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22 problems total
| Title | Difficulty | Videos | Companies |
|---|---|---|---|
| Second Highest Salary Problem | medium | - | |
| Rank Scores | medium | - | |
| Employees Earning More Than Their Managers Problem | easy | - | |
| Game Analysis IV | medium | - | |
| Get Highest Answer Rate Question | medium | - | |
| Friend Requests I - Overall Acceptance Rate Problem | easy | - | |
| Friend Requests II - Who Has the Most Friends | medium | - | |
| Second Degree Follower | medium | - | |
| Project Employees I | easy | - | |
| Project Employees II | easy | - | |
| Project Employees III | medium | - | |
| Reported Posts | easy | - | |
| Reported Posts II | medium | - | |
| User Activity for the Past 30 Days I | easy | - | |
| User Activity for the Past 30 Days II | easy | - | |
| Queries Quality and Percentage | easy | - | |
| Report Contiguous Dates | hard | - | |
| Number of Comments per Post | easy | - | |
| Page Recommendations | medium | - | |
| Ads Performance | easy | - | |
| Customers Who Bought Products A and B but Not C | medium | - | |
| Apples & Oranges | medium | - |