| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Pythagoras Rocks | 94 | 99 | 0:01:56 |
| B. Arithmetic Sequence (Easy) | 85 | 85 | 0:03:40 |
| C. Dominoes Forever | 18 | 35 | 0:13:08 |
| D. Word Count | 50 | 53 | 0:11:03 |
| E. Smart Query Handler | 12 | 27 | 0:30:15 |
| F. Arithmetic Sequence (Hard) | 76 | 82 | 0:05:30 |
| G. Largest Prime | 63 | 71 | 0:10:29 |
| H. Friendship Database | 56 | 61 | 0:13:00 |
| I. Correct the Sieve | 61 | 74 | 0:19:04 |
| J. Building the Wall 2 | 11 | 12 | 1:10:12 |
