| Gold 3문제 expand_more |
| 3854 | Vacation Planning | USACO 2013 December Gold | 0 | 0 | |
| 3855 | Optimal Milking | USACO 2013 December Gold | 0 | 0 | |
| 3856 | The Bessie Shuffle | USACO 2013 December Gold | 0 | 0 | |
| Silver 3문제 expand_more |
| 3857 | Milk Scheduling | USACO 2013 December Silver | 0 | 0 | |
| 3858 | Vacation Planning | USACO 2013 December Silver | 0 | 0 | |
| 3859 | The Bessie Shuffle | USACO 2013 December Silver | 0 | 0 | |
| Bronze 3문제 expand_more |
| 3860 | Record Keeping | USACO 2013 December Bronze | 0 | 0 | |
| 3861 | Cow Baseball | USACO 2013 December Bronze | 0 | 0 | |
 3862 | 웜홀 (Wormholes) translate 다국어 | USACO 2013 December Bronze | 6 | 32 | 18.75% |
