2016年8月27日
Leetcode 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: Note: You may assume the 阅读全文
posted @ 2016-08-27 13:14 琴影 阅读(1789) 评论(0) 推荐(1) 编辑