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leetcode_105题——Construct Binary Tree from Preorder and Inorder Traversal(树,递归)
Construct Binary Tree from Preorder and Inorder TraversalTotal Accepted:32279Total Submissions:122094My SubmissionsQuestionSolutionGiven preorder and ...
分类:其他好文   时间:2015-05-03 15:53:45    阅读次数:104
Find下一个Node in BST
给定一个node,找inorder traversal 里下一个。最直接的想法是inorder遍历整个bst,然后在遍历的结果中查找。但是这样耗费多余的空间和时间。geeksforgeek(1)有parent指针在cc150上有很好的讲解三种情况:i 当前node的right != null, 则返...
分类:其他好文   时间:2015-05-03 14:32:51    阅读次数:275
LeetCode 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 the tree. 题意:中序和后序建树。 思路:还是简单的递归构造。 /** * Definition for a bina...
分类:其他好文   时间:2015-05-03 10:40:50    阅读次数:142
LeetCode 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 tree. 题意:二叉树前、中序构造出二叉树。 思路:经典的题目。 /** * Definition for a bin...
分类:其他好文   时间:2015-05-02 11:17:03    阅读次数:174
[LeetCode]*106.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 the tree....
分类:其他好文   时间:2015-05-01 20:00:19    阅读次数:188
Binary Tree Inorder Traversal -- leetcode
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: Recursive solutio...
分类:其他好文   时间:2015-04-29 15:13:35    阅读次数:155
[LeetCode]*105.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 tree....
分类:其他好文   时间:2015-04-28 22:52:42    阅读次数:199
3.9已知二叉树的 前序遍历和中序遍历的结果,重构出原二叉树
#include using namespace std; struct Node { char value; Node *left; Node *right; }; //重构函数核心 Node *Constructcore(char *start_preorder,char *end_preorder,char *start_inorder,char *end_inorder) { ch...
分类:其他好文   时间:2015-04-28 11:54:27    阅读次数:128
Construct Binary Tree from Inorder and Postorder Traversal
https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/Given inorder and postorder traversal of a tree, construct th...
分类:其他好文   时间:2015-04-26 15:00:15    阅读次数:116
Construct Binary Tree from Preorder and Inorder Traversal
https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/Given preorder and inorder traversal of a tree, construct the ...
分类:其他好文   时间:2015-04-25 22:33:00    阅读次数:223
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