Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. Input Specification: Each…

题目描述 Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. 给出一个二叉树的后序遍历序列和中序遍历序列…

[题目] distinct 不同的 postorder 后序的 inorder 中序的 sequence 顺序:次序:系列 traversal 遍历 题目大意:给出二叉树的后序遍历和中序遍历,求层次遍历. [思路] 参见<算法笔记> [AC代码] #include<iostream> #include<queue> using namespace std; #define N 32 struct node { int data; node *lchild, *rchil…

PAT 1086 Tree Traversals Again 题目: An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations ar…

PAT 1020. Tree Traversals Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree.…

1086 Tree Traversals Again(25 分) An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations are:…

1020 Tree Traversals (25)(25 分) Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary…

Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. Input Specification: Each…

Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. Input Specification: Each…

Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. Input Specification: Each…

这是一题二叉树遍历的典型题,告诉我们中序遍历和另外一种遍历序列,然后求任何一种遍历序列. 这题的核心: 建树 BFS #include<bits/stdc++.h> using namespace std; const int MAXN=35; int post[MAXN]; int in[MAXN]; int pre[MAXN]; int n; struct node{ int data; node* lchild; node* rchild; }; node* create(int pos…

Source: PAT A1020 Tree Traversals (25 分) Description: Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the…

Source: PAT A1086 Tree Traversals Again (25 分) Description: An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed…

1020 Tree Traversals (25)(25 分) Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary…

1020. Tree Traversals (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output…

1020 Tree Traversals (25分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tre…

1086 Tree Traversals Again (25分)   An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations ar…

1020 Tree Traversals (25 分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tr…

1020 Tree Traversals (25 分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tr…

1086 Tree Traversals Again An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations are: push(…

1020 Tree Traversals Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tree. Input…

Tree Traversals 原题链接 常见的二叉树遍历的题目,根据后序遍历和中序遍历求层次遍历. 通过后序遍历和中序遍历建立起一棵二叉树,然后层序遍历一下,主要难点在于树的建立,通过中序遍历和后序遍历的特点递归求解,详细内容见代码 #include <iostream> #include <queue> using namespace std; struct TreeNode{ int val; TreeNode* left; TreeNode* right; }; ]; ];…

Binary Tree Traversals Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4330    Accepted Submission(s): 1970 Problem Description A binary tree is a finite set of vertices that is either empty or…

Binary Tree Traversals Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3475    Accepted Submission(s): 1555 Problem Description A binary tree is a finite set of vertices that is either empty or…

HDU1710Binary Tree Traversals 题目大意:给一个树的前序遍历和中序遍历,要求输出后序遍历. (半年前做这道题做了两天没看懂,今天学了二叉树,回来AC了^ ^) 首先介绍一下二叉树.二叉,即每个节点最多连向下连两个结点,也就是最多两个孩子. 如题目描述,二叉树就长这样~ 如①②③结点中①是根节点,②是左儿子③是右儿子,其余类似. 前序遍历就是先根节点,然后左儿子,右儿子 中序遍历就是先左儿子,然后根节点,右儿子 后序遍历就是先左儿子,然后右儿子,最后根节点 也就是说前中…

http://acm.hdu.edu.cn/showproblem.php?pid=1710 已知先序和中序遍历,求后序遍历二叉树. 思路:先递归建树的过程,后后序遍历. Binary Tree Traversals Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3442    Accepted Submission(s): 1541…

03-树2. Tree Traversals Again (25) 时间限制 200 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 CHEN, Yue An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with th…

Binary Tree Traversals Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3340    Accepted Submission(s): 1500 Problem Description A binary tree is a finite set of vertices that is either empty or…

1086. Tree Traversals Again (25) 时间限制 200 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with th…

PAT A1020 标签(空格分隔): PAT #include <cstdio> #include <queue> using namespace std; const int maxn = 100; int pos[maxn], in[maxn]; int n; struct node { int data; node* lchild; node* rchild; }; node* create(int inL, int inR, int posL, int posR) { i…