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这里线性搜索是找不到其他加速方式的,所以线性搜索在这个规模必tle,逼着人去找公式,不过感觉不看题解没什么可能找出公式o(╯□╰)o

Posted by ixor at 2013-02-28 16:53:09 on Problem 1067


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