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还行, 不是特别紧, 1秒钟可以.

Posted by mmd at 2008-02-15 16:51:36 on Problem 3514
In Reply To:这个题似乎也时限很紧,麻烦admin看一看。谢谢 Posted by:Sudoku at 2008-02-15 15:54:56


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