1Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 2Longest Increasing SubsequenceMediumArrayBinary SearchDynamic Programming
Solve → 3Number of Distinct IslandsMediumArrayHash TableDepth-First Search
Solve → 4Find First and Last Position of Element in Sorted ArrayMediumArrayBinary Search
Solve → 6Design Circular QueueMediumArrayLinked ListDesign
Solve → 7Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 8Longest Increasing SubsequenceMediumArrayBinary SearchDynamic Programming
Solve → 9Number of Distinct IslandsMediumArrayHash TableDepth-First Search
Solve → 10Find First and Last Position of Element in Sorted ArrayMediumArrayBinary Search
Solve → 11Two SumEasyArrayHash Table
Solve → 12Design Circular QueueMediumArrayLinked ListDesign
Solve → 13Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve →