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不存在...

Posted by arena_zp at 2008-09-06 16:53:24 on Problem 2723
In Reply To:WA 到囧了... 有没有这种数据啊,某个门需要的钥匙不在 0,..., 2*N-1 内??? Posted by:arena_zp at 2008-09-06 15:27:34


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