postorder

二叉树重建 - （先序遍历、中序遍历、后序遍历）

的左子树)+PreOrder(T的右子树)）      2、中序遍历 （InOrder(T)= InOrder(T的左子树)+T的根节点+ InOrder(T的右子树)）      3、后序遍历  （PostOrder
luomingjun12315·2015-04-23 09:00

leetcode || 106、Construct Binary Tree from Inorder and Postorder Traversal

problem：Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.HideTags Tree Array Depth-firstSearch题意：给定二叉树的中序遍历序列和后续遍历序列，构建这棵二叉树，也很经典think
hustyangju·2015-04-23 09:00

Construct Binary Tree from Inorder and Postorder Traversal

题目链接：ConstructBinaryTreefromInorderandPostorderTraversalGiveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.这道题的要求是通过二叉树的中序遍历和后序遍历结果构建二叉树
makuiyu·2015-04-17 16:00

LeetCode 105/106 Construct Binary Tree from Preorder/Postorder and Inorder Traversal

一：LeetCode105 ConstructBinaryTreefromPreorderandInorderTraversal题目：Givenpreorderandinordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.链接：https://leetcode
Lu597203933·2015-04-12 13:00

[leetcode]Binary Tree Postorder Traversal

题目分析：非递归实现对一颗树的后序遍历，可以用栈实现。贴一下思路：树根入栈; while(栈不空) { if(栈顶节点有左儿子) { 栈顶节点左儿子入栈; 原栈顶节点左儿子置空; } elseif(栈顶节点有右儿子) { 栈顶节点右儿子入栈; 原栈顶节点右儿子置空;}}else{打印栈顶节点;弹栈;}}
weshjiness·2015-04-05 15:00

[LeetCode] Binary Tree Postorder Traversal

BinaryTreePostorderTraversalGivenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample
wangshaner1·2015-04-05 14:00

leetcode_106_Construct Binary Tree from Inorder and Postorder Traversal

描述：Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.思路：1.将中序遍历序列和其对应的下标存储到一个map中，方便下面的查找2.递归选取后序序列的倒数第一个元素作为树的根节点，然后查找根节点在后序序列中位置inord
dfb198998·2015-04-03 14:00

[LeetCode] Construct Binary Tree from Inorder and Postorder Traversal

ConstructBinaryTreefromInorderandPostorderTraversalGiveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.解题思路：可以用递归的办法做。由后序遍历确定根节点，有中序遍历确定左
wangshaner1·2015-04-03 01:00

leetcode:Binary Tree Postorder Traversal

classSolution{ public: vectorpostorderTraversal(TreeNode*root){ vectorres; stack>s; TreeNode*p=root; while(p!=NULL||!s.empty()) { while(p) { s.push(pair(p,1)); p=p->left; } pairq=s.top(); s.pop(); if(
majing19921103·2015-04-02 16:00

[leetcode]Construct Binary Tree from Inorder and Postorder Traversal - java

根据后序集合找到根，再根据根，在中序集合中找到索引号，采用递归的构建子树的方法 /** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int
blue2048·2015-03-26 18:00

[leetcode]Construct Binary Tree from Inorder and Postorder Traversal - java

根据后序集合找到根，再根据根，在中序集合中找到索引号，采用递归的构建子树的方法 /** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int
blue2048·2015-03-26 18:00

[leetcode]Construct Binary Tree from Inorder and Postorder Traversal - java

根据后序集合找到根，再根据根，在中序集合中找到索引号，采用递归的构建子树的方法 /** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int
blue2048·2015-03-26 18:00

leetcode_145_Binary Tree Postorder Traversal

描述：Givenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3
dfb198998·2015-03-25 08:00

*LeetCode-Binary Tree Postorder Traversal

preorder是root－left－right，postorder是left－right－root。
bsbcarter·2015-03-08 00:00

*LeetCode-Binary Tree Preorder Traversal

preorder,inorder,postorder都属于dfs“第一种是以图的深度优先搜索为原型的遍历，可以是中序，先序和后序三种方式，不过结点遍历的方式是相同的，只是访问的时间点不同而已，对应于BinaryTreeInorderTraversal
bsbcarter·2015-03-08 00:00

数据结构之树和二叉树实现

二叉树二叉树的抽象数据类型的接口定义public interface BinaryTree{final String []mode={"preOrder","inOrder","postOrder","
secondscript·2015-03-04 12:12

数据结构之树和二叉树实现

二叉树二叉树的抽象数据类型的接口定义public interface BinaryTree { final String []mode={"preOrder","inOrder","postOrder"
secondscript·2015-03-04 12:12

删除一颗二叉树

Todeleteatreewemusttraverseallthenodesofthetreeanddeletethemonebyone.Sowhichtraversalweshoulduse–InorderorPreorderorPostorder.Answerissimple–Postorder
lintong·2015-02-28 13:42

已知一颗二叉树S的前序遍历和中序遍历 序列,请编程输出二叉树S的后续遍历序列.

#include#include//在中序中查找根的下标intFindRoot(charc,charin[],ints,inte){inti;for(i=s;i0)//左子树节点数不为0{PostOrder
Tmac柴·2015-02-25 14:23

[LeetCode] Binary Tree Postorder Traversal

Givenabinarytree,returnthepostordertraversalofitsnodes’values.Forexample:Givenbinarytree{1,#,2,3},return[3,2,1].Note:Recursivesolutionistrivial,couldyoudoititeratively?递归实现代码/*************************
u011331383·2015-02-24 02:00

[LeetCode] Construct Binary Tree from Inorder and Postorder Traversal 由中序和后序遍历建立二叉树

  Given inorder and postorder traversal of a tree, construct the binary tree.
·2015-02-19 17:00

[LeetCode] Binary Tree Postorder Traversal 二叉树的后序遍历

  Given a binary tree, return the postorder traversal of its nodes' values.
·2015-01-27 00:00

Lettcode_145_Binary Tree Postorder Traversal

本文是在学习中的总结，欢迎转载但请注明出处：http://blog.csdn.net/pistolove/article/details/42876769Givenabinarytree,returnthe postorder
pistolove·2015-01-19 18:00

LeetCode Construct Binary Tree from Inorder and Postorder Traversal

题目Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree. 根据中序遍历和后续遍历构建树。后续遍历某子树的最后一个元素是该子树的根，在中序遍历中寻找相应元素，之前的元素在左子树上，之后的在右子树上。根据数量对后序遍历序列进行
xyzchenzd·2015-01-08 13:00

[LeetCode]106 Construct Binary Tree from Inorder and Postorder Traversal

https://oj.leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/http://blog.csdn.net
furuijie8679·2015-01-06 11:41

Binary Tree Postorder Traversal

Givenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3},
havedream_one·2015-01-04 08:00

[LeetCode]145 Binary Tree Postorder Traversal

https://oj.leetcode.com/problems/binary-tree-postorder-traversal/http://blog.csdn.net/linhuanmars/article
furuijie8679·2015-01-02 06:28

Binary Tree Postorder Traversal --leetcode

原题链接：https://oj.leetcode.com/problems/binary-tree-postorder-traversal/题目大意：后序遍历二叉树解题思路：后序遍历二叉树的步骤：后序遍历二叉树的左子树
u010367506·2014-12-16 10:00

[LeetCode] Nonrecursive postorder traversal 非递归后续遍历

简单的做法是，用一个栈来保存遍历时的节点，用另外一个栈保存经过节点的次数。下面的算法不需要节点次数的栈。翻译自：http://leetcode.com/2010/10/binary-tree-post-order-traversal.htmlWeusea prev variabletokeeptrackofthepreviously-traversednode.Let’sassume curr i
jiyanfeng1·2014-12-09 01:00

[LeetCode]145.Binary Tree Postorder Traversal

【题目】Givenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3
SunnyYoona·2014-12-07 17:00

[LeetCode]Construct Binary Tree from Inorder and Postorder Traversal

Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.基本思想和知道前序与中序的思想一样，中序的某一节点的左节点一定是该节点的左子树，而后序遍历的某一节点的左节点一定是该节点的右子树，然后递归/** *Definitionf
u014691362·2014-12-05 15:00

[C++]LeetCode: 38 Construct Binary Tree from Inorder and Postorder Traversal

题目：Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.Anwser1: 递归法思路解析：可以参考《ConstructBinaryTreefromPreorderandInorderTraversal》Attention
cinderella_niu·2014-12-02 09:00

[leetcode] Construct binary tree from inorder and postorder traversal

Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.postorder
yjlichunyu·2014-11-28 22:04

【LeetCode】Construct Binary Tree from Inorder and Postorder Traversal 解题报告

【题目】Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.【解析】题意：根据二叉树中序遍历和后序遍历的结果，构造该二叉树。参照 根据先序遍历和中序遍历结果构造二叉树。首先明确一下，中序遍历顺序：left-root-rig
ljiabin·2014-11-27 09:00

【leetcode 后序遍历】Binary Tree Postorder Traversal

1、题目Givenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3
u012162613·2014-11-13 22:00

[leetcode]Binary Tree Postorder Traversal-二叉树后续遍历 java

注意以下几项 1. 输入若为NULL，返回空列表，而不是NULL，题目没有说清楚   /** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x
blue2048·2014-10-22 13:00

[leetcode]Binary Tree Postorder Traversal-二叉树后续遍历 java

注意以下几项 1. 输入若为NULL，返回空列表，而不是NULL，题目没有说清楚   /** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x
blue2048·2014-10-22 13:00

【LeetCode】Binary Tree Postorder Traversal

 使用迭代的版本：#include  /**  * Definition for binary tree  * struct TreeNode {  *     int val;  *     TreeNode *left;  *     TreeNode *right;  *     TreeNode(int x) : val(x), left(NULL), right(NULL) {}  *
闵启阳·2014-10-10 14:00

LeetCode Binary Tree Postorder Traversal

https://oj.leetcode.com/problems/binary-tree-postorder-traversal/  这个题目是用迭代的方式对树进行后根遍历，需要记录一个一个节点是否左右两个子树都已经遍历过了
hechenghai·2014-09-29 10:00

利用二叉树的中序遍历和后序遍历序列构造一个二叉树Search results for Construct Binary Tree from Inorder and Postorder Traversa

先来看看最简单的三个元素的情况：中序遍历inorder的序列为：BAC后序遍历postorde的序列为：BCA为了构造这颗二叉树，我们分三步走：（1）找root结点。利用后序遍历序列。由后续序列我们很容易得到这颗二叉树的root为A。（2）找root的左子树。利用中序遍历序列。在中序序列中找到root结点A，A的左边的序列B就是root的左子树。（3）找root的右子树。同样利用中序遍历序列。在中
bdss58·2014-09-16 16:00

LeetCode——Construct Binary Tree from Inorder and Postorder Traversal

Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.原题链接：https://oj.leetcode.com/problems/construct-binary-tree-from-inorder-and-postorde
ozhaohuafei·2014-09-14 11:00

Leetcode dfs Construct Binary Tree from Inorder and Postorder Traversal

ConstructBinaryTreefromInorderandPostorderTraversal TotalAccepted: 14363 TotalSubmissions: 54254MySubmissionsGiveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplic
zhsenl·2014-09-11 07:00

LeetCode-Binary Tree Postorder Traversal

题目：https://oj.leetcode.com/problems/binary-tree-postorder-traversal/Givenabinarytree,returnthe postorder
xin_jmail·2014-09-07 21:00

Leetcode bfs&dfs Binary Tree Postorder Traversal II

BinaryTreeLevelOrderTraversalII TotalAccepted: 16983 TotalSubmissions: 54229MySubmissionsGivenabinarytree,returnthe bottom-uplevelorder traversalofitsnodes'values.(ie,fromlefttoright,levelbylevelfroml
zhsenl·2014-09-05 16:00

Leetcode dfs Binary Tree Postorder Traversal

BinaryTreePostorderTraversal TotalAccepted: 28560 TotalSubmissions: 92333MySubmissionsGivenabinarytree,returnthe postorder
zhsenl·2014-09-05 16:00

LeetCode 46 Construct Binary Tree from Inorder and Postorder Traversal

Giveninorderandpostordertraversalofatree,constructthebinarytree.NOTE:Youmayassumethatduplicatesdonotexistinthetree.分析：后序遍历，最后一个元素就是root，因为没有重复元素，遍历中序数组，找到root位置，把中序分成两半，再根据中序长度，把后序分成两半，递归得建立二叉树。/** *D
ustc_summer·2014-08-31 10:00

LeetCode 7 Binary Tree Postorder Traversal

Givenabinarytree,returnthepostordertraversalofitsnodes'values.分析：递归解法比较直观。/** *Definitionforbinarytree *publicclassTreeNode{ *intval; *TreeNodeleft; *TreeNoderight; *TreeNode(intx){val=x;} *} */ publi
ustc_summer·2014-08-20 18:00

LeetCode题目详解——Binary Tree Postorder Traversal

 Givenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3}
asiaLIYAZHOU·2014-08-17 15:00

先序+中序和中序+后序建树

classSolution{ public: /*由于是oj，这里假设给的序列是合法的，正常情况是需要判断不合法情况的*/ TreeNode*buildTree(vector&inorder,vector&postorder
fangjian1204·2014-08-11 18:00

UVA 548 Tree

#include intmin,leaf; inttree(introot,int*inorder,int*postorder,intsum){ if(root==-1)//判断是否无左子结点或右子结点
kl28978113·2014-08-07 10:00
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