| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Primeland's Currency | 8 | 24 | 0:06:31 |
| B. Easy Substring Problem | 20 | 30 | 0:10:08 |
| C. RedXXXXXXXX | 10 | 14 | 0:36:11 |
| D. Carnival Is Here! | 47 | 47 | 0:00:44 |
| E. Easy Swap | 14 | 21 | 0:30:59 |
| F. Long Multiplication | 5 | 6 | 0:53:11 |
| G. Another Divisibility Problem | 3 | 12 | 1:31:21 |
| H. Magic Exists! | 27 | 41 | 0:04:55 |
| I. Guess the Point | 2 | 2 | 2:54:43 |
| J. Maximum OR | 32 | 34 | 0:08:03 |
| K. Friends Group | 4 | 4 | 2:15:13 |
