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Re:要我说堆+dijkstra下界也是O(E)……

Posted by frkstyc at 2009-01-09 22:55:53 on Problem 3013
In Reply To:要我说堆+dijkstra下界也是O(E)…… Posted by:wywcgs at 2009-01-09 16:21:34
> 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。

回想起当年给 Sempr 某个 SSSP 题(题号我记得,大家来猜)造 BFM 的最坏情况数据……
甚是猥琐……

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