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Re:这题的公式怎么推出来的？

Posted by uni at 2005-04-12 13:45:08 on Problem 1067
In Reply To:Re:这题的公式怎么推出来的？ Posted by:noskill at 2005-04-04 23:49:33 
> 厉害！^_^
小强的算法更简单，用划分，O（1）的算法就出来了
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