摘要：
Euclid's Game Description Two players, Stan and Ollie, play, starting with two natural numbers. Stan, the first player, subtracts any positive multipl 阅读全文
摘要：
A Funny Game Description Alice and Bob decide to play a funny game. At the beginning of the game they pick n(1 <= n <= 106) coins in a circle, as Figu 阅读全文