1Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 2Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 3Move ZeroesEasyArrayTwo Pointers
Solve → 4Move ZeroesEasyArrayTwo Pointers
Solve → 5Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 7Longest Common PrefixEasyArrayStringTrie
Solve → 8Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 9Group AnagramsMediumArrayHash TableString
Solve → 10Rotate ArrayMediumArrayMathTwo Pointers
Solve → 11Move ZeroesEasyArrayTwo Pointers
Solve → 12Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 13Minimum Operations to Make a Uni-Value GridMediumArrayMathSorting
Solve → 14House RobberMediumArrayDynamic Programming
Solve → 15Partition Equal Subset SumMediumArrayDynamic Programming
Solve → 16Longest Consecutive SequenceMediumArrayHash TableUnion-Find
Solve → 17Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 183SumMediumArrayTwo PointersSorting
Solve → 19Two Sum II - Input Array Is SortedMediumArrayTwo PointersBinary Search
Solve → 20Merge IntervalsMediumArraySorting
Solve → 21Maximum SubarrayMediumArrayDivide and ConquerDynamic Programming
Solve → 22First Missing PositiveHardArrayHash Table
Solve → 23Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 24Kth Largest Element in an ArrayMediumArrayDivide and ConquerSorting
Solve → 25Two SumEasyArrayHash Table
Solve → 26Minimum Operations to Make a Uni-Value GridMediumArrayMathSorting
Solve → 27Longest Common PrefixEasyArrayStringTrie
Solve → 28Move ZeroesEasyArrayTwo Pointers
Solve → 29Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 30Group AnagramsMediumArrayHash TableString
Solve → 31Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 32Rotate ArrayMediumArrayMathTwo Pointers
Solve → 333SumMediumArrayTwo PointersSorting
Solve → 34Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 35House RobberMediumArrayDynamic Programming
Solve → 36Partition Equal Subset SumMediumArrayDynamic Programming
Solve → 37Longest Consecutive SequenceMediumArrayHash TableUnion-Find
Solve → 38Merge IntervalsMediumArraySorting
Solve → 39Two Sum II - Input Array Is SortedMediumArrayTwo PointersBinary Search
Solve → 40Maximum SubarrayMediumArrayDivide and ConquerDynamic Programming
Solve → 41Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 42Kth Largest Element in an ArrayMediumArrayDivide and ConquerSorting
Solve → 43First Missing PositiveHardArrayHash Table
Solve → 44Median of Two Sorted ArraysHardArrayBinary SearchDivide and Conquer
Solve →