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Flatten Binary Tree to Linked List leetcode java
题目:Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flatten...
分类:编程语言   时间:2014-07-24 09:55:43    阅读次数:211
PostgreSQL代码分析,查询优化部分,canonicalize_qual
查找重复的OR操作,即化简条件语句,假设WHERE条件为:(A=1 AND B=1) OR (A=1 AND C=1),可以化简为:A=1 AND (B=1 OR C=1),另外,这个函数中做了将树状的AND或OR语句平面化(flatten,或拉平)的工作,这两个工作主要体现在pull_ands()和pull_ors()两个函数中。...
分类:数据库   时间:2014-07-23 13:08:46    阅读次数:276
LeetCode——Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place. For example, Given 1 / 2 5 / \ 3 4 6 The flattened tree should look like: 1...
分类:其他好文   时间:2014-07-19 11:47:54    阅读次数:168
【leetcode刷题笔记】Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
分类:其他好文   时间:2014-07-19 00:24:36    阅读次数:170
Problem Flatten Binary Tree
Problem Description:Given a binary tree, flatten it to a linked list in-place.Solution:对二叉树进行前序遍历(pre-order). 1 public void flatten(TreeNode root) { 2...
分类:其他好文   时间:2014-07-07 18:47:24    阅读次数:306
[Leetcode][Tree][Flatten Binary Tree to Linked List ]
按照前序遍历的顺序把树用right连起来。本来想了半天,一点思路都没有,总觉得Inplace的解法一般都非常巧妙。后来我突发灵感,决定用一个变量记录当前访问到哪个点,真是太机智了~~ 1 /** 2 * Definition for binary tree 3 * struct TreeNode.....
分类:其他好文   时间:2014-07-06 14:02:26    阅读次数:168
Leetcode Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
分类:其他好文   时间:2014-07-03 20:32:55    阅读次数:429
[leetcode] Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place.
分类:其他好文   时间:2014-07-03 13:10:52    阅读次数:204
Flatten Binary Tree to Linked List
题目 Given a binary tree, flatten it to a linked list in-place. For example, Given 1 / 2 5 / \ 3 4 6 The flattened tree should look lik...
分类:其他好文   时间:2014-07-01 08:03:10    阅读次数:127
Flatten Binary Tree to Linked List
题目 Given a binary tree, flatten it to a linked list in-place. For example, Given 1 / 2 5 / \ 3 4 6 The flattened tree should look lik...
分类:其他好文   时间:2014-06-30 18:13:31    阅读次数:229
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