| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. BLACKPINK in Your Area! | 30 | 33 | 0:13:51 |
| B. Once Upon A Time In Child Hood | 27 | 29 | 0:29:53 |
| C. The Game of Two | 14 | 26 | 0:33:35 |
| D. Arrays LCM | 1 | 2 | 4:54:27 |
| E. Weird Sum | 3 | 5 | 2:40:49 |
| F. Word Blitz! | 10 | 11 | 0:44:04 |
| G. A starry night of Keokradong | 1 | 1 | 4:28:31 |
| H. Gift | 32 | 34 | 0:03:34 |
| I. Substring Divisibility | 2 | 3 | 2:05:55 |
| J. Find the S | 6 | 7 | 0:46:18 |
| K. Find The Hidden Sequence | 10 | 12 | 1:43:08 |
