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一顿坎坷之后终于AC了。

Posted by li4951 at 2010-03-17 19:39:02 on Problem 2377
不知道大牛们怎么写的,对基本的算法我都不是很熟悉,先查prim算法解决生成树的问题,再解决连通性的问题,然后又是重边的考虑。坎坷呀。还是的好好练呀!

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