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哦,我傻 B 了,这个确实很好找。不好意思打扰大家了。

Posted by ImLazy at 2008-06-18 09:06:35 on Problem 2438 and last updated at 2008-06-18 09:07:08
In Reply To:第一步我就不明白,“用贪心法找到一条极长路”。这条极长路好像有条件的吧。好像是说头和尾两个节点不与该路径以外的任何节点相邻。这条路径怎么找?怎么贪心?任意拿两个节点作为头和尾,一定找得出吗? Posted by:ImLazy at 2008-06-17 14:29:16


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