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自己想的算法,不幸AC了每次选择都会在原有的序列中截去五个单位空格,或是在边缘截去3到5的单位空格,后手只能在剩下来的空格中选择,这样就找了每个状态的后继,继而就能写出sg函数了 Followed by: Post your reply here: |
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