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Re:这题直接模拟方法是错的

Posted by xwbsw at 2007-10-25 09:18:30 on Problem 3435
In Reply To:这题直接模拟方法是错的 Posted by:boys at 2007-10-25 09:15:16
题目就是要判断当前已有的是否矛盾吧..我昨晚题意一直理解错误...

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