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Re:请问这个题目算法是什么?

Posted by T2 at 2004-08-26 23:15:27 on Problem 1809
In Reply To:请问这个题目算法是什么? Posted by:liketear at 2004-08-26 23:01:27
> 0(N^2)的?

Pay more attention to :“Try to make clever use of this formula”

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