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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: 2427
Success rate: 60.88%
Solve
N Queen Again
LOJ-1061
Medium Hard
Solved by: 271
Success rate: 68.12%
Solve
The Fastest Sorting Ever!
LOJ-1091
Hard
Solved by: 82
Success rate: 54.29%
Solve
15 Puzzle
LOJ-1121
Hard
Solved by: 72
Success rate: 19.55%
Solve
8 Puzzle
LOJ-1139
Hard
Solved by: 124
Success rate: 46.27%
Solve
Knights in FEN
LOJ-1143
Hard
Solved by: 45
Success rate: 17.96%
Solve
Jaguar King
LOJ-1386
Hard
Solved by: 17
Success rate: 25.29%
Solve
Sudoku Solver
LOJ-1397
Hard
Solved by: 218
Success rate: 21.67%
Solve
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