| Platinum 3문제 expand_more |
| 5798 | Redistricting | USACO 2019 January Platinum | 3 | 8 | 37.50% |
| 4094 | Exercise Route | USACO 2019 January Platinum | 0 | 0 | |
| 4095 | Train Tracking 2 | USACO 2019 January Platinum | 0 | 0 | |
| Gold 3문제 expand_more |
| 4096 | Cow Poetry | USACO 2019 January Gold | 0 | 0 | |
| 4097 | Sleepy Cow Sorting auto_awesome 스페셜 저지 | USACO 2019 January Gold | 0 | 0 | |
| 4098 | Shortcut | USACO 2019 January Gold | 0 | 0 | |
| Silver 3문제 expand_more |
| 4099 | Grass Planting | USACO 2019 January Silver | 0 | 0 | |
| 4100 | Icy Perimeter | USACO 2019 January Silver | 0 | 0 | |
| 4101 | Mountain View | USACO 2019 January Silver | 0 | 0 | |
| Bronze 3문제 expand_more |
| 4102 | Shell Game | USACO 2019 January Bronze | 0 | 0 | |
| 4103 | Sleepy Cow Sorting | USACO 2019 January Bronze | 0 | 0 | |
| 4104 | Guess the Animal | USACO 2019 January Bronze | 0 | 0 | |
