| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. New Recruitment | 3 | 7 | 0:36:25 |
| B. Cafe 12 | 10 | 29 | 0:52:34 |
| C. Europe Tour | 0 | 1 | Unsolved |
| D. Count Quadruplets | 0 | 0 | Unsolved |
| E. Easy Peasy, Lemon Squeezy 2 | 18 | 36 | 0:16:05 |
| F. Free Mango | 5 | 22 | 0:42:15 |
| G. Bonus Project | 3 | 5 | 1:23:08 |
| H. Subarray Replacement | 0 | 0 | Unsolved |
