【leetcode刷题笔记】Binary Tree Level Order Traversal II

【【leetcode刷题笔记】Binary Tree Level Order Traversal II】的更多相关文章

[刷题] 102 Binary Tree Level Order Traversal

要求对二叉树进行层序遍历实现返回结果为双重向量,对应树的每层元素队列的每个元素是一个pair对,存树节点和其所在的层信息 1 Definition for a binary tree node. 2 struct TreeNode { 3 int val; 4 TreeNode *left; 5 TreeNode *right; 6 TreeNode(int x) : val(x), left(NULL), right(NULL) {} 7 }; 8 9 class Solution {…

LeetCode（107） Binary Tree Level Order Traversal II

题目 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 example: Given binary tree {3,9,20,#,#,15,7}, return its bottom-up level order traversal as: 分析与…

LeetCode（26）-Binary Tree Level Order Traversal II

题目: 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 example: Given binary tree {3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7 return its bottom-up level ord…

[LeetCode&Python] Problem 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 example:Given binary tree [3,9,20,null,null,15,7], 3 / \ 9 20 / \ 15 7 return its bottom-up level or…

【leetcode❤python】107. Binary Tree Level Order Traversal II

#-*- coding: UTF-8 -*- # Definition for a binary tree node.# class TreeNode(object):# def __init__(self, x):# self.val = x# self.left = None# self.right = Noneclass Solution(object): def levelOrderBottom(self, root): …

LeetCode之“树”：Binary Tree Level Order Traversal && Binary Tree Level Order Traversal II

Binary Tree Level Order Traversal 题目链接题目要求: 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 {3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7 return its level…

[Leetcode] Binary tree level order traversal ii二叉树层次遍历

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 example:Given binary tree{3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7 return its bottom-up level order tra…