11 2014 档案

Q2:Reverse Words in a String
摘要：Clarification:What constitutes a word?A sequence of non-space characters constitutes a word.Could the input string contain leading or trailing spaces?... 阅读全文
posted @ 2014-11-26 19:28 学而~ 阅读(424) 评论(0) 推荐(0)
Q1:Valid Parentheses
摘要：Question：Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close... 阅读全文
posted @ 2014-11-19 09:25 学而~ 阅读(170) 评论(0) 推荐(0)