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[LeetCode]Construct Binary Tree from Preorder and Inorder Traversal
给定一棵树的先序遍历和中序遍历结果,重新构建这棵树。解决思路:1. 从先序遍历序列中找到root节点2. 在中序遍历序列中找到root出现的下标位置,记为root_iter. root_iter左边的为左子树的中序遍历序列,长度为lTreeSize, 右边为右子树的中序遍历序列。3. 先序遍历序列中...
分类:其他好文   时间:2015-04-17 20:09:25    阅读次数:118
LeetCode --- 106. Construct Binary Tree from Inorder and Postorder Traversal
题目链接:Construct Binary Tree from Inorder and Postorder Traversal Given inorder and postorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in th...
分类:其他好文   时间:2015-04-17 18:15:57    阅读次数:159
二叉排序树(c++实现)
#include using namespace std; class btree { public: btree *left; btree *right; int data; btree(int i):left(NULL),right(NULL),data(i){} ~btree(); void insert(int a); static void inorder(...
分类:编程语言   时间:2015-04-16 23:49:18    阅读次数:372
树的中序遍历
中序遍历按照“左孩子-根结点-右孩子”的顺序进行访问。1.递归实现void inOrder(BinTree* root){ if(root!=NULL) { inOrder(root->lchild); coutdata; inOrder(root->rchild); }}2...
分类:其他好文   时间:2015-04-16 19:28:09    阅读次数:156
【LeetCode从零单刷】Binary Tree Inorder Traversal
菜鸡从零单刷 LeetCode 系列!...
分类:其他好文   时间:2015-04-16 14:22:19    阅读次数:104
leetcode || 94、Binary Tree Inorder Traversal
problem: Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 2 / 3 return [1,3,2]. Note: Rec...
分类:其他好文   时间:2015-04-16 10:27:18    阅读次数:119
LeetCode --- 105. Construct Binary Tree from Preorder and Inorder Traversal
题目链接:Construct Binary Tree from Preorder and Inorder Traversal Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the ...
分类:其他好文   时间:2015-04-16 10:24:42    阅读次数:137
PAT006 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 ...
分类:其他好文   时间:2015-04-12 16:06:42    阅读次数:107
LeetCode 105/106 Construct Binary Tree from Preorder/Postorder and Inorder Traversal
一:LeetCode 105 Construct Binary Tree from Preorder and Inorder Traversal 题目: Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates d...
分类:其他好文   时间:2015-04-12 14:50:20    阅读次数:117
二叉树遍历的三种方法(以中序为例)
二叉树遍历的三种方法递归简单时间O(n)空间O(n)非递归+栈中等时间O(n)空间O(n)非递归、不用栈中等时间O(n)空间O(1)伪代码实现--近C++代码方法一:递归1 Inorder-Tree-Walk(x)2 if(x != NULL)3 Inorder-Tree-W...
分类:其他好文   时间:2015-04-11 16:08:59    阅读次数:142
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