1Maximum Profit in Job SchedulingHardArrayBinary SearchDynamic Programming
Solve → 2Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 3Maximum Profit in Job SchedulingHardArrayBinary SearchDynamic Programming
Solve → 4Find Maximum Area of a TriangleMediumArrayHash TableMath
Solve → 5Merge IntervalsMediumArraySorting
Solve → 6Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 7Search Suggestions SystemMediumArrayStringBinary Search
Solve → 8Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 9Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 10Shortest BridgeMediumArrayDepth-First SearchBreadth-First Search
Solve → 11House Robber IIMediumArrayDynamic Programming
Solve → 12Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 13Minimum Cost to Make at Least One Valid Path in a GridHardArrayBreadth-First SearchGraph Theory
Solve → 14Group AnagramsMediumArrayHash TableString
Solve → 15Task SchedulerMediumArrayHash TableGreedy
Solve → 16Spiral Matrix IVMediumArrayLinked ListMatrix
Solve → 17Count Non Decreasing Arrays With Given Digit SumsHardArrayDynamic ProgrammingPrefix Sum
Solve → 18Find Maximum Area of a TriangleMediumArrayHash TableMath
Solve → 19Merge IntervalsMediumArraySorting
Solve → 20Insert Delete GetRandom O(1)MediumArrayHash TableMath
Solve → 21Search Suggestions SystemMediumArrayStringBinary Search
Solve → 22Top K Frequent ElementsMediumArrayHash TableDivide and Conquer
Solve → 23Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 24Group AnagramsMediumArrayHash TableString
Solve → 25Shortest BridgeMediumArrayDepth-First SearchBreadth-First Search
Solve → 26House Robber IIMediumArrayDynamic Programming
Solve → 27Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 28Minimum Cost to Make at Least One Valid Path in a GridHardArrayBreadth-First SearchGraph Theory
Solve → 29Task SchedulerMediumArrayHash TableGreedy
Solve → 30Spiral Matrix IVMediumArrayLinked ListMatrix
Solve → 31Find All Possible Recipes from Given SuppliesMediumArrayHash TableString
Solve → 32Trapping Rain WaterHardArrayTwo PointersDynamic Programming
Solve → 33Maximum Profit in Job SchedulingHardArrayBinary SearchDynamic Programming
Solve → 34Find Peak ElementMediumArrayBinary Search
Solve → 35Accounts MergeMediumArrayHash TableString
Solve →