King and a Lot of Rooks
Logic
Level
1
What is the most number of white rooks that can be placed on a chessboard in such a way that a black king, also placed on the board, is not under attack?
The king may be placed anywhere on the \(8\times 8\) board.
Bonus: Generalize it for an \(m\times n\) chessboard.
by
Mateo Matijasevick