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Re:这样不就ACle

Posted by caoyuanfeng at 2008-06-24 15:07:49 on Problem 1664 and last updated at 2008-06-24 15:09:42
In Reply To:这样不就ACle Posted by:georgezhang at 2007-09-11 02:39:11
有不通过列举解得吗,用公式什么的

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