2016年10月28日
LeetCode 387 First Unique Character in a String
摘要： Problem: Given a string, find the first non-repeating character in it and return its index. If it doesn't exist, return -1. Examples: Summary: 找到字符串中第 阅读全文
posted @ 2016-10-28 23:54 SillyVicky 阅读(148) 评论(0) 推荐(0)