1All Paths From Source to TargetMediumBacktrackingDepth-First SearchBreadth-First Search
Solve → 2All Paths From Source to TargetMediumBacktrackingDepth-First SearchBreadth-First Search
Solve → 3CombinationsMediumBacktracking
Solve → 4All Paths From Source to TargetMediumBacktrackingDepth-First SearchBreadth-First Search
Solve → 5N-Queens IIHardBacktracking
Solve → 6CombinationsMediumBacktracking
Solve → 7Path Sum IIMediumBacktrackingTreeDepth-First Search
Solve → 8Binary WatchEasyBacktrackingBit Manipulation
Solve → 9Numbers With Same Consecutive DifferencesMediumBacktrackingBreadth-First Search
Solve → 10Tiling a Rectangle with the Fewest SquaresHardBacktracking
Solve → 11All Paths From Source to TargetMediumBacktrackingDepth-First SearchBreadth-First Search
Solve → 12Path Sum IIMediumBacktrackingTreeDepth-First Search
Solve → 13CombinationsMediumBacktracking
Solve → 14N-Queens IIHardBacktracking
Solve → 15Binary WatchEasyBacktrackingBit Manipulation
Solve → 16Tiling a Rectangle with the Fewest SquaresHardBacktracking
Solve → 17Numbers With Same Consecutive DifferencesMediumBacktrackingBreadth-First Search
Solve →