1Destination CityEasyArrayHash TableString
Solve → 2Filter Restaurants by Vegan-Friendly, Price and DistanceMediumArraySorting
Solve → 4Longest Common PrefixEasyArrayStringTrie
Solve → 5Minimum Index Sum of Two ListsEasyArrayHash TableString
Solve → 6The Skyline ProblemHardArrayDivide and ConquerBinary Indexed Tree
Solve → 7Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 8Group AnagramsMediumArrayHash TableString
Solve → 9Top K Frequent WordsMediumArrayHash TableString
Solve → 10Merge IntervalsMediumArraySorting
Solve → 11Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 12Insert Delete GetRandom O(1) - Duplicates allowedHardArrayHash TableMath
Solve → 13Destination CityEasyArrayHash TableString
Solve → 14Filter Restaurants by Vegan-Friendly, Price and DistanceMediumArraySorting
Solve → 15Two SumEasyArrayHash Table
Solve → 16Longest Common PrefixEasyArrayStringTrie
Solve → 17Group AnagramsMediumArrayHash TableString
Solve → 18Merge IntervalsMediumArraySorting
Solve → 19The Skyline ProblemHardArrayDivide and ConquerBinary Indexed Tree
Solve → 20Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 21Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 22Insert Delete GetRandom O(1) - Duplicates allowedHardArrayHash TableMath
Solve → 23Minimum Index Sum of Two ListsEasyArrayHash TableString
Solve → 24Top K Frequent WordsMediumArrayHash TableString
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