| Platinum 3문제 expand_more |
| 5785 | Sum of Distances | USACO 2021 January Platinum | 0 | 0 | |
| 5784 | Minimum Cost Paths | USACO 2021 January Platinum | 0 | 0 | |
| 4716 | 정올 미술 입시학원 | USACO 2021 January Platinum #3(Andi Qu) | 2 | 9 | 22.22% |
| Gold 3문제 expand_more |
| 5783 | Uddered but not Herd | USACO 2021 January Gold | 0 | 0 | |
| 5782 | Telephone | USACO 2021 January Gold | 0 | 12 | 0.00% |
| 5781 | Dance Mooves | USACO 2021 January Gold | 0 | 0 | |
| Silver 3문제 expand_more |
| 5780 | Dance Mooves | USACO 2021 January Silver | 0 | 0 | |
| 5779 | No Time to Paint | USACO 2021 January Silver | 0 | 0 | |
| 5778 | Spaced Out | USACO 2021 January Silver | 0 | 0 | |
| Bronze 3문제 expand_more |
 5371 | 알파벳 빌런 (Uddered but not Herd) | USACO 2021 January Bronze | 17 | 28 | 60.71% |
 5372 | 짝홀 그룹 (Even More Odd Photos) | USACO 2021 January Bronze | 16 | 39 | 41.03% |
 5373 | 주차를 해보자 (Just Stalling) | USACO 2021 January Bronze | 16 | 29 | 55.17% |
