1Merge IntervalsMediumArraySorting
Solve → 2Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 3Design HashMapEasyArrayHash TableLinked List
Solve → 4Search in Rotated Sorted ArrayMediumArrayBinary Search
Solve → 5Group AnagramsMediumArrayHash TableString
Solve → 6Maximum Profit in Job SchedulingHardArrayBinary SearchDynamic Programming
Solve → 7Merge IntervalsMediumArraySorting
Solve → 8Find the Longest Equal SubarrayMediumArrayHash TableBinary Search
Solve → 9Median of Two Sorted ArraysHardArrayBinary SearchDivide and Conquer
Solve → 10Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 11Top K Frequent WordsMediumArrayHash TableString
Solve → 12Two SumEasyArrayHash Table
Solve → 13Sliding Window MaximumHardArrayQueueSliding Window
Solve → 14Search in Rotated Sorted ArrayMediumArrayBinary Search
Solve → 15Longest Common PrefixEasyArrayStringTrie
Solve → 16Design HashMapEasyArrayHash TableLinked List
Solve → 17Word BreakMediumArrayHash TableString
Solve → 18Meeting RoomsEasyArraySorting
Solve → 19Subarray Sum Equals KMediumArrayHash TablePrefix Sum
Solve → 20Group AnagramsMediumArrayHash TableString
Solve → 21Advantage ShuffleMediumArrayTwo PointersGreedy
Solve → 22Reconstruct ItineraryHardArrayStringDepth-First Search
Solve → 23Find the Longest Equal SubarrayMediumArrayHash TableBinary Search
Solve → 24Group AnagramsMediumArrayHash TableString
Solve → 25Design HashMapEasyArrayHash TableLinked List
Solve → 26Search in Rotated Sorted ArrayMediumArrayBinary Search
Solve → 27Median of Two Sorted ArraysHardArrayBinary SearchDivide and Conquer
Solve → 28Top K Frequent WordsMediumArrayHash TableString
Solve → 29Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 30Longest Common PrefixEasyArrayStringTrie
Solve → 31Subarray Sum Equals KMediumArrayHash TablePrefix Sum
Solve → 32Merge Sorted ArrayEasyArrayTwo PointersSorting
Solve → 33Merge IntervalsMediumArraySorting
Solve → 34Meeting RoomsEasyArraySorting
Solve → 35Word BreakMediumArrayHash TableString
Solve → 36Two SumEasyArrayHash Table
Solve → 37Sliding Window MaximumHardArrayQueueSliding Window
Solve → 38Advantage ShuffleMediumArrayTwo PointersGreedy
Solve → 39Reconstruct ItineraryHardArrayStringDepth-First Search
Solve → 40Koko Eating BananasMediumArrayBinary Search
Solve → 41Maximum Length of a Concatenated String with Unique CharactersMediumArrayStringBacktracking
Solve → 42Maximum Profit in Job SchedulingHardArrayBinary SearchDynamic Programming
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