| ID | Title | Difficulty |
|---|---|---|
| 380 | Insert Delete GetRandom O(1) | Medium |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard |
| 478 | Generate Random Point in a Circle | Medium |
| ID | Title | Difficulty |
|---|---|---|
| 380 | Insert Delete GetRandom O(1) | Medium |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard |
| 478 | Generate Random Point in a Circle | Medium |