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PAT 1086 Tree Traversals Again (25)
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 ...
分类:其他好文   时间:2018-06-26 23:46:02    阅读次数:225
二叉树的遍历问题总结
这篇文章展示了用ruby使用不同的方法对二叉树进行遍,并且实现了不同遍历方式的iterator,希望对大家有所帮助。 Talk is cheap, show me the code! 1. Pre-order Traversal (前序遍历先访问当前的节点,然后再访问它的孩子节点) Non-recu ...
分类:其他好文   时间:2018-06-25 11:04:56    阅读次数:158
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. For example, ...
分类:其他好文   时间:2018-06-22 22:46:40    阅读次数:233
PAT 1020 Tree Traversals (25)
Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou ...
分类:其他好文   时间:2018-06-22 17:47:42    阅读次数:164
LeetCode 102. Binary Tree Level Order Traversal
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3 ...
分类:其他好文   时间:2018-06-20 23:59:10    阅读次数:277
二叉树的遍历
二叉树的遍历 树的遍历是树的一种重要的运算。所谓遍历是指对树中所有结点的信息的访问,即依次对树中每个结点访问一次且仅访问一次,我们把这种对所有节点的访问称为遍历(traversal)。那么树的两种重要的遍历模式是深度优先遍历和广度优先遍历,深度优先一般用递归,广度优先一般用队列。一般情况下能用递归实 ...
分类:其他好文   时间:2018-06-18 16:03:08    阅读次数:159
Binary Tree Traversal In Three Ways In Leetcode
144. 二叉树的前序遍历 94. 二叉树的中序遍历 145. 二叉树的后序遍历 ...
分类:其他好文   时间:2018-06-18 11:54:13    阅读次数:167
314. Binary Tree Vertical Order Traversal
问题描述: Given a binary tree, return the vertical order traversal of its nodes' values. (ie, from top to bottom, column by column). If two nodes are in t ...
分类:其他好文   时间:2018-06-18 10:33:46    阅读次数:108
【二叉树】hdu 1710 Binary Tree Traversals
acm.hdu.edu.cn/showproblem.php?pid=1710 【题意】 给定一棵二叉树的前序遍历和中序遍历,输出后序遍历 【思路】 根据前序遍历和中序遍历递归建树,再后续遍历输出 malloc申请空间在堆,函数返回,内存不释放,需要free手动释放 【Accepted】 #incl ...
分类:其他好文   时间:2018-06-13 00:14:27    阅读次数:150
105. Construct Binary Tree from Preorder and Inorder Traversal
问题描述: Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For exa ...
分类:其他好文   时间:2018-06-12 10:28:27    阅读次数:204
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