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加了个并查集,把和结点1不连通的点去掉,15ms就过了。。

Posted by reve_mj at 2005-09-17 18:27:31 on Problem 2394
In Reply To:晕。。这题就5个TLE,3、4个是我贡献的。。 Posted by:reve at 2005-09-17 18:20:08


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