1Cheapest Flights Within K StopsMediumDynamic ProgrammingDepth-First SearchBreadth-First Search
Solve → 2Binary Tree Maximum Path SumHardDynamic ProgrammingTreeDepth-First Search
Solve → 3Cheapest Flights Within K StopsMediumDynamic ProgrammingDepth-First SearchBreadth-First Search
Solve → 4Knight Probability in ChessboardMediumDynamic Programming
Solve → 5Counting BitsEasyDynamic ProgrammingBit Manipulation
Solve → 6Cheapest Flights Within K StopsMediumDynamic ProgrammingDepth-First SearchBreadth-First Search
Solve → 7Binary Tree Maximum Path SumHardDynamic ProgrammingTreeDepth-First Search
Solve → 8Knight Probability in ChessboardMediumDynamic Programming
Solve → 9Counting BitsEasyDynamic ProgrammingBit Manipulation
Solve →