题目描述：
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Gi...
分类：
其他好文 时间：
2014-12-01 10:12:10
阅读次数：
207
Binary Tree Level Order TraversalGiven a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).Fo...
分类：
其他好文 时间：
2014-11-30 21:18:59
阅读次数：
226
Binary Tree Zigzag Level Order TraversalGiven a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then...
分类：
其他好文 时间：
2014-11-30 18:29:54
阅读次数：
204
Path SumGiven a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the give...
分类：
其他好文 时间：
2014-11-29 15:49:23
阅读次数：
135
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
分类：
其他好文 时间：
2014-11-29 11:37:32
阅读次数：
131
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree {3...
分类：
其他好文 时间：
2014-11-29 07:06:01
阅读次数：
191
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example,Given n = 3, your program should return all...
分类：
其他好文 时间：
2014-11-29 06:47:54
阅读次数：
165
Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,3,2]...
分类：
其他好文 时间：
2014-11-29 06:47:04
阅读次数：
137
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and ...
分类：
其他好文 时间：
2014-11-29 06:40:34
阅读次数：
167
Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example,Given n = 3, there are a total of 5 unique BST'...
分类：
其他好文 时间：
2014-11-29 06:36:51
阅读次数：
160
