cocorig / leetcode Goto Github PK
View Code? Open in Web Editor NEW⚙️ Algorithm Troubleshooting Repository on the LeetCode Platform
⚙️ Algorithm Troubleshooting Repository on the LeetCode Platform
Example 1:
Input:
Person table:
+----+---------+
| id | email |
+----+---------+
| 1 | [email protected] |
| 2 | [email protected] |
| 3 | [email protected] |
+----+---------+
Output:
+---------+
| Email |
+---------+
| [email protected] |
+---------+
Explanation: [email protected] is repeated two times.
SELECT email AS Email
FROM Person
GROUP BY email
HAVING COUNT(email) > 1;
Input:
Tweets table:
+----------+----------------------------------+
| tweet_id | content |
+----------+----------------------------------+
| 1 | Vote for Biden |
| 2 | Let us make America great again! |
+----------+----------------------------------+
Output:
+----------+
| tweet_id |
+----------+
| 2 |
+----------+
Explanation:
Tweet 1 has length = 14. It is a valid tweet.
Tweet 2 has length = 32. It is an invalid tweet.
SELECT tweet_id
FROM Tweets
WHERE LENGTH(content) > 15;
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.