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Re:这道题什么思路??

Posted by shllhsno1 at 2012-11-13 21:17:59 on Problem 4000
In Reply To:这道题什么思路?? Posted by:19891101 at 2011-12-14 23:56:42
一看到交错的对角图就想到二分匹配。。。

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