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怎么超的时啊？

Posted by blablabla at 2007-02-16 13:02:35 on Problem 1018
In Reply To:这道题怎么做才能不超时啊？ Posted by:ghostcat at 2003-10-23 15:13:46 
> 我的规模是o(n^2)，有没有什么好的方法能减少规模。
> 希望不吝赐教。
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