| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Help Ribo | 4 | 6 | 1:29:53 |
| B. How Many Ways Again | 10 | 12 | 0:23:06 |
| C. Horrible Queries | 4 | 6 | 0:52:29 |
| D. Matchstick Man | 3 | 3 | 2:33:28 |
| E. Playing With Numbers | 1 | 1 | 4:44:06 |
| F. Game of Sticks | 3 | 5 | 2:02:37 |
| G. Bubble Shooter | 4 | 5 | 0:40:06 |
| H. Functions Are Beautiful | 5 | 5 | 2:06:49 |
| I. A Weird Dragon | 0 | 2 | Unsolved |
