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SG很好很好

Posted by swust20064469 at 2009-06-11 22:06:59 on Problem 2960
In Reply To:Sprague-Grundy定理 Posted by:20062875 at 2009-05-05 10:15:47
> Sprague-Grundy定理:游戏和的SG函数等于各子游戏SG函数的Nim和(二进制异或)

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