| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Jewel the Magician | 94 | 147 | 0:00:29 |
| B. Hidden Graph | 47 | 74 | 0:02:49 |
| C. Shortest Path Recovery | 3 | 9 | 0:50:19 |
| D. The Need for Seed | 17 | 40 | 0:25:31 |
| E. List of Strings | 7 | 19 | 0:34:34 |
| F. Count the Deliveries | 3 | 15 | 1:59:49 |
| G. Yet Another XOR Tree Problem | 2 | 2 | 2:13:51 |
| H. Rotation and Queries | 0 | 2 | Unsolved |
| I. Fair Share | 5 | 10 | 0:39:23 |
| J. Shopping Mania | 2 | 5 | 3:02:56 |
| K. Stick Race | 1 | 1 | 4:47:04 |
| L. F | 1 | 2 | 4:34:28 |
