2017年3月9日
387. First Unique Character in a String
摘要： Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: C++(106ms): 使用unordered_ 阅读全文
posted @ 2017-03-09 17:17 __Meng 阅读(184) 评论(0) 推荐(0) 编辑