【题目】
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).
For example:
Given binary tree {3,9,20,#,#,15,7},
3
/ 9 20
/ 15 7
return its b...
分类：
其他好文 时间：
2014-06-20 09:42:30
阅读次数：
224
Given a binary tree and a sum, find all root-to-leaf paths where each path's
sum equals the given sum.
For example:
Given the below binary tree and
sum = 22,
5
...
分类：
其他好文 时间：
2014-06-15 19:55:39
阅读次数：
191
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
此题和求二叉树的最短路径几乎一模一样。
public int...
分类：
其他好文 时间：
2014-06-15 16:36:40
阅读次数：
209
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.
For example:
Given the below bin...
分类：
其他好文 时间：
2014-06-15 09:34:35
阅读次数：
226
Path Sum：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 giv...
分类：
其他好文 时间：
2014-06-13 16:09:02
阅读次数：
237
题目
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
方法
使用DFS对树进行遍...
分类：
其他好文 时间：
2014-06-08 10:26:33
阅读次数：
207
题目
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).
For example:
Given binary tree {3,9,20...
分类：
其他好文 时间：
2014-06-08 09:23:34
阅读次数：
230
PathsumDescription: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 equa...
分类：
其他好文 时间：
2014-06-08 01:11:46
阅读次数：
395
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：
2014-06-07 16:55:09
阅读次数：
173
题目
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.
For example:
Given the below binary t...
分类：
其他好文 时间：
2014-06-07 15:31:32
阅读次数：
179
