| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Why Don't You Guys Believe Him? | 115 | 116 | 0:01:34 |
| B. Quarantiko | 33 | 51 | 0:03:03 |
| C. Morona Virus Arrived | 2 | 13 | 1:12:01 |
| D. Bored?? | 1 | 15 | 1:29:43 |
| E. Distribution of Relief | 2 | 22 | 1:43:14 |
| F. Do You Know Tree ? | 5 | 7 | 0:23:09 |
