P4018 Roy&October之取石子

# Thanks
by Ikari_Shinji @ 2018-11-02 19:57:29


蒟蒻想知道为什么
by 灵光一闪 @ 2018-11-02 20:55:37


请@我
by 灵光一闪 @ 2018-11-02 20:55:50


@[mabangjie](/space/show?uid=103112) and n%6==4
by dsjkafdsaf @ 2018-11-02 21:17:11


可以算出来(O(∩_∩)O哈哈~)
by mabangjie @ 2018-11-03 23:12:50


考古 ~~同求为什么~~
by 忘别 @ 2020-01-03 18:43:08


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