2015年8月18日
【LeetCode】141 - Linked List Cycle
摘要： Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?Hide Tags:Linked ListTwo PointersHide Simi... 阅读全文
posted @ 2015-08-18 16:23 irun 阅读(89) 评论(0) 推荐(0)
【LeetCode】142 - Linked List Cycle II
摘要： Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?Sol... 阅读全文
posted @ 2015-08-18 16:22 irun 阅读(185) 评论(0) 推荐(0)
【LeetCode】110 - Balanced Binary Tree
摘要： Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth... 阅读全文
posted @ 2015-08-18 15:07 irun 阅读(138) 评论(0) 推荐(0)