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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: 2517
Success rate: 61.05%
Solve
N Queen Again
LOJ-1061
Medium Hard
Solved by: 283
Success rate: 66.48%
Solve
The Fastest Sorting Ever!
LOJ-1091
Hard
Solved by: 83
Success rate: 51.06%
Solve
15 Puzzle
LOJ-1121
Hard
Solved by: 73
Success rate: 19.58%
Solve
8 Puzzle
LOJ-1139
Hard
Solved by: 127
Success rate: 46.18%
Solve
Knights in FEN
LOJ-1143
Hard
Solved by: 45
Success rate: 17.79%
Solve
Jaguar King
LOJ-1386
Hard
Solved by: 18
Success rate: 25.27%
Solve
Sudoku Solver
LOJ-1397
Hard
Solved by: 223
Success rate: 21.77%
Solve
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