HMMT November 2023 E5
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- Answer
On an chessboard, 6 black rooks and white rooks are placed on different cells so that each rook only attacks rooks of the opposite color. Compute the maximum possible value of . (Two rooks attack each other if they are in the same row or column and no rooks are between them.)
Dataset text NuminaMath olympiads. Quoted with source.
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