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恩……他的问题已经解决了,是数组没开够。那个公式很容易推出来的。

Posted by tdzl2003 at 2006-02-04 22:11:14 on Problem 1781
In Reply To:按公式来算为什么WA了? Posted by:oeym at 2006-02-04 11:47:14
> 555

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