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就这样

Posted by longpo at 2009-01-13 10:45:49 on Problem 2159
In Reply To:Re:实际题目是两个字符串中出现的字符种类和各次数完全相同就输出"YES" Posted by:lnkm at 2008-07-30 15:14:20 
题目写的含糊
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