Skip to content
Navigation Menu
Toggle navigation
Sign in
Product
GitHub Copilot
Write better code with AI
GitHub Advanced Security
Find and fix vulnerabilities
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Discussions
Collaborate outside of code
Code Search
Find more, search less
Explore
Why GitHub
All features
Documentation
GitHub Skills
Blog
Solutions
By company size
Enterprises
Small and medium teams
Startups
Nonprofits
By use case
DevSecOps
DevOps
CI/CD
View all use cases
By industry
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
Topics
AI
DevOps
Security
Software Development
View all
Explore
Learning Pathways
Events & Webinars
Ebooks & Whitepapers
Customer Stories
Partners
Executive Insights
Open Source
GitHub Sponsors
Fund open source developers
The ReadME Project
GitHub community articles
Repositories
Topics
Trending
Collections
Enterprise
Enterprise platform
AI-powered developer platform
Available add-ons
GitHub Advanced Security
Enterprise-grade security features
Copilot for business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Search or jump to...
Search code, repositories, users, issues, pull requests...
Search syntax tips
Provide feedback
Saved searches
Use saved searches to filter your results more quickly
Sign in
Sign up
Reseting focus
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
learningtheory
/
leetcode
Public
Notifications
You must be signed in to change notification settings
Fork
1
Star
3
Code
Issues
0
Pull requests
0
Actions
Projects
0
Security
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Security
Insights
Files
master
Breadcrumbs
leetcode
/
mysql
/
Copy path
Directory actions
More options
Directory actions
More options
Latest commit
History
History
master
Breadcrumbs
leetcode
/
mysql
/
Top
Folders and files
Name
Name
Last commit message
Last commit date
parent directory
..
175.Combine Two Tables(组合两个表).html
175.Combine Two Tables(组合两个表).html
176.Second Highest Salary(第二高的薪水).html
176.Second Highest Salary(第二高的薪水).html
177.Nth Highest Salary(第N高的薪水).html
177.Nth Highest Salary(第N高的薪水).html
178.Rank Scores(分数排名).html
178.Rank Scores(分数排名).html
180.Consecutive Numbers(连续出现的数字).html
180.Consecutive Numbers(连续出现的数字).html
181.Employees Earning More Than Their Managers(超过经理收入的员工).html
181.Employees Earning More Than Their Managers(超过经理收入的员工).html
182.Duplicate Emails(查找重复的电子邮箱).html
182.Duplicate Emails(查找重复的电子邮箱).html
183.Customers Who Never Order(从不订购的客户).html
183.Customers Who Never Order(从不订购的客户).html
184.Department Highest Salary(部门工资最高的员工).html
184.Department Highest Salary(部门工资最高的员工).html
185.Department Top Three Salaries(部门工资前三高的员工).html
185.Department Top Three Salaries(部门工资前三高的员工).html
196.Delete Duplicate Emails(删除重复的电子邮箱).html
196.Delete Duplicate Emails(删除重复的电子邮箱).html
197.Rising Temperature(上升的温度).html
197.Rising Temperature(上升的温度).html
262.Trips and Users(行程和用户).html
262.Trips and Users(行程和用户).html
595.Big Countries(大的国家).html
595.Big Countries(大的国家).html
596.Classes More Than 5 Students(超过5名学生的课).html
596.Classes More Than 5 Students(超过5名学生的课).html
601.Human Traffic of Stadium(体育馆的人流量).html
601.Human Traffic of Stadium(体育馆的人流量).html
620.Not Boring Movies(有趣的电影).html
620.Not Boring Movies(有趣的电影).html
626.Exchange Seats(换座位).html
626.Exchange Seats(换座位).html
627.Swap Salary(交换工资).html
627.Swap Salary(交换工资).html
View all files
You can’t perform that action at this time.