| 3. Chocolate Distribution | Sorting · Sliding Window | — | Easy |
| 5. Split into Balanced Strings | Greedy · Counting | — | Easy |
| 10. Maximum Meetings in One Room | Interval Scheduling | — | Easy |
| 13. Job Sequencing with Deadlines | Greedy · Sorting | — | Medium |
| 24. Connect Ropes at Minimum Cost | Heap · Greedy | — | Medium |
| 29. Maximum Units on a Truck | Greedy · Sorting | — | Easy |
| 33. Queue Reconstruction by Height | Greedy · Sorting | — | Medium |
| 34. Largest Perimeter Triangle | Sorting · Greedy | — | Easy |