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那么多人都过了……

Posted by frkstyc at 2006-08-02 18:01:27 on Problem 2455
In Reply To:时间是不是太紧了? Posted by:alpc04 at 2006-08-02 18:00:06
> 我用二分枚举答案再FF做的tle了
> 有什么更好的方法没?

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