摘要:
Description Georgia and Bob decide to play a self-invented game. They draw a row of grids on paper, number the grids from left to right by 1, 2, 3, .. 阅读全文
摘要:
重点结论:对于一个Nim游戏的局面(a1,a2,...,an),它是P-position当且仅当a1^a2^...^an=0,其中^表示位异或(xor)运算。Nim游戏是博弈论中最经典的模型(之一?),它又有着十分简单的规则和无比优美的结论,由这个游戏开始了解博弈论恐怕是最合适不过了。 Nim游戏是 阅读全文