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 of the two subtrees of every node never diffe...
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其他好文 时间：
2014-06-19 11:23:05
阅读次数：
204
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
...
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其他好文 时间：
2014-06-15 19:55:39
阅读次数：
191
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
/ 2 2
/ \ / 3 4 4 3
But the f...
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其他好文 时间：
2014-06-15 19:49:35
阅读次数：
176
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 tree and sum
...
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其他好文 时间：
2014-06-15 19:26:23
阅读次数：
207
Given a binary tree, return the postorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [3,2,1].
Note: Recursive solut...
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其他好文 时间：
2014-06-15 19:06:52
阅读次数：
166
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...
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其他好文 时间：
2014-06-15 16:36:40
阅读次数：
209
接上一篇《导出Excel1 - 项目分解篇》，介绍3个子过程。
1. treeADO
说明：把数据表字段转化为Tree结构
声明：procedure treeADO(adoDataSetX:TADODataSet;tvTemplate1:TTreeView);
实现：
proced...
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其他好文 时间：
2014-06-15 15:45:40
阅读次数：
182
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...
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其他好文 时间：
2014-06-15 09:34:35
阅读次数：
226
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down or right at...
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其他好文 时间：
2014-06-13 20:36:56
阅读次数：
280
