postorder 第12页

Construct Binary Tree from Inorder and Postorder Traversal

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-11-11 15:15

Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-11-11 13:39

Construct Binary Tree from Inorder and Postorder Traversal

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-11-11 13:12

Leetcode: Construct Binary Tree from Inorder and Postorder Traversal

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-11-11 12:44

Leetcode: Binary Tree Postorder Transversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-11-11 12:42

Binary Tree Postorder Traversal ***

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-11-11 07:20

binary tree/tree相关问题 review

review主要包括：inorder， postorder，preorder traversal的iterative version，（recursive比较直接，先不多解释了），level order

·2015-11-11 05:38

[leetcode]Binary Tree Postorder Traversal

后序遍历非递归是三种里面最难的，难处在于要判断是否左右子树都已经访问完毕。有两种方式，一种是用0和1记录当前节点是从左节点返回还是从右节点返回。空间O(n)http://www.cnblogs.com/hicjiajia/archive/2010/08/27/1810055.html另一种是维基百科上的，判断前驱节点是父亲还是左儿子实现的，这种方式稍微省点空间（其实也是O(n))。http://e

·2015-11-11 03:10

[leetcode]Construct Binary Tree from Inorder and Postorder Traversal

public class Solution { public TreeNode buildTree(int[] inorder, int[] postorder) { if

·2015-11-11 03:58

[LeetCode系列] 从中序遍历和后序遍历序列构造二叉树(迭代解法)

给定中序遍历inorder和后序遍历postorder, 请构造出二叉树. 算法思路: 设后序遍历为po, 中序遍历为io.

·2015-11-11 03:56

Construct Binary Tree from Inorder and Postorder Traversal——LeetCode

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-11-11 01:30

1020. Tree Traversals (序列建树)

Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal

·2015-11-11 00:11

【LEETCODE】106-Construct Binary Tree from Inorder and Postorder Traversal

Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.参考：https://github.com/kamyu104/LeetCode/blob/master/Python/construct-binary-tree-from

aliceyangxi1987·2015-11-10 11:00

LeetCode Construct Binary Tree from Inorder and Postorder Traversal

Solution { public: TreeNode *buildTree(vector<int> &inorder, vector<int> &postorder

·2015-11-09 14:44

Construct Binary Tree from Inorder and Postorder Traversal

Construct Binary Tree from Inorder and Postorder Traversal Given inorder and postorder traversal of

·2015-11-09 13:03

Leetcode#106 Construct Binary Tree from Inorder and Postorder Traversal

原题地址二叉树基本操作 [ ]O[ ] [ ][ ]O 代码： 1 Tree

·2015-11-09 12:51

Leetcode#145 Binary Tree Postorder Traversal

原题地址递归写法谁都会，看看非递归写法。对于二叉树的前序和中序遍历的非递归写法都很简单，只需要一个最普通的栈即可实现，唯独后续遍历有点麻烦，如果不借助额外变量没法记住究竟遍历了几个儿子。所以，最直接的想法就是在栈中记录到底遍历了几个儿子。代码： 1 vector<int> postorderTraversal(TreeNode *roo

·2015-11-09 12:43

Binary Tree Postorder Traversal (3 solutions)

Binary Tree Postorder Traversal Given a binary tree, return the postorder traversal of its

·2015-11-08 11:46

非递归后序遍历二叉树（1）

1 void postOrder3(BinTree *root) //非递归后序遍历 2 { 3 stack<BinTree*> s; 4 BinTree

·2015-11-07 15:23

[leedcode 145] Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-11-07 12:41

Binary Tree Postorder Traversal

Binary Tree Postorder Traversal 问题： Given a binary tree, return the postorder traversal

·2015-11-07 09:09

Construct Binary Tree from Inorder and Postorder Traversal

Construct Binary Tree from Inorder and Postorder Traversal 问题：　　Given inorder and postorder traversal

·2015-11-07 09:48

LeetCode -- Binary Tree Postorder Traversal

题目描述：Givenabinarytree,returnthepostordertraversalofitsnodes'values.Forexample:Givenbinarytree{1,#,2,3}, 1 \ 2 / 3return[3,2,1].就是二叉树的后序遍历。思路：后序遍历的顺序-左右根，直接使用递归实现就可以了。实现代码： /** *Definitionforabin

csharp25·2015-11-03 19:00

【LEETCODE】145-Binary Tree Postorder Traversal

Givenabinarytree,returnthepostordertraversalofitsnodes'values.Forexample:Givenbinarytree{1,#,2,3}, 1 \ 2 / 3return[3,2,1].Note:Recursivesolutionistrivial,couldyoudoititeratively?参考：http://booksh

aliceyangxi1987·2015-11-03 11:00

Leetcode 145 Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-11-02 19:26

LeetCode Binary Tree Postorder Traversal

/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ cla

·2015-11-02 19:57

【leetcode】Construct Binary Tree from Inorder and Postorder Traversal

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-11-02 14:20

PAT 1043 二叉查找树

namespace std; const int SIZE = 5000; int g_preOrder[SIZE]; int g_preOrderImg[SIZE]; int g_postOrder

·2015-11-01 16:53

Construct Binary Tree from Inorder and Postorder Traversal

跟另一道题一样，不多说了 public class Solution { public TreeNode buildTree(int[] inorder, int[] postorder)

·2015-10-31 17:09

Binary Tree Postorder Traversal

http://bookshadow.com/weblog/2015/01/19/leetcode-binary-tree-postorder-traversal/ http://bookshadow.com

·2015-10-31 12:44

Construct Binary Tree from Inorder and Postorder Traversal

Description: Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-10-31 12:57

【原】 POJ 2159 Tree Recovery 解题报告

id=2255 方法：根据preorder和inorder构造postorder 例如preorder:DBACEGF inorder:ABCDEFG

·2015-10-31 11:39

Construct Binary Tree from Inorder and Postorder Traversal

https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/ Given inorder

·2015-10-31 11:42

二叉树有先序遍历和中序遍历，构造出后序遍历

1 /* 2 a是前序序列 3 b是中序序列 4 后序序列将保存在c中 5 */ 6 void PostOrder(const char a[], const

·2015-10-31 11:51

循序渐进学习 Ajax 的途径[收集]

t=13822&postdays=0&postorder=asc&start=0 现

·2015-10-31 11:10

LeetCode145：Binary Tree Postorder Traversal

题目： Given a binary tree, return the postorder traversal of its nodes' values.

·2015-10-31 11:09

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

Given inorder and postorder traversal of a tree, construct the binary tree.

·2015-10-31 10:03

leetcode[145]Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-10-31 10:59

Binary Tree Postorder Traversal

https://leetcode.com/problems/binary-tree-postorder-traversal/ Given a binary tree, return the

·2015-10-31 10:49

LeetCode - Binary Tree Postorder Traversal

Binary Tree Postorder Traversal 2014.1.14 21:17 Given a binary tree, return the postorder

·2015-10-31 10:04

【leetcode】Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-10-31 10:38

Binary Tree Postorder Traversal

Summary: Basic staff, need to check if goes up along the tree, that's the difference to pre-order traverse. 1 vector<int> postorderTraversal(TreeNode *root) { 2 vector<int>

·2015-10-31 09:23

[LeetCode] Binary Tree Postorder Traversal dfs,深度搜索

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-10-31 09:21

LeetCode - Construct Binary Tree from Inorder and Postorder Traversal

Construct Binary Tree from Inorder and Postorder Traversal 2014.1.8 01:16 Given inorder and postorder

·2015-10-31 09:16

leetcode_145题——Binary Tree Postorder Traversal（二叉树，递归，栈的应用）

Given a binary tree, return the postorder traversal of its nodes' values.

·2015-10-31 09:33

LeetCode:Construct Binary Tree from Inorder and Postorder Traversal

要求：根据中序和后序遍历序列构建一棵二叉树代码如下： 1 struct TreeNode { 2 int val; 3 TreeNode *left; 4 TreeNode *right; 5 TreeNode(int x): val(x),left(NULL), right(NULL) {} 6 };

·2015-10-30 14:26

LeetCode：Binary Tree Postorder Traversal

题目：Binary Tree Postorder Traversal 二叉树的后序遍历，题目要求是采用非递归的方式，这个在上数据结构的课时已经很清楚了，二叉树的非递归遍历不管采用何种方式，都需要用到栈结构作为中转

·2015-10-30 14:24

【PAT】1020. Tree Traversals (25)

Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal

·2015-10-30 13:34

LeetCode----Binary Tree Postorder Traversal

BinaryTreePostorderTraversalGivenabinarytree,returnthe postorder traversalofitsnodes'values.Forexample

whiterbear·2015-10-30 12:00

二叉树的后序遍历

否则 1）后序遍历右子树；2）后序遍历左子树；3）遍历根节点代码： void PostOrder(BiTree root) { if(root==NULL)

·2015-10-30 10:22

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Construct Binary Tree from Inorder and Postorder Traversal

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【原】 POJ 2159 Tree Recovery 解题报告

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