2015年11月23日
leetcode Remove Element
摘要： Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat... 阅读全文
posted @ 2015-11-23 19:20 0giant 阅读(150) 评论(0) 推荐(0)
leetcode Symmetric Tree
摘要： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ... 阅读全文
posted @ 2015-11-23 13:58 0giant 阅读(219) 评论(0) 推荐(0)
leetcode 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 @ 2015-11-23 11:08 0giant 阅读(173) 评论(0) 推荐(0)