| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Hardest Problem Ever | 40 | 40 | 0:00:34 |
| B. Cinderella and Duck | 39 | 40 | 0:01:26 |
| C. RUN! | 33 | 38 | 0:07:59 |
| D. Lucky Palindrome | 14 | 20 | 0:15:26 |
| E. Change The Marks !!! | 13 | 27 | 0:19:15 |
| F. Another query sum problem | 0 | 13 | Unsolved |
