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其实你还有一处算是优化了的

Posted by rtest at 2011-04-19 22:10:36 on Problem 1118
In Reply To:优化下 Time: 94MS 不知c32ms如何做的,知道的告诉下 Posted by:dawei007 at 2010-04-24 13:32:02
把斜率不存在的单独拿出来算

去掉后125ms

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