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Recursion/Branch and Bound
Maximum User Solved
Minimum User Solved
Difficulty Easy to Hard
Difficulty Hard to Easy
LightOJ ID Ascending
LightOJ ID Descending
Backtracking with Pruning/Branch and Bound
Basic Recursion
IDA* Search
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Discovering Permutations
LOJ-1023
Medium
Solved by: 2555
Success rate: 60.98%
Solve
N Queen Again
LOJ-1061
Medium Hard
Solved by: 286
Success rate: 66.30%
Solve
The Fastest Sorting Ever!
LOJ-1091
Hard
Solved by: 84
Success rate: 51.32%
Solve
15 Puzzle
LOJ-1121
Hard
Solved by: 74
Success rate: 19.63%
Solve
8 Puzzle
LOJ-1139
Hard
Solved by: 127
Success rate: 46.12%
Solve
Knights in FEN
LOJ-1143
Hard
Solved by: 46
Success rate: 17.95%
Solve
Jaguar King
LOJ-1386
Hard
Solved by: 18
Success rate: 25.27%
Solve
Sudoku Solver
LOJ-1397
Hard
Solved by: 227
Success rate: 21.86%
Solve
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