The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…

https://leetcode.com/problems/employees-earning-more-than-their-managers/description/ 老师上课没分析这些的复杂度,我大概认为子查询要O(n^2) 一开始,直接用了子查询,2400ms.... # Write your MySQL query statement below select T.name as Employee from Employee as T where T.Salary > (select…

题目标签: 题目给了我们一个 员工表,包括经理.员工会有经理的id. 这里可以重复 利用两次 表格,表格a, 表格b,当a 员工的经理id  等于 b员工时候,在从中找到员工工资大于经理的.具体看code. Java Solution: Runtime:  312 ms, faster than 65 % Memory Usage: N/A 完成日期:05/22/2019 关键点:From 员工表a,b # Write your MySQL query statement below SELEC…

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…

Given a binary tree, find the leftmost value in the last row of the tree. Example 1: Input: 2 / \ 1 3 Output: 1 Example 2: Input: 1 / \ 2 3 / / \ 4 5 6 / 7 Output: 7 Note: You may assume the tree (i.e., the given root node) is not NULL. 这个题的思路其实跟[Lee…

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…

Description: The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. Given the Employee table, write a SQL query that finds out employees who earn more than their manag…

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. +----+-------+--------+-----------+ | Id | Name | Salary | ManagerId | +----+-------+--------+-----------+ | 1 |…