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@ -9,142 +9,142 @@ weight: 12
| No. | Title | Solution | Difficulty | TimeComplexity | SpaceComplexity |Favorite| Acceptance |
|:--------:|:------- | :--------: | :----------: | :----: | :-----: | :-----: |:-----: |
|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||38.0%|
|0007|Reverse Integer|[Go]({{< relref "/ChapterFour/0001~0099/0007.Reverse-Integer.md" >}})|Medium||||26.5%|
|0009|Palindrome Number|[Go]({{< relref "/ChapterFour/0001~0099/0009.Palindrome-Number.md" >}})|Easy||||52.2%|
|0012|Integer to Roman|[Go]({{< relref "/ChapterFour/0001~0099/0012.Integer-to-Roman.md" >}})|Medium||||59.1%|
|0002|Add Two Numbers|[Go]({{< relref "/ChapterFour/0001~0099/0002.Add-Two-Numbers.md" >}})|Medium| O(n)| O(1)||38.4%|
|0007|Reverse Integer|[Go]({{< relref "/ChapterFour/0001~0099/0007.Reverse-Integer.md" >}})|Medium||||26.6%|
|0009|Palindrome Number|[Go]({{< relref "/ChapterFour/0001~0099/0009.Palindrome-Number.md" >}})|Easy||||52.3%|
|0012|Integer to Roman|[Go]({{< relref "/ChapterFour/0001~0099/0012.Integer-to-Roman.md" >}})|Medium||||59.3%|
|0013|Roman to Integer|[Go]({{< relref "/ChapterFour/0001~0099/0013.Roman-to-Integer.md" >}})|Easy||||57.9%|
|0029|Divide Two Integers|[Go]({{< relref "/ChapterFour/0001~0099/0029.Divide-Two-Integers.md" >}})|Medium||||17.0%|
|0043|Multiply Strings|[Go]({{< relref "/ChapterFour/0001~0099/0043.Multiply-Strings.md" >}})|Medium||||37.4%|
|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0001~0099/0048.Rotate-Image.md" >}})|Medium||||65.8%|
|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0001~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||32.1%|
|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0001~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||41.7%|
|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium||||59.6%|
|0066|Plus One|[Go]({{< relref "/ChapterFour/0001~0099/0066.Plus-One.md" >}})|Easy||||42.6%|
|0067|Add Binary|[Go]({{< relref "/ChapterFour/0001~0099/0067.Add-Binary.md" >}})|Easy||||50.1%|
|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||36.3%|
|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0001~0099/0070.Climbing-Stairs.md" >}})|Easy||||50.8%|
|0089|Gray Code|[Go]({{< relref "/ChapterFour/0001~0099/0089.Gray-Code.md" >}})|Medium||||54.9%|
|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium||||58.0%|
|0150|Evaluate Reverse Polish Notation|[Go]({{< relref "/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md" >}})|Medium||||41.8%|
|0168|Excel Sheet Column Title|[Go]({{< relref "/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md" >}})|Easy||||33.7%|
|0171|Excel Sheet Column Number|[Go]({{< relref "/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md" >}})|Easy||||60.4%|
|0172|Factorial Trailing Zeroes|[Go]({{< relref "/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md" >}})|Medium||||40.5%|
|0189|Rotate Array|[Go]({{< relref "/ChapterFour/0100~0199/0189.Rotate-Array.md" >}})|Medium||||38.4%|
|0202|Happy Number|[Go]({{< relref "/ChapterFour/0200~0299/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||52.9%|
|0043|Multiply Strings|[Go]({{< relref "/ChapterFour/0001~0099/0043.Multiply-Strings.md" >}})|Medium||||37.6%|
|0048|Rotate Image|[Go]({{< relref "/ChapterFour/0001~0099/0048.Rotate-Image.md" >}})|Medium||||66.2%|
|0050|Pow(x, n)|[Go]({{< relref "/ChapterFour/0001~0099/0050.Powx-n.md" >}})|Medium| O(log n)| O(1)||32.3%|
|0060|Permutation Sequence|[Go]({{< relref "/ChapterFour/0001~0099/0060.Permutation-Sequence.md" >}})|Hard| O(n log n)| O(1)||41.9%|
|0062|Unique Paths|[Go]({{< relref "/ChapterFour/0001~0099/0062.Unique-Paths.md" >}})|Medium||||59.8%|
|0066|Plus One|[Go]({{< relref "/ChapterFour/0001~0099/0066.Plus-One.md" >}})|Easy||||42.7%|
|0067|Add Binary|[Go]({{< relref "/ChapterFour/0001~0099/0067.Add-Binary.md" >}})|Easy||||50.3%|
|0069|Sqrt(x)|[Go]({{< relref "/ChapterFour/0001~0099/0069.Sqrtx.md" >}})|Easy| O(log n)| O(1)||36.4%|
|0070|Climbing Stairs|[Go]({{< relref "/ChapterFour/0001~0099/0070.Climbing-Stairs.md" >}})|Easy||||50.9%|
|0089|Gray Code|[Go]({{< relref "/ChapterFour/0001~0099/0089.Gray-Code.md" >}})|Medium||||55.1%|
|0096|Unique Binary Search Trees|[Go]({{< relref "/ChapterFour/0001~0099/0096.Unique-Binary-Search-Trees.md" >}})|Medium||||58.1%|
|0150|Evaluate Reverse Polish Notation|[Go]({{< relref "/ChapterFour/0100~0199/0150.Evaluate-Reverse-Polish-Notation.md" >}})|Medium||||42.2%|
|0168|Excel Sheet Column Title|[Go]({{< relref "/ChapterFour/0100~0199/0168.Excel-Sheet-Column-Title.md" >}})|Easy||||33.8%|
|0171|Excel Sheet Column Number|[Go]({{< relref "/ChapterFour/0100~0199/0171.Excel-Sheet-Column-Number.md" >}})|Easy||||60.5%|
|0172|Factorial Trailing Zeroes|[Go]({{< relref "/ChapterFour/0100~0199/0172.Factorial-Trailing-Zeroes.md" >}})|Medium||||40.7%|
|0189|Rotate Array|[Go]({{< relref "/ChapterFour/0100~0199/0189.Rotate-Array.md" >}})|Medium||||38.5%|
|0202|Happy Number|[Go]({{< relref "/ChapterFour/0200~0299/0202.Happy-Number.md" >}})|Easy| O(log n)| O(1)||53.1%|
|0204|Count Primes|[Go]({{< relref "/ChapterFour/0200~0299/0204.Count-Primes.md" >}})|Medium||||33.0%|
|0223|Rectangle Area|[Go]({{< relref "/ChapterFour/0200~0299/0223.Rectangle-Area.md" >}})|Medium||||39.9%|
|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0200~0299/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||40.2%|
|0227|Basic Calculator II|[Go]({{< relref "/ChapterFour/0200~0299/0227.Basic-Calculator-II.md" >}})|Medium||||41.3%|
|0223|Rectangle Area|[Go]({{< relref "/ChapterFour/0200~0299/0223.Rectangle-Area.md" >}})|Medium||||40.0%|
|0224|Basic Calculator|[Go]({{< relref "/ChapterFour/0200~0299/0224.Basic-Calculator.md" >}})|Hard| O(n)| O(n)||40.4%|
|0227|Basic Calculator II|[Go]({{< relref "/ChapterFour/0200~0299/0227.Basic-Calculator-II.md" >}})|Medium||||41.5%|
|0231|Power of Two|[Go]({{< relref "/ChapterFour/0200~0299/0231.Power-of-Two.md" >}})|Easy| O(1)| O(1)||44.9%|
|0258|Add Digits|[Go]({{< relref "/ChapterFour/0200~0299/0258.Add-Digits.md" >}})|Easy||||62.2%|
|0263|Ugly Number|[Go]({{< relref "/ChapterFour/0200~0299/0263.Ugly-Number.md" >}})|Easy| O(log n)| O(1)||41.9%|
|0264|Ugly Number II|[Go]({{< relref "/ChapterFour/0200~0299/0264.Ugly-Number-II.md" >}})|Medium||||45.0%|
|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy||||58.9%|
|0279|Perfect Squares|[Go]({{< relref "/ChapterFour/0200~0299/0279.Perfect-Squares.md" >}})|Medium||||51.6%|
|0319|Bulb Switcher|[Go]({{< relref "/ChapterFour/0300~0399/0319.Bulb-Switcher.md" >}})|Medium||||47.1%|
|0326|Power of Three|[Go]({{< relref "/ChapterFour/0300~0399/0326.Power-of-Three.md" >}})|Easy| O(1)| O(1)||43.3%|
|0342|Power of Four|[Go]({{< relref "/ChapterFour/0300~0399/0342.Power-of-Four.md" >}})|Easy||||43.6%|
|0343|Integer Break|[Go]({{< relref "/ChapterFour/0300~0399/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||53.7%|
|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||50.4%|
|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md" >}})|Easy||||42.8%|
|0368|Largest Divisible Subset|[Go]({{< relref "/ChapterFour/0300~0399/0368.Largest-Divisible-Subset.md" >}})|Medium||||40.4%|
|0258|Add Digits|[Go]({{< relref "/ChapterFour/0200~0299/0258.Add-Digits.md" >}})|Easy||||62.3%|
|0263|Ugly Number|[Go]({{< relref "/ChapterFour/0200~0299/0263.Ugly-Number.md" >}})|Easy| O(log n)| O(1)||41.8%|
|0264|Ugly Number II|[Go]({{< relref "/ChapterFour/0200~0299/0264.Ugly-Number-II.md" >}})|Medium||||45.1%|
|0268|Missing Number|[Go]({{< relref "/ChapterFour/0200~0299/0268.Missing-Number.md" >}})|Easy||||59.2%|
|0279|Perfect Squares|[Go]({{< relref "/ChapterFour/0200~0299/0279.Perfect-Squares.md" >}})|Medium||||51.7%|
|0319|Bulb Switcher|[Go]({{< relref "/ChapterFour/0300~0399/0319.Bulb-Switcher.md" >}})|Medium||||47.2%|
|0326|Power of Three|[Go]({{< relref "/ChapterFour/0300~0399/0326.Power-of-Three.md" >}})|Easy| O(1)| O(1)||43.4%|
|0342|Power of Four|[Go]({{< relref "/ChapterFour/0300~0399/0342.Power-of-Four.md" >}})|Easy||||43.8%|
|0343|Integer Break|[Go]({{< relref "/ChapterFour/0300~0399/0343.Integer-Break.md" >}})|Medium| O(n^2)| O(n)||53.9%|
|0357|Count Numbers with Unique Digits|[Go]({{< relref "/ChapterFour/0300~0399/0357.Count-Numbers-with-Unique-Digits.md" >}})|Medium| O(1)| O(1)||50.5%|
|0367|Valid Perfect Square|[Go]({{< relref "/ChapterFour/0300~0399/0367.Valid-Perfect-Square.md" >}})|Easy||||42.9%|
|0368|Largest Divisible Subset|[Go]({{< relref "/ChapterFour/0300~0399/0368.Largest-Divisible-Subset.md" >}})|Medium||||40.5%|
|0371|Sum of Two Integers|[Go]({{< relref "/ChapterFour/0300~0399/0371.Sum-of-Two-Integers.md" >}})|Medium||||50.6%|
|0372|Super Pow|[Go]({{< relref "/ChapterFour/0300~0399/0372.Super-Pow.md" >}})|Medium||||37.6%|
|0382|Linked List Random Node|[Go]({{< relref "/ChapterFour/0300~0399/0382.Linked-List-Random-Node.md" >}})|Medium||||58.8%|
|0384|Shuffle an Array|[Go]({{< relref "/ChapterFour/0300~0399/0384.Shuffle-an-Array.md" >}})|Medium||||56.8%|
|0390|Elimination Game|[Go]({{< relref "/ChapterFour/0300~0399/0390.Elimination-Game.md" >}})|Medium||||46.3%|
|0400|Nth Digit|[Go]({{< relref "/ChapterFour/0400~0499/0400.Nth-Digit.md" >}})|Medium||||33.4%|
|0405|Convert a Number to Hexadecimal|[Go]({{< relref "/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md" >}})|Easy||||45.6%|
|0412|Fizz Buzz|[Go]({{< relref "/ChapterFour/0400~0499/0412.Fizz-Buzz.md" >}})|Easy||||66.2%|
|0382|Linked List Random Node|[Go]({{< relref "/ChapterFour/0300~0399/0382.Linked-List-Random-Node.md" >}})|Medium||||58.9%|
|0384|Shuffle an Array|[Go]({{< relref "/ChapterFour/0300~0399/0384.Shuffle-an-Array.md" >}})|Medium||||56.9%|
|0390|Elimination Game|[Go]({{< relref "/ChapterFour/0300~0399/0390.Elimination-Game.md" >}})|Medium||||46.4%|
|0400|Nth Digit|[Go]({{< relref "/ChapterFour/0400~0499/0400.Nth-Digit.md" >}})|Medium||||33.5%|
|0405|Convert a Number to Hexadecimal|[Go]({{< relref "/ChapterFour/0400~0499/0405.Convert-a-Number-to-Hexadecimal.md" >}})|Easy||||45.7%|
|0412|Fizz Buzz|[Go]({{< relref "/ChapterFour/0400~0499/0412.Fizz-Buzz.md" >}})|Easy||||66.4%|
|0423|Reconstruct Original Digits from English|[Go]({{< relref "/ChapterFour/0400~0499/0423.Reconstruct-Original-Digits-from-English.md" >}})|Medium||||51.2%|
|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0400~0499/0441.Arranging-Coins.md" >}})|Easy||||45.0%|
|0445|Add Two Numbers II|[Go]({{< relref "/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md" >}})|Medium||||58.3%|
|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md" >}})|Medium||||53.8%|
|0453|Minimum Moves to Equal Array Elements|[Go]({{< relref "/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md" >}})|Medium||||53.7%|
|0458|Poor Pigs|[Go]({{< relref "/ChapterFour/0400~0499/0458.Poor-Pigs.md" >}})|Hard||||55.4%|
|0462|Minimum Moves to Equal Array Elements II|[Go]({{< relref "/ChapterFour/0400~0499/0462.Minimum-Moves-to-Equal-Array-Elements-II.md" >}})|Medium||||56.7%|
|0441|Arranging Coins|[Go]({{< relref "/ChapterFour/0400~0499/0441.Arranging-Coins.md" >}})|Easy||||45.1%|
|0445|Add Two Numbers II|[Go]({{< relref "/ChapterFour/0400~0499/0445.Add-Two-Numbers-II.md" >}})|Medium||||58.5%|
|0447|Number of Boomerangs|[Go]({{< relref "/ChapterFour/0400~0499/0447.Number-of-Boomerangs.md" >}})|Medium||||54.0%|
|0453|Minimum Moves to Equal Array Elements|[Go]({{< relref "/ChapterFour/0400~0499/0453.Minimum-Moves-to-Equal-Array-Elements.md" >}})|Medium||||53.9%|
|0458|Poor Pigs|[Go]({{< relref "/ChapterFour/0400~0499/0458.Poor-Pigs.md" >}})|Hard||||55.5%|
|0462|Minimum Moves to Equal Array Elements II|[Go]({{< relref "/ChapterFour/0400~0499/0462.Minimum-Moves-to-Equal-Array-Elements-II.md" >}})|Medium||||56.8%|
|0470|Implement Rand10() Using Rand7()|[Go]({{< relref "/ChapterFour/0400~0499/0470.Implement-Rand10-Using-Rand7.md" >}})|Medium||||46.7%|
|0477|Total Hamming Distance|[Go]({{< relref "/ChapterFour/0400~0499/0477.Total-Hamming-Distance.md" >}})|Medium||||51.9%|
|0478|Generate Random Point in a Circle|[Go]({{< relref "/ChapterFour/0400~0499/0478.Generate-Random-Point-in-a-Circle.md" >}})|Medium||||39.3%|
|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0400~0499/0483.Smallest-Good-Base.md" >}})|Hard||||37.7%|
|0492|Construct the Rectangle|[Go]({{< relref "/ChapterFour/0400~0499/0492.Construct-the-Rectangle.md" >}})|Easy||||52.4%|
|0483|Smallest Good Base|[Go]({{< relref "/ChapterFour/0400~0499/0483.Smallest-Good-Base.md" >}})|Hard||||37.8%|
|0492|Construct the Rectangle|[Go]({{< relref "/ChapterFour/0400~0499/0492.Construct-the-Rectangle.md" >}})|Easy||||52.5%|
|0497|Random Point in Non-overlapping Rectangles|[Go]({{< relref "/ChapterFour/0400~0499/0497.Random-Point-in-Non-overlapping-Rectangles.md" >}})|Medium||||39.1%|
|0507|Perfect Number|[Go]({{< relref "/ChapterFour/0500~0599/0507.Perfect-Number.md" >}})|Easy||||37.5%|
|0507|Perfect Number|[Go]({{< relref "/ChapterFour/0500~0599/0507.Perfect-Number.md" >}})|Easy||||37.6%|
|0509|Fibonacci Number|[Go]({{< relref "/ChapterFour/0500~0599/0509.Fibonacci-Number.md" >}})|Easy||||68.1%|
|0519|Random Flip Matrix|[Go]({{< relref "/ChapterFour/0500~0599/0519.Random-Flip-Matrix.md" >}})|Medium||||38.9%|
|0523|Continuous Subarray Sum|[Go]({{< relref "/ChapterFour/0500~0599/0523.Continuous-Subarray-Sum.md" >}})|Medium||||26.9%|
|0519|Random Flip Matrix|[Go]({{< relref "/ChapterFour/0500~0599/0519.Random-Flip-Matrix.md" >}})|Medium||||39.0%|
|0523|Continuous Subarray Sum|[Go]({{< relref "/ChapterFour/0500~0599/0523.Continuous-Subarray-Sum.md" >}})|Medium||||27.1%|
|0528|Random Pick with Weight|[Go]({{< relref "/ChapterFour/0500~0599/0528.Random-Pick-with-Weight.md" >}})|Medium||||46.0%|
|0537|Complex Number Multiplication|[Go]({{< relref "/ChapterFour/0500~0599/0537.Complex-Number-Multiplication.md" >}})|Medium||||71.1%|
|0598|Range Addition II|[Go]({{< relref "/ChapterFour/0500~0599/0598.Range-Addition-II.md" >}})|Easy||||54.6%|
|0628|Maximum Product of Three Numbers|[Go]({{< relref "/ChapterFour/0600~0699/0628.Maximum-Product-of-Three-Numbers.md" >}})|Easy| O(n)| O(1)||46.8%|
|0633|Sum of Square Numbers|[Go]({{< relref "/ChapterFour/0600~0699/0633.Sum-of-Square-Numbers.md" >}})|Medium||||34.5%|
|0667|Beautiful Arrangement II|[Go]({{< relref "/ChapterFour/0600~0699/0667.Beautiful-Arrangement-II.md" >}})|Medium||||59.3%|
|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md" >}})|Hard||||33.2%|
|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||||66.4%|
|0775|Global and Local Inversions|[Go]({{< relref "/ChapterFour/0700~0799/0775.Global-and-Local-Inversions.md" >}})|Medium||||45.4%|
|0667|Beautiful Arrangement II|[Go]({{< relref "/ChapterFour/0600~0699/0667.Beautiful-Arrangement-II.md" >}})|Medium||||59.4%|
|0710|Random Pick with Blacklist|[Go]({{< relref "/ChapterFour/0700~0799/0710.Random-Pick-with-Blacklist.md" >}})|Hard||||33.3%|
|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||||66.6%|
|0775|Global and Local Inversions|[Go]({{< relref "/ChapterFour/0700~0799/0775.Global-and-Local-Inversions.md" >}})|Medium||||45.3%|
|0781|Rabbits in Forest|[Go]({{< relref "/ChapterFour/0700~0799/0781.Rabbits-in-Forest.md" >}})|Medium||||55.7%|
|0793|Preimage Size of Factorial Zeroes Function|[Go]({{< relref "/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md" >}})|Hard||||41.5%|
|0810|Chalkboard XOR Game|[Go]({{< relref "/ChapterFour/0800~0899/0810.Chalkboard-XOR-Game.md" >}})|Hard||||52.9%|
|0812|Largest Triangle Area|[Go]({{< relref "/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md" >}})|Easy||||59.5%|
|0836|Rectangle Overlap|[Go]({{< relref "/ChapterFour/0800~0899/0836.Rectangle-Overlap.md" >}})|Easy||||43.2%|
|0793|Preimage Size of Factorial Zeroes Function|[Go]({{< relref "/ChapterFour/0700~0799/0793.Preimage-Size-of-Factorial-Zeroes-Function.md" >}})|Hard||||41.6%|
|0810|Chalkboard XOR Game|[Go]({{< relref "/ChapterFour/0800~0899/0810.Chalkboard-XOR-Game.md" >}})|Hard||||53.1%|
|0812|Largest Triangle Area|[Go]({{< relref "/ChapterFour/0800~0899/0812.Largest-Triangle-Area.md" >}})|Easy||||59.6%|
|0836|Rectangle Overlap|[Go]({{< relref "/ChapterFour/0800~0899/0836.Rectangle-Overlap.md" >}})|Easy||||43.1%|
|0869|Reordered Power of 2|[Go]({{< relref "/ChapterFour/0800~0899/0869.Reordered-Power-of-2.md" >}})|Medium||||61.3%|
|0877|Stone Game|[Go]({{< relref "/ChapterFour/0800~0899/0877.Stone-Game.md" >}})|Medium||||69.0%|
|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0800~0899/0878.Nth-Magical-Number.md" >}})|Hard||||35.8%|
|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0800~0899/0887.Super-Egg-Drop.md" >}})|Hard||||27.1%|
|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||35.0%|
|0892|Surface Area of 3D Shapes|[Go]({{< relref "/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md" >}})|Easy||||61.5%|
|0910|Smallest Range II|[Go]({{< relref "/ChapterFour/0900~0999/0910.Smallest-Range-II.md" >}})|Medium||||32.3%|
|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||33.2%|
|0920|Number of Music Playlists|[Go]({{< relref "/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md" >}})|Hard||||49.3%|
|0877|Stone Game|[Go]({{< relref "/ChapterFour/0800~0899/0877.Stone-Game.md" >}})|Medium||||69.1%|
|0878|Nth Magical Number|[Go]({{< relref "/ChapterFour/0800~0899/0878.Nth-Magical-Number.md" >}})|Hard||||35.7%|
|0887|Super Egg Drop|[Go]({{< relref "/ChapterFour/0800~0899/0887.Super-Egg-Drop.md" >}})|Hard||||27.2%|
|0891|Sum of Subsequence Widths|[Go]({{< relref "/ChapterFour/0800~0899/0891.Sum-of-Subsequence-Widths.md" >}})|Hard| O(n log n)| O(1)||35.3%|
|0892|Surface Area of 3D Shapes|[Go]({{< relref "/ChapterFour/0800~0899/0892.Surface-Area-of-3D-Shapes.md" >}})|Easy||||61.7%|
|0910|Smallest Range II|[Go]({{< relref "/ChapterFour/0900~0999/0910.Smallest-Range-II.md" >}})|Medium||||32.5%|
|0914|X of a Kind in a Deck of Cards|[Go]({{< relref "/ChapterFour/0900~0999/0914.X-of-a-Kind-in-a-Deck-of-Cards.md" >}})|Easy||||33.1%|
|0920|Number of Music Playlists|[Go]({{< relref "/ChapterFour/0900~0999/0920.Number-of-Music-Playlists.md" >}})|Hard||||49.5%|
|0927|Three Equal Parts|[Go]({{< relref "/ChapterFour/0900~0999/0927.Three-Equal-Parts.md" >}})|Hard||||39.3%|
|0942|DI String Match|[Go]({{< relref "/ChapterFour/0900~0999/0942.DI-String-Match.md" >}})|Easy| O(n)| O(1)||75.6%|
|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard||||40.4%|
|0942|DI String Match|[Go]({{< relref "/ChapterFour/0900~0999/0942.DI-String-Match.md" >}})|Easy| O(n)| O(1)||75.7%|
|0952|Largest Component Size by Common Factor|[Go]({{< relref "/ChapterFour/0900~0999/0952.Largest-Component-Size-by-Common-Factor.md" >}})|Hard||||40.3%|
|0970|Powerful Integers|[Go]({{< relref "/ChapterFour/0900~0999/0970.Powerful-Integers.md" >}})|Medium||||43.5%|
|0973|K Closest Points to Origin|[Go]({{< relref "/ChapterFour/0900~0999/0973.K-Closest-Points-to-Origin.md" >}})|Medium||||66.0%|
|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||58.9%|
|0989|Add to Array-Form of Integer|[Go]({{< relref "/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md" >}})|Easy||||45.3%|
|0991|Broken Calculator|[Go]({{< relref "/ChapterFour/0900~0999/0991.Broken-Calculator.md" >}})|Medium||||50.0%|
|0976|Largest Perimeter Triangle|[Go]({{< relref "/ChapterFour/0900~0999/0976.Largest-Perimeter-Triangle.md" >}})|Easy| O(n log n)| O(log n) ||56.6%|
|0989|Add to Array-Form of Integer|[Go]({{< relref "/ChapterFour/0900~0999/0989.Add-to-Array-Form-of-Integer.md" >}})|Easy||||45.4%|
|0991|Broken Calculator|[Go]({{< relref "/ChapterFour/0900~0999/0991.Broken-Calculator.md" >}})|Medium||||54.1%|
|0996|Number of Squareful Arrays|[Go]({{< relref "/ChapterFour/0900~0999/0996.Number-of-Squareful-Arrays.md" >}})|Hard| O(n log n)| O(n) ||49.1%|
|1006|Clumsy Factorial|[Go]({{< relref "/ChapterFour/1000~1099/1006.Clumsy-Factorial.md" >}})|Medium||||54.5%|
|1006|Clumsy Factorial|[Go]({{< relref "/ChapterFour/1000~1099/1006.Clumsy-Factorial.md" >}})|Medium||||54.6%|
|1017|Convert to Base -2|[Go]({{< relref "/ChapterFour/1000~1099/1017.Convert-to-Base-2.md" >}})|Medium||||60.0%|
|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1000~1099/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.5%|
|1030|Matrix Cells in Distance Order|[Go]({{< relref "/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md" >}})|Easy||||68.9%|
|1025|Divisor Game|[Go]({{< relref "/ChapterFour/1000~1099/1025.Divisor-Game.md" >}})|Easy| O(1)| O(1)||66.6%|
|1030|Matrix Cells in Distance Order|[Go]({{< relref "/ChapterFour/1000~1099/1030.Matrix-Cells-in-Distance-Order.md" >}})|Easy||||69.1%|
|1037|Valid Boomerang|[Go]({{< relref "/ChapterFour/1000~1099/1037.Valid-Boomerang.md" >}})|Easy||||37.4%|
|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium||||55.4%|
|1073|Adding Two Negabinary Numbers|[Go]({{< relref "/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md" >}})|Medium||||35.5%|
|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md" >}})|Medium||||46.1%|
|1104|Path In Zigzag Labelled Binary Tree|[Go]({{< relref "/ChapterFour/1100~1199/1104.Path-In-Zigzag-Labelled-Binary-Tree.md" >}})|Medium||||74.4%|
|1137|N-th Tribonacci Number|[Go]({{< relref "/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md" >}})|Easy||||62.6%|
|1154|Day of the Year|[Go]({{< relref "/ChapterFour/1100~1199/1154.Day-of-the-Year.md" >}})|Easy||||51.0%|
|1175|Prime Arrangements|[Go]({{< relref "/ChapterFour/1100~1199/1175.Prime-Arrangements.md" >}})|Easy||||52.6%|
|1185|Day of the Week|[Go]({{< relref "/ChapterFour/1100~1199/1185.Day-of-the-Week.md" >}})|Easy||||58.7%|
|1040|Moving Stones Until Consecutive II|[Go]({{< relref "/ChapterFour/1000~1099/1040.Moving-Stones-Until-Consecutive-II.md" >}})|Medium||||55.5%|
|1073|Adding Two Negabinary Numbers|[Go]({{< relref "/ChapterFour/1000~1099/1073.Adding-Two-Negabinary-Numbers.md" >}})|Medium||||35.8%|
|1093|Statistics from a Large Sample|[Go]({{< relref "/ChapterFour/1000~1099/1093.Statistics-from-a-Large-Sample.md" >}})|Medium||||45.9%|
|1104|Path In Zigzag Labelled Binary Tree|[Go]({{< relref "/ChapterFour/1100~1199/1104.Path-In-Zigzag-Labelled-Binary-Tree.md" >}})|Medium||||74.5%|
|1137|N-th Tribonacci Number|[Go]({{< relref "/ChapterFour/1100~1199/1137.N-th-Tribonacci-Number.md" >}})|Easy||||62.7%|
|1154|Day of the Year|[Go]({{< relref "/ChapterFour/1100~1199/1154.Day-of-the-Year.md" >}})|Easy||||51.1%|
|1175|Prime Arrangements|[Go]({{< relref "/ChapterFour/1100~1199/1175.Prime-Arrangements.md" >}})|Easy||||52.8%|
|1185|Day of the Week|[Go]({{< relref "/ChapterFour/1100~1199/1185.Day-of-the-Week.md" >}})|Easy||||58.5%|
|1201|Ugly Number III|[Go]({{< relref "/ChapterFour/1200~1299/1201.Ugly-Number-III.md" >}})|Medium||||27.7%|
|1217|Minimum Cost to Move Chips to The Same Position|[Go]({{< relref "/ChapterFour/1200~1299/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position.md" >}})|Easy||||72.7%|
|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||42.2%|
|1232|Check If It Is a Straight Line|[Go]({{< relref "/ChapterFour/1200~1299/1232.Check-If-It-Is-a-Straight-Line.md" >}})|Easy||||42.0%|
|1252|Cells with Odd Values in a Matrix|[Go]({{< relref "/ChapterFour/1200~1299/1252.Cells-with-Odd-Values-in-a-Matrix.md" >}})|Easy||||78.5%|
|1266|Minimum Time Visiting All Points|[Go]({{< relref "/ChapterFour/1200~1299/1266.Minimum-Time-Visiting-All-Points.md" >}})|Easy||||79.1%|
|1281|Subtract the Product and Sum of Digits of an Integer|[Go]({{< relref "/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md" >}})|Easy||||86.1%|
|1281|Subtract the Product and Sum of Digits of an Integer|[Go]({{< relref "/ChapterFour/1200~1299/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer.md" >}})|Easy||||86.3%|
|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||||82.7%|
|1304|Find N Unique Integers Sum up to Zero|[Go]({{< relref "/ChapterFour/1300~1399/1304.Find-N-Unique-Integers-Sum-up-to-Zero.md" >}})|Easy||||76.9%|
|1317|Convert Integer to the Sum of Two No-Zero Integers|[Go]({{< relref "/ChapterFour/1300~1399/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers.md" >}})|Easy||||57.1%|
|1442|Count Triplets That Can Form Two Arrays of Equal XOR|[Go]({{< relref "/ChapterFour/1400~1499/1442.Count-Triplets-That-Can-Form-Two-Arrays-of-Equal-XOR.md" >}})|Medium||||74.5%|
|1442|Count Triplets That Can Form Two Arrays of Equal XOR|[Go]({{< relref "/ChapterFour/1400~1499/1442.Count-Triplets-That-Can-Form-Two-Arrays-of-Equal-XOR.md" >}})|Medium||||74.6%|
|1486|XOR Operation in an Array|[Go]({{< relref "/ChapterFour/1400~1499/1486.XOR-Operation-in-an-Array.md" >}})|Easy||||84.2%|
|1512|Number of Good Pairs|[Go]({{< relref "/ChapterFour/1500~1599/1512.Number-of-Good-Pairs.md" >}})|Easy||||87.9%|
|1518|Water Bottles|[Go]({{< relref "/ChapterFour/1500~1599/1518.Water-Bottles.md" >}})|Easy||||60.5%|
|1551|Minimum Operations to Make Array Equal|[Go]({{< relref "/ChapterFour/1500~1599/1551.Minimum-Operations-to-Make-Array-Equal.md" >}})|Medium||||80.7%|
|1573|Number of Ways to Split a String|[Go]({{< relref "/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md" >}})|Medium||||32.0%|
|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.9%|
|1518|Water Bottles|[Go]({{< relref "/ChapterFour/1500~1599/1518.Water-Bottles.md" >}})|Easy||||60.4%|
|1551|Minimum Operations to Make Array Equal|[Go]({{< relref "/ChapterFour/1500~1599/1551.Minimum-Operations-to-Make-Array-Equal.md" >}})|Medium||||80.8%|
|1573|Number of Ways to Split a String|[Go]({{< relref "/ChapterFour/1500~1599/1573.Number-of-Ways-to-Split-a-String.md" >}})|Medium||||32.1%|
|1648|Sell Diminishing-Valued Colored Balls|[Go]({{< relref "/ChapterFour/1600~1699/1648.Sell-Diminishing-Valued-Colored-Balls.md" >}})|Medium||||30.7%|
|1680|Concatenation of Consecutive Binary Numbers|[Go]({{< relref "/ChapterFour/1600~1699/1680.Concatenation-of-Consecutive-Binary-Numbers.md" >}})|Medium||||52.6%|
|1685|Sum of Absolute Differences in a Sorted Array|[Go]({{< relref "/ChapterFour/1600~1699/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array.md" >}})|Medium||||65.6%|
|1688|Count of Matches in Tournament|[Go]({{< relref "/ChapterFour/1600~1699/1688.Count-of-Matches-in-Tournament.md" >}})|Easy||||82.6%|
|1690|Stone Game VII|[Go]({{< relref "/ChapterFour/1600~1699/1690.Stone-Game-VII.md" >}})|Medium||||58.7%|
|1716|Calculate Money in Leetcode Bank|[Go]({{< relref "/ChapterFour/1700~1799/1716.Calculate-Money-in-Leetcode-Bank.md" >}})|Easy||||64.8%|
|1716|Calculate Money in Leetcode Bank|[Go]({{< relref "/ChapterFour/1700~1799/1716.Calculate-Money-in-Leetcode-Bank.md" >}})|Easy||||64.9%|
|1742|Maximum Number of Balls in a Box|[Go]({{< relref "/ChapterFour/1700~1799/1742.Maximum-Number-of-Balls-in-a-Box.md" >}})|Easy||||73.7%|
|2165|Smallest Value of the Rearranged Number|[Go]({{< relref "/ChapterFour/2100~2199/2165.Smallest-Value-of-the-Rearranged-Number.md" >}})|Medium||||50.5%|
|2169|Count Operations to Obtain Zero|[Go]({{< relref "/ChapterFour/2100~2199/2169.Count-Operations-to-Obtain-Zero.md" >}})|Easy||||75.0%|
|2180|Count Integers With Even Digit Sum|[Go]({{< relref "/ChapterFour/2100~2199/2180.Count-Integers-With-Even-Digit-Sum.md" >}})|Easy||||64.8%|
|2183|Count Array Pairs Divisible by K|[Go]({{< relref "/ChapterFour/2100~2199/2183.Count-Array-Pairs-Divisible-by-K.md" >}})|Hard||||25.8%|
|2165|Smallest Value of the Rearranged Number|[Go]({{< relref "/ChapterFour/2100~2199/2165.Smallest-Value-of-the-Rearranged-Number.md" >}})|Medium||||50.6%|
|2169|Count Operations to Obtain Zero|[Go]({{< relref "/ChapterFour/2100~2199/2169.Count-Operations-to-Obtain-Zero.md" >}})|Easy||||75.2%|
|2180|Count Integers With Even Digit Sum|[Go]({{< relref "/ChapterFour/2100~2199/2180.Count-Integers-With-Even-Digit-Sum.md" >}})|Easy||||64.9%|
|2183|Count Array Pairs Divisible by K|[Go]({{< relref "/ChapterFour/2100~2199/2183.Count-Array-Pairs-Divisible-by-K.md" >}})|Hard||||26.4%|
|------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------|-------------|-------------|