Programming VIP

Title portal General idea of the topic Title Description In a distant country, there are beautiful lakes on one side and boundless deserts on the other. The administrative division of the country is very special, just forming a rectangle with \ (N \) rows \ (\ times M \) columns, as shown in the above figure. Each grid represents a city, and ea ...

Mobile gold Title Link: luogu P5363 General idea of the topic Give you a 1*n chessboard, and then there are m things at the beginning. Each time two people operate in turn, you can choose one thing to move to the left. (can't fly out of the grid, can't cross anything else) Then who can't move and lose, and then ask how many initial situations y ...