摘要: static char FirstUniqueChar(string str) { if (str== null|| str.Length == 0) { throw new Exception("Input can't be empty"); } char[] chrArr = str.ToCharArray(); Hashtable ht = new Hashtable(); for (int i =... 阅读全文
posted @ 2012-10-25 14:40 Ligeance 阅读(328) 评论(0) 推荐(0) 编辑