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Re:这题的公式怎么推出来的?

Posted by xyjian at 2005-08-14 23:12:51 on Problem 1067
In Reply To:Re:这题的公式怎么推出来的? Posted by:uni at 2005-04-12 13:45:08
> 小强的算法更简单,用划分,O(1)的算法就出来了

请问怎么用划分做的?

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