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自己想的算法,不幸AC了

Posted by dut200901102 at 2010-10-07 15:43:18 on Problem 3537
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

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