2014年5月18日
【leetcode】Swap Nodes in Pairs
摘要： Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor... 阅读全文
posted @ 2014-05-18 22:58 SunshineAtNoon 阅读(174) 评论(0) 推荐(0)
【leetcode】Word Ladder
摘要： Given two words (startandend), and a dictionary, find the length of shortest transformation sequence fromstarttoend, such that:Only one letter can be ... 阅读全文
posted @ 2014-05-18 17:44 SunshineAtNoon 阅读(194) 评论(0) 推荐(0)
【leetcode】Copy List with Random Pointer
摘要： A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.Return a deep copy ... 阅读全文
posted @ 2014-05-18 13:12 SunshineAtNoon 阅读(203) 评论(0) 推荐(0)