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Re:Re:貌似官方题解好像会退化,不懂是怎么处理的。。。

Posted by DreamOfGame at 2009-09-08 10:08:57 on Problem 3017
In Reply To:Re:貌似官方题解好像会退化,不懂是怎么处理的。。。 Posted by:stO at 2009-09-07 21:26:32
开始以为是 凹单调性,后来发现 凹单调性是在一个区间范围内的 就没法处理了。。。

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