摘要: //得到一个字符串@“absdfasdfsdfdsafsd....”所有的排列 length!/((相同项)!*(相同项)!)-(int )numberOfstring:(NSString*)str // NSString *str =@"adfsadfasdfasdfsadfsdaxfg... 阅读全文
posted @ 2015-05-14 11:01 Qiang zi 阅读(165) 评论(0) 推荐(0)