Rooks and Rectangles
Polycarpus has a chessboard of size n × m, where k rooks are placed. Polycarpus hasn’t yet invented the rules of the game he will play. However, he has already […]
Rooks
Polycarpus has a chessboard of size n × m, where k rooks are placed. Polycarpus hasn’t yet invented the rules of the game he will play. However, he has already […]