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("下一页➡️
\n", chapter, order[index+1])
} else {
- tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一章
\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("下一页➡️
\n", chapter, order[index+1]) + preNextFotter
+ if chapter == "ChapterFour" {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一章
\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("下一页➡️
\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+ } else {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一章
\n", preChapter, preOrder[len(preOrder)-1]) + fmt.Sprintf("下一页➡️
\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("⬅️上一页
\n", chapter, order[index-1])
+ tmp = "\n\n" + delLine + fmt.Sprintf("⬅️上一页
\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)-1]), order[index-1])
} else {
tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter, order[index-1]) + fmt.Sprintf("下一章➡️
\n", nextChapter) + preNextFotter
}
} else if index == 1 {
- tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter) + fmt.Sprintf("下一页➡️
\n", chapter, order[index+1]) + preNextFotter
+ if chapter == "ChapterFour" {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter) + fmt.Sprintf("下一页➡️
\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+ } else {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter) + fmt.Sprintf("下一页➡️
\n", chapter, order[index+1]) + preNextFotter
+ }
} else {
- tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter, order[index-1]) + fmt.Sprintf("下一页➡️
\n", chapter, order[index+1]) + preNextFotter
+ if chapter == "ChapterFour" {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)-1]), order[index-1]) + fmt.Sprintf("下一页➡️
\n", chapter, util.GetChpaterFourFileNum(chapterFourIds[(index-1)+1]), order[index+1]) + preNextFotter
+ } else {
+ tmp = "\n\n" + preNextHeader + fmt.Sprintf("⬅️上一页
\n", chapter, order[index-1]) + fmt.Sprintf("下一页➡️
\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..939c935e 100644
--- a/ctl/render.go
+++ b/ctl/render.go
@@ -33,7 +33,7 @@ func newBuildCommand() *cobra.Command {
mc.AddCommand(
newBuildREADME(),
newBuildChapterTwo(),
- newBuildMenu(),
+ // newBuildMenu(),
)
return mc
}
@@ -263,6 +263,19 @@ func renderChapterTwo(filePath string, tls m.TagLists) ([]byte, error) {
}
func buildBookMenu() {
+ copyLackFile()
+ // 按照模板重新渲染 Menu
+ res, err := renderBookMenu("./template/menu.md")
+ if err != nil {
+ fmt.Println(err)
+ return
+ }
+ util.WriteFile("../website/content/menu/index.md", res)
+ 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.LoadChapterFourIds()
@@ -275,20 +288,22 @@ func buildBookMenu() {
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]))
+ 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")
}
-
- // 按照模板重新渲染 Menu
- res, err := renderBookMenu("./template/menu.md")
- if err != nil {
- fmt.Println(err)
- return
- }
- util.WriteFile("../website/content/menu/index.md", res)
- fmt.Println("generate Menu successful")
}
func generateMenu() string {
@@ -296,7 +311,8 @@ func generateMenu() string {
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/website/content/ChapterFour/1700~1799/_index.md b/ctl/template/collapseSection.md
similarity index 97%
rename from website/content/ChapterFour/1700~1799/_index.md
rename to ctl/template/collapseSection.md
index d2021683..e954f087 100644
--- a/website/content/ChapterFour/1700~1799/_index.md
+++ b/ctl/template/collapseSection.md
@@ -2,4 +2,3 @@
bookCollapseSection: true
weight: 20
---
-
diff --git a/ctl/util/util.go b/ctl/util/util.go
index 21226991..5ab2bab4 100644
--- a/ctl/util/util.go
+++ b/ctl/util/util.go
@@ -51,22 +51,38 @@ 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 +92,7 @@ func LoadChapterFourDir() []string {
solutions = append(solutions, name)
}
}
- return solutions
+ return solutions, solutionIds
}
// WriteFile define
@@ -166,3 +182,11 @@ 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/content/ChapterFour/0001~0099/0001.Two-Sum.md b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
index a45c6f51..d84bc7af 100644
--- a/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0001.Two-Sum.md
@@ -53,5 +53,5 @@ func twoSum(nums []int, target int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0002.Add-Two-Numbers.md b/website/content/ChapterFour/0001~0099/0002.Add-Two-Numbers.md
index 090c9379..a64c6a30 100644
--- a/website/content/ChapterFour/0001~0099/0002.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md b/website/content/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md
index 19d3329b..d5406eff 100644
--- a/website/content/ChapterFour/0001~0099/0003.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md b/website/content/ChapterFour/0001~0099/0004.Median-of-Two-Sorted-Arrays.md
index e8821397..828b60c5 100755
--- a/website/content/ChapterFour/0001~0099/0004.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md b/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
index 6f8273ec..e1b82b46 100755
--- a/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
+++ b/website/content/ChapterFour/0001~0099/0007.Reverse-Integer.md
@@ -57,6 +57,6 @@ func reverse7(x int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md b/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
index b74c69ef..4941d13c 100644
--- a/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
+++ b/website/content/ChapterFour/0001~0099/0009.Palindrome-Number.md
@@ -71,6 +71,6 @@ func isPalindrome(x int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0011.Container-With-Most-Water.md b/website/content/ChapterFour/0001~0099/0011.Container-With-Most-Water.md
index 9591c9ef..7c40c781 100644
--- a/website/content/ChapterFour/0001~0099/0011.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md b/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
index 5e5ece59..fd652aea 100644
--- a/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
+++ b/website/content/ChapterFour/0001~0099/0013.Roman-to-Integer.md
@@ -134,6 +134,6 @@ func romanToInt(s string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0015.3Sum.md b/website/content/ChapterFour/0001~0099/0015.3Sum.md
index 46dc2b4c..6de46982 100644
--- a/website/content/ChapterFour/0001~0099/0015.3Sum.md
+++ b/website/content/ChapterFour/0001~0099/0015.3Sum.md
@@ -120,6 +120,6 @@ func threeSum1(nums []int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md b/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
index 117a1935..447778b9 100644
--- a/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
+++ b/website/content/ChapterFour/0001~0099/0016.3Sum-Closest.md
@@ -91,6 +91,6 @@ func abs(a int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md b/website/content/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md
index e6cc6cf4..4bb0f769 100755
--- a/website/content/ChapterFour/0001~0099/0017.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0018.4Sum.md b/website/content/ChapterFour/0001~0099/0018.4Sum.md
index 59682039..80186154 100644
--- a/website/content/ChapterFour/0001~0099/0018.4Sum.md
+++ b/website/content/ChapterFour/0001~0099/0018.4Sum.md
@@ -99,6 +99,6 @@ func fourSum(nums []int, target int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md b/website/content/ChapterFour/0001~0099/0019.Remove-Nth-Node-From-End-of-List.md
index 28fe564c..0df460da 100644
--- a/website/content/ChapterFour/0001~0099/0019.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md b/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
index 77b1b83b..f1a6faa2 100644
--- a/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
+++ b/website/content/ChapterFour/0001~0099/0020.Valid-Parentheses.md
@@ -98,6 +98,6 @@ func isValid(s string) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md b/website/content/ChapterFour/0001~0099/0021.Merge-Two-Sorted-Lists.md
index dd007fe2..76cdbff7 100644
--- a/website/content/ChapterFour/0001~0099/0021.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0022.Generate-Parentheses.md b/website/content/ChapterFour/0001~0099/0022.Generate-Parentheses.md
index 2188ce03..882fdd4b 100755
--- a/website/content/ChapterFour/0001~0099/0022.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md b/website/content/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md
index 78a8c5e9..d6c5ef8d 100644
--- a/website/content/ChapterFour/0001~0099/0023.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md b/website/content/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md
index 7df959d3..3283b4a9 100644
--- a/website/content/ChapterFour/0001~0099/0024.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md b/website/content/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md
index cca95bdf..417548b9 100644
--- a/website/content/ChapterFour/0001~0099/0025.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md
index 0b32f0ad..6d603424 100644
--- a/website/content/ChapterFour/0001~0099/0026.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0027.Remove-Element.md b/website/content/ChapterFour/0001~0099/0027.Remove-Element.md
index 0dc8bb08..7f77f820 100644
--- a/website/content/ChapterFour/0001~0099/0027.Remove-Element.md
+++ b/website/content/ChapterFour/0001~0099/0027.Remove-Element.md
@@ -93,6 +93,6 @@ func removeElement(nums []int, val int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md b/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
index 9ab526ff..b7c44e24 100644
--- a/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
+++ b/website/content/ChapterFour/0001~0099/0028.Implement-strStr.md
@@ -88,6 +88,6 @@ func strStr1(haystack string, needle string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0029.Divide-Two-Integers.md b/website/content/ChapterFour/0001~0099/0029.Divide-Two-Integers.md
index 5ca4689f..aa5672d1 100755
--- a/website/content/ChapterFour/0001~0099/0029.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md b/website/content/ChapterFour/0001~0099/0030.Substring-with-Concatenation-of-All-Words.md
index 6f6e762b..6494c1c9 100644
--- a/website/content/ChapterFour/0001~0099/0030.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md
index c31b5ed5..94fb9ab8 100755
--- a/website/content/ChapterFour/0001~0099/0033.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0034.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
index 5e5f850c..bed0481a 100755
--- a/website/content/ChapterFour/0001~0099/0034.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0035.Search-Insert-Position.md b/website/content/ChapterFour/0001~0099/0035.Search-Insert-Position.md
index 554f7c5f..ec99aca7 100755
--- a/website/content/ChapterFour/0001~0099/0035.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md b/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
index b180ee60..68ad64cd 100755
--- a/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
+++ b/website/content/ChapterFour/0001~0099/0036.Valid-Sudoku.md
@@ -170,6 +170,6 @@ func isValidSudoku1(board [][]byte) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0037.Sudoku-Solver.md b/website/content/ChapterFour/0001~0099/0037.Sudoku-Solver.md
index da7a7c32..541b4efc 100755
--- a/website/content/ChapterFour/0001~0099/0037.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0039.Combination-Sum.md b/website/content/ChapterFour/0001~0099/0039.Combination-Sum.md
index 4f5be48c..4681f48b 100755
--- a/website/content/ChapterFour/0001~0099/0039.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0040.Combination-Sum-II.md b/website/content/ChapterFour/0001~0099/0040.Combination-Sum-II.md
index 36ecc38a..4a0185ed 100755
--- a/website/content/ChapterFour/0001~0099/0040.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md b/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
index 6e3915d0..6ab60da3 100644
--- a/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
+++ b/website/content/ChapterFour/0001~0099/0041.First-Missing-Positive.md
@@ -68,6 +68,6 @@ func firstMissingPositive(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md b/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
index a16a2890..c4bb98d4 100644
--- a/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
+++ b/website/content/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md
@@ -63,6 +63,6 @@ func trap(height []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0046.Permutations.md b/website/content/ChapterFour/0001~0099/0046.Permutations.md
index 1be0d0d2..28369b77 100755
--- a/website/content/ChapterFour/0001~0099/0046.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0047.Permutations-II.md b/website/content/ChapterFour/0001~0099/0047.Permutations-II.md
index cd0a38d8..e6aaccdf 100755
--- a/website/content/ChapterFour/0001~0099/0047.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 *[
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md b/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
index 2913142a..4cddaa55 100755
--- a/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
+++ b/website/content/ChapterFour/0001~0099/0048.Rotate-Image.md
@@ -129,6 +129,6 @@ func rotate(matrix [][]int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md b/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
index 0fe588da..d677466d 100644
--- a/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
+++ b/website/content/ChapterFour/0001~0099/0049.Group-Anagrams.md
@@ -74,6 +74,6 @@ func groupAnagrams(strs []string) [][]string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0050.Powx-n.md b/website/content/ChapterFour/0001~0099/0050.Powx-n.md
index c4a4cc04..714c1861 100755
--- a/website/content/ChapterFour/0001~0099/0050.Powx-n.md
+++ b/website/content/ChapterFour/0001~0099/0050.Powx-n.md
@@ -71,6 +71,6 @@ func myPow(x float64, n int) float64 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0051.N-Queens.md b/website/content/ChapterFour/0001~0099/0051.N-Queens.md
index a139bf0b..d2d8dbe8 100755
--- a/website/content/ChapterFour/0001~0099/0051.N-Queens.md
+++ b/website/content/ChapterFour/0001~0099/0051.N-Queens.md
@@ -136,6 +136,6 @@ func generateBoard(n int, row *[]int) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0052.N-Queens-II.md b/website/content/ChapterFour/0001~0099/0052.N-Queens-II.md
index 16aa957d..4bf016f1 100755
--- a/website/content/ChapterFour/0001~0099/0052.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md b/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
index ada3aaa0..a0248127 100755
--- a/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
+++ b/website/content/ChapterFour/0001~0099/0053.Maximum-Subarray.md
@@ -77,6 +77,6 @@ func maxSubArray1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md b/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
index f4207db7..5d75a8e6 100755
--- a/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
+++ b/website/content/ChapterFour/0001~0099/0054.Spiral-Matrix.md
@@ -167,6 +167,6 @@ func spiralOrder2(matrix [][]int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0055.Jump-Game.md b/website/content/ChapterFour/0001~0099/0055.Jump-Game.md
index f7728173..a34c5d26 100644
--- a/website/content/ChapterFour/0001~0099/0055.Jump-Game.md
+++ b/website/content/ChapterFour/0001~0099/0055.Jump-Game.md
@@ -60,6 +60,6 @@ func canJump(nums []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md b/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
index bf424015..236c252f 100644
--- a/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
+++ b/website/content/ChapterFour/0001~0099/0056.Merge-Intervals.md
@@ -111,6 +111,6 @@ func quickSort(a []Interval, lo, hi int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md b/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
index 77957dd9..9aef7db1 100644
--- a/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
+++ b/website/content/ChapterFour/0001~0099/0057.Insert-Interval.md
@@ -77,6 +77,6 @@ func insert(intervals []Interval, newInterval Interval) []Interval {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md b/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
index 763affe6..f9d5f999 100755
--- a/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
+++ b/website/content/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md
@@ -96,6 +96,6 @@ func generateMatrix(n int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0060.Permutation-Sequence.md b/website/content/ChapterFour/0001~0099/0060.Permutation-Sequence.md
index 67889293..ea18f695 100755
--- a/website/content/ChapterFour/0001~0099/0060.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0061.Rotate-List.md b/website/content/ChapterFour/0001~0099/0061.Rotate-List.md
index f4adedb5..9a0da026 100644
--- a/website/content/ChapterFour/0001~0099/0061.Rotate-List.md
+++ b/website/content/ChapterFour/0001~0099/0061.Rotate-List.md
@@ -83,6 +83,6 @@ func rotateRight(head *ListNode, k int) *ListNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md b/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
index a0dce700..e2023e49 100755
--- a/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
+++ b/website/content/ChapterFour/0001~0099/0062.Unique-Paths.md
@@ -71,6 +71,6 @@ func uniquePaths(m int, n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md b/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
index 6038f50c..b5353ca8 100755
--- a/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
+++ b/website/content/ChapterFour/0001~0099/0063.Unique-Paths-II.md
@@ -82,6 +82,6 @@ func uniquePathsWithObstacles(obstacleGrid [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md b/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
index c39e60cf..e0fcb093 100755
--- a/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
+++ b/website/content/ChapterFour/0001~0099/0064.Minimum-Path-Sum.md
@@ -95,6 +95,6 @@ func minPathSum1(grid [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0066.Plus-One.md b/website/content/ChapterFour/0001~0099/0066.Plus-One.md
index 6cc9b1e3..5efcd9eb 100755
--- a/website/content/ChapterFour/0001~0099/0066.Plus-One.md
+++ b/website/content/ChapterFour/0001~0099/0066.Plus-One.md
@@ -65,6 +65,6 @@ func plusOne(digits []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0067.Add-Binary.md b/website/content/ChapterFour/0001~0099/0067.Add-Binary.md
index 74af33b2..f685c258 100644
--- a/website/content/ChapterFour/0001~0099/0067.Add-Binary.md
+++ b/website/content/ChapterFour/0001~0099/0067.Add-Binary.md
@@ -78,6 +78,6 @@ func addBinary(a string, b string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0069.Sqrtx.md b/website/content/ChapterFour/0001~0099/0069.Sqrtx.md
index ff8d8742..acc9ddcb 100755
--- a/website/content/ChapterFour/0001~0099/0069.Sqrtx.md
+++ b/website/content/ChapterFour/0001~0099/0069.Sqrtx.md
@@ -93,6 +93,6 @@ func mySqrt1(x int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md b/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
index 8f8ed262..274f7e02 100755
--- a/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
+++ b/website/content/ChapterFour/0001~0099/0070.Climbing-Stairs.md
@@ -57,6 +57,6 @@ func climbStairs(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md b/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
index e716cd11..4b175500 100644
--- a/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
+++ b/website/content/ChapterFour/0001~0099/0071.Simplify-Path.md
@@ -119,6 +119,6 @@ func simplifyPath1(path string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md b/website/content/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md
index d84a1b1e..326c9043 100755
--- a/website/content/ChapterFour/0001~0099/0074.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md b/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
index d9653fc9..f6248f14 100644
--- a/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
+++ b/website/content/ChapterFour/0001~0099/0075.Sort-Colors.md
@@ -74,6 +74,6 @@ func sortColors(nums []int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md b/website/content/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md
index 5ac08bf8..906f8ae3 100644
--- a/website/content/ChapterFour/0001~0099/0076.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0077.Combinations.md b/website/content/ChapterFour/0001~0099/0077.Combinations.md
index c9c88ed6..19ff4112 100755
--- a/website/content/ChapterFour/0001~0099/0077.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0078.Subsets.md b/website/content/ChapterFour/0001~0099/0078.Subsets.md
index 32aa9d48..f0ccb142 100755
--- a/website/content/ChapterFour/0001~0099/0078.Subsets.md
+++ b/website/content/ChapterFour/0001~0099/0078.Subsets.md
@@ -107,6 +107,6 @@ func subsets2(nums []int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0079.Word-Search.md b/website/content/ChapterFour/0001~0099/0079.Word-Search.md
index 62c03768..d8d123f4 100755
--- a/website/content/ChapterFour/0001~0099/0079.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)
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md b/website/content/ChapterFour/0001~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md
index 36438895..4bec7529 100644
--- a/website/content/ChapterFour/0001~0099/0080.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md b/website/content/ChapterFour/0001~0099/0081.Search-in-Rotated-Sorted-Array-II.md
index e7dad91f..7ed0474b 100755
--- a/website/content/ChapterFour/0001~0099/0081.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md b/website/content/ChapterFour/0001~0099/0082.Remove-Duplicates-from-Sorted-List-II.md
index d0dc28f7..4cbc0bf8 100644
--- a/website/content/ChapterFour/0001~0099/0082.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md b/website/content/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md
index fd662034..434449c9 100644
--- a/website/content/ChapterFour/0001~0099/0083.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md b/website/content/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md
index f50d91ad..5937127d 100644
--- a/website/content/ChapterFour/0001~0099/0084.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0086.Partition-List.md b/website/content/ChapterFour/0001~0099/0086.Partition-List.md
index 540430a3..de6bb8fc 100644
--- a/website/content/ChapterFour/0001~0099/0086.Partition-List.md
+++ b/website/content/ChapterFour/0001~0099/0086.Partition-List.md
@@ -150,6 +150,6 @@ func genListNode(head *DoublyListNode) *ListNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md b/website/content/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md
index 500295f6..de014f8c 100644
--- a/website/content/ChapterFour/0001~0099/0088.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0089.Gray-Code.md b/website/content/ChapterFour/0001~0099/0089.Gray-Code.md
index df616ebc..63b2e39a 100755
--- a/website/content/ChapterFour/0001~0099/0089.Gray-Code.md
+++ b/website/content/ChapterFour/0001~0099/0089.Gray-Code.md
@@ -119,6 +119,6 @@ func grayCode1(n int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0090.Subsets-II.md b/website/content/ChapterFour/0001~0099/0090.Subsets-II.md
index 77b974db..73c331b1 100755
--- a/website/content/ChapterFour/0001~0099/0090.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md b/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
index ccf85684..6bb4b168 100755
--- a/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
+++ b/website/content/ChapterFour/0001~0099/0091.Decode-Ways.md
@@ -84,6 +84,6 @@ func numDecodings(s string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md b/website/content/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md
index ea62d1f1..d7f3dc7e 100644
--- a/website/content/ChapterFour/0001~0099/0092.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md b/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
index f4c862d9..ba641bfe 100755
--- a/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
+++ b/website/content/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md
@@ -80,6 +80,6 @@ func getString(ip []int) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md b/website/content/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md
index 68f2997d..7656edd6 100644
--- a/website/content/ChapterFour/0001~0099/0094.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md b/website/content/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md
index 8bb74436..4ba09dfd 100755
--- a/website/content/ChapterFour/0001~0099/0095.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md b/website/content/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md
index 216f7084..688a3d0a 100755
--- a/website/content/ChapterFour/0001~0099/0096.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md b/website/content/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md
index d95b7e82..7c124715 100755
--- a/website/content/ChapterFour/0001~0099/0098.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md b/website/content/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md
index 4ec788c7..4a28ea15 100755
--- a/website/content/ChapterFour/0001~0099/0099.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0001~0099/0100.Same-Tree.md b/website/content/ChapterFour/0100~0199/0100.Same-Tree.md
similarity index 85%
rename from website/content/ChapterFour/0001~0099/0100.Same-Tree.md
rename to website/content/ChapterFour/0100~0199/0100.Same-Tree.md
index e714cda2..90227a8e 100644
--- a/website/content/ChapterFour/0001~0099/0100.Same-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0100.Same-Tree.md
@@ -94,6 +94,6 @@ func isSameTree(p *TreeNode, q *TreeNode) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md b/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
index 21b4dc1a..4c55bcce 100644
--- a/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0101.Symmetric-Tree.md
@@ -73,6 +73,6 @@ func isSymmetric(root *TreeNode) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md b/website/content/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md
index e00a4646..127602e4 100644
--- a/website/content/ChapterFour/0100~0199/0102.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md b/website/content/ChapterFour/0100~0199/0103.Binary-Tree-Zigzag-Level-Order-Traversal.md
index 110306c8..85d16fb8 100644
--- a/website/content/ChapterFour/0100~0199/0103.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md
index 8529be03..36d39f9f 100644
--- a/website/content/ChapterFour/0100~0199/0104.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0105.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
index 4a77e74b..5de3c4e4 100755
--- a/website/content/ChapterFour/0100~0199/0105.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0106.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
index fefec6b0..77b102d5 100755
--- a/website/content/ChapterFour/0100~0199/0106.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md b/website/content/ChapterFour/0100~0199/0107.Binary-Tree-Level-Order-Traversal-II.md
index 1003bee3..172e977b 100644
--- a/website/content/ChapterFour/0100~0199/0107.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md b/website/content/ChapterFour/0100~0199/0108.Convert-Sorted-Array-to-Binary-Search-Tree.md
index 6b440de7..3ed5eb09 100755
--- a/website/content/ChapterFour/0100~0199/0108.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md b/website/content/ChapterFour/0100~0199/0109.Convert-Sorted-List-to-Binary-Search-Tree.md
index 9ae35afd..dd85b3b1 100644
--- a/website/content/ChapterFour/0100~0199/0109.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
index 779fae8f..3aad9436 100644
--- a/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
+++ b/website/content/ChapterFour/0100~0199/0110.Balanced-Binary-Tree.md
@@ -92,6 +92,6 @@ func depth(root *TreeNode) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md b/website/content/ChapterFour/0100~0199/0111.Minimum-Depth-of-Binary-Tree.md
index d3bd4f1b..54530d51 100755
--- a/website/content/ChapterFour/0100~0199/0111.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0112.Path-Sum.md b/website/content/ChapterFour/0100~0199/0112.Path-Sum.md
index f3fcce0f..5964900a 100755
--- a/website/content/ChapterFour/0100~0199/0112.Path-Sum.md
+++ b/website/content/ChapterFour/0100~0199/0112.Path-Sum.md
@@ -61,6 +61,6 @@ func hasPathSum(root *TreeNode, sum int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0113.Path-Sum-II.md b/website/content/ChapterFour/0100~0199/0113.Path-Sum-II.md
index e975e8a1..2b6927ff 100755
--- a/website/content/ChapterFour/0100~0199/0113.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md b/website/content/ChapterFour/0100~0199/0114.Flatten-Binary-Tree-to-Linked-List.md
index e80d351b..9fb6278a 100755
--- a/website/content/ChapterFour/0100~0199/0114.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md b/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
index 36a16f50..5c65a888 100644
--- a/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
+++ b/website/content/ChapterFour/0100~0199/0118.Pascals-Triangle.md
@@ -62,6 +62,6 @@ func generate(numRows int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0120.Triangle.md b/website/content/ChapterFour/0100~0199/0120.Triangle.md
index 473cfa62..4561de92 100755
--- a/website/content/ChapterFour/0100~0199/0120.Triangle.md
+++ b/website/content/ChapterFour/0100~0199/0120.Triangle.md
@@ -91,6 +91,6 @@ func minimumTotal1(triangle [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md b/website/content/ChapterFour/0100~0199/0121.Best-Time-to-Buy-and-Sell-Stock.md
index 0ec5db6b..b08d1fd2 100755
--- a/website/content/ChapterFour/0100~0199/0121.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0122.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
index 241e31bc..93d77d36 100755
--- a/website/content/ChapterFour/0100~0199/0122.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md b/website/content/ChapterFour/0100~0199/0124.Binary-Tree-Maximum-Path-Sum.md
index 665d167c..51e96ff6 100755
--- a/website/content/ChapterFour/0100~0199/0124.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md b/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
index bc19bb4d..b0c7257a 100644
--- a/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
+++ b/website/content/ChapterFour/0100~0199/0125.Valid-Palindrome.md
@@ -69,6 +69,6 @@ func isChar(c byte) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0126.Word-Ladder-II.md b/website/content/ChapterFour/0100~0199/0126.Word-Ladder-II.md
index a296cf23..e1d328a5 100755
--- a/website/content/ChapterFour/0100~0199/0126.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md b/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
index dbeebb29..7a7db0e8 100755
--- a/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
+++ b/website/content/ChapterFour/0100~0199/0127.Word-Ladder.md
@@ -123,6 +123,6 @@ func getCandidates(word string) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md b/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
index e8d9307c..ef76f90d 100755
--- a/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
+++ b/website/content/ChapterFour/0100~0199/0128.Longest-Consecutive-Sequence.md
@@ -141,6 +141,6 @@ func longestConsecutive2(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md b/website/content/ChapterFour/0100~0199/0129.Sum-Root-to-Leaf-Numbers.md
index 2e52457e..b1a0636d 100755
--- a/website/content/ChapterFour/0100~0199/0129.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md b/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
index 228ce63e..3211fb08 100755
--- a/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
+++ b/website/content/ChapterFour/0100~0199/0130.Surrounded-Regions.md
@@ -128,6 +128,6 @@ func dfs130(i, j int, board [][]byte) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md b/website/content/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md
index 41c4f013..a619e00b 100755
--- a/website/content/ChapterFour/0100~0199/0131.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0136.Single-Number.md b/website/content/ChapterFour/0100~0199/0136.Single-Number.md
index 73561826..02b2b4b4 100755
--- a/website/content/ChapterFour/0100~0199/0136.Single-Number.md
+++ b/website/content/ChapterFour/0100~0199/0136.Single-Number.md
@@ -48,6 +48,6 @@ func singleNumber(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md b/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
index 1330eb03..172739cf 100755
--- a/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
+++ b/website/content/ChapterFour/0100~0199/0137.Single-Number-II.md
@@ -111,6 +111,6 @@ func singleNumberIIIII1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer.md b/website/content/ChapterFour/0100~0199/0138.Copy-List-With-Random-Pointer.md
index f434c88e..e4392479 100644
--- a/website/content/ChapterFour/0100~0199/0138.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md b/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
index 7443ccda..248a7b62 100644
--- a/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
+++ b/website/content/ChapterFour/0100~0199/0141.Linked-List-Cycle.md
@@ -50,6 +50,6 @@ func hasCycle(head *ListNode) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md b/website/content/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md
index 07f10488..3bd61425 100644
--- a/website/content/ChapterFour/0100~0199/0142.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0143.Reorder-List.md b/website/content/ChapterFour/0100~0199/0143.Reorder-List.md
index 87060cc9..bd9b2469 100644
--- a/website/content/ChapterFour/0100~0199/0143.Reorder-List.md
+++ b/website/content/ChapterFour/0100~0199/0143.Reorder-List.md
@@ -129,6 +129,6 @@ func listToArray(head *ListNode) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md b/website/content/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md
index d4b09831..36f8e02f 100644
--- a/website/content/ChapterFour/0100~0199/0144.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md b/website/content/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md
index e73320d0..e688f82f 100644
--- a/website/content/ChapterFour/0100~0199/0145.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md b/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
index abf03290..7c60b34f 100644
--- a/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
+++ b/website/content/ChapterFour/0100~0199/0146.LRU-Cache.md
@@ -136,6 +136,6 @@ func (this *LRUCache) Remove(node *Node) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md b/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
index bbdca940..5ef90856 100644
--- a/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
+++ b/website/content/ChapterFour/0100~0199/0147.Insertion-Sort-List.md
@@ -79,6 +79,6 @@ func insertionSortList(head *ListNode) *ListNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0148.Sort-List.md b/website/content/ChapterFour/0100~0199/0148.Sort-List.md
index 6d435555..f92e2b85 100644
--- a/website/content/ChapterFour/0100~0199/0148.Sort-List.md
+++ b/website/content/ChapterFour/0100~0199/0148.Sort-List.md
@@ -98,6 +98,6 @@ func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md b/website/content/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md
index b8cfa59b..9b06aa85 100644
--- a/website/content/ChapterFour/0100~0199/0150.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md b/website/content/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md
index 9d3a8fa4..cb2545f1 100755
--- a/website/content/ChapterFour/0100~0199/0151.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md b/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
index 937780c5..852c8b8a 100755
--- a/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
+++ b/website/content/ChapterFour/0100~0199/0152.Maximum-Product-Subarray.md
@@ -54,6 +54,6 @@ func maxProduct(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md b/website/content/ChapterFour/0100~0199/0153.Find-Minimum-in-Rotated-Sorted-Array.md
index 2462d5f4..c48a82ae 100755
--- a/website/content/ChapterFour/0100~0199/0153.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md b/website/content/ChapterFour/0100~0199/0154.Find-Minimum-in-Rotated-Sorted-Array-II.md
index ed0c89af..7d2c1235 100755
--- a/website/content/ChapterFour/0100~0199/0154.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0155.Min-Stack.md b/website/content/ChapterFour/0100~0199/0155.Min-Stack.md
index 4259b85a..606f6500 100644
--- a/website/content/ChapterFour/0100~0199/0155.Min-Stack.md
+++ b/website/content/ChapterFour/0100~0199/0155.Min-Stack.md
@@ -89,6 +89,6 @@ func (this *MinStack) GetMin() int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md b/website/content/ChapterFour/0100~0199/0160.Intersection-of-Two-Linked-Lists.md
index 0fe6c24d..77ea4b62 100644
--- a/website/content/ChapterFour/0100~0199/0160.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md b/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
index 74e7b14e..1c3e810f 100755
--- a/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
+++ b/website/content/ChapterFour/0100~0199/0162.Find-Peak-Element.md
@@ -96,6 +96,6 @@ func findPeakElement1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md b/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
index ea05421f..2c4f73a8 100644
--- a/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
+++ b/website/content/ChapterFour/0100~0199/0164.Maximum-Gap.md
@@ -139,6 +139,6 @@ func max(a int, b int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md b/website/content/ChapterFour/0100~0199/0167.Two-Sum-II---Input-array-is-sorted.md
index 1e55e786..dda1165f 100644
--- a/website/content/ChapterFour/0100~0199/0167.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md b/website/content/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md
index 3a78b80d..2c008faa 100644
--- a/website/content/ChapterFour/0100~0199/0168.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0169.Majority-Element.md b/website/content/ChapterFour/0100~0199/0169.Majority-Element.md
index f05a4392..03173fb7 100755
--- a/website/content/ChapterFour/0100~0199/0169.Majority-Element.md
+++ b/website/content/ChapterFour/0100~0199/0169.Majority-Element.md
@@ -68,6 +68,6 @@ func majorityElement1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md b/website/content/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md
index 6294074d..06ec111e 100644
--- a/website/content/ChapterFour/0100~0199/0171.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md b/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
index c6a99740..4ac18a76 100755
--- a/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
+++ b/website/content/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md
@@ -53,6 +53,6 @@ func trailingZeroes(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md b/website/content/ChapterFour/0100~0199/0173.Binary-Search-Tree-Iterator.md
index b81575ce..581f88a6 100755
--- a/website/content/ChapterFour/0100~0199/0173.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{} {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md b/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
index 1c0edf33..30df3397 100755
--- a/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
+++ b/website/content/ChapterFour/0100~0199/0174.Dungeon-Game.md
@@ -137,6 +137,6 @@ func canCross(dungeon [][]int, start int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0179.Largest-Number.md b/website/content/ChapterFour/0100~0199/0179.Largest-Number.md
index aeb366ce..09f1a070 100644
--- a/website/content/ChapterFour/0100~0199/0179.Largest-Number.md
+++ b/website/content/ChapterFour/0100~0199/0179.Largest-Number.md
@@ -124,6 +124,6 @@ func quickSortString(a []string, lo, hi int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md b/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
index fe746802..5480f7a7 100755
--- a/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
+++ b/website/content/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md
@@ -73,6 +73,6 @@ func findRepeatedDnaSequences1(s string) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md b/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
index 3be1e0de..34733ee9 100644
--- a/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
+++ b/website/content/ChapterFour/0100~0199/0189.Rotate-Array.md
@@ -77,6 +77,6 @@ func rotate1(nums []int, k int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md b/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
index dfbb2863..d73e2f2f 100755
--- a/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
+++ b/website/content/ChapterFour/0100~0199/0190.Reverse-Bits.md
@@ -55,6 +55,6 @@ func reverseBits(num uint32) uint32 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0191.Number-of-1-Bits.md b/website/content/ChapterFour/0100~0199/0191.Number-of-1-Bits.md
index 379892d3..d3a45e1d 100755
--- a/website/content/ChapterFour/0100~0199/0191.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0198.House-Robber.md b/website/content/ChapterFour/0100~0199/0198.House-Robber.md
index cbe1d110..2ee3a7a1 100755
--- a/website/content/ChapterFour/0100~0199/0198.House-Robber.md
+++ b/website/content/ChapterFour/0100~0199/0198.House-Robber.md
@@ -96,6 +96,6 @@ func rob(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md b/website/content/ChapterFour/0100~0199/0199.Binary-Tree-Right-Side-View.md
index 5c15e36b..8f0e72c1 100644
--- a/website/content/ChapterFour/0100~0199/0199.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0200.Number-of-Islands.md b/website/content/ChapterFour/0200~0299/0200.Number-of-Islands.md
index 703125e3..90936357 100755
--- a/website/content/ChapterFour/0200~0299/0200.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md b/website/content/ChapterFour/0200~0299/0201.Bitwise-AND-of-Numbers-Range.md
index c0c11f3d..6f064185 100755
--- a/website/content/ChapterFour/0200~0299/0201.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0202.Happy-Number.md b/website/content/ChapterFour/0200~0299/0202.Happy-Number.md
index 453b3275..90def17b 100644
--- a/website/content/ChapterFour/0200~0299/0202.Happy-Number.md
+++ b/website/content/ChapterFour/0200~0299/0202.Happy-Number.md
@@ -67,6 +67,6 @@ func isHappy(n int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md b/website/content/ChapterFour/0200~0299/0203.Remove-Linked-List-Elements.md
index 0ab51f2a..d8671161 100644
--- a/website/content/ChapterFour/0200~0299/0203.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0204.Count-Primes.md b/website/content/ChapterFour/0200~0299/0204.Count-Primes.md
index f835f5a8..fe09cb95 100755
--- a/website/content/ChapterFour/0200~0299/0204.Count-Primes.md
+++ b/website/content/ChapterFour/0200~0299/0204.Count-Primes.md
@@ -52,6 +52,6 @@ func countPrimes(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md b/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
index 43074115..6854aa2a 100644
--- a/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
+++ b/website/content/ChapterFour/0200~0299/0205.Isomorphic-Strings.md
@@ -92,6 +92,6 @@ func isIsomorphic(s string, t string) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md b/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
index af6949ca..773f955f 100644
--- a/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
+++ b/website/content/ChapterFour/0200~0299/0206.Reverse-Linked-List.md
@@ -49,6 +49,6 @@ func reverseList(head *ListNode) *ListNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md b/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
index c3f60925..52442d3c 100755
--- a/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
+++ b/website/content/ChapterFour/0200~0299/0207.Course-Schedule.md
@@ -84,6 +84,6 @@ func canFinish(n int, pre [][]int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree.md b/website/content/ChapterFour/0200~0299/0208.Implement-Trie-Prefix-Tree.md
index fec04d06..9f997351 100755
--- a/website/content/ChapterFour/0200~0299/0208.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md b/website/content/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md
index 0d6d6f1e..446bca92 100644
--- a/website/content/ChapterFour/0200~0299/0209.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0210.Course-Schedule-II.md b/website/content/ChapterFour/0200~0299/0210.Course-Schedule-II.md
index d2662b22..8f73b240 100755
--- a/website/content/ChapterFour/0200~0299/0210.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md b/website/content/ChapterFour/0200~0299/0211.Design-Add-and-Search-Words-Data-Structure.md
index 171e82cc..311a827c 100755
--- a/website/content/ChapterFour/0200~0299/0211.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0212.Word-Search-II.md b/website/content/ChapterFour/0200~0299/0212.Word-Search-II.md
index f83123dc..8966a46b 100755
--- a/website/content/ChapterFour/0200~0299/0212.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0213.House-Robber-II.md b/website/content/ChapterFour/0200~0299/0213.House-Robber-II.md
index 4860b757..e108507b 100755
--- a/website/content/ChapterFour/0200~0299/0213.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array.md b/website/content/ChapterFour/0200~0299/0215.Kth-Largest-Element-in-an-Array.md
index ed9137fd..d62706dd 100644
--- a/website/content/ChapterFour/0200~0299/0215.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0216.Combination-Sum-III.md b/website/content/ChapterFour/0200~0299/0216.Combination-Sum-III.md
index 97e953dc..c6dbd156 100755
--- a/website/content/ChapterFour/0200~0299/0216.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md b/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
index 2a078acd..ddb948e7 100644
--- a/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
+++ b/website/content/ChapterFour/0200~0299/0217.Contains-Duplicate.md
@@ -64,6 +64,6 @@ func containsDuplicate(nums []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0218.The-Skyline-Problem.md b/website/content/ChapterFour/0200~0299/0218.The-Skyline-Problem.md
index 71fa6d02..72623c5e 100755
--- a/website/content/ChapterFour/0200~0299/0218.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md b/website/content/ChapterFour/0200~0299/0219.Contains-Duplicate-II.md
index 37772d36..c4080825 100644
--- a/website/content/ChapterFour/0200~0299/0219.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md b/website/content/ChapterFour/0200~0299/0220.Contains-Duplicate-III.md
index 89b23418..b26d478f 100644
--- a/website/content/ChapterFour/0200~0299/0220.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md b/website/content/ChapterFour/0200~0299/0222.Count-Complete-Tree-Nodes.md
index 88f00d48..a7f148ba 100644
--- a/website/content/ChapterFour/0200~0299/0222.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0223.Rectangle-Area.md b/website/content/ChapterFour/0200~0299/0223.Rectangle-Area.md
index c129f609..a85324ad 100755
--- a/website/content/ChapterFour/0200~0299/0223.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md b/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
index dae86172..3ae0cccf 100755
--- a/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
+++ b/website/content/ChapterFour/0200~0299/0224.Basic-Calculator.md
@@ -167,6 +167,6 @@ func isDigital(v byte) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md b/website/content/ChapterFour/0200~0299/0225.Implement-Stack-using-Queues.md
index 9a1be896..47b8177c 100644
--- a/website/content/ChapterFour/0200~0299/0225.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md b/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
index 844f3e90..771e047b 100644
--- a/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
+++ b/website/content/ChapterFour/0200~0299/0226.Invert-Binary-Tree.md
@@ -78,6 +78,6 @@ func invertTree(root *TreeNode) *TreeNode {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md b/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
index 3a2a53ec..30f9cb26 100644
--- a/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
+++ b/website/content/ChapterFour/0200~0299/0228.Summary-Ranges.md
@@ -110,6 +110,6 @@ func summaryRanges(nums []int) (ans []string) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0229.Majority-Element-II.md b/website/content/ChapterFour/0200~0299/0229.Majority-Element-II.md
index 45cbf0db..fb043de6 100755
--- a/website/content/ChapterFour/0200~0299/0229.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md b/website/content/ChapterFour/0200~0299/0230.Kth-Smallest-Element-in-a-BST.md
index 45fcea55..3383a50f 100755
--- a/website/content/ChapterFour/0200~0299/0230.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md b/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
index 157f91e5..491f5534 100755
--- a/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
+++ b/website/content/ChapterFour/0200~0299/0231.Power-of-Two.md
@@ -72,6 +72,6 @@ func isPowerOfTwo3(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md b/website/content/ChapterFour/0200~0299/0232.Implement-Queue-using-Stacks.md
index 6ceaa1b0..71e5bc14 100644
--- a/website/content/ChapterFour/0200~0299/0232.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md b/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
index 56eca338..8f409518 100644
--- a/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
+++ b/website/content/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md
@@ -113,6 +113,6 @@ func L2ss(head *ListNode) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0235.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
index 73a9a443..77f6cdbf 100755
--- a/website/content/ChapterFour/0200~0299/0235.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md b/website/content/ChapterFour/0200~0299/0236.Lowest-Common-Ancestor-of-a-Binary-Tree.md
index 96342c14..302f3f19 100755
--- a/website/content/ChapterFour/0200~0299/0236.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md b/website/content/ChapterFour/0200~0299/0237.Delete-Node-in-a-Linked-List.md
index 981fe415..e7a23da5 100644
--- a/website/content/ChapterFour/0200~0299/0237.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md b/website/content/ChapterFour/0200~0299/0239.Sliding-Window-Maximum.md
index ea5a4493..bf2a3a11 100755
--- a/website/content/ChapterFour/0200~0299/0239.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md b/website/content/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md
index 736d4ba4..55f99caf 100755
--- a/website/content/ChapterFour/0200~0299/0240.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md b/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
index 7f643f68..9e99ce87 100644
--- a/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
+++ b/website/content/ChapterFour/0200~0299/0242.Valid-Anagram.md
@@ -119,6 +119,6 @@ func quickSortByte(a []byte, lo, hi int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md b/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
index eaef55f8..22b451ce 100755
--- a/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
+++ b/website/content/ChapterFour/0200~0299/0257.Binary-Tree-Paths.md
@@ -73,6 +73,6 @@ func binaryTreePaths(root *TreeNode) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0258.Add-Digits.md b/website/content/ChapterFour/0200~0299/0258.Add-Digits.md
index 57abdabc..4e0770ad 100644
--- a/website/content/ChapterFour/0200~0299/0258.Add-Digits.md
+++ b/website/content/ChapterFour/0200~0299/0258.Add-Digits.md
@@ -49,6 +49,6 @@ func addDigits(num int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md b/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
index a5c74bf0..ed2a461b 100755
--- a/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
+++ b/website/content/ChapterFour/0200~0299/0260.Single-Number-III.md
@@ -63,6 +63,6 @@ func singleNumberIII(nums []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md b/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
index 4e04b40e..713d3058 100644
--- a/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
+++ b/website/content/ChapterFour/0200~0299/0263.Ugly-Number.md
@@ -71,6 +71,6 @@ func isUgly(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0268.Missing-Number.md b/website/content/ChapterFour/0200~0299/0268.Missing-Number.md
index f5bafc72..393dbe2f 100755
--- a/website/content/ChapterFour/0200~0299/0268.Missing-Number.md
+++ b/website/content/ChapterFour/0200~0299/0268.Missing-Number.md
@@ -49,6 +49,6 @@ func missingNumber(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0274.H-Index.md b/website/content/ChapterFour/0200~0299/0274.H-Index.md
index fd961ebc..75cf67b1 100644
--- a/website/content/ChapterFour/0200~0299/0274.H-Index.md
+++ b/website/content/ChapterFour/0200~0299/0274.H-Index.md
@@ -80,6 +80,6 @@ func hIndex1(citations []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0275.H-Index-II.md b/website/content/ChapterFour/0200~0299/0275.H-Index-II.md
index 880d39d3..a29f7133 100755
--- a/website/content/ChapterFour/0200~0299/0275.H-Index-II.md
+++ b/website/content/ChapterFour/0200~0299/0275.H-Index-II.md
@@ -73,6 +73,6 @@ func hIndex275(citations []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md b/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
index 48c52dd7..092cf3c6 100644
--- a/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
+++ b/website/content/ChapterFour/0200~0299/0283.Move-Zeroes.md
@@ -57,6 +57,6 @@ func moveZeroes(nums []int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md b/website/content/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md
index 11dc7ccf..a79bae5b 100644
--- a/website/content/ChapterFour/0200~0299/0287.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md b/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
index d22b9623..bce80db8 100644
--- a/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
+++ b/website/content/ChapterFour/0200~0299/0290.Word-Pattern.md
@@ -100,6 +100,6 @@ func wordPattern(pattern string, str string) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md b/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
index 3d678515..3ba33652 100755
--- a/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
+++ b/website/content/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md
@@ -81,6 +81,6 @@ func lengthOfLIS1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md b/website/content/ChapterFour/0300~0399/0303.Range-Sum-Query---Immutable.md
index 9f24536e..1f708d35 100755
--- a/website/content/ChapterFour/0300~0399/0303.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0306.Additive-Number.md b/website/content/ChapterFour/0300~0399/0306.Additive-Number.md
index b3ed5be6..a798d9fa 100755
--- a/website/content/ChapterFour/0300~0399/0306.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md b/website/content/ChapterFour/0300~0399/0307.Range-Sum-Query---Mutable.md
index c8618b62..57f099b8 100755
--- a/website/content/ChapterFour/0300~0399/0307.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0309.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
index efd0363d..f0afbb14 100755
--- a/website/content/ChapterFour/0300~0399/0309.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md b/website/content/ChapterFour/0300~0399/0315.Count-of-Smaller-Numbers-After-Self.md
index 77b9e627..dfc08ac7 100755
--- a/website/content/ChapterFour/0300~0399/0315.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md b/website/content/ChapterFour/0300~0399/0318.Maximum-Product-of-Word-Lengths.md
index de8f712c..00e0b4dc 100755
--- a/website/content/ChapterFour/0300~0399/0318.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0322.Coin-Change.md b/website/content/ChapterFour/0300~0399/0322.Coin-Change.md
index 4e15b87c..fb1838d7 100755
--- a/website/content/ChapterFour/0300~0399/0322.Coin-Change.md
+++ b/website/content/ChapterFour/0300~0399/0322.Coin-Change.md
@@ -63,6 +63,6 @@ func coinChange(coins []int, amount int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md b/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
index 5047b8f0..5d5a250e 100644
--- a/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
+++ b/website/content/ChapterFour/0300~0399/0324.Wiggle-Sort-II.md
@@ -265,6 +265,6 @@ func wiggleSort1(nums []int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md b/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
index 38328b88..99596c26 100755
--- a/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
+++ b/website/content/ChapterFour/0300~0399/0326.Power-of-Three.md
@@ -79,6 +79,6 @@ func isPowerOfThree2(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md b/website/content/ChapterFour/0300~0399/0327.Count-of-Range-Sum.md
index 30779996..19beccae 100755
--- a/website/content/ChapterFour/0300~0399/0327.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md b/website/content/ChapterFour/0300~0399/0328.Odd-Even-Linked-List.md
index 3e76e37c..53b92153 100644
--- a/website/content/ChapterFour/0300~0399/0328.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md b/website/content/ChapterFour/0300~0399/0329.Longest-Increasing-Path-in-a-Matrix.md
index f26eb117..198fe2e3 100755
--- a/website/content/ChapterFour/0300~0399/0329.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md b/website/content/ChapterFour/0300~0399/0331.Verify-Preorder-Serialization-of-a-Binary-Tree.md
index 83ba9b8d..5167b262 100644
--- a/website/content/ChapterFour/0300~0399/0331.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0337.House-Robber-III.md b/website/content/ChapterFour/0300~0399/0337.House-Robber-III.md
index d524b3d3..08ee691b 100644
--- a/website/content/ChapterFour/0300~0399/0337.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md b/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
index a543d869..6b466ce2 100755
--- a/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
+++ b/website/content/ChapterFour/0300~0399/0338.Counting-Bits.md
@@ -56,6 +56,6 @@ func countBits(num int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md b/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
index 221989d8..aad686b3 100755
--- a/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
+++ b/website/content/ChapterFour/0300~0399/0342.Power-of-Four.md
@@ -57,6 +57,6 @@ func isPowerOfFour1(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0343.Integer-Break.md b/website/content/ChapterFour/0300~0399/0343.Integer-Break.md
index 3ca9c6af..ff492fa2 100755
--- a/website/content/ChapterFour/0300~0399/0343.Integer-Break.md
+++ b/website/content/ChapterFour/0300~0399/0343.Integer-Break.md
@@ -55,6 +55,6 @@ func integerBreak(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0344.Reverse-String.md b/website/content/ChapterFour/0300~0399/0344.Reverse-String.md
index 493fbe3b..e2ed876c 100644
--- a/website/content/ChapterFour/0300~0399/0344.Reverse-String.md
+++ b/website/content/ChapterFour/0300~0399/0344.Reverse-String.md
@@ -55,6 +55,6 @@ func reverseString(s []byte) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md b/website/content/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md
index bd7679af..7e812f36 100644
--- a/website/content/ChapterFour/0300~0399/0345.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md b/website/content/ChapterFour/0300~0399/0347.Top-K-Frequent-Elements.md
index ea1d85b1..99b56de2 100644
--- a/website/content/ChapterFour/0300~0399/0347.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{} {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md b/website/content/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md
index ade24e62..b57951ab 100644
--- a/website/content/ChapterFour/0300~0399/0349.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md b/website/content/ChapterFour/0300~0399/0350.Intersection-of-Two-Arrays-II.md
index eb94c11d..dcfe10b5 100644
--- a/website/content/ChapterFour/0300~0399/0350.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md b/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
index 8100d0f6..cdd560ba 100755
--- a/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
+++ b/website/content/ChapterFour/0300~0399/0354.Russian-Doll-Envelopes.md
@@ -83,6 +83,6 @@ func maxEnvelopes(envelopes [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md b/website/content/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md
index 6c7583a6..4ae4f41b 100755
--- a/website/content/ChapterFour/0300~0399/0357.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md b/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
index 0edd6fc0..50f9f733 100755
--- a/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
+++ b/website/content/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md
@@ -59,6 +59,6 @@ func isPerfectSquare(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md b/website/content/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md
index 423f35b1..8336684a 100755
--- a/website/content/ChapterFour/0300~0399/0371.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0372.Super-Pow.md b/website/content/ChapterFour/0300~0399/0372.Super-Pow.md
index 1bb73d92..0934a48a 100755
--- a/website/content/ChapterFour/0300~0399/0372.Super-Pow.md
+++ b/website/content/ChapterFour/0300~0399/0372.Super-Pow.md
@@ -110,6 +110,6 @@ func superPow1(a int, b []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums.md b/website/content/ChapterFour/0300~0399/0373.Find-K-Pairs-with-Smallest-Sums.md
index 85bb5352..346d24da 100755
--- a/website/content/ChapterFour/0300~0399/0373.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md b/website/content/ChapterFour/0300~0399/0378.Kth-Smallest-Element-in-a-Sorted-Matrix.md
index 9f675463..2b53dec9 100755
--- a/website/content/ChapterFour/0300~0399/0378.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{} {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md b/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
index 93706631..869839bf 100755
--- a/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
+++ b/website/content/ChapterFour/0300~0399/0385.Mini-Parser.md
@@ -177,6 +177,6 @@ func deserialize(s string) *NestedInteger {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md b/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
index 2b448727..dc76ab44 100755
--- a/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
+++ b/website/content/ChapterFour/0300~0399/0386.Lexicographical-Numbers.md
@@ -53,6 +53,6 @@ func dfs386(x, n int, res *[]int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md b/website/content/ChapterFour/0300~0399/0387.First-Unique-Character-in-a-String.md
index 211fab68..8f7954da 100755
--- a/website/content/ChapterFour/0300~0399/0387.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0389.Find-the-Difference.md b/website/content/ChapterFour/0300~0399/0389.Find-the-Difference.md
index 026b6f99..0a326d51 100755
--- a/website/content/ChapterFour/0300~0399/0389.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md b/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
index 7b11b78e..ff476a02 100755
--- a/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
+++ b/website/content/ChapterFour/0300~0399/0392.Is-Subsequence.md
@@ -82,6 +82,6 @@ func isSubsequence1(s string, t string) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md b/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
index b1efbce0..1275685b 100755
--- a/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
+++ b/website/content/ChapterFour/0300~0399/0393.UTF-8-Validation.md
@@ -107,6 +107,6 @@ func validUtf8(data []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0394.Decode-String.md b/website/content/ChapterFour/0300~0399/0394.Decode-String.md
index 902049c3..0ed35c76 100644
--- a/website/content/ChapterFour/0300~0399/0394.Decode-String.md
+++ b/website/content/ChapterFour/0300~0399/0394.Decode-String.md
@@ -83,6 +83,6 @@ func decodeString(s string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md b/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
index 67691292..6b71a2b9 100755
--- a/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
+++ b/website/content/ChapterFour/0300~0399/0397.Integer-Replacement.md
@@ -88,6 +88,6 @@ func integerReplacement(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0300~0399/0399.Evaluate-Division.md b/website/content/ChapterFour/0300~0399/0399.Evaluate-Division.md
index cdefaf23..efe0faef 100755
--- a/website/content/ChapterFour/0300~0399/0399.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) []
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0401.Binary-Watch.md b/website/content/ChapterFour/0400~0499/0401.Binary-Watch.md
index ae9162a2..462679a6 100755
--- a/website/content/ChapterFour/0400~0499/0401.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0402.Remove-K-Digits.md b/website/content/ChapterFour/0400~0499/0402.Remove-K-Digits.md
index e8f6c0e4..7e3592c6 100644
--- a/website/content/ChapterFour/0400~0499/0402.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md b/website/content/ChapterFour/0400~0499/0404.Sum-of-Left-Leaves.md
index 18c83472..7e280d0f 100755
--- a/website/content/ChapterFour/0400~0499/0404.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md b/website/content/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md
index 52d661c8..62615f8d 100755
--- a/website/content/ChapterFour/0400~0499/0405.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md b/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
index f0d3f136..2f6aa28a 100755
--- a/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
+++ b/website/content/ChapterFour/0400~0499/0409.Longest-Palindrome.md
@@ -59,6 +59,6 @@ func longestPalindrome(s string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md b/website/content/ChapterFour/0400~0499/0410.Split-Array-Largest-Sum.md
index 5620d814..c84eebaa 100755
--- a/website/content/ChapterFour/0400~0499/0410.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md b/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
index 2dd24805..e7c37280 100644
--- a/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
+++ b/website/content/ChapterFour/0400~0499/0412.Fizz-Buzz.md
@@ -73,6 +73,6 @@ func fizzBuzz(n int) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md b/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
index cd2224b0..1d831338 100644
--- a/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
+++ b/website/content/ChapterFour/0400~0499/0414.Third-Maximum-Number.md
@@ -74,6 +74,6 @@ func thirdMax(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md b/website/content/ChapterFour/0400~0499/0416.Partition-Equal-Subset-Sum.md
index 94fe2e3c..b1543170 100755
--- a/website/content/ChapterFour/0400~0499/0416.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0421.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
index 688e41e3..ea0db8a7 100755
--- a/website/content/ChapterFour/0400~0499/0421.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md b/website/content/ChapterFour/0400~0499/0424.Longest-Repeating-Character-Replacement.md
index 1762c02c..132dbcd2 100644
--- a/website/content/ChapterFour/0400~0499/0424.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md b/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
index 309dece2..2f6b2fd5 100755
--- a/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
+++ b/website/content/ChapterFour/0400~0499/0433.Minimum-Genetic-Mutation.md
@@ -185,6 +185,6 @@ func convert(gene string) uint32 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md b/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
index de0366f7..9ab19644 100755
--- a/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
+++ b/website/content/ChapterFour/0400~0499/0435.Non-overlapping-Intervals.md
@@ -137,6 +137,6 @@ func eraseOverlapIntervals1(intervals [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0436.Find-Right-Interval.md b/website/content/ChapterFour/0400~0499/0436.Find-Right-Interval.md
index 5aef3a4a..d8b2d726 100755
--- a/website/content/ChapterFour/0400~0499/0436.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0437.Path-Sum-III.md b/website/content/ChapterFour/0400~0499/0437.Path-Sum-III.md
index 51b357f6..e05fc855 100755
--- a/website/content/ChapterFour/0400~0499/0437.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md b/website/content/ChapterFour/0400~0499/0438.Find-All-Anagrams-in-a-String.md
index 207f321b..93d24093 100644
--- a/website/content/ChapterFour/0400~0499/0438.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md b/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
index fb7ba3f7..33fdee75 100755
--- a/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
+++ b/website/content/ChapterFour/0400~0499/0441.Arranging-Coins.md
@@ -77,6 +77,6 @@ func arrangeCoins1(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md b/website/content/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md
index f0b62889..9d167693 100644
--- a/website/content/ChapterFour/0400~0499/0445.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md b/website/content/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md
index 44289f4d..33f3c1fd 100644
--- a/website/content/ChapterFour/0400~0499/0447.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md b/website/content/ChapterFour/0400~0499/0448.Find-All-Numbers-Disappeared-in-an-Array.md
index 02019d10..29532c7e 100644
--- a/website/content/ChapterFour/0400~0499/0448.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md b/website/content/ChapterFour/0400~0499/0451.Sort-Characters-By-Frequency.md
index 84d262a5..81a8d91a 100644
--- a/website/content/ChapterFour/0400~0499/0451.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md b/website/content/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md
index 7417b7ad..f868c33a 100644
--- a/website/content/ChapterFour/0400~0499/0453.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0454.4Sum-II.md b/website/content/ChapterFour/0400~0499/0454.4Sum-II.md
index 048a3452..5b97f45b 100644
--- a/website/content/ChapterFour/0400~0499/0454.4Sum-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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md b/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
index bfdff43a..dfd13b3a 100755
--- a/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
+++ b/website/content/ChapterFour/0400~0499/0455.Assign-Cookies.md
@@ -71,6 +71,6 @@ func findContentChildren(g []int, s []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0456.132-Pattern.md b/website/content/ChapterFour/0400~0499/0456.132-Pattern.md
index 425aef1a..eca74359 100755
--- a/website/content/ChapterFour/0400~0499/0456.132-Pattern.md
+++ b/website/content/ChapterFour/0400~0499/0456.132-Pattern.md
@@ -105,6 +105,6 @@ func find132pattern1(nums []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0457.Circular-Array-Loop.md b/website/content/ChapterFour/0400~0499/0457.Circular-Array-Loop.md
index 3038fe2b..e665c389 100755
--- a/website/content/ChapterFour/0400~0499/0457.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0460.LFU-Cache.md b/website/content/ChapterFour/0400~0499/0460.LFU-Cache.md
index cc384229..dfbde243 100644
--- a/website/content/ChapterFour/0400~0499/0460.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md b/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
index 0d85bdcb..9335d775 100755
--- a/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
+++ b/website/content/ChapterFour/0400~0499/0461.Hamming-Distance.md
@@ -55,6 +55,6 @@ func hammingDistance(x int, y int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md b/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
index b847d231..e0e60da7 100755
--- a/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
+++ b/website/content/ChapterFour/0400~0499/0463.Island-Perimeter.md
@@ -73,6 +73,6 @@ func islandPerimeter(grid [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md b/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
index 06fca2cd..f36524a1 100755
--- a/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
+++ b/website/content/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md
@@ -102,6 +102,6 @@ func rand101() int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md b/website/content/ChapterFour/0400~0499/0474.Ones-and-Zeroes.md
index dddce982..8fefe5c8 100755
--- a/website/content/ChapterFour/0400~0499/0474.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0475.Heaters.md b/website/content/ChapterFour/0400~0499/0475.Heaters.md
index 8beba569..90e81ad3 100755
--- a/website/content/ChapterFour/0400~0499/0475.Heaters.md
+++ b/website/content/ChapterFour/0400~0499/0475.Heaters.md
@@ -124,6 +124,6 @@ func findRadius1(houses []int, heaters []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0476.Number-Complement.md b/website/content/ChapterFour/0400~0499/0476.Number-Complement.md
index cd3ca3b0..41198d10 100755
--- a/website/content/ChapterFour/0400~0499/0476.Number-Complement.md
+++ b/website/content/ChapterFour/0400~0499/0476.Number-Complement.md
@@ -70,6 +70,6 @@ func findComplement1(num int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md b/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
index 12970083..1d5768ab 100755
--- a/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
+++ b/website/content/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md
@@ -68,6 +68,6 @@ func totalHammingDistance1(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0480.Sliding-Window-Median.md b/website/content/ChapterFour/0400~0499/0480.Sliding-Window-Median.md
index 105da2eb..cf15f847 100755
--- a/website/content/ChapterFour/0400~0499/0480.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) }
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0483.Smallest-Good-Base.md b/website/content/ChapterFour/0400~0499/0483.Smallest-Good-Base.md
index 6ab60aef..88e4c378 100755
--- a/website/content/ChapterFour/0400~0499/0483.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md b/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
index 02f757ef..afc46ab3 100644
--- a/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
+++ b/website/content/ChapterFour/0400~0499/0485.Max-Consecutive-Ones.md
@@ -61,6 +61,6 @@ func findMaxConsecutiveOnes(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0491.Increasing-Subsequences.md b/website/content/ChapterFour/0400~0499/0491.Increasing-Subsequences.md
index b7a1b4a7..a7271f6a 100755
--- a/website/content/ChapterFour/0400~0499/0491.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md b/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
index 82bcc36b..d307f2b6 100755
--- a/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
+++ b/website/content/ChapterFour/0400~0499/0493.Reverse-Pairs.md
@@ -128,6 +128,6 @@ func mergesortCount(nums, buf []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0494.Target-Sum.md b/website/content/ChapterFour/0400~0499/0494.Target-Sum.md
index 16b49336..4dfd11e8 100644
--- a/website/content/ChapterFour/0400~0499/0494.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md b/website/content/ChapterFour/0400~0499/0496.Next-Greater-Element-I.md
index 8d60eb23..59678c7d 100644
--- a/website/content/ChapterFour/0400~0499/0496.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md b/website/content/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md
index 6819448c..6d6fa225 100755
--- a/website/content/ChapterFour/0400~0499/0497.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0400~0499/0498.Diagonal-Traverse.md b/website/content/ChapterFour/0400~0499/0498.Diagonal-Traverse.md
index b6d0739c..674ddc2c 100755
--- a/website/content/ChapterFour/0400~0499/0498.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md b/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
index 168b9370..9771d2e2 100755
--- a/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
+++ b/website/content/ChapterFour/0500~0599/0500.Keyboard-Row.md
@@ -64,6 +64,6 @@ func findWords500(words []string) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md b/website/content/ChapterFour/0500~0599/0503.Next-Greater-Element-II.md
index e9ff3ace..2974c302 100644
--- a/website/content/ChapterFour/0500~0599/0503.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md b/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
index 3092928a..fe2293ae 100644
--- a/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
+++ b/website/content/ChapterFour/0500~0599/0507.Perfect-Number.md
@@ -66,6 +66,6 @@ func checkPerfectNumber_(num int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md b/website/content/ChapterFour/0500~0599/0508.Most-Frequent-Subtree-Sum.md
index 0b78939a..2467d23f 100755
--- a/website/content/ChapterFour/0500~0599/0508.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md b/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
index 6986acbc..55c0de7d 100755
--- a/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
+++ b/website/content/ChapterFour/0500~0599/0509.Fibonacci-Number.md
@@ -192,6 +192,6 @@ func fibb(n int) <- chan int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md b/website/content/ChapterFour/0500~0599/0513.Find-Bottom-Left-Tree-Value.md
index 4c6683c4..bce46e77 100755
--- a/website/content/ChapterFour/0500~0599/0513.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md b/website/content/ChapterFour/0500~0599/0515.Find-Largest-Value-in-Each-Tree-Row.md
index cb60a179..40637279 100755
--- a/website/content/ChapterFour/0500~0599/0515.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md b/website/content/ChapterFour/0500~0599/0524.Longest-Word-in-Dictionary-through-Deleting.md
index f9e5044a..1bd98aec 100644
--- a/website/content/ChapterFour/0500~0599/0524.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md b/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
index 5dee55d6..4c91731a 100755
--- a/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
+++ b/website/content/ChapterFour/0500~0599/0526.Beautiful-Arrangement.md
@@ -112,6 +112,6 @@ func checkDivisible(num, d int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md b/website/content/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md
index ce18b24e..3b83ea43 100755
--- a/website/content/ChapterFour/0500~0599/0528.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0529.Minesweeper.md b/website/content/ChapterFour/0500~0599/0529.Minesweeper.md
index d1b7ed79..b6a4b57b 100644
--- a/website/content/ChapterFour/0500~0599/0529.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md b/website/content/ChapterFour/0500~0599/0532.K-diff-Pairs-in-an-Array.md
index ff546c26..c20e4c4b 100644
--- a/website/content/ChapterFour/0500~0599/0532.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md b/website/content/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md
index 6f0c11bb..27290549 100644
--- a/website/content/ChapterFour/0500~0599/0537.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0541.Reverse-String-II.md b/website/content/ChapterFour/0500~0599/0541.Reverse-String-II.md
index 6c2c50c9..a55d0603 100755
--- a/website/content/ChapterFour/0500~0599/0541.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0542.01-Matrix.md b/website/content/ChapterFour/0500~0599/0542.01-Matrix.md
index 5dc0b0b3..96e59629 100755
--- a/website/content/ChapterFour/0500~0599/0542.01-Matrix.md
+++ b/website/content/ChapterFour/0500~0599/0542.01-Matrix.md
@@ -204,6 +204,6 @@ func updateMatrixDP(matrix [][]int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0547.Number-of-Provinces.md b/website/content/ChapterFour/0500~0599/0547.Number-of-Provinces.md
index 727eaa16..1515667c 100755
--- a/website/content/ChapterFour/0500~0599/0547.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md b/website/content/ChapterFour/0500~0599/0557.Reverse-Words-in-a-String-III.md
index 91251032..d0ab404c 100755
--- a/website/content/ChapterFour/0500~0599/0557.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md b/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
index 0b146a5a..cb8dc31e 100644
--- a/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
+++ b/website/content/ChapterFour/0500~0599/0561.Array-Partition-I.md
@@ -60,6 +60,6 @@ func arrayPairSum(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md b/website/content/ChapterFour/0500~0599/0563.Binary-Tree-Tilt.md
index 23bdf2ab..83b5be1b 100755
--- a/website/content/ChapterFour/0500~0599/0563.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md b/website/content/ChapterFour/0500~0599/0566.Reshape-the-Matrix.md
index 694ab4b7..7097fece 100755
--- a/website/content/ChapterFour/0500~0599/0566.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0567.Permutation-in-String.md b/website/content/ChapterFour/0500~0599/0567.Permutation-in-String.md
index 5ca69e64..35262e5d 100644
--- a/website/content/ChapterFour/0500~0599/0567.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md b/website/content/ChapterFour/0500~0599/0572.Subtree-of-Another-Tree.md
index 38df9747..9781a179 100755
--- a/website/content/ChapterFour/0500~0599/0572.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md b/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
index 98421846..5b27abd6 100755
--- a/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
+++ b/website/content/ChapterFour/0500~0599/0575.Distribute-Candies.md
@@ -61,6 +61,6 @@ func distributeCandies(candies []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md b/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
index e580f1b8..06110aef 100755
--- a/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
+++ b/website/content/ChapterFour/0500~0599/0594.Longest-Harmonious-Subsequence.md
@@ -59,6 +59,6 @@ func findLHS(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0598.Range-Addition-II.md b/website/content/ChapterFour/0500~0599/0598.Range-Addition-II.md
index 2629104d..c4ca5720 100644
--- a/website/content/ChapterFour/0500~0599/0598.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md b/website/content/ChapterFour/0500~0599/0599.Minimum-Index-Sum-of-Two-Lists.md
index 98bedc57..a33f1d28 100755
--- a/website/content/ChapterFour/0500~0599/0599.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0605.Can-Place-Flowers.md b/website/content/ChapterFour/0600~0699/0605.Can-Place-Flowers.md
index c873052e..0e26b084 100644
--- a/website/content/ChapterFour/0600~0699/0605.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md b/website/content/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md
index ca87c3f1..94180ac3 100755
--- a/website/content/ChapterFour/0600~0699/0628.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md b/website/content/ChapterFour/0600~0699/0632.Smallest-Range-Covering-Elements-from-K-Lists.md
index 9b77ea7e..ec1310e4 100755
--- a/website/content/ChapterFour/0600~0699/0632.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md b/website/content/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md
index 5db9b22e..de723cae 100755
--- a/website/content/ChapterFour/0600~0699/0633.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md b/website/content/ChapterFour/0600~0699/0636.Exclusive-Time-of-Functions.md
index 49ebc64a..ebe7628c 100755
--- a/website/content/ChapterFour/0600~0699/0636.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md b/website/content/ChapterFour/0600~0699/0637.Average-of-Levels-in-Binary-Tree.md
index 494e17b3..256e1e0b 100644
--- a/website/content/ChapterFour/0600~0699/0637.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0638.Shopping-Offers.md b/website/content/ChapterFour/0600~0699/0638.Shopping-Offers.md
index e139c7b8..978efc8b 100644
--- a/website/content/ChapterFour/0600~0699/0638.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 *
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md b/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
index 389004d7..0a1e7020 100755
--- a/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
+++ b/website/content/ChapterFour/0600~0699/0645.Set-Mismatch.md
@@ -64,6 +64,6 @@ func findErrorNums(nums []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0648.Replace-Words.md b/website/content/ChapterFour/0600~0699/0648.Replace-Words.md
index d47adb84..0130dce4 100755
--- a/website/content/ChapterFour/0600~0699/0648.Replace-Words.md
+++ b/website/content/ChapterFour/0600~0699/0648.Replace-Words.md
@@ -113,6 +113,6 @@ func replaceWords1(dict []string, sentence string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md b/website/content/ChapterFour/0600~0699/0653.Two-Sum-IV---Input-is-a-BST.md
index bf1681f0..4d13db56 100755
--- a/website/content/ChapterFour/0600~0699/0653.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md b/website/content/ChapterFour/0600~0699/0658.Find-K-Closest-Elements.md
index cc6ea000..a818069d 100755
--- a/website/content/ChapterFour/0600~0699/0658.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0661.Image-Smoother.md b/website/content/ChapterFour/0600~0699/0661.Image-Smoother.md
index 898ac924..048d5da9 100644
--- a/website/content/ChapterFour/0600~0699/0661.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md b/website/content/ChapterFour/0600~0699/0662.Maximum-Width-of-Binary-Tree.md
index 00a6fb10..6975b34d 100755
--- a/website/content/ChapterFour/0600~0699/0662.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md b/website/content/ChapterFour/0600~0699/0668.Kth-Smallest-Number-in-Multiplication-Table.md
index cac282b2..7643ffe3 100755
--- a/website/content/ChapterFour/0600~0699/0668.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md b/website/content/ChapterFour/0600~0699/0674.Longest-Continuous-Increasing-Subsequence.md
index af34e78f..58966b72 100644
--- a/website/content/ChapterFour/0600~0699/0674.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md b/website/content/ChapterFour/0600~0699/0676.Implement-Magic-Dictionary.md
index 13e25288..c0d96e1a 100755
--- a/website/content/ChapterFour/0600~0699/0676.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md b/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
index 447934fb..a85678d4 100644
--- a/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
+++ b/website/content/ChapterFour/0600~0699/0682.Baseball-Game.md
@@ -108,6 +108,6 @@ func calPoints(ops []string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md b/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
index 5348b2b9..6f48fee3 100755
--- a/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
+++ b/website/content/ChapterFour/0600~0699/0684.Redundant-Connection.md
@@ -87,6 +87,6 @@ func findRedundantConnection(edges [][]int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0685.Redundant-Connection-II.md b/website/content/ChapterFour/0600~0699/0685.Redundant-Connection-II.md
index f96a97c7..b6befebf 100755
--- a/website/content/ChapterFour/0600~0699/0685.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md b/website/content/ChapterFour/0600~0699/0693.Binary-Number-with-Alternating-Bits.md
index 0a75d45c..e363ecde 100755
--- a/website/content/ChapterFour/0600~0699/0693.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0695.Max-Area-of-Island.md b/website/content/ChapterFour/0600~0699/0695.Max-Area-of-Island.md
index 6d5ee78a..8e4d4633 100644
--- a/website/content/ChapterFour/0600~0699/0695.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0697.Degree-of-an-Array.md b/website/content/ChapterFour/0600~0699/0697.Degree-of-an-Array.md
index 25cf311a..3b0f4bfd 100644
--- a/website/content/ChapterFour/0600~0699/0697.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md b/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
index 7986f80e..6e2b84a4 100755
--- a/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
+++ b/website/content/ChapterFour/0600~0699/0699.Falling-Squares.md
@@ -147,6 +147,6 @@ func discretization(positions [][]int) map[int]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0704.Binary-Search.md b/website/content/ChapterFour/0700~0799/0704.Binary-Search.md
index ea9b82b3..64fc5a4c 100755
--- a/website/content/ChapterFour/0700~0799/0704.Binary-Search.md
+++ b/website/content/ChapterFour/0700~0799/0704.Binary-Search.md
@@ -69,6 +69,6 @@ func search704(nums []int, target int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md b/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
index da4d3578..c535d896 100755
--- a/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
+++ b/website/content/ChapterFour/0700~0799/0705.Design-HashSet.md
@@ -96,6 +96,6 @@ func (this *MyHashSet) Contains(key int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md b/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
index 786c2cab..e941b88e 100755
--- a/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
+++ b/website/content/ChapterFour/0700~0799/0706.Design-HashMap.md
@@ -153,6 +153,6 @@ func (this *MyHashMap) Hash(value int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0707.Design-Linked-List.md b/website/content/ChapterFour/0700~0799/0707.Design-Linked-List.md
index 6930dd2f..c42b3426 100644
--- a/website/content/ChapterFour/0700~0799/0707.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md b/website/content/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md
index 8622e8ed..f8054087 100644
--- a/website/content/ChapterFour/0700~0799/0710.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md b/website/content/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md
index 47182853..11c50a4b 100644
--- a/website/content/ChapterFour/0700~0799/0713.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0714.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
index 9a4f62fb..055c8f84 100755
--- a/website/content/ChapterFour/0700~0799/0714.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0715.Range-Module.md b/website/content/ChapterFour/0700~0799/0715.Range-Module.md
index 80b3a39b..27defe3d 100755
--- a/website/content/ChapterFour/0700~0799/0715.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md b/website/content/ChapterFour/0700~0799/0717.1-bit-and-2-bit-Characters.md
index 82de8dfc..baf0dc10 100755
--- a/website/content/ChapterFour/0700~0799/0717.1-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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md b/website/content/ChapterFour/0700~0799/0718.Maximum-Length-of-Repeated-Subarray.md
index 211ef777..004d6f82 100755
--- a/website/content/ChapterFour/0700~0799/0718.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md b/website/content/ChapterFour/0700~0799/0719.Find-K-th-Smallest-Pair-Distance.md
index d529b244..3f85a6de 100755
--- a/website/content/ChapterFour/0700~0799/0719.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md b/website/content/ChapterFour/0700~0799/0720.Longest-Word-in-Dictionary.md
index 27b9c7a1..f35712bb 100755
--- a/website/content/ChapterFour/0700~0799/0720.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md b/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
index 42c63ba1..dfe1190c 100755
--- a/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
+++ b/website/content/ChapterFour/0700~0799/0721.Accounts-Merge.md
@@ -151,6 +151,6 @@ func accountsMerge1(accounts [][]string) [][]string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md b/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
index 5360bf54..23a7aeee 100644
--- a/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
+++ b/website/content/ChapterFour/0700~0799/0724.Find-Pivot-Index.md
@@ -76,6 +76,6 @@ func pivotIndex(nums []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md b/website/content/ChapterFour/0700~0799/0725.Split-Linked-List-in-Parts.md
index 7bc0e10e..310afd70 100644
--- a/website/content/ChapterFour/0700~0799/0725.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md b/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
index a885505c..3cbf7a4f 100755
--- a/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
+++ b/website/content/ChapterFour/0700~0799/0726.Number-of-Atoms.md
@@ -188,6 +188,6 @@ func isLowerLetter(v byte) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0729.My-Calendar-I.md b/website/content/ChapterFour/0700~0799/0729.My-Calendar-I.md
index 15bb691d..6c7cf30b 100755
--- a/website/content/ChapterFour/0700~0799/0729.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0732.My-Calendar-III.md b/website/content/ChapterFour/0700~0799/0732.My-Calendar-III.md
index 16114138..170edfd7 100755
--- a/website/content/ChapterFour/0700~0799/0732.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0733.Flood-Fill.md b/website/content/ChapterFour/0700~0799/0733.Flood-Fill.md
index b66a77a7..9fee69a4 100755
--- a/website/content/ChapterFour/0700~0799/0733.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md b/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
index a9933fdb..7a9227f5 100644
--- a/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
+++ b/website/content/ChapterFour/0700~0799/0735.Asteroid-Collision.md
@@ -107,6 +107,6 @@ func asteroidCollision(asteroids []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md b/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
index 514474e8..4a15a20b 100644
--- a/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
+++ b/website/content/ChapterFour/0700~0799/0739.Daily-Temperatures.md
@@ -61,6 +61,6 @@ func dailyTemperatures1(T []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md b/website/content/ChapterFour/0700~0799/0744.Find-Smallest-Letter-Greater-Than-Target.md
index da03eb56..daa8ce50 100755
--- a/website/content/ChapterFour/0700~0799/0744.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search.md b/website/content/ChapterFour/0700~0799/0745.Prefix-and-Suffix-Search.md
index fef5fe50..6934034e 100755
--- a/website/content/ChapterFour/0700~0799/0745.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md b/website/content/ChapterFour/0700~0799/0746.Min-Cost-Climbing-Stairs.md
index b7616f0b..94bfac52 100755
--- a/website/content/ChapterFour/0700~0799/0746.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md b/website/content/ChapterFour/0700~0799/0748.Shortest-Completing-Word.md
index 8f2cb3a5..5bf3a79d 100755
--- a/website/content/ChapterFour/0700~0799/0748.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0753.Cracking-the-Safe.md b/website/content/ChapterFour/0700~0799/0753.Cracking-the-Safe.md
index 63567a9f..12f1d6eb 100644
--- a/website/content/ChapterFour/0700~0799/0753.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md b/website/content/ChapterFour/0700~0799/0756.Pyramid-Transition-Matrix.md
index b3042ed5..8694d1fe 100755
--- a/website/content/ChapterFour/0700~0799/0756.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0762.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
index fcfb1d5c..a4c571cf 100755
--- a/website/content/ChapterFour/0700~0799/0762.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md b/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
index e5273f5e..caac72ef 100644
--- a/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
+++ b/website/content/ChapterFour/0700~0799/0763.Partition-Labels.md
@@ -94,6 +94,6 @@ func partitionLabels1(S string) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md b/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
index 65a08a69..87fe36c4 100755
--- a/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
+++ b/website/content/ChapterFour/0700~0799/0765.Couples-Holding-Hands.md
@@ -95,6 +95,6 @@ func minSwapsCouples(row []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md b/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
index e4f7e305..e18758da 100755
--- a/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
+++ b/website/content/ChapterFour/0700~0799/0766.Toeplitz-Matrix.md
@@ -81,6 +81,6 @@ func isToeplitzMatrix(matrix [][]int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md b/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
index 60eb52c3..c3bb9234 100644
--- a/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
+++ b/website/content/ChapterFour/0700~0799/0767.Reorganize-String.md
@@ -151,6 +151,6 @@ func frequencySort767(s string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0771.Jewels-and-Stones.md b/website/content/ChapterFour/0700~0799/0771.Jewels-and-Stones.md
index e5322860..c9a91a4d 100755
--- a/website/content/ChapterFour/0700~0799/0771.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md b/website/content/ChapterFour/0700~0799/0778.Swim-in-Rising-Water.md
index dbb2414b..cc51e80b 100755
--- a/website/content/ChapterFour/0700~0799/0778.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md b/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
index 5ec3870d..29edfa86 100755
--- a/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
+++ b/website/content/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md
@@ -71,6 +71,6 @@ func numRabbits(ans []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md b/website/content/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md
index 18f870a0..98edd886 100755
--- a/website/content/ChapterFour/0700~0799/0784.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md b/website/content/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md
index f595b55e..748451ee 100644
--- a/website/content/ChapterFour/0700~0799/0785.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md b/website/content/ChapterFour/0700~0799/0786.K-th-Smallest-Prime-Fraction.md
index 17203613..b0747026 100755
--- a/website/content/ChapterFour/0700~0799/0786.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md b/website/content/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md
index e931f679..3208a8ae 100755
--- a/website/content/ChapterFour/0700~0799/0793.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md b/website/content/ChapterFour/0800~0899/0802.Find-Eventual-Safe-States.md
index af127111..74054507 100644
--- a/website/content/ChapterFour/0800~0899/0802.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md b/website/content/ChapterFour/0800~0899/0803.Bricks-Falling-When-Hit.md
index c08b8ab8..81657194 100755
--- a/website/content/ChapterFour/0800~0899/0803.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md b/website/content/ChapterFour/0800~0899/0811.Subdomain-Visit-Count.md
index d2eda349..c3a9ac90 100755
--- a/website/content/ChapterFour/0800~0899/0811.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md b/website/content/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md
index 81ea3077..6519d158 100644
--- a/website/content/ChapterFour/0800~0899/0812.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0815.Bus-Routes.md b/website/content/ChapterFour/0800~0899/0815.Bus-Routes.md
index 18b747b2..844c5540 100755
--- a/website/content/ChapterFour/0800~0899/0815.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0817.Linked-List-Components.md b/website/content/ChapterFour/0800~0899/0817.Linked-List-Components.md
index 4b49383b..1442d128 100644
--- a/website/content/ChapterFour/0800~0899/0817.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0819.Most-Common-Word.md b/website/content/ChapterFour/0800~0899/0819.Most-Common-Word.md
index 307a2044..9da8c4cd 100755
--- a/website/content/ChapterFour/0800~0899/0819.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md b/website/content/ChapterFour/0800~0899/0826.Most-Profit-Assigning-Work.md
index 4e49558d..f8053719 100644
--- a/website/content/ChapterFour/0800~0899/0826.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0828.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
index c60e35a1..6f5f28d4 100644
--- a/website/content/ChapterFour/0800~0899/0828.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md b/website/content/ChapterFour/0800~0899/0830.Positions-of-Large-Groups.md
index 3fdced6d..5efa20ed 100644
--- a/website/content/ChapterFour/0800~0899/0830.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md b/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
index 50bf028f..3c3bc5aa 100644
--- a/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
+++ b/website/content/ChapterFour/0800~0899/0832.Flipping-an-Image.md
@@ -65,6 +65,6 @@ func flipAndInvertImage(A [][]int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md b/website/content/ChapterFour/0800~0899/0834.Sum-of-Distances-in-Tree.md
index d6a010e8..f4c5a049 100755
--- a/website/content/ChapterFour/0800~0899/0834.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)
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md b/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
index 986dda6e..0475596b 100755
--- a/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
+++ b/website/content/ChapterFour/0800~0899/0836.Rectangle-Overlap.md
@@ -56,6 +56,6 @@ func isRectangleOverlap(rec1 []int, rec2 []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md b/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
index 548a2bac..773914ef 100644
--- a/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
+++ b/website/content/ChapterFour/0800~0899/0838.Push-Dominoes.md
@@ -146,6 +146,6 @@ func pushDominoes1(dominoes string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0839.Similar-String-Groups.md b/website/content/ChapterFour/0800~0899/0839.Similar-String-Groups.md
index e1ad098b..ed2f2242 100755
--- a/website/content/ChapterFour/0800~0899/0839.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0841.Keys-and-Rooms.md b/website/content/ChapterFour/0800~0899/0841.Keys-and-Rooms.md
index b7f3e74a..8e4f23f9 100644
--- a/website/content/ChapterFour/0800~0899/0841.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md b/website/content/ChapterFour/0800~0899/0842.Split-Array-into-Fibonacci-Sequence.md
index 6326d234..a50cc2f3 100755
--- a/website/content/ChapterFour/0800~0899/0842.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0844.Backspace-String-Compare.md b/website/content/ChapterFour/0800~0899/0844.Backspace-String-Compare.md
index 2ecbe11f..6adcab29 100644
--- a/website/content/ChapterFour/0800~0899/0844.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md b/website/content/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md
index 9379ea68..d0270ed5 100644
--- a/website/content/ChapterFour/0800~0899/0845.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0850.Rectangle-Area-II.md b/website/content/ChapterFour/0800~0899/0850.Rectangle-Area-II.md
index 149bcf13..965f4da0 100755
--- a/website/content/ChapterFour/0800~0899/0850.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0851.Loud-and-Rich.md b/website/content/ChapterFour/0800~0899/0851.Loud-and-Rich.md
index fbe44627..ca43a9ef 100644
--- a/website/content/ChapterFour/0800~0899/0851.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md b/website/content/ChapterFour/0800~0899/0852.Peak-Index-in-a-Mountain-Array.md
index 0948ede4..12aa32de 100755
--- a/website/content/ChapterFour/0800~0899/0852.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0853.Car-Fleet.md b/website/content/ChapterFour/0800~0899/0853.Car-Fleet.md
index bb13b0d5..b3532036 100755
--- a/website/content/ChapterFour/0800~0899/0853.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md b/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
index 7c810458..1b7546ca 100644
--- a/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
+++ b/website/content/ChapterFour/0800~0899/0856.Score-of-Parentheses.md
@@ -104,6 +104,6 @@ func scoreOfParentheses(S string) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md b/website/content/ChapterFour/0800~0899/0862.Shortest-Subarray-with-Sum-at-Least-K.md
index 0bd92651..a1079dfd 100644
--- a/website/content/ChapterFour/0800~0899/0862.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md b/website/content/ChapterFour/0800~0899/0863.All-Nodes-Distance-K-in-Binary-Tree.md
index c212698a..2944f0e1 100644
--- a/website/content/ChapterFour/0800~0899/0863.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md b/website/content/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md
index b9dcafd7..7c05689b 100755
--- a/website/content/ChapterFour/0800~0899/0864.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md b/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
index b9a42775..8947ba83 100755
--- a/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
+++ b/website/content/ChapterFour/0800~0899/0867.Transpose-Matrix.md
@@ -59,6 +59,6 @@ func transpose(A [][]int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md b/website/content/ChapterFour/0800~0899/0872.Leaf-Similar-Trees.md
index bce16f6b..ae1cbeb2 100644
--- a/website/content/ChapterFour/0800~0899/0872.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md b/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
index 7da578f7..0eeb2e40 100755
--- a/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
+++ b/website/content/ChapterFour/0800~0899/0875.Koko-Eating-Bananas.md
@@ -103,6 +103,6 @@ func maxInArr(xs []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md b/website/content/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md
index e4532487..fb584c8d 100644
--- a/website/content/ChapterFour/0800~0899/0876.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0878.Nth-Magical-Number.md b/website/content/ChapterFour/0800~0899/0878.Nth-Magical-Number.md
index 7dc186cc..ae40b10b 100755
--- a/website/content/ChapterFour/0800~0899/0878.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md b/website/content/ChapterFour/0800~0899/0880.Decoded-String-at-Index.md
index e1f0e0b1..08ca3315 100644
--- a/website/content/ChapterFour/0800~0899/0880.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0881.Boats-to-Save-People.md b/website/content/ChapterFour/0800~0899/0881.Boats-to-Save-People.md
index a42fd693..ddc07e9f 100644
--- a/website/content/ChapterFour/0800~0899/0881.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md b/website/content/ChapterFour/0800~0899/0884.Uncommon-Words-from-Two-Sentences.md
index cf2505db..40c26024 100755
--- a/website/content/ChapterFour/0800~0899/0884.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md b/website/content/ChapterFour/0800~0899/0885.Spiral-Matrix-III.md
index 9e57b2b0..48444a0d 100755
--- a/website/content/ChapterFour/0800~0899/0885.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0887.Super-Egg-Drop.md b/website/content/ChapterFour/0800~0899/0887.Super-Egg-Drop.md
index d7508003..1e167223 100755
--- a/website/content/ChapterFour/0800~0899/0887.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md b/website/content/ChapterFour/0800~0899/0888.Fair-Candy-Swap.md
index 5e805037..4c5a9e21 100644
--- a/website/content/ChapterFour/0800~0899/0888.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md b/website/content/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md
index b8cf2e13..7a75c042 100644
--- a/website/content/ChapterFour/0800~0899/0891.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md b/website/content/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md
index 0ffd62dc..9fa02621 100644
--- a/website/content/ChapterFour/0800~0899/0892.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md b/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
index 776d3184..06911750 100644
--- a/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
+++ b/website/content/ChapterFour/0800~0899/0895.Maximum-Frequency-Stack.md
@@ -115,6 +115,6 @@ func (this *FreqStack) Pop() int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md b/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
index 56eddaa0..93101750 100644
--- a/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
+++ b/website/content/ChapterFour/0800~0899/0896.Monotonic-Array.md
@@ -101,6 +101,6 @@ func dec(A []int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md b/website/content/ChapterFour/0800~0899/0897.Increasing-Order-Search-Tree.md
index f0639a17..cfac7507 100755
--- a/website/content/ChapterFour/0800~0899/0897.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md b/website/content/ChapterFour/0800~0899/0898.Bitwise-ORs-of-Subarrays.md
index c17418d4..bf494c57 100755
--- a/website/content/ChapterFour/0800~0899/0898.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0901.Online-Stock-Span.md b/website/content/ChapterFour/0900~0999/0901.Online-Stock-Span.md
index b85244d1..b9d82c95 100644
--- a/website/content/ChapterFour/0900~0999/0901.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md b/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
index 95079e7f..7f155d1b 100644
--- a/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
+++ b/website/content/ChapterFour/0900~0999/0904.Fruit-Into-Baskets.md
@@ -117,6 +117,6 @@ func totalFruit(tree []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md b/website/content/ChapterFour/0900~0999/0907.Sum-of-Subarray-Minimums.md
index 21544292..abf0341b 100644
--- a/website/content/ChapterFour/0900~0999/0907.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0910.Smallest-Range-II.md b/website/content/ChapterFour/0900~0999/0910.Smallest-Range-II.md
index 82794f39..69ca991f 100644
--- a/website/content/ChapterFour/0900~0999/0910.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0911.Online-Election.md b/website/content/ChapterFour/0900~0999/0911.Online-Election.md
index eedcb5c8..a00cd736 100755
--- a/website/content/ChapterFour/0900~0999/0911.Online-Election.md
+++ b/website/content/ChapterFour/0900~0999/0911.Online-Election.md
@@ -101,6 +101,6 @@ func (tvc *TopVotedCandidate) Q(t int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0914.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
index 8c1ad0f3..dbba1a2c 100644
--- a/website/content/ChapterFour/0900~0999/0914.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md b/website/content/ChapterFour/0900~0999/0918.Maximum-Sum-Circular-Subarray.md
index 6f2526d7..94930041 100755
--- a/website/content/ChapterFour/0900~0999/0918.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md b/website/content/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md
index cd023864..27e21445 100755
--- a/website/content/ChapterFour/0900~0999/0920.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md b/website/content/ChapterFour/0900~0999/0921.Minimum-Add-to-Make-Parentheses-Valid.md
index d634ca3d..f11d433e 100644
--- a/website/content/ChapterFour/0900~0999/0921.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md b/website/content/ChapterFour/0900~0999/0922.Sort-Array-By-Parity-II.md
index 1b315cbb..c89384dd 100644
--- a/website/content/ChapterFour/0900~0999/0922.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md b/website/content/ChapterFour/0900~0999/0923.3Sum-With-Multiplicity.md
index b10b767f..6cacce75 100644
--- a/website/content/ChapterFour/0900~0999/0923.3Sum-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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md b/website/content/ChapterFour/0900~0999/0924.Minimize-Malware-Spread.md
index 3b4fb596..ad9b7f5f 100755
--- a/website/content/ChapterFour/0900~0999/0924.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0925.Long-Pressed-Name.md b/website/content/ChapterFour/0900~0999/0925.Long-Pressed-Name.md
index 4025899b..1634e060 100644
--- a/website/content/ChapterFour/0900~0999/0925.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md b/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
index d0f0979e..9cdabc5d 100755
--- a/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
+++ b/website/content/ChapterFour/0900~0999/0927.Three-Equal-Parts.md
@@ -115,6 +115,6 @@ func threeEqualParts(A []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md b/website/content/ChapterFour/0900~0999/0928.Minimize-Malware-Spread-II.md
index 22e9f45e..16819d5e 100755
--- a/website/content/ChapterFour/0900~0999/0928.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md b/website/content/ChapterFour/0900~0999/0930.Binary-Subarrays-With-Sum.md
index 265f9b31..b79ee160 100644
--- a/website/content/ChapterFour/0900~0999/0930.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0933.Number-of-Recent-Calls.md b/website/content/ChapterFour/0900~0999/0933.Number-of-Recent-Calls.md
index 44cf1056..5067df81 100644
--- a/website/content/ChapterFour/0900~0999/0933.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md b/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
index 7254de73..ae0835b0 100755
--- a/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
+++ b/website/content/ChapterFour/0900~0999/0942.DI-String-Match.md
@@ -75,6 +75,6 @@ func diStringMatch(S string) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md b/website/content/ChapterFour/0900~0999/0946.Validate-Stack-Sequences.md
index 7794c71b..6b316fd5 100644
--- a/website/content/ChapterFour/0900~0999/0946.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0947.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
index b976171e..215f957e 100755
--- a/website/content/ChapterFour/0900~0999/0947.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md b/website/content/ChapterFour/0900~0999/0949.Largest-Time-for-Given-Digits.md
index 6ec4fffa..4dee6fdb 100644
--- a/website/content/ChapterFour/0900~0999/0949.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md b/website/content/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md
index 85c83482..48a6fda3 100755
--- a/website/content/ChapterFour/0900~0999/0952.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md b/website/content/ChapterFour/0900~0999/0953.Verifying-an-Alien-Dictionary.md
index dfdde219..5d922cba 100755
--- a/website/content/ChapterFour/0900~0999/0953.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md b/website/content/ChapterFour/0900~0999/0959.Regions-Cut-By-Slashes.md
index d9f8eed2..5b6f1314 100755
--- a/website/content/ChapterFour/0900~0999/0959.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md b/website/content/ChapterFour/0900~0999/0961.N-Repeated-Element-in-Size-2N-Array.md
index 5fe35e97..dcadf139 100755
--- a/website/content/ChapterFour/0900~0999/0961.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md b/website/content/ChapterFour/0900~0999/0968.Binary-Tree-Cameras.md
index d11dbab5..668b10a5 100755
--- a/website/content/ChapterFour/0900~0999/0968.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md b/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
index 6755f805..29ed06f4 100644
--- a/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
+++ b/website/content/ChapterFour/0900~0999/0969.Pancake-Sorting.md
@@ -98,6 +98,6 @@ func find(nums []int, t int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md b/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
index 95a7db75..9de26c3d 100755
--- a/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
+++ b/website/content/ChapterFour/0900~0999/0970.Powerful-Integers.md
@@ -90,6 +90,6 @@ func pow(x, i int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md b/website/content/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md
index 77984f7e..ead750c1 100644
--- a/website/content/ChapterFour/0900~0999/0973.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md b/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
index 078db7d9..02ade12a 100644
--- a/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
+++ b/website/content/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md
@@ -80,6 +80,6 @@ func largestPerimeter(A []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md b/website/content/ChapterFour/0900~0999/0977.Squares-of-a-Sorted-Array.md
index d02cfd81..3b279c16 100644
--- a/website/content/ChapterFour/0900~0999/0977.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md b/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
index 62ece5f2..bb760b0c 100755
--- a/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
+++ b/website/content/ChapterFour/0900~0999/0978.Longest-Turbulent-Subarray.md
@@ -111,6 +111,6 @@ func maxTurbulenceSize1(A []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md b/website/content/ChapterFour/0900~0999/0979.Distribute-Coins-in-Binary-Tree.md
index 93872dbb..c76f6808 100755
--- a/website/content/ChapterFour/0900~0999/0979.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0980.Unique-Paths-III.md b/website/content/ChapterFour/0900~0999/0980.Unique-Paths-III.md
index 908e25c8..cd74994f 100755
--- a/website/content/ChapterFour/0900~0999/0980.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
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md b/website/content/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md
index 4b5c51ff..4ef63e1d 100755
--- a/website/content/ChapterFour/0900~0999/0981.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB.md b/website/content/ChapterFour/0900~0999/0984.String-Without-AAA-or-BBB.md
index f8f8a7fb..df90e6f0 100755
--- a/website/content/ChapterFour/0900~0999/0984.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md b/website/content/ChapterFour/0900~0999/0985.Sum-of-Even-Numbers-After-Queries.md
index 53918c0e..07f6c748 100644
--- a/website/content/ChapterFour/0900~0999/0985.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0986.Interval-List-Intersections.md b/website/content/ChapterFour/0900~0999/0986.Interval-List-Intersections.md
index a33b523e..78aaafa3 100644
--- a/website/content/ChapterFour/0900~0999/0986.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md b/website/content/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md
index 6628d58c..0d3600b3 100644
--- a/website/content/ChapterFour/0900~0999/0989.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md b/website/content/ChapterFour/0900~0999/0990.Satisfiability-of-Equality-Equations.md
index cc6c08ee..7d2b3a22 100755
--- a/website/content/ChapterFour/0900~0999/0990.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md b/website/content/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md
index 642f19c2..4d6ad940 100644
--- a/website/content/ChapterFour/0900~0999/0992.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md b/website/content/ChapterFour/0900~0999/0993.Cousins-in-Binary-Tree.md
index 4579f7bd..8a75f3e2 100755
--- a/website/content/ChapterFour/0900~0999/0993.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md b/website/content/ChapterFour/0900~0999/0995.Minimum-Number-of-K-Consecutive-Bit-Flips.md
index 3227e1d8..31066661 100755
--- a/website/content/ChapterFour/0900~0999/0995.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md b/website/content/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md
index 270b4cb0..a003aafa 100755
--- a/website/content/ChapterFour/0900~0999/0996.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md b/website/content/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md
index 7253b6c1..1831514c 100644
--- a/website/content/ChapterFour/0900~0999/0999.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md b/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
index 93b72aa6..2e1f62b4 100755
--- a/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
+++ b/website/content/ChapterFour/1000~1099/1002.Find-Common-Characters.md
@@ -76,6 +76,6 @@ func commonChars(A []string) []string {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md b/website/content/ChapterFour/1000~1099/1003.Check-If-Word-Is-Valid-After-Substitutions.md
index 2c4ec6b3..69a4c678 100644
--- a/website/content/ChapterFour/1000~1099/1003.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md b/website/content/ChapterFour/1000~1099/1004.Max-Consecutive-Ones-III.md
index 54a10366..c7c40384 100644
--- a/website/content/ChapterFour/1000~1099/1004.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations.md b/website/content/ChapterFour/1000~1099/1005.Maximize-Sum-Of-Array-After-K-Negations.md
index cfa94c28..6b0cc810 100644
--- a/website/content/ChapterFour/1000~1099/1005.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md b/website/content/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md
index 5db2dec8..c07d5ecb 100755
--- a/website/content/ChapterFour/1000~1099/1011.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1017.Convert-to-Base--2.md b/website/content/ChapterFour/1000~1099/1017.Convert-to-Base--2.md
index 26516464..d6aaa9ad 100755
--- a/website/content/ChapterFour/1000~1099/1017.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md b/website/content/ChapterFour/1000~1099/1018.Binary-Prefix-Divisible-By-5.md
index 98109b82..ea3b7f5a 100644
--- a/website/content/ChapterFour/1000~1099/1018.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md b/website/content/ChapterFour/1000~1099/1019.Next-Greater-Node-In-Linked-List.md
index 82843023..d54c4e03 100644
--- a/website/content/ChapterFour/1000~1099/1019.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1020.Number-of-Enclaves.md b/website/content/ChapterFour/1000~1099/1020.Number-of-Enclaves.md
index b125cd5d..85dcb5ff 100644
--- a/website/content/ChapterFour/1000~1099/1020.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md b/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
index 3bc01ab3..d6ffcbd0 100644
--- a/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
+++ b/website/content/ChapterFour/1000~1099/1021.Remove-Outermost-Parentheses.md
@@ -125,6 +125,6 @@ func removeOuterParentheses1(S string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md b/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
index 34dcdfe2..2183178d 100755
--- a/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
+++ b/website/content/ChapterFour/1000~1099/1025.Divisor-Game.md
@@ -64,6 +64,6 @@ func divisorGame(N int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md b/website/content/ChapterFour/1000~1099/1026.Maximum-Difference-Between-Node-and-Ancestor.md
index 6d75cc21..325536b0 100644
--- a/website/content/ChapterFour/1000~1099/1026.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md b/website/content/ChapterFour/1000~1099/1028.Recover-a-Tree-From-Preorder-Traversal.md
index 01210afb..a7195a54 100755
--- a/website/content/ChapterFour/1000~1099/1028.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md b/website/content/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md
index 62a940fb..f71f5f8a 100755
--- a/website/content/ChapterFour/1000~1099/1030.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md b/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
index 3dc1b94c..7eaf0b08 100644
--- a/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
+++ b/website/content/ChapterFour/1000~1099/1037.Valid-Boomerang.md
@@ -51,6 +51,6 @@ func isBoomerang(points [][]int) bool {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md b/website/content/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md
index d611c135..7234a7d0 100755
--- a/website/content/ChapterFour/1000~1099/1040.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md b/website/content/ChapterFour/1000~1099/1047.Remove-All-Adjacent-Duplicates-In-String.md
index 1fd0cb3a..22e3764f 100644
--- a/website/content/ChapterFour/1000~1099/1047.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md b/website/content/ChapterFour/1000~1099/1049.Last-Stone-Weight-II.md
index 035a6afc..5cb48f00 100755
--- a/website/content/ChapterFour/1000~1099/1049.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1051.Height-Checker.md b/website/content/ChapterFour/1000~1099/1051.Height-Checker.md
index 6fecbda0..cb5879d4 100644
--- a/website/content/ChapterFour/1000~1099/1051.Height-Checker.md
+++ b/website/content/ChapterFour/1000~1099/1051.Height-Checker.md
@@ -74,6 +74,6 @@ func heightChecker(heights []int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md b/website/content/ChapterFour/1000~1099/1052.Grumpy-Bookstore-Owner.md
index 40805ff8..4e48b5af 100755
--- a/website/content/ChapterFour/1000~1099/1052.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md b/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
index e9322c19..ea71fd10 100755
--- a/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
+++ b/website/content/ChapterFour/1000~1099/1054.Distant-Barcodes.md
@@ -94,6 +94,6 @@ func barcodesFrequencySort(s []int) []int {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md b/website/content/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md
index dbbdc84a..ef540b11 100755
--- a/website/content/ChapterFour/1000~1099/1073.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md b/website/content/ChapterFour/1000~1099/1074.Number-of-Submatrices-That-Sum-to-Target.md
index 796e1700..4318fa89 100755
--- a/website/content/ChapterFour/1000~1099/1074.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md b/website/content/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md
index 37333250..877eeff7 100755
--- a/website/content/ChapterFour/1000~1099/1078.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md b/website/content/ChapterFour/1000~1099/1079.Letter-Tile-Possibilities.md
index 2dc6dd6a..1227f74c 100755
--- a/website/content/ChapterFour/1000~1099/1079.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md b/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
index a124e966..f59028dc 100644
--- a/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
+++ b/website/content/ChapterFour/1000~1099/1089.Duplicate-Zeros.md
@@ -60,6 +60,6 @@ func duplicateZeros(arr []int) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md b/website/content/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md
index 863f1f81..dcc4dd1b 100755
--- a/website/content/ChapterFour/1000~1099/1093.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md b/website/content/ChapterFour/1100~1199/1105.Filling-Bookcase-Shelves.md
index e2c256c7..f7a5f422 100755
--- a/website/content/ChapterFour/1100~1199/1105.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md b/website/content/ChapterFour/1100~1199/1108.Defanging-an-IP-Address.md
index f745e3bd..90724672 100755
--- a/website/content/ChapterFour/1100~1199/1108.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md b/website/content/ChapterFour/1100~1199/1110.Delete-Nodes-And-Return-Forest.md
index 971b3e1b..7b317cc4 100644
--- a/website/content/ChapterFour/1100~1199/1110.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1111.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
index bc6d761b..4289e982 100755
--- a/website/content/ChapterFour/1100~1199/1111.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1122.Relative-Sort-Array.md b/website/content/ChapterFour/1100~1199/1122.Relative-Sort-Array.md
index 3ce06048..c36c2f10 100755
--- a/website/content/ChapterFour/1100~1199/1122.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md b/website/content/ChapterFour/1100~1199/1123.Lowest-Common-Ancestor-of-Deepest-Leaves.md
index f3fb3dee..af07abca 100755
--- a/website/content/ChapterFour/1100~1199/1123.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md b/website/content/ChapterFour/1100~1199/1128.Number-of-Equivalent-Domino-Pairs.md
index b9f94100..396e61e1 100755
--- a/website/content/ChapterFour/1100~1199/1128.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md b/website/content/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md
index 211d5ba6..179f6cc6 100755
--- a/website/content/ChapterFour/1100~1199/1137.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md b/website/content/ChapterFour/1100~1199/1145.Binary-Tree-Coloring-Game.md
index c1395df1..047f0d03 100644
--- a/website/content/ChapterFour/1100~1199/1145.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1154.Day-of-the-Year.md b/website/content/ChapterFour/1100~1199/1154.Day-of-the-Year.md
index b4c4bcb2..98e392d0 100755
--- a/website/content/ChapterFour/1100~1199/1154.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md b/website/content/ChapterFour/1100~1199/1157.Online-Majority-Element-In-Subarray.md
index abfafc03..0fd147e4 100755
--- a/website/content/ChapterFour/1100~1199/1157.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1160.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
index 2df6a209..a0e7603d 100755
--- a/website/content/ChapterFour/1100~1199/1160.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1170.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
index 854c1e78..987a39a8 100755
--- a/website/content/ChapterFour/1100~1199/1170.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1171.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
index bee3e8a8..49e9862b 100755
--- a/website/content/ChapterFour/1100~1199/1171.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md b/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
index 063a2619..e6ef7db5 100755
--- a/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
+++ b/website/content/ChapterFour/1100~1199/1175.Prime-Arrangements.md
@@ -67,6 +67,6 @@ func factorial(n int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md b/website/content/ChapterFour/1100~1199/1184.Distance-Between-Bus-Stops.md
index 5d23749e..7d3f9829 100755
--- a/website/content/ChapterFour/1100~1199/1184.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1185.Day-of-the-Week.md b/website/content/ChapterFour/1100~1199/1185.Day-of-the-Week.md
index 5b34b8de..e7489d10 100755
--- a/website/content/ChapterFour/1100~1199/1185.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md b/website/content/ChapterFour/1100~1199/1189.Maximum-Number-of-Balloons.md
index ac27e5eb..22cf634d 100755
--- a/website/content/ChapterFour/1100~1199/1189.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md b/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
index 2cbf856b..f23995fb 100755
--- a/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
+++ b/website/content/ChapterFour/1200~1299/1200.Minimum-Absolute-Difference.md
@@ -79,6 +79,6 @@ func minimumAbsDifference(arr []int) [][]int {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1201.Ugly-Number-III.md b/website/content/ChapterFour/1200~1299/1201.Ugly-Number-III.md
index 9382712f..a4a3299d 100755
--- a/website/content/ChapterFour/1200~1299/1201.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md b/website/content/ChapterFour/1200~1299/1202.Smallest-String-With-Swaps.md
index 903771e8..32b06cb9 100755
--- a/website/content/ChapterFour/1200~1299/1202.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md b/website/content/ChapterFour/1200~1299/1203.Sort-Items-by-Groups-Respecting-Dependencies.md
index 99193c75..6cbdc8ce 100644
--- a/website/content/ChapterFour/1200~1299/1203.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md b/website/content/ChapterFour/1200~1299/1207.Unique-Number-of-Occurrences.md
index 1b3aff67..acd4c99d 100755
--- a/website/content/ChapterFour/1200~1299/1207.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md b/website/content/ChapterFour/1200~1299/1208.Get-Equal-Substrings-Within-Budget.md
index 92c91739..ff499c21 100755
--- a/website/content/ChapterFour/1200~1299/1208.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1217.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
index d1b1cda2..8bba13af 100755
--- a/website/content/ChapterFour/1200~1299/1217.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md b/website/content/ChapterFour/1200~1299/1221.Split-a-String-in-Balanced-Strings.md
index 4111287f..d1735865 100755
--- a/website/content/ChapterFour/1200~1299/1221.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md b/website/content/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md
index 3d4fc4cb..07ad32d4 100755
--- a/website/content/ChapterFour/1200~1299/1232.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md b/website/content/ChapterFour/1200~1299/1234.Replace-the-Substring-for-Balanced-String.md
index 8404def8..50847fe1 100755
--- a/website/content/ChapterFour/1200~1299/1234.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md b/website/content/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md
index 831aceef..61532853 100755
--- a/website/content/ChapterFour/1200~1299/1235.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md b/website/content/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md
index 6f869e52..e0a66edf 100755
--- a/website/content/ChapterFour/1200~1299/1252.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md b/website/content/ChapterFour/1200~1299/1254.Number-of-Closed-Islands.md
index bdcdec52..96e175c9 100755
--- a/website/content/ChapterFour/1200~1299/1254.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1260.Shift-2D-Grid.md b/website/content/ChapterFour/1200~1299/1260.Shift-2D-Grid.md
index 8a10aef5..83fcdef1 100644
--- a/website/content/ChapterFour/1200~1299/1260.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md b/website/content/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md
index 3e9ad63d..252a9822 100755
--- a/website/content/ChapterFour/1200~1299/1266.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1275.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
index 92f05952..d7721e9e 100644
--- a/website/content/ChapterFour/1200~1299/1275.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1281.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
index 2c964c08..f512f847 100644
--- a/website/content/ChapterFour/1200~1299/1281.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md b/website/content/ChapterFour/1200~1299/1283.Find-the-Smallest-Divisor-Given-a-Threshold.md
index e25c1209..044a91c7 100644
--- a/website/content/ChapterFour/1200~1299/1283.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1287.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
index c1c9d669..03294b89 100644
--- a/website/content/ChapterFour/1200~1299/1287.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1290.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
index 28ab0065..41633eae 100644
--- a/website/content/ChapterFour/1200~1299/1290.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md b/website/content/ChapterFour/1200~1299/1295.Find-Numbers-with-Even-Number-of-Digits.md
index 32096cd1..17d3b6ba 100644
--- a/website/content/ChapterFour/1200~1299/1295.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1200~1299/1299.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
index fb242b8f..2bbb88ac 100644
--- a/website/content/ChapterFour/1200~1299/1299.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md b/website/content/ChapterFour/1300~1399/1300.Sum-of-Mutated-Array-Closest-to-Target.md
index 113f3d86..3e13fe77 100644
--- a/website/content/ChapterFour/1300~1399/1300.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md b/website/content/ChapterFour/1300~1399/1302.Deepest-Leaves-Sum.md
index a79aef4d..6037e30c 100644
--- a/website/content/ChapterFour/1300~1399/1302.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1304.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
index 0fadb33f..35a82147 100644
--- a/website/content/ChapterFour/1300~1399/1304.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md b/website/content/ChapterFour/1300~1399/1305.All-Elements-in-Two-Binary-Search-Trees.md
index 4de15219..a29b324c 100644
--- a/website/content/ChapterFour/1300~1399/1305.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1306.Jump-Game-III.md b/website/content/ChapterFour/1300~1399/1306.Jump-Game-III.md
index 82a9fe22..cddd5cd0 100644
--- a/website/content/ChapterFour/1300~1399/1306.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md b/website/content/ChapterFour/1300~1399/1313.Decompress-Run-Length-Encoded-List.md
index a99baec6..afdb5f77 100644
--- a/website/content/ChapterFour/1300~1399/1313.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1317.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
index b275e3db..88984940 100644
--- a/website/content/ChapterFour/1300~1399/1317.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md b/website/content/ChapterFour/1300~1399/1319.Number-of-Operations-to-Make-Network-Connected.md
index 8cf7a2a2..2982a123 100644
--- a/website/content/ChapterFour/1300~1399/1319.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md b/website/content/ChapterFour/1300~1399/1329.Sort-the-Matrix-Diagonally.md
index 4d4808bc..3248ddc6 100644
--- a/website/content/ChapterFour/1300~1399/1329.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md b/website/content/ChapterFour/1300~1399/1380.Lucky-Numbers-in-a-Matrix.md
index 6115acc5..09721269 100644
--- a/website/content/ChapterFour/1300~1399/1380.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md b/website/content/ChapterFour/1300~1399/1385.Find-the-Distance-Value-Between-Two-Arrays.md
index 3e99081b..9d0a25fa 100644
--- a/website/content/ChapterFour/1300~1399/1385.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md b/website/content/ChapterFour/1300~1399/1389.Create-Target-Array-in-the-Given-Order.md
index ada9721b..5cdbf7b4 100644
--- a/website/content/ChapterFour/1300~1399/1389.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1437.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
index a0ba4c22..45800178 100644
--- a/website/content/ChapterFour/1400~1499/1437.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1455.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
index f224d37d..09d90aec 100644
--- a/website/content/ChapterFour/1400~1499/1455.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md b/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
index fe8beb59..2736380d 100644
--- a/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
+++ b/website/content/ChapterFour/1400~1499/1463.Cherry-Pickup-II.md
@@ -46,6 +46,6 @@ Output: 4
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1464.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
index c727b889..8f75c287 100644
--- a/website/content/ChapterFour/1400~1499/1464.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1470.Shuffle-the-Array.md b/website/content/ChapterFour/1400~1499/1470.Shuffle-the-Array.md
index 571c6c2e..f010ba9f 100644
--- a/website/content/ChapterFour/1400~1499/1470.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md b/website/content/ChapterFour/1400~1499/1480.Running-Sum-of-1d-Array.md
index 12573981..f3bde070 100644
--- a/website/content/ChapterFour/1400~1499/1480.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md b/website/content/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md
index 5d5db6bf..327a4e92 100644
--- a/website/content/ChapterFour/1500~1599/1512.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md b/website/content/ChapterFour/1500~1599/1539.Kth-Missing-Positive-Number.md
index 9ec04f9e..4052881d 100644
--- a/website/content/ChapterFour/1500~1599/1539.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md b/website/content/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md
index 9060eded..956091f2 100644
--- a/website/content/ChapterFour/1500~1599/1573.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md b/website/content/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md
index 5889f65b..10c25e7e 100644
--- a/website/content/ChapterFour/1600~1699/1640.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md b/website/content/ChapterFour/1600~1699/1641.Count-Sorted-Vowel-Strings.md
index 79480691..88f0b709 100644
--- a/website/content/ChapterFour/1600~1699/1641.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md b/website/content/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md
index b14b1501..0c91d006 100644
--- a/website/content/ChapterFour/1600~1699/1646.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md b/website/content/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md
index dddd6ba1..738cb917 100644
--- a/website/content/ChapterFour/1600~1699/1647.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md b/website/content/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md
index f65f56cb..6884175a 100644
--- a/website/content/ChapterFour/1600~1699/1648.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md b/website/content/ChapterFour/1600~1699/1649.Create-Sorted-Array-through-Instructions.md
index 69450ff8..63f7c120 100644
--- a/website/content/ChapterFour/1600~1699/1649.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md b/website/content/ChapterFour/1600~1699/1652.Defuse-the-Bomb.md
index 3ae46fce..8f5dc35f 100644
--- a/website/content/ChapterFour/1600~1699/1652.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md b/website/content/ChapterFour/1600~1699/1653.Minimum-Deletions-to-Make-String-Balanced.md
index bd2ee314..15d8427e 100644
--- a/website/content/ChapterFour/1600~1699/1653.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md b/website/content/ChapterFour/1600~1699/1654.Minimum-Jumps-to-Reach-Home.md
index 793f382c..bc5f9a41 100644
--- a/website/content/ChapterFour/1600~1699/1654.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md b/website/content/ChapterFour/1600~1699/1655.Distribute-Repeating-Integers.md
index 41977eef..ca4122a8 100644
--- a/website/content/ChapterFour/1600~1699/1655.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md b/website/content/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md
index 39c33d70..d71767f0 100644
--- a/website/content/ChapterFour/1600~1699/1656.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close.md b/website/content/ChapterFour/1600~1699/1657.Determine-if-Two-Strings-Are-Close.md
index 82d429e8..c36f7fa2 100644
--- a/website/content/ChapterFour/1600~1699/1657.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md b/website/content/ChapterFour/1600~1699/1658.Minimum-Operations-to-Reduce-X-to-Zero.md
index 955f6f2b..021824d2 100644
--- a/website/content/ChapterFour/1600~1699/1658.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md b/website/content/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md
index 73f3ed57..049e5fcf 100644
--- a/website/content/ChapterFour/1600~1699/1659.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md b/website/content/ChapterFour/1600~1699/1662.Check-If-Two-String-Arrays-are-Equivalent.md
index 84931259..4b99dc3e 100644
--- a/website/content/ChapterFour/1600~1699/1662.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value.md b/website/content/ChapterFour/1600~1699/1663.Smallest-String-With-A-Given-Numeric-Value.md
index e6875609..b373c410 100644
--- a/website/content/ChapterFour/1600~1699/1663.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md b/website/content/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md
index 45d86fc9..1c607617 100644
--- a/website/content/ChapterFour/1600~1699/1664.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks.md b/website/content/ChapterFour/1600~1699/1665.Minimum-Initial-Energy-to-Finish-Tasks.md
index 6518e98a..e201a20d 100644
--- a/website/content/ChapterFour/1600~1699/1665.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) {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md b/website/content/ChapterFour/1600~1699/1668.Maximum-Repeating-Substring.md
index 91c3fd9d..f86e6bc1 100644
--- a/website/content/ChapterFour/1600~1699/1668.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md b/website/content/ChapterFour/1600~1699/1669.Merge-In-Between-Linked-Lists.md
index fdd831d1..05e4afc4 100644
--- a/website/content/ChapterFour/1600~1699/1669.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md b/website/content/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md
index 533fa366..db98ab36 100644
--- a/website/content/ChapterFour/1600~1699/1670.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md b/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
index 13a3b114..72e287b6 100644
--- a/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
+++ b/website/content/ChapterFour/1600~1699/1672.Richest-Customer-Wealth.md
@@ -74,6 +74,6 @@ func maximumWealth(accounts [][]int) int {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md b/website/content/ChapterFour/1600~1699/1673.Find-the-Most-Competitive-Subsequence.md
index b0b30764..02292dd4 100644
--- a/website/content/ChapterFour/1600~1699/1673.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary.md b/website/content/ChapterFour/1600~1699/1674.Minimum-Moves-to-Make-Array-Complementary.md
index 31ade1f0..306c924e 100644
--- a/website/content/ChapterFour/1600~1699/1674.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md b/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
index 0027dd5b..a7cbeff6 100644
--- a/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
+++ b/website/content/ChapterFour/1600~1699/1678.Goal-Parser-Interpretation.md
@@ -75,6 +75,6 @@ func interpret(command string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md b/website/content/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md
index a573fadc..f95055aa 100644
--- a/website/content/ChapterFour/1600~1699/1679.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md b/website/content/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md
index 5fc06173..085376b2 100644
--- a/website/content/ChapterFour/1600~1699/1680.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md b/website/content/ChapterFour/1600~1699/1681.Minimum-Incompatibility.md
index ebc5c06a..e8a267e6 100644
--- a/website/content/ChapterFour/1600~1699/1681.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
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md b/website/content/ChapterFour/1600~1699/1684.Count-the-Number-of-Consistent-Strings.md
index 9cce9fd7..afe034b5 100644
--- a/website/content/ChapterFour/1600~1699/1684.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1685.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
index 690f9b1d..4ab16dc7 100644
--- a/website/content/ChapterFour/1600~1699/1685.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md b/website/content/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md
index fc73c685..e8a8c392 100644
--- a/website/content/ChapterFour/1600~1699/1688.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1689.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
index bb6b7c53..f3494ed4 100644
--- a/website/content/ChapterFour/1600~1699/1689.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1690.Stone-Game-VII.md b/website/content/ChapterFour/1600~1699/1690.Stone-Game-VII.md
index cdb41310..808f21e1 100644
--- a/website/content/ChapterFour/1600~1699/1690.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md b/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
index b878af68..f27cf352 100644
--- a/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
+++ b/website/content/ChapterFour/1600~1699/1694.Reformat-Phone-Number.md
@@ -137,6 +137,6 @@ func reformatNumber(number string) string {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md b/website/content/ChapterFour/1600~1699/1695.Maximum-Erasure-Value.md
index 890a6128..7ca5b884 100644
--- a/website/content/ChapterFour/1600~1699/1695.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 {
----------------------------------------------
diff --git a/website/content/ChapterFour/1600~1699/1696.Jump-Game-VI.md b/website/content/ChapterFour/1600~1699/1696.Jump-Game-VI.md
index 9186a0f5..2aefdf94 100644
--- a/website/content/ChapterFour/1600~1699/1696.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 {
----------------------------------------------
-⬅️上一页
+⬅️上一页
diff --git a/website/content/ChapterFour/_index.md b/website/content/ChapterFour/_index.md
index 7024aa8e..b3eaba6b 100644
--- a/website/content/ChapterFour/_index.md
+++ b/website/content/ChapterFour/_index.md
@@ -21,5 +21,5 @@ weight: 4
----------------------------------------------
diff --git a/website/content/ChapterTwo/Array.md b/website/content/ChapterTwo/Array.md
index f17e2dd8..43f3ded2 100644
--- a/website/content/ChapterTwo/Array.md
+++ b/website/content/ChapterTwo/Array.md
@@ -8,41 +8,41 @@ weight: 1
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0001|Two Sum|[Go]({{< relref "/ChapterFour/0000~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
-|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0000~0099/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.9%|
-|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0000~0099/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.3%|
-|0015|3Sum|[Go]({{< relref "/ChapterFour/0000~0099/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.8%|
-|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0000~0099/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0000~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.4%|
-|0027|Remove Element|[Go]({{< relref "/ChapterFour/0000~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
-|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.7%|
-|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.2%|
-|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0000~0099/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
-|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0000~0099/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0000~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
-|0041|First Missing Positive|[Go]({{< relref "/ChapterFour/0000~0099/0041.First-Missing-Positive.md" >}})|Hard| O(n)| O(n)||33.5%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0000~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.9%|
-|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0000~0099/0048.Rotate-Image.md" >}})|Medium| O(n)| O(1)||59.5%|
-|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0000~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
-|0054|Spiral Matrix|[Go]({{< relref "/ChapterFour/0000~0099/0054.Spiral-Matrix.md" >}})|Medium| O(n)| O(n^2)||35.6%|
-|0055|Jump Game|[Go]({{< relref "/ChapterFour/0000~0099/0055.Jump-Game.md" >}})|Medium||||35.1%|
-|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0000~0099/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(1)||40.8%|
-|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0000~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
-|0059|Spiral Matrix II|[Go]({{< relref "/ChapterFour/0000~0099/0059.Spiral-Matrix-II.md" >}})|Medium| O(n)| O(n^2)||57.5%|
-|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0000~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
-|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0000~0099/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
-|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0000~0099/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.0%|
-|0066|Plus One|[Go]({{< relref "/ChapterFour/0000~0099/0066.Plus-One.md" >}})|Easy||||42.4%|
-|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0000~0099/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.5%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0000~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0000~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
-|0079|Word Search|[Go]({{< relref "/ChapterFour/0000~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
-|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0000~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||45.9%|
-|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0000~0099/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
-|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0000~0099/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|36.9%|
-|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
-|0090|Subsets II|[Go]({{< relref "/ChapterFour/0000~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
+|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
+|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)|❤️|27.8%|
+|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)|❤️|34.7%|
+|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.4%|
+|0027|Remove Element|[Go]({{< relref "/ChapterFour/0001~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
+|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.7%|
+|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)||58.9%|
+|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0001~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
+|0041|First Missing Positive|[Go]({{< relref "/ChapterFour/0001~0099/0041.First-Missing-Positive.md" >}})|Hard| O(n)| O(n)||33.5%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.9%|
+|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0001~0099/0048.Rotate-Image.md" >}})|Medium| O(n)| O(1)||59.5%|
+|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0001~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
+|0054|Spiral Matrix|[Go]({{< relref "/ChapterFour/0001~0099/0054.Spiral-Matrix.md" >}})|Medium| O(n)| O(n^2)||35.6%|
+|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)||40.8%|
+|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0001~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
+|0059|Spiral Matrix II|[Go]({{< relref "/ChapterFour/0001~0099/0059.Spiral-Matrix-II.md" >}})|Medium| O(n)| O(n^2)||57.5%|
+|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
+|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)||56.0%|
+|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||||37.5%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
+|0079|Word Search|[Go]({{< relref "/ChapterFour/0001~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
+|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||45.9%|
+|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)|❤️|36.9%|
+|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
+|0090|Subsets II|[Go]({{< relref "/ChapterFour/0001~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
|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||||51.4%|
|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||||49.3%|
|0118|Pascal's Triangle|[Go]({{< relref "/ChapterFour/0100~0199/0118.Pascals-Triangle.md" >}})|Easy||||54.5%|
@@ -66,7 +66,7 @@ weight: 1
|0229|Majority Element II|[Go]({{< relref "/ChapterFour/0200~0299/0229.Majority-Element-II.md" >}})|Medium||||38.6%|
|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy||||53.5%|
|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)|❤️|57.2%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.3%|
|0414|Third Maximum Number|[Go]({{< relref "/ChapterFour/0400~0499/0414.Third-Maximum-Number.md" >}})|Easy||||30.6%|
|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%|
@@ -105,8 +105,8 @@ weight: 1
|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||||44.7%|
-|0999|Available Captures for Rook|[Go]({{< relref "/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md" >}})|Easy||||67.1%|
-|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.2%|
+|0999|Available Captures for Rook|[Go]({{< relref "/ChapterFour/0900~0999/0999.Available-Captures-for-Rook.md" >}})|Easy||||67.2%|
+|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.3%|
|1011|Capacity To Ship Packages Within D Days|[Go]({{< relref "/ChapterFour/1000~1099/1011.Capacity-To-Ship-Packages-Within-D-Days.md" >}})|Medium||||59.6%|
|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||||54.0%|
@@ -140,18 +140,18 @@ weight: 1
|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||||63.0%|
+|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||||63.1%|
|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||||77.1%|
|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||||89.5%|
|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||||55.2%|
-|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.5%|
-|1646|Get Maximum in Generated Array|[Go]({{< relref "/ChapterFour/1600~1699/1646.Get-Maximum-in-Generated-Array.md" >}})|Easy||||53.4%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.6%|
+|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||||63.5%|
|1656|Design an Ordered Stream|[Go]({{< relref "/ChapterFour/1600~1699/1656.Design-an-Ordered-Stream.md" >}})|Easy||||82.1%|
|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 0432b19b..972e2a7b 100644
--- a/website/content/ChapterTwo/Backtracking.md
+++ b/website/content/ChapterTwo/Backtracking.md
@@ -100,22 +100,22 @@ func updateMatrix_BFS(matrix [][]int) [][]int {
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0000~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.8%|
-|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0000~0099/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||64.9%|
-|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0000~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
-|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0000~0099/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||58.9%|
-|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0000~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
-|0046|Permutations|[Go]({{< relref "/ChapterFour/0000~0099/0046.Permutations.md" >}})|Medium| O(n)| O(n)|❤️|66.2%|
-|0047|Permutations II|[Go]({{< relref "/ChapterFour/0000~0099/0047.Permutations-II.md" >}})|Medium| O(n^2)| O(n)|❤️|49.1%|
-|0051|N-Queens|[Go]({{< relref "/ChapterFour/0000~0099/0051.N-Queens.md" >}})|Hard| O(n!)| O(n)|❤️|49.2%|
-|0052|N-Queens II|[Go]({{< relref "/ChapterFour/0000~0099/0052.N-Queens-II.md" >}})|Hard| O(n!)| O(n)|❤️|59.8%|
-|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0000~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.3%|
-|0077|Combinations|[Go]({{< relref "/ChapterFour/0000~0099/0077.Combinations.md" >}})|Medium| O(n)| O(n)|❤️|57.1%|
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0000~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
-|0079|Word Search|[Go]({{< relref "/ChapterFour/0000~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
-|0089|Gray Code|[Go]({{< relref "/ChapterFour/0000~0099/0089.Gray-Code.md" >}})|Medium| O(n)| O(1)||50.2%|
-|0090|Subsets II|[Go]({{< relref "/ChapterFour/0000~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
-|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0000~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
+|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)||48.8%|
+|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0001~0099/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||64.9%|
+|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0001~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
+|0039|Combination Sum|[Go]({{< relref "/ChapterFour/0001~0099/0039.Combination-Sum.md" >}})|Medium| O(n log n)| O(n)||58.9%|
+|0040|Combination Sum II|[Go]({{< relref "/ChapterFour/0001~0099/0040.Combination-Sum-II.md" >}})|Medium| O(n log n)| O(n)||49.9%|
+|0046|Permutations|[Go]({{< relref "/ChapterFour/0001~0099/0046.Permutations.md" >}})|Medium| O(n)| O(n)|❤️|66.2%|
+|0047|Permutations II|[Go]({{< relref "/ChapterFour/0001~0099/0047.Permutations-II.md" >}})|Medium| O(n^2)| O(n)|❤️|49.1%|
+|0051|N-Queens|[Go]({{< relref "/ChapterFour/0001~0099/0051.N-Queens.md" >}})|Hard| O(n!)| O(n)|❤️|49.2%|
+|0052|N-Queens II|[Go]({{< relref "/ChapterFour/0001~0099/0052.N-Queens-II.md" >}})|Hard| O(n!)| O(n)|❤️|59.8%|
+|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)|❤️|57.1%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
+|0079|Word Search|[Go]({{< relref "/ChapterFour/0001~0099/0079.Word-Search.md" >}})|Medium| O(n^2)| O(n^2)|❤️|36.6%|
+|0089|Gray Code|[Go]({{< relref "/ChapterFour/0001~0099/0089.Gray-Code.md" >}})|Medium| O(n)| O(1)||50.2%|
+|0090|Subsets II|[Go]({{< relref "/ChapterFour/0001~0099/0090.Subsets-II.md" >}})|Medium| O(n^2)| O(n)|❤️|48.6%|
+|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md" >}})|Medium| O(n)| O(n^2)|❤️|51.5%|
|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)|❤️|39.9%|
diff --git a/website/content/ChapterTwo/Binary_Search.md b/website/content/ChapterTwo/Binary_Search.md
index bdcc6a5d..0f9eb06e 100644
--- a/website/content/ChapterTwo/Binary_Search.md
+++ b/website/content/ChapterTwo/Binary_Search.md
@@ -131,15 +131,15 @@ func peakIndexInMountainArray(A []int) int {
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0004|Median of Two Sorted Arrays|[Go]({{< relref "/ChapterFour/0000~0099/0004.Median-of-Two-Sorted-Arrays.md" >}})|Hard||||30.9%|
-|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0000~0099/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
-|0033|Search in Rotated Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0033.Search-in-Rotated-Sorted-Array.md" >}})|Medium||||35.7%|
-|0034|Find First and Last Position of Element in Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array.md" >}})|Medium||||37.2%|
-|0035|Search Insert Position|[Go]({{< relref "/ChapterFour/0000~0099/0035.Search-Insert-Position.md" >}})|Easy||||42.8%|
-|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0000~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.8%|
-|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0000~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
-|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0000~0099/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.5%|
-|0081|Search in Rotated Sorted Array II|[Go]({{< relref "/ChapterFour/0000~0099/0081.Search-in-Rotated-Sorted-Array-II.md" >}})|Medium||||33.5%|
+|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||||35.7%|
+|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)||30.8%|
+|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
+|0074|Search a 2D Matrix|[Go]({{< relref "/ChapterFour/0001~0099/0074.Search-a-2D-Matrix.md" >}})|Medium||||37.5%|
+|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%|
@@ -150,7 +150,7 @@ func peakIndexInMountainArray(A []int) int {
|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)||62.3%|
|0240|Search a 2D Matrix II|[Go]({{< relref "/ChapterFour/0200~0299/0240.Search-a-2D-Matrix-II.md" >}})|Medium||||44.2%|
|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)|❤️|57.2%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.3%|
|0300|Longest Increasing Subsequence|[Go]({{< relref "/ChapterFour/0300~0399/0300.Longest-Increasing-Subsequence.md" >}})|Medium| O(n log n)| O(n)||43.7%|
|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||||35.9%|
diff --git a/website/content/ChapterTwo/Bit_Manipulation.md b/website/content/ChapterTwo/Bit_Manipulation.md
index 3d0f6000..fa96f115 100644
--- a/website/content/ChapterTwo/Bit_Manipulation.md
+++ b/website/content/ChapterTwo/Bit_Manipulation.md
@@ -44,7 +44,7 @@ X & ~X = 0
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0078|Subsets|[Go]({{< relref "/ChapterFour/0000~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
+|0078|Subsets|[Go]({{< relref "/ChapterFour/0001~0099/0078.Subsets.md" >}})|Medium| O(n^2)| O(n)|❤️|64.7%|
|0136|Single Number|[Go]({{< relref "/ChapterFour/0100~0199/0136.Single-Number.md" >}})|Easy| O(n)| O(1)||66.4%|
|0137|Single Number II|[Go]({{< relref "/ChapterFour/0100~0199/0137.Single-Number-II.md" >}})|Medium| O(n)| O(1)|❤️|53.6%|
|0169|Majority Element|[Go]({{< relref "/ChapterFour/0100~0199/0169.Majority-Element.md" >}})|Easy| O(n)| O(1)|❤️|59.9%|
@@ -73,7 +73,7 @@ X & ~X = 0
|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)||64.2%|
|0784|Letter Case Permutation|[Go]({{< relref "/ChapterFour/0700~0799/0784.Letter-Case-Permutation.md" >}})|Medium| O(n)| O(1)||66.3%|
|0898|Bitwise ORs of Subarrays|[Go]({{< relref "/ChapterFour/0800~0899/0898.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/1200~1299/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer.md" >}})|Easy||||81.6%|
+|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%|
|------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
diff --git a/website/content/ChapterTwo/Breadth_First_Search.md b/website/content/ChapterTwo/Breadth_First_Search.md
index 59ae3797..0b9b1ed4 100644
--- a/website/content/ChapterTwo/Breadth_First_Search.md
+++ b/website/content/ChapterTwo/Breadth_First_Search.md
@@ -28,7 +28,7 @@ weight: 10
|0785|Is Graph Bipartite?|[Go]({{< relref "/ChapterFour/0700~0799/0785.Is-Graph-Bipartite.md" >}})|Medium||||48.2%|
|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||||57.6%|
-|0864|Shortest Path to Get All Keys|[Go]({{< relref "/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md" >}})|Hard||||41.7%|
+|0864|Shortest Path to Get All Keys|[Go]({{< relref "/ChapterFour/0800~0899/0864.Shortest-Path-to-Get-All-Keys.md" >}})|Hard||||41.6%|
|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||||55.1%|
diff --git a/website/content/ChapterTwo/Depth_First_Search.md b/website/content/ChapterTwo/Depth_First_Search.md
index 25ec3a17..f9c22532 100644
--- a/website/content/ChapterTwo/Depth_First_Search.md
+++ b/website/content/ChapterTwo/Depth_First_Search.md
@@ -9,9 +9,9 @@ weight: 9
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0000~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium||||48.8%|
-|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0000~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
-|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0000~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
+|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0001~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium||||48.8%|
+|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
+|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100~0199/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.0%|
|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0100~0199/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||47.9%|
|0104|Maximum Depth of Binary Tree|[Go]({{< relref "/ChapterFour/0100~0199/0104.Maximum-Depth-of-Binary-Tree.md" >}})|Easy| O(n)| O(1)||67.8%|
diff --git a/website/content/ChapterTwo/Dynamic_Programming.md b/website/content/ChapterTwo/Dynamic_Programming.md
index ac3abc3f..b1b159df 100644
--- a/website/content/ChapterTwo/Dynamic_Programming.md
+++ b/website/content/ChapterTwo/Dynamic_Programming.md
@@ -9,15 +9,15 @@ weight: 7
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0000~0099/0042.Trapping-Rain-Water.md" >}})|Hard||||50.9%|
-|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0000~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
-|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0000~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
-|0063|Unique Paths II|[Go]({{< relref "/ChapterFour/0000~0099/0063.Unique-Paths-II.md" >}})|Medium| O(n^2)| O(n^2)||35.2%|
-|0064|Minimum Path Sum|[Go]({{< relref "/ChapterFour/0000~0099/0064.Minimum-Path-Sum.md" >}})|Medium| O(n^2)| O(n^2)||56.0%|
-|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0000~0099/0070.Climbing-Stairs.md" >}})|Easy| O(n)| O(n)||48.5%|
-|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0000~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
-|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0000~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
-|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0000~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n)| O(n)||54.2%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard||||50.9%|
+|0053|Maximum Subarray|[Go]({{< relref "/ChapterFour/0001~0099/0053.Maximum-Subarray.md" >}})|Easy| O(n)| O(n)||47.6%|
+|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium| O(n^2)| O(n^2)||55.7%|
+|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)||56.0%|
+|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0001~0099/0070.Climbing-Stairs.md" >}})|Easy| O(n)| O(n)||48.5%|
+|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0001~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
+|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
+|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n)| O(n)||54.2%|
|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)||51.4%|
|0131|Palindrome Partitioning|[Go]({{< relref "/ChapterFour/0100~0199/0131.Palindrome-Partitioning.md" >}})|Medium||||51.5%|
@@ -59,8 +59,8 @@ weight: 7
|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||||40.4%|
|1659|Maximize Grid Happiness|[Go]({{< relref "/ChapterFour/1600~1699/1659.Maximize-Grid-Happiness.md" >}})|Hard||||35.3%|
-|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||||47.1%|
+|1664|Ways to Make a Fair Array|[Go]({{< relref "/ChapterFour/1600~1699/1664.Ways-to-Make-a-Fair-Array.md" >}})|Medium||||60.7%|
+|1690|Stone Game VII|[Go]({{< relref "/ChapterFour/1600~1699/1690.Stone-Game-VII.md" >}})|Medium||||47.2%|
|------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
diff --git a/website/content/ChapterTwo/Hash_Table.md b/website/content/ChapterTwo/Hash_Table.md
index dac9780a..2567b01e 100644
--- a/website/content/ChapterTwo/Hash_Table.md
+++ b/website/content/ChapterTwo/Hash_Table.md
@@ -9,15 +9,15 @@ weight: 13
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0001|Two Sum|[Go]({{< relref "/ChapterFour/0000~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0000~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0000~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0000~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0036|Valid Sudoku|[Go]({{< relref "/ChapterFour/0000~0099/0036.Valid-Sudoku.md" >}})|Medium| O(n^2)| O(n^2)||50.3%|
-|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0000~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
-|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0000~0099/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||59.0%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0000~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0000~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
+|0001|Two Sum|[Go]({{< relref "/ChapterFour/0001~0099/0001.Two-Sum.md" >}})|Easy| O(n)| O(n)||46.3%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
+|0018|4Sum|[Go]({{< relref "/ChapterFour/0001~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
+|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)||50.3%|
+|0037|Sudoku Solver|[Go]({{< relref "/ChapterFour/0001~0099/0037.Sudoku-Solver.md" >}})|Hard| O(n^2)| O(n^2)|❤️|46.1%|
+|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0001~0099/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||59.0%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
|0136|Single Number|[Go]({{< relref "/ChapterFour/0100~0199/0136.Single-Number.md" >}})|Easy||||66.4%|
|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0100~0199/0138.Copy-List-with-Random-Pointer.md" >}})|Medium| O(n)| O(1)||39.7%|
|0187|Repeated DNA Sequences|[Go]({{< relref "/ChapterFour/0100~0199/0187.Repeated-DNA-Sequences.md" >}})|Medium||||41.3%|
@@ -68,14 +68,14 @@ weight: 13
|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0900~0999/0970.Powerful-Integers.md" >}})|Easy||||39.9%|
|0981|Time Based Key-Value Store|[Go]({{< relref "/ChapterFour/0900~0999/0981.Time-Based-Key-Value-Store.md" >}})|Medium||||54.0%|
|0992|Subarrays with K Different Integers|[Go]({{< relref "/ChapterFour/0900~0999/0992.Subarrays-with-K-Different-Integers.md" >}})|Hard| O(n)| O(n) |❤️|50.5%|
-|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.2%|
+|1002|Find Common Characters|[Go]({{< relref "/ChapterFour/1000~1099/1002.Find-Common-Characters.md" >}})|Easy||||68.3%|
|1078|Occurrences After Bigram|[Go]({{< relref "/ChapterFour/1000~1099/1078.Occurrences-After-Bigram.md" >}})|Easy||||64.8%|
|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||||67.6%|
|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||||71.6%|
|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||||55.2%|
-|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.5%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.6%|
|1679|Max Number of K-Sum Pairs|[Go]({{< relref "/ChapterFour/1600~1699/1679.Max-Number-of-K-Sum-Pairs.md" >}})|Medium||||54.3%|
|------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|
diff --git a/website/content/ChapterTwo/Linked_List.md b/website/content/ChapterTwo/Linked_List.md
index 3a08f5e4..82c55d2a 100644
--- a/website/content/ChapterTwo/Linked_List.md
+++ b/website/content/ChapterTwo/Linked_List.md
@@ -23,17 +23,17 @@ weight: 4
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0000~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
-|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0000~0099/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.7%|
-|0021|Merge Two Sorted Lists|[Go]({{< relref "/ChapterFour/0000~0099/0021.Merge-Two-Sorted-Lists.md" >}})|Easy| O(log n)| O(1)||55.7%|
-|0023|Merge k Sorted Lists|[Go]({{< relref "/ChapterFour/0000~0099/0023.Merge-k-Sorted-Lists.md" >}})|Hard| O(log n)| O(1)|❤️|42.4%|
-|0024|Swap Nodes in Pairs|[Go]({{< relref "/ChapterFour/0000~0099/0024.Swap-Nodes-in-Pairs.md" >}})|Medium| O(n)| O(1)||52.8%|
-|0025|Reverse Nodes in k-Group|[Go]({{< relref "/ChapterFour/0000~0099/0025.Reverse-Nodes-in-k-Group.md" >}})|Hard| O(log n)| O(1)|❤️|44.4%|
-|0061|Rotate List|[Go]({{< relref "/ChapterFour/0000~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
-|0082|Remove Duplicates from Sorted List II|[Go]({{< relref "/ChapterFour/0000~0099/0082.Remove-Duplicates-from-Sorted-List-II.md" >}})|Medium| O(n)| O(1)||39.0%|
-|0083|Remove Duplicates from Sorted List|[Go]({{< relref "/ChapterFour/0000~0099/0083.Remove-Duplicates-from-Sorted-List.md" >}})|Easy| O(n)| O(1)||46.3%|
-|0086|Partition List|[Go]({{< relref "/ChapterFour/0000~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
-|0092|Reverse Linked List II|[Go]({{< relref "/ChapterFour/0000~0099/0092.Reverse-Linked-List-II.md" >}})|Medium| O(n)| O(1)|❤️|40.3%|
+|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
+|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)||55.7%|
+|0023|Merge k Sorted Lists|[Go]({{< relref "/ChapterFour/0001~0099/0023.Merge-k-Sorted-Lists.md" >}})|Hard| O(log n)| O(1)|❤️|42.4%|
+|0024|Swap Nodes in Pairs|[Go]({{< relref "/ChapterFour/0001~0099/0024.Swap-Nodes-in-Pairs.md" >}})|Medium| O(n)| O(1)||52.8%|
+|0025|Reverse Nodes in k-Group|[Go]({{< relref "/ChapterFour/0001~0099/0025.Reverse-Nodes-in-k-Group.md" >}})|Hard| O(log n)| O(1)|❤️|44.4%|
+|0061|Rotate List|[Go]({{< relref "/ChapterFour/0001~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
+|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)||39.0%|
+|0083|Remove Duplicates from Sorted List|[Go]({{< relref "/ChapterFour/0001~0099/0083.Remove-Duplicates-from-Sorted-List.md" >}})|Easy| O(n)| O(1)||46.3%|
+|0086|Partition List|[Go]({{< relref "/ChapterFour/0001~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
+|0092|Reverse Linked List II|[Go]({{< relref "/ChapterFour/0001~0099/0092.Reverse-Linked-List-II.md" >}})|Medium| O(n)| O(1)|❤️|40.3%|
|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)||49.9%|
|0138|Copy List with Random Pointer|[Go]({{< relref "/ChapterFour/0100~0199/0138.Copy-List-with-Random-Pointer.md" >}})|Medium||||39.7%|
|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0100~0199/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.3%|
@@ -54,9 +54,9 @@ weight: 4
|0876|Middle of the Linked List|[Go]({{< relref "/ChapterFour/0800~0899/0876.Middle-of-the-Linked-List.md" >}})|Easy| O(n)| O(1)|❤️|68.9%|
|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||||41.4%|
-|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||||81.6%|
+|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||||77.9%|
-|1670|Design Front Middle Back Queue|[Go]({{< relref "/ChapterFour/1600~1699/1670.Design-Front-Middle-Back-Queue.md" >}})|Medium||||54.7%|
+|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 cb1d1659..bfd2af90 100644
--- a/website/content/ChapterTwo/Math.md
+++ b/website/content/ChapterTwo/Math.md
@@ -9,15 +9,15 @@ weight: 12
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0000~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
-|0007|Reverse Integer|[Go]({{< relref "/ChapterFour/0000~0099/0007.Reverse-Integer.md" >}})|Easy||||25.9%|
-|0009|Palindrome Number|[Go]({{< relref "/ChapterFour/0000~0099/0009.Palindrome-Number.md" >}})|Easy||||49.5%|
-|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0000~0099/0013.Roman-to-Integer.md" >}})|Easy||||56.4%|
-|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0000~0099/0029.Divide-Two-Integers.md" >}})|Medium||||16.6%|
-|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0000~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||30.8%|
-|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0000~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||39.3%|
-|0067|Add Binary|[Go]({{< relref "/ChapterFour/0000~0099/0067.Add-Binary.md" >}})|Easy||||46.7%|
-|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0000~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
+|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||35.2%|
+|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||||56.4%|
+|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)||30.8%|
+|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||||46.7%|
+|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||34.9%|
|0168|Excel Sheet Column Title|[Go]({{< relref "/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md" >}})|Easy||||31.6%|
|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||||38.4%|
diff --git a/website/content/ChapterTwo/Sliding_Window.md b/website/content/ChapterTwo/Sliding_Window.md
index 21bb67b2..2220b83f 100644
--- a/website/content/ChapterTwo/Sliding_Window.md
+++ b/website/content/ChapterTwo/Sliding_Window.md
@@ -29,8 +29,8 @@ weight: 17
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0000~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0000~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
|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)|❤️|38.5%|
diff --git a/website/content/ChapterTwo/Sort.md b/website/content/ChapterTwo/Sort.md
index 22bee78f..b282a217 100644
--- a/website/content/ChapterTwo/Sort.md
+++ b/website/content/ChapterTwo/Sort.md
@@ -18,9 +18,9 @@ weight: 14
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0000~0099/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(log n)||40.8%|
-|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0000~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0000~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
+|0056|Merge Intervals|[Go]({{< relref "/ChapterFour/0001~0099/0056.Merge-Intervals.md" >}})|Medium| O(n log n)| O(log n)||40.8%|
+|0057|Insert Interval|[Go]({{< relref "/ChapterFour/0001~0099/0057.Insert-Interval.md" >}})|Medium| O(n)| O(1)||34.9%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
|0147|Insertion Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0147.Insertion-Sort-List.md" >}})|Medium| O(n)| O(1) |❤️|44.2%|
|0148|Sort List|[Go]({{< relref "/ChapterFour/0100~0199/0148.Sort-List.md" >}})|Medium|O(n log n)| O(log n)|❤️|46.0%|
|0164|Maximum Gap|[Go]({{< relref "/ChapterFour/0100~0199/0164.Maximum-Gap.md" >}})|Hard| O(n log n)| O(log n) |❤️|36.7%|
@@ -43,12 +43,12 @@ weight: 14
|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) ||64.5%|
|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%|
+|1054|Distant Barcodes|[Go]({{< relref "/ChapterFour/1000~1099/1054.Distant-Barcodes.md" >}})|Medium| O(n log n)| O(log n) |❤️|44.3%|
|1122|Relative Sort Array|[Go]({{< relref "/ChapterFour/1100~1199/1122.Relative-Sort-Array.md" >}})|Easy||||67.9%|
|1235|Maximum Profit in Job Scheduling|[Go]({{< relref "/ChapterFour/1200~1299/1235.Maximum-Profit-in-Job-Scheduling.md" >}})|Hard||||47.1%|
|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||||60.5%|
+|1640|Check Array Formation Through Concatenation|[Go]({{< relref "/ChapterFour/1600~1699/1640.Check-Array-Formation-Through-Concatenation.md" >}})|Easy||||60.6%|
|1647|Minimum Deletions to Make Character Frequencies Unique|[Go]({{< relref "/ChapterFour/1600~1699/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique.md" >}})|Medium||||53.9%|
|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 6e8dc4b6..e7df5f7a 100644
--- a/website/content/ChapterTwo/Stack.md
+++ b/website/content/ChapterTwo/Stack.md
@@ -17,11 +17,11 @@ weight: 5
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0000~0099/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0000~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.9%|
-|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0000~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)|❤️|33.6%|
-|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0000~0099/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|36.9%|
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0000~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
+|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)|❤️|50.9%|
+|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0001~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)|❤️|33.7%|
+|0084|Largest Rectangle in Histogram|[Go]({{< relref "/ChapterFour/0001~0099/0084.Largest-Rectangle-in-Histogram.md" >}})|Hard| O(n)| O(n)|❤️|36.9%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
|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)||49.9%|
|0144|Binary Tree Preorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0144.Binary-Tree-Preorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
|0145|Binary Tree Postorder Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0145.Binary-Tree-Postorder-Traversal.md" >}})|Medium| O(n)| O(1)||57.2%|
diff --git a/website/content/ChapterTwo/String.md b/website/content/ChapterTwo/String.md
index 89fded64..8b98bfa6 100644
--- a/website/content/ChapterTwo/String.md
+++ b/website/content/ChapterTwo/String.md
@@ -9,19 +9,19 @@ weight: 2
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0000~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0000~0099/0013.Roman-to-Integer.md" >}})|Easy||||56.4%|
-|0017|Letter Combinations of a Phone Number|[Go]({{< relref "/ChapterFour/0000~0099/0017.Letter-Combinations-of-a-Phone-Number.md" >}})|Medium| O(log n)| O(1)||48.8%|
-|0020|Valid Parentheses|[Go]({{< relref "/ChapterFour/0000~0099/0020.Valid-Parentheses.md" >}})|Easy| O(log n)| O(1)||39.8%|
-|0022|Generate Parentheses|[Go]({{< relref "/ChapterFour/0000~0099/0022.Generate-Parentheses.md" >}})|Medium| O(log n)| O(1)||64.9%|
-|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0000~0099/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0000~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0049|Group Anagrams|[Go]({{< relref "/ChapterFour/0000~0099/0049.Group-Anagrams.md" >}})|Medium| O(n log n)| O(n)||59.0%|
-|0067|Add Binary|[Go]({{< relref "/ChapterFour/0000~0099/0067.Add-Binary.md" >}})|Easy||||46.7%|
-|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0000~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)||33.6%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0000~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0000~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
-|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0000~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
+|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0001~0099/0013.Roman-to-Integer.md" >}})|Easy||||56.4%|
+|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)||48.8%|
+|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)||64.9%|
+|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)||59.0%|
+|0067|Add Binary|[Go]({{< relref "/ChapterFour/0001~0099/0067.Add-Binary.md" >}})|Easy||||46.7%|
+|0071|Simplify Path|[Go]({{< relref "/ChapterFour/0001~0099/0071.Simplify-Path.md" >}})|Medium| O(n)| O(n)||33.7%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
+|0091|Decode Ways|[Go]({{< relref "/ChapterFour/0001~0099/0091.Decode-Ways.md" >}})|Medium| O(n)| O(n)||26.3%|
+|0093|Restore IP Addresses|[Go]({{< relref "/ChapterFour/0001~0099/0093.Restore-IP-Addresses.md" >}})|Medium| O(n)| O(n)|❤️|37.3%|
|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0100~0199/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.0%|
|0126|Word Ladder II|[Go]({{< relref "/ChapterFour/0100~0199/0126.Word-Ladder-II.md" >}})|Hard| O(n)| O(n^2)|❤️|23.5%|
|0151|Reverse Words in a String|[Go]({{< relref "/ChapterFour/0100~0199/0151.Reverse-Words-in-a-String.md" >}})|Medium||||23.4%|
diff --git a/website/content/ChapterTwo/Tree.md b/website/content/ChapterTwo/Tree.md
index fe4a31be..9688bc02 100644
--- a/website/content/ChapterTwo/Tree.md
+++ b/website/content/ChapterTwo/Tree.md
@@ -9,11 +9,11 @@ weight: 6
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0000~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
-|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0000~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
-|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0000~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n^2)| O(n)||54.2%|
-|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0000~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
-|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0000~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
+|0094|Binary Tree Inorder Traversal|[Go]({{< relref "/ChapterFour/0001~0099/0094.Binary-Tree-Inorder-Traversal.md" >}})|Medium| O(n)| O(1)||65.5%|
+|0095|Unique Binary Search Trees II|[Go]({{< relref "/ChapterFour/0001~0099/0095.Unique-Binary-Search-Trees-II.md" >}})|Medium||||42.2%|
+|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium| O(n^2)| O(n)||54.2%|
+|0098|Validate Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0098.Validate-Binary-Search-Tree.md" >}})|Medium| O(n)| O(1)||28.6%|
+|0099|Recover Binary Search Tree|[Go]({{< relref "/ChapterFour/0001~0099/0099.Recover-Binary-Search-Tree.md" >}})|Hard| O(n)| O(1)||42.2%|
|0100|Same Tree|[Go]({{< relref "/ChapterFour/0100~0199/0100.Same-Tree.md" >}})|Easy| O(n)| O(1)||54.0%|
|0101|Symmetric Tree|[Go]({{< relref "/ChapterFour/0100~0199/0101.Symmetric-Tree.md" >}})|Easy| O(n)| O(1)||47.9%|
|0102|Binary Tree Level Order Traversal|[Go]({{< relref "/ChapterFour/0100~0199/0102.Binary-Tree-Level-Order-Traversal.md" >}})|Medium| O(n)| O(1)||56.3%|
diff --git a/website/content/ChapterTwo/Two_Pointers.md b/website/content/ChapterTwo/Two_Pointers.md
index 78d9e892..d4a24d7b 100644
--- a/website/content/ChapterTwo/Two_Pointers.md
+++ b/website/content/ChapterTwo/Two_Pointers.md
@@ -32,23 +32,23 @@ weight: 3
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
-|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0000~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
-|0011|Container With Most Water|[Go]({{< relref "/ChapterFour/0000~0099/0011.Container-With-Most-Water.md" >}})|Medium| O(n)| O(1)||52.3%|
-|0015|3Sum|[Go]({{< relref "/ChapterFour/0000~0099/0015.3Sum.md" >}})|Medium| O(n^2)| O(n)|❤️|27.8%|
-|0016|3Sum Closest|[Go]({{< relref "/ChapterFour/0000~0099/0016.3Sum-Closest.md" >}})|Medium| O(n^2)| O(1)|❤️|46.3%|
-|0018|4Sum|[Go]({{< relref "/ChapterFour/0000~0099/0018.4Sum.md" >}})|Medium| O(n^3)| O(n^2)|❤️|34.7%|
-|0019|Remove Nth Node From End of List|[Go]({{< relref "/ChapterFour/0000~0099/0019.Remove-Nth-Node-From-End-of-List.md" >}})|Medium| O(n)| O(1)||35.7%|
-|0026|Remove Duplicates from Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0026.Remove-Duplicates-from-Sorted-Array.md" >}})|Easy| O(n)| O(1)||46.4%|
-|0027|Remove Element|[Go]({{< relref "/ChapterFour/0000~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
-|0028|Implement strStr()|[Go]({{< relref "/ChapterFour/0000~0099/0028.Implement-strStr.md" >}})|Easy| O(n)| O(1)||35.1%|
-|0030|Substring with Concatenation of All Words|[Go]({{< relref "/ChapterFour/0000~0099/0030.Substring-with-Concatenation-of-All-Words.md" >}})|Hard| O(n)| O(n)|❤️|26.1%|
-|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0000~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.9%|
-|0061|Rotate List|[Go]({{< relref "/ChapterFour/0000~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
-|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0000~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
-|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0000~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
-|0080|Remove Duplicates from Sorted Array II|[Go]({{< relref "/ChapterFour/0000~0099/0080.Remove-Duplicates-from-Sorted-Array-II.md" >}})|Medium| O(n)| O(1||45.9%|
-|0086|Partition List|[Go]({{< relref "/ChapterFour/0000~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
-|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0000~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
+|0003|Longest Substring Without Repeating Characters|[Go]({{< relref "/ChapterFour/0001~0099/0003.Longest-Substring-Without-Repeating-Characters.md" >}})|Medium| O(n)| O(1)|❤️|31.3%|
+|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)|❤️|27.8%|
+|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)|❤️|34.7%|
+|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)||46.4%|
+|0027|Remove Element|[Go]({{< relref "/ChapterFour/0001~0099/0027.Remove-Element.md" >}})|Easy| O(n)| O(1)||49.1%|
+|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%|
+|0042|Trapping Rain Water|[Go]({{< relref "/ChapterFour/0001~0099/0042.Trapping-Rain-Water.md" >}})|Hard| O(n)| O(1)|❤️|50.9%|
+|0061|Rotate List|[Go]({{< relref "/ChapterFour/0001~0099/0061.Rotate-List.md" >}})|Medium| O(n)| O(1)||31.6%|
+|0075|Sort Colors|[Go]({{< relref "/ChapterFour/0001~0099/0075.Sort-Colors.md" >}})|Medium| O(n)| O(1)|❤️|49.1%|
+|0076|Minimum Window Substring|[Go]({{< relref "/ChapterFour/0001~0099/0076.Minimum-Window-Substring.md" >}})|Hard| O(n)| O(n)|❤️|35.8%|
+|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||45.9%|
+|0086|Partition List|[Go]({{< relref "/ChapterFour/0001~0099/0086.Partition-List.md" >}})|Medium| O(n)| O(1)|❤️|43.1%|
+|0088|Merge Sorted Array|[Go]({{< relref "/ChapterFour/0001~0099/0088.Merge-Sorted-Array.md" >}})|Easy| O(n)| O(1)|❤️|40.6%|
|0125|Valid Palindrome|[Go]({{< relref "/ChapterFour/0100~0199/0125.Valid-Palindrome.md" >}})|Easy| O(n)| O(1)||38.0%|
|0141|Linked List Cycle|[Go]({{< relref "/ChapterFour/0100~0199/0141.Linked-List-Cycle.md" >}})|Easy| O(n)| O(1)|❤️|42.3%|
|0142|Linked List Cycle II|[Go]({{< relref "/ChapterFour/0100~0199/0142.Linked-List-Cycle-II.md" >}})|Medium| O(n)| O(1)|❤️|39.4%|
@@ -56,7 +56,7 @@ weight: 3
|0209|Minimum Size Subarray Sum|[Go]({{< relref "/ChapterFour/0200~0299/0209.Minimum-Size-Subarray-Sum.md" >}})|Medium| O(n)| O(1)||39.2%|
|0234|Palindrome Linked List|[Go]({{< relref "/ChapterFour/0200~0299/0234.Palindrome-Linked-List.md" >}})|Easy| O(n)| O(1)||40.3%|
|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)|❤️|57.2%|
+|0287|Find the Duplicate Number|[Go]({{< relref "/ChapterFour/0200~0299/0287.Find-the-Duplicate-Number.md" >}})|Medium| O(n)| O(1)|❤️|57.3%|
|0344|Reverse String|[Go]({{< relref "/ChapterFour/0300~0399/0344.Reverse-String.md" >}})|Easy| O(n)| O(1)||70.1%|
|0345|Reverse Vowels of a String|[Go]({{< relref "/ChapterFour/0300~0399/0345.Reverse-Vowels-of-a-String.md" >}})|Easy| O(n)| O(1)||44.9%|
|0349|Intersection of Two Arrays|[Go]({{< relref "/ChapterFour/0300~0399/0349.Intersection-of-Two-Arrays.md" >}})|Easy| O(n)| O(n) ||64.5%|
@@ -70,7 +70,7 @@ weight: 3
|0713|Subarray Product Less Than K|[Go]({{< relref "/ChapterFour/0700~0799/0713.Subarray-Product-Less-Than-K.md" >}})|Medium| O(n)| O(1)||40.4%|
|0763|Partition Labels|[Go]({{< relref "/ChapterFour/0700~0799/0763.Partition-Labels.md" >}})|Medium| O(n)| O(1)|❤️|77.9%|
|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%|
+|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)|❤️|46.7%|
|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) ||46.8%|
|0845|Longest Mountain in Array|[Go]({{< relref "/ChapterFour/0800~0899/0845.Longest-Mountain-in-Array.md" >}})|Medium| O(n)| O(1) ||38.5%|
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
----
-
-
-
-- [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 b16cb5fd..fca253c6 100644
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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 516b75fc..1f6f11eb 100644
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+++ b/website/resources/_gen/assets/scss/leetcode/book.scss_50fc8c04e12a2f59027287995557ceff.json
@@ -1 +1 @@
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