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ME TOO!!!!!!

Posted by howie at 2006-08-18 19:33:06 on Problem 2977
In Reply To:Re:请问这题有什么trap吗?应该是用面的展开做吧? Posted by:zcdln at 2006-08-18 19:31:39
> 我就是用面的展开做的,总是wa,不知道为什么?

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