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Re:用这个题的思路 :) http://acm.pku.edu.cn/JudgeOnline/problem?id=2559

Posted by sss868 at 2008-02-02 14:17:12 on Problem 3494
In Reply To:Re:用这个题的思路 :) http://acm.pku.edu.cn/JudgeOnline/problem?id=2559 Posted by:Bark at 2008-02-02 11:18:48

> 
> 谢谢Sempr提示，593MS水过，O(n^2)的算法，
> 不知那些100多MS的是怎么写得，难道此题有O(n)的算法吗？


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