| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Jewel the Magician | 32 | 170 | 0:05:06 |
| B. Hidden Graph | 2 | 41 | 0:51:43 |
| C. Shortest Path Recovery | 0 | 20 | Unsolved |
| D. The Need for Seed | 0 | 16 | Unsolved |
| E. List of Strings | 0 | 34 | Unsolved |
| F. Count the Deliveries | 0 | 45 | Unsolved |
| G. Yet Another XOR Tree Problem | 0 | 11 | Unsolved |
| H. Rotation and Queries | 0 | 16 | Unsolved |
| I. Fair Share | 0 | 19 | Unsolved |
| J. Shopping Mania | 0 | 11 | Unsolved |
