| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. New Recruitment | 2 | 4 | 0:29:54 |
| B. Cafe 12 | 11 | 20 | 0:29:19 |
| C. Europe Tour | 2 | 2 | 1:32:39 |
| D. Count Quadruplets | 6 | 7 | 0:38:07 |
| E. Easy Peasy, Lemon Squeezy 2 | 15 | 34 | 0:03:35 |
| F. Free Mango | 12 | 19 | 0:32:56 |
| G. Bonus Project | 10 | 11 | 1:05:24 |
| H. Subarray Replacement | 1 | 1 | 1:17:21 |
