${nim(x)}$ means the nimble value of a individual gamed
the nimble value of a seperate game is the same as the bitwise xor of all nimble values
Sprague-Grundy theory
2023/12/17
加载过慢请开启缓存,浏览器默认开启
${nim(x)}$ means the nimble value of a individual gamed
the nimble value of a seperate game is the same as the bitwise xor of all nimble values