Valid Parentheses
摘要:
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the 阅读全文
posted @ 2014-09-02 11:21 bug睡的略爽 阅读(140) 评论(0) 推荐(0) 编辑