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不至于吧,题目描述还是很清楚的说。 这题感觉还是挺有意思的,数据出的也比较强。 注意环的长度必须至少为3.

Posted by xuhaoran510 at 2012-02-12 04:15:23 on Problem 3895 and last updated at 2012-02-12 04:15:49
In Reply To:又是阅读理解题! Posted by:checkoj at 2011-04-01 21:27:36
> RT

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