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我也是乱试了好久的……

Posted by frkstyc at 2007-10-20 17:08:24 on Problem 3415
In Reply To:hoho我只是验证下自己的想法。。 Posted by:ACM06060 at 2007-10-20 16:49:36
> 这个题对我来说还是太难了。。想了好几天外加查了好多资料。。。今天终于突破地想到了这个做法。。。。不要鄙视我。。。估计从理论ac到实践ac还有好长一段路要走。。。。。

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