HMMT November 2021 U20
- Guts
- Answer
On a chessboard, a queen attacks every square it can reach by moving from its current square along a row, column, or diagonal without passing through a different square that is occupied by a chess piece. Find the number of ways in which three indistinguishable queens can be placed on an chess board so that each queen attacks both others.
Dataset text NuminaMath olympiads. Quoted with source.
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864
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