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你说得对,‘_’的确不能出现在开头,我这样改完也AC了

Posted by tog at 2010-05-23 08:56:59 on Problem 3157 and last updated at 2010-05-23 08:57:21
In Reply To:Re:补充 '_'不能出现在开头和结尾.我改成这样就ac了。 Posted by:CCNUhaitun at 2009-07-14 22:06:54


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