| 3198 |
Find Cities in Each State |
Solution |
|
Easy |
|
| 3172 |
Second Day Verification |
Solution |
|
Easy |
|
| 3150 |
Invalid Tweets II |
Solution |
|
Easy |
|
| 3059 |
Find All Unique Email Domains |
Solution |
|
Easy |
|
| 3051 |
Find Candidates for Data Scientist Position |
Solution |
|
Easy |
|
| 2990 |
Loan Types |
Solution |
|
Easy |
|
| 2879 |
Display the First Three Rows |
Python3 |
|
Easy |
|
| 2205 |
The Number of Users That Are Eligible for Discount |
Solution |
|
Easy |
|
| 2082 |
The Number of Rich Customers |
Solution |
|
Easy |
|
| 2072 |
The Winner University |
Solution |
|
Easy |
|
| 2026 |
Low-Quality Problems |
Solution |
|
Easy |
|
| 1978 |
Employees Whose Manager Left the Company |
Solution |
|
Easy |
|
| 1873 |
Calculate Special Bonus |
Solution |
|
Easy |
|
| 1853 |
Convert Date Format |
Solution |
|
Easy |
|
| 1821 |
Find Customers With Positive Revenue this Year |
Solution |
|
Easy |
|
| 1809 |
Ad-Free Sessions |
Solution |
|
Easy |
|
| 1795 |
Rearrange Products Table |
Solution |
|
Easy |
|
| 1789 |
Primary Department for Each Employee |
Solution |
|
Easy |
|
| 1757 |
Recyclable and Low Fat Products |
Solution |
|
Easy |
|
| 1741 |
Find Total Time Spent by Each Employee |
Solution |
|
Easy |
|
| 1729 |
Find Followers Count |
Solution |
|
Easy |
|
| 1709 |
Biggest Window Between Visits |
Solution |
|
Medium |
|
| 1693 |
Daily Leads and Partners |
Solution |
|
Easy |
|
| 1683 |
Invalid Tweets |
Solution |
|
Easy |
|
| 1677 |
Product's Worth Over Invoices |
Solution |
|
Easy |
|
| 1667 |
Fix Names in a Table |
Solution |
|
Easy |
|
| 1661 |
Average Time of Process per Machine |
Solution |
|
Easy |
|
| 1633 |
Percentage of Users Attended a Contest |
Solution |
|
Easy |
|
| 1623 |
All Valid Triplets That Can Represent a Country |
Solution |
|
Easy |
|
| 1607 |
Sellers With No Sales |
Solution |
|
Easy |
|
| 1596 |
The Most Frequently Ordered Products for Each Customer |
Solution |
|
Medium |
|
| 1571 |
Warehouse Manager |
Solution |
|
Easy |
|
| 1587 |
Bank Account Summary II |
Solution |
|
Easy |
|
| 1581 |
Customer Who Visited but Did Not Make Any Transactions |
Solution |
|
Easy |
|
| 1565 |
Unique Orders and Customers Per Month |
Solution |
|
Easy |
|
| 1543 |
Fix Product Name Format |
Solution |
|
Easy |
|
| 1527 |
Patients With a Condition |
Solution |
|
Easy |
|
| 1517 |
Find Users With Valid E-Mails |
Solution |
|
Easy |
|
| 1511 |
Customer Order Frequency |
Solution |
|
Easy |
|
| 1495 |
Friendly Movies Streamed Last Month |
Solution |
|
Easy |
|
| 1435 |
Create a Session Bar Chart |
Solution |
|
Easy |
|
| 1484 |
Group Sold Products By The Date |
Solution |
|
Easy |
|
| 1445 |
Apples & Oranges |
Solution |
|
Medium |
|
| 1407 |
Top Travellers |
Solution |
|
Easy |
|
| 1393 |
Capital Gain/Loss |
Solution |
|
Easy |
|
| 1384 |
Total Sales Amount by Year |
Solution |
|
Hard |
|
| 1378 |
Replace Employee ID With The Unique Identifier |
Solution |
|
Easy |
|
| 1371 |
The Number of Employees Which Report to Each Employee |
Solution |
|
Easy |
|
| 1369 |
Get the Second Most Recent Activity |
Solution |
|
Hard |
|
| 1364 |
Number of Trusted Contacts of a Customer |
Solution |
|
Medium |
|
| 1355 |
Activity Participants |
Solution |
|
Medium |
|
| 1350 |
Students With Invalid Departments |
Solution |
|
Easy |
|
| 1341 |
Movie Rating |
Solution |
|
Medium |
|
| 1327 |
List the Products Ordered in a Period |
Solution |
|
Easy |
|
| 1322 |
Ads Performance |
Solution |
|
Easy |
|
| 1308 |
Running Total for Different Genders |
Solution |
|
Medium |
|
| 1303 |
Find the Team Size |
Solution |
|
Easy |
|
| 1294 |
Weather Type in Each Country |
Solution |
|
Easy |
|
| 1285 |
Find the Start and End Number of Continuous Ranges |
Solution |
|
Medium |
|
| 1280 |
Students and Examinations |
Solution |
📺 |
Easy |
|
| 1270 |
All People Report to the Given Manager |
Solution |
|
Medium |
|
| 1251 |
Average Selling Price |
Solution |
|
Easy |
|
| 1241 |
Number of Comments per Post |
Solution |
|
Easy |
|
| 1211 |
Queries Quality and Percentage |
Solution |
|
Easy |
|
| 1179 |
Reformat Department Table |
Solution |
|
Easy |
|
| 1173 |
Immediate Food Delivery I |
Solution |
|
Easy |
|
| 1148 |
Article Views I |
Solution |
|
Easy |
|
| 1142 |
User Activity for the Past 30 Days II |
Solution |
|
Easy |
|
| 1141 |
User Activity for the Past 30 Days I |
Solution |
|
Easy |
|
| 1113 |
Reported Posts |
Solution |
|
Easy |
|
| 1084 |
Sales Analysis III |
Solution |
|
Easy |
|
| 1083 |
Sales Analysis II |
Solution |
|
Easy |
|
| 1082 |
Sales Analysis I |
Solution |
|
Easy |
|
| 1076 |
Project Employees II |
Solution |
|
Easy |
|
| 1075 |
Project Employees I |
Solution |
|
Easy |
|
| 1069 |
Product Sales Analysis II |
Solution |
|
Easy |
|
| 1068 |
Product Sales Analysis I |
Solution |
|
Easy |
|
| 1050 |
Actors and Directors Who Cooperated At Least Three Times |
Solution |
|
Easy |
|
| 627 |
Swap Salary |
Solution |
|
Easy |
|
| 626 |
Exchange Seats |
Solution |
|
Medium |
|
| 620 |
Not Boring Movies |
Solution |
|
Easy |
|
| 619 |
Biggest Single Number |
Solution |
|
Easy |
|
| 618 |
Students Report By Geography |
Solution |
|
Hard |
Session Variables |
| 615 |
Average Salary: Departments VS Company |
Solution |
|
Hard |
|
| 614 |
Second Degree Follower |
Solution |
|
Medium |
Inner Join |
| 613 |
Shortest Distance in a Line |
Solution |
|
Easy |
|
| 612 |
Shortest Distance in a Plane |
Solution |
|
Medium |
|
| 610 |
Triangle Judgement |
Solution |
|
Easy |
|
| 608 |
Tree Node |
Solution |
|
Medium |
Union |
| 607 |
Sales Person |
Solution |
|
Easy |
|
| 603 |
Consecutive Available Seats |
Solution |
|
Easy |
|
| 602 |
Friend Requests II: Who Has the Most Friends |
Solution |
|
Medium |
|
| 601 |
Human Traffic of Stadium |
Solution |
|
Hard |
|
| 597 |
Friend Requests I: Overall Acceptance Rate |
Solution |
|
Easy |
|
| 596 |
Classes More Than 5 Students |
Solution |
|
Easy |
|
| 595 |
Big Countries |
Solution |
|
Easy |
|
| 586 |
Customer Placing the Largest Number of Orders |
Solution |
|
Easy |
|
| 585 |
Investments in 2016 |
Solution |
|
Medium |
|
| 584 |
Find Customer Referee |
Solution |
|
Easy |
|
| 580 |
Count Student Number in Departments |
Solution |
|
Medium |
Left Join |
| 578 |
Get Highest Answer Rate Question |
Solution |
|
Medium |
|
| 577 |
Employee Bonus |
Solution |
|
Easy |
|
| 574 |
Winning Candidate |
Solution |
|
Medium |
|
| 571 |
Find Median Given Frequency of Numbers |
Solution |
|
Hard |
|
| 570 |
Managers with at Least 5 Direct Reports |
Solution |
|
Medium |
|
| 569 |
Median Employee Salary |
Solution |
|
Hard |
|
| 534 |
Game Play Analysis III |
Solution |
|
Easy |
|
| 512 |
Game Play Analysis II |
Solution |
|
Easy |
|
| 511 |
Game Play Analysis I |
Solution |
|
Easy |
|
| 262 |
Trips and Users |
Solution |
|
Hard |
Inner Join |
| 197 |
Rising Temperature |
Solution |
|
Easy |
|
| 196 |
Delete Duplicate Emails |
Solution |
|
Easy |
|
| 185 |
Department Top Three Salaries |
Solution |
|
Hard |
|
| 184 |
Department Highest Salary |
Solution |
|
Medium |
|
| 183 |
Customers Who Never Order |
Solution |
|
Easy |
|
| 182 |
Duplicate Emails |
Solution |
|
Easy |
|
| 181 |
Employees Earning More Than Their Managers |
Solution |
|
Easy |
|
| 180 |
Consecutive Numbers |
Solution |
|
Medium |
|
| 178 |
Rank Scores |
Solution |
|
Medium |
|
| 177 |
Nth Highest Salary |
Solution |
|
Medium |
|
| 176 |
Second Highest Salary |
Solution |
|
Easy |
|
| 175 |
Combine Two Tables |
Solution |
|
Easy |
|