2017年9月17日

Leetcode c语言-Valid Parentheses

摘要： Title:Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The bracke... 阅读全文

posted @ 2017-09-17 22:46 sichenzhao 阅读(145) 评论(0) 推荐(0) 编辑

Leetcode c语言-Remove Nth Node From End of List

摘要： Title: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->... 阅读全文

posted @ 2017-09-17 19:07 sichenzhao 阅读(120) 评论(0) 推荐(0) 编辑

Leetcode c语言-4Sum

摘要： Title:Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadrup... 阅读全文

posted @ 2017-09-17 13:01 sichenzhao 阅读(123) 评论(0) 推荐(0) 编辑

导航