Ola City Grid N-Queens Placement
Ola City Grid N-Queens Placement
HardRecursion100% accepted
Ola places n driver hubs (queens) on n x n grid so no two hubs threaten each other (no same row, column, or diagonal). Return all distinct solutions as board configurations.
Approach
Solve N-Queens problem: place n queens on n x n board with no conflicts.
Input
1
Output
1
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