2013年6月27日
Valid Parentheses
摘要： Q：Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct order,"()"and"()[]{}"are all valid but"(]"and"([)]"are not.A 阅读全文
posted @ 2013-06-27 17:12 summer_zhou 阅读(149) 评论(0) 推荐(0)