【Leetcode_easy】637. Average of Levels in Binary Tree
problem
637. Average of Levels in Binary Tree
参考
1. Leetcode_easy_637. Average of Levels in Binary Tree;
完
【Leetcode_easy】637. Average of Levels in Binary Tree的更多相关文章
- 【leetcode】637. Average of Levels in Binary Tree
原题 Given a non-empty binary tree, return the average value of the nodes on each level in the form of ...
- 【LeetCode】637. Average of Levels in Binary Tree 解题报告(Python)
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 方法一:DFS 方法二:BFS 日期 题目地址:ht ...
- 637. Average of Levels in Binary Tree - LeetCode
Question 637. Average of Levels in Binary Tree Solution 思路:定义一个map,层数作为key,value保存每层的元素个数和所有元素的和,遍历这 ...
- 637. Average of Levels in Binary Tree
Given a non-empty binary tree, return the average value of the nodes on each level in the form of an ...
- LeetCode 637 Average of Levels in Binary Tree 解题报告
题目要求 Given a non-empty binary tree, return the average value of the nodes on each level in the form ...
- LeetCode 637. Average of Levels in Binary Tree二叉树的层平均值 (C++)
题目: Given a non-empty binary tree, return the average value of the nodes on each level in the form o ...
- LeetCode - 637. Average of Levels in Binary Tree
Given a non-empty binary tree, return the average value of the nodes on each level in the form of an ...
- [LeetCode&Python] Problem 637. Average of Levels in Binary Tree
Given a non-empty binary tree, return the average value of the nodes on each level in the form of an ...
- 637. Average of Levels in Binary Tree 二叉树的层次遍历再求均值
[抄题]: Given a non-empty binary tree, return the average value of the nodes on each level in the form ...
随机推荐
- python----装饰器(几种常见方式的使用与理解)
更详细的装饰器,真心实力推荐,里面介绍的很清楚,介绍可见链接:https://blog.csdn.net/buster_zr/article/details/81104551 1.装饰器的理论: (1 ...
- 利用matplot简单显示图片
import matplotlib.pyplot as plt from matplotlib.image import imread img = imread('F:\\ml\\DL\\source ...
- Centos 安装JDK(最最最最最方便的方法)
1.下载rpm安装文件,链接:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 2 ...
- js的使用及语法
通常,通过 JavaScript,您需要操作 HTML 元素. 1.通过 id 找到 HTML 元素 2.通过标签名找到 HTML 元素 3.通过类名找到 HTML 元素 提示:通过类名查找 HTML ...
- 40 | insert语句的锁为什么这么多?
在上一篇文章中,我提到 MySQL 对自增主键锁做了优化,尽量在申请到自增 id 以后,就释放自增锁. 因此,insert 语句是一个很轻量的操作.不过,这个结论对于“普通的 insert 语句”才有 ...
- ueditor粘贴word中图片
最近公司做项目需要实现一个功能,在网页富文本编辑器中实现粘贴Word图文的功能. 我们在网站中使用的Web编辑器比较多,都是根据用户需求来选择的.目前还没有固定哪一个编辑器 有时候用的是UEditor ...
- learning scala extractor object
package com.aura.scala.day01 import scala.util.Random object extractorObject { def main(args: Array[ ...
- [转]C++重载()(强制类型转换运算符)
在 C++ 中,类型的名字(包括类的名字)本身也是一种运算符,即类型强制转换运算符. 类型强制转换运算符是单目运算符,也可以被重载,但只能重载为成员函数,不能重载为全局函数.经过适当重载后,(类型名) ...
- P3688 [ZJOI2017] 树状数组 【二维线段树】
题目描述:这里有一个写挂的树状数组: 有两种共\(m\)个操作: 输入\(l,r\),在\([l,r]\)中随机选择一个整数\(x\)执行\(\text{Add}(x)\) 输入\(l,r\),询问执 ...
- Unrecognized syntax identifier "proto3". This parser only recognizes "proto2". ”问题解决方法
编译cartographer时遇到Unrecognized syntax identifier “proto3”. This parser only recognizes “proto2”.排查:使用 ...