2015年12月15日
leetcode 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 c... 阅读全文
posted @ 2015-12-15 11:14 0giant 阅读(150) 评论(0) 推荐(0) 编辑
leetcode Remove Nth Node From End of List
摘要： Given a linked list, remove the nth node from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After ... 阅读全文
posted @ 2015-12-15 09:20 0giant 阅读(168) 评论(0) 推荐(0) 编辑