Array #

No.TitleSolutionDifficultyTimeComplexitySpaceComplexityFavoriteAcceptance0001Two SumGoEasyO(n)O(n)48.4%0004Median of Two Sorted ArraysGoHard33.9%0011Container With Most WaterGoMediumO(n)O(1)53.4%00153SumGoMediumO(n^2)O(n)❤️30.9%00163Sum ClosestGoMediumO(n^2)O(1)❤️47.1%00184SumGoMediumO(n^3)O(n^2)❤️37.2%0026Remove Duplicates from Sorted ArrayGoEasyO(n)O(1)48.6%0027Remove ElementGoEasyO(n)O(1)51.1%0031Next PermutationGoMedium36.3%0033Search in Rotated Sorted ArrayGoMedium37.7%0034Find First and Last Position of Element in Sorted ArrayGoMedium39.9%0035Search Insert PositionGoEasy42.3%0036Valid SudokuGoMedium54.8%0037Sudoku SolverGoHard53.5%0039Combination SumGoMediumO(n log n)O(n)65.1%0040Combination Sum IIGoMediumO(n log n)O(n)52.2%0041First Missing PositiveGoHardO(n)O(n)35.9%0042Trapping Rain WaterGoHardO(n)O(1)❤️56.2%0045Jump Game IIGoMedium36.9%0046PermutationsGoMedium71.9%0047Permutations IIGoMedium53.9%0048Rotate ImageGoMediumO(n)O(1)66.2%0051N-QueensGoHard57.0%0053Maximum SubarrayGoEasyO(n)O(n)49.5%0054Spiral MatrixGoMediumO(n)O(n^2)41.0%0055Jump GameGoMedium37.7%0056Merge IntervalsGoMediumO(n log n)O(1)44.7%0057Insert IntervalGoMediumO(n)O(1)37.3%0059Spiral Matrix IIGoMediumO(n)O(n^2)62.2%0063Unique Paths IIGoMediumO(n^2)O(n^2)37.4%0064Minimum Path SumGoMediumO(n^2)O(n^2)59.2%0066Plus OneGoEasy42.7%0073Set Matrix ZeroesGoMedium48.1%0074Search a 2D MatrixGoMedium44.0%0075Sort ColorsGoMediumO(n)O(1)❤️54.5%0077CombinationsGoMedium63.6%0078SubsetsGoMediumO(n^2)O(n)❤️71.1%0079Word SearchGoMediumO(n^2)O(n^2)❤️39.5%0080Remove Duplicates from Sorted Array IIGoMediumO(n)O(150.4%0081Search in Rotated Sorted Array IIGoMedium35.5%0084Largest Rectangle in HistogramGoHardO(n)O(n)❤️40.6%0088Merge Sorted ArrayGoEasyO(n)O(1)❤️43.6%0090Subsets IIGoMediumO(n^2)O(n)❤️53.0%0105Construct Binary Tree from Preorder and Inorder TraversalGoMedium57.3%0106Construct Binary Tree from Inorder and Postorder TraversalGoMedium55.1%0108Convert Sorted Array to Binary Search TreeGoEasy65.8%0118Pascal’s TriangleGoEasy63.9%0119Pascal’s Triangle IIGoEasy57.2%0120TriangleGoMediumO(n^2)O(n)50.5%0121Best Time to Buy and Sell StockGoEasyO(n)O(1)54.0%0122Best Time to Buy and Sell Stock IIGoMediumO(n)O(1)61.8%0128Longest Consecutive SequenceGoMedium48.6%0130Surrounded RegionsGoMedium33.8%0135CandyGoHard36.9%0136Single NumberGoEasy69.2%0137Single Number IIGoMedium56.5%0150Evaluate Reverse Polish NotationGoMedium42.2%0152Maximum Product SubarrayGoMediumO(n)O(1)34.5%0153Find Minimum in Rotated Sorted ArrayGoMedium47.8%0154Find Minimum in Rotated Sorted Array IIGoHard43.3%0162Find Peak ElementGoMedium45.8%0164Maximum GapGoHard41.3%0167Two Sum II - Input Array Is SortedGoMediumO(n)O(1)58.5%0169Majority ElementGoEasy62.8%0174Dungeon GameGoHard36.4%0189Rotate ArrayGoMedium38.5%0198House RobberGoMedium47.0%0200Number of IslandsGoMedium53.6%0204Count PrimesGoMedium33.0%0209Minimum Size Subarray SumGoMediumO(n)O(1)43.1%0212Word Search IIGoHard38.1%0213House Robber IIGoMedium39.7%0215Kth Largest Element in an ArrayGoMedium63.1%0216Combination Sum IIIGoMediumO(n)O(1)❤️63.8%0217Contains DuplicateGoEasyO(n)O(n)60.6%0218The Skyline ProblemGoHard38.6%0219Contains Duplicate IIGoEasyO(n)O(n)40.6%0220Contains Duplicate IIIGoMedium21.7%0228Summary RangesGoEasy46.3%0229Majority Element IIGoMedium42.1%0239Sliding Window MaximumGoHard46.2%0240Search a 2D Matrix IIGoMedium48.2%0260Single Number IIIGoMedium67.1%0268Missing NumberGoEasy59.2%0274H-IndexGoMedium37.5%0275H-Index IIGoMedium36.9%0283Move ZeroesGoEasyO(n)O(1)60.5%0284Peeking IteratorGoMedium53.5%0287Find the Duplicate NumberGoMediumO(n)O(1)❤️58.8%0300Longest Increasing SubsequenceGoMedium49.0%0303Range Sum Query - ImmutableGoEasy55.0%0304Range Sum Query 2D - ImmutableGoMedium47.4%0307Range Sum Query - MutableGoMedium38.6%0309Best Time to Buy and Sell Stock with CooldownGoMedium52.2%0315Count of Smaller Numbers After SelfGoHard42.1%0318Maximum Product of Word LengthsGoMedium56.6%0322Coin ChangeGoMedium40.0%0324Wiggle Sort IIGoMedium32.1%0327Count of Range SumGoHard36.0%0347Top K Frequent ElementsGoMedium64.6%0349Intersection of Two ArraysGoEasy68.8%0350Intersection of Two Arrays IIGoEasy54.7%0354Russian Doll EnvelopesGoHard39.1%0368Largest Divisible SubsetGoMedium40.5%0373Find K Pairs with Smallest SumsGoMedium38.8%0376Wiggle SubsequenceGoMedium44.8%0377Combination Sum IVGoMedium49.3%0378Kth Smallest Element in a Sorted MatrixGoMedium59.5%0384Shuffle an ArrayGoMedium56.9%0391Perfect RectangleGoHard32.0%0393UTF-8 ValidationGoMedium39.1%0399Evaluate DivisionGoMedium57.0%0410Split Array Largest SumGoHard51.9%0413Arithmetic SlicesGoMedium64.3%0414Third Maximum NumberGoEasy31.7%0416Partition Equal Subset SumGoMedium46.3%0417Pacific Atlantic Water FlowGoMedium48.7%0421Maximum XOR of Two Numbers in an ArrayGoMedium54.3%0435Non-overlapping IntervalsGoMedium48.0%0436Find Right IntervalGoMedium49.3%0447Number of BoomerangsGoMedium54.0%0448Find All Numbers Disappeared in an ArrayGoEasy59.0%0453Minimum Moves to Equal Array ElementsGoMedium53.9%04544Sum IIGoMedium57.0%0455Assign CookiesGoEasy50.7%0456132 PatternGoMedium30.9%0457Circular Array LoopGoMedium31.6%0462Minimum Moves to Equal Array Elements IIGoMedium56.8%0463Island PerimeterGoEasy68.9%0473Matchsticks to SquareGoMedium40.4%0474Ones and ZeroesGoMedium44.5%0475HeatersGoMedium35.1%0477Total Hamming DistanceGoMedium51.9%0480Sliding Window MedianGoHard40.8%0485Max Consecutive OnesGoEasy55.0%0491Increasing SubsequencesGoMedium50.7%0493Reverse PairsGoHard29.8%0494Target SumGoMedium45.4%0495Teemo AttackingGoEasy56.8%0496Next Greater Element IGoEasy69.9%0498Diagonal TraverseGoMedium56.3%0500Keyboard RowGoEasy67.9%0503Next Greater Element IIGoMedium61.9%0506Relative RanksGoEasy56.4%0518Coin Change 2GoMedium57.2%0523Continuous Subarray SumGoMedium27.1%0524Longest Word in Dictionary through DeletingGoMedium50.9%0525Contiguous ArrayGoMedium46.3%0526Beautiful ArrangementGoMedium64.3%0529MinesweeperGoMedium64.5%0532K-diff Pairs in an ArrayGoMediumO(n)O(n)40.0%0540Single Element in a Sorted ArrayGoMedium58.7%054201 MatrixGoMedium43.7%0554Brick WallGoMedium52.6%0560Subarray Sum Equals KGoMedium44.2%0561Array Partition IGoEasy75.5%0566Reshape the MatrixGoEasyO(n^2)O(n^2)62.3%0575Distribute CandiesGoEasy65.6%0581Shortest Unsorted Continuous SubarrayGoMedium34.1%0594Longest Harmonious SubsequenceGoEasy52.6%0598Range Addition IIGoEasy54.6%0599Minimum Index Sum of Two ListsGoEasy52.8%0605Can Place FlowersGoEasy33.0%0609Find Duplicate File in SystemGoMedium63.7%0611Valid Triangle NumberGoMedium49.6%0622Design Circular QueueGoMedium48.6%0628Maximum Product of Three NumbersGoEasyO(n)O(1)46.8%0630Course Schedule IIIGoHard35.7%0632Smallest Range Covering Elements from K ListsGoHard58.3%0636Exclusive Time of FunctionsGoMedium60.0%0638Shopping OffersGoMedium54.5%0643Maximum Average Subarray IGoEasy43.4%0645Set MismatchGoEasy41.3%0648Replace WordsGoMedium61.9%0658Find K Closest ElementsGoMedium44.4%0661Image SmootherGoEasy54.1%0665Non-decreasing ArrayGoMedium21.5%0667Beautiful Arrangement IIGoMedium59.4%0674Longest Continuous Increasing SubsequenceGoEasy48.3%0682Baseball GameGoEasy69.5%0695Max Area of IslandGoMedium69.4%0697Degree of an ArrayGoEasy55.6%0699Falling SquaresGoHard43.8%0704Binary SearchGoEasy55.3%0705Design HashSetGoEasy63.8%0706Design HashMapGoEasy63.8%0713Subarray Product Less Than KGoMediumO(n)O(1)43.5%0714Best Time to Buy and Sell Stock with Transaction FeeGoMediumO(n)O(1)62.0%07171-bit and 2-bit CharactersGoEasy46.2%0718Maximum Length of Repeated SubarrayGoMedium51.4%0719Find K-th Smallest Pair DistanceGoHard34.9%0720Longest Word in DictionaryGoMedium50.9%0721Accounts MergeGoMedium55.7%0724Find Pivot IndexGoEasy51.3%0733Flood FillGoEasy58.1%0735Asteroid CollisionGoMedium44.4%0739Daily TemperaturesGoMedium67.0%0744Find Smallest Letter Greater Than TargetGoEasy45.2%0746Min Cost Climbing StairsGoEasyO(n)O(1)58.4%0747Largest Number At Least Twice of OthersGoEasy45.1%0748Shortest Completing WordGoEasy58.8%0752Open the LockGoMedium55.3%0766Toeplitz MatrixGoEasyO(n)O(1)67.9%0775Global and Local InversionsGoMedium45.3%0778Swim in Rising WaterGoHard58.6%0781Rabbits in ForestGoMedium55.7%0786K-th Smallest Prime FractionGoHard48.3%0794Valid Tic-Tac-Toe StateGoMedium35.2%0795Number of Subarrays with Bounded MaximumGoMedium52.4%0803Bricks Falling When HitGoHard33.8%0807Max Increase to Keep City SkylineGoMedium85.4%0810Chalkboard XOR GameGoHard53.1%0811Subdomain Visit CountGoMedium74.1%0812Largest Triangle AreaGoEasy59.6%0815Bus RoutesGoHard45.2%0820Short Encoding of WordsGoMedium55.2%0821Shortest Distance to a CharacterGoEasy70.9%0823Binary Trees With FactorsGoMedium43.7%0825Friends Of Appropriate AgesGoMedium45.9%0826Most Profit Assigning WorkGoMedium41.6%0832Flipping an ImageGoEasy79.6%0845Longest Mountain in ArrayGoMedium39.8%0846Hand of StraightsGoMedium56.2%0850Rectangle Area IIGoHard53.3%0851Loud and RichGoMedium56.4%0852Peak Index in a Mountain ArrayGoEasy70.7%0853Car FleetGoMedium47.9%0862Shortest Subarray with Sum at Least KGoHard26.2%0867Transpose MatrixGoEasyO(n)O(1)61.1%0870Advantage ShuffleGoMedium51.2%0874Walking Robot SimulationGoMedium37.7%0875Koko Eating BananasGoMedium54.6%0877Stone GameGoMedium69.1%0881Boats to Save PeopleGoMedium52.4%0885Spiral Matrix IIIGoMedium72.3%0888Fair Candy SwapGoEasy60.4%0890Find and Replace PatternGoMedium75.6%0891Sum of Subsequence WidthsGoHardO(n log n)O(1)35.3%0892Surface Area of 3D ShapesGoEasy61.7%0896Monotonic ArrayGoEasy58.5%0898Bitwise ORs of SubarraysGoMedium36.3%0904Fruit Into BasketsGoMedium42.9%0907Sum of Subarray MinimumsGoMediumO(n)O(n)❤️33.8%0909Snakes and LaddersGoMedium40.4%0910Smallest Range IIGoMedium32.5%0911Online ElectionGoMedium51.5%0914X of a Kind in a Deck of CardsGoEasy33.1%0916Word SubsetsGoMedium52.7%0918Maximum Sum Circular SubarrayGoMedium37.0%0922Sort Array By Parity IIGoEasyO(n)O(1)70.6%09233Sum With MultiplicityGoMedium41.4%0924Minimize Malware SpreadGoHard41.9%0927Three Equal PartsGoHard39.3%0928Minimize Malware Spread IIGoHard42.1%0930Binary Subarrays With SumGoMedium48.6%0942DI String MatchGoEasy75.7%0946Validate Stack SequencesGoMedium67.5%0952Largest Component Size by Common FactorGoHard40.3%0953Verifying an Alien DictionaryGoEasy52.5%0961N-Repeated Element in Size 2N ArrayGoEasy75.4%0966Vowel SpellcheckerGoMedium51.7%0969Pancake SortingGoMediumO(n)O(1)❤️69.7%0973K Closest Points to OriginGoMedium66.0%0976Largest Perimeter TriangleGoEasy56.6%0977Squares of a Sorted ArrayGoEasyO(n)O(1)71.6%0978Longest Turbulent SubarrayGoMedium47.5%0980Unique Paths IIIGoHard79.5%0985Sum of Even Numbers After QueriesGoMedium60.9%0986Interval List IntersectionsGoMedium71.0%0989Add to Array-Form of IntegerGoEasy45.4%0990Satisfiability of Equality EquationsGoMedium49.9%0992Subarrays with K Different IntegersGoHard53.3%0995Minimum Number of K Consecutive Bit FlipsGoHard50.7%0996Number of Squareful ArraysGoHard49.1%0997Find the Town JudgeGoEasy49.9%0999Available Captures for RookGoEasy67.7%1002Find Common CharactersGoEasy68.4%1004Max Consecutive Ones IIIGoMedium62.8%1005Maximize Sum Of Array After K NegationsGoEasy51.5%1010Pairs of Songs With Total Durations Divisible by 60GoMedium53.7%1011Capacity To Ship Packages Within D DaysGoMedium63.4%1018Binary Prefix Divisible By 5GoEasy47.5%1019Next Greater Node In Linked ListGoMedium59.6%1020Number of EnclavesGoMedium62.4%1030Matrix Cells in Distance OrderGoEasy69.1%1034Coloring A BorderGoMedium48.3%1040Moving Stones Until Consecutive IIGoMedium55.5%1048Longest String ChainGoMedium57.8%1049Last Stone Weight IIGoMedium50.9%1051Height CheckerGoEasy74.2%1052Grumpy Bookstore OwnerGoMedium56.7%1054Distant BarcodesGoMedium45.1%1073Adding Two Negabinary NumbersGoMedium35.8%1074Number of Submatrices That Sum to TargetGoHard66.3%1089Duplicate ZerosGoEasy51.1%1091Shortest Path in Binary MatrixGoMedium42.6%1105Filling Bookcase ShelvesGoMedium58.1%1122Relative Sort ArrayGoEasy68.1%1128Number of Equivalent Domino PairsGoEasy46.3%1157Online Majority Element In SubarrayGoHard42.0%1160Find Words That Can Be Formed by CharactersGoEasy67.7%1170Compare Strings by Frequency of the Smallest CharacterGoMedium61.1%1178Number of Valid Words for Each PuzzleGoHard46.9%1184Distance Between Bus StopsGoEasy54.0%1200Minimum Absolute DifferenceGoEasy69.9%1207Unique Number of OccurrencesGoEasy72.0%1217Minimum Cost to Move Chips to The Same PositionGoEasy72.7%1232Check If It Is a Straight LineGoEasy42.0%1235Maximum Profit in Job SchedulingGoHard50.9%1239Maximum Length of a Concatenated String with Unique CharactersGoMedium50.6%1252Cells with Odd Values in a MatrixGoEasy78.5%1254Number of Closed IslandsGoMedium63.1%1260Shift 2D GridGoEasy62.6%1266Minimum Time Visiting All PointsGoEasy79.1%1268Search Suggestions SystemGoMedium65.4%1275Find Winner on a Tic Tac Toe GameGoEasy54.9%1283Find the Smallest Divisor Given a ThresholdGoMedium53.5%1287Element Appearing More Than 25% In Sorted ArrayGoEasy59.5%1295Find Numbers with Even Number of DigitsGoEasy77.2%1296Divide Array in Sets of K Consecutive NumbersGoMedium56.5%1299Replace Elements with Greatest Element on Right SideGoEasy74.4%1300Sum of Mutated Array Closest to TargetGoMedium42.5%1304Find N Unique Integers Sum up to ZeroGoEasy76.9%1306Jump Game IIIGoMedium62.8%1310XOR Queries of a SubarrayGoMedium71.2%1313Decompress Run-Length Encoded ListGoEasy85.9%1329Sort the Matrix DiagonallyGoMedium81.3%1337The K Weakest Rows in a MatrixGoEasy74.5%1353Maximum Number of Events That Can Be AttendedGoMedium33.4%1380Lucky Numbers in a MatrixGoEasy70.9%1383Maximum Performance of a TeamGoHard41.5%1385Find the Distance Value Between Two ArraysGoEasy66.2%1389Create Target Array in the Given OrderGoEasy85.6%1423Maximum Points You Can Obtain from CardsGoMedium50.0%1437Check If All 1’s Are at Least Length K Places AwayGoEasy60.0%1438Longest Continuous Subarray With Absolute Diff Less Than or Equal to LimitGoMedium46.1%1439Find the Kth Smallest Sum of a Matrix With Sorted RowsGoHard61.5%1442Count Triplets That Can Form Two Arrays of Equal XORGoMedium74.6%1463Cherry Pickup IIGoHard70.8%1464Maximum Product of Two Elements in an ArrayGoEasy78.4%1465Maximum Area of a Piece of Cake After Horizontal and Vertical CutsGoMedium37.1%1470Shuffle the ArrayGoEasy88.3%1480Running Sum of 1d ArrayGoEasy89.6%1482Minimum Number of Days to Make m BouquetsGoMedium55.4%1512Number of Good PairsGoEasy87.9%1539Kth Missing Positive NumberGoEasy55.3%1572Matrix Diagonal SumGoEasy79.0%1608Special Array With X Elements Greater Than or Equal XGoEasy60.1%1619Mean of Array After Removing Some ElementsGoEasy64.6%1629Slowest KeyGoEasy59.7%1631Path With Minimum EffortGoMedium51.9%1636Sort Array by Increasing FrequencyGoEasy68.4%1640Check Array Formation Through ConcatenationGoEasy55.8%1642Furthest Building You Can ReachGoMedium45.0%1646Get Maximum in Generated ArrayGoEasy51.0%1648Sell Diminishing-Valued Colored BallsGoMedium30.7%1649Create Sorted Array through InstructionsGoHard37.2%1652Defuse the BombGoEasy60.8%1654Minimum Jumps to Reach HomeGoMedium26.9%1655Distribute Repeating IntegersGoHard40.4%1656Design an Ordered StreamGoEasy83.7%1658Minimum Operations to Reduce X to ZeroGoMedium33.5%1662Check If Two String Arrays are EquivalentGoEasy82.0%1664Ways to Make a Fair ArrayGoMedium63.1%1665Minimum Initial Energy to Finish TasksGoHard55.8%1670Design Front Middle Back QueueGoMedium55.5%1672Richest Customer WealthGoEasy89.3%1673Find the Most Competitive SubsequenceGoMedium48.3%1674Minimum Moves to Make Array ComplementaryGoMedium37.3%1675Minimize Deviation in ArrayGoHard52.6%1679Max Number of K-Sum PairsGoMedium53.6%1681Minimum IncompatibilityGoHard37.0%1684Count the Number of Consistent StringsGoEasy81.9%1685Sum of Absolute Differences in a Sorted ArrayGoMedium65.6%1690Stone Game VIIGoMedium58.7%1691Maximum Height by Stacking CuboidsGoHard53.5%1695Maximum Erasure ValueGoMedium52.4%1696Jump Game VIGoMedium42.7%1700Number of Students Unable to Eat LunchGoEasy67.9%1705Maximum Number of Eaten ApplesGoMedium36.3%1710Maximum Units on a TruckGoEasy72.1%1720Decode XORed ArrayGoEasy85.9%1725Number Of Rectangles That Can Form The Largest SquareGoEasy78.8%1732Find the Highest AltitudeGoEasy78.9%1734Decode XORed PermutationGoMedium60.6%1738Find Kth Largest XOR Coordinate ValueGoMedium62.3%1744Can You Eat Your Favorite Candy on Your Favorite Day?GoMedium32.2%1748Sum of Unique ElementsGoEasy75.5%1752Check if Array Is Sorted and RotatedGoEasy47.6%1816Truncate SentenceGoEasy81.2%1818Minimum Absolute Sum DifferenceGoMedium28.9%1846Maximum Element After Decreasing and RearrangingGoMedium57.6%1877Minimize Maximum Pair Sum in ArrayGoMedium80.7%1984Minimum Difference Between Highest and Lowest of K ScoresGoEasy53.8%2022Convert 1D Array Into 2D ArrayGoEasy59.4%2164Sort Even and Odd Indices IndependentlyGoEasy67.5%2166Design BitsetGoMedium29.1%2170Minimum Operations to Make the Array AlternatingGoMedium32.8%2171Removing Minimum Number of Magic BeansGoMedium40.8%2183Count Array Pairs Divisible by KGoHard26.4%——————————————————————-——-—————-—————————-————-————-

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