| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Odd Prime | 2 | 17 | 1:42:42 |
| B. Decimation Operation | 0 | 1 | Unsolved |
| C. K-Subarray | 7 | 12 | 0:34:57 |
| D. Ratio | 9 | 32 | 0:17:56 |
| E. Make them Friends | 3 | 3 | 1:08:37 |
| F. Climbing Worm | 32 | 38 | 0:16:09 |
| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Odd Prime | 2 | 17 | 1:42:42 |
| B. Decimation Operation | 0 | 1 | Unsolved |
| C. K-Subarray | 7 | 12 | 0:34:57 |
| D. Ratio | 9 | 32 | 0:17:56 |
| E. Make them Friends | 3 | 3 | 1:08:37 |
| F. Climbing Worm | 32 | 38 | 0:16:09 |
