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经历了RE、WA、PE后终于AC了,谢谢discuss里面的讨论,总结一下错误的地方

Posted by moshucong at 2009-05-11 13:30:19 on Problem 2898
首先是空行是要消除的,消除后行号就变了( WA和RE的原因 )
RE的原因也是没有消除空行,因为选择的那个字母刚好是空格的话就可能陷入无限递归了(看你的程序怎么写了)
输出时空行是不用输出回车键的(PE)

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