All problems
Backtracking problems
6 problems: 0 easy, 4 medium and 2 hard. Start at the top; each one assumes the ones above it.
- Not startedMediumEvery arrangement of the letters, each one onceBacktracking, Strings
- Not startedMediumEvery subset, in orderBacktracking, Arrays
- Not startedMediumEvery way the brackets can balanceBacktracking, Strings
- Not startedMediumEvery way to make the targetBacktracking, Arrays
- Not startedHardHow many ways the queens fitBacktracking
- Not startedHardWord search IIBacktracking, Graphs, Tries