2016年9月1日
[LeetCode] NO. 387 First Unique Character in a String
摘要： [题目] 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 assum 阅读全文
posted @ 2016-09-01 22:39 三刀 阅读(169) 评论(0) 推荐(0)