| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Alayna and Vowels | 20 | 23 | 0:05:02 |
| B. Correct the Sieve | 3 | 27 | 0:14:45 |
| C. Pythagoras Rocks | 29 | 35 | 0:05:33 |
| D. Count the Odds | 13 | 35 | 0:24:21 |
| E. Alice and the Chessboard | 16 | 20 | 0:24:51 |
| F. Version Checker | 2 | 8 | 1:05:47 |
| G. Putting Guards | 0 | 3 | Unsolved |
| H. Maintain the Queue | 0 | 6 | Unsolved |
