problem of nontaking rooks

problem of nontaking rooks

[¦präb·ləm əv ¦nän‚tāk·iŋ ′ru̇ks]
(mathematics)
The problem of determining the number of ways that a specified number of rooks can be placed on a chessboard of specified size so that no rook can capture another rook (that is, no two rooks are in same row or in the same column). Also known as rook problem.
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