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Re:不是的,是把求每根竖线和横线作为二分图的点。

Posted by arena_zp at 2008-09-30 01:44:24 on Problem 2226
In Reply To:我是先求连通图+对每个连通图的二分匹配。。。为什么是wa呢?! Posted by:highkobe at 2008-09-30 01:11:41
2500 个点的二分图匹配。。 =_=!!!!

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