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Re:是二分不是蒙~~~~~~

Posted by uni at 2005-04-19 12:24:23 on Problem 2018
In Reply To:是二分不是蒙~~~~~~ Posted by:frkstyc at 2005-04-18 22:30:59
不是减半个!是减去整个,如果能有个大于L的段,而且和还能大于0的话,那么这段的平均值肯定大于那个2分的。这题是DODO想出来的,他一说二分平均值我就懂了~~~痛恨自己那么笨~~~

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