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要我说堆+dijkstra下界也是O(E)……

Posted by wywcgs at 2009-01-09 16:21:34 on Problem 3013
In Reply To:Re:分明就是dijkstra.....SPFA也是O(VE)吧 Posted by:ghk at 2009-01-09 13:52:32
这么说就没意思了,老拿实际运行结果说事。你知道数据是什么样的?能反应所有情况么?难道真到的关键时刻,比如考试/比赛的时候,也会让你这么顺么?
第一点,一道题拿简单方法混混就过,本来就没多大的意思,基本浪费时间,这样的题不做也罢。
第二点,最短路径这种算法,基本属于不知道就没法混的类型。真遇到的时候,你可不要以为出题人会那这么水的数据来哄你,他们可是很会和选手斗智斗勇的。

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