摘要: 1:题目描述 Write a function to find the longest common prefix string amongst an array of strings. 找出字符串数组中最长的公共前缀 2:题目分析 先设定第一个字符串为最长前缀,依次向后比较,将‘最长前缀’一点点截 阅读全文
posted @ 2018-02-01 17:48 vlice 阅读(122) 评论(0) 推荐(0)
摘要: 1:题目描述 Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close 阅读全文
posted @ 2018-02-01 09:46 vlice 阅读(95) 评论(0) 推荐(0)