| Platinum 3문제 expand_more |
| 4153 | Delegation | USACO 2020 February Platinum | 0 | 0 | |
| 4154 | Equilateral Triangles | USACO 2020 February Platinum | 0 | 0 | |
| 4155 | Help Yourself | USACO 2020 February Platinum | 0 | 0 | |
| Gold 3문제 expand_more |
| 4156 | Timeline | USACO 2020 February Gold | 0 | 0 | |
 4157 | Help Yourself | USACO 2020 February Gold | 1 | 1 | 100.00% |
| 4158 | Delegation | USACO 2020 February Gold | 1 | 1 | 100.00% |
| Silver 3문제 expand_more |
| 5297 | 소뒤집기 | USACO 2020 February Silver | 1 | 3 | 33.33% |
| 5298 | 삼각형 목초지 (Triangles) | USACO 2020 February Silver | 1 | 1 | 100.00% |
| 5299 | 벌써 12시 (Clock Tree) | USACO 2020 February Silver | 0 | 2 | 0.00% |
| Bronze 3문제 expand_more |
| 4162 | 삼각형 목초지(Triangles) | USACO 2020 February Bronze | 2 | 3 | 66.67% |
| 4163 | Mad Scientist | USACO 2020 February Bronze | 3 | 3 | 100.00% |
| 4164 | Swapity Swap | USACO 2020 February Bronze | 0 | 0 | |
