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Re:Substitution cipher不一定是按照例子中的方式替换，而是任何一一映射都有可能In Reply To:Substitution cipher不一定是按照例子中的方式替换，而是任何一一映射都有可能 Posted by:blablabla at 2006-10-26 20:36:37 wa多次.Me too. 解释精辟！ 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" Followed by:
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