1Remove Stones to Minimize the TotalMediumArrayGreedyHeap (Priority Queue)
Solve → 2Remove Stones to Minimize the TotalMediumArrayGreedyHeap (Priority Queue)
Solve → 3Sliding Window MaximumHardArrayQueueSliding Window
Solve → 4Group AnagramsMediumArrayHash TableString
Solve → 5Merge IntervalsMediumArraySorting
Solve → 6Find Pivot IndexEasyArrayPrefix Sum
Solve → 7House RobberMediumArrayDynamic Programming
Solve → 8Maximum Area of a Piece of Cake After Horizontal and Vertical CutsMediumArrayGreedySorting
Solve → 9Max Area of IslandMediumArrayDepth-First SearchBreadth-First Search
Solve → 10Find the Smallest Divisor Given a ThresholdMediumArrayBinary Search
Solve → 11Two SumEasyArrayHash Table
Solve → 12Koko Eating BananasMediumArrayBinary Search
Solve → 13Capacity To Ship Packages Within D DaysMediumArrayBinary Search
Solve → 14Maximum Palindromes After OperationsMediumArrayHash TableString
Solve → 15Group AnagramsMediumArrayHash TableString
Solve → 16Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 17Find the Smallest Divisor Given a ThresholdMediumArrayBinary Search
Solve → 18Valid Triangle NumberMediumArrayTwo PointersBinary Search
Solve → 19Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 20Number of Visible People in a QueueHardArrayStackMonotonic Stack
Solve → 21Merge IntervalsMediumArraySorting
Solve → 22Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 23Most Visited Sector in a Circular TrackEasyArraySimulation
Solve → 24Minimum Replacements to Sort the ArrayHardArrayMathGreedy
Solve → 25Minimum Swaps to Group All 1's TogetherMediumArraySliding Window
Solve → 26Divide Players Into Teams of Equal SkillMediumArrayHash TableTwo Pointers
Solve → 27The Earliest Moment When Everyone Become FriendsMediumArrayUnion-FindSorting
Solve → 28Two SumEasyArrayHash Table
Solve → 29Degree of an ArrayEasyArrayHash Table
Solve → 30Container With Most WaterMediumArrayTwo PointersGreedy
Solve → 31Verify Preorder Sequence in Binary Search TreeMediumArrayStackTree
Solve → 32Find Pivot IndexEasyArrayPrefix Sum
Solve → 33Rotting OrangesMediumArrayBreadth-First SearchMatrix
Solve → 34Remove Stones to Minimize the TotalMediumArrayGreedyHeap (Priority Queue)
Solve → 35Find the Smallest Divisor Given a ThresholdMediumArrayBinary Search
Solve → 36Valid Triangle NumberMediumArrayTwo PointersBinary Search
Solve → 37The Earliest Moment When Everyone Become FriendsMediumArrayUnion-FindSorting
Solve → 38Minimum Swaps to Group All 1's TogetherMediumArraySliding Window
Solve → 39Minimum Replacements to Sort the ArrayHardArrayMathGreedy
Solve → 40Divide Players Into Teams of Equal SkillMediumArrayHash TableTwo Pointers
Solve → 41Most Visited Sector in a Circular TrackEasyArraySimulation
Solve → 42Group AnagramsMediumArrayHash TableString
Solve → 43Merge IntervalsMediumArraySorting
Solve → 44Remove Stones to Minimize the TotalMediumArrayGreedyHeap (Priority Queue)
Solve → 45Two SumEasyArrayHash Table
Solve → 46Maximum Palindromes After OperationsMediumArrayHash TableString
Solve → 47Find Pivot IndexEasyArrayPrefix Sum
Solve → 48Sliding Window MaximumHardArrayQueueSliding Window
Solve → 49Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 50House RobberMediumArrayDynamic Programming
Solve → 51Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 52Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 53Number of Visible People in a QueueHardArrayStackMonotonic Stack
Solve → 54Maximum Area of a Piece of Cake After Horizontal and Vertical CutsMediumArrayGreedySorting
Solve → 55Degree of an ArrayEasyArrayHash Table
Solve → 56Rotting OrangesMediumArrayBreadth-First SearchMatrix
Solve → 57Container With Most WaterMediumArrayTwo PointersGreedy
Solve → 58Verify Preorder Sequence in Binary Search TreeMediumArrayStackTree
Solve → 59Minimum Value to Get Positive Step by Step SumEasyArrayPrefix Sum
Solve → 60Maximum Points You Can Obtain from CardsMediumArraySliding WindowPrefix Sum
Solve → 61K-diff Pairs in an ArrayMediumArrayHash TableTwo Pointers
Solve → 62Maximum Number of Events That Can Be AttendedMediumArrayGreedySorting
Solve → 63Max Area of IslandMediumArrayDepth-First SearchBreadth-First Search
Solve → 64Koko Eating BananasMediumArrayBinary Search
Solve → 65Search in Rotated Sorted ArrayMediumArrayBinary Search
Solve → 66Capacity To Ship Packages Within D DaysMediumArrayBinary Search
Solve → 67Palindrome PairsHardArrayHash TableString
Solve → 68Max Consecutive Ones IIIMediumArrayBinary SearchSliding Window
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