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LeetCode in Python 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:编程语言   时间:2019-07-11 20:48:15    阅读次数:127
[Daily Coding Problem 223] O(1) space in order traversal of a binary tree
Typically, an implementation of in-order traversal of a binary tree has O(h) space complexity, where h is the height of the tree. Write a program to c ...
分类:其他好文   时间:2019-07-10 23:06:32    阅读次数:135
LeetCode 105. 从前序与中序遍历序列构造二叉树
根据一棵树的前序遍历与中序遍历构造二叉树。 注意:你可以假设树中没有重复的元素。 例如,给出 前序遍历 preorder = [3,9,20,15,7]中序遍历 inorder = [9,3,15,20,7]返回如下的二叉树: 3 / \ 9 20 / \ 15 7 算法:我们先在中序遍历中找到根结 ...
分类:其他好文   时间:2019-07-10 22:55:05    阅读次数:94
letecode [429] - N-ary Tree Level Order Traversal
Given an n-ary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example, given a 3-ary tree: ...
分类:其他好文   时间:2019-06-30 17:20:42    阅读次数:77
PAT_A1086#Tree Traversals Again
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. F ...
分类:其他好文   时间:2019-06-30 15:48:02    阅读次数:91
[LeetCode] 107. 二叉树的层次遍历 II
题目链接 : https://leetcode cn.com/problems/binary tree level order traversal ii/ 题目描述: 给定一个二叉树,返回其节点值自底向上的层次遍历。 (即按从叶子节点所在层到根节点所在的层,逐层从左向右遍历) 例如: 给定二叉树 [ ...
分类:其他好文   时间:2019-06-28 20:58:56    阅读次数:114
Python3解leetcode Same TreeBinary Tree Level Order Traversal II
问题描述: Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root) ...
分类:编程语言   时间:2019-06-23 15:34:57    阅读次数:95
leetcode-easy-trees-102. Binary Tree Level Order Traversal-YES
mycode 98.56% ...
分类:其他好文   时间:2019-06-14 12:28:42    阅读次数:86
letecode [107] - Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:其他好文   时间:2019-06-09 13:06:52    阅读次数:73
Computer Science 220S1C (2019)
Computer Science 220S1C (2019)Assignment 4 (traversal and optimisation)Due date June 7, 2019, 10pm100 Marks in totalThis assignment requires you to su ...
分类:其他好文   时间:2019-06-06 21:11:40    阅读次数:78
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