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Re:可以ac,比赛的时候我就是这样过的

Posted by 1050310209 at 2007-08-01 18:52:47 on Problem 3228
In Reply To:可以ac,比赛的时候我就是这样过的 Posted by:mmdcat at 2007-05-05 09:45:37
只长度排序就可以么?
不用算出来任两点的最短路么?

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