a-e]^o}for(var c=[],f=0;f<r;f++){var l=r-f,h=i[l-(f%4?0:4)];c[f]=f<4||l<=4?h:u.INV_SUB_MIX[0][u.SBOX[h>>>24]]^u.INV_SUB_MIX[1][u.SBOX[h>>>16&255]]^u.INV_SUB_MIX[2][u.SBOX[h>>>8&255]]^u.INV_SUB_MIX[3][u.SBOX[255&h]]}this._nRounds=n,this._keySchedule=i,this._invKeySchedule=c},c.prototype.encryptBlockRaw=function(t){return o(t=i(t),this._keySchedule,u.SUB_MIX,u.SBOX,this._nRounds)},c.prototype.encryptBlock=function(t){var e=this.encryptBlockRaw(t),n=r.allocUnsafe(16);return n.writeUInt32BE(e[0],0),n.writeUInt32BE(e[1],4),n.writeUInt32BE(e[2],8),n.writeUInt32BE(e[3],12),n},c.prototype.decryptBlock=function(t){var e=(t=i(t))[1];t[1]=t[3],t[3]=e;var n=o(t,this._invKeySchedule,u.INV_SUB_MIX,u.INV_SBOX,this._nRounds),a=r.allocUnsafe(16);return a.writeUInt32BE(n[0],0),a.writeUInt32BE(n[3],4),a.writeUInt32BE(n[2],8),a.writeUInt32BE(n[1],12),a},c.prototype.scrub=function(){a(this._keySchedule),a(this._invKeySchedule),a(this._key)},t.exports.AES=c},function(t,e,n){var r=n(3).Buffer,i=n(111);t.exports=function(t,e,n,a){if(r.isBuffer(t)||(t=r.from(t,"binary")),e&&(r.isBuffer(e)||(e=r.from(e,"binary")),8!==e.length))throw new RangeError("salt should be Buffer with 8 byte length");for(var o=n/8,s=r.alloc(o),u=r.alloc(a||0),c=r.alloc(0);o>0||a>0;){var f=new i;f.update(c),f.update(t),e&&f.update(e),c=f.digest();var l=0;if(o>0){var h=s.length-o;l=Math.min(o,c.length),c.copy(s,h,0,l),o-=l}if(l<c.length&&a>0){var d=u.length-a,p=Math.min(a,c.length-l);c.copy(u,d,l,l+p),a-=p}}return c.fill(0),{key:s,iv:u}}},function(t,e,n){"use strict";var r=n(5),i=n(17),a=i.getNAF,o=i.getJSF,s=i.assert;function u(t,e){this.type=t,this.p=new r(e.p,16),this.red=e.prime?r.red(e.prime):r.mont(this.p),this.zero=new r(0).toRed(this.red),this.one=new r(1).toRed(this.red),this.two=new r(2).toRed(this.red),this.n=e.n&&new r(e.n,16),this.g=e.g&&this.pointFromJSON(e.g,e.gRed),this._wnafT1=new Array(4),this._wnafT2=new Array(4),this._wnafT3=new Array(4),this._wnafT4=new Array(4),this._bitLength=this.n?this.n.bitLength():0;var n=this.n&&this.p.div(this.n);!n||n.cmpn(100)>0?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function c(t,e){this.curve=t,this.type=e,this.precomputed=null}t.exports=u,u.prototype.point=function(){throw new Error("Not implemented")},u.prototype.validate=function(){throw new Error("Not implemented")},u.prototype._fixedNafMul=function(t,e){s(t.precomputed);var n=t._getDoubles(),r=a(e,1,this._bitLength),i=(1<<n.step+1)-(n.step%2==0?2:1);i/=3;for(var o=[],u=0;u<r.length;u+=n.step){var c=0;for(e=u+n.step-1;e>=u;e--)c=(c<<1)+r[e];o.push(c)}for(var f=this.jpoint(null,null,null),l=this.jpoint(null,null,null),h=i;h>0;h--){for(u=0;u<o.length;u++){(c=o[u])===h?l=l.mixedAdd(n.points[u]):c===-h&&(l=l.mixedAdd(n.points[u].neg()))}f=f.add(l)}return f.toP()},u.prototype._wnafMul=function(t,e){var n=4,r=t._getNAFPoints(n);n=r.wnd;for(var i=r.points,o=a(e,n,this._bitLength),u=this.jpoint(null,null,null),c=o.length-1;c>=0;c--){for(e=0;c>=0&&0===o[c];c--)e++;if(c>=0&&e++,u=u.dblp(e),c<0)break;var f=o[c];s(0!==f),u="affine"===t.type?f>0?u.mixedAdd(i[f-1>>1]):u.mixedAdd(i[-f-1>>1].neg()):f>0?u.add(i[f-1>>1]):u.add(i[-f-1>>1].neg())}return"affine"===t.type?u.toP():u},u.prototype._wnafMulAdd=function(t,e,n,r,i){for(var s=this._wnafT1,u=this._wnafT2,c=this._wnafT3,f=0,l=0;l<r;l++){var h=(A=e[l])._getNAFPoints(t);s[l]=h.wnd,u[l]=h.points}for(l=r-1;l>=1;l-=2){var d=l-1,p=l;if(1===s[d]&&1===s[p]){var g=[e[d],null,null,e[p]];0===e[d].y.cmp(e[p].y)?(g[1]=e[d].add(e[p]),g[2]=e[d].toJ().mixedAdd(e[p].neg())):0===e[d].y.cmp(e[p].y.redNeg())?(g[1]=e[d].toJ().mixedAdd(e[p]),g[2]=e[d].add(e[p].neg())):(g[1]=e[d].toJ().mixedAdd(e[p]),g[2]=e[d].toJ().mixedAdd(e[p].neg()));var y=[-3,-1,-5,-7,0,7,5,1,3],b=o(n[d],n[p]);f=Math.max(b[0].length,f),c[d]=new Array(f),c[p]=new Array(f);for(var v=0;v<f;v++){var m=0|b[0][v],_=0|b[1][v];c[d][v]=y[3*(m+1)+(_+1)],c[p][v]=0,u[d]=g}}else c[d]=a(n[d],s[d],this._bitLength),c[p]=a(n[p],s[p],this._bitLength),f=Math.max(c[d].length,f),f=Math.max(c[p].length,f)}var w=this.jpoint(null,null,null),x=this._wnafT4;for(l=f;l>=0;l--){for(var k=0;l>=0;){var E=!0;for(v=0;v<r;v++)x[v]=0|c[v][l],0!==x[v]&&(E=!1);if(!E)break;k++,l--}if(l>=0&&k++,w=w.dblp(k),l<0)break;for(v=0;v<r;v++){var A,S=x[v];0!==S&&(S>0?A=u[v][S-1>>1]:S<0&&(A=u[v][-S-1>>1].neg()),w="affine"===A.type?w.mixedAdd(A):w.add(A))}}for(l=0;l<r;l++)u[l]=null;return i?w:w.toP()},u.BasePoint=c,c.prototype.eq=function(){throw new Error("Not implemented")},c.prototype.validate=function(){return this.curve.validate(this)},u.prototype.decodePoint=function(t,e){t=i.toArray(t,e);var n=this.p.byteLength();if((4===t[0]||6===t[0]||7===t[0])&&t.length-1==2*n)return 6===t[0]?s(t[t.length-1]%2==0):7===t[0]&&s(t[t.length-1]%2==1),this.point(t.slice(1,1+n),t.slice(1+n,1+2*n));if((2===t[0]||3===t[0])&&t.length-1===n)return this.pointFromX(t.slice(1,1+n),3===t[0]);throw new Error("Unknown point format")},c.prototype.encodeCompressed=function(t){return this.encode(t,!0)},c.prototype._encode=function(t){var e=this.curve.p.byteLength(),n=this.getX().toArray("be",e);return t?[this.getY().isEven()?2:3].concat(n):[4].concat(n,this.getY().toArray("be",e))},c.prototype.encode=function(t,e){return i.encode(this._encode(e),t)},c.prototype.precompute=function(t){if(this.precomputed)return this;var e={doubles:null,naf:null,beta:null};return e.naf=this._getNAFPoints(8),e.doubles=this._getDoubles(4,t),e.beta=this._getBeta(),this.precomputed=e,this},c.prototype._hasDoubles=function(t){if(!this.precomputed)return!1;var e=this.precomputed.doubles;return!!e&&e.points.length>=Math.ceil((t.bitLength()+1)/e.step)},c.prototype._getDoubles=function(t,e){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var n=[this],r=this,i=0;i<e;i+=t){for(var a=0;a<t;a++)r=r.dbl();n.push(r)}return{step:t,points:n}},c.prototype._getNAFPoints=function(t){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var e=[this],n=(1<<t)-1,r=1===n?null:this.dbl(),i=1;i<n;i++)e[i]=e[i-1].add(r);return{wnd:t,points:e}},c.prototype._getBeta=function(){return null},c.prototype.dblp=function(t){for(var e=this,n=0;n<t;n++)e=e.dbl();return e}},function(t,e,n){var r=n(481),i=n(492),a=n(493),o=n(121),s=n(202),u=n(3).Buffer;function c(t){var e;"object"!=typeof t||u.isBuffer(t)||(e=t.passphrase,t=t.key),"string"==typeof t&&(t=u.from(t));var n,c,f=a(t,e),l=f.tag,h=f.data;switch(l){case"CERTIFICATE":c=r.certificate.decode(h,"der").tbsCertificate.subjectPublicKeyInfo;case"PUBLIC KEY":switch(c||(c=r.PublicKey.decode(h,"der")),n=c.algorithm.algorithm.join(".")){case"1.2.840.113549.1.1.1":return r.RSAPublicKey.decode(c.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":return c.subjectPrivateKey=c.subjectPublicKey,{type:"ec",data:c};case"1.2.840.10040.4.1":return c.algorithm.params.pub_key=r.DSAparam.decode(c.subjectPublicKey.data,"der"),{type:"dsa",data:c.algorithm.params};default:throw new Error("unknown key id "+n)}throw new Error("unknown key type "+l);case"ENCRYPTED PRIVATE KEY":h=function(t,e){var n=t.algorithm.decrypt.kde.kdeparams.salt,r=parseInt(t.algorithm.decrypt.kde.kdeparams.iters.toString(),10),a=i[t.algorithm.decrypt.cipher.algo.join(".")],c=t.algorithm.decrypt.cipher.iv,f=t.subjectPrivateKey,l=parseInt(a.split("-")[1],10)/8,h=s.pbkdf2Sync(e,n,r,l,"sha1"),d=o.createDecipheriv(a,h,c),p=[];return p.push(d.update(f)),p.push(d.final()),u.concat(p)}(h=r.EncryptedPrivateKey.decode(h,"der"),e);case"PRIVATE 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e.toString=function(){return this.map((function(e){var n=function(t,e){var n=t[1]||"",r=t[3];if(!r)return n;if(e&&"function"==typeof btoa){var i=(o=r,"/*# sourceMappingURL=data:application/json;charset=utf-8;base64,"+btoa(unescape(encodeURIComponent(JSON.stringify(o))))+" */"),a=r.sources.map((function(t){return"/*# sourceURL="+r.sourceRoot+t+" */"}));return[n].concat(a).concat([i]).join("\n")}var o;return[n].join("\n")}(e,t);return e[2]?"@media "+e[2]+"{"+n+"}":n})).join("")},e.i=function(t,n){"string"==typeof t&&(t=[[null,t,""]]);for(var r={},i=0;i<this.length;i++){var a=this[i][0];null!=a&&(r[a]=!0)}for(i=0;i<t.length;i++){var o=t[i];null!=o[0]&&r[o[0]]||(n&&!o[2]?o[2]=n:n&&(o[2]="("+o[2]+") and ("+n+")"),e.push(o))}},e}},function(t,e,n){"use strict";var r=/^(%20|\s)*(javascript|data)/im,i=/[^\x20-\x7E]/gim,a=/^([^:]+):/gm,o=[".","/"];t.exports={sanitizeUrl:function(t){if(!t)return"about:blank";var e,n,s=t.replace(i,"").trim();return function(t){return o.indexOf(t[0])>-1}(s)?s:(n=s.match(a))?(e=n[0],r.test(e)?"about:blank":s):"about:blank"}}},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[2,3],n=[1,7],r=[7,12,15,17,19,20,21],i=[7,11,12,15,17,19,20,21],a=[2,20],o=[1,32],s={trace:function(){},yy:{},symbols_:{error:2,start:3,GG:4,":":5,document:6,EOF:7,DIR:8,options:9,body:10,OPT:11,NL:12,line:13,statement:14,COMMIT:15,commit_arg:16,BRANCH:17,ID:18,CHECKOUT:19,MERGE:20,RESET:21,reset_arg:22,STR:23,HEAD:24,reset_parents:25,CARET:26,$accept:0,$end:1},terminals_:{2:"error",4:"GG",5:":",7:"EOF",8:"DIR",11:"OPT",12:"NL",15:"COMMIT",17:"BRANCH",18:"ID",19:"CHECKOUT",20:"MERGE",21:"RESET",23:"STR",24:"HEAD",26:"CARET"},productions_:[0,[3,4],[3,5],[6,0],[6,2],[9,2],[9,1],[10,0],[10,2],[13,2],[13,1],[14,2],[14,2],[14,2],[14,2],[14,2],[16,0],[16,1],[22,2],[22,2],[25,0],[25,2]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 1:return a[s-1];case 2:return r.setDirection(a[s-3]),a[s-1];case 4:r.setOptions(a[s-1]),this.$=a[s];break;case 5:a[s-1]+=a[s],this.$=a[s-1];break;case 7:this.$=[];break;case 8:a[s-1].push(a[s]),this.$=a[s-1];break;case 9:this.$=a[s-1];break;case 11:r.commit(a[s]);break;case 12:r.branch(a[s]);break;case 13:r.checkout(a[s]);break;case 14:r.merge(a[s]);break;case 15:r.reset(a[s]);break;case 16:this.$="";break;case 17:this.$=a[s];break;case 18:this.$=a[s-1]+":"+a[s];break;case 19:this.$=a[s-1]+":"+r.count,r.count=0;break;case 20:r.count=0;break;case 21:r.count+=1}},table:[{3:1,4:[1,2]},{1:[3]},{5:[1,3],8:[1,4]},{6:5,7:e,9:6,12:n},{5:[1,8]},{7:[1,9]},t(r,[2,7],{10:10,11:[1,11]}),t(i,[2,6]),{6:12,7:e,9:6,12:n},{1:[2,1]},{7:[2,4],12:[1,15],13:13,14:14,15:[1,16],17:[1,17],19:[1,18],20:[1,19],21:[1,20]},t(i,[2,5]),{7:[1,21]},t(r,[2,8]),{12:[1,22]},t(r,[2,10]),{12:[2,16],16:23,23:[1,24]},{18:[1,25]},{18:[1,26]},{18:[1,27]},{18:[1,30],22:28,24:[1,29]},{1:[2,2]},t(r,[2,9]),{12:[2,11]},{12:[2,17]},{12:[2,12]},{12:[2,13]},{12:[2,14]},{12:[2,15]},{12:a,25:31,26:o},{12:a,25:33,26:o},{12:[2,18]},{12:a,25:34,26:o},{12:[2,19]},{12:[2,21]}],defaultActions:{9:[2,1],21:[2,2],23:[2,11],24:[2,17],25:[2,12],26:[2,13],27:[2,14],28:[2,15],31:[2,18],33:[2,19],34:[2,21]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",u=0,c=0,f=0,l=2,h=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var b=p.yylloc;a.push(b);var v=p.options&&p.options.ranges;function m(){var t;return"number"!=typeof(t=r.pop()||p.lex()||h)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var _,w,x,k,E,A,S,M,T,D={};;){if(x=n[n.length-1],this.defaultActions[x]?k=this.defaultActions[x]:(null==_&&(_=m()),k=o[x]&&o[x][_]),void 0===k||!k.length||!k[0]){var C="";for(A in T=[],o[x])this.terminals_[A]&&A>l&&T.push("'"+this.terminals_[A]+"'");C=p.showPosition?"Parse error on line "+(u+1)+":\n"+p.showPosition()+"\nExpecting "+T.join(", ")+", got '"+(this.terminals_[_]||_)+"'":"Parse error on line "+(u+1)+": Unexpected "+(_==h?"end of input":"'"+(this.terminals_[_]||_)+"'"),this.parseError(C,{text:p.match,token:this.terminals_[_]||_,line:p.yylineno,loc:b,expected:T})}if(k[0]instanceof Array&&k.length>1)throw new Error("Parse Error: multiple actions possible at state: "+x+", token: "+_);switch(k[0]){case 1:n.push(_),i.push(p.yytext),a.push(p.yylloc),n.push(k[1]),_=null,w?(_=w,w=null):(c=p.yyleng,s=p.yytext,u=p.yylineno,b=p.yylloc,f>0&&f--);break;case 2:if(S=this.productions_[k[1]][1],D.$=i[i.length-S],D._$={first_line:a[a.length-(S||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(S||1)].first_column,last_column:a[a.length-1].last_column},v&&(D._$.range=[a[a.length-(S||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(D,[s,c,u,g.yy,k[1],i,a].concat(d))))return E;S&&(n=n.slice(0,-1*S*2),i=i.slice(0,-1*S),a=a.slice(0,-1*S)),n.push(this.productions_[k[1]][0]),i.push(D.$),a.push(D._$),M=o[n[n.length-2]][n[n.length-1]],n.push(M);break;case 3:return!0}}return!0}},u={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return 12;case 1:case 2:case 3:break;case 4:return 4;case 5:return 15;case 6:return 17;case 7:return 20;case 8:return 21;case 9:return 19;case 10:case 11:return 8;case 12:return 5;case 13:return 26;case 14:this.begin("options");break;case 15:this.popState();break;case 16:return 11;case 17:this.begin("string");break;case 18:this.popState();break;case 19:return 23;case 20:return 18;case 21:return 7}},rules:[/^(?:(\r?\n)+)/i,/^(?:\s+)/i,/^(?:#[^\n]*)/i,/^(?:%[^\n]*)/i,/^(?:gitGraph\b)/i,/^(?:commit\b)/i,/^(?:branch\b)/i,/^(?:merge\b)/i,/^(?:reset\b)/i,/^(?:checkout\b)/i,/^(?:LR\b)/i,/^(?:BT\b)/i,/^(?::)/i,/^(?:\^)/i,/^(?:options\r?\n)/i,/^(?:end\r?\n)/i,/^(?:[^\n]+\r?\n)/i,/^(?:["])/i,/^(?:["])/i,/^(?:[^"]*)/i,/^(?:[a-zA-Z][a-zA-Z0-9_]+)/i,/^(?:$)/i],conditions:{options:{rules:[15,16],inclusive:!1},string:{rules:[18,19],inclusive:!1},INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,17,20,21],inclusive:!0}}};function c(){this.yy={}}return s.lexer=u,c.prototype=s,s.Parser=c,new c}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(28).readFileSync(n(29).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(7),n(9)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[6,9,10],n={trace:function(){},yy:{},symbols_:{error:2,start:3,info:4,document:5,EOF:6,line:7,statement:8,NL:9,showInfo:10,$accept:0,$end:1},terminals_:{2:"error",4:"info",6:"EOF",9:"NL",10:"showInfo"},productions_:[0,[3,3],[5,0],[5,2],[7,1],[7,1],[8,1]],performAction:function(t,e,n,r,i,a,o){a.length;switch(i){case 1:return r;case 4:break;case 6:r.setInfo(!0)}},table:[{3:1,4:[1,2]},{1:[3]},t(e,[2,2],{5:3}),{6:[1,4],7:5,8:6,9:[1,7],10:[1,8]},{1:[2,1]},t(e,[2,3]),t(e,[2,4]),t(e,[2,5]),t(e,[2,6])],defaultActions:{4:[2,1]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",u=0,c=0,f=0,l=2,h=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var b=p.yylloc;a.push(b);var v=p.options&&p.options.ranges;function m(){var t;return"number"!=typeof(t=r.pop()||p.lex()||h)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var _,w,x,k,E,A,S,M,T,D={};;){if(x=n[n.length-1],this.defaultActions[x]?k=this.defaultActions[x]:(null==_&&(_=m()),k=o[x]&&o[x][_]),void 0===k||!k.length||!k[0]){var C="";for(A in T=[],o[x])this.terminals_[A]&&A>l&&T.push("'"+this.terminals_[A]+"'");C=p.showPosition?"Parse error on line "+(u+1)+":\n"+p.showPosition()+"\nExpecting "+T.join(", ")+", got '"+(this.terminals_[_]||_)+"'":"Parse error on line "+(u+1)+": Unexpected "+(_==h?"end of input":"'"+(this.terminals_[_]||_)+"'"),this.parseError(C,{text:p.match,token:this.terminals_[_]||_,line:p.yylineno,loc:b,expected:T})}if(k[0]instanceof Array&&k.length>1)throw new Error("Parse Error: multiple actions possible at state: "+x+", token: "+_);switch(k[0]){case 1:n.push(_),i.push(p.yytext),a.push(p.yylloc),n.push(k[1]),_=null,w?(_=w,w=null):(c=p.yyleng,s=p.yytext,u=p.yylineno,b=p.yylloc,f>0&&f--);break;case 2:if(S=this.productions_[k[1]][1],D.$=i[i.length-S],D._$={first_line:a[a.length-(S||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(S||1)].first_column,last_column:a[a.length-1].last_column},v&&(D._$.range=[a[a.length-(S||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(D,[s,c,u,g.yy,k[1],i,a].concat(d))))return E;S&&(n=n.slice(0,-1*S*2),i=i.slice(0,-1*S),a=a.slice(0,-1*S)),n.push(this.productions_[k[1]][0]),i.push(D.$),a.push(D._$),M=o[n[n.length-2]][n[n.length-1]],n.push(M);break;case 3:return!0}}return!0}},r={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return 4;case 1:return 9;case 2:return"space";case 3:return 10;case 4:return 6;case 5:return"TXT"}},rules:[/^(?:info\b)/i,/^(?:[\s\n\r]+)/i,/^(?:[\s]+)/i,/^(?:showInfo\b)/i,/^(?:$)/i,/^(?:.)/i],conditions:{INITIAL:{rules:[0,1,2,3,4,5],inclusive:!0}}};function i(){this.yy={}}return n.lexer=r,i.prototype=n,n.Parser=i,new i}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(28).readFileSync(n(29).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(7),n(9)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[6,9,10,12],n={trace:function(){},yy:{},symbols_:{error:2,start:3,pie:4,document:5,EOF:6,line:7,statement:8,NL:9,STR:10,VALUE:11,title:12,$accept:0,$end:1},terminals_:{2:"error",4:"pie",6:"EOF",9:"NL",10:"STR",11:"VALUE",12:"title"},productions_:[0,[3,3],[5,0],[5,2],[7,1],[7,1],[8,2],[8,1]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 4:break;case 6:r.addSection(a[s-1],r.cleanupValue(a[s]));break;case 7:r.setTitle(a[s].substr(6)),this.$=a[s].substr(6)}},table:[{3:1,4:[1,2]},{1:[3]},t(e,[2,2],{5:3}),{6:[1,4],7:5,8:6,9:[1,7],10:[1,8],12:[1,9]},{1:[2,1]},t(e,[2,3]),t(e,[2,4]),t(e,[2,5]),{11:[1,10]},t(e,[2,7]),t(e,[2,6])],defaultActions:{4:[2,1]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",u=0,c=0,f=0,l=2,h=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var b=p.yylloc;a.push(b);var v=p.options&&p.options.ranges;function m(){var t;return"number"!=typeof(t=r.pop()||p.lex()||h)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var _,w,x,k,E,A,S,M,T,D={};;){if(x=n[n.length-1],this.defaultActions[x]?k=this.defaultActions[x]:(null==_&&(_=m()),k=o[x]&&o[x][_]),void 0===k||!k.length||!k[0]){var C="";for(A in T=[],o[x])this.terminals_[A]&&A>l&&T.push("'"+this.terminals_[A]+"'");C=p.showPosition?"Parse error on line "+(u+1)+":\n"+p.showPosition()+"\nExpecting "+T.join(", ")+", got '"+(this.terminals_[_]||_)+"'":"Parse error on line "+(u+1)+": Unexpected "+(_==h?"end of input":"'"+(this.terminals_[_]||_)+"'"),this.parseError(C,{text:p.match,token:this.terminals_[_]||_,line:p.yylineno,loc:b,expected:T})}if(k[0]instanceof Array&&k.length>1)throw new Error("Parse Error: multiple actions possible at state: "+x+", token: "+_);switch(k[0]){case 1:n.push(_),i.push(p.yytext),a.push(p.yylloc),n.push(k[1]),_=null,w?(_=w,w=null):(c=p.yyleng,s=p.yytext,u=p.yylineno,b=p.yylloc,f>0&&f--);break;case 2:if(S=this.productions_[k[1]][1],D.$=i[i.length-S],D._$={first_line:a[a.length-(S||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(S||1)].first_column,last_column:a[a.length-1].last_column},v&&(D._$.range=[a[a.length-(S||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(D,[s,c,u,g.yy,k[1],i,a].concat(d))))return E;S&&(n=n.slice(0,-1*S*2),i=i.slice(0,-1*S),a=a.slice(0,-1*S)),n.push(this.productions_[k[1]][0]),i.push(D.$),a.push(D._$),M=o[n[n.length-2]][n[n.length-1]],n.push(M);break;case 3:return!0}}return!0}},r={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:case 1:break;case 2:return 4;case 3:return 9;case 4:return"space";case 5:return 12;case 6:this.begin("string");break;case 7:this.popState();break;case 8:return"STR";case 9:return"VALUE";case 10:return 6}},rules:[/^(?:%%[^\n]*)/i,/^(?:\s+)/i,/^(?:pie\b)/i,/^(?:[\s\n\r]+)/i,/^(?:[\s]+)/i,/^(?:title\s[^#\n;]+)/i,/^(?:["])/i,/^(?:["])/i,/^(?:[^"]*)/i,/^(?::[\s]*[\d]+(?:\.[\d]+)?)/i,/^(?:$)/i],conditions:{string:{rules:[7,8],inclusive:!1},INITIAL:{rules:[0,1,2,3,4,5,6,9,10],inclusive:!0}}};function i(){this.yy={}}return n.lexer=r,i.prototype=n,n.Parser=i,new i}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(28).readFileSync(n(29).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(7),n(9)(t))},function(t){t.exports=JSON.parse('{"name":"mermaid","version":"8.4.8","description":"Markdownish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.","main":"dist/mermaid.core.js","keywords":["diagram","markdown","flowchart","sequence diagram","gantt","class diagram","git graph"],"scripts":{"build":"webpack --progress --colors","postbuild":"documentation build src/mermaidAPI.js --shallow -f md --markdown-toc false -o docs/mermaidAPI.md","build:watch":"yarn build --watch","minify":"minify ./dist/mermaid.js > ./dist/mermaid.min.js","release":"yarn build -p --config webpack.config.prod.babel.js","lint":"eslint src","e2e:depr":"yarn lint && jest e2e --config e2e/jest.config.js","cypress":"percy exec -- cypress run","e2e":"start-server-and-test dev http://localhost:9000/ cypress","e2e-upd":"yarn lint && jest e2e -u --config e2e/jest.config.js","dev":"webpack-dev-server --config webpack.config.e2e.js","test":"yarn lint && jest src/.*","test:watch":"jest --watch src","prepublishOnly":"yarn build && yarn release && yarn test && yarn e2e","prepush":"yarn test"},"repository":{"type":"git","url":"https://github.com/knsv/mermaid"},"author":"Knut Sveidqvist","license":"MIT","standard":{"ignore":["**/parser/*.js","dist/**/*.js","cypress/**/*.js"],"globals":["page"]},"dependencies":{"@braintree/sanitize-url":"^3.1.0","crypto-random-string":"^3.0.1","d3":"^5.7.0","dagre":"^0.8.4","dagre-d3":"^0.6.4","graphlib":"^2.1.7","he":"^1.2.0","lodash":"^4.17.11","minify":"^4.1.1","moment-mini":"^2.22.1","scope-css":"^1.2.1"},"devDependencies":{"@babel/core":"^7.2.2","@babel/preset-env":"^7.8.4","@babel/register":"^7.0.0","@percy/cypress":"*","babel-core":"7.0.0-bridge.0","babel-jest":"^24.9.0","babel-loader":"^8.0.4","coveralls":"^3.0.2","css-loader":"^2.0.1","css-to-string-loader":"^0.1.3","cypress":"4.0.1","documentation":"^12.0.1","eslint":"^6.3.0","eslint-config-prettier":"^6.3.0","eslint-plugin-prettier":"^3.1.0","husky":"^1.2.1","identity-obj-proxy":"^3.0.0","jest":"^24.9.0","jison":"^0.4.18","moment":"^2.23.0","node-sass":"^4.12.0","prettier":"^1.18.2","puppeteer":"^1.17.0","sass-loader":"^7.1.0","start-server-and-test":"^1.10.6","terser-webpack-plugin":"^2.2.2","webpack":"^4.41.2","webpack-cli":"^3.1.2","webpack-dev-server":"^3.4.1","webpack-node-externals":"^1.7.2","yarn-upgrade-all":"^0.5.0"},"files":["dist"],"yarn-upgrade-all":{"ignore":["babel-core"]}}')},function(t,e,n){"use strict";var r=n(13);t.exports=i;function i(t){this._isDirected=!r.has(t,"directed")||t.directed,this._isMultigraph=!!r.has(t,"multigraph")&&t.multigraph,this._isCompound=!!r.has(t,"compound")&&t.compound,this._label=void 0,this._defaultNodeLabelFn=r.constant(void 0),this._defaultEdgeLabelFn=r.constant(void 0),this._nodes={},this._isCompound&&(this._parent={},this._children={},this._children["\0"]={}),this._in={},this._preds={},this._out={},this._sucs={},this._edgeObjs={},this._edgeLabels={}}function a(t,e){t[e]?t[e]++:t[e]=1}function o(t,e){--t[e]||delete t[e]}function s(t,e,n,i){var a=""+e,o=""+n;if(!t&&a>o){var s=a;a=o,o=s}return a+"
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s=c[o>>>1];n=a.r28shl(n,s),i=a.r28shl(i,s),a.pc2(n,i,t.keys,o)}},u.prototype._update=function(t,e,n,r){var i=this._desState,o=a.readUInt32BE(t,e),s=a.readUInt32BE(t,e+4);a.ip(o,s,i.tmp,0),o=i.tmp[0],s=i.tmp[1],"encrypt"===this.type?this._encrypt(i,o,s,i.tmp,0):this._decrypt(i,o,s,i.tmp,0),o=i.tmp[0],s=i.tmp[1],a.writeUInt32BE(n,o,r),a.writeUInt32BE(n,s,r+4)},u.prototype._pad=function(t,e){for(var n=t.length-e,r=e;r<t.length;r++)t[r]=n;return!0},u.prototype._unpad=function(t){for(var e=t[t.length-1],n=t.length-e;n<t.length;n++)r.equal(t[n],e);return t.slice(0,t.length-e)},u.prototype._encrypt=function(t,e,n,r,i){for(var o=e,s=n,u=0;u<t.keys.length;u+=2){var c=t.keys[u],f=t.keys[u+1];a.expand(s,t.tmp,0),c^=t.tmp[0],f^=t.tmp[1];var l=a.substitute(c,f),h=s;s=(o^a.permute(l))>>>0,o=h}a.rip(s,o,r,i)},u.prototype._decrypt=function(t,e,n,r,i){for(var o=n,s=e,u=t.keys.length-2;u>=0;u-=2){var c=t.keys[u],f=t.keys[u+1];a.expand(o,t.tmp,0),c^=t.tmp[0],f^=t.tmp[1];var l=a.substitute(c,f),h=o;o=(s^a.permute(l))>>>0,s=h}a.rip(o,s,r,i)}},function(t,e,n){var r=n(55),i=n(3).Buffer,a=n(209);function o(t){var e=t._cipher.encryptBlockRaw(t._prev);return a(t._prev),e}e.encrypt=function(t,e){var n=Math.ceil(e.length/16),a=t._cache.length;t._cache=i.concat([t._cache,i.allocUnsafe(16*n)]);for(var s=0;s<n;s++){var u=o(t),c=a+16*s;t._cache.writeUInt32BE(u[0],c+0),t._cache.writeUInt32BE(u[1],c+4),t._cache.writeUInt32BE(u[2],c+8),t._cache.writeUInt32BE(u[3],c+12)}var f=t._cache.slice(0,e.length);return t._cache=t._cache.slice(e.length),r(e,f)}},function(t,e){t.exports=function(t){for(var e,n=t.length;n--;){if(255!==(e=t.readUInt8(n))){e++,t.writeUInt8(e,n);break}t.writeUInt8(0,n)}}},function(t){t.exports=JSON.parse('{"aes-128-ecb":{"cipher":"AES","key":128,"iv":0,"mode":"ECB","type":"block"},"aes-192-ecb":{"cipher":"AES","key":192,"iv":0,"mode":"ECB","type":"block"},"aes-256-ecb":{"cipher":"AES","key":256,"iv":0,"mode":"ECB","type":"block"},"aes-128-cbc":{"cipher":"AES","key":128,"iv":16,"mode":"CBC","type":"block"},"aes-192-cbc":{"cipher":"AES","key":192,"iv":16,"mode":"CBC","type":"block"},"aes-256-cbc":{"cipher":"AES","key":256,"iv":16,"mode":"CBC","type":"block"},"aes128":{"cipher":"AES","key":128,"iv":16,"mode":"CBC","type":"block"},"aes192":{"cipher":"AES","key":192,"iv":16,"mode":"CBC","type":"block"},"aes256":{"cipher":"AES","key":256,"iv":16,"mode":"CBC","type":"block"},"aes-128-cfb":{"cipher":"AES","key":128,"iv":16,"mode":"CFB","type":"stream"},"aes-192-cfb":{"cipher":"AES","key":192,"iv":16,"mode":"CFB","type":"stream"},"aes-256-cfb":{"cipher":"AES","key":256,"iv":16,"mode":"CFB","type":"stream"},"aes-128-cfb8":{"cipher":"AES","key":128,"iv":16,"mode":"CFB8","type":"stream"},"aes-192-cfb8":{"cipher":"AES","key":192,"iv":16,"mode":"CFB8","type":"stream"},"aes-256-cfb8":{"cipher":"AES","key":256,"iv":16,"mode":"CFB8","type":"stream"},"aes-128-cfb1":{"cipher":"AES","key":128,"iv":16,"mode":"CFB1","type":"stream"},"aes-192-cfb1":{"cipher":"AES","key":192,"iv":16,"mode":"CFB1","type":"stream"},"aes-256-cfb1":{"cipher":"AES","key":256,"iv":16,"mode":"CFB1","type":"stream"},"aes-128-ofb":{"cipher":"AES","key":128,"iv":16,"mode":"OFB","type":"stream"},"aes-192-ofb":{"cipher":"AES","key":192,"iv":16,"mode":"OFB","type":"stream"},"aes-256-ofb":{"cipher":"AES","key":256,"iv":16,"mode":"OFB","type":"stream"},"aes-128-ctr":{"cipher":"AES","key":128,"iv":16,"mode":"CTR","type":"stream"},"aes-192-ctr":{"cipher":"AES","key":192,"iv":16,"mode":"CTR","type":"stream"},"aes-256-ctr":{"cipher":"AES","key":256,"iv":16,"mode":"CTR","type":"stream"},"aes-128-gcm":{"cipher":"AES","key":128,"iv":12,"mode":"GCM","type":"auth"},"aes-192-gcm":{"cipher":"AES","key":192,"iv":12,"mode":"GCM","type":"auth"},"aes-256-gcm":{"cipher":"AES","key":256,"iv":12,"mode":"GCM","type":"auth"}}')},function(t,e,n){var r=n(79),i=n(3).Buffer,a=n(31),o=n(2),s=n(453),u=n(55),c=n(209);function f(t,e,n,o){a.call(this);var u=i.alloc(4,0);this._cipher=new r.AES(e);var f=this._cipher.encryptBlock(u);this._ghash=new s(f),n=function(t,e,n){if(12===e.length)return t._finID=i.concat([e,i.from([0,0,0,1])]),i.concat([e,i.from([0,0,0,2])]);var r=new s(n),a=e.length,o=a%16;r.update(e),o&&(o=16-o,r.update(i.alloc(o,0))),r.update(i.alloc(8,0));var u=8*a,f=i.alloc(8);f.writeUIntBE(u,0,8),r.update(f),t._finID=r.state;var l=i.from(t._finID);return c(l),l}(this,n,f),this._prev=i.from(n),this._cache=i.allocUnsafe(0),this._secCache=i.allocUnsafe(0),this._decrypt=o,this._alen=0,this._len=0,this._mode=t,this._authTag=null,this._called=!1}o(f,a),f.prototype._update=function(t){if(!this._called&&this._alen){var e=16-this._alen%16;e<16&&(e=i.alloc(e,0),this._ghash.update(e))}this._called=!0;var n=this._mode.encrypt(this,t);return this._decrypt?this._ghash.update(t):this._ghash.update(n),this._len+=t.length,n},f.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var t=u(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&function(t,e){var n=0;t.length!==e.length&&n++;for(var r=Math.min(t.length,e.length),i=0;i<r;++i)n+=t[i]^e[i];return n}(t,this._authTag))throw new Error("Unsupported state or unable to authenticate data");this._authTag=t,this._cipher.scrub()},f.prototype.getAuthTag=function(){if(this._decrypt||!i.isBuffer(this._authTag))throw new Error("Attempting to get auth tag in unsupported state");return this._authTag},f.prototype.setAuthTag=function(t){if(!this._decrypt)throw new Error("Attempting to set auth tag in unsupported state");this._authTag=t},f.prototype.setAAD=function(t){if(this._called)throw new Error("Attempting to set AAD in unsupported 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e=i.mont(t);return 0===u.toRed(e).redPow(t.subn(1)).fromRed().cmpn(1)}function v(t,e){if(t<16)return new i(2===e||5===e?[140,123]:[140,39]);var n,p;for(e=new i(e);;){for(n=new i(r(Math.ceil(t/8)));n.bitLength()>t;)n.ishrn(1);if(n.isEven()&&n.iadd(s),n.testn(1)||n.iadd(u),e.cmp(u)){if(!e.cmp(c))for(;n.mod(f).cmp(l);)n.iadd(d)}else for(;n.mod(a).cmp(h);)n.iadd(d);if(y(p=n.shrn(1))&&y(n)&&b(p)&&b(n)&&o.test(p)&&o.test(n))return n}}},function(t,e,n){var r=n(5),i=n(123);function a(t){this.rand=t||new i.Rand}t.exports=a,a.create=function(t){return new a(t)},a.prototype._randbelow=function(t){var e=t.bitLength(),n=Math.ceil(e/8);do{var i=new r(this.rand.generate(n))}while(i.cmp(t)>=0);return i},a.prototype._randrange=function(t,e){var n=e.sub(t);return t.add(this._randbelow(n))},a.prototype.test=function(t,e,n){var i=t.bitLength(),a=r.mont(t),o=new r(1).toRed(a);e||(e=Math.max(1,i/48|0));for(var s=t.subn(1),u=0;!s.testn(u);u++);for(var c=t.shrn(u),f=s.toRed(a);e>0;e--){var l=this._randrange(new r(2),s);n&&n(l);var h=l.toRed(a).redPow(c);if(0!==h.cmp(o)&&0!==h.cmp(f)){for(var d=1;d<u;d++){if(0===(h=h.redSqr()).cmp(o))return!1;if(0===h.cmp(f))break}if(d===u)return!1}}return!0},a.prototype.getDivisor=function(t,e){var n=t.bitLength(),i=r.mont(t),a=new r(1).toRed(i);e||(e=Math.max(1,n/48|0));for(var o=t.subn(1),s=0;!o.testn(s);s++);for(var u=t.shrn(s),c=o.toRed(i);e>0;e--){var f=this._randrange(new r(2),o),l=t.gcd(f);if(0!==l.cmpn(1))return l;var h=f.toRed(i).redPow(u);if(0!==h.cmp(a)&&0!==h.cmp(c)){for(var d=1;d<s;d++){if(0===(h=h.redSqr()).cmp(a))return h.fromRed().subn(1).gcd(t);if(0===h.cmp(c))break}if(d===s)return(h=h.redSqr()).fromRed().subn(1).gcd(t)}}return!1}},function(t,e,n){"use strict";var r=e;function i(t){return 1===t.length?"0"+t:t}function a(t){for(var e="",n=0;n<t.length;n++)e+=i(t[n].toString(16));return e}r.toArray=function(t,e){if(Array.isArray(t))return t.slice();if(!t)return[];var n=[];if("string"!=typeof t){for(var 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r=n(21),i=n(56),a=n(217),o=n(16),s=r.sum32,u=r.sum32_4,c=r.sum32_5,f=a.ch32,l=a.maj32,h=a.s0_256,d=a.s1_256,p=a.g0_256,g=a.g1_256,y=i.BlockHash,b=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];function v(){if(!(this instanceof v))return new v;y.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=b,this.W=new Array(64)}r.inherits(v,y),t.exports=v,v.blockSize=512,v.outSize=256,v.hmacStrength=192,v.padLength=64,v.prototype._update=function(t,e){for(var n=this.W,r=0;r<16;r++)n[r]=t[e+r];for(;r<n.length;r++)n[r]=u(g(n[r-2]),n[r-7],p(n[r-15]),n[r-16]);var i=this.h[0],a=this.h[1],y=this.h[2],b=this.h[3],v=this.h[4],m=this.h[5],_=this.h[6],w=this.h[7];for(o(this.k.length===n.length),r=0;r<n.length;r++){var x=c(w,d(v),f(v,m,_),this.k[r],n[r]),k=s(h(i),l(i,a,y));w=_,_=m,m=v,v=s(b,x),b=y,y=a,a=i,i=s(x,k)}this.h[0]=s(this.h[0],i),this.h[1]=s(this.h[1],a),this.h[2]=s(this.h[2],y),this.h[3]=s(this.h[3],b),this.h[4]=s(this.h[4],v),this.h[5]=s(this.h[5],m),this.h[6]=s(this.h[6],_),this.h[7]=s(this.h[7],w)},v.prototype._digest=function(t){return"hex"===t?r.toHex32(this.h,"big"):r.split32(this.h,"big")}},function(t,e,n){"use strict";var r=n(21),i=n(56),a=n(16),o=r.rotr64_hi,s=r.rotr64_lo,u=r.shr64_hi,c=r.shr64_lo,f=r.sum64,l=r.sum64_hi,h=r.sum64_lo,d=r.sum64_4_hi,p=r.sum64_4_lo,g=r.sum64_5_hi,y=r.sum64_5_lo,b=i.BlockHash,v=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591];function 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ta:"β",Beta:"Β",beth:"ℶ",between:"≬",bfr:"𝔟",Bfr:"𝔅",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bNot:"⫭",bopf:"𝕓",Bopf:"𝔹",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxbox:"⧉",boxdl:"┐",boxdL:"╕",boxDl:"╖",boxDL:"╗",boxdr:"┌",boxdR:"╒",boxDr:"╓",boxDR:"╔",boxh:"─",boxH:"═",boxhd:"┬",boxhD:"╥",boxHd:"╤",boxHD:"╦",boxhu:"┴",boxhU:"╨",boxHu:"╧",boxHU:"╩",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxul:"┘",boxuL:"╛",boxUl:"╜",boxUL:"╝",boxur:"└",boxuR:"╘",boxUr:"╙",boxUR:"╚",boxv:"│",boxV:"║",boxvh:"┼",boxvH:"╪",boxVh:"╫",boxVH:"╬",boxvl:"┤",boxvL:"╡",boxVl:"╢",boxVL:"╣",boxvr:"├",boxvR:"╞",boxVr:"╟",boxVR:"╠",bprime:"‵",breve:"˘",Breve:"˘",brvbar:"¦",bscr:"𝒷",Bscr:"ℬ",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpe:"≏",bumpE:"⪮",bumpeq:"≏",Bumpeq:"≎",cacute:"ć",Cacute:"Ć",cap:"∩",Cap:"⋒",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",CapitalDifferentialD:"ⅅ",caps:"∩︀",caret:"⁁",caron:"ˇ",Cayleys:"ℭ",ccaps:"⩍",ccaron:"č",Ccaron:"Č",ccedil:"ç",Ccedil:"Ç",ccirc:"ĉ",Ccirc:"Ĉ",Cconint:"∰",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",Cdot:"Ċ",cedil:"¸",Cedilla:"¸",cemptyv:"⦲",cent:"¢",centerdot:"·",CenterDot:"·",cfr:"𝔠",Cfr:"ℭ",chcy:"ч",CHcy:"Ч",check:"✓",checkmark:"✓",chi:"χ",Chi:"Χ",cir:"○",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",CircleDot:"⊙",circledR:"®",circledS:"Ⓢ",CircleMinus:"⊖",CirclePlus:"⊕",CircleTimes:"⊗",cire:"≗",cirE:"⧃",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",ClockwiseContourIntegral:"∲",CloseCurlyDoubleQuote:"”",CloseCurlyQuote:"’",clubs:"♣",clubsuit:"♣",colon:":",Colon:"∷",colone:"≔",Colone:"⩴",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",Congruent:"≡",conint:"∮",Conint:"∯",ContourIntegral:"∮",copf:"𝕔",Copf:"ℂ",coprod:"∐",Coproduct:"∐",copy:"©",COPY:"©",copysr:"℗",CounterClockwiseContourIntegral:"∳",crarr:"↵",cross:"✗",Cross:"⨯",cscr:"𝒸",Cscr:"𝒞",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",Cup:"⋓",cupbrcap:"⩈",cupcap:"⩆",CupCap:"≍",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dagger:"†",Dagger:"‡",daleth:"ℸ",darr:"↓",dArr:"⇓",Darr:"↡",dash:"‐",dashv:"⊣",Dashv:"⫤",dbkarow:"⤏",dblac:"˝",dcaron:"ď",Dcaron:"Ď",dcy:"д",Dcy:"Д",dd:"ⅆ",DD:"ⅅ",ddagger:"‡",ddarr:"⇊",DDotrahd:"⤑",ddotseq:"⩷",deg:"°",Del:"∇",delta:"δ",Delta:"Δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",Dfr:"𝔇",dHar:"⥥",dharl:"⇃",dharr:"⇂",DiacriticalAcute:"´",DiacriticalDot:"˙",DiacriticalDoubleAcute:"˝",DiacriticalGrave:"`",DiacriticalTilde:"˜",diam:"⋄",diamond:"⋄",Diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",DifferentialD:"ⅆ",digamma:"ϝ",disin:"⋲",div:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",DJcy:"Ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",Dopf:"𝔻",dot:"˙",Dot:"¨",DotDot:"⃜",doteq:"≐",doteqdot:"≑",DotEqual:"≐",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",DoubleContourIntegral:"∯",DoubleDot:"¨",DoubleDownArrow:"⇓",DoubleLeftArrow:"⇐",DoubleLeftRightArrow:"⇔",DoubleLeftTee:"⫤",DoubleLongLeftArrow:"⟸",DoubleLongLeftRightArrow:"⟺",DoubleLongRightArrow:"⟹",DoubleRightArrow:"⇒",DoubleRightTee:"⊨",DoubleUpArrow:"⇑",DoubleUpDownArrow:"⇕",DoubleVerticalBar:"∥",downarrow:"↓",Downarrow:"⇓",DownArrow:"↓",DownArrowBar:"⤓",DownArrowUpArrow:"⇵",DownBreve:"̑",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",DownLeftRightVector:"⥐",DownLeftTeeVector:"⥞",DownLeftVector:"↽",DownLeftVectorBar:"⥖",DownRightTeeVector:"⥟",DownRightVector:"⇁",DownRightVectorBar:"⥗",DownTee:"⊤",DownTeeArrow:"↧",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",Dscr:"𝒟",dscy:"ѕ",DScy:"Ѕ",dsol:"⧶",dstrok:"đ",Dstrok:"Đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",DZcy:"Џ",dzigrarr:"⟿",eacute:"é",Eacute:"É",easter:"⩮",ecaron:"ě",Ecaron:"Ě",ecir:"≖",ecirc:"ê",Ecirc:"Ê",ecolon:"≕",ecy:"э",Ecy:"Э",eDDot:"⩷",edot:"ė",eDot:"≑",Edot:"Ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",Efr:"𝔈",eg:"⪚",egrave:"è",Egrave:"È",egs:"⪖",egsdot:"⪘",el:"⪙",Element:"∈",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",Emacr:"Ē",empty:"∅",emptyset:"∅",EmptySmallSquare:"◻",emptyv:"∅",EmptyVerySmallSquare:"▫",emsp:" ",emsp13:" ",emsp14:" ",eng:"ŋ",ENG:"Ŋ",ensp:" ",eogon:"ę",Eogon:"Ę",eopf:"𝕖",Eopf:"𝔼",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",Epsilon:"Ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",Equal:"⩵",equals:"=",EqualTilde:"≂",equest:"≟",Equilibrium:"⇌",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erarr:"⥱",erDot:"≓",escr:"ℯ",Escr:"ℰ",esdot:"≐",esim:"≂",Esim:"⩳",eta:"η",Eta:"Η",eth:"ð",ETH:"Ð",euml:"ë",Euml:"Ë",euro:"€",excl:"!",exist:"∃",Exists:"∃",expectation:"ℰ",exponentiale:"ⅇ",ExponentialE:"ⅇ",fallingdotseq:"≒",fcy:"ф",Fcy:"Ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",Ffr:"𝔉",filig:"fi",FilledSmallSquare:"◼",FilledVerySmallSquare:"▪",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",Fopf:"𝔽",forall:"∀",ForAll:"∀",fork:"⋔",forkv:"⫙",Fouriertrf:"ℱ",fpartint:"⨍",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",Fscr:"ℱ",gacute:"ǵ",gamma:"γ",Gamma:"Γ",gammad:"ϝ",Gammad:"Ϝ",gap:"⪆",gbreve:"ğ",Gbreve:"Ğ",Gcedil:"Ģ",gcirc:"ĝ",Gcirc:"Ĝ",gcy:"г",Gcy:"Г",gdot:"ġ",Gdot:"Ġ",ge:"≥",gE:"≧",gel:"⋛",gEl:"⪌",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",Gfr:"𝔊",gg:"≫",Gg:"⋙",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",GJcy:"Ѓ",gl:"≷",gla:"⪥",glE:"⪒",glj:"⪤",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gnE:"≩",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",Gopf:"𝔾",grave:"`",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",gscr:"ℊ",Gscr:"𝒢",gsim:"≳",gsime:"⪎",gsiml:"⪐",gt:">",Gt:"≫",GT:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",Hacek:"ˇ",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",HARDcy:"Ъ",harr:"↔",hArr:"⇔",harrcir:"⥈",harrw:"↭",Hat:"^",hbar:"ℏ",hcirc:"ĥ",Hcirc:"Ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",Hfr:"ℌ",HilbertSpace:"ℋ",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",Hopf:"ℍ",horbar:"―",HorizontalLine:"─",hscr:"𝒽",Hscr:"ℋ",hslash:"ℏ",hstrok:"ħ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",hybull:"⁃",hyphen:"‐",iacute:"í",Iacute:"Í",ic:"⁣",icirc:"î",Icirc:"Î",icy:"и",Icy:"И",Idot:"İ",iecy:"е",IEcy:"Е",iexcl:"¡",iff:"⇔",ifr:"𝔦",Ifr:"ℑ",igrave:"ì",Igrave:"Ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",IJlig:"IJ",Im:"ℑ",imacr:"ī",Imacr:"Ī",image:"ℑ",ImaginaryI:"ⅈ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",Implies:"⇒",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",Int:"∬",intcal:"⊺",integers:"ℤ",Integral:"∫",intercal:"⊺",Intersection:"⋂",intlarhk:"⨗",intprod:"⨼",InvisibleComma:"⁣",InvisibleTimes:"⁢",iocy:"ё",IOcy:"Ё",iogon:"į",Iogon:"Į",iopf:"𝕚",Iopf:"𝕀",iota:"ι",Iota:"Ι",iprod:"⨼",iquest:"¿",iscr:"𝒾",Iscr:"ℐ",isin:"∈",isindot:"⋵",isinE:"⋹",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",Itilde:"Ĩ",iukcy:"і",Iukcy:"І",iuml:"ï",Iuml:"Ï",jcirc:"ĵ",Jcirc:"Ĵ",jcy:"й",Jcy:"Й",jfr:"𝔧",Jfr:"𝔍",jmath:"ȷ",jopf:"𝕛",Jopf:"𝕁",jscr:"𝒿",Jscr:"𝒥",jsercy:"ј",Jsercy:"Ј",jukcy:"є",Jukcy:"Є",kappa:"κ",Kappa:"Κ",kappav:"ϰ",kcedil:"ķ",Kcedil:"Ķ",kcy:"к",Kcy:"К",kfr:"𝔨",Kfr:"𝔎",kgreen:"ĸ",khcy:"х",KHcy:"Х",kjcy:"ќ",KJcy:"Ќ",kopf:"𝕜",Kopf:"𝕂",kscr:"𝓀",Kscr:"𝒦",lAarr:"⇚",lacute:"ĺ",Lacute:"Ĺ",laemptyv:"⦴",lagran:"ℒ",lambda:"λ",Lambda:"Λ",lang:"⟨",Lang:"⟪",langd:"⦑",langle:"⟨",lap:"⪅",Laplacetrf:"ℒ",laquo:"«",larr:"←",lArr:"⇐",Larr:"↞",larrb:"⇤",larrbfs:"⤟",larrfs:"⤝",larrhk:"↩",larrlp:"↫",larrpl:"⤹",larrsim:"⥳",larrtl:"↢",lat:"⪫",latail:"⤙",lAtail:"⤛",late:"⪭",lates:"⪭︀",lbarr:"⤌",lBarr:"⤎",lbbrk:"❲",lbrace:"{",lbrack:"[",lbrke:"⦋",lbrksld:"⦏",lbrkslu:"⦍",lcaron:"ľ",Lcaron:"Ľ",lcedil:"ļ",Lcedil:"Ļ",lceil:"⌈",lcub:"{",lcy:"л",Lcy:"Л",ldca:"⤶",ldquo:"“",ldquor:"„",ldrdhar:"⥧",ldrushar:"⥋",ldsh:"↲",le:"≤",lE:"≦",LeftAngleBracket:"⟨",leftarrow:"←",Leftarrow:"⇐",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",leftarrowtail:"↢",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",leftharpoondown:"↽",leftharpoonup:"↼",leftleftarrows:"⇇",leftrightarrow:"↔",Leftrightarrow:"⇔",LeftRightArrow:"↔",leftrightarrows:"⇆",leftrightharpoons:"⇋",leftrightsquigarrow:"↭",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",leftthreetimes:"⋋",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",leg:"⋚",lEg:"⪋",leq:"≤",leqq:"≦",leqslant:"⩽",les:"⩽",lescc:"⪨",lesdot:"⩿",lesdoto:"⪁",lesdotor:"⪃",lesg:"⋚︀",lesges:"⪓",lessapprox:"⪅",lessdot:"⋖",lesseqgtr:"⋚",lesseqqgtr:"⪋",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",lessgtr:"≶",LessLess:"⪡",lesssim:"≲",LessSlantEqual:"⩽",LessTilde:"≲",lfisht:"⥼",lfloor:"⌊",lfr:"𝔩",Lfr:"𝔏",lg:"≶",lgE:"⪑",lHar:"⥢",lhard:"↽",lharu:"↼",lharul:"⥪",lhblk:"▄",ljcy:"љ",LJcy:"Љ",ll:"≪",Ll:"⋘",llarr:"⇇",llcorner:"⌞",Lleftarrow:"⇚",llhard:"⥫",lltri:"◺",lmidot:"ŀ",Lmidot:"Ŀ",lmoust:"⎰",lmoustache:"⎰",lnap:"⪉",lnapprox:"⪉",lne:"⪇",lnE:"≨",lneq:"⪇",lneqq:"≨",lnsim:"⋦",loang:"⟬",loarr:"⇽",lobrk:"⟦",longleftarrow:"⟵",Longleftarrow:"⟸",LongLeftArrow:"⟵",longleftrightarrow:"⟷",Longleftrightarrow:"⟺",LongLeftRightArrow:"⟷",longmapsto:"⟼",longrightarrow:"⟶",Longrightarrow:"⟹",LongRightArrow:"⟶",looparrowleft:"↫",looparrowright:"↬",lopar:"⦅",lopf:"𝕝",Lopf:"𝕃",loplus:"⨭",lotimes:"⨴",lowast:"∗",lowbar:"_",LowerLeftArrow:"↙",LowerRightArrow:"↘",loz:"◊",lozenge:"◊",lozf:"⧫",lpar:"(",lparlt:"⦓",lrarr:"⇆",lrcorner:"⌟",lrhar:"⇋",lrhard:"⥭",lrm:"‎",lrtri:"⊿",lsaquo:"‹",lscr:"𝓁",Lscr:"ℒ",lsh:"↰",Lsh:"↰",lsim:"≲",lsime:"⪍",lsimg:"⪏",lsqb:"[",lsquo:"‘",lsquor:"‚",lstrok:"ł",Lstrok:"Ł",lt:"<",Lt:"≪",LT:"<",ltcc:"⪦",ltcir:"⩹",ltdot:"⋖",lthree:"⋋",ltimes:"⋉",ltlarr:"⥶",ltquest:"⩻",ltri:"◃",ltrie:"⊴",ltrif:"◂",ltrPar:"⦖",lurdshar:"⥊",luruhar:"⥦",lvertneqq:"≨︀",lvnE:"≨︀",macr:"¯",male:"♂",malt:"✠",maltese:"✠",map:"↦",Map:"⤅",mapsto:"↦",mapstodown:"↧",mapstoleft:"↤",mapstoup:"↥",marker:"▮",mcomma:"⨩",mcy:"м",Mcy:"М",mdash:"—",mDDot:"∺",measuredangle:"∡",MediumSpace:" ",Mellintrf:"ℳ",mfr:"𝔪",Mfr:"𝔐",mho:"℧",micro:"µ",mid:"∣",midast:"*",midcir:"⫰",middot:"·",minus:"−",minusb:"⊟",minusd:"∸",minusdu:"⨪",MinusPlus:"∓",mlcp:"⫛",mldr:"…",mnplus:"∓",models:"⊧",mopf:"𝕞",Mopf:"𝕄",mp:"∓",mscr:"𝓂",Mscr:"ℳ",mstpos:"∾",mu:"μ",Mu:"Μ",multimap:"⊸",mumap:"⊸",nabla:"∇",nacute:"ń",Nacute:"Ń",nang:"∠⃒",nap:"≉",napE:"⩰̸",napid:"≋̸",napos:"ʼn",napprox:"≉",natur:"♮",natural:"♮",naturals:"ℕ",nbsp:" ",nbump:"≎̸",nbumpe:"≏̸",ncap:"⩃",ncaron:"ň",Ncaron:"Ň",ncedil:"ņ",Ncedil:"Ņ",ncong:"≇",ncongdot:"⩭̸",ncup:"⩂",ncy:"н",Ncy:"Н",ndash:"–",ne:"≠",nearhk:"⤤",nearr:"↗",neArr:"⇗",nearrow:"↗",nedot:"≐̸",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",nequiv:"≢",nesear:"⤨",nesim:"≂̸",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",nexist:"∄",nexists:"∄",nfr:"𝔫",Nfr:"𝔑",nge:"≱",ngE:"≧̸",ngeq:"≱",ngeqq:"≧̸",ngeqslant:"⩾̸",nges:"⩾̸",nGg:"⋙̸",ngsim:"≵",ngt:"≯",nGt:"≫⃒",ngtr:"≯",nGtv:"≫̸",nharr:"↮",nhArr:"⇎",nhpar:"⫲",ni:"∋",nis:"⋼",nisd:"⋺",niv:"∋",njcy:"њ",NJcy:"Њ",nlarr:"↚",nlArr:"⇍",nldr:"‥",nle:"≰",nlE:"≦̸",nleftarrow:"↚",nLeftarrow:"⇍",nleftrightarrow:"↮",nLeftrightarrow:"⇎",nleq:"≰",nleqq:"≦̸",nleqslant:"⩽̸",nles:"⩽̸",nless:"≮",nLl:"⋘̸",nlsim:"≴",nlt:"≮",nLt:"≪⃒",nltri:"⋪",nltrie:"⋬",nLtv:"≪̸",nmid:"∤",NoBreak:"⁠",NonBreakingSpace:" ",nopf:"𝕟",Nopf:"ℕ",not:"¬",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",notin:"∉",notindot:"⋵̸",notinE:"⋹̸",notinva:"∉",notinvb:"⋷",notinvc:"⋶",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",notni:"∌",notniva:"∌",notnivb:"⋾",notnivc:"⋽",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",npar:"∦",nparallel:"∦",nparsl:"⫽⃥",npart:"∂̸",npolint:"⨔",npr:"⊀",nprcue:"⋠",npre:"⪯̸",nprec:"⊀",npreceq:"⪯̸",nrarr:"↛",nrArr:"⇏",nrarrc:"⤳̸",nrarrw:"↝̸",nrightarrow:"↛",nRightarrow:"⇏",nrtri:"⋫",nrtrie:"⋭",nsc:"⊁",nsccue:"⋡",nsce:"⪰̸",nscr:"𝓃",Nscr:"𝒩",nshortmid:"∤",nshortparallel:"∦",nsim:"≁",nsime:"≄",nsimeq:"≄",nsmid:"∤",nspar:"∦",nsqsube:"⋢",nsqsupe:"⋣",nsub:"⊄",nsube:"⊈",nsubE:"⫅̸",nsubset:"⊂⃒",nsubseteq:"⊈",nsubseteqq:"⫅̸",nsucc:"⊁",nsucceq:"⪰̸",nsup:"⊅",nsupe:"⊉",nsupE:"⫆̸",nsupset:"⊃⃒",nsupseteq:"⊉",nsupseteqq:"⫆̸",ntgl:"≹",ntilde:"ñ",Ntilde:"Ñ",ntlg:"≸",ntriangleleft:"⋪",ntrianglelefteq:"⋬",ntriangleright:"⋫",ntrianglerighteq:"⋭",nu:"ν",Nu:"Ν",num:"#",numero:"№",numsp:" ",nvap:"≍⃒",nvdash:"⊬",nvDash:"⊭",nVdash:"⊮",nVDash:"⊯",nvge:"≥⃒",nvgt:">⃒",nvHarr:"⤄",nvinfin:"⧞",nvlArr:"⤂",nvle:"≤⃒",nvlt:"<⃒",nvltrie:"⊴⃒",nvrArr:"⤃",nvrtrie:"⊵⃒",nvsim:"∼⃒",nwarhk:"⤣",nwarr:"↖",nwArr:"⇖",nwarrow:"↖",nwnear:"⤧",oacute:"ó",Oacute:"Ó",oast:"⊛",ocir:"⊚",ocirc:"ô",Ocirc:"Ô",ocy:"о",Ocy:"О",odash:"⊝",odblac:"ő",Odblac:"Ő",odiv:"⨸",odot:"⊙",odsold:"⦼",oelig:"œ",OElig:"Œ",ofcir:"⦿",ofr:"𝔬",Ofr:"𝔒",ogon:"˛",ograve:"ò",Ograve:"Ò",ogt:"⧁",ohbar:"⦵",ohm:"Ω",oint:"∮",olarr:"↺",olcir:"⦾",olcross:"⦻",oline:"‾",olt:"⧀",omacr:"ō",Omacr:"Ō",omega:"ω",Omega:"Ω",omicron:"ο",Omicron:"Ο",omid:"⦶",ominus:"⊖",oopf:"𝕠",Oopf:"𝕆",opar:"⦷",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",operp:"⦹",oplus:"⊕",or:"∨",Or:"⩔",orarr:"↻",ord:"⩝",order:"ℴ",orderof:"ℴ",ordf:"ª",ordm:"º",origof:"⊶",oror:"⩖",orslope:"⩗",orv:"⩛",oS:"Ⓢ",oscr:"ℴ",Oscr:"𝒪",oslash:"ø",Oslash:"Ø",osol:"⊘",otilde:"õ",Otilde:"Õ",otimes:"⊗",Otimes:"⨷",otimesas:"⨶",ouml:"ö",Ouml:"Ö",ovbar:"⌽",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",par:"∥",para:"¶",parallel:"∥",parsim:"⫳",parsl:"⫽",part:"∂",PartialD:"∂",pcy:"п",Pcy:"П",percnt:"%",period:".",permil:"‰",perp:"⊥",pertenk:"‱",pfr:"𝔭",Pfr:"𝔓",phi:"φ",Phi:"Φ",phiv:"ϕ",phmmat:"ℳ",phone:"☎",pi:"π",Pi:"Π",pitchfork:"⋔",piv:"ϖ",planck:"ℏ",planckh:"ℎ",plankv:"ℏ",plus:"+",plusacir:"⨣",plusb:"⊞",pluscir:"⨢",plusdo:"∔",plusdu:"⨥",pluse:"⩲",PlusMinus:"±",plusmn:"±",plussim:"⨦",plustwo:"⨧",pm:"±",Poincareplane:"ℌ",pointint:"⨕",popf:"𝕡",Popf:"ℙ",pound:"£",pr:"≺",Pr:"⪻",prap:"⪷",prcue:"≼",pre:"⪯",prE:"⪳",prec:"≺",precapprox:"⪷",preccurlyeq:"≼",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",preceq:"⪯",precnapprox:"⪹",precneqq:"⪵",precnsim:"⋨",precsim:"≾",prime:"′",Prime:"″",primes:"ℙ",prnap:"⪹",prnE:"⪵",prnsim:"⋨",prod:"∏",Product:"∏",profalar:"⌮",profline:"⌒",profsurf:"⌓",prop:"∝",Proportion:"∷",Proportional:"∝",propto:"∝",prsim:"≾",prurel:"⊰",pscr:"𝓅",Pscr:"𝒫",psi:"ψ",Psi:"Ψ",puncsp:" ",qfr:"𝔮",Qfr:"𝔔",qint:"⨌",qopf:"𝕢",Qopf:"ℚ",qprime:"⁗",qscr:"𝓆",Qscr:"𝒬",quaternions:"ℍ",quatint:"⨖",quest:"?",questeq:"≟",quot:'"',QUOT:'"',rAarr:"⇛",race:"∽̱",racute:"ŕ",Racute:"Ŕ",radic:"√",raemptyv:"⦳",rang:"⟩",Rang:"⟫",rangd:"⦒",range:"⦥",rangle:"⟩",raquo:"»",rarr:"→",rArr:"⇒",Rarr:"↠",rarrap:"⥵",rarrb:"⇥",rarrbfs:"⤠",rarrc:"⤳",rarrfs:"⤞",rarrhk:"↪",rarrlp:"↬",rarrpl:"⥅",rarrsim:"⥴",rarrtl:"↣",Rarrtl:"⤖",rarrw:"↝",ratail:"⤚",rAtail:"⤜",ratio:"∶",rationals:"ℚ",rbarr:"⤍",rBarr:"⤏",RBarr:"⤐",rbbrk:"❳",rbrace:"}",rbrack:"]",rbrke:"⦌",rbrksld:"⦎",rbrkslu:"⦐",rcaron:"ř",Rcaron:"Ř",rcedil:"ŗ",Rcedil:"Ŗ",rceil:"⌉",rcub:"}",rcy:"р",Rcy:"Р",rdca:"⤷",rdldhar:"⥩",rdquo:"”",rdquor:"”",rdsh:"↳",Re:"ℜ",real:"ℜ",realine:"ℛ",realpart:"ℜ",reals:"ℝ",rect:"▭",reg:"®",REG:"®",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",rfisht:"⥽",rfloor:"⌋",rfr:"𝔯",Rfr:"ℜ",rHar:"⥤",rhard:"⇁",rharu:"⇀",rharul:"⥬",rho:"ρ",Rho:"Ρ",rhov:"ϱ",RightAngleBracket:"⟩",rightarrow:"→",Rightarrow:"⇒",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",rightarrowtail:"↣",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",rightharpoondown:"⇁",rightharpoonup:"⇀",rightleftarrows:"⇄",rightleftharpoons:"⇌",rightrightarrows:"⇉",rightsquigarrow:"↝",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",rightthreetimes:"⋌",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",ring:"˚",risingdotseq:"≓",rlarr:"⇄",rlhar:"⇌",rlm:"‏",rmoust:"⎱",rmoustache:"⎱",rnmid:"⫮",roang:"⟭",roarr:"⇾",robrk:"⟧",ropar:"⦆",ropf:"𝕣",Ropf:"ℝ",roplus:"⨮",rotimes:"⨵",RoundImplies:"⥰",rpar:")",rpargt:"⦔",rppolint:"⨒",rrarr:"⇉",Rrightarrow:"⇛",rsaquo:"›",rscr:"𝓇",Rscr:"ℛ",rsh:"↱",Rsh:"↱",rsqb:"]",rsquo:"’",rsquor:"’",rthree:"⋌",rtimes:"⋊",rtri:"▹",rtrie:"⊵",rtrif:"▸",rtriltri:"⧎",RuleDelayed:"⧴",ruluhar:"⥨",rx:"℞",sacute:"ś",Sacute:"Ś",sbquo:"‚",sc:"≻",Sc:"⪼",scap:"⪸",scaron:"š",Scaron:"Š",sccue:"≽",sce:"⪰",scE:"⪴",scedil:"ş",Scedil:"Ş",scirc:"ŝ",Scirc:"Ŝ",scnap:"⪺",scnE:"⪶",scnsim:"⋩",scpolint:"⨓",scsim:"≿",scy:"с",Scy:"С",sdot:"⋅",sdotb:"⊡",sdote:"⩦",searhk:"⤥",searr:"↘",seArr:"⇘",searrow:"↘",sect:"§",semi:";",seswar:"⤩",setminus:"∖",setmn:"∖",sext:"✶",sfr:"𝔰",Sfr:"𝔖",sfrown:"⌢",sharp:"♯",shchcy:"щ",SHCHcy:"Щ",shcy:"ш",SHcy:"Ш",ShortDownArrow:"↓",ShortLeftArrow:"←",shortmid:"∣",shortparallel:"∥",ShortRightArrow:"→",ShortUpArrow:"↑",shy:"­",sigma:"σ",Sigma:"Σ",sigmaf:"ς",sigmav:"ς",sim:"∼",simdot:"⩪",sime:"≃",simeq:"≃",simg:"⪞",simgE:"⪠",siml:"⪝",simlE:"⪟",simne:"≆",simplus:"⨤",simrarr:"⥲",slarr:"←",SmallCircle:"∘",smallsetminus:"∖",smashp:"⨳",smeparsl:"⧤",smid:"∣",smile:"⌣",smt:"⪪",smte:"⪬",smtes:"⪬︀",softcy:"ь",SOFTcy:"Ь",sol:"/",solb:"⧄",solbar:"⌿",sopf:"𝕤",Sopf:"𝕊",spades:"♠",spadesuit:"♠",spar:"∥",sqcap:"⊓",sqcaps:"⊓︀",sqcup:"⊔",sqcups:"⊔︀",Sqrt:"√",sqsub:"⊏",sqsube:"⊑",sqsubset:"⊏",sqsubseteq:"⊑",sqsup:"⊐",sqsupe:"⊒",sqsupset:"⊐",sqsupseteq:"⊒",squ:"□",square:"□",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",squarf:"▪",squf:"▪",srarr:"→",sscr:"𝓈",Sscr:"𝒮",ssetmn:"∖",ssmile:"⌣",sstarf:"⋆",star:"☆",Star:"⋆",starf:"★",straightepsilon:"ϵ",straightphi:"ϕ",strns:"¯",sub:"⊂",Sub:"⋐",subdot:"⪽",sube:"⊆",subE:"⫅",subedot:"⫃",submult:"⫁",subne:"⊊",subnE:"⫋",subplus:"⪿",subrarr:"⥹",subset:"⊂",Subset:"⋐",subseteq:"⊆",subseteqq:"⫅",SubsetEqual:"⊆",subsetneq:"⊊",subsetneqq:"⫋",subsim:"⫇",subsub:"⫕",subsup:"⫓",succ:"≻",succapprox:"⪸",succcurlyeq:"≽",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",succeq:"⪰",succnapprox:"⪺",succneqq:"⪶",succnsim:"⋩",succsim:"≿",SuchThat:"∋",sum:"∑",Sum:"∑",sung:"♪",sup:"⊃",Sup:"⋑",sup1:"¹",sup2:"²",sup3:"³",supdot:"⪾",supdsub:"⫘",supe:"⊇",supE:"⫆",supedot:"⫄",Superset:"⊃",SupersetEqual:"⊇",suphsol:"⟉",suphsub: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pbkdf2");u.isBuffer(t)||(t=u.from(t,o)),u.isBuffer(n)||(n=u.from(n,o)),function(t,e){t.then((function(t){r.nextTick((function(){e(null,t)}))}),(function(t){r.nextTick((function(){e(t)}))}))}(function(t){if(e.process&&!e.process.browser)return Promise.resolve(!1);if(!c||!c.importKey||!c.deriveBits)return Promise.resolve(!1);if(void 0!==l[t])return l[t];var n=h(i=i||u.alloc(8),i,10,128,t).then((function(){return!0})).catch((function(){return!1}));return l[t]=n,n}(b).then((function(e){return e?h(t,n,d,p,b):s(t,n,d,p,g)})),y)}}).call(this,n(12),n(7))},function(t,e,n){var r=n(442),i=n(121),a=n(122),o=n(455),s=n(80);function u(t,e,n){if(t=t.toLowerCase(),a[t])return i.createCipheriv(t,e,n);if(o[t])return new r({key:e,iv:n,mode:t});throw new TypeError("invalid suite type")}function c(t,e,n){if(t=t.toLowerCase(),a[t])return i.createDecipheriv(t,e,n);if(o[t])return new r({key:e,iv:n,mode:t,decrypt:!0});throw new TypeError("invalid suite type")}e.createCipher=e.Cipher=function(t,e){var n,r;if(t=t.toLowerCase(),a[t])n=a[t].key,r=a[t].iv;else{if(!o[t])throw new TypeError("invalid suite type");n=8*o[t].key,r=o[t].iv}var i=s(e,!1,n,r);return u(t,i.key,i.iv)},e.createCipheriv=e.Cipheriv=u,e.createDecipher=e.Decipher=function(t,e){var n,r;if(t=t.toLowerCase(),a[t])n=a[t].key,r=a[t].iv;else{if(!o[t])throw new TypeError("invalid suite type");n=8*o[t].key,r=o[t].iv}var i=s(e,!1,n,r);return c(t,i.key,i.iv)},e.createDecipheriv=e.Decipheriv=c,e.listCiphers=e.getCiphers=function(){return Object.keys(o).concat(i.getCiphers())}},function(t,e,n){var r=n(31),i=n(443),a=n(2),o=n(3).Buffer,s={"des-ede3-cbc":i.CBC.instantiate(i.EDE),"des-ede3":i.EDE,"des-ede-cbc":i.CBC.instantiate(i.EDE),"des-ede":i.EDE,"des-cbc":i.CBC.instantiate(i.DES),"des-ecb":i.DES};function u(t){r.call(this);var e,n=t.mode.toLowerCase(),i=s[n];e=t.decrypt?"decrypt":"encrypt";var a=t.key;o.isBuffer(a)||(a=o.from(a)),"des-ede"!==n&&"des-ede-cbc"!==n||(a=o.concat([a,a.slice(0,8)]));var u=t.iv;o.isBuffer(u)||(u=o.from(u)),this._des=i.create({key:a,iv:u,type:e})}s.des=s["des-cbc"],s.des3=s["des-ede3-cbc"],t.exports=u,a(u,r),u.prototype._update=function(t){return o.from(this._des.update(t))},u.prototype._final=function(){return o.from(this._des.final())}},function(t,e,n){"use strict";e.utils=n(206),e.Cipher=n(120),e.DES=n(207),e.CBC=n(444),e.EDE=n(445)},function(t,e,n){"use strict";var r=n(16),i=n(2),a={};function o(t){r.equal(t.length,8,"Invalid IV length"),this.iv=new Array(8);for(var e=0;e<this.iv.length;e++)this.iv[e]=t[e]}e.instantiate=function(t){function e(e){t.call(this,e),this._cbcInit()}i(e,t);for(var n=Object.keys(a),r=0;r<n.length;r++){var o=n[r];e.prototype[o]=a[o]}return e.create=function(t){return new e(t)},e},a._cbcInit=function(){var t=new o(this.options.iv);this._cbcState=t},a._update=function(t,e,n,r){var i=this._cbcState,a=this.constructor.super_.prototype,o=i.iv;if("encrypt"===this.type){for(var s=0;s<this.blockSize;s++)o[s]^=t[e+s];a._update.call(this,o,0,n,r);for(s=0;s<this.blockSize;s++)o[s]=n[r+s]}else{a._update.call(this,t,e,n,r);for(s=0;s<this.blockSize;s++)n[r+s]^=o[s];for(s=0;s<this.blockSize;s++)o[s]=t[e+s]}}},function(t,e,n){"use strict";var r=n(16),i=n(2),a=n(120),o=n(207);function s(t,e){r.equal(e.length,24,"Invalid key length");var n=e.slice(0,8),i=e.slice(8,16),a=e.slice(16,24);this.ciphers="encrypt"===t?[o.create({type:"encrypt",key:n}),o.create({type:"decrypt",key:i}),o.create({type:"encrypt",key:a})]:[o.create({type:"decrypt",key:a}),o.create({type:"encrypt",key:i}),o.create({type:"decrypt",key:n})]}function u(t){a.call(this,t);var e=new s(this.type,this.options.key);this._edeState=e}i(u,a),t.exports=u,u.create=function(t){return new u(t)},u.prototype._update=function(t,e,n,r){var i=this._edeState;i.ciphers[0]._update(t,e,n,r),i.ciphers[1]._update(n,r,n,r),i.ciphers[2]._update(n,r,n,r)},u.prototype._pad=o.prototype._pad,u.prototype._unpad=o.prototype._unpad},function(t,e,n){var r=n(122),i=n(211),a=n(3).Buffer,o=n(212),s=n(31),u=n(79),c=n(80);function f(t,e,n){s.call(this),this._cache=new h,this._cipher=new u.AES(e),this._prev=a.from(n),this._mode=t,this._autopadding=!0}n(2)(f,s),f.prototype._update=function(t){var e,n;this._cache.add(t);for(var r=[];e=this._cache.get();)n=this._mode.encrypt(this,e),r.push(n);return a.concat(r)};var l=a.alloc(16,16);function h(){this.cache=a.allocUnsafe(0)}function d(t,e,n){var s=r[t.toLowerCase()];if(!s)throw new TypeError("invalid suite type");if("string"==typeof e&&(e=a.from(e)),e.length!==s.key/8)throw new TypeError("invalid key length "+e.length);if("string"==typeof n&&(n=a.from(n)),"GCM"!==s.mode&&n.length!==s.iv)throw new TypeError("invalid iv length "+n.length);return"stream"===s.type?new o(s.module,e,n):"auth"===s.type?new i(s.module,e,n):new f(s.module,e,n)}f.prototype._final=function(){var t=this._cache.flush();if(this._autopadding)return t=this._mode.encrypt(this,t),this._cipher.scrub(),t;if(!t.equals(l))throw this._cipher.scrub(),new Error("data not multiple of block length")},f.prototype.setAutoPadding=function(t){return this._autopadding=!!t,this},h.prototype.add=function(t){this.cache=a.concat([this.cache,t])},h.prototype.get=function(){if(this.cache.length>15){var t=this.cache.slice(0,16);return this.cache=this.cache.slice(16),t}return null},h.prototype.flush=function(){for(var t=16-this.cache.length,e=a.allocUnsafe(t),n=-1;++n<t;)e.writeUInt8(t,n);return a.concat([this.cache,e])},e.createCipheriv=d,e.createCipher=function(t,e){var n=r[t.toLowerCase()];if(!n)throw new TypeError("invalid suite type");var i=c(e,!1,n.key,n.iv);return d(t,i.key,i.iv)}},function(t,e){e.encrypt=function(t,e){return t._cipher.encryptBlock(e)},e.decrypt=function(t,e){return t._cipher.decryptBlock(e)}},function(t,e,n){var r=n(55);e.encrypt=function(t,e){var n=r(e,t._prev);return t._prev=t._cipher.encryptBlock(n),t._prev},e.decrypt=function(t,e){var n=t._prev;t._prev=e;var i=t._cipher.decryptBlock(e);return r(i,n)}},function(t,e,n){var r=n(3).Buffer,i=n(55);function a(t,e,n){var a=e.length,o=i(e,t._cache);return t._cache=t._cache.slice(a),t._prev=r.concat([t._prev,n?e:o]),o}e.encrypt=function(t,e,n){for(var i,o=r.allocUnsafe(0);e.length;){if(0===t._cache.length&&(t._cache=t._cipher.encryptBlock(t._prev),t._prev=r.allocUnsafe(0)),!(t._cache.length<=e.length)){o=r.concat([o,a(t,e,n)]);break}i=t._cache.length,o=r.concat([o,a(t,e.slice(0,i),n)]),e=e.slice(i)}return o}},function(t,e,n){var r=n(3).Buffer;function i(t,e,n){var i=t._cipher.encryptBlock(t._prev)[0]^e;return t._prev=r.concat([t._prev.slice(1),r.from([n?e:i])]),i}e.encrypt=function(t,e,n){for(var a=e.length,o=r.allocUnsafe(a),s=-1;++s<a;)o[s]=i(t,e[s],n);return o}},function(t,e,n){var r=n(3).Buffer;function i(t,e,n){for(var r,i,o=-1,s=0;++o<8;)r=e&1<<7-o?128:0,s+=(128&(i=t._cipher.encryptBlock(t._prev)[0]^r))>>o%8,t._prev=a(t._prev,n?r:i);return s}function a(t,e){var n=t.length,i=-1,a=r.allocUnsafe(t.length);for(t=r.concat([t,r.from([e])]);++i<n;)a[i]=t[i]<<1|t[i+1]>>7;return a}e.encrypt=function(t,e,n){for(var a=e.length,o=r.allocUnsafe(a),s=-1;++s<a;)o[s]=i(t,e[s],n);return o}},function(t,e,n){(function(t){var r=n(55);function i(t){return t._prev=t._cipher.encryptBlock(t._prev),t._prev}e.encrypt=function(e,n){for(;e._cache.length<n.length;)e._cache=t.concat([e._cache,i(e)]);var a=e._cache.slice(0,n.length);return e._cache=e._cache.slice(n.length),r(n,a)}}).call(this,n(8).Buffer)},function(t,e,n){var r=n(3).Buffer,i=r.alloc(16,0);function a(t){var e=r.allocUnsafe(16);return e.writeUInt32BE(t[0]>>>0,0),e.writeUInt32BE(t[1]>>>0,4),e.writeUInt32BE(t[2]>>>0,8),e.writeUInt32BE(t[3]>>>0,12),e}function o(t){this.h=t,this.state=r.alloc(16,0),this.cache=r.allocUnsafe(0)}o.prototype.ghash=function(t){for(var e=-1;++e<t.length;)this.state[e]^=t[e];this._multiply()},o.prototype._multiply=function(){for(var t,e,n,r=[(t=this.h).readUInt32BE(0),t.readUInt32BE(4),t.readUInt32BE(8),t.readUInt32BE(12)],i=[0,0,0,0],o=-1;++o<128;){for(0!=(this.state[~~(o/8)]&1<<7-o%8)&&(i[0]^=r[0],i[1]^=r[1],i[2]^=r[2],i[3]^=r[3]),n=0!=(1&r[3]),e=3;e>0;e--)r[e]=r[e]>>>1|(1&r[e-1])<<31;r[0]=r[0]>>>1,n&&(r[0]=r[0]^225<<24)}this.state=a(i)},o.prototype.update=function(t){var e;for(this.cache=r.concat([this.cache,t]);this.cache.length>=16;)e=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(e)},o.prototype.final=function(t,e){return this.cache.length&&this.ghash(r.concat([this.cache,i],16)),this.ghash(a([0,t,0,e])),this.state},t.exports=o},function(t,e,n){var r=n(211),i=n(3).Buffer,a=n(122),o=n(212),s=n(31),u=n(79),c=n(80);function f(t,e,n){s.call(this),this._cache=new l,this._last=void 0,this._cipher=new u.AES(e),this._prev=i.from(n),this._mode=t,this._autopadding=!0}function l(){this.cache=i.allocUnsafe(0)}function h(t,e,n){var s=a[t.toLowerCase()];if(!s)throw new TypeError("invalid suite type");if("string"==typeof n&&(n=i.from(n)),"GCM"!==s.mode&&n.length!==s.iv)throw new TypeError("invalid iv length "+n.length);if("string"==typeof e&&(e=i.from(e)),e.length!==s.key/8)throw new TypeError("invalid key length "+e.length);return"stream"===s.type?new o(s.module,e,n,!0):"auth"===s.type?new r(s.module,e,n,!0):new f(s.module,e,n)}n(2)(f,s),f.prototype._update=function(t){var e,n;this._cache.add(t);for(var r=[];e=this._cache.get(this._autopadding);)n=this._mode.decrypt(this,e),r.push(n);return i.concat(r)},f.prototype._final=function(){var t=this._cache.flush();if(this._autopadding)return function(t){var e=t[15];if(e<1||e>16)throw new Error("unable to decrypt data");var n=-1;for(;++n<e;)if(t[n+(16-e)]!==e)throw new Error("unable to decrypt data");if(16===e)return;return t.slice(0,16-e)}(this._mode.decrypt(this,t));if(t)throw new Error("data not multiple of block length")},f.prototype.setAutoPadding=function(t){return this._autopadding=!!t,this},l.prototype.add=function(t){this.cache=i.concat([this.cache,t])},l.prototype.get=function(t){var e;if(t){if(this.cache.length>16)return e=this.cache.slice(0,16),this.cache=this.cache.slice(16),e}else if(this.cache.length>=16)return e=this.cache.slice(0,16),this.cache=this.cache.slice(16),e;return null},l.prototype.flush=function(){if(this.cache.length)return this.cache},e.createDecipher=function(t,e){var n=a[t.toLowerCase()];if(!n)throw new TypeError("invalid suite type");var r=c(e,!1,n.key,n.iv);return h(t,r.key,r.iv)},e.createDecipheriv=h},function(t,e){e["des-ecb"]={key:8,iv:0},e["des-cbc"]=e.des={key:8,iv:8},e["des-ede3-cbc"]=e.des3={key:24,iv:8},e["des-ede3"]={key:24,iv:0},e["des-ede-cbc"]={key:16,iv:8},e["des-ede"]={key:16,iv:0}},function(t,e,n){(function(t){var r=n(213),i=n(459),a=n(460);var o={binary:!0,hex:!0,base64:!0};e.DiffieHellmanGroup=e.createDiffieHellmanGroup=e.getDiffieHellman=function(e){var n=new t(i[e].prime,"hex"),r=new t(i[e].gen,"hex");return new a(n,r)},e.createDiffieHellman=e.DiffieHellman=function e(n,i,s,u){return t.isBuffer(i)||void 0===o[i]?e(n,"binary",i,s):(i=i||"binary",u=u||"binary",s=s||new t([2]),t.isBuffer(s)||(s=new t(s,u)),"number"==typeof n?new a(r(n,s),s,!0):(t.isBuffer(n)||(n=new t(n,i)),new 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e(t,n)),this.__gen=t,this._gen=new r(t),this}}).call(this,n(8).Buffer)},function(t,e,n){(function(e){var r=n(53),i=n(112),a=n(2),o=n(462),s=n(494),u=n(201);function c(t){i.Writable.call(this);var e=u[t];if(!e)throw new Error("Unknown message digest");this._hashType=e.hash,this._hash=r(e.hash),this._tag=e.id,this._signType=e.sign}function f(t){i.Writable.call(this);var e=u[t];if(!e)throw new Error("Unknown message digest");this._hash=r(e.hash),this._tag=e.id,this._signType=e.sign}function l(t){return new c(t)}function h(t){return new f(t)}Object.keys(u).forEach((function(t){u[t].id=new e(u[t].id,"hex"),u[t.toLowerCase()]=u[t]})),a(c,i.Writable),c.prototype._write=function(t,e,n){this._hash.update(t),n()},c.prototype.update=function(t,n){return"string"==typeof t&&(t=new e(t,n)),this._hash.update(t),this},c.prototype.sign=function(t,e){this.end();var n=this._hash.digest(),r=o(n,t,this._hashType,this._signType,this._tag);return 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i,a=n.params.priv_key,s=n.params.p,u=n.params.q,d=n.params.g,p=new o(0),g=f(t,u).mod(u),y=!1,b=c(a,u,t,r);for(;!1===y;)i=l(u,b,r),p=h(d,i,s,u),0===(y=i.invm(u).imul(g.add(a.mul(p))).mod(u)).cmpn(0)&&(y=!1,p=new o(0));return function(t,n){t=t.toArray(),n=n.toArray(),128&t[0]&&(t=[0].concat(t));128&n[0]&&(n=[0].concat(n));var r=[48,t.length+n.length+4,2,t.length];return r=r.concat(t,[2,n.length],n),new e(r)}(p,y)}(t,g,r)}if("rsa"!==d&&"ecdsa/rsa"!==d)throw new Error("wrong private key type");t=e.concat([p,t]);for(var y=g.modulus.byteLength(),b=[0,1];t.length+b.length+1<y;)b.push(255);b.push(0);for(var v=-1;++v<t.length;)b.push(t[v]);return i(b,g)},t.exports.getKey=c,t.exports.makeKey=l}).call(this,n(8).Buffer)},function(t){t.exports=JSON.parse('{"name":"elliptic","version":"6.5.2","description":"EC cryptography","main":"lib/elliptic.js","files":["lib"],"scripts":{"jscs":"jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js","jshint":"jscs benchmarks/*.js lib/*.js 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<fedor@indutny.com>","license":"MIT","bugs":{"url":"https://github.com/indutny/elliptic/issues"},"homepage":"https://github.com/indutny/elliptic","devDependencies":{"brfs":"^1.4.3","coveralls":"^3.0.8","grunt":"^1.0.4","grunt-browserify":"^5.0.0","grunt-cli":"^1.2.0","grunt-contrib-connect":"^1.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^1.0.1","grunt-mocha-istanbul":"^3.0.1","grunt-saucelabs":"^9.0.1","istanbul":"^0.4.2","jscs":"^3.0.7","jshint":"^2.10.3","mocha":"^6.2.2"},"dependencies":{"bn.js":"^4.4.0","brorand":"^1.0.1","hash.js":"^1.0.0","hmac-drbg":"^1.0.0","inherits":"^2.0.1","minimalistic-assert":"^1.0.0","minimalistic-crypto-utils":"^1.0.0"}}')},function(t,e,n){"use strict";var r=n(17),i=n(5),a=n(2),o=n(81),s=r.assert;function u(t){o.call(this,"short",t),this.a=new i(t.a,16).toRed(this.red),this.b=new i(t.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(t),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}function c(t,e,n,r){o.BasePoint.call(this,t,"affine"),null===e&&null===n?(this.x=null,this.y=null,this.inf=!0):(this.x=new i(e,16),this.y=new i(n,16),r&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function f(t,e,n,r){o.BasePoint.call(this,t,"jacobian"),null===e&&null===n&&null===r?(this.x=this.curve.one,this.y=this.curve.one,this.z=new i(0)):(this.x=new i(e,16),this.y=new i(n,16),this.z=new i(r,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}a(u,o),t.exports=u,u.prototype._getEndomorphism=function(t){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var e,n;if(t.beta)e=new i(t.beta,16).toRed(this.red);else{var r=this._getEndoRoots(this.p);e=(e=r[0].cmp(r[1])<0?r[0]:r[1]).toRed(this.red)}if(t.lambda)n=new i(t.lambda,16);else{var a=this._getEndoRoots(this.n);0===this.g.mul(a[0]).x.cmp(this.g.x.redMul(e))?n=a[0]:(n=a[1],s(0===this.g.mul(n).x.cmp(this.g.x.redMul(e))))}return{beta:e,lambda:n,basis:t.basis?t.basis.map((function(t){return{a:new i(t.a,16),b:new i(t.b,16)}})):this._getEndoBasis(n)}}},u.prototype._getEndoRoots=function(t){var e=t===this.p?this.red:i.mont(t),n=new i(2).toRed(e).redInvm(),r=n.redNeg(),a=new i(3).toRed(e).redNeg().redSqrt().redMul(n);return[r.redAdd(a).fromRed(),r.redSub(a).fromRed()]},u.prototype._getEndoBasis=function(t){for(var e,n,r,a,o,s,u,c,f,l=this.n.ushrn(Math.floor(this.n.bitLength()/2)),h=t,d=this.n.clone(),p=new i(1),g=new i(0),y=new i(0),b=new i(1),v=0;0!==h.cmpn(0);){var m=d.div(h);c=d.sub(m.mul(h)),f=y.sub(m.mul(p));var _=b.sub(m.mul(g));if(!r&&c.cmp(l)<0)e=u.neg(),n=p,r=c.neg(),a=f;else if(r&&2==++v)break;u=c,d=h,h=c,y=p,p=f,b=g,g=_}o=c.neg(),s=f;var w=r.sqr().add(a.sqr());return o.sqr().add(s.sqr()).cmp(w)>=0&&(o=e,s=n),r.negative&&(r=r.neg(),a=a.neg()),o.negative&&(o=o.neg(),s=s.neg()),[{a:r,b:a},{a:o,b:s}]},u.prototype._endoSplit=function(t){var e=this.endo.basis,n=e[0],r=e[1],i=r.b.mul(t).divRound(this.n),a=n.b.neg().mul(t).divRound(this.n),o=i.mul(n.a),s=a.mul(r.a),u=i.mul(n.b),c=a.mul(r.b);return{k1:t.sub(o).sub(s),k2:u.add(c).neg()}},u.prototype.pointFromX=function(t,e){(t=new i(t,16)).red||(t=t.toRed(this.red));var n=t.redSqr().redMul(t).redIAdd(t.redMul(this.a)).redIAdd(this.b),r=n.redSqrt();if(0!==r.redSqr().redSub(n).cmp(this.zero))throw new Error("invalid point");var a=r.fromRed().isOdd();return(e&&!a||!e&&a)&&(r=r.redNeg()),this.point(t,r)},u.prototype.validate=function(t){if(t.inf)return!0;var e=t.x,n=t.y,r=this.a.redMul(e),i=e.redSqr().redMul(e).redIAdd(r).redIAdd(this.b);return 0===n.redSqr().redISub(i).cmpn(0)},u.prototype._endoWnafMulAdd=function(t,e,n){for(var r=this._endoWnafT1,i=this._endoWnafT2,a=0;a<t.length;a++){var o=this._endoSplit(e[a]),s=t[a],u=s._getBeta();o.k1.negative&&(o.k1.ineg(),s=s.neg(!0)),o.k2.negative&&(o.k2.ineg(),u=u.neg(!0)),r[2*a]=s,r[2*a+1]=u,i[2*a]=o.k1,i[2*a+1]=o.k2}for(var c=this._wnafMulAdd(1,r,i,2*a,n),f=0;f<2*a;f++)r[f]=null,i[f]=null;return c},a(c,o.BasePoint),u.prototype.point=function(t,e,n){return new c(this,t,e,n)},u.prototype.pointFromJSON=function(t,e){return c.fromJSON(this,t,e)},c.prototype._getBeta=function(){if(this.curve.endo){var t=this.precomputed;if(t&&t.beta)return t.beta;var e=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(t){var n=this.curve,r=function(t){return n.point(t.x.redMul(n.endo.beta),t.y)};t.beta=e,e.precomputed={beta:null,naf:t.naf&&{wnd:t.naf.wnd,points:t.naf.points.map(r)},doubles:t.doubles&&{step:t.doubles.step,points:t.doubles.points.map(r)}}}return e}},c.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},c.fromJSON=function(t,e,n){"string"==typeof e&&(e=JSON.parse(e));var r=t.point(e[0],e[1],n);if(!e[2])return r;function i(e){return t.point(e[0],e[1],n)}var a=e[2];return r.precomputed={beta:null,doubles:a.doubles&&{step:a.doubles.step,points:[r].concat(a.doubles.points.map(i))},naf:a.naf&&{wnd:a.naf.wnd,points:[r].concat(a.naf.points.map(i))}},r},c.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},c.prototype.isInfinity=function(){return this.inf},c.prototype.add=function(t){if(this.inf)return t;if(t.inf)return this;if(this.eq(t))return this.dbl();if(this.neg().eq(t))return this.curve.point(null,null);if(0===this.x.cmp(t.x))return this.curve.point(null,null);var e=this.y.redSub(t.y);0!==e.cmpn(0)&&(e=e.redMul(this.x.redSub(t.x).redInvm()));var n=e.redSqr().redISub(this.x).redISub(t.x),r=e.redMul(this.x.redSub(n)).redISub(this.y);return this.curve.point(n,r)},c.prototype.dbl=function(){if(this.inf)return this;var t=this.y.redAdd(this.y);if(0===t.cmpn(0))return this.curve.point(null,null);var e=this.curve.a,n=this.x.redSqr(),r=t.redInvm(),i=n.redAdd(n).redIAdd(n).redIAdd(e).redMul(r),a=i.redSqr().redISub(this.x.redAdd(this.x)),o=i.redMul(this.x.redSub(a)).redISub(this.y);return this.curve.point(a,o)},c.prototype.getX=function(){return this.x.fromRed()},c.prototype.getY=function(){return this.y.fromRed()},c.prototype.mul=function(t){return t=new i(t,16),this.isInfinity()?this:this._hasDoubles(t)?this.curve._fixedNafMul(this,t):this.curve.endo?this.curve._endoWnafMulAdd([this],[t]):this.curve._wnafMul(this,t)},c.prototype.mulAdd=function(t,e,n){var r=[this,e],i=[t,n];return this.curve.endo?this.curve._endoWnafMulAdd(r,i):this.curve._wnafMulAdd(1,r,i,2)},c.prototype.jmulAdd=function(t,e,n){var r=[this,e],i=[t,n];return this.curve.endo?this.curve._endoWnafMulAdd(r,i,!0):this.curve._wnafMulAdd(1,r,i,2,!0)},c.prototype.eq=function(t){return this===t||this.inf===t.inf&&(this.inf||0===this.x.cmp(t.x)&&0===this.y.cmp(t.y))},c.prototype.neg=function(t){if(this.inf)return this;var e=this.curve.point(this.x,this.y.redNeg());if(t&&this.precomputed){var n=this.precomputed,r=function(t){return t.neg()};e.precomputed={naf:n.naf&&{wnd:n.naf.wnd,points:n.naf.points.map(r)},doubles:n.doubles&&{step:n.doubles.step,points:n.doubles.points.map(r)}}}return e},c.prototype.toJ=function(){return this.inf?this.curve.jpoint(null,null,null):this.curve.jpoint(this.x,this.y,this.curve.one)},a(f,o.BasePoint),u.prototype.jpoint=function(t,e,n){return new f(this,t,e,n)},f.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var t=this.z.redInvm(),e=t.redSqr(),n=this.x.redMul(e),r=this.y.redMul(e).redMul(t);return this.curve.point(n,r)},f.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},f.prototype.add=function(t){if(this.isInfinity())return t;if(t.isInfinity())return this;var e=t.z.redSqr(),n=this.z.redSqr(),r=this.x.redMul(e),i=t.x.redMul(n),a=this.y.redMul(e.redMul(t.z)),o=t.y.redMul(n.redMul(this.z)),s=r.redSub(i),u=a.redSub(o);if(0===s.cmpn(0))return 0!==u.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var c=s.redSqr(),f=c.redMul(s),l=r.redMul(c),h=u.redSqr().redIAdd(f).redISub(l).redISub(l),d=u.redMul(l.redISub(h)).redISub(a.redMul(f)),p=this.z.redMul(t.z).redMul(s);return this.curve.jpoint(h,d,p)},f.prototype.mixedAdd=function(t){if(this.isInfinity())return t.toJ();if(t.isInfinity())return this;var e=this.z.redSqr(),n=this.x,r=t.x.redMul(e),i=this.y,a=t.y.redMul(e).redMul(this.z),o=n.redSub(r),s=i.redSub(a);if(0===o.cmpn(0))return 0!==s.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var u=o.redSqr(),c=u.redMul(o),f=n.redMul(u),l=s.redSqr().redIAdd(c).redISub(f).redISub(f),h=s.redMul(f.redISub(l)).redISub(i.redMul(c)),d=this.z.redMul(o);return this.curve.jpoint(l,h,d)},f.prototype.dblp=function(t){if(0===t)return this;if(this.isInfinity())return this;if(!t)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var e=this,n=0;n<t;n++)e=e.dbl();return e}var r=this.curve.a,i=this.curve.tinv,a=this.x,o=this.y,s=this.z,u=s.redSqr().redSqr(),c=o.redAdd(o);for(n=0;n<t;n++){var f=a.redSqr(),l=c.redSqr(),h=l.redSqr(),d=f.redAdd(f).redIAdd(f).redIAdd(r.redMul(u)),p=a.redMul(l),g=d.redSqr().redISub(p.redAdd(p)),y=p.redISub(g),b=d.redMul(y);b=b.redIAdd(b).redISub(h);var v=c.redMul(s);n+1<t&&(u=u.redMul(h)),a=g,s=v,c=b}return this.curve.jpoint(a,c.redMul(i),s)},f.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},f.prototype._zeroDbl=function(){var t,e,n;if(this.zOne){var r=this.x.redSqr(),i=this.y.redSqr(),a=i.redSqr(),o=this.x.redAdd(i).redSqr().redISub(r).redISub(a);o=o.redIAdd(o);var s=r.redAdd(r).redIAdd(r),u=s.redSqr().redISub(o).redISub(o),c=a.redIAdd(a);c=(c=c.redIAdd(c)).redIAdd(c),t=u,e=s.redMul(o.redISub(u)).redISub(c),n=this.y.redAdd(this.y)}else{var f=this.x.redSqr(),l=this.y.redSqr(),h=l.redSqr(),d=this.x.redAdd(l).redSqr().redISub(f).redISub(h);d=d.redIAdd(d);var p=f.redAdd(f).redIAdd(f),g=p.redSqr(),y=h.redIAdd(h);y=(y=y.redIAdd(y)).redIAdd(y),t=g.redISub(d).redISub(d),e=p.redMul(d.redISub(t)).redISub(y),n=(n=this.y.redMul(this.z)).redIAdd(n)}return this.curve.jpoint(t,e,n)},f.prototype._threeDbl=function(){var t,e,n;if(this.zOne){var r=this.x.redSqr(),i=this.y.redSqr(),a=i.redSqr(),o=this.x.redAdd(i).redSqr().redISub(r).redISub(a);o=o.redIAdd(o);var s=r.redAdd(r).redIAdd(r).redIAdd(this.curve.a),u=s.redSqr().redISub(o).redISub(o);t=u;var c=a.redIAdd(a);c=(c=c.redIAdd(c)).redIAdd(c),e=s.redMul(o.redISub(u)).redISub(c),n=this.y.redAdd(this.y)}else{var f=this.z.redSqr(),l=this.y.redSqr(),h=this.x.redMul(l),d=this.x.redSub(f).redMul(this.x.redAdd(f));d=d.redAdd(d).redIAdd(d);var p=h.redIAdd(h),g=(p=p.redIAdd(p)).redAdd(p);t=d.redSqr().redISub(g),n=this.y.redAdd(this.z).redSqr().redISub(l).redISub(f);var y=l.redSqr();y=(y=(y=y.redIAdd(y)).redIAdd(y)).redIAdd(y),e=d.redMul(p.redISub(t)).redISub(y)}return this.curve.jpoint(t,e,n)},f.prototype._dbl=function(){var t=this.curve.a,e=this.x,n=this.y,r=this.z,i=r.redSqr().redSqr(),a=e.redSqr(),o=n.redSqr(),s=a.redAdd(a).redIAdd(a).redIAdd(t.redMul(i)),u=e.redAdd(e),c=(u=u.redIAdd(u)).redMul(o),f=s.redSqr().redISub(c.redAdd(c)),l=c.redISub(f),h=o.redSqr();h=(h=(h=h.redIAdd(h)).redIAdd(h)).redIAdd(h);var d=s.redMul(l).redISub(h),p=n.redAdd(n).redMul(r);return this.curve.jpoint(f,d,p)},f.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var t=this.x.redSqr(),e=this.y.redSqr(),n=this.z.redSqr(),r=e.redSqr(),i=t.redAdd(t).redIAdd(t),a=i.redSqr(),o=this.x.redAdd(e).redSqr().redISub(t).redISub(r),s=(o=(o=(o=o.redIAdd(o)).redAdd(o).redIAdd(o)).redISub(a)).redSqr(),u=r.redIAdd(r);u=(u=(u=u.redIAdd(u)).redIAdd(u)).redIAdd(u);var c=i.redIAdd(o).redSqr().redISub(a).redISub(s).redISub(u),f=e.redMul(c);f=(f=f.redIAdd(f)).redIAdd(f);var l=this.x.redMul(s).redISub(f);l=(l=l.redIAdd(l)).redIAdd(l);var h=this.y.redMul(c.redMul(u.redISub(c)).redISub(o.redMul(s)));h=(h=(h=h.redIAdd(h)).redIAdd(h)).redIAdd(h);var d=this.z.redAdd(o).redSqr().redISub(n).redISub(s);return this.curve.jpoint(l,h,d)},f.prototype.mul=function(t,e){return t=new i(t,e),this.curve._wnafMul(this,t)},f.prototype.eq=function(t){if("affine"===t.type)return this.eq(t.toJ());if(this===t)return!0;var e=this.z.redSqr(),n=t.z.redSqr();if(0!==this.x.redMul(n).redISub(t.x.redMul(e)).cmpn(0))return!1;var r=e.redMul(this.z),i=n.redMul(t.z);return 0===this.y.redMul(i).redISub(t.y.redMul(r)).cmpn(0)},f.prototype.eqXToP=function(t){var e=this.z.redSqr(),n=t.toRed(this.curve.red).redMul(e);if(0===this.x.cmp(n))return!0;for(var r=t.clone(),i=this.curve.redN.redMul(e);;){if(r.iadd(this.curve.n),r.cmp(this.curve.p)>=0)return!1;if(n.redIAdd(i),0===this.x.cmp(n))return!0}},f.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},f.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},function(t,e,n){"use strict";var r=n(5),i=n(2),a=n(81),o=n(17);function s(t){a.call(this,"mont",t),this.a=new r(t.a,16).toRed(this.red),this.b=new r(t.b,16).toRed(this.red),this.i4=new r(4).toRed(this.red).redInvm(),this.two=new r(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function u(t,e,n){a.BasePoint.call(this,t,"projective"),null===e&&null===n?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new r(e,16),this.z=new r(n,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}i(s,a),t.exports=s,s.prototype.validate=function(t){var e=t.normalize().x,n=e.redSqr(),r=n.redMul(e).redAdd(n.redMul(this.a)).redAdd(e);return 0===r.redSqrt().redSqr().cmp(r)},i(u,a.BasePoint),s.prototype.decodePoint=function(t,e){return this.point(o.toArray(t,e),1)},s.prototype.point=function(t,e){return new u(this,t,e)},s.prototype.pointFromJSON=function(t){return u.fromJSON(this,t)},u.prototype.precompute=function(){},u.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},u.fromJSON=function(t,e){return new u(t,e[0],e[1]||t.one)},u.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},u.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},u.prototype.dbl=function(){var t=this.x.redAdd(this.z).redSqr(),e=this.x.redSub(this.z).redSqr(),n=t.redSub(e),r=t.redMul(e),i=n.redMul(e.redAdd(this.curve.a24.redMul(n)));return this.curve.point(r,i)},u.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},u.prototype.diffAdd=function(t,e){var n=this.x.redAdd(this.z),r=this.x.redSub(this.z),i=t.x.redAdd(t.z),a=t.x.redSub(t.z).redMul(n),o=i.redMul(r),s=e.z.redMul(a.redAdd(o).redSqr()),u=e.x.redMul(a.redISub(o).redSqr());return this.curve.point(s,u)},u.prototype.mul=function(t){for(var e=t.clone(),n=this,r=this.curve.point(null,null),i=[];0!==e.cmpn(0);e.iushrn(1))i.push(e.andln(1));for(var a=i.length-1;a>=0;a--)0===i[a]?(n=n.diffAdd(r,this),r=r.dbl()):(r=n.diffAdd(r,this),n=n.dbl());return r},u.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},u.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},u.prototype.eq=function(t){return 0===this.getX().cmp(t.getX())},u.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},u.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},function(t,e,n){"use strict";var r=n(17),i=n(5),a=n(2),o=n(81),s=r.assert;function u(t){this.twisted=1!=(0|t.a),this.mOneA=this.twisted&&-1==(0|t.a),this.extended=this.mOneA,o.call(this,"edwards",t),this.a=new i(t.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new i(t.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new i(t.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),s(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|t.c)}function c(t,e,n,r,a){o.BasePoint.call(this,t,"projective"),null===e&&null===n&&null===r?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new i(e,16),this.y=new i(n,16),this.z=r?new i(r,16):this.curve.one,this.t=a&&new 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strict";var r=n(5),i=n(475),a=n(17),o=n(126),s=n(123),u=a.assert,c=n(476),f=n(477);function l(t){if(!(this instanceof l))return new l(t);"string"==typeof t&&(u(o.hasOwnProperty(t),"Unknown curve "+t),t=o[t]),t instanceof o.PresetCurve&&(t={curve:t}),this.curve=t.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=t.curve.g,this.g.precompute(t.curve.n.bitLength()+1),this.hash=t.hash||t.curve.hash}t.exports=l,l.prototype.keyPair=function(t){return new c(this,t)},l.prototype.keyFromPrivate=function(t,e){return c.fromPrivate(this,t,e)},l.prototype.keyFromPublic=function(t,e){return c.fromPublic(this,t,e)},l.prototype.genKeyPair=function(t){t||(t={});for(var e=new i({hash:this.hash,pers:t.pers,persEnc:t.persEnc||"utf8",entropy:t.entropy||s(this.hash.hmacStrength),entropyEnc:t.entropy&&t.entropyEnc||"utf8",nonce:this.n.toArray()}),n=this.n.byteLength(),a=this.n.sub(new r(2));;){var o=new r(e.generate(n));if(!(o.cmp(a)>0))return o.iaddn(1),this.keyFromPrivate(o)}},l.prototype._truncateToN=function(t,e){var n=8*t.byteLength()-this.n.bitLength();return n>0&&(t=t.ushrn(n)),!e&&t.cmp(this.n)>=0?t.sub(this.n):t},l.prototype.sign=function(t,e,n,a){"object"==typeof n&&(a=n,n=null),a||(a={}),e=this.keyFromPrivate(e,n),t=this._truncateToN(new r(t,16));for(var o=this.n.byteLength(),s=e.getPrivate().toArray("be",o),u=t.toArray("be",o),c=new i({hash:this.hash,entropy:s,nonce:u,pers:a.pers,persEnc:a.persEnc||"utf8"}),l=this.n.sub(new r(1)),h=0;;h++){var d=a.k?a.k(h):new r(c.generate(this.n.byteLength()));if(!((d=this._truncateToN(d,!0)).cmpn(1)<=0||d.cmp(l)>=0)){var p=this.g.mul(d);if(!p.isInfinity()){var g=p.getX(),y=g.umod(this.n);if(0!==y.cmpn(0)){var b=d.invm(this.n).mul(y.mul(e.getPrivate()).iadd(t));if(0!==(b=b.umod(this.n)).cmpn(0)){var v=(p.getY().isOdd()?1:0)|(0!==g.cmp(y)?2:0);return a.canonical&&b.cmp(this.nh)>0&&(b=this.n.sub(b),v^=1),new f({r:y,s:b,recoveryParam:v})}}}}}},l.prototype.verify=function(t,e,n,i){t=this._truncateToN(new r(t,16)),n=this.keyFromPublic(n,i);var a=(e=new f(e,"hex")).r,o=e.s;if(a.cmpn(1)<0||a.cmp(this.n)>=0)return!1;if(o.cmpn(1)<0||o.cmp(this.n)>=0)return!1;var s,u=o.invm(this.n),c=u.mul(t).umod(this.n),l=u.mul(a).umod(this.n);return this.curve._maxwellTrick?!(s=this.g.jmulAdd(c,n.getPublic(),l)).isInfinity()&&s.eqXToP(a):!(s=this.g.mulAdd(c,n.getPublic(),l)).isInfinity()&&0===s.getX().umod(this.n).cmp(a)},l.prototype.recoverPubKey=function(t,e,n,i){u((3&n)===n,"The recovery param is more than two bits"),e=new f(e,i);var a=this.n,o=new r(t),s=e.r,c=e.s,l=1&n,h=n>>1;if(s.cmp(this.curve.p.umod(this.curve.n))>=0&&h)throw new Error("Unable to find sencond key candinate");s=h?this.curve.pointFromX(s.add(this.curve.n),l):this.curve.pointFromX(s,l);var d=e.r.invm(a),p=a.sub(o).mul(d).umod(a),g=c.mul(d).umod(a);return this.g.mulAdd(p,s,g)},l.prototype.getKeyRecoveryParam=function(t,e,n,r){if(null!==(e=new f(e,r)).recoveryParam)return e.recoveryParam;for(var i=0;i<4;i++){var a;try{a=this.recoverPubKey(t,e,i)}catch(t){continue}if(a.eq(n))return i}throw new Error("Unable to find valid recovery factor")}},function(t,e,n){"use strict";var r=n(127),i=n(215),a=n(16);function o(t){if(!(this instanceof o))return new o(t);this.hash=t.hash,this.predResist=!!t.predResist,this.outLen=this.hash.outSize,this.minEntropy=t.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var e=i.toArray(t.entropy,t.entropyEnc||"hex"),n=i.toArray(t.nonce,t.nonceEnc||"hex"),r=i.toArray(t.pers,t.persEnc||"hex");a(e.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(e,n,r)}t.exports=o,o.prototype._init=function(t,e,n){var r=t.concat(e).concat(n);this.K=new Array(this.outLen/8),this.V=new Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(r),this._reseed=1,this.reseedInterval=281474976710656},o.prototype._hmac=function(){return new r.hmac(this.hash,this.K)},o.prototype._update=function(t){var e=this._hmac().update(this.V).update([0]);t&&(e=e.update(t)),this.K=e.digest(),this.V=this._hmac().update(this.V).digest(),t&&(this.K=this._hmac().update(this.V).update([1]).update(t).digest(),this.V=this._hmac().update(this.V).digest())},o.prototype.reseed=function(t,e,n,r){"string"!=typeof e&&(r=n,n=e,e=null),t=i.toArray(t,e),n=i.toArray(n,r),a(t.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(t.concat(n||[])),this._reseed=1},o.prototype.generate=function(t,e,n,r){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof e&&(r=n,n=e,e=null),n&&(n=i.toArray(n,r||"hex"),this._update(n));for(var a=[];a.length<t;)this.V=this._hmac().update(this.V).digest(),a=a.concat(this.V);var o=a.slice(0,t);return this._update(n),this._reseed++,i.encode(o,e)}},function(t,e,n){"use strict";var r=n(5),i=n(17).assert;function a(t,e){this.ec=t,this.priv=null,this.pub=null,e.priv&&this._importPrivate(e.priv,e.privEnc),e.pub&&this._importPublic(e.pub,e.pubEnc)}t.exports=a,a.fromPublic=function(t,e,n){return e instanceof a?e:new a(t,{pub:e,pubEnc:n})},a.fromPrivate=function(t,e,n){return e instanceof a?e:new a(t,{priv:e,privEnc:n})},a.prototype.validate=function(){var t=this.getPublic();return t.isInfinity()?{result:!1,reason:"Invalid public key"}:t.validate()?t.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},a.prototype.getPublic=function(t,e){return"string"==typeof t&&(e=t,t=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),e?this.pub.encode(e,t):this.pub},a.prototype.getPrivate=function(t){return"hex"===t?this.priv.toString(16,2):this.priv},a.prototype._importPrivate=function(t,e){this.priv=new r(t,e||16),this.priv=this.priv.umod(this.ec.curve.n)},a.prototype._importPublic=function(t,e){if(t.x||t.y)return"mont"===this.ec.curve.type?i(t.x,"Need x coordinate"):"short"!==this.ec.curve.type&&"edwards"!==this.ec.curve.type||i(t.x&&t.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(t.x,t.y));this.pub=this.ec.curve.decodePoint(t,e)},a.prototype.derive=function(t){return t.mul(this.priv).getX()},a.prototype.sign=function(t,e,n){return this.ec.sign(t,this,e,n)},a.prototype.verify=function(t,e){return this.ec.verify(t,e,this)},a.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},function(t,e,n){"use strict";var r=n(5),i=n(17),a=i.assert;function o(t,e){if(t instanceof o)return t;this._importDER(t,e)||(a(t.r&&t.s,"Signature without r or s"),this.r=new r(t.r,16),this.s=new r(t.s,16),void 0===t.recoveryParam?this.recoveryParam=null:this.recoveryParam=t.recoveryParam)}function s(){this.place=0}function u(t,e){var n=t[e.place++];if(!(128&n))return n;for(var r=15&n,i=0,a=0,o=e.place;a<r;a++,o++)i<<=8,i|=t[o];return e.place=o,i}function c(t){for(var e=0,n=t.length-1;!t[e]&&!(128&t[e+1])&&e<n;)e++;return 0===e?t:t.slice(e)}function f(t,e){if(e<128)t.push(e);else{var n=1+(Math.log(e)/Math.LN2>>>3);for(t.push(128|n);--n;)t.push(e>>>(n<<3)&255);t.push(e)}}t.exports=o,o.prototype._importDER=function(t,e){t=i.toArray(t,e);var n=new s;if(48!==t[n.place++])return!1;if(u(t,n)+n.place!==t.length)return!1;if(2!==t[n.place++])return!1;var a=u(t,n),o=t.slice(n.place,a+n.place);if(n.place+=a,2!==t[n.place++])return!1;var c=u(t,n);if(t.length!==c+n.place)return!1;var f=t.slice(n.place,c+n.place);return 0===o[0]&&128&o[1]&&(o=o.slice(1)),0===f[0]&&128&f[1]&&(f=f.slice(1)),this.r=new r(o),this.s=new r(f),this.recoveryParam=null,!0},o.prototype.toDER=function(t){var e=this.r.toArray(),n=this.s.toArray();for(128&e[0]&&(e=[0].concat(e)),128&n[0]&&(n=[0].concat(n)),e=c(e),n=c(n);!(n[0]||128&n[1]);)n=n.slice(1);var r=[2];f(r,e.length),(r=r.concat(e)).push(2),f(r,n.length);var a=r.concat(n),o=[48];return f(o,a.length),o=o.concat(a),i.encode(o,t)}},function(t,e,n){"use strict";var r=n(127),i=n(126),a=n(17),o=a.assert,s=a.parseBytes,u=n(479),c=n(480);function f(t){if(o("ed25519"===t,"only tested with ed25519 so far"),!(this instanceof f))return new f(t);t=i[t].curve;this.curve=t,this.g=t.g,this.g.precompute(t.n.bitLength()+1),this.pointClass=t.point().constructor,this.encodingLength=Math.ceil(t.n.bitLength()/8),this.hash=r.sha512}t.exports=f,f.prototype.sign=function(t,e){t=s(t);var n=this.keyFromSecret(e),r=this.hashInt(n.messagePrefix(),t),i=this.g.mul(r),a=this.encodePoint(i),o=this.hashInt(a,n.pubBytes(),t).mul(n.priv()),u=r.add(o).umod(this.curve.n);return this.makeSignature({R:i,S:u,Rencoded:a})},f.prototype.verify=function(t,e,n){t=s(t),e=this.makeSignature(e);var r=this.keyFromPublic(n),i=this.hashInt(e.Rencoded(),r.pubBytes(),t),a=this.g.mul(e.S());return e.R().add(r.pub().mul(i)).eq(a)},f.prototype.hashInt=function(){for(var t=this.hash(),e=0;e<arguments.length;e++)t.update(arguments[e]);return a.intFromLE(t.digest()).umod(this.curve.n)},f.prototype.keyFromPublic=function(t){return u.fromPublic(this,t)},f.prototype.keyFromSecret=function(t){return u.fromSecret(this,t)},f.prototype.makeSignature=function(t){return t instanceof c?t:new c(this,t)},f.prototype.encodePoint=function(t){var e=t.getY().toArray("le",this.encodingLength);return e[this.encodingLength-1]|=t.getX().isOdd()?128:0,e},f.prototype.decodePoint=function(t){var e=(t=a.parseBytes(t)).length-1,n=t.slice(0,e).concat(-129&t[e]),r=0!=(128&t[e]),i=a.intFromLE(n);return this.curve.pointFromY(i,r)},f.prototype.encodeInt=function(t){return t.toArray("le",this.encodingLength)},f.prototype.decodeInt=function(t){return a.intFromLE(t)},f.prototype.isPoint=function(t){return t instanceof this.pointClass}},function(t,e,n){"use strict";var r=n(17),i=r.assert,a=r.parseBytes,o=r.cachedProperty;function s(t,e){this.eddsa=t,this._secret=a(e.secret),t.isPoint(e.pub)?this._pub=e.pub:this._pubBytes=a(e.pub)}s.fromPublic=function(t,e){return e instanceof s?e:new s(t,{pub:e})},s.fromSecret=function(t,e){return e instanceof s?e:new s(t,{secret:e})},s.prototype.secret=function(){return this._secret},o(s,"pubBytes",(function(){return this.eddsa.encodePoint(this.pub())})),o(s,"pub",(function(){return this._pubBytes?this.eddsa.decodePoint(this._pubBytes):this.eddsa.g.mul(this.priv())})),o(s,"privBytes",(function(){var t=this.eddsa,e=this.hash(),n=t.encodingLength-1,r=e.slice(0,t.encodingLength);return r[0]&=248,r[n]&=127,r[n]|=64,r})),o(s,"priv",(function(){return this.eddsa.decodeInt(this.privBytes())})),o(s,"hash",(function(){return this.eddsa.hash().update(this.secret()).digest()})),o(s,"messagePrefix",(function(){return this.hash().slice(this.eddsa.encodingLength)})),s.prototype.sign=function(t){return i(this._secret,"KeyPair can only verify"),this.eddsa.sign(t,this)},s.prototype.verify=function(t,e){return this.eddsa.verify(t,e,this)},s.prototype.getSecret=function(t){return i(this._secret,"KeyPair is public only"),r.encode(this.secret(),t)},s.prototype.getPublic=function(t){return r.encode(this.pubBytes(),t)},t.exports=s},function(t,e,n){"use strict";var r=n(5),i=n(17),a=i.assert,o=i.cachedProperty,s=i.parseBytes;function u(t,e){this.eddsa=t,"object"!=typeof e&&(e=s(e)),Array.isArray(e)&&(e={R:e.slice(0,t.encodingLength),S:e.slice(t.encodingLength)}),a(e.R&&e.S,"Signature without R or S"),t.isPoint(e.R)&&(this._R=e.R),e.S instanceof r&&(this._S=e.S),this._Rencoded=Array.isArray(e.R)?e.R:e.Rencoded,this._Sencoded=Array.isArray(e.S)?e.S:e.Sencoded}o(u,"S",(function(){return this.eddsa.decodeInt(this.Sencoded())})),o(u,"R",(function(){return this.eddsa.decodePoint(this.Rencoded())})),o(u,"Rencoded",(function(){return this.eddsa.encodePoint(this.R())})),o(u,"Sencoded",(function(){return this.eddsa.encodeInt(this.S())})),u.prototype.toBytes=function(){return this.Rencoded().concat(this.Sencoded())},u.prototype.toHex=function(){return i.encode(this.toBytes(),"hex").toUpperCase()},t.exports=u},function(t,e,n){"use strict";var r=n(57);e.certificate=n(491);var i=r.define("RSAPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())}));e.RSAPrivateKey=i;var a=r.define("RSAPublicKey",(function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())}));e.RSAPublicKey=a;var o=r.define("SubjectPublicKeyInfo",(function(){this.seq().obj(this.key("algorithm").use(s),this.key("subjectPublicKey").bitstr())}));e.PublicKey=o;var s=r.define("AlgorithmIdentifier",(function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())})),u=r.define("PrivateKeyInfo",(function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(s),this.key("subjectPrivateKey").octstr())}));e.PrivateKey=u;var c=r.define("EncryptedPrivateKeyInfo",(function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())}));e.EncryptedPrivateKey=c;var f=r.define("DSAPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("p").int(),this.key("q").int(),this.key("g").int(),this.key("pub_key").int(),this.key("priv_key").int())}));e.DSAPrivateKey=f,e.DSAparam=r.define("DSAparam",(function(){this.int()}));var l=r.define("ECPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("privateKey").octstr(),this.key("parameters").optional().explicit(0).use(h),this.key("publicKey").optional().explicit(1).bitstr())}));e.ECPrivateKey=l;var h=r.define("ECParameters",(function(){this.choice({namedCurve:this.objid()})}));e.signature=r.define("signature",(function(){this.seq().obj(this.key("r").int(),this.key("s").int())}))},function(t,e,n){var r=n(57),i=n(2);function a(t,e){this.name=t,this.body=e,this.decoders={},this.encoders={}}e.define=function(t,e){return new a(t,e)},a.prototype._createNamed=function(t){var e;try{e=n(483).runInThisContext("(function "+this.name+"(entity) {\n  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r=n(58).Reporter,i=n(58).EncoderBuffer,a=n(58).DecoderBuffer,o=n(16),s=["seq","seqof","set","setof","objid","bool","gentime","utctime","null_","enum","int","objDesc","bitstr","bmpstr","charstr","genstr","graphstr","ia5str","iso646str","numstr","octstr","printstr","t61str","unistr","utf8str","videostr"],u=["key","obj","use","optional","explicit","implicit","def","choice","any","contains"].concat(s);function c(t,e){var n={};this._baseState=n,n.enc=t,n.parent=e||null,n.children=null,n.tag=null,n.args=null,n.reverseArgs=null,n.choice=null,n.optional=!1,n.any=!1,n.obj=!1,n.use=null,n.useDecoder=null,n.key=null,n.default=null,n.explicit=null,n.implicit=null,n.contains=null,n.parent||(n.children=[],this._wrap())}t.exports=c;var f=["enc","parent","children","tag","args","reverseArgs","choice","optional","any","obj","use","alteredUse","key","default","explicit","implicit","contains"];c.prototype.clone=function(){var t=this._baseState,e={};f.forEach((function(n){e[n]=t[n]}));var n=new 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r=t[n];e[r]=n})),e})))},["_peekTag","_decodeTag","_use","_decodeStr","_decodeObjid","_decodeTime","_decodeNull","_decodeInt","_decodeBool","_decodeList","_encodeComposite","_encodeStr","_encodeObjid","_encodeTime","_encodeNull","_encodeInt","_encodeBool"].forEach((function(t){c.prototype[t]=function(){var e=this._baseState;throw new Error(t+" not implemented for encoding: "+e.enc)}})),s.forEach((function(t){c.prototype[t]=function(){var e=this._baseState,n=Array.prototype.slice.call(arguments);return o(null===e.tag),e.tag=t,this._useArgs(n),this}})),c.prototype.use=function(t){o(t);var e=this._baseState;return o(null===e.use),e.use=t,this},c.prototype.optional=function(){return this._baseState.optional=!0,this},c.prototype.def=function(t){var e=this._baseState;return o(null===e.default),e.default=t,e.optional=!0,this},c.prototype.explicit=function(t){var e=this._baseState;return o(null===e.explicit&&null===e.implicit),e.explicit=t,this},c.prototype.implicit=function(t){var e=this._baseState;return o(null===e.explicit&&null===e.implicit),e.implicit=t,this},c.prototype.obj=function(){var t=this._baseState,e=Array.prototype.slice.call(arguments);return t.obj=!0,0!==e.length&&this._useArgs(e),this},c.prototype.key=function(t){var e=this._baseState;return o(null===e.key),e.key=t,this},c.prototype.any=function(){return this._baseState.any=!0,this},c.prototype.choice=function(t){var e=this._baseState;return o(null===e.choice),e.choice=t,this._useArgs(Object.keys(t).map((function(e){return t[e]}))),this},c.prototype.contains=function(t){var e=this._baseState;return o(null===e.use),e.contains=t,this},c.prototype._decode=function(t,e){var n=this._baseState;if(null===n.parent)return t.wrapResult(n.children[0]._decode(t,e));var r,i=n.default,o=!0,s=null;if(null!==n.key&&(s=t.enterKey(n.key)),n.optional){var u=null;if(null!==n.explicit?u=n.explicit:null!==n.implicit?u=n.implicit:null!==n.tag&&(u=n.tag),null!==u||n.any){if(o=this._peekTag(t,u,n.any),t.isError(o))return o}else{var c=t.save();try{null===n.choice?this._decodeGeneric(n.tag,t,e):this._decodeChoice(t,e),o=!0}catch(t){o=!1}t.restore(c)}}if(n.obj&&o&&(r=t.enterObject()),o){if(null!==n.explicit){var f=this._decodeTag(t,n.explicit);if(t.isError(f))return f;t=f}var l=t.offset;if(null===n.use&&null===n.choice){if(n.any)c=t.save();var h=this._decodeTag(t,null!==n.implicit?n.implicit:n.tag,n.any);if(t.isError(h))return h;n.any?i=t.raw(c):t=h}if(e&&e.track&&null!==n.tag&&e.track(t.path(),l,t.length,"tagged"),e&&e.track&&null!==n.tag&&e.track(t.path(),t.offset,t.length,"content"),i=n.any?i:null===n.choice?this._decodeGeneric(n.tag,t,e):this._decodeChoice(t,e),t.isError(i))return i;if(n.any||null!==n.choice||null===n.children||n.children.forEach((function(n){n._decode(t,e)})),n.contains&&("octstr"===n.tag||"bitstr"===n.tag)){var d=new a(i);i=this._getUse(n.contains,t._reporterState.obj)._decode(d,e)}}return n.obj&&o&&(i=t.leaveObject(r)),null===n.key||null===i&&!0!==o?null!==s&&t.exitKey(s):t.leaveKey(s,n.key,i),i},c.prototype._decodeGeneric=function(t,e,n){var r=this._baseState;return"seq"===t||"set"===t?null:"seqof"===t||"setof"===t?this._decodeList(e,t,r.args[0],n):/str$/.test(t)?this._decodeStr(e,t,n):"objid"===t&&r.args?this._decodeObjid(e,r.args[0],r.args[1],n):"objid"===t?this._decodeObjid(e,null,null,n):"gentime"===t||"utctime"===t?this._decodeTime(e,t,n):"null_"===t?this._decodeNull(e,n):"bool"===t?this._decodeBool(e,n):"objDesc"===t?this._decodeStr(e,t,n):"int"===t||"enum"===t?this._decodeInt(e,r.args&&r.args[0],n):null!==r.use?this._getUse(r.use,e._reporterState.obj)._decode(e,n):e.error("unknown tag: "+t)},c.prototype._getUse=function(t,e){var n=this._baseState;return n.useDecoder=this._use(t,e),o(null===n.useDecoder._baseState.parent),n.useDecoder=n.useDecoder._baseState.children[0],n.implicit!==n.useDecoder._baseState.implicit&&(n.useDecoder=n.useDecoder.clone(),n.useDecoder._baseState.implicit=n.implicit),n.useDecoder},c.prototype._decodeChoice=function(t,e){var n=this._baseState,r=null,i=!1;return Object.keys(n.choice).some((function(a){var o=t.save(),s=n.choice[a];try{var u=s._decode(t,e);if(t.isError(u))return!1;r={type:a,value:u},i=!0}catch(e){return t.restore(o),!1}return!0}),this),i?r:t.error("Choice not matched")},c.prototype._createEncoderBuffer=function(t){return new i(t,this.reporter)},c.prototype._encode=function(t,e,n){var r=this._baseState;if(null===r.default||r.default!==t){var i=this._encodeValue(t,e,n);if(void 0!==i&&!this._skipDefault(i,e,n))return i}},c.prototype._encodeValue=function(t,e,n){var i=this._baseState;if(null===i.parent)return i.children[0]._encode(t,e||new r);var a=null;if(this.reporter=e,i.optional&&void 0===t){if(null===i.default)return;t=i.default}var o=null,s=!1;if(i.any)a=this._createEncoderBuffer(t);else if(i.choice)a=this._encodeChoice(t,e);else if(i.contains)o=this._getUse(i.contains,n)._encode(t,e),s=!0;else if(i.children)o=i.children.map((function(n){if("null_"===n._baseState.tag)return n._encode(null,e,t);if(null===n._baseState.key)return e.error("Child should have a key");var r=e.enterKey(n._baseState.key);if("object"!=typeof t)return e.error("Child expected, but input is not object");var i=n._encode(t[n._baseState.key],e,t);return e.leaveKey(r),i}),this).filter((function(t){return t})),o=this._createEncoderBuffer(o);else if("seqof"===i.tag||"setof"===i.tag){if(!i.args||1!==i.args.length)return e.error("Too many args for : "+i.tag);if(!Array.isArray(t))return e.error("seqof/setof, but data is not Array");var u=this.clone();u._baseState.implicit=null,o=this._createEncoderBuffer(t.map((function(n){var r=this._baseState;return this._getUse(r.args[0],t)._encode(n,e)}),u))}else null!==i.use?a=this._getUse(i.use,n)._encode(t,e):(o=this._encodePrimitive(i.tag,t),s=!0);if(!i.any&&null===i.choice){var c=null!==i.implicit?i.implicit:i.tag,f=null===i.implicit?"universal":"context";null===c?null===i.use&&e.error("Tag could be omitted only for .use()"):null===i.use&&(a=this._encodeComposite(c,s,f,o))}return null!==i.explicit&&(a=this._encodeComposite(i.explicit,!1,"context",a)),a},c.prototype._encodeChoice=function(t,e){var n=this._baseState,r=n.choice[t.type];return r||o(!1,t.type+" not found in "+JSON.stringify(Object.keys(n.choice))),r._encode(t.value,e)},c.prototype._encodePrimitive=function(t,e){var n=this._baseState;if(/str$/.test(t))return this._encodeStr(e,t);if("objid"===t&&n.args)return this._encodeObjid(e,n.reverseArgs[0],n.args[1]);if("objid"===t)return this._encodeObjid(e,null,null);if("gentime"===t||"utctime"===t)return this._encodeTime(e,t);if("null_"===t)return this._encodeNull();if("int"===t||"enum"===t)return this._encodeInt(e,n.args&&n.reverseArgs[0]);if("bool"===t)return this._encodeBool(e);if("objDesc"===t)return this._encodeStr(e,t);throw new Error("Unsupported tag: "+t)},c.prototype._isNumstr=function(t){return/^[0-9 ]*$/.test(t)},c.prototype._isPrintstr=function(t){return/^[A-Za-z0-9 '\(\)\+,\-\.\/:=\?]*$/.test(t)}},function(t,e,n){var r=n(221);e.tagClass={0:"universal",1:"application",2:"context",3:"private"},e.tagClassByName=r._reverse(e.tagClass),e.tag={0:"end",1:"bool",2:"int",3:"bitstr",4:"octstr",5:"null_",6:"objid",7:"objDesc",8:"external",9:"real",10:"enum",11:"embed",12:"utf8str",13:"relativeOid",16:"seq",17:"set",18:"numstr",19:"printstr",20:"t61str",21:"videostr",22:"ia5str",23:"utctime",24:"gentime",25:"graphstr",26:"iso646str",27:"genstr",28:"unistr",29:"charstr",30:"bmpstr"},e.tagByName=r._reverse(e.tag)},function(t,e,n){var r=e;r.der=n(222),r.pem=n(488)},function(t,e,n){var r=n(2),i=n(8).Buffer,a=n(222);function o(t){a.call(this,t),this.enc="pem"}r(o,a),t.exports=o,o.prototype.decode=function(t,e){for(var n=t.toString().split(/[\r\n]+/g),r=e.label.toUpperCase(),o=/^-----(BEGIN|END) ([^-]+)-----$/,s=-1,u=-1,c=0;c<n.length;c++){var f=n[c].match(o);if(null!==f&&f[2]===r){if(-1!==s){if("END"!==f[1])break;u=c;break}if("BEGIN"!==f[1])break;s=c}}if(-1===s||-1===u)throw new Error("PEM section not found for: "+r);var l=n.slice(s+1,u).join("");l.replace(/[^a-z0-9\+\/=]+/gi,"");var h=new i(l,"base64");return a.prototype.decode.call(this,h,e)}},function(t,e,n){var r=e;r.der=n(223),r.pem=n(490)},function(t,e,n){var r=n(2),i=n(223);function a(t){i.call(this,t),this.enc="pem"}r(a,i),t.exports=a,a.prototype.encode=function(t,e){for(var n=i.prototype.encode.call(this,t).toString("base64"),r=["-----BEGIN "+e.label+"-----"],a=0;a<n.length;a+=64)r.push(n.slice(a,a+64));return r.push("-----END "+e.label+"-----"),r.join("\n")}},function(t,e,n){"use strict";var r=n(57),i=r.define("Time",(function(){this.choice({utcTime:this.utctime(),generalTime:this.gentime()})})),a=r.define("AttributeTypeValue",(function(){this.seq().obj(this.key("type").objid(),this.key("value").any())})),o=r.define("AlgorithmIdentifier",(function(){this.seq().obj(this.key("algorithm").objid(),this.key("parameters").optional(),this.key("curve").objid().optional())})),s=r.define("SubjectPublicKeyInfo",(function(){this.seq().obj(this.key("algorithm").use(o),this.key("subjectPublicKey").bitstr())})),u=r.define("RelativeDistinguishedName",(function(){this.setof(a)})),c=r.define("RDNSequence",(function(){this.seqof(u)})),f=r.define("Name",(function(){this.choice({rdnSequence:this.use(c)})})),l=r.define("Validity",(function(){this.seq().obj(this.key("notBefore").use(i),this.key("notAfter").use(i))})),h=r.define("Extension",(function(){this.seq().obj(this.key("extnID").objid(),this.key("critical").bool().def(!1),this.key("extnValue").octstr())})),d=r.define("TBSCertificate",(function(){this.seq().obj(this.key("version").explicit(0).int().optional(),this.key("serialNumber").int(),this.key("signature").use(o),this.key("issuer").use(f),this.key("validity").use(l),this.key("subject").use(f),this.key("subjectPublicKeyInfo").use(s),this.key("issuerUniqueID").implicit(1).bitstr().optional(),this.key("subjectUniqueID").implicit(2).bitstr().optional(),this.key("extensions").explicit(3).seqof(h).optional())})),p=r.define("X509Certificate",(function(){this.seq().obj(this.key("tbsCertificate").use(d),this.key("signatureAlgorithm").use(o),this.key("signatureValue").bitstr())}));t.exports=p},function(t){t.exports=JSON.parse('{"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}')},function(t,e,n){var r=/Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r\+\/\=]+)[\n\r]+/m,i=/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m,a=/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r\+\/\=]+)-----END \1-----$/m,o=n(80),s=n(121),u=n(3).Buffer;t.exports=function(t,e){var n,c=t.toString(),f=c.match(r);if(f){var l="aes"+f[1],h=u.from(f[2],"hex"),d=u.from(f[3].replace(/[\r\n]/g,""),"base64"),p=o(e,h.slice(0,8),parseInt(f[1],10)).key,g=[],y=s.createDecipheriv(l,p,h);g.push(y.update(d)),g.push(y.final()),n=u.concat(g)}else{var b=c.match(a);n=new u(b[2].replace(/[\r\n]/g,""),"base64")}return{tag:c.match(i)[1],data:n}}},function(t,e,n){(function(e){var r=n(5),i=n(125).ec,a=n(82),o=n(224);function s(t,e){if(t.cmpn(0)<=0)throw new Error("invalid sig");if(t.cmp(e)>=e)throw new Error("invalid sig")}t.exports=function(t,n,u,c,f){var l=a(u);if("ec"===l.type){if("ecdsa"!==c&&"ecdsa/rsa"!==c)throw new Error("wrong public key type");return function(t,e,n){var r=o[n.data.algorithm.curve.join(".")];if(!r)throw new Error("unknown curve "+n.data.algorithm.curve.join("."));var a=new i(r),s=n.data.subjectPrivateKey.data;return a.verify(e,t,s)}(t,n,l)}if("dsa"===l.type){if("dsa"!==c)throw new Error("wrong public key type");return function(t,e,n){var i=n.data.p,o=n.data.q,u=n.data.g,c=n.data.pub_key,f=a.signature.decode(t,"der"),l=f.s,h=f.r;s(l,o),s(h,o);var d=r.mont(i),p=l.invm(o);return 0===u.toRed(d).redPow(new r(e).mul(p).mod(o)).fromRed().mul(c.toRed(d).redPow(h.mul(p).mod(o)).fromRed()).mod(i).mod(o).cmp(h)}(t,n,l)}if("rsa"!==c&&"ecdsa/rsa"!==c)throw new Error("wrong public key type");n=e.concat([f,n]);for(var h=l.modulus.byteLength(),d=[1],p=0;n.length+d.length+2<h;)d.push(255),p++;d.push(0);for(var g=-1;++g<n.length;)d.push(n[g]);d=new e(d);var y=r.mont(l.modulus);t=(t=new r(t).toRed(y)).redPow(new r(l.publicExponent)),t=new e(t.fromRed().toArray());var b=p<8?1:0;for(h=Math.min(t.length,d.length),t.length!==d.length&&(b=1),g=-1;++g<h;)b|=t[g]^d[g];return 0===b}}).call(this,n(8).Buffer)},function(t,e,n){(function(e){var r=n(125),i=n(5);t.exports=function(t){return new o(t)};var a={secp256k1:{name:"secp256k1",byteLength:32},secp224r1:{name:"p224",byteLength:28},prime256v1:{name:"p256",byteLength:32},prime192v1:{name:"p192",byteLength:24},ed25519:{name:"ed25519",byteLength:32},secp384r1:{name:"p384",byteLength:48},secp521r1:{name:"p521",byteLength:66}};function o(t){this.curveType=a[t],this.curveType||(this.curveType={name:t}),this.curve=new r.ec(this.curveType.name),this.keys=void 0}function s(t,n,r){Array.isArray(t)||(t=t.toArray());var i=new e(t);if(r&&i.length<r){var a=new e(r-i.length);a.fill(0),i=e.concat([a,i])}return n?i.toString(n):i}a.p224=a.secp224r1,a.p256=a.secp256r1=a.prime256v1,a.p192=a.secp192r1=a.prime192v1,a.p384=a.secp384r1,a.p521=a.secp521r1,o.prototype.generateKeys=function(t,e){return this.keys=this.curve.genKeyPair(),this.getPublicKey(t,e)},o.prototype.computeSecret=function(t,n,r){return n=n||"utf8",e.isBuffer(t)||(t=new e(t,n)),s(this.curve.keyFromPublic(t).getPublic().mul(this.keys.getPrivate()).getX(),r,this.curveType.byteLength)},o.prototype.getPublicKey=function(t,e){var n=this.keys.getPublic("compressed"===e,!0);return"hybrid"===e&&(n[n.length-1]%2?n[0]=7:n[0]=6),s(n,t)},o.prototype.getPrivateKey=function(t){return s(this.keys.getPrivate(),t)},o.prototype.setPublicKey=function(t,n){return n=n||"utf8",e.isBuffer(t)||(t=new e(t,n)),this.keys._importPublic(t),this},o.prototype.setPrivateKey=function(t,n){n=n||"utf8",e.isBuffer(t)||(t=new e(t,n));var r=new i(t);return r=r.toString(16),this.keys=this.curve.genKeyPair(),this.keys._importPrivate(r),this}}).call(this,n(8).Buffer)},function(t,e,n){e.publicEncrypt=n(497),e.privateDecrypt=n(498),e.privateEncrypt=function(t,n){return e.publicEncrypt(t,n,!0)},e.publicDecrypt=function(t,n){return e.privateDecrypt(t,n,!0)}},function(t,e,n){var r=n(82),i=n(44),a=n(53),o=n(225),s=n(226),u=n(5),c=n(227),f=n(124),l=n(3).Buffer;t.exports=function(t,e,n){var 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]",o.y=e.sections[n]+1.5*r.boxMargin,St(i,o))}))},drawBackgroundRect:function(t,e){At(t,{x:e.startx,y:e.starty,width:e.stopx-e.startx,height:e.stopy-e.starty,fill:e.fill,class:"rect"}).lower()},insertArrowHead:function(t){t.append("defs").append("marker").attr("id","arrowhead").attr("refX",5).attr("refY",2).attr("markerWidth",6).attr("markerHeight",4).attr("orient","auto").append("path").attr("d","M 0,0 V 4 L6,2 Z")},insertSequenceNumber:function(t){t.append("defs").append("marker").attr("id","sequencenumber").attr("refX",15).attr("refY",15).attr("markerWidth",60).attr("markerHeight",40).attr("orient","auto").append("circle").attr("cx",15).attr("cy",15).attr("r",6)},insertArrowCrossHead:function(t){var e=t.append("defs").append("marker").attr("id","crosshead").attr("markerWidth",15).attr("markerHeight",8).attr("orient","auto").attr("refX",16).attr("refY",4);e.append("path").attr("fill","black").attr("stroke","#000000").style("stroke-dasharray","0, 0").attr("stroke-width","1px").attr("d","M 9,2 V 6 L16,4 Z"),e.append("path").attr("fill","none").attr("stroke","#000000").style("stroke-dasharray","0, 0").attr("stroke-width","1px").attr("d","M 0,1 L 6,7 M 6,1 L 0,7")},getTextObj:Dt,getNoteRect:Ct},Lt=n(1),Bt=n.n(Lt),Ot={},Rt=[],Pt=[],Ft="",qt=!1,jt=function(t,e,n){var r=Ot[t];r&&e===r.name&&null==n||(null==n&&(n=e),Ot[t]={name:e,description:n})},Ut=function(t,e,n,r){if(_.debug("Adding message from="+t+" to="+e+" message="+n+" type="+r),r===zt.ACTIVE_END){var i=function(t){var e=0,n=0;for(e=0;e<Rt.length;e++)Rt[e].type===zt.ACTIVE_START&&Rt[e].from.actor===t&&n++,Rt[e].type===zt.ACTIVE_END&&Rt[e].from.actor===t&&n--;return n}(t.actor);if(_.debug("Adding message from=",Rt,i),i<1){var a=new Error("Trying to inactivate an inactive participant ("+t.actor+")");throw a.hash={text:"->>-",token:"->>-",line:"1",loc:{first_line:1,last_line:1,first_column:1,last_column:1},expected:["'ACTIVE_PARTICIPANT'"]},a}}return Rt.push({from:t,to:e,message:n,type:r}),!0},zt={SOLID:0,DOTTED:1,NOTE:2,SOLID_CROSS:3,DOTTED_CROSS:4,SOLID_OPEN:5,DOTTED_OPEN:6,LOOP_START:10,LOOP_END:11,ALT_START:12,ALT_ELSE:13,ALT_END:14,OPT_START:15,OPT_END:16,ACTIVE_START:17,ACTIVE_END:18,PAR_START:19,PAR_AND:20,PAR_END:21,RECT_START:22,RECT_END:23},Yt=function(t,e,n){var r={actor:t,placement:e,message:n},i=[].concat(t,t);Pt.push(r),Rt.push({from:i[0],to:i[1],message:n,type:zt.NOTE,placement:e})},Vt=function(t){Ft=t},Ht={addActor:jt,addMessage:function(t,e,n,r){Rt.push({from:t,to:e,message:n,answer:r})},addSignal:Ut,enableSequenceNumbers:function(){qt=!0},showSequenceNumbers:function(){return qt},getMessages:function(){return Rt},getActors:function(){return Ot},getActor:function(t){return Ot[t]},getActorKeys:function(){return Object.keys(Ot)},getTitle:function(){return Ft},clear:function(){Ot={},Rt=[]},LINETYPE:zt,ARROWTYPE:{FILLED:0,OPEN:1},PLACEMENT:{LEFTOF:0,RIGHTOF:1,OVER:2},addNote:Yt,setTitle:Vt,apply:function t(e){if(e instanceof Array)e.forEach((function(e){t(e)}));else switch(e.type){case"addActor":jt(e.actor,e.actor,e.description);break;case"activeStart":case"activeEnd":Ut(e.actor,void 0,void 0,e.signalType);break;case"addNote":Yt(e.actor,e.placement,e.text);break;case"addMessage":Ut(e.from,e.to,e.msg,e.signalType);break;case"loopStart":Ut(void 0,void 0,e.loopText,e.signalType);break;case"loopEnd":Ut(void 0,void 0,void 0,e.signalType);break;case"rectStart":Ut(void 0,void 0,e.color,e.signalType);break;case"rectEnd":Ut(void 0,void 0,void 0,e.signalType);break;case"optStart":Ut(void 0,void 0,e.optText,e.signalType);break;case"optEnd":Ut(void 0,void 0,void 0,e.signalType);break;case"altStart":case"else":Ut(void 0,void 0,e.altText,e.signalType);break;case"altEnd":Ut(void 0,void 0,void 0,e.signalType);break;case"setTitle":Vt(e.text);break;case"parStart":case"and":Ut(void 0,void 0,e.parText,e.signalType);break;case"parEnd":Ut(void 0,void 0,void 0,e.signalType)}}};Lt.parser.yy=Ht;var Gt={diagramMarginX:50,diagramMarginY:30,actorMargin:50,width:150,height:65,actorFontSize:14,actorFontFamily:'"Open-Sans", "sans-serif"',boxMargin:10,boxTextMargin:5,noteMargin:10,messageMargin:35,mirrorActors:!1,bottomMarginAdj:1,activationWidth:10,textPlacement:"tspan",showSequenceNumbers:!1},$t={data:{startx:void 0,stopx:void 0,starty:void 0,stopy:void 0},verticalPos:0,sequenceItems:[],activations:[],init:function(){this.sequenceItems=[],this.activations=[],this.data={startx:void 0,stopx:void 0,starty:void 0,stopy:void 0},this.verticalPos=0},updateVal:function(t,e,n,r){void 0===t[e]?t[e]=n:t[e]=r(n,t[e])},updateBounds:function(t,e,n,r){var i=this,a=0;function o(o){return function(s){a++;var u=i.sequenceItems.length-a+1;i.updateVal(s,"starty",e-u*Gt.boxMargin,Math.min),i.updateVal(s,"stopy",r+u*Gt.boxMargin,Math.max),i.updateVal($t.data,"startx",t-u*Gt.boxMargin,Math.min),i.updateVal($t.data,"stopx",n+u*Gt.boxMargin,Math.max),"activation"!==o&&(i.updateVal(s,"startx",t-u*Gt.boxMargin,Math.min),i.updateVal(s,"stopx",n+u*Gt.boxMargin,Math.max),i.updateVal($t.data,"starty",e-u*Gt.boxMargin,Math.min),i.updateVal($t.data,"stopy",r+u*Gt.boxMargin,Math.max))}}this.sequenceItems.forEach(o()),this.activations.forEach(o("activation"))},insert:function(t,e,n,r){var i=Math.min(t,n),a=Math.max(t,n),o=Math.min(e,r),s=Math.max(e,r);this.updateVal($t.data,"startx",i,Math.min),this.updateVal($t.data,"starty",o,Math.min),this.updateVal($t.data,"stopx",a,Math.max),this.updateVal($t.data,"stopy",s,Math.max),this.updateBounds(i,o,a,s)},newActivation:function(t,e){var n=Lt.parser.yy.getActors()[t.from.actor],r=Xt(t.from.actor).length,i=n.x+Gt.width/2+(r-1)*Gt.activationWidth/2;this.activations.push({startx:i,starty:this.verticalPos+2,stopx:i+Gt.activationWidth,stopy:void 0,actor:t.from.actor,anchored:It.anchorElement(e)})},endActivation:function(t){var e=this.activations.map((function(t){return t.actor})).lastIndexOf(t.from.actor);return this.activations.splice(e,1)[0]},newLoop:function(t,e){this.sequenceItems.push({startx:void 0,starty:this.verticalPos,stopx:void 0,stopy:void 0,title:t,fill:e})},endLoop:function(){return this.sequenceItems.pop()},addSectionToLoop:function(t){var e=this.sequenceItems.pop();e.sections=e.sections||[],e.sectionTitles=e.sectionTitles||[],e.sections.push($t.getVerticalPos()),e.sectionTitles.push(t),this.sequenceItems.push(e)},bumpVerticalPos:function(t){this.verticalPos=this.verticalPos+t,this.data.stopy=this.verticalPos},getVerticalPos:function(){return this.verticalPos},getBounds:function(){return this.data}},Wt=function(t,e,n,r,i){var a=It.getNoteRect();a.x=e,a.y=n,a.width=i||Gt.width,a.class="note";var o=t.append("g"),s=It.drawRect(o,a),u=function(t,e,n,r,i){var a=0,o=t.split(/<br\s*\/?>/gi),s=!0,u=!1,c=void 0;try{for(var f,l=o[Symbol.iterator]();!(s=(f=l.next()).done);s=!0){var h=f.value,d=It.getTextObj();d.x=e,d.y=n+a,d.textMargin=Gt.noteMargin,d.dy="1em",d.text=h,d.class="noteText";var p=It.drawText(r,d,i);a+=(p._groups||p)[0][0].getBBox().height}}catch(t){u=!0,c=t}finally{try{s||null==l.return||l.return()}finally{if(u)throw c}}return a}(r.message,e-4,n+24,o,a.width-Gt.noteMargin);$t.insert(e,n,e+a.width,n+2*Gt.noteMargin+u),s.attr("height",u+2*Gt.noteMargin),$t.bumpVerticalPos(u+2*Gt.noteMargin)},Kt=function(t,e,n,r){for(var i=0;i<n.length;i++){var a=n[i];e[a].x=i*Gt.actorMargin+i*Gt.width,e[a].y=r,e[a].width=Gt.diagramMarginX,e[a].height=Gt.diagramMarginY,It.drawActor(t,e[a].x,r,e[a].description,Gt),$t.insert(e[a].x,r,e[a].x+Gt.width,Gt.height)}$t.bumpVerticalPos(Gt.height)},Xt=function(t){return $t.activations.filter((function(e){return e.actor===t}))},Zt=function(t){var e=Lt.parser.yy.getActors(),n=Xt(t);return[n.reduce((function(t,e){return Math.min(t,e.startx)}),e[t].x+Gt.width/2),n.reduce((function(t,e){return Math.max(t,e.stopx)}),e[t].x+Gt.width/2)]},Jt=function(t){Object.keys(t).forEach((function(e){Gt[e]=t[e]})),Gt.actorFontFamily=t.fontFamily},Qt=function(t,e){Lt.parser.yy.clear(),Lt.parser.parse(t+"\n"),$t.init();var n,r,i,o=a.select('[id="'.concat(e,'"]')),s=Lt.parser.yy.getActors(),u=Lt.parser.yy.getActorKeys(),c=Lt.parser.yy.getMessages(),f=Lt.parser.yy.getTitle();Kt(o,s,u,0),It.insertArrowHead(o),It.insertArrowCrossHead(o),It.insertSequenceNumber(o);var l=1;c.forEach((function(t){var e;switch(t.type){case Lt.parser.yy.LINETYPE.NOTE:$t.bumpVerticalPos(Gt.boxMargin),n=s[t.from].x,r=s[t.to].x,t.placement===Lt.parser.yy.PLACEMENT.RIGHTOF?Wt(o,n+(Gt.width+Gt.actorMargin)/2,$t.getVerticalPos(),t):t.placement===Lt.parser.yy.PLACEMENT.LEFTOF?Wt(o,n-(Gt.width+Gt.actorMargin)/2,$t.getVerticalPos(),t):t.to===t.from?Wt(o,n,$t.getVerticalPos(),t):(i=Math.abs(n-r)+Gt.actorMargin,Wt(o,(n+r+Gt.width-i)/2,$t.getVerticalPos(),t,i));break;case Lt.parser.yy.LINETYPE.ACTIVE_START:$t.newActivation(t,o);break;case Lt.parser.yy.LINETYPE.ACTIVE_END:!function(t,e){var n=$t.endActivation(t);n.starty+18>e&&(n.starty=e-6,e+=12),It.drawActivation(o,n,e,Gt,Xt(t.from.actor).length),$t.insert(n.startx,e-10,n.stopx,e)}(t,$t.getVerticalPos());break;case Lt.parser.yy.LINETYPE.LOOP_START:$t.bumpVerticalPos(Gt.boxMargin),$t.newLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin+Gt.boxTextMargin);break;case Lt.parser.yy.LINETYPE.LOOP_END:e=$t.endLoop(),It.drawLoop(o,e,"loop",Gt),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.RECT_START:$t.bumpVerticalPos(Gt.boxMargin),$t.newLoop(void 0,t.message),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.RECT_END:var a=$t.endLoop();It.drawBackgroundRect(o,a),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.OPT_START:$t.bumpVerticalPos(Gt.boxMargin),$t.newLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin+Gt.boxTextMargin);break;case Lt.parser.yy.LINETYPE.OPT_END:e=$t.endLoop(),It.drawLoop(o,e,"opt",Gt),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.ALT_START:$t.bumpVerticalPos(Gt.boxMargin),$t.newLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin+Gt.boxTextMargin);break;case Lt.parser.yy.LINETYPE.ALT_ELSE:$t.bumpVerticalPos(Gt.boxMargin),e=$t.addSectionToLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.ALT_END:e=$t.endLoop(),It.drawLoop(o,e,"alt",Gt),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.PAR_START:$t.bumpVerticalPos(Gt.boxMargin),$t.newLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin+Gt.boxTextMargin);break;case Lt.parser.yy.LINETYPE.PAR_AND:$t.bumpVerticalPos(Gt.boxMargin),e=$t.addSectionToLoop(t.message),$t.bumpVerticalPos(Gt.boxMargin);break;case Lt.parser.yy.LINETYPE.PAR_END:e=$t.endLoop(),It.drawLoop(o,e,"par",Gt),$t.bumpVerticalPos(Gt.boxMargin);break;default:try{$t.bumpVerticalPos(Gt.messageMargin);var u=Zt(t.from),c=Zt(t.to),f=u[0]<=c[0]?1:0,h=u[0]<c[0]?0:1;n=u[f],r=c[h];var d=$t.getVerticalPos();!function(t,e,n,r,i,a){var o,s=t.append("g"),u=e+(n-e)/2,c=0,f=i.message.split(/<br\s*\/?>/gi),l=!0,h=!1,d=void 0;try{for(var p,g=f[Symbol.iterator]();!(l=(p=g.next()).done);l=!0){var y=p.value;o=s.append("text").attr("x",u).attr("y",r-7+17*c).style("text-anchor","middle").attr("class","messageText").text(y.trim()),c++}}catch(t){h=!0,d=t}finally{try{l||null==g.return||g.return()}finally{if(h)throw d}}var b,v=17*(c-1),m=(o._groups||o)[0][0].getBBox().width;if(e===n){b=Gt.rightAngles?s.append("path").attr("d","M  ".concat(e,",").concat(r+v," H ").concat(e+Gt.width/2," V ").concat(r+25+v," H ").concat(e)):s.append("path").attr("d","M "+e+","+(r+v)+" C "+(e+60)+","+(r-10+v)+" "+(e+60)+","+(r+30+v)+" "+e+","+(r+20+v)),$t.bumpVerticalPos(30+v);var _=Math.max(m/2,100);$t.insert(e-_,$t.getVerticalPos()-10+v,n+_,$t.getVerticalPos()+v)}else(b=s.append("line")).attr("x1",e),b.attr("y1",r),b.attr("x2",n),b.attr("y2",r),$t.insert(e,$t.getVerticalPos()-10+v,n,$t.getVerticalPos()+v);i.type===Lt.parser.yy.LINETYPE.DOTTED||i.type===Lt.parser.yy.LINETYPE.DOTTED_CROSS||i.type===Lt.parser.yy.LINETYPE.DOTTED_OPEN?(b.style("stroke-dasharray","3, 3"),b.attr("class","messageLine1")):b.attr("class","messageLine0");var w="";Gt.arrowMarkerAbsolute&&(w=(w=(w=window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.search).replace(/\(/g,"\\(")).replace(/\)/g,"\\)")),b.attr("stroke-width",2),b.attr("stroke","black"),b.style("fill","none"),i.type!==Lt.parser.yy.LINETYPE.SOLID&&i.type!==Lt.parser.yy.LINETYPE.DOTTED||b.attr("marker-end","url("+w+"#arrowhead)"),i.type!==Lt.parser.yy.LINETYPE.SOLID_CROSS&&i.type!==Lt.parser.yy.LINETYPE.DOTTED_CROSS||b.attr("marker-end","url("+w+"#crosshead)"),(Ht.showSequenceNumbers()||Gt.showSequenceNumbers)&&(b.attr("marker-start","url("+w+"#sequencenumber)"),s.append("text").attr("x",e).attr("y",r+4).attr("font-family","sans-serif").attr("font-size","12px").attr("text-anchor","middle").attr("textLength","16px").attr("class","sequenceNumber").text(a))}(o,n,r,d,t,l);var p=u.concat(c);$t.insert(Math.min.apply(null,p),d,Math.max.apply(null,p),d)}catch(t){_.error("error while drawing message",t)}}[Lt.parser.yy.LINETYPE.SOLID_OPEN,Lt.parser.yy.LINETYPE.DOTTED_OPEN,Lt.parser.yy.LINETYPE.SOLID,Lt.parser.yy.LINETYPE.DOTTED,Lt.parser.yy.LINETYPE.SOLID_CROSS,Lt.parser.yy.LINETYPE.DOTTED_CROSS].includes(t.type)&&l++})),Gt.mirrorActors&&($t.bumpVerticalPos(2*Gt.boxMargin),Kt(o,s,u,$t.getVerticalPos()));var h=$t.getBounds();_.debug("For line height fix Querying: #"+e+" .actor-line"),a.selectAll("#"+e+" .actor-line").attr("y2",h.stopy);var d=h.stopy-h.starty+2*Gt.diagramMarginY;Gt.mirrorActors&&(d=d-Gt.boxMargin+Gt.bottomMarginAdj);var p=h.stopx-h.startx+2*Gt.diagramMarginX;f&&o.append("text").text(f).attr("x",(h.stopx-h.startx)/2-2*Gt.diagramMarginX).attr("y",-25),Gt.useMaxWidth?(o.attr("height","100%"),o.attr("width","100%"),o.attr("style","max-width:"+p+"px;")):(o.attr("height",d),o.attr("width",p));var g=f?40:0;o.attr("viewBox",h.startx-Gt.diagramMarginX+" -"+(Gt.diagramMarginY+g)+" "+p+" "+(d+g))},te=n(26),ee=n.n(te);function ne(t){return 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fn={},ln={dividerMargin:10,padding:5,textHeight:10},hn=function(t){for(var e=Object.keys(fn),n=0;n<e.length;n++)if(fn[e[n]].label===t)return e[n]},dn=function(t){Object.keys(t).forEach((function(e){ln[e]=t[e]}))},pn=function(t,e){fn={},Ze.parser.yy.clear(),Ze.parser.parse(t),_.info("Rendering diagram "+t);var n,r=a.select("[id='".concat(e,"']"));(n=r).append("defs").append("marker").attr("id","extensionStart").attr("class","extension").attr("refX",0).attr("refY",7).attr("markerWidth",190).attr("markerHeight",240).attr("orient","auto").append("path").attr("d","M 1,7 L18,13 V 1 Z"),n.append("defs").append("marker").attr("id","extensionEnd").attr("refX",19).attr("refY",7).attr("markerWidth",20).attr("markerHeight",28).attr("orient","auto").append("path").attr("d","M 1,1 V 13 L18,7 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t.insert("rect",":first-child").attr("x",r).attr("y",p).attr("class",n?"alt-composit":"composit").attr("width",l).attr("height",d.height+h().state.textHeight+h().state.titleShift+1).attr("rx","0"),c.attr("x",r+i),f<=s&&c.attr("x",u+(l-a)/2-f/2+i),t.insert("rect",":first-child").attr("x",r).attr("y",h().state.titleShift-h().state.textHeight-h().state.padding).attr("width",l).attr("height",3*h().state.textHeight).attr("rx",h().state.radius),t.insert("rect",":first-child").attr("x",r).attr("y",h().state.titleShift-h().state.textHeight-h().state.padding).attr("width",l).attr("height",d.height+3+2*h().state.textHeight).attr("rx",h().state.radius),t},Ln=function(t,e){e.attr("class","state-note");var n=e.append("rect").attr("x",0).attr("y",h().state.padding),r=function(t,e,n,r){var i=0,a=r.append("text");a.style("text-anchor","start"),a.attr("class","noteText");var o=t.replace(/\r\n/g,"<br/>"),s=(o=o.replace(/\n/g,"<br/>")).split(/<br\s*\/?>/gi),u=1.25*h().state.noteMargin,c=!0,f=!1,l=void 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n=e.id,r={id:n,label:e.id,width:0,height:0},i=t.append("g").attr("id",n).attr("class","stateGroup");"start"===e.type&&function(t){t.append("circle").style("stroke","black").style("fill","black").attr("r",h().state.sizeUnit).attr("cx",h().state.padding+h().state.sizeUnit).attr("cy",h().state.padding+h().state.sizeUnit)}(i),"end"===e.type&&function(t){t.append("circle").style("stroke","black").style("fill","white").attr("r",h().state.sizeUnit+h().state.miniPadding).attr("cx",h().state.padding+h().state.sizeUnit+h().state.miniPadding).attr("cy",h().state.padding+h().state.sizeUnit+h().state.miniPadding),t.append("circle").style("stroke","black").style("fill","black").attr("r",h().state.sizeUnit).attr("cx",h().state.padding+h().state.sizeUnit+2).attr("cy",h().state.padding+h().state.sizeUnit+2)}(i),"fork"!==e.type&&"join"!==e.type||function(t,e){var n=h().state.forkWidth,r=h().state.forkHeight;if(e.parentId){var i=n;n=r,r=i}t.append("rect").style("stroke","black").style("fill","black").attr("width",n).attr("height",r).attr("x",h().state.padding).attr("y",h().state.padding)}(i,e),"note"===e.type&&Ln(e.note.text,i),"divider"===e.type&&function(t){t.append("line").style("stroke","grey").style("stroke-dasharray","3").attr("x1",h().state.textHeight).attr("class","divider").attr("x2",2*h().state.textHeight).attr("y1",0).attr("y2",0)}(i),"default"===e.type&&0===e.descriptions.length&&function(t,e){var n=t.append("text").attr("x",2*h().state.padding).attr("y",h().state.textHeight+2*h().state.padding).attr("font-size",h().state.fontSize).attr("class","state-title").text(e.id),r=n.node().getBBox();t.insert("rect",":first-child").attr("x",h().state.padding).attr("y",h().state.padding).attr("width",r.width+2*h().state.padding).attr("height",r.height+2*h().state.padding).attr("rx",h().state.radius)}(i,e),"default"===e.type&&e.descriptions.length>0&&Nn(i,e);var a=i.node().getBBox();return r.width=a.width+2*h().state.padding,r.height=a.height+2*h().state.padding,Cn(n,r),r},On=0;Mn.parser.yy=Sn;var Rn={},Pn=function(t){if(!t)return 1;var e=t.replace(/<br\s*\/?>/gi,"#br#");return(e=e.replace(/\\n/g,"#br#")).split("#br#")},Fn=function t(e,n,r,i){var o,s=new B.a.Graph({compound:!0,multigraph:!0}),u=!0;for(o=0;o<e.length;o++)if("relation"===e[o].stmt){u=!1;break}r?s.setGraph({rankdir:"LR",multigraph:!0,compound:!0,ranker:"tight-tree",ranksep:u?1:yn.edgeLengthFactor,nodeSep:u?1:50,isMultiGraph:!0}):s.setGraph({rankdir:"TB",multigraph:!0,compound:!0,ranksep:u?1:yn.edgeLengthFactor,nodeSep:u?1:50,ranker:"tight-tree",isMultiGraph:!0}),s.setDefaultEdgeLabel((function(){return{}})),Sn.extract(e);for(var c=Sn.getStates(),f=Sn.getRelations(),l=Object.keys(c),d=0;d<l.length;d++){var p=c[l[d]];r&&(p.parentId=r);var g=void 0;if(p.doc){var y=n.append("g").attr("id",p.id).attr("class","stateGroup");g=t(p.doc,y,p.id,!i);var 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t.y})).curve(a.curveBasis),s=t.append("path").attr("d",o(i)).attr("id","edge"+On).attr("class","transition"),u="";if(h().state.arrowMarkerAbsolute&&(u=(u=(u=window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.search).replace(/\(/g,"\\(")).replace(/\)/g,"\\)")),s.attr("marker-end","url("+u+"#"+function(t){switch(t){case Sn.relationType.AGGREGATION:return"aggregation";case Sn.relationType.EXTENSION:return"extension";case Sn.relationType.COMPOSITION:return"composition";case Sn.relationType.DEPENDENCY:return"dependency"}}(Sn.relationType.DEPENDENCY)+"End)"),void 0!==n.title){for(var c=t.append("g").attr("class","stateLabel"),f=D(e.points),l=f.x,d=f.y,p=(r=n.title,r.replace(/<br\s*\/?>/gi,"#br#").replace(/\\n/g,"#br#").split("#br#")),g=0,y=[],b=0;b<=p.length;b++){var v=c.append("text").attr("text-anchor","middle").text(p[b]).attr("x",l).attr("y",d+g);if(0===g){var m=v.node().getBBox();g=m.height}y.push(v)}if(p.length>1){var 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See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information",(function(){if(!s(this._isDSTShifted))return this._isDSTShifted;var t={};if(m(t,this),(t=me(t))._a){var e=t._isUTC?d(t._a):xe(t._a);this._isDSTShifted=this.isValid()&&0<E(t._a,e.toArray())}else this._isDSTShifted=!1;return this._isDSTShifted}));var cn=N.prototype;function un(t,e,n,r){var i=re(),a=d().set(r,e);return i[n](a,t)}function ln(t,e,n){if(c(t)&&(e=t,t=void 0),t=t||"",null!=e)return un(t,e,n,"month");var r,i=[];for(r=0;r<12;r++)i[r]=un(t,r,n,"month");return i}function hn(t,e,n,r){"boolean"==typeof t?c(e)&&(n=e,e=void 0):(e=t,t=!1,c(n=e)&&(n=e,e=void 0)),e=e||"";var i,a=re(),o=t?a._week.dow:0;if(null!=n)return un(e,(n+o)%7,r,"day");var s=[];for(i=0;i<7;i++)s[i]=un(e,(i+o)%7,r,"day");return s}cn.calendar=function(t,e,n){var r=this._calendar[t]||this._calendar.sameElse;return O(r)?r.call(e,n):r},cn.longDateFormat=function(t){var e=this._longDateFormat[t],n=this._longDateFormat[t.toUpperCase()];return e||!n?e:(this._longDateFormat[t]=n.replace(/MMMM|MM|DD|dddd/g,(function(t){return t.slice(1)})),this._longDateFormat[t])},cn.invalidDate=function(){return this._invalidDate},cn.ordinal=function(t){return this._ordinal.replace("%d",t)},cn.preparse=sn,cn.postformat=sn,cn.relativeTime=function(t,e,n,r){var i=this._relativeTime[n];return O(i)?i(t,e,n,r):i.replace(/%d/i,t)},cn.pastFuture=function(t,e){var n=this._relativeTime[0<t?"future":"past"];return O(n)?n(e):n.replace(/%s/i,e)},cn.set=function(t){var e,n;for(n in t)O(e=t[n])?this[n]=e:this["_"+n]=e;this._config=t,this._dayOfMonthOrdinalParseLenient=new RegExp((this._dayOfMonthOrdinalParse.source||this._ordinalParse.source)+"|"+/\d{1,2}/.source)},cn.months=function(t,e){return t?a(this._months)?this._months[t.month()]:this._months[(this._months.isFormat||Et).test(e)?"format":"standalone"][t.month()]:a(this._months)?this._months:this._months.standalone},cn.monthsShort=function(t,e){return t?a(this._monthsShort)?this._monthsShort[t.month()]:this._monthsShort[Et.test(e)?"format":"standalone"][t.month()]:a(this._monthsShort)?this._monthsShort:this._monthsShort.standalone},cn.monthsParse=function(t,e,n){var r,i,a;if(this._monthsParseExact)return function(t,e,n){var r,i,a,o=t.toLocaleLowerCase();if(!this._monthsParse)for(this._monthsParse=[],this._longMonthsParse=[],this._shortMonthsParse=[],r=0;r<12;++r)a=d([2e3,r]),this._shortMonthsParse[r]=this.monthsShort(a,"").toLocaleLowerCase(),this._longMonthsParse[r]=this.months(a,"").toLocaleLowerCase();return n?"MMM"===e?-1!==(i=mt.call(this._shortMonthsParse,o))?i:null:-1!==(i=mt.call(this._longMonthsParse,o))?i:null:"MMM"===e?-1!==(i=mt.call(this._shortMonthsParse,o))?i:-1!==(i=mt.call(this._longMonthsParse,o))?i:null:-1!==(i=mt.call(this._longMonthsParse,o))?i:-1!==(i=mt.call(this._shortMonthsParse,o))?i:null}.call(this,t,e,n);for(this._monthsParse||(this._monthsParse=[],this._longMonthsParse=[],this._shortMonthsParse=[]),r=0;r<12;r++){if(i=d([2e3,r]),n&&!this._longMonthsParse[r]&&(this._longMonthsParse[r]=new RegExp("^"+this.months(i,"").replace(".","")+"$","i"),this._shortMonthsParse[r]=new RegExp("^"+this.monthsShort(i,"").replace(".","")+"$","i")),n||this._monthsParse[r]||(a="^"+this.months(i,"")+"|^"+this.monthsShort(i,""),this._monthsParse[r]=new RegExp(a.replace(".",""),"i")),n&&"MMMM"===e&&this._longMonthsParse[r].test(t))return r;if(n&&"MMM"===e&&this._shortMonthsParse[r].test(t))return r;if(!n&&this._monthsParse[r].test(t))return r}},cn.monthsRegex=function(t){return this._monthsParseExact?(h(this,"_monthsRegex")||Dt.call(this),t?this._monthsStrictRegex:this._monthsRegex):(h(this,"_monthsRegex")||(this._monthsRegex=Ot),this._monthsStrictRegex&&t?this._monthsStrictRegex:this._monthsRegex)},cn.monthsShortRegex=function(t){return this._monthsParseExact?(h(this,"_monthsRegex")||Dt.call(this),t?this._monthsShortStrictRegex:this._monthsShortRegex):(h(this,"_monthsShortRegex")||(this._monthsShortRegex=Mt),this._monthsShortStrictRegex&&t?this._monthsShortStrictRegex:this._monthsShortRegex)},cn.week=function(t){return Pt(t,this._week.dow,this._week.doy).week},cn.firstDayOfYear=function(){return this._week.doy},cn.firstDayOfWeek=function(){return this._week.dow},cn.weekdays=function(t,e){var n=a(this._weekdays)?this._weekdays:this._weekdays[t&&!0!==t&&this._weekdays.isFormat.test(e)?"format":"standalone"];return!0===t?Ft(n,this._week.dow):t?n[t.day()]:n},cn.weekdaysMin=function(t){return!0===t?Ft(this._weekdaysMin,this._week.dow):t?this._weekdaysMin[t.day()]:this._weekdaysMin},cn.weekdaysShort=function(t){return!0===t?Ft(this._weekdaysShort,this._week.dow):t?this._weekdaysShort[t.day()]:this._weekdaysShort},cn.weekdaysParse=function(t,e,n){var r,i,a;if(this._weekdaysParseExact)return function(t,e,n){var r,i,a,o=t.toLocaleLowerCase();if(!this._weekdaysParse)for(this._weekdaysParse=[],this._shortWeekdaysParse=[],this._minWeekdaysParse=[],r=0;r<7;++r)a=d([2e3,1]).day(r),this._minWeekdaysParse[r]=this.weekdaysMin(a,"").toLocaleLowerCase(),this._shortWeekdaysParse[r]=this.weekdaysShort(a,"").toLocaleLowerCase(),this._weekdaysParse[r]=this.weekdays(a,"").toLocaleLowerCase();return n?"dddd"===e?-1!==(i=mt.call(this._weekdaysParse,o))?i:null:"ddd"===e?-1!==(i=mt.call(this._shortWeekdaysParse,o))?i:null:-1!==(i=mt.call(this._minWeekdaysParse,o))?i:null:"dddd"===e?-1!==(i=mt.call(this._weekdaysParse,o))?i:-1!==(i=mt.call(this._shortWeekdaysParse,o))?i:-1!==(i=mt.call(this._minWeekdaysParse,o))?i:null:"ddd"===e?-1!==(i=mt.call(this._shortWeekdaysParse,o))?i:-1!==(i=mt.call(this._weekdaysParse,o))?i:-1!==(i=mt.call(this._minWeekdaysParse,o))?i:null:-1!==(i=mt.call(this._minWeekdaysParse,o))?i:-1!==(i=mt.call(this._weekdaysParse,o))?i:-1!==(i=mt.call(this._shortWeekdaysParse,o))?i:null}.call(this,t,e,n);for(this._weekdaysParse||(this._weekdaysParse=[],this._minWeekdaysParse=[],this._shortWeekdaysParse=[],this._fullWeekdaysParse=[]),r=0;r<7;r++){if(i=d([2e3,1]).day(r),n&&!this._fullWeekdaysParse[r]&&(this._fullWeekdaysParse[r]=new RegExp("^"+this.weekdays(i,"").replace(".","\\.?")+"$","i"),this._shortWeekdaysParse[r]=new RegExp("^"+this.weekdaysShort(i,"").replace(".","\\.?")+"$","i"),this._minWeekdaysParse[r]=new RegExp("^"+this.weekdaysMin(i,"").replace(".","\\.?")+"$","i")),this._weekdaysParse[r]||(a="^"+this.weekdays(i,"")+"|^"+this.weekdaysShort(i,"")+"|^"+this.weekdaysMin(i,""),this._weekdaysParse[r]=new RegExp(a.replace(".",""),"i")),n&&"dddd"===e&&this._fullWeekdaysParse[r].test(t))return r;if(n&&"ddd"===e&&this._shortWeekdaysParse[r].test(t))return r;if(n&&"dd"===e&&this._minWeekdaysParse[r].test(t))return r;if(!n&&this._weekdaysParse[r].test(t))return r}},cn.weekdaysRegex=function(t){return this._weekdaysParseExact?(h(this,"_weekdaysRegex")||Wt.call(this),t?this._weekdaysStrictRegex:this._weekdaysRegex):(h(this,"_weekdaysRegex")||(this._weekdaysRegex=zt),this._weekdaysStrictRegex&&t?this._weekdaysStrictRegex:this._weekdaysRegex)},cn.weekdaysShortRegex=function(t){return this._weekdaysParseExact?(h(this,"_weekdaysRegex")||Wt.call(this),t?this._weekdaysShortStrictRegex:this._weekdaysShortRegex):(h(this,"_weekdaysShortRegex")||(this._weekdaysShortRegex=Ut),this._weekdaysShortStrictRegex&&t?this._weekdaysShortStrictRegex:this._weekdaysShortRegex)},cn.weekdaysMinRegex=function(t){return this._weekdaysParseExact?(h(this,"_weekdaysRegex")||Wt.call(this),t?this._weekdaysMinStrictRegex:this._weekdaysMinRegex):(h(this,"_weekdaysMinRegex")||(this._weekdaysMinRegex=$t),this._weekdaysMinStrictRegex&&t?this._weekdaysMinStrictRegex:this._weekdaysMinRegex)},cn.isPM=function(t){return"p"===(t+"").toLowerCase().charAt(0)},cn.meridiem=function(t,e,n){return 11<t?n?"pm":"PM":n?"am":"AM"},ee("en",{dayOfMonthOrdinalParse:/\d{1,2}(th|st|nd|rd)/,ordinal:function(t){var e=t%10;return t+(1===w(t%100/10)?"th":1===e?"st":2===e?"nd":3===e?"rd":"th")}}),i.lang=C("moment.lang is deprecated. Use moment.locale instead.",ee),i.langData=C("moment.langData is deprecated. Use moment.localeData instead.",re);var fn=Math.abs;function dn(t,e,n,r){var i=Ie(e,n);return t._milliseconds+=r*i._milliseconds,t._days+=r*i._days,t._months+=r*i._months,t._bubble()}function pn(t){return t<0?Math.floor(t):Math.ceil(t)}function gn(t){return 4800*t/146097}function yn(t){return 146097*t/4800}function vn(t){return function(){return this.as(t)}}var mn=vn("ms"),bn=vn("s"),xn=vn("m"),_n=vn("h"),kn=vn("d"),wn=vn("w"),En=vn("M"),Tn=vn("Q"),Cn=vn("y");function An(t){return function(){return this.isValid()?this._data[t]:NaN}}var Sn=An("milliseconds"),Mn=An("seconds"),On=An("minutes"),Dn=An("hours"),Nn=An("days"),Bn=An("months"),Ln=An("years"),Pn=Math.round,In={ss:44,s:45,m:45,h:22,d:26,M:11},Fn=Math.abs;function jn(t){return(0<t)-(t<0)||+t}function Rn(){if(!this.isValid())return this.localeData().invalidDate();var t,e,n=Fn(this._milliseconds)/1e3,r=Fn(this._days),i=Fn(this._months);e=k((t=k(n/60))/60),n%=60,t%=60;var a=k(i/12),o=i%=12,s=r,c=e,u=t,l=n?n.toFixed(3).replace(/\.?0+$/,""):"",h=this.asSeconds();if(!h)return"P0D";var f=h<0?"-":"",d=jn(this._months)!==jn(h)?"-":"",p=jn(this._days)!==jn(h)?"-":"",g=jn(this._milliseconds)!==jn(h)?"-":"";return f+"P"+(a?d+a+"Y":"")+(o?d+o+"M":"")+(s?p+s+"D":"")+(c||u||l?"T":"")+(c?g+c+"H":"")+(u?g+u+"M":"")+(l?g+l+"S":"")}var Yn=Te.prototype;return Yn.isValid=function(){return this._isValid},Yn.abs=function(){var t=this._data;return this._milliseconds=fn(this._milliseconds),this._days=fn(this._days),this._months=fn(this._months),t.milliseconds=fn(t.milliseconds),t.seconds=fn(t.seconds),t.minutes=fn(t.minutes),t.hours=fn(t.hours),t.months=fn(t.months),t.years=fn(t.years),this},Yn.add=function(t,e){return dn(this,t,e,1)},Yn.subtract=function(t,e){return dn(this,t,e,-1)},Yn.as=function(t){if(!this.isValid())return NaN;var e,n,r=this._milliseconds;if("month"===(t=P(t))||"quarter"===t||"year"===t)switch(e=this._days+r/864e5,n=this._months+gn(e),t){case"month":return n;case"quarter":return n/3;case"year":return n/12}else switch(e=this._days+Math.round(yn(this._months)),t){case"week":return e/7+r/6048e5;case"day":return e+r/864e5;case"hour":return 24*e+r/36e5;case"minute":return 1440*e+r/6e4;case"second":return 86400*e+r/1e3;case"millisecond":return Math.floor(864e5*e)+r;default:throw new Error("Unknown unit "+t)}},Yn.asMilliseconds=mn,Yn.asSeconds=bn,Yn.asMinutes=xn,Yn.asHours=_n,Yn.asDays=kn,Yn.asWeeks=wn,Yn.asMonths=En,Yn.asQuarters=Tn,Yn.asYears=Cn,Yn.valueOf=function(){return this.isValid()?this._milliseconds+864e5*this._days+this._months%12*2592e6+31536e6*w(this._months/12):NaN},Yn._bubble=function(){var t,e,n,r,i,a=this._milliseconds,o=this._days,s=this._months,c=this._data;return 0<=a&&0<=o&&0<=s||a<=0&&o<=0&&s<=0||(a+=864e5*pn(yn(s)+o),s=o=0),c.milliseconds=a%1e3,t=k(a/1e3),c.seconds=t%60,e=k(t/60),c.minutes=e%60,n=k(e/60),c.hours=n%24,s+=i=k(gn(o+=k(n/24))),o-=pn(yn(i)),r=k(s/12),s%=12,c.days=o,c.months=s,c.years=r,this},Yn.clone=function(){return Ie(this)},Yn.get=function(t){return t=P(t),this.isValid()?this[t+"s"]():NaN},Yn.milliseconds=Sn,Yn.seconds=Mn,Yn.minutes=On,Yn.hours=Dn,Yn.days=Nn,Yn.weeks=function(){return k(this.days()/7)},Yn.months=Bn,Yn.years=Ln,Yn.humanize=function(t){if(!this.isValid())return this.localeData().invalidDate();var e,n,r,i,a,o,s,c,u,l,h=this.localeData(),f=(e=!t,n=h,r=Ie(this).abs(),i=Pn(r.as("s")),a=Pn(r.as("m")),o=Pn(r.as("h")),s=Pn(r.as("d")),c=Pn(r.as("M")),u=Pn(r.as("y")),(l=i<=In.ss&&["s",i]||i<In.s&&["ss",i]||a<=1&&["m"]||a<In.m&&["mm",a]||o<=1&&["h"]||o<In.h&&["hh",o]||s<=1&&["d"]||s<In.d&&["dd",s]||c<=1&&["M"]||c<In.M&&["MM",c]||u<=1&&["y"]||["yy",u])[2]=e,l[3]=0<+this,l[4]=n,function(t,e,n,r,i){return i.relativeTime(e||1,!!n,t,r)}.apply(null,l));return t&&(f=h.pastFuture(+this,f)),h.postformat(f)},Yn.toISOString=Rn,Yn.toString=Rn,Yn.toJSON=Rn,Yn.locale=We,Yn.localeData=Ve,Yn.toIsoString=C("toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",Rn),Yn.lang=He,W("X",0,0,"unix"),W("x",0,0,"valueOf"),lt("x",at),lt("X",/[+-]?\d+(\.\d{1,3})?/),pt("X",(function(t,e,n){n._d=new Date(1e3*parseFloat(t,10))})),pt("x",(function(t,e,n){n._d=new Date(w(t))})),i.version="2.24.0",e=xe,i.fn=on,i.min=function(){return we("isBefore",[].slice.call(arguments,0))},i.max=function(){return we("isAfter",[].slice.call(arguments,0))},i.now=function(){return Date.now?Date.now():+new Date},i.utc=d,i.unix=function(t){return xe(1e3*t)},i.months=function(t,e){return ln(t,e,"months")},i.isDate=u,i.locale=ee,i.invalid=y,i.duration=Ie,i.isMoment=_,i.weekdays=function(t,e,n){return hn(t,e,n,"weekdays")},i.parseZone=function(){return xe.apply(null,arguments).parseZone()},i.localeData=re,i.isDuration=Ce,i.monthsShort=function(t,e){return ln(t,e,"monthsShort")},i.weekdaysMin=function(t,e,n){return hn(t,e,n,"weekdaysMin")},i.defineLocale=ne,i.updateLocale=function(t,e){if(null!=e){var 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"+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of input":"'"+(this.terminals_[x]||x)+"'"),this.parseError(O,{text:p.match,token:this.terminals_[x]||x,line:p.yylineno,loc:v,expected:S})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+x);switch(w[0]){case 1:n.push(x),i.push(p.yytext),a.push(p.yylloc),n.push(w[1]),x=null,_?(x=_,_=null):(u=p.yyleng,s=p.yytext,c=p.yylineno,v=p.yylloc,l>0&&l--);break;case 2:if(C=this.productions_[w[1]][1],M.$=i[i.length-C],M._$={first_line:a[a.length-(C||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(C||1)].first_column,last_column:a[a.length-1].last_column},m&&(M._$.range=[a[a.length-(C||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(M,[s,u,c,g.yy,w[1],i,a].concat(d))))return E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},qt={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(t,e,n,r){switch(n){case 0:return this.begin("open_directive"),12;case 1:return this.begin("type_directive"),13;case 2:return this.popState(),this.begin("arg_directive"),10;case 3:return this.popState(),this.popState(),15;case 4:return 14;case 5:case 6:break;case 7:this.begin("string");break;case 8:this.popState();break;case 9:return"STR";case 10:return 75;case 11:return 84;case 12:return 76;case 13:return 93;case 14:return 77;case 15:return 78;case 16:this.begin("href");break;case 17:this.popState();break;case 18:return 89;case 19:this.begin("callbackname");break;case 20:this.popState();break;case 21:this.popState(),this.begin("callbackargs");break;case 22:return 87;case 23:this.popState();break;case 24:return 88;case 25:this.begin("click");break;case 26:this.popState();break;case 27:return 79;case 28:case 29:return t.lex.firstGraph()&&this.begin("dir"),24;case 30:return 38;case 31:return 42;case 32:case 33:case 34:case 35:return 90;case 36:return this.popState(),25;case 37:case 38:case 39:case 40:case 41:case 42:case 43:case 44:case 45:case 46:return this.popState(),26;case 47:return 94;case 48:return 102;case 49:return 47;case 50:return 99;case 51:return 46;case 52:return 20;case 53:return 95;case 54:return 113;case 55:case 56:case 57:return 70;case 58:case 59:case 60:return 69;case 61:return 51;case 62:return 52;case 63:return 53;case 64:return 54;case 65:return 55;case 66:return 56;case 67:return 57;case 68:return 58;case 69:return 100;case 70:return 103;case 71:return 114;case 72:return 111;case 73:return 104;case 74:case 75:return 112;case 76:return 105;case 77:return 61;case 78:return 81;case 79:return"SEP";case 80:return 80;case 81:return 98;case 82:return 63;case 83:return 62;case 84:return 65;case 85:return 64;case 86:return 109;case 87:return 110;case 88:return 71;case 89:return 49;case 90:return 50;case 91:return 40;case 92:return 41;case 93:return 59;case 94:return 60;case 95:return 120;case 96:return 21;case 97:return 22;case 98:return 23}},rules:[/^(?:%%\{)/,/^(?:((?:(?!\}%%)[^:.])*))/,/^(?::)/,/^(?:\}%%)/,/^(?:((?:(?!\}%%).|\n)*))/,/^(?:%%(?!\{)[^\n]*)/,/^(?:[^\}]%%[^\n]*)/,/^(?:["])/,/^(?:["])/,/^(?:[^"]*)/,/^(?:style\b)/,/^(?:default\b)/,/^(?:linkStyle\b)/,/^(?:interpolate\b)/,/^(?:classDef\b)/,/^(?:class\b)/,/^(?:href[\s]+["])/,/^(?:["])/,/^(?:[^"]*)/,/^(?:call[\s]+)/,/^(?:\([\s]*\))/,/^(?:\()/,/^(?:[^(]*)/,/^(?:\))/,/^(?:[^)]*)/,/^(?:click[\s]+)/,/^(?:[\s\n])/,/^(?:[^\s\n]*)/,/^(?:graph\b)/,/^(?:flowchart\b)/,/^(?:subgraph\b)/,/^(?:end\b\s*)/,/^(?:_self\b)/,/^(?:_blank\b)/,/^(?:_parent\b)/,/^(?:_top\b)/,/^(?:(\r?\n)*\s*\n)/,/^(?:\s*LR\b)/,/^(?:\s*RL\b)/,/^(?:\s*TB\b)/,/^(?:\s*BT\b)/,/^(?:\s*TD\b)/,/^(?:\s*BR\b)/,/^(?:\s*<)/,/^(?:\s*>)/,/^(?:\s*\^)/,/^(?:\s*v\b)/,/^(?:[0-9]+)/,/^(?:#)/,/^(?::::)/,/^(?::)/,/^(?:&)/,/^(?:;)/,/^(?:,)/,/^(?:\*)/,/^(?:\s*[xo<]?--+[-xo>]\s*)/,/^(?:\s*[xo<]?==+[=xo>]\s*)/,/^(?:\s*[xo<]?-?\.+-[xo>]?\s*)/,/^(?:\s*[xo<]?--\s*)/,/^(?:\s*[xo<]?==\s*)/,/^(?:\s*[xo<]?-\.\s*)/,/^(?:\(-)/,/^(?:-\))/,/^(?:\(\[)/,/^(?:\]\))/,/^(?:\[\[)/,/^(?:\]\])/,/^(?:\[\()/,/^(?:\)\])/,/^(?:-)/,/^(?:\.)/,/^(?:[\_])/,/^(?:\+)/,/^(?:%)/,/^(?:=)/,/^(?:=)/,/^(?:<)/,/^(?:>)/,/^(?:\^)/,/^(?:\\\|)/,/^(?:v\b)/,/^(?:[A-Za-z]+)/,/^(?:\\\])/,/^(?:\[\/)/,/^(?:\/\])/,/^(?:\[\\)/,/^(?:[!"#$%&'*+,-.`?\\_/])/,/^(?:[\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6]|[\u00F8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377]|[\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5]|[\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA]|[\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE]|[\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA]|[\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0]|[\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977]|[\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2]|[\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A]|[\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39]|[\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8]|[\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C]|[\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C]|[\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99]|[\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0]|[\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D]|[\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3]|[\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10]|[\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1]|[\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81]|[\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3]|[\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6]|[\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A]|[\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081]|[\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D]|[\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0]|[\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310]|[\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C]|[\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u1700-\u170C\u170E-\u1711]|[\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7]|[\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C]|[\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16]|[\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF]|[\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC]|[\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D]|[\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D]|[\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3]|[\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F]|[\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128]|[\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184]|[\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3]|[\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6]|[\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE]|[\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C]|[\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D]|[\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC]|[\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B]|[\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788]|[\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805]|[\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB]|[\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28]|[\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5]|[\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4]|[\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E]|[\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D]|[\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36]|[\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D]|[\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC]|[\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF]|[\uFFD2-\uFFD7\uFFDA-\uFFDC])/,/^(?:\|)/,/^(?:\()/,/^(?:\))/,/^(?:\[)/,/^(?:\])/,/^(?:\{)/,/^(?:\})/,/^(?:")/,/^(?:(\r?\n)+)/,/^(?:\s)/,/^(?:$)/],conditions:{close_directive:{rules:[],inclusive:!1},arg_directive:{rules:[3,4],inclusive:!1},type_directive:{rules:[2,3],inclusive:!1},open_directive:{rules:[1],inclusive:!1},callbackargs:{rules:[23,24],inclusive:!1},callbackname:{rules:[20,21,22],inclusive:!1},href:{rules:[17,18],inclusive:!1},click:{rules:[26,27],inclusive:!1},vertex:{rules:[],inclusive:!1},dir:{rules:[36,37,38,39,40,41,42,43,44,45,46],inclusive:!1},string:{rules:[8,9],inclusive:!1},INITIAL:{rules:[0,5,6,7,10,11,12,13,14,15,16,19,25,28,29,30,31,32,33,34,35,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98],inclusive:!0}}};function Xt(){this.yy={}}return Gt.lexer=qt,Xt.prototype=Gt,Gt.Parser=Xt,new Xt}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[1,3],n=[1,5],r=[7,9,11,12,13,14,15,16,17,18,20,27,32],i=[1,15],a=[1,16],o=[1,17],s=[1,18],c=[1,19],u=[1,20],l=[1,21],h=[1,23],f=[1,25],d=[1,28],p=[5,7,9,11,12,13,14,15,16,17,18,20,27,32],g={trace:function(){},yy:{},symbols_:{error:2,start:3,directive:4,gantt:5,document:6,EOF:7,line:8,SPACE:9,statement:10,NL:11,dateFormat:12,inclusiveEndDates:13,axisFormat:14,excludes:15,todayMarker:16,title:17,section:18,clickStatement:19,taskTxt:20,taskData:21,openDirective:22,typeDirective:23,closeDirective:24,":":25,argDirective:26,click:27,callbackname:28,callbackargs:29,href:30,clickStatementDebug:31,open_directive:32,type_directive:33,arg_directive:34,close_directive:35,$accept:0,$end:1},terminals_:{2:"error",5:"gantt",7:"EOF",9:"SPACE",11:"NL",12:"dateFormat",13:"inclusiveEndDates",14:"axisFormat",15:"excludes",16:"todayMarker",17:"title",18:"section",20:"taskTxt",21:"taskData",25:":",27:"click",28:"callbackname",29:"callbackargs",30:"href",32:"open_directive",33:"type_directive",34:"arg_directive",35:"close_directive"},productions_:[0,[3,2],[3,3],[6,0],[6,2],[8,2],[8,1],[8,1],[8,1],[10,1],[10,1],[10,1],[10,1],[10,1],[10,1],[10,1],[10,1],[10,2],[10,1],[4,4],[4,6],[19,2],[19,3],[19,3],[19,4],[19,3],[19,4],[19,2],[31,2],[31,3],[31,3],[31,4],[31,3],[31,4],[31,2],[22,1],[23,1],[26,1],[24,1]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 2:return a[s-1];case 3:this.$=[];break;case 4:a[s-1].push(a[s]),this.$=a[s-1];break;case 5:case 6:this.$=a[s];break;case 7:case 8:this.$=[];break;case 9:r.setDateFormat(a[s].substr(11)),this.$=a[s].substr(11);break;case 10:r.enableInclusiveEndDates(),this.$=a[s].substr(18);break;case 11:r.setAxisFormat(a[s].substr(11)),this.$=a[s].substr(11);break;case 12:r.setExcludes(a[s].substr(9)),this.$=a[s].substr(9);break;case 13:r.setTodayMarker(a[s].substr(12)),this.$=a[s].substr(12);break;case 14:r.setTitle(a[s].substr(6)),this.$=a[s].substr(6);break;case 15:r.addSection(a[s].substr(8)),this.$=a[s].substr(8);break;case 17:r.addTask(a[s-1],a[s]),this.$="task";break;case 21:this.$=a[s-1],r.setClickEvent(a[s-1],a[s],null);break;case 22:this.$=a[s-2],r.setClickEvent(a[s-2],a[s-1],a[s]);break;case 23:this.$=a[s-2],r.setClickEvent(a[s-2],a[s-1],null),r.setLink(a[s-2],a[s]);break;case 24:this.$=a[s-3],r.setClickEvent(a[s-3],a[s-2],a[s-1]),r.setLink(a[s-3],a[s]);break;case 25:this.$=a[s-2],r.setClickEvent(a[s-2],a[s],null),r.setLink(a[s-2],a[s-1]);break;case 26:this.$=a[s-3],r.setClickEvent(a[s-3],a[s-1],a[s]),r.setLink(a[s-3],a[s-2]);break;case 27:this.$=a[s-1],r.setLink(a[s-1],a[s]);break;case 28:case 34:this.$=a[s-1]+" "+a[s];break;case 29:case 30:case 32:this.$=a[s-2]+" "+a[s-1]+" "+a[s];break;case 31:case 33:this.$=a[s-3]+" "+a[s-2]+" "+a[s-1]+" "+a[s];break;case 35:r.parseDirective("%%{","open_directive");break;case 36:r.parseDirective(a[s],"type_directive");break;case 37:a[s]=a[s].trim().replace(/'/g,'"'),r.parseDirective(a[s],"arg_directive");break;case 38:r.parseDirective("}%%","close_directive","gantt")}},table:[{3:1,4:2,5:e,22:4,32:n},{1:[3]},{3:6,4:2,5:e,22:4,32:n},t(r,[2,3],{6:7}),{23:8,33:[1,9]},{33:[2,35]},{1:[2,1]},{4:24,7:[1,10],8:11,9:[1,12],10:13,11:[1,14],12:i,13:a,14:o,15:s,16:c,17:u,18:l,19:22,20:h,22:4,27:f,32:n},{24:26,25:[1,27],35:d},t([25,35],[2,36]),t(r,[2,8],{1:[2,2]}),t(r,[2,4]),{4:24,10:29,12:i,13:a,14:o,15:s,16:c,17:u,18:l,19:22,20:h,22:4,27:f,32:n},t(r,[2,6]),t(r,[2,7]),t(r,[2,9]),t(r,[2,10]),t(r,[2,11]),t(r,[2,12]),t(r,[2,13]),t(r,[2,14]),t(r,[2,15]),t(r,[2,16]),{21:[1,30]},t(r,[2,18]),{28:[1,31],30:[1,32]},{11:[1,33]},{26:34,34:[1,35]},{11:[2,38]},t(r,[2,5]),t(r,[2,17]),t(r,[2,21],{29:[1,36],30:[1,37]}),t(r,[2,27],{28:[1,38]}),t(p,[2,19]),{24:39,35:d},{35:[2,37]},t(r,[2,22],{30:[1,40]}),t(r,[2,23]),t(r,[2,25],{29:[1,41]}),{11:[1,42]},t(r,[2,24]),t(r,[2,26]),t(p,[2,20])],defaultActions:{5:[2,35],6:[2,1],28:[2,38],35:[2,37]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line "+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of input":"'"+(this.terminals_[x]||x)+"'"),this.parseError(O,{text:p.match,token:this.terminals_[x]||x,line:p.yylineno,loc:v,expected:S})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+x);switch(w[0]){case 1:n.push(x),i.push(p.yytext),a.push(p.yylloc),n.push(w[1]),x=null,_?(x=_,_=null):(u=p.yyleng,s=p.yytext,c=p.yylineno,v=p.yylloc,l>0&&l--);break;case 2:if(C=this.productions_[w[1]][1],M.$=i[i.length-C],M._$={first_line:a[a.length-(C||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(C||1)].first_column,last_column:a[a.length-1].last_column},m&&(M._$.range=[a[a.length-(C||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(M,[s,u,c,g.yy,w[1],i,a].concat(d))))return E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},y={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return this.begin("open_directive"),32;case 1:return this.begin("type_directive"),33;case 2:return this.popState(),this.begin("arg_directive"),25;case 3:return this.popState(),this.popState(),35;case 4:return 34;case 5:case 6:case 7:break;case 8:return 11;case 9:case 10:case 11:break;case 12:this.begin("href");break;case 13:this.popState();break;case 14:return 30;case 15:this.begin("callbackname");break;case 16:this.popState();break;case 17:this.popState(),this.begin("callbackargs");break;case 18:return 28;case 19:this.popState();break;case 20:return 29;case 21:this.begin("click");break;case 22:this.popState();break;case 23:return 27;case 24:return 5;case 25:return 12;case 26:return 13;case 27:return 14;case 28:return 15;case 29:return 16;case 30:return"date";case 31:return 17;case 32:return 18;case 33:return 20;case 34:return 21;case 35:return 25;case 36:return 7;case 37:return"INVALID"}},rules:[/^(?:%%\{)/i,/^(?:((?:(?!\}%%)[^:.])*))/i,/^(?::)/i,/^(?:\}%%)/i,/^(?:((?:(?!\}%%).|\n)*))/i,/^(?:%%(?!\{)*[^\n]*)/i,/^(?:[^\}]%%*[^\n]*)/i,/^(?:%%*[^\n]*[\n]*)/i,/^(?:[\n]+)/i,/^(?:\s+)/i,/^(?:#[^\n]*)/i,/^(?:%[^\n]*)/i,/^(?:href[\s]+["])/i,/^(?:["])/i,/^(?:[^"]*)/i,/^(?:call[\s]+)/i,/^(?:\([\s]*\))/i,/^(?:\()/i,/^(?:[^(]*)/i,/^(?:\))/i,/^(?:[^)]*)/i,/^(?:click[\s]+)/i,/^(?:[\s\n])/i,/^(?:[^\s\n]*)/i,/^(?:gantt\b)/i,/^(?:dateFormat\s[^#\n;]+)/i,/^(?:inclusiveEndDates\b)/i,/^(?:axisFormat\s[^#\n;]+)/i,/^(?:excludes\s[^#\n;]+)/i,/^(?:todayMarker\s[^\n;]+)/i,/^(?:\d\d\d\d-\d\d-\d\d\b)/i,/^(?:title\s[^#\n;]+)/i,/^(?:section\s[^#:\n;]+)/i,/^(?:[^#:\n;]+)/i,/^(?::[^#\n;]+)/i,/^(?::)/i,/^(?:$)/i,/^(?:.)/i],conditions:{close_directive:{rules:[],inclusive:!1},arg_directive:{rules:[3,4],inclusive:!1},type_directive:{rules:[2,3],inclusive:!1},open_directive:{rules:[1],inclusive:!1},callbackargs:{rules:[19,20],inclusive:!1},callbackname:{rules:[16,17,18],inclusive:!1},href:{rules:[13,14],inclusive:!1},click:{rules:[22,23],inclusive:!1},INITIAL:{rules:[0,5,6,7,8,9,10,11,12,15,21,24,25,26,27,28,29,30,31,32,33,34,35,36,37],inclusive:!0}}};function v(){this.yy={}}return g.lexer=y,v.prototype=g,g.Parser=v,new v}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return 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t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[2,3],n=[1,7],r=[7,12,15,17,19,20,21],i=[7,11,12,15,17,19,20,21],a=[2,20],o=[1,32],s={trace:function(){},yy:{},symbols_:{error:2,start:3,GG:4,":":5,document:6,EOF:7,DIR:8,options:9,body:10,OPT:11,NL:12,line:13,statement:14,COMMIT:15,commit_arg:16,BRANCH:17,ID:18,CHECKOUT:19,MERGE:20,RESET:21,reset_arg:22,STR:23,HEAD:24,reset_parents:25,CARET:26,$accept:0,$end:1},terminals_:{2:"error",4:"GG",5:":",7:"EOF",8:"DIR",11:"OPT",12:"NL",15:"COMMIT",17:"BRANCH",18:"ID",19:"CHECKOUT",20:"MERGE",21:"RESET",23:"STR",24:"HEAD",26:"CARET"},productions_:[0,[3,4],[3,5],[6,0],[6,2],[9,2],[9,1],[10,0],[10,2],[13,2],[13,1],[14,2],[14,2],[14,2],[14,2],[14,2],[16,0],[16,1],[22,2],[22,2],[25,0],[25,2]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 1:return a[s-1];case 2:return r.setDirection(a[s-3]),a[s-1];case 4:r.setOptions(a[s-1]),this.$=a[s];break;case 5:a[s-1]+=a[s],this.$=a[s-1];break;case 7:this.$=[];break;case 8:a[s-1].push(a[s]),this.$=a[s-1];break;case 9:this.$=a[s-1];break;case 11:r.commit(a[s]);break;case 12:r.branch(a[s]);break;case 13:r.checkout(a[s]);break;case 14:r.merge(a[s]);break;case 15:r.reset(a[s]);break;case 16:this.$="";break;case 17:this.$=a[s];break;case 18:this.$=a[s-1]+":"+a[s];break;case 19:this.$=a[s-1]+":"+r.count,r.count=0;break;case 20:r.count=0;break;case 21:r.count+=1}},table:[{3:1,4:[1,2]},{1:[3]},{5:[1,3],8:[1,4]},{6:5,7:e,9:6,12:n},{5:[1,8]},{7:[1,9]},t(r,[2,7],{10:10,11:[1,11]}),t(i,[2,6]),{6:12,7:e,9:6,12:n},{1:[2,1]},{7:[2,4],12:[1,15],13:13,14:14,15:[1,16],17:[1,17],19:[1,18],20:[1,19],21:[1,20]},t(i,[2,5]),{7:[1,21]},t(r,[2,8]),{12:[1,22]},t(r,[2,10]),{12:[2,16],16:23,23:[1,24]},{18:[1,25]},{18:[1,26]},{18:[1,27]},{18:[1,30],22:28,24:[1,29]},{1:[2,2]},t(r,[2,9]),{12:[2,11]},{12:[2,17]},{12:[2,12]},{12:[2,13]},{12:[2,14]},{12:[2,15]},{12:a,25:31,26:o},{12:a,25:33,26:o},{12:[2,18]},{12:a,25:34,26:o},{12:[2,19]},{12:[2,21]}],defaultActions:{9:[2,1],21:[2,2],23:[2,11],24:[2,17],25:[2,12],26:[2,13],27:[2,14],28:[2,15],31:[2,18],33:[2,19],34:[2,21]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line "+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of 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3:return!0}}return!0}},c={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return 12;case 1:case 2:case 3:break;case 4:return 4;case 5:return 15;case 6:return 17;case 7:return 20;case 8:return 21;case 9:return 19;case 10:case 11:return 8;case 12:return 5;case 13:return 26;case 14:this.begin("options");break;case 15:this.popState();break;case 16:return 11;case 17:this.begin("string");break;case 18:this.popState();break;case 19:return 23;case 20:return 18;case 21:return 7}},rules:[/^(?:(\r?\n)+)/i,/^(?:\s+)/i,/^(?:#[^\n]*)/i,/^(?:%[^\n]*)/i,/^(?:gitGraph\b)/i,/^(?:commit\b)/i,/^(?:branch\b)/i,/^(?:merge\b)/i,/^(?:reset\b)/i,/^(?:checkout\b)/i,/^(?:LR\b)/i,/^(?:BT\b)/i,/^(?::)/i,/^(?:\^)/i,/^(?:options\r?\n)/i,/^(?:end\r?\n)/i,/^(?:[^\n]+\r?\n)/i,/^(?:["])/i,/^(?:["])/i,/^(?:[^"]*)/i,/^(?:[a-zA-Z][-_\.a-zA-Z0-9]*[-_a-zA-Z0-9])/i,/^(?:$)/i],conditions:{options:{rules:[15,16],inclusive:!1},string:{rules:[18,19],inclusive:!1},INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,17,20,21],inclusive:!0}}};function u(){this.yy={}}return s.lexer=c,u.prototype=s,s.Parser=u,new u}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[6,9,10],n={trace:function(){},yy:{},symbols_:{error:2,start:3,info:4,document:5,EOF:6,line:7,statement:8,NL:9,showInfo:10,$accept:0,$end:1},terminals_:{2:"error",4:"info",6:"EOF",9:"NL",10:"showInfo"},productions_:[0,[3,3],[5,0],[5,2],[7,1],[7,1],[8,1]],performAction:function(t,e,n,r,i,a,o){a.length;switch(i){case 1:return r;case 4:break;case 6:r.setInfo(!0)}},table:[{3:1,4:[1,2]},{1:[3]},t(e,[2,2],{5:3}),{6:[1,4],7:5,8:6,9:[1,7],10:[1,8]},{1:[2,1]},t(e,[2,3]),t(e,[2,4]),t(e,[2,5]),t(e,[2,6])],defaultActions:{4:[2,1]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line "+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of input":"'"+(this.terminals_[x]||x)+"'"),this.parseError(O,{text:p.match,token:this.terminals_[x]||x,line:p.yylineno,loc:v,expected:S})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+x);switch(w[0]){case 1:n.push(x),i.push(p.yytext),a.push(p.yylloc),n.push(w[1]),x=null,_?(x=_,_=null):(u=p.yyleng,s=p.yytext,c=p.yylineno,v=p.yylloc,l>0&&l--);break;case 2:if(C=this.productions_[w[1]][1],M.$=i[i.length-C],M._$={first_line:a[a.length-(C||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(C||1)].first_column,last_column:a[a.length-1].last_column},m&&(M._$.range=[a[a.length-(C||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(M,[s,u,c,g.yy,w[1],i,a].concat(d))))return E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},r={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return 4;case 1:return 9;case 2:return"space";case 3:return 10;case 4:return 6;case 5:return"TXT"}},rules:[/^(?:info\b)/i,/^(?:[\s\n\r]+)/i,/^(?:[\s]+)/i,/^(?:showInfo\b)/i,/^(?:$)/i,/^(?:.)/i],conditions:{INITIAL:{rules:[0,1,2,3,4,5],inclusive:!0}}};function i(){this.yy={}}return n.lexer=r,i.prototype=n,n.Parser=i,new i}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[1,4],n=[1,5],r=[1,6],i=[1,7],a=[1,9],o=[1,10,12,19,20,21,22],s=[1,6,10,12,19,20,21,22],c=[19,20,21],u=[1,22],l=[6,19,20,21,22],h={trace:function(){},yy:{},symbols_:{error:2,start:3,eol:4,directive:5,PIE:6,document:7,line:8,statement:9,txt:10,value:11,title:12,title_value:13,openDirective:14,typeDirective:15,closeDirective:16,":":17,argDirective:18,NEWLINE:19,";":20,EOF:21,open_directive:22,type_directive:23,arg_directive:24,close_directive:25,$accept:0,$end:1},terminals_:{2:"error",6:"PIE",10:"txt",11:"value",12:"title",13:"title_value",17:":",19:"NEWLINE",20:";",21:"EOF",22:"open_directive",23:"type_directive",24:"arg_directive",25:"close_directive"},productions_:[0,[3,2],[3,2],[3,2],[7,0],[7,2],[8,2],[9,0],[9,2],[9,2],[9,1],[5,3],[5,5],[4,1],[4,1],[4,1],[14,1],[15,1],[18,1],[16,1]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 6:this.$=a[s-1];break;case 8:r.addSection(a[s-1],r.cleanupValue(a[s]));break;case 9:this.$=a[s].trim(),r.setTitle(this.$);break;case 16:r.parseDirective("%%{","open_directive");break;case 17:r.parseDirective(a[s],"type_directive");break;case 18:a[s]=a[s].trim().replace(/'/g,'"'),r.parseDirective(a[s],"arg_directive");break;case 19:r.parseDirective("}%%","close_directive","pie")}},table:[{3:1,4:2,5:3,6:e,14:8,19:n,20:r,21:i,22:a},{1:[3]},{3:10,4:2,5:3,6:e,14:8,19:n,20:r,21:i,22:a},{3:11,4:2,5:3,6:e,14:8,19:n,20:r,21:i,22:a},t(o,[2,4],{7:12}),t(s,[2,13]),t(s,[2,14]),t(s,[2,15]),{15:13,23:[1,14]},{23:[2,16]},{1:[2,1]},{1:[2,2]},t(c,[2,7],{14:8,8:15,9:16,5:19,1:[2,3],10:[1,17],12:[1,18],22:a}),{16:20,17:[1,21],25:u},t([17,25],[2,17]),t(o,[2,5]),{4:23,19:n,20:r,21:i},{11:[1,24]},{13:[1,25]},t(c,[2,10]),t(l,[2,11]),{18:26,24:[1,27]},t(l,[2,19]),t(o,[2,6]),t(c,[2,8]),t(c,[2,9]),{16:28,25:u},{25:[2,18]},t(l,[2,12])],defaultActions:{9:[2,16],10:[2,1],11:[2,2],27:[2,18]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line "+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of input":"'"+(this.terminals_[x]||x)+"'"),this.parseError(O,{text:p.match,token:this.terminals_[x]||x,line:p.yylineno,loc:v,expected:S})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+x);switch(w[0]){case 1:n.push(x),i.push(p.yytext),a.push(p.yylloc),n.push(w[1]),x=null,_?(x=_,_=null):(u=p.yyleng,s=p.yytext,c=p.yylineno,v=p.yylloc,l>0&&l--);break;case 2:if(C=this.productions_[w[1]][1],M.$=i[i.length-C],M._$={first_line:a[a.length-(C||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(C||1)].first_column,last_column:a[a.length-1].last_column},m&&(M._$.range=[a[a.length-(C||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(M,[s,u,c,g.yy,w[1],i,a].concat(d))))return E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},f={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return this.begin("open_directive"),22;case 1:return this.begin("type_directive"),23;case 2:return this.popState(),this.begin("arg_directive"),17;case 3:return this.popState(),this.popState(),25;case 4:return 24;case 5:case 6:break;case 7:return 19;case 8:case 9:break;case 10:return this.begin("title"),12;case 11:return this.popState(),"title_value";case 12:this.begin("string");break;case 13:this.popState();break;case 14:return"txt";case 15:return 6;case 16:return"value";case 17:return 21}},rules:[/^(?:%%\{)/i,/^(?:((?:(?!\}%%)[^:.])*))/i,/^(?::)/i,/^(?:\}%%)/i,/^(?:((?:(?!\}%%).|\n)*))/i,/^(?:%%(?!\{)[^\n]*)/i,/^(?:[^\}]%%[^\n]*)/i,/^(?:[\n\r]+)/i,/^(?:%%[^\n]*)/i,/^(?:[\s]+)/i,/^(?:title\b)/i,/^(?:(?!\n||)*[^\n]*)/i,/^(?:["])/i,/^(?:["])/i,/^(?:[^"]*)/i,/^(?:pie\b)/i,/^(?::[\s]*[\d]+(?:\.[\d]+)?)/i,/^(?:$)/i],conditions:{close_directive:{rules:[],inclusive:!1},arg_directive:{rules:[3,4],inclusive:!1},type_directive:{rules:[2,3],inclusive:!1},open_directive:{rules:[1],inclusive:!1},title:{rules:[11],inclusive:!1},string:{rules:[13,14],inclusive:!1},INITIAL:{rules:[0,5,6,7,8,9,10,12,15,16,17],inclusive:!0}}};function d(){this.yy={}}return h.lexer=f,d.prototype=h,h.Parser=d,new d}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){(function(t,r){var i=function(){var t=function(t,e,n,r){for(n=n||{},r=t.length;r--;n[t[r]]=e);return n},e=[1,2],n=[1,5],r=[6,9,11,23,37],i=[1,17],a=[1,20],o=[1,25],s=[1,26],c=[1,27],u=[1,28],l=[1,37],h=[23,34,35],f=[4,6,9,11,23,37],d=[30,31,32,33],p=[22,27],g={trace:function(){},yy:{},symbols_:{error:2,start:3,ER_DIAGRAM:4,document:5,EOF:6,directive:7,line:8,SPACE:9,statement:10,NEWLINE:11,openDirective:12,typeDirective:13,closeDirective:14,":":15,argDirective:16,entityName:17,relSpec:18,role:19,BLOCK_START:20,attributes:21,BLOCK_STOP:22,ALPHANUM:23,attribute:24,attributeType:25,attributeName:26,ATTRIBUTE_WORD:27,cardinality:28,relType:29,ZERO_OR_ONE:30,ZERO_OR_MORE:31,ONE_OR_MORE:32,ONLY_ONE:33,NON_IDENTIFYING:34,IDENTIFYING:35,WORD:36,open_directive:37,type_directive:38,arg_directive:39,close_directive:40,$accept:0,$end:1},terminals_:{2:"error",4:"ER_DIAGRAM",6:"EOF",9:"SPACE",11:"NEWLINE",15:":",20:"BLOCK_START",22:"BLOCK_STOP",23:"ALPHANUM",27:"ATTRIBUTE_WORD",30:"ZERO_OR_ONE",31:"ZERO_OR_MORE",32:"ONE_OR_MORE",33:"ONLY_ONE",34:"NON_IDENTIFYING",35:"IDENTIFYING",36:"WORD",37:"open_directive",38:"type_directive",39:"arg_directive",40:"close_directive"},productions_:[0,[3,3],[3,2],[5,0],[5,2],[8,2],[8,1],[8,1],[8,1],[7,4],[7,6],[10,1],[10,5],[10,4],[10,3],[10,1],[17,1],[21,1],[21,2],[24,2],[25,1],[26,1],[18,3],[28,1],[28,1],[28,1],[28,1],[29,1],[29,1],[19,1],[19,1],[12,1],[13,1],[16,1],[14,1]],performAction:function(t,e,n,r,i,a,o){var s=a.length-1;switch(i){case 1:break;case 3:this.$=[];break;case 4:a[s-1].push(a[s]),this.$=a[s-1];break;case 5:case 6:this.$=a[s];break;case 7:case 8:this.$=[];break;case 12:r.addEntity(a[s-4]),r.addEntity(a[s-2]),r.addRelationship(a[s-4],a[s],a[s-2],a[s-3]);break;case 13:r.addEntity(a[s-3]),r.addAttributes(a[s-3],a[s-1]);break;case 14:r.addEntity(a[s-2]);break;case 15:r.addEntity(a[s]);break;case 16:this.$=a[s];break;case 17:this.$=[a[s]];break;case 18:a[s].push(a[s-1]),this.$=a[s];break;case 19:this.$={attributeType:a[s-1],attributeName:a[s]};break;case 20:case 21:this.$=a[s];break;case 22:this.$={cardA:a[s],relType:a[s-1],cardB:a[s-2]};break;case 23:this.$=r.Cardinality.ZERO_OR_ONE;break;case 24:this.$=r.Cardinality.ZERO_OR_MORE;break;case 25:this.$=r.Cardinality.ONE_OR_MORE;break;case 26:this.$=r.Cardinality.ONLY_ONE;break;case 27:this.$=r.Identification.NON_IDENTIFYING;break;case 28:this.$=r.Identification.IDENTIFYING;break;case 29:this.$=a[s].replace(/"/g,"");break;case 30:this.$=a[s];break;case 31:r.parseDirective("%%{","open_directive");break;case 32:r.parseDirective(a[s],"type_directive");break;case 33:a[s]=a[s].trim().replace(/'/g,'"'),r.parseDirective(a[s],"arg_directive");break;case 34:r.parseDirective("}%%","close_directive","er")}},table:[{3:1,4:e,7:3,12:4,37:n},{1:[3]},t(r,[2,3],{5:6}),{3:7,4:e,7:3,12:4,37:n},{13:8,38:[1,9]},{38:[2,31]},{6:[1,10],7:15,8:11,9:[1,12],10:13,11:[1,14],12:4,17:16,23:i,37:n},{1:[2,2]},{14:18,15:[1,19],40:a},t([15,40],[2,32]),t(r,[2,8],{1:[2,1]}),t(r,[2,4]),{7:15,10:21,12:4,17:16,23:i,37:n},t(r,[2,6]),t(r,[2,7]),t(r,[2,11]),t(r,[2,15],{18:22,28:24,20:[1,23],30:o,31:s,32:c,33:u}),t([6,9,11,15,20,23,30,31,32,33,37],[2,16]),{11:[1,29]},{16:30,39:[1,31]},{11:[2,34]},t(r,[2,5]),{17:32,23:i},{21:33,22:[1,34],24:35,25:36,27:l},{29:38,34:[1,39],35:[1,40]},t(h,[2,23]),t(h,[2,24]),t(h,[2,25]),t(h,[2,26]),t(f,[2,9]),{14:41,40:a},{40:[2,33]},{15:[1,42]},{22:[1,43]},t(r,[2,14]),{21:44,22:[2,17],24:35,25:36,27:l},{26:45,27:[1,46]},{27:[2,20]},{28:47,30:o,31:s,32:c,33:u},t(d,[2,27]),t(d,[2,28]),{11:[1,48]},{19:49,23:[1,51],36:[1,50]},t(r,[2,13]),{22:[2,18]},t(p,[2,19]),t(p,[2,21]),{23:[2,22]},t(f,[2,10]),t(r,[2,12]),t(r,[2,29]),t(r,[2,30])],defaultActions:{5:[2,31],7:[2,2],20:[2,34],31:[2,33],37:[2,20],44:[2,18],47:[2,22]},parseError:function(t,e){if(!e.recoverable){var n=new Error(t);throw n.hash=e,n}this.trace(t)},parse:function(t){var e=this,n=[0],r=[],i=[null],a=[],o=this.table,s="",c=0,u=0,l=0,h=2,f=1,d=a.slice.call(arguments,1),p=Object.create(this.lexer),g={yy:{}};for(var y in this.yy)Object.prototype.hasOwnProperty.call(this.yy,y)&&(g.yy[y]=this.yy[y]);p.setInput(t,g.yy),g.yy.lexer=p,g.yy.parser=this,void 0===p.yylloc&&(p.yylloc={});var v=p.yylloc;a.push(v);var m=p.options&&p.options.ranges;function b(){var t;return"number"!=typeof(t=r.pop()||p.lex()||f)&&(t instanceof Array&&(t=(r=t).pop()),t=e.symbols_[t]||t),t}"function"==typeof g.yy.parseError?this.parseError=g.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var x,_,k,w,E,T,C,A,S,M={};;){if(k=n[n.length-1],this.defaultActions[k]?w=this.defaultActions[k]:(null==x&&(x=b()),w=o[k]&&o[k][x]),void 0===w||!w.length||!w[0]){var O="";for(T in S=[],o[k])this.terminals_[T]&&T>h&&S.push("'"+this.terminals_[T]+"'");O=p.showPosition?"Parse error on line "+(c+1)+":\n"+p.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[x]||x)+"'":"Parse error on line "+(c+1)+": Unexpected "+(x==f?"end of input":"'"+(this.terminals_[x]||x)+"'"),this.parseError(O,{text:p.match,token:this.terminals_[x]||x,line:p.yylineno,loc:v,expected:S})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+x);switch(w[0]){case 1:n.push(x),i.push(p.yytext),a.push(p.yylloc),n.push(w[1]),x=null,_?(x=_,_=null):(u=p.yyleng,s=p.yytext,c=p.yylineno,v=p.yylloc,l>0&&l--);break;case 2:if(C=this.productions_[w[1]][1],M.$=i[i.length-C],M._$={first_line:a[a.length-(C||1)].first_line,last_line:a[a.length-1].last_line,first_column:a[a.length-(C||1)].first_column,last_column:a[a.length-1].last_column},m&&(M._$.range=[a[a.length-(C||1)].range[0],a[a.length-1].range[1]]),void 0!==(E=this.performAction.apply(M,[s,u,c,g.yy,w[1],i,a].concat(d))))return E;C&&(n=n.slice(0,-1*C*2),i=i.slice(0,-1*C),a=a.slice(0,-1*C)),n.push(this.productions_[w[1]][0]),i.push(M.$),a.push(M._$),A=o[n[n.length-2]][n[n.length-1]],n.push(A);break;case 3:return!0}}return!0}},y={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t,e){return this.yy=e||this.yy||{},this._input=t,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];return this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t,t.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,n=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e),this.offset-=e;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-e]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},test_match:function(t,e){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),(r=t[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+t[0].length},this.yytext+=t[0],this.match+=t[0],this.matches=t,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(t[0].length),this.matched+=t[0],n=this.performAction.call(this,this.yy,this,e,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var a in i)this[a]=i[a];return!1}return!1},next:function(){if(this.done)return this.EOF;var t,e,n,r;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),a=0;a<i.length;a++)if((n=this._input.match(this.rules[i[a]]))&&(!e||n[0].length>e[0].length)){if(e=n,r=a,this.options.backtrack_lexer){if(!1!==(t=this.test_match(n,i[a])))return t;if(this._backtrack){e=!1;continue}return!1}if(!this.options.flex)break}return e?!1!==(t=this.test_match(e,i[r]))&&t:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var t=this.next();return t||this.lex()},begin:function(t){this.conditionStack.push(t)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(t){return(t=this.conditionStack.length-1-Math.abs(t||0))>=0?this.conditionStack[t]:"INITIAL"},pushState:function(t){this.begin(t)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(t,e,n,r){switch(n){case 0:return this.begin("open_directive"),37;case 1:return this.begin("type_directive"),38;case 2:return this.popState(),this.begin("arg_directive"),15;case 3:return this.popState(),this.popState(),40;case 4:return 39;case 5:case 6:break;case 7:return 11;case 8:break;case 9:return 9;case 10:return 36;case 11:return 4;case 12:return this.begin("block"),20;case 13:break;case 14:return 27;case 15:break;case 16:return this.popState(),22;case 17:return e.yytext[0];case 18:return 30;case 19:return 31;case 20:return 32;case 21:return 33;case 22:return 30;case 23:return 31;case 24:return 32;case 25:return 34;case 26:return 35;case 27:case 28:return 34;case 29:return 23;case 30:return e.yytext[0];case 31:return 6}},rules:[/^(?:%%\{)/i,/^(?:((?:(?!\}%%)[^:.])*))/i,/^(?::)/i,/^(?:\}%%)/i,/^(?:((?:(?!\}%%).|\n)*))/i,/^(?:%(?!\{)[^\n]*)/i,/^(?:[^\}]%%[^\n]*)/i,/^(?:[\n]+)/i,/^(?:\s+)/i,/^(?:[\s]+)/i,/^(?:"[^"]*")/i,/^(?:erDiagram\b)/i,/^(?:\{)/i,/^(?:\s+)/i,/^(?:[A-Za-z][A-Za-z0-9\-_]*)/i,/^(?:[\n]+)/i,/^(?:\})/i,/^(?:.)/i,/^(?:\|o\b)/i,/^(?:\}o\b)/i,/^(?:\}\|)/i,/^(?:\|\|)/i,/^(?:o\|)/i,/^(?:o\{)/i,/^(?:\|\{)/i,/^(?:\.\.)/i,/^(?:--)/i,/^(?:\.-)/i,/^(?:-\.)/i,/^(?:[A-Za-z][A-Za-z0-9\-_]*)/i,/^(?:.)/i,/^(?:$)/i],conditions:{open_directive:{rules:[1],inclusive:!1},type_directive:{rules:[2,3],inclusive:!1},arg_directive:{rules:[3,4],inclusive:!1},block:{rules:[13,14,15,16,17],inclusive:!1},INITIAL:{rules:[0,5,6,7,8,9,10,11,12,18,19,20,21,22,23,24,25,26,27,28,29,30,31],inclusive:!0}}};function v(){this.yy={}}return g.lexer=y,v.prototype=g,g.Parser=v,new v}();e.parser=i,e.Parser=i.Parser,e.parse=function(){return i.parse.apply(i,arguments)},e.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),t.exit(1));var i=n(19).readFileSync(n(20).normalize(r[1]),"utf8");return e.parser.parse(i)},n.c[n.s]===r&&e.main(t.argv.slice(1))}).call(this,n(14),n(7)(t))},function(t,e,n){"use strict";var r;Object.defineProperty(e,"__esModule",{value:!0}),function(t){t[t.ALL=0]="ALL",t[t.RGB=1]="RGB",t[t.HSL=2]="HSL"}(r||(r={})),e.TYPE=r},function(t,e,n){"use strict";var r=n(10);t.exports=i;function i(t){this._isDirected=!r.has(t,"directed")||t.directed,this._isMultigraph=!!r.has(t,"multigraph")&&t.multigraph,this._isCompound=!!r.has(t,"compound")&&t.compound,this._label=void 0,this._defaultNodeLabelFn=r.constant(void 0),this._defaultEdgeLabelFn=r.constant(void 0),this._nodes={},this._isCompound&&(this._parent={},this._children={},this._children["\0"]={}),this._in={},this._preds={},this._out={},this._sucs={},this._edgeObjs={},this._edgeLabels={}}function a(t,e){t[e]?t[e]++:t[e]=1}function o(t,e){--t[e]||delete t[e]}function s(t,e,n,i){var a=""+e,o=""+n;if(!t&&a>o){var s=a;a=o,o=s}return a+"
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e=t,(n=[{key:"updateColors",value:function(){this.secondBkg=Object(q.lighten)(this.mainBkg,16),this.lineColor=this.mainContrastColor,this.arrowheadColor=this.mainContrastColor,this.nodeBkg=this.mainBkg,this.nodeBorder=this.border1,this.clusterBkg=this.secondBkg,this.clusterBorder=this.border2,this.defaultLinkColor=this.lineColor,this.edgeLabelBackground=Object(q.lighten)(this.labelBackground,25),this.actorBorder=this.border1,this.actorBkg=this.mainBkg,this.actorTextColor=this.mainContrastColor,this.actorLineColor=this.mainContrastColor,this.signalColor=this.mainContrastColor,this.signalTextColor=this.mainContrastColor,this.labelBoxBkgColor=this.actorBkg,this.labelBoxBorderColor=this.actorBorder,this.labelTextColor=this.mainContrastColor,this.loopTextColor=this.mainContrastColor,this.noteBorderColor=this.border2,this.noteTextColor=this.mainBkg,this.activationBorderColor=this.border1,this.activationBkgColor=this.secondBkg,this.altSectionBkgColor=this.background,this.taskBkgColor=Object(q.lighten)(this.mainBkg,23),this.taskTextColor=this.darkTextColor,this.taskTextLightColor=this.mainContrastColor,this.taskTextOutsideColor=this.taskTextLightColor,this.gridColor=this.mainContrastColor,this.doneTaskBkgColor=this.mainContrastColor,this.taskTextDarkColor=this.darkTextColor,this.labelColor=this.textColor,this.altBackground=Object(q.lighten)(this.background,20),this.fillType0=this.primaryColor,this.fillType1=this.secondaryColor,this.fillType2=Object(q.adjust)(this.primaryColor,{h:64}),this.fillType3=Object(q.adjust)(this.secondaryColor,{h:64}),this.fillType4=Object(q.adjust)(this.primaryColor,{h:-64}),this.fillType5=Object(q.adjust)(this.secondaryColor,{h:-64}),this.fillType6=Object(q.adjust)(this.primaryColor,{h:128}),this.fillType7=Object(q.adjust)(this.secondaryColor,{h:128}),this.classText=this.primaryTextColor}},{key:"calculate",value:function(t){var e=this;if("object"===Q(t)){var n=Object.keys(t);n.forEach((function(n){e[n]=t[n]})),this.updateColors(),n.forEach((function(n){e[n]=t[n]}))}else this.updateColors()}}])&&tt(e.prototype,n),r&&tt(e,r),t}();function nt(t){return(nt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function rt(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var it=function(){function t(){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.background="#f4f4f4",this.primaryColor="#ECECFF",this.secondaryColor=Object(q.adjust)(this.primaryColor,{h:120}),this.secondaryColor="#ffffde",this.tertiaryColor=Object(q.adjust)(this.primaryColor,{h:-160}),this.primaryBorderColor=X(this.primaryColor,this.darkMode),this.secondaryBorderColor=X(this.secondaryColor,this.darkMode),this.tertiaryBorderColor=X(this.tertiaryColor,this.darkMode),this.primaryTextColor=Object(q.invert)(this.primaryColor),this.secondaryTextColor=Object(q.invert)(this.secondaryColor),this.tertiaryTextColor=Object(q.invert)(this.tertiaryColor),this.lineColor=Object(q.invert)(this.background),this.textColor=Object(q.invert)(this.background),this.background="white",this.mainBkg="#ECECFF",this.secondBkg="#ffffde",this.lineColor="#333333",this.border1="#9370DB",this.border2="#aaaa33",this.arrowheadColor="#333333",this.fontFamily='"trebuchet ms", verdana, arial, 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e,n,r;return e=t,(n=[{key:"updateColors",value:function(){this.nodeBkg=this.mainBkg,this.nodeBorder=this.border1,this.clusterBkg=this.secondBkg,this.clusterBorder=this.border2,this.defaultLinkColor=this.lineColor,this.titleColor=this.textColor,this.edgeLabelBackground=this.labelBackground,this.actorBorder=Object(q.lighten)(this.border1,23),this.actorBkg=this.mainBkg,this.labelBoxBkgColor=this.actorBkg,this.signalColor=this.textColor,this.signalTextColor=this.textColor,this.labelBoxBorderColor=this.actorBorder,this.labelTextColor=this.actorTextColor,this.loopTextColor=this.actorTextColor,this.noteBorderColor=this.border2,this.noteTextColor=this.actorTextColor,this.taskTextColor=this.taskTextLightColor,this.taskTextOutsideColor=this.taskTextDarkColor,this.classText=this.primaryTextColor,this.fillType0=this.primaryColor,this.fillType1=this.secondaryColor,this.fillType2=Object(q.adjust)(this.primaryColor,{h:64}),this.fillType3=Object(q.adjust)(this.secondaryColor,{h:64}),this.fillType4=Object(q.adjust)(this.primaryColor,{h:-64}),this.fillType5=Object(q.adjust)(this.secondaryColor,{h:-64}),this.fillType6=Object(q.adjust)(this.primaryColor,{h:128}),this.fillType7=Object(q.adjust)(this.secondaryColor,{h:128})}},{key:"calculate",value:function(t){var e=this;if("object"===nt(t)){var n=Object.keys(t);n.forEach((function(n){e[n]=t[n]})),this.updateColors(),n.forEach((function(n){e[n]=t[n]}))}else this.updateColors()}}])&&rt(e.prototype,n),r&&rt(e,r),t}();function at(t){return(at="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function ot(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var st=function(){function t(){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.background="#f4f4f4",this.primaryColor="#cde498",this.secondaryColor="#cdffb2",this.background="white",this.mainBkg="#cde498",this.secondBkg="#cdffb2",this.lineColor="green",this.border1="#13540c",this.border2="#6eaa49",this.arrowheadColor="green",this.fontFamily='"trebuchet ms", verdana, arial, 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e,n,r;return e=t,(n=[{key:"updateColors",value:function(){this.nodeBkg=this.mainBkg,this.nodeBorder=this.border1,this.clusterBkg=this.secondBkg,this.clusterBorder=this.border2,this.defaultLinkColor=this.lineColor,this.actorBorder=Object(q.darken)(this.mainBkg,20),this.actorBkg=this.mainBkg,this.labelBoxBkgColor=this.actorBkg,this.labelTextColor=this.actorTextColor,this.loopTextColor=this.actorTextColor,this.noteBorderColor=this.border2,this.noteTextColor=this.actorTextColor,this.taskBorderColor=this.border1,this.taskTextColor=this.taskTextLightColor,this.taskTextOutsideColor=this.taskTextDarkColor,this.activeTaskBorderColor=this.taskBorderColor,this.activeTaskBkgColor=this.mainBkg,this.classText=this.primaryTextColor,this.fillType0=this.primaryColor,this.fillType1=this.secondaryColor,this.fillType2=Object(q.adjust)(this.primaryColor,{h:64}),this.fillType3=Object(q.adjust)(this.secondaryColor,{h:64}),this.fillType4=Object(q.adjust)(this.primaryColor,{h:-64}),this.fillType5=Object(q.adjust)(this.secondaryColor,{h:-64}),this.fillType6=Object(q.adjust)(this.primaryColor,{h:128}),this.fillType7=Object(q.adjust)(this.secondaryColor,{h:128})}},{key:"calculate",value:function(t){var e=this;if("object"===at(t)){var n=Object.keys(t);n.forEach((function(n){e[n]=t[n]})),this.updateColors(),n.forEach((function(n){e[n]=t[n]}))}else this.updateColors()}}])&&ot(e.prototype,n),r&&ot(e,r),t}();function ct(t){return(ct="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function ut(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var lt=function(){function t(){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.primaryColor="#eee",this.contrast="#26a",this.secondaryColor=Object(q.lighten)(this.contrast,55),this.background="#ffffff",this.tertiaryColor=Object(q.adjust)(this.primaryColor,{h:-160}),this.primaryBorderColor=X(this.primaryColor,this.darkMode),this.secondaryBorderColor=X(this.secondaryColor,this.darkMode),this.tertiaryBorderColor=X(this.tertiaryColor,this.darkMode),this.primaryTextColor=Object(q.invert)(this.primaryColor),this.secondaryTextColor=Object(q.invert)(this.secondaryColor),this.tertiaryTextColor=Object(q.invert)(this.tertiaryColor),this.lineColor=Object(q.invert)(this.background),this.textColor=Object(q.invert)(this.background),this.altBackground=Object(q.lighten)(this.contrast,55),this.mainBkg="#eee",this.secondBkg="calculated",this.lineColor="#666",this.border1="#999",this.border2="calculated",this.note="#ffa",this.text="#333",this.critical="#d42",this.done="#bbb",this.arrowheadColor="#333333",this.fontFamily='"trebuchet ms", verdana, arial, sans-serif',this.fontSize="16px",this.nodeBkg="calculated",this.nodeBorder="calculated",this.clusterBkg="calculated",this.clusterBorder="calculated",this.defaultLinkColor="calculated",this.titleColor="calculated",this.edgeLabelBackground="white",this.actorBorder="calculated",this.actorBkg="calculated",this.actorTextColor="calculated",this.actorLineColor="calculated",this.signalColor="calculated",this.signalTextColor="calculated",this.labelBoxBkgColor="calculated",this.labelBoxBorderColor="calculated",this.labelTextColor="calculated",this.loopTextColor="calculated",this.noteBorderColor="calculated",this.noteBkgColor="calculated",this.noteTextColor="calculated",this.activationBorderColor="#666",this.activationBkgColor="#f4f4f4",this.sequenceNumberColor="white",this.sectionBkgColor="calculated",this.altSectionBkgColor="white",this.sectionBkgColor2="calculated",this.taskBorderColor="calculated",this.taskBkgColor="calculated",this.taskTextLightColor="white",this.taskTextColor="calculated",this.taskTextDarkColor="calculated",this.taskTextOutsideColor="calculated",this.taskTextClickableColor="#003163",this.activeTaskBorderColor="calculated",this.activeTaskBkgColor="calculated",this.gridColor="calculated",this.doneTaskBkgColor="calculated",this.doneTaskBorderColor="calculated",this.critBkgColor="calculated",this.critBorderColor="calculated",this.todayLineColor="calculated",this.labelColor="black",this.errorBkgColor="#552222",this.errorTextColor="#552222"}var e,n,r;return e=t,(n=[{key:"updateColors",value:function(){this.secondBkg=Object(q.lighten)(this.contrast,55),this.border2=this.contrast,this.nodeBkg=this.mainBkg,this.nodeBorder=this.border1,this.clusterBkg=this.secondBkg,this.clusterBorder=this.border2,this.defaultLinkColor=this.lineColor,this.titleColor=this.text,this.actorBorder=Object(q.lighten)(this.border1,23),this.actorBkg=this.mainBkg,this.actorTextColor=this.text,this.actorLineColor=this.lineColor,this.signalColor=this.text,this.signalTextColor=this.text,this.labelBoxBkgColor=this.actorBkg,this.labelBoxBorderColor=this.actorBorder,this.labelTextColor=this.text,this.loopTextColor=this.text,this.noteBorderColor=Object(q.darken)(this.note,60),this.noteBkgColor=this.note,this.noteTextColor=this.actorTextColor,this.sectionBkgColor=Object(q.lighten)(this.contrast,30),this.sectionBkgColor2=Object(q.lighten)(this.contrast,30),this.taskBorderColor=Object(q.darken)(this.contrast,10),this.taskBkgColor=this.contrast,this.taskTextColor=this.taskTextLightColor,this.taskTextDarkColor=this.text,this.taskTextOutsideColor=this.taskTextDarkColor,this.activeTaskBorderColor=this.taskBorderColor,this.activeTaskBkgColor=this.mainBkg,this.gridColor=Object(q.lighten)(this.border1,30),this.doneTaskBkgColor=this.done,this.doneTaskBorderColor=this.lineColor,this.critBkgColor=this.critical,this.critBorderColor=Object(q.darken)(this.critBkgColor,10),this.todayLineColor=this.critBkgColor,this.classText=this.primaryTextColor,this.fillType0=this.primaryColor,this.fillType1=this.secondaryColor,this.fillType2=Object(q.adjust)(this.primaryColor,{h:64}),this.fillType3=Object(q.adjust)(this.secondaryColor,{h:64}),this.fillType4=Object(q.adjust)(this.primaryColor,{h:-64}),this.fillType5=Object(q.adjust)(this.secondaryColor,{h:-64}),this.fillType6=Object(q.adjust)(this.primaryColor,{h:128}),this.fillType7=Object(q.adjust)(this.secondaryColor,{h:128})}},{key:"calculate",value:function(t){var e=this;if("object"===ct(t)){var n=Object.keys(t);n.forEach((function(n){e[n]=t[n]})),this.updateColors(),n.forEach((function(n){e[n]=t[n]}))}else this.updateColors()}}])&&ut(e.prototype,n),r&&ut(e,r),t}(),ht={base:{getThemeVariables:function(t){var e=new K;return e.calculate(t),e}},dark:{getThemeVariables:function(t){var e=new et;return e.calculate(t),e}},default:{getThemeVariables:function(t){var e=new it;return e.calculate(t),e}},forest:{getThemeVariables:function(t){var e=new st;return e.calculate(t),e}},neutral:{getThemeVariables:function(t){var e=new lt;return e.calculate(t),e}}},ft={theme:"default",themeVariables:ht.default.getThemeVariables(),themeCSS:void 0,maxTextSize:5e4,fontFamily:'"trebuchet ms", verdana, arial, sans-serif;',logLevel:5,securityLevel:"strict",startOnLoad:!0,arrowMarkerAbsolute:!1,secure:["secure","securityLevel","startOnLoad","maxTextSize"],deterministicIds:!1,deterministicIDSeed:void 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0,useMaxWidth:!0},state:{dividerMargin:10,sizeUnit:5,padding:8,textHeight:10,titleShift:-15,noteMargin:10,forkWidth:70,forkHeight:7,miniPadding:2,fontSizeFactor:5.02,fontSize:24,labelHeight:16,edgeLengthFactor:"20",compositTitleSize:35,radius:5,useMaxWidth:!0},er:{diagramPadding:20,layoutDirection:"TB",minEntityWidth:100,minEntityHeight:75,entityPadding:15,stroke:"gray",fill:"honeydew",fontSize:12,useMaxWidth:!0},pie:{useWidth:void 0,useMaxWidth:!0}};ft.class.arrowMarkerAbsolute=ft.arrowMarkerAbsolute,ft.git.arrowMarkerAbsolute=ft.arrowMarkerAbsolute;var dt,pt=ft,gt=Object.freeze(pt),yt=F({},gt),vt=[],mt=F({},gt),bt=function(t,e){for(var n=F({},t),r={},i=0;i<e.length;i++){var a=e[i];kt(a),r=F(r,a)}if(n=F(n,r),r.theme){var o=F(dt.themeVariables||{},r.themeVariables);n.themeVariables=ht[n.theme].getThemeVariables(o)}return mt=n,n},xt=function(){return F({},yt)},_t=function(){return F({},mt)},kt=function(t){Object.keys(yt.secure).forEach((function(e){void 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i=this,a=0;function o(o){return function(s){a++;var c=i.sequenceItems.length-a+1;i.updateVal(s,"starty",e-c*cr.boxMargin,Math.min),i.updateVal(s,"stopy",r+c*cr.boxMargin,Math.max),i.updateVal(ur.data,"startx",t-c*cr.boxMargin,Math.min),i.updateVal(ur.data,"stopx",n+c*cr.boxMargin,Math.max),"activation"!==o&&(i.updateVal(s,"startx",t-c*cr.boxMargin,Math.min),i.updateVal(s,"stopx",n+c*cr.boxMargin,Math.max),i.updateVal(ur.data,"starty",e-c*cr.boxMargin,Math.min),i.updateVal(ur.data,"stopy",r+c*cr.boxMargin,Math.max))}}this.sequenceItems.forEach(o()),this.activations.forEach(o("activation"))},insert:function(t,e,n,r){var i=Math.min(t,n),a=Math.max(t,n),o=Math.min(e,r),s=Math.max(e,r);this.updateVal(ur.data,"startx",i,Math.min),this.updateVal(ur.data,"starty",o,Math.min),this.updateVal(ur.data,"stopx",a,Math.max),this.updateVal(ur.data,"stopy",s,Math.max),this.updateBounds(i,o,a,s)},newActivation:function(t,e,n){var r=n[t.from.actor],i=gr(t.from.actor).length||0,a=r.x+r.width/2+(i-1)*cr.activationWidth/2;this.activations.push({startx:a,starty:this.verticalPos+2,stopx:a+cr.activationWidth,stopy:void 0,actor:t.from.actor,anchored:$n.anchorElement(e)})},endActivation:function(t){var e=this.activations.map((function(t){return t.actor})).lastIndexOf(t.from.actor);return this.activations.splice(e,1)[0]},createLoop:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{message:void 0,wrap:!1,width:void 0},e=arguments.length>1?arguments[1]:void 0;return{startx:void 0,starty:this.verticalPos,stopx:void 0,stopy:void 0,title:t.message,wrap:t.wrap,width:t.width,height:0,fill:e}},newLoop:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{message:void 0,wrap:!1,width:void 0},e=arguments.length>1?arguments[1]:void 0;this.sequenceItems.push(this.createLoop(t,e))},endLoop:function(){return this.sequenceItems.pop()},addSectionToLoop:function(t){var e=this.sequenceItems.pop();e.sections=e.sections||[],e.sectionTitles=e.sectionTitles||[],e.sections.push({y:ur.getVerticalPos(),height:0}),e.sectionTitles.push(t),this.sequenceItems.push(e)},bumpVerticalPos:function(t){this.verticalPos=this.verticalPos+t,this.data.stopy=this.verticalPos},getVerticalPos:function(){return this.verticalPos},getBounds:function(){return{bounds:this.data,models:this.models}}},lr=function(t){return{fontFamily:t.messageFontFamily,fontSize:t.messageFontSize,fontWeight:t.messageFontWeight}},hr=function(t){return{fontFamily:t.noteFontFamily,fontSize:t.noteFontSize,fontWeight:t.noteFontWeight}},fr=function(t){return{fontFamily:t.actorFontFamily,fontSize:t.actorFontSize,fontWeight:t.actorFontWeight}},dr=function(t,e,n,r){for(var i=0,a=0,o=0;o<n.length;o++){var s=e[n[o]];s.width=s.width||cr.width,s.height=Math.max(s.height||cr.height,cr.height),s.margin=s.margin||cr.actorMargin,s.x=i+a,s.y=r,$n.drawActor(t,s,cr),ur.insert(s.x,r,s.x+s.width,s.height),i+=s.width,a+=s.margin,ur.models.addActor(s)}ur.bumpVerticalPos(cr.height)},pr=function(t){F(cr,t),t.fontFamily&&(cr.actorFontFamily=cr.noteFontFamily=cr.messageFontFamily=t.fontFamily),t.fontSize&&(cr.actorFontSize=cr.noteFontSize=cr.messageFontSize=t.fontSize),t.fontWeight&&(cr.actorFontWeight=cr.noteFontWeight=cr.messageFontWeight=t.fontWeight)},gr=function(t){return ur.activations.filter((function(e){return e.actor===t}))},yr=function(t,e){var n=e[t],r=gr(t);return[r.reduce((function(t,e){return Math.min(t,e.startx)}),n.x+n.width/2),r.reduce((function(t,e){return Math.max(t,e.stopx)}),n.x+n.width/2)]};function vr(t,e,n,r,i){ur.bumpVerticalPos(n);var a=r;if(e.id&&e.message&&t[e.id]){var o=t[e.id].width,s=lr(cr);e.message=H.wrapLabel("[".concat(e.message,"]"),o-2*cr.wrapPadding,s),e.width=o,e.wrap=!0;var u=H.calculateTextDimensions(e.message,s),l=Math.max(u.height,cr.labelBoxHeight);a=r+l,c.debug("".concat(l," - ").concat(e.message))}i(e),ur.bumpVerticalPos(a)}var mr=function(t,e){var n={};return e.forEach((function(e){if(t[e.to]&&t[e.from]){var r=t[e.to];if(e.placement===Wn.parser.yy.PLACEMENT.LEFTOF&&!r.prevActor)return;if(e.placement===Wn.parser.yy.PLACEMENT.RIGHTOF&&!r.nextActor)return;var i=void 0!==e.placement,a=!i,o=i?hr(cr):lr(cr),s=e.wrap?H.wrapLabel(e.message,cr.width-2*cr.wrapPadding,o):e.message,c=H.calculateTextDimensions(s,o).width+2*cr.wrapPadding;a&&e.from===r.nextActor?n[e.to]=Math.max(n[e.to]||0,c):a&&e.from===r.prevActor?n[e.from]=Math.max(n[e.from]||0,c):a&&e.from===e.to?(n[e.from]=Math.max(n[e.from]||0,c/2),n[e.to]=Math.max(n[e.to]||0,c/2)):e.placement===Wn.parser.yy.PLACEMENT.RIGHTOF?n[e.from]=Math.max(n[e.from]||0,c):e.placement===Wn.parser.yy.PLACEMENT.LEFTOF?n[r.prevActor]=Math.max(n[r.prevActor]||0,c):e.placement===Wn.parser.yy.PLACEMENT.OVER&&(r.prevActor&&(n[r.prevActor]=Math.max(n[r.prevActor]||0,c/2)),r.nextActor&&(n[e.from]=Math.max(n[e.from]||0,c/2)))}})),c.debug("maxMessageWidthPerActor:",n),n},br=function(t,e){var n=0;for(var r in Object.keys(t).forEach((function(e){var r=t[e];r.wrap&&(r.description=H.wrapLabel(r.description,cr.width-2*cr.wrapPadding,fr(cr)));var i=H.calculateTextDimensions(r.description,fr(cr));r.width=r.wrap?cr.width:Math.max(cr.width,i.width+2*cr.wrapPadding),r.height=r.wrap?Math.max(i.height,cr.height):cr.height,n=Math.max(n,r.height)})),e){var i=t[r];if(i){var a=t[i.nextActor];if(a){var o=e[r]+cr.actorMargin-i.width/2-a.width/2;i.margin=Math.max(o,cr.actorMargin)}}}return Math.max(n,cr.height)},xr=function(t,e){var n,r,i,a={},o=[];return t.forEach((function(t){switch(t.id=H.random({length:10}),t.type){case Wn.parser.yy.LINETYPE.LOOP_START:case Wn.parser.yy.LINETYPE.ALT_START:case Wn.parser.yy.LINETYPE.OPT_START:case Wn.parser.yy.LINETYPE.PAR_START:o.push({id:t.id,msg:t.message,from:Number.MAX_SAFE_INTEGER,to:Number.MIN_SAFE_INTEGER,width:0});break;case Wn.parser.yy.LINETYPE.ALT_ELSE:case Wn.parser.yy.LINETYPE.PAR_AND:t.message&&(n=o.pop(),a[n.id]=n,a[t.id]=n,o.push(n));break;case Wn.parser.yy.LINETYPE.LOOP_END:case Wn.parser.yy.LINETYPE.ALT_END:case Wn.parser.yy.LINETYPE.OPT_END:case Wn.parser.yy.LINETYPE.PAR_END:n=o.pop(),a[n.id]=n;break;case Wn.parser.yy.LINETYPE.ACTIVE_START:var s=e[t.from?t.from.actor:t.to.actor],u=gr(t.from?t.from.actor:t.to.actor).length,l=s.x+s.width/2+(u-1)*cr.activationWidth/2,h={startx:l,stopx:l+cr.activationWidth,actor:t.from.actor,enabled:!0};ur.activations.push(h);break;case Wn.parser.yy.LINETYPE.ACTIVE_END:var f=ur.activations.map((function(t){return t.actor})).lastIndexOf(t.from.actor);delete ur.activations.splice(f,1)[0]}void 0!==t.placement?(r=function(t,e){var n=e[t.from].x,r=e[t.to].x,i=t.wrap&&t.message,a=H.calculateTextDimensions(i?H.wrapLabel(t.message,cr.width,hr(cr)):t.message,hr(cr)),o={width:i?cr.width:Math.max(cr.width,a.width+2*cr.noteMargin),height:0,startx:e[t.from].x,stopx:0,starty:0,stopy:0,message:t.message};return t.placement===Wn.parser.yy.PLACEMENT.RIGHTOF?(o.width=i?Math.max(cr.width,a.width):Math.max(e[t.from].width/2+e[t.to].width/2,a.width+2*cr.noteMargin),o.startx=n+(e[t.from].width+cr.actorMargin)/2):t.placement===Wn.parser.yy.PLACEMENT.LEFTOF?(o.width=i?Math.max(cr.width,a.width+2*cr.noteMargin):Math.max(e[t.from].width/2+e[t.to].width/2,a.width+2*cr.noteMargin),o.startx=n-o.width+(e[t.from].width-cr.actorMargin)/2):t.to===t.from?(a=H.calculateTextDimensions(i?H.wrapLabel(t.message,Math.max(cr.width,e[t.from].width),hr(cr)):t.message,hr(cr)),o.width=i?Math.max(cr.width,e[t.from].width):Math.max(e[t.from].width,cr.width,a.width+2*cr.noteMargin),o.startx=n+(e[t.from].width-o.width)/2):(o.width=Math.abs(n+e[t.from].width/2-(r+e[t.to].width/2))+cr.actorMargin,o.startx=n<r?n+e[t.from].width/2-cr.actorMargin/2:r+e[t.to].width/2-cr.actorMargin/2),i&&(o.message=H.wrapLabel(t.message,o.width-2*cr.wrapPadding,hr(cr))),c.debug("NM:[".concat(o.startx,",").concat(o.stopx,",").concat(o.starty,",").concat(o.stopy,":").concat(o.width,",").concat(o.height,"=").concat(t.message,"]")),o}(t,e),t.noteModel=r,o.forEach((function(t){(n=t).from=Math.min(n.from,r.startx),n.to=Math.max(n.to,r.startx+r.width),n.width=Math.max(n.width,Math.abs(n.from-n.to))-cr.labelBoxWidth}))):(i=function(t,e){var n=!1;if([Wn.parser.yy.LINETYPE.SOLID_OPEN,Wn.parser.yy.LINETYPE.DOTTED_OPEN,Wn.parser.yy.LINETYPE.SOLID,Wn.parser.yy.LINETYPE.DOTTED,Wn.parser.yy.LINETYPE.SOLID_CROSS,Wn.parser.yy.LINETYPE.DOTTED_CROSS,Wn.parser.yy.LINETYPE.SOLID_POINT,Wn.parser.yy.LINETYPE.DOTTED_POINT].includes(t.type)&&(n=!0),!n)return{};var r=yr(t.from,e),i=yr(t.to,e),a=r[0]<=i[0]?1:0,o=r[0]<i[0]?0:1,s=r.concat(i),c=Math.abs(i[o]-r[a]);t.wrap&&t.message&&(t.message=H.wrapLabel(t.message,Math.max(c+2*cr.wrapPadding,cr.width),lr(cr)));var u=H.calculateTextDimensions(t.message,lr(cr));return{width:Math.max(t.wrap?0:u.width+2*cr.wrapPadding,c+2*cr.wrapPadding,cr.width),height:0,startx:r[a],stopx:i[o],starty:0,stopy:0,message:t.message,type:t.type,wrap:t.wrap,fromBounds:Math.min.apply(null,s),toBounds:Math.max.apply(null,s)}}(t,e),t.msgModel=i,i.startx&&i.stopx&&o.length>0&&o.forEach((function(r){if(n=r,i.startx===i.stopx){var a=e[t.from],o=e[t.to];n.from=Math.min(a.x-i.width/2,a.x-a.width/2,n.from),n.to=Math.max(o.x+i.width/2,o.x+a.width/2,n.to),n.width=Math.max(n.width,Math.abs(n.to-n.from))-cr.labelBoxWidth}else n.from=Math.min(i.startx,n.from),n.to=Math.max(i.stopx,n.to),n.width=Math.max(n.width,i.width)-cr.labelBoxWidth})))})),ur.activations=[],c.debug("Loop type widths:",a),a},_r={bounds:ur,drawActors:dr,setConf:pr,draw:function(t,e){cr=_t().sequence,Wn.parser.yy.clear(),Wn.parser.yy.setWrap(cr.wrap),Wn.parser.parse(t+"\n"),ur.init(),c.debug("C:".concat(JSON.stringify(cr,null,2)));var n=Object(d.select)('[id="'.concat(e,'"]')),r=Wn.parser.yy.getActors(),i=Wn.parser.yy.getActorKeys(),a=Wn.parser.yy.getMessages(),o=Wn.parser.yy.getTitle(),s=mr(r,a);cr.height=br(r,s),dr(n,r,i,0);var u=xr(a,r,s);$n.insertArrowHead(n),$n.insertArrowCrossHead(n),$n.insertArrowFilledHead(n),$n.insertSequenceNumber(n);var l=1;a.forEach((function(t){var e,i,a;switch(t.type){case Wn.parser.yy.LINETYPE.NOTE:i=t.noteModel,function(t,e){ur.bumpVerticalPos(cr.boxMargin),e.height=cr.boxMargin,e.starty=ur.getVerticalPos();var n=$n.getNoteRect();n.x=e.startx,n.y=e.starty,n.width=e.width||cr.width,n.class="note";var r=t.append("g"),i=$n.drawRect(r,n),a=$n.getTextObj();a.x=e.startx,a.y=e.starty,a.width=n.width,a.dy="1em",a.text=e.message,a.class="noteText",a.fontFamily=cr.noteFontFamily,a.fontSize=cr.noteFontSize,a.fontWeight=cr.noteFontWeight,a.anchor=cr.noteAlign,a.textMargin=cr.noteMargin,a.valign=cr.noteAlign;var o=Fn(r,a),s=Math.round(o.map((function(t){return(t._groups||t)[0][0].getBBox().height})).reduce((function(t,e){return t+e})));i.attr("height",s+2*cr.noteMargin),e.height+=s+2*cr.noteMargin,ur.bumpVerticalPos(s+2*cr.noteMargin),e.stopy=e.starty+s+2*cr.noteMargin,e.stopx=e.startx+n.width,ur.insert(e.startx,e.starty,e.stopx,e.stopy),ur.models.addNote(e)}(n,i);break;case Wn.parser.yy.LINETYPE.ACTIVE_START:ur.newActivation(t,n,r);break;case Wn.parser.yy.LINETYPE.ACTIVE_END:!function(t,e){var r=ur.endActivation(t);r.starty+18>e&&(r.starty=e-6,e+=12),$n.drawActivation(n,r,e,cr,gr(t.from.actor).length),ur.insert(r.startx,e-10,r.stopx,e)}(t,ur.getVerticalPos());break;case Wn.parser.yy.LINETYPE.LOOP_START:vr(u,t,cr.boxMargin,cr.boxMargin+cr.boxTextMargin,(function(t){return ur.newLoop(t)}));break;case Wn.parser.yy.LINETYPE.LOOP_END:e=ur.endLoop(),$n.drawLoop(n,e,"loop",cr),ur.bumpVerticalPos(e.stopy-ur.getVerticalPos()),ur.models.addLoop(e);break;case Wn.parser.yy.LINETYPE.RECT_START:vr(u,t,cr.boxMargin,cr.boxMargin,(function(t){return ur.newLoop(void 0,t.message)}));break;case Wn.parser.yy.LINETYPE.RECT_END:e=ur.endLoop(),$n.drawBackgroundRect(n,e),ur.models.addLoop(e),ur.bumpVerticalPos(e.stopy-ur.getVerticalPos());break;case Wn.parser.yy.LINETYPE.OPT_START:vr(u,t,cr.boxMargin,cr.boxMargin+cr.boxTextMargin,(function(t){return ur.newLoop(t)}));break;case Wn.parser.yy.LINETYPE.OPT_END:e=ur.endLoop(),$n.drawLoop(n,e,"opt",cr),ur.bumpVerticalPos(e.stopy-ur.getVerticalPos()),ur.models.addLoop(e);break;case Wn.parser.yy.LINETYPE.ALT_START:vr(u,t,cr.boxMargin,cr.boxMargin+cr.boxTextMargin,(function(t){return ur.newLoop(t)}));break;case Wn.parser.yy.LINETYPE.ALT_ELSE:vr(u,t,cr.boxMargin+cr.boxTextMargin,cr.boxMargin,(function(t){return ur.addSectionToLoop(t)}));break;case Wn.parser.yy.LINETYPE.ALT_END:e=ur.endLoop(),$n.drawLoop(n,e,"alt",cr),ur.bumpVerticalPos(e.stopy-ur.getVerticalPos()),ur.models.addLoop(e);break;case Wn.parser.yy.LINETYPE.PAR_START:vr(u,t,cr.boxMargin,cr.boxMargin+cr.boxTextMargin,(function(t){return ur.newLoop(t)}));break;case Wn.parser.yy.LINETYPE.PAR_AND:vr(u,t,cr.boxMargin+cr.boxTextMargin,cr.boxMargin,(function(t){return ur.addSectionToLoop(t)}));break;case Wn.parser.yy.LINETYPE.PAR_END:e=ur.endLoop(),$n.drawLoop(n,e,"par",cr),ur.bumpVerticalPos(e.stopy-ur.getVerticalPos()),ur.models.addLoop(e);break;default:try{(a=t.msgModel).starty=ur.getVerticalPos(),a.sequenceIndex=l,function(t,e){ur.bumpVerticalPos(10);var n=e.startx,r=e.stopx,i=e.starty,a=e.message,o=e.type,s=e.sequenceIndex,c=x.splitBreaks(a).length,u=H.calculateTextDimensions(a,lr(cr)),l=u.height/c;e.height+=l,ur.bumpVerticalPos(l);var h=$n.getTextObj();h.x=n,h.y=i+10,h.width=r-n,h.class="messageText",h.dy="1em",h.text=a,h.fontFamily=cr.messageFontFamily,h.fontSize=cr.messageFontSize,h.fontWeight=cr.messageFontWeight,h.anchor=cr.messageAlign,h.valign=cr.messageAlign,h.textMargin=cr.wrapPadding,h.tspan=!1,Fn(t,h);var f,d,p=u.height-10,g=u.width;if(n===r){d=ur.getVerticalPos()+p,cr.rightAngles?f=t.append("path").attr("d","M  ".concat(n,",").concat(d," H ").concat(n+Math.max(cr.width/2,g/2)," V ").concat(d+25," H ").concat(n)):(p+=cr.boxMargin,d=ur.getVerticalPos()+p,f=t.append("path").attr("d","M "+n+","+d+" C "+(n+60)+","+(d-10)+" "+(n+60)+","+(d+30)+" "+n+","+(d+20))),p+=30;var y=Math.max(g/2,cr.width/2);ur.insert(n-y,ur.getVerticalPos()-10+p,r+y,ur.getVerticalPos()+30+p)}else p+=cr.boxMargin,d=ur.getVerticalPos()+p,(f=t.append("line")).attr("x1",n),f.attr("y1",d),f.attr("x2",r),f.attr("y2",d),ur.insert(n,d-10,r,d);o===Wn.parser.yy.LINETYPE.DOTTED||o===Wn.parser.yy.LINETYPE.DOTTED_CROSS||o===Wn.parser.yy.LINETYPE.DOTTED_POINT||o===Wn.parser.yy.LINETYPE.DOTTED_OPEN?(f.style("stroke-dasharray","3, 3"),f.attr("class","messageLine1")):f.attr("class","messageLine0");var v="";cr.arrowMarkerAbsolute&&(v=(v=(v=window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.search).replace(/\(/g,"\\(")).replace(/\)/g,"\\)")),f.attr("stroke-width",2),f.attr("stroke","none"),f.style("fill","none"),o!==Wn.parser.yy.LINETYPE.SOLID&&o!==Wn.parser.yy.LINETYPE.DOTTED||f.attr("marker-end","url("+v+"#arrowhead)"),o!==Wn.parser.yy.LINETYPE.SOLID_POINT&&o!==Wn.parser.yy.LINETYPE.DOTTED_POINT||f.attr("marker-end","url("+v+"#filled-head)"),o!==Wn.parser.yy.LINETYPE.SOLID_CROSS&&o!==Wn.parser.yy.LINETYPE.DOTTED_CROSS||f.attr("marker-end","url("+v+"#crosshead)"),(sr.showSequenceNumbers()||cr.showSequenceNumbers)&&(f.attr("marker-start","url("+v+"#sequencenumber)"),t.append("text").attr("x",n).attr("y",d+4).attr("font-family","sans-serif").attr("font-size","12px").attr("text-anchor","middle").attr("textLength","16px").attr("class","sequenceNumber").text(s)),ur.bumpVerticalPos(p),e.height+=p,e.stopy=e.starty+e.height,ur.insert(e.fromBounds,e.starty,e.toBounds,e.stopy)}(n,a),ur.models.addMessage(a)}catch(t){c.error("error while drawing message",t)}}[Wn.parser.yy.LINETYPE.SOLID_OPEN,Wn.parser.yy.LINETYPE.DOTTED_OPEN,Wn.parser.yy.LINETYPE.SOLID,Wn.parser.yy.LINETYPE.DOTTED,Wn.parser.yy.LINETYPE.SOLID_CROSS,Wn.parser.yy.LINETYPE.DOTTED_CROSS,Wn.parser.yy.LINETYPE.SOLID_POINT,Wn.parser.yy.LINETYPE.DOTTED_POINT].includes(t.type)&&l++})),cr.mirrorActors&&(ur.bumpVerticalPos(2*cr.boxMargin),dr(n,r,i,ur.getVerticalPos()));var h=ur.getBounds().bounds;c.debug("For line height fix Querying: #"+e+" .actor-line"),Object(d.selectAll)("#"+e+" .actor-line").attr("y2",h.stopy);var f=h.stopy-h.starty+2*cr.diagramMarginY;cr.mirrorActors&&(f=f-cr.boxMargin+cr.bottomMarginAdj);var p=h.stopx-h.startx+2*cr.diagramMarginX;o&&n.append("text").text(o).attr("x",(h.stopx-h.startx)/2-2*cr.diagramMarginX).attr("y",-25),W(n,f,p,cr.useMaxWidth);var g=o?40:0;n.attr("viewBox",h.startx-cr.diagramMarginX+" -"+(cr.diagramMarginY+g)+" "+p+" "+(f+g)),c.debug("models:",ur.models)}},kr=n(27),wr=n.n(kr);function Er(t){return 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p=o.height+2*r,g="attributeBoxOdd";s.forEach((function(e){var n=p+r+Math.max(e.tn.node().getBBox().height,e.nn.node().getBBox().height)/2;e.tn.attr("transform","translate("+i+","+n+")");var a=t.insert("rect","#"+e.tn.node().id).attr("class","er ".concat(g)).attr("fill",Qa.fill).attr("fill-opacity","100%").attr("stroke",Qa.stroke).attr("x",0).attr("y",p).attr("width",c+2*i+d/2).attr("height",e.tn.node().getBBox().height+2*r);e.nn.attr("transform","translate("+(parseFloat(a.attr("width"))+i)+","+n+")"),t.insert("rect","#"+e.nn.node().id).attr("class","er ".concat(g)).attr("fill",Qa.fill).attr("fill-opacity","100%").attr("stroke",Qa.stroke).attr("x","".concat(a.attr("x")+a.attr("width"))).attr("y",p).attr("width",u+2*i+d/2).attr("height",e.nn.node().getBBox().height+2*r),p+=Math.max(e.tn.node().getBBox().height,e.nn.node().getBBox().height)+2*r,g="attributeBoxOdd"==g?"attributeBoxEven":"attributeBoxOdd"}))}else 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a,o,s=to(i,Ga.getEntities(),r),u=function(t,e){return t.forEach((function(t){e.setEdge(t.entityA,t.entityB,{relationship:t},eo(t))})),t}(Ga.getRelationships(),r);ke.a.layout(r),a=i,(o=r).nodes().forEach((function(t){void 0!==t&&void 0!==o.node(t)&&a.select("#"+t).attr("transform","translate("+(o.node(t).x-o.node(t).width/2)+","+(o.node(t).y-o.node(t).height/2)+" )")})),u.forEach((function(t){!function(t,e,n,r){no++;var i=n.edge(e.entityA,e.entityB,eo(e)),a=Object(d.line)().x((function(t){return t.x})).y((function(t){return t.y})).curve(d.curveBasis),o=t.insert("path","#"+r).attr("class","er relationshipLine").attr("d",a(i.points)).attr("stroke",Qa.stroke).attr("fill","none");e.relSpec.relType===Ga.Identification.NON_IDENTIFYING&&o.attr("stroke-dasharray","8,8");var s="";switch(Qa.arrowMarkerAbsolute&&(s=(s=(s=window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.search).replace(/\(/g,"\\(")).replace(/\)/g,"\\)")),e.relSpec.cardA){case 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e=Object(d.arc)().startAngle(3*Math.PI/2).endAngle(Math.PI/2*5).innerRadius(7.5).outerRadius(15/2.2);t.append("path").attr("class","mouth").attr("d",e).attr("transform","translate("+o.cx+","+(o.cy+7)+")")}(s):function(t){t.append("line").attr("class","mouth").attr("stroke",2).attr("x1",o.cx-5).attr("y1",o.cy+7).attr("x2",o.cx+5).attr("y2",o.cy+7).attr("class","mouth").attr("stroke-width","1px").attr("stroke","#666")}(s);var c=xo();c.x=e.x,c.y=e.y,c.fill=e.fill,c.width=n.width,c.height=n.height,c.class="task task-type-"+e.num,c.rx=3,c.ry=3,yo(i,c);var u=e.x+14;e.people.forEach((function(t){var n=e.actors[t],r={cx:u,cy:e.y,r:7,fill:n,stroke:"#000",title:t};vo(i,r),u+=10})),_o(n)(e.task,i,c.x,c.y,c.width,c.height,{class:"task"},n,e.colour)},Co=function(t){t.append("defs").append("marker").attr("id","arrowhead").attr("refX",5).attr("refY",2).attr("markerWidth",6).attr("markerHeight",4).attr("orient","auto").append("path").attr("d","M 0,0 V 4 L6,2 Z")};ao.parser.yy=go;var Ao={leftMargin:150,diagramMarginX:50,diagramMarginY:20,taskMargin:50,width:150,height:50,taskFontSize:14,taskFontFamily:'"Open-Sans", "sans-serif"',boxMargin:10,boxTextMargin:5,noteMargin:10,messageMargin:35,messageAlign:"center",bottomMarginAdj:1,activationWidth:10,textPlacement:"fo",actorColours:["#8FBC8F","#7CFC00","#00FFFF","#20B2AA","#B0E0E6","#FFFFE0"],sectionFills:["#191970","#8B008B","#4B0082","#2F4F4F","#800000","#8B4513","#00008B"],sectionColours:["#fff"]},So={};var Mo=Ao.leftMargin,Oo={data:{startx:void 0,stopx:void 0,starty:void 0,stopy:void 0},verticalPos:0,sequenceItems:[],init:function(){this.sequenceItems=[],this.data={startx:void 0,stopx:void 0,starty:void 0,stopy:void 0},this.verticalPos=0},updateVal:function(t,e,n,r){void 0===t[e]?t[e]=n:t[e]=r(n,t[e])},updateBounds:function(t,e,n,r){var i,a=this,o=0;this.sequenceItems.forEach((function(s){o++;var 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this.data}},Do=Ao.sectionFills,No=Ao.sectionColours,Bo=function(t,e,n){for(var r="",i=n+(2*Ao.height+Ao.diagramMarginY),a=0,o="#CCC",s="black",c=0,u=0;u<e.length;u++){var l=e[u];if(r!==l.section){o=Do[a%Do.length],c=a%Do.length,s=No[a%No.length];var h={x:u*Ao.taskMargin+u*Ao.width+Mo,y:50,text:l.section,fill:o,num:c,colour:s};wo(t,h,Ao),r=l.section,a++}var f=l.people.reduce((function(t,e){return So[e]&&(t[e]=So[e]),t}),{});l.x=u*Ao.taskMargin+u*Ao.width+Mo,l.y=i,l.width=Ao.diagramMarginX,l.height=Ao.diagramMarginY,l.colour=s,l.fill=o,l.num=c,l.actors=f,To(t,l,Ao),Oo.insert(l.x,l.y,l.x+l.width+Ao.taskMargin,450)}},Lo=function(t){Object.keys(t).forEach((function(e){Ao[e]=t[e]}))},Po=function(t,e){ao.parser.yy.clear(),ao.parser.parse(t+"\n"),Oo.init();var n=Object(d.select)("#"+e);n.attr("xmlns:xlink","http://www.w3.org/1999/xlink"),Co(n);var r=ao.parser.yy.getTasks(),i=ao.parser.yy.getTitle(),a=ao.parser.yy.getActors();for(var o in So)delete So[o];var s=0;a.forEach((function(t){So[t]=Ao.actorColours[s%Ao.actorColours.length],s++})),function(t){var e=60;Object.keys(So).forEach((function(n){var r=So[n];ko(t,{cx:20,cy:e,r:7,fill:r,stroke:"#000"});var i={x:40,y:e+7,fill:"#666",text:n,textMargin:5|Ao.boxTextMargin};Eo(t,i),e+=20}))}(n),Oo.insert(0,0,Mo,50*Object.keys(So).length),Bo(n,r,0);var c=Oo.getBounds();i&&n.append("text").text(i).attr("x",Mo).attr("font-size","4ex").attr("font-weight","bold").attr("y",25);var u=c.stopy-c.starty+2*Ao.diagramMarginY,l=Mo+c.stopx+2*Ao.diagramMarginX;W(n,u,l,Ao.useMaxWidth),n.append("line").attr("x1",Mo).attr("y1",4*Ao.height).attr("x2",l-Mo-4).attr("y2",4*Ao.height).attr("stroke-width",4).attr("stroke","black").attr("marker-end","url(#arrowhead)");var h=i?70:0;n.attr("viewBox","".concat(c.startx," -25 ").concat(l," ").concat(u+h)),n.attr("preserveAspectRatio","xMinYMin meet")},Io=function(t){return"g.classGroup text {\n  fill: ".concat(t.nodeBorder,";\n  fill: ").concat(t.classText,";\n  stroke: 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fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#compositionEnd, .composition {\n  fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#dependencyStart, .dependency {\n  fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#dependencyStart, .dependency {\n  fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#extensionStart, .extension {\n  fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#extensionEnd, .extension {\n  fill: ").concat(t.lineColor," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#aggregationStart, .aggregation {\n  fill: ").concat(t.mainBkg," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n#aggregationEnd, .aggregation {\n  fill: ").concat(t.mainBkg," !important;\n  stroke: ").concat(t.lineColor," !important;\n  stroke-width: 1;\n}\n\n.edgeTerminals {\n  font-size: 11px;\n}\n\n")},Fo=function(t){return".label {\n    font-family: ".concat(t.fontFamily,";\n    color: ").concat(t.nodeTextColor||t.textColor,";\n  }\n\n  .label text {\n    fill: ").concat(t.nodeTextColor||t.textColor,";\n  }\n\n  .node rect,\n  .node circle,\n  .node ellipse,\n  .node polygon,\n  .node path {\n    fill: ").concat(t.mainBkg,";\n    stroke: ").concat(t.nodeBorder,";\n    stroke-width: 1px;\n  }\n\n  .node .label {\n    text-align: center;\n  }\n  .node.clickable {\n    cursor: pointer;\n  }\n\n  .arrowheadPath {\n    fill: ").concat(t.arrowheadColor,";\n  }\n\n  .edgePath .path {\n    stroke: ").concat(t.lineColor,";\n    stroke-width: 1.5px;\n  }\n\n  .flowchart-link {\n    stroke: ").concat(t.lineColor,";\n    fill: none;\n  }\n\n  .edgeLabel {\n    background-color: ").concat(t.edgeLabelBackground,";\n    rect {\n      opacity: 0.5;\n      background-color: ").concat(t.edgeLabelBackground,";\n      fill: ").concat(t.edgeLabelBackground,";\n    }\n    text-align: center;\n  }\n\n  .cluster rect {\n    fill: ").concat(t.clusterBkg,";\n    stroke: ").concat(t.clusterBorder,";\n    stroke-width: 1px;\n  }\n\n  .cluster text {\n    fill: ").concat(t.titleColor,";\n  }\n\n  div.mermaidTooltip {\n    position: absolute;\n    text-align: center;\n    max-width: 200px;\n    padding: 2px;\n    font-family: ").concat(t.fontFamily,";\n    font-size: 12px;\n    background: ").concat(t.tertiaryColor,";\n    border: 1px solid ").concat(t.border2,";\n    border-radius: 2px;\n    pointer-events: none;\n    z-index: 100;\n  }\n")},jo=function(t){return"g.stateGroup text {\n  fill: ".concat(t.nodeBorder,";\n  stroke: none;\n  font-size: 10px;\n}\ng.stateGroup text {\n  fill: ").concat(t.textColor,";\n  stroke: none;\n  font-size: 10px;\n\n}\ng.stateGroup .state-title {\n  font-weight: bolder;\n  fill: ").concat(t.labelColor,";\n}\n\ng.stateGroup rect {\n  fill: ").concat(t.mainBkg,";\n  stroke: ").concat(t.nodeBorder,";\n}\n\ng.stateGroup line {\n  stroke: ").concat(t.lineColor,";\n  stroke-width: 1;\n}\n\n.transition {\n  stroke: ").concat(t.lineColor,";\n  stroke-width: 1;\n  fill: none;\n}\n\n.stateGroup .composit {\n  fill: ").concat(t.background,";\n  border-bottom: 1px\n}\n\n.stateGroup .alt-composit {\n  fill: #e0e0e0;\n  border-bottom: 1px\n}\n\n.state-note {\n  stroke: ").concat(t.noteBorderColor,";\n  fill: ").concat(t.noteBkgColor,";\n\n  text {\n    fill: black;\n    stroke: none;\n    font-size: 10px;\n  }\n}\n\n.stateLabel .box {\n  stroke: none;\n  stroke-width: 0;\n  fill: ").concat(t.mainBkg,";\n  opacity: 0.5;\n}\n\n.edgeLabel .label rect {\n  fill: ").concat(t.tertiaryColor,";\n  opacity: 0.5;\n}\n.edgeLabel .label text {\n  fill: ").concat(t.tertiaryTextColor,";\n}\n.label div .edgeLabel {\n  color: ").concat(t.tertiaryTextColor,";\n}\n\n.stateLabel text {\n  fill: ").concat(t.labelColor,";\n  font-size: 10px;\n  font-weight: bold;\n}\n\n.node circle.state-start {\n  fill: ").concat(t.lineColor,";\n  stroke: black;\n}\n.node circle.state-end {\n  fill: ").concat(t.primaryBorderColor,";\n  stroke: ").concat(t.background,";\n  stroke-width: 1.5\n}\n.end-state-inner {\n  fill: ").concat(t.background,";\n  // stroke: ").concat(t.background,";\n  stroke-width: 1.5\n}\n\n.node rect {\n  fill: ").concat(t.mainBkg,";\n  stroke: ").concat(t.nodeBorder,";\n  stroke-width: 1px;\n}\n#statediagram-barbEnd {\n  fill: ").concat(t.lineColor,";\n}\n\n.statediagram-cluster rect {\n  fill: ").concat(t.mainBkg,";\n  stroke: ").concat(t.nodeBorder,";\n  stroke-width: 1px;\n}\n\n.cluster-label, .nodeLabel {\n  color: ").concat(t.textColor,";\n}\n\n.statediagram-cluster rect.outer {\n  rx: 5px;\n  ry: 5px;\n}\n.statediagram-state .divider {\n  stroke: ").concat(t.nodeBorder,";\n}\n\n.statediagram-state .title-state {\n  rx: 5px;\n  ry: 5px;\n}\n.statediagram-cluster.statediagram-cluster .inner {\n  fill: ").concat(t.background,";\n}\n.statediagram-cluster.statediagram-cluster-alt .inner {\n  fill: #e0e0e0;\n}\n\n.statediagram-cluster .inner {\n  rx:0;\n  ry:0;\n}\n\n.statediagram-state rect.basic {\n  rx: 5px;\n  ry: 5px;\n}\n.statediagram-state rect.divider {\n  stroke-dasharray: 10,10;\n  fill: ").concat(t.altBackground?t.altBackground:"#efefef",";\n}\n\n.note-edge {\n  stroke-dasharray: 5;\n}\n\n.statediagram-note rect {\n  fill: ").concat(t.noteBkgColor,";\n  stroke: ").concat(t.noteBorderColor,";\n  stroke-width: 1px;\n  rx: 0;\n  ry: 0;\n}\n.statediagram-note rect {\n  fill: ").concat(t.noteBkgColor,";\n  stroke: ").concat(t.noteBorderColor,";\n  stroke-width: 1px;\n  rx: 0;\n  ry: 0;\n}\n\n.statediagram-note text {\n  fill: ").concat(t.noteTextColor,";\n}\n\n.statediagram-note .nodeLabel {\n  color: ").concat(t.noteTextColor,";\n}\n\n#dependencyStart, #dependencyEnd {\n  fill: ").concat(t.lineColor,";\n  stroke: ").concat(t.lineColor,";\n  stroke-width: 1;\n}\n")},Ro={flowchart:Fo,"flowchart-v2":Fo,sequence:function(t){return".actor {\n    stroke: ".concat(t.actorBorder,";\n    fill: ").concat(t.actorBkg,";\n  }\n\n  text.actor > tspan {\n    fill: ").concat(t.actorTextColor,";\n    stroke: none;\n  }\n\n  .actor-line {\n    stroke: ").concat(t.actorLineColor,";\n  }\n\n  .messageLine0 {\n    stroke-width: 1.5;\n    stroke-dasharray: none;\n    stroke: ").concat(t.signalColor,";\n  }\n\n  .messageLine1 {\n    stroke-width: 1.5;\n    stroke-dasharray: 2, 2;\n    stroke: ").concat(t.signalColor,";\n  }\n\n  #arrowhead path {\n    fill: ").concat(t.signalColor,";\n    stroke: ").concat(t.signalColor,";\n  }\n\n  .sequenceNumber {\n    fill: ").concat(t.sequenceNumberColor,";\n  }\n\n  #sequencenumber {\n    fill: ").concat(t.signalColor,";\n  }\n\n  #crosshead path {\n    fill: ").concat(t.signalColor,";\n    stroke: ").concat(t.signalColor,";\n  }\n\n  .messageText {\n    fill: ").concat(t.signalTextColor,";\n    stroke: ").concat(t.signalTextColor,";\n  }\n\n  .labelBox {\n    stroke: ").concat(t.labelBoxBorderColor,";\n    fill: ").concat(t.labelBoxBkgColor,";\n  }\n\n  .labelText, .labelText > tspan {\n    fill: ").concat(t.labelTextColor,";\n    stroke: none;\n  }\n\n  .loopText, .loopText > tspan {\n    fill: ").concat(t.loopTextColor,";\n    stroke: none;\n  }\n\n  .loopLine {\n    stroke-width: 2px;\n    stroke-dasharray: 2, 2;\n    stroke: ").concat(t.labelBoxBorderColor,";\n    fill: ").concat(t.labelBoxBorderColor,";\n  }\n\n  .note {\n    //stroke: #decc93;\n    stroke: ").concat(t.noteBorderColor,";\n    fill: ").concat(t.noteBkgColor,";\n  }\n\n  .noteText, .noteText > tspan {\n    fill: ").concat(t.noteTextColor,";\n    stroke: none;\n  }\n\n  .activation0 {\n    fill: ").concat(t.activationBkgColor,";\n    stroke: ").concat(t.activationBorderColor,";\n  }\n\n  .activation1 {\n    fill: ").concat(t.activationBkgColor,";\n    stroke: ").concat(t.activationBorderColor,";\n  }\n\n  .activation2 {\n    fill: ").concat(t.activationBkgColor,";\n    stroke: ").concat(t.activationBorderColor,";\n  }\n")},gantt:function(t){return'\n  .mermaid-main-font {\n    font-family: "trebuchet ms", verdana, arial, sans-serif;\n    font-family: var(--mermaid-font-family);\n  }\n\n  .section {\n    stroke: none;\n    opacity: 0.2;\n  }\n\n  .section0 {\n    fill: '.concat(t.sectionBkgColor,";\n  }\n\n  .section2 {\n    fill: ").concat(t.sectionBkgColor2,";\n  }\n\n  .section1,\n  .section3 {\n    fill: ").concat(t.altSectionBkgColor,";\n    opacity: 0.2;\n  }\n\n  .sectionTitle0 {\n    fill: ").concat(t.titleColor,";\n  }\n\n  .sectionTitle1 {\n    fill: ").concat(t.titleColor,";\n  }\n\n  .sectionTitle2 {\n    fill: ").concat(t.titleColor,";\n  }\n\n  .sectionTitle3 {\n    fill: ").concat(t.titleColor,";\n  }\n\n  .sectionTitle {\n    text-anchor: start;\n    font-size: 11px;\n    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