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Re:不知怎的就把你给A了,不过也表示郁闷哪 用了暴力枚举然后二维树状数组求和居然16MS,别人的暴力都0Ms个过了

Posted by slp at 2010-10-11 15:08:46 on Problem 2029
In Reply To:不知怎的就把你给A了,不过也表示郁闷哪 用了暴力枚举然后二维树状数组求和居然16MS,别人的暴力都0Ms个过了 Posted by:yuanchuanshun at 2010-08-26 20:00:18
求树状解法。。。

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