1Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 2Analyze User Website Visit PatternMediumArrayHash TableString
Solve → 3Squares of a Sorted ArrayEasyArrayTwo PointersSorting
Solve → 4Group AnagramsMediumArrayHash TableString
Solve → 5Search a 2D Matrix IIMediumArrayBinary SearchDivide and Conquer
Solve → 6Word SearchMediumArrayStringBacktracking
Solve → 7Maximal SquareMediumArrayDynamic ProgrammingMatrix
Solve → 8Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 9Number of IslandsMediumArrayDepth-First SearchBreadth-First Search
Solve → 10Squares of a Sorted ArrayEasyArrayTwo PointersSorting
Solve → 11Analyze User Website Visit PatternMediumArrayHash TableString
Solve → 12Group AnagramsMediumArrayHash TableString
Solve → 13Search a 2D Matrix IIMediumArrayBinary SearchDivide and Conquer
Solve → 14Word SearchMediumArrayStringBacktracking
Solve → 15Maximal SquareMediumArrayDynamic ProgrammingMatrix
Solve → 16Meeting Rooms IIMediumArrayTwo PointersGreedy
Solve → 17K Closest Points to OriginMediumArrayMathDivide and Conquer
Solve →