不要晃荡，找准方向[问题描述]Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected graph serialization:Nodes a...
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其他好文 时间：
2014-10-07 00:20:21
阅读次数：
208
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys less than the node's key.Th...
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其他好文 时间：
2014-10-06 19:32:50
阅读次数：
173
题目：Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the ...
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其他好文 时间：
2014-10-06 18:31:30
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145
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:
Given binary ...
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其他好文 时间：
2014-10-06 16:46:00
阅读次数：
165
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.
/**
* Definition for binary tree
...
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其他好文 时间：
2014-10-06 16:08:40
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181
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间：
2014-10-05 23:28:39
阅读次数：
357
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},
...
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其他好文 时间：
2014-10-05 23:07:59
阅读次数：
214
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.
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这个题剑指offer里也有，简单的递归即可，代码很清晰：...
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其他好文 时间：
2014-10-05 22:56:09
阅读次数：
185
一、题目描述Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.Fo...
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编程语言 时间：
2014-10-04 17:36:36
阅读次数：
207
Minimum Depth of Binary Tree
Total Accepted: 24760 Total
Submissions: 83665My Submissions
Given a binary tree, find its minimum depth.
The minimum depth is the number of nodes along the ...
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其他好文 时间：
2014-10-04 12:50:06
阅读次数：
146
