| Platinum 3문제 expand_more |
| 3938 | Max Flow | USACO 2015 December Platinum | 0 | 0 | |
| 3939 | High Card Low Card (Platinum) | USACO 2015 December Platinum | 0 | 0 | |
 3940 | Counting Haybales | USACO 2015 December Platinum | 5 | 18 | 27.78% |
| Gold 3문제 expand_more |
| 3941 | High Card Low Card (Gold) | USACO 2015 December Gold | 1 | 1 | 100.00% |
| 3942 | Fruit Feast | USACO 2015 December Gold | 0 | 0 | |
| 3943 | Bessie's Dream | USACO 2015 December Gold | 0 | 0 | |
| Silver 3문제 expand_more |
 3944 | Switching on the Lights | USACO 2015 December Silver | 1 | 2 | 50.00% |
| 3945 | High Card Wins | USACO 2015 December Silver | 0 | 0 | |
| 3946 | Breed Counting | USACO 2015 December Silver | 0 | 0 | |
| Bronze 3문제 expand_more |
| 3947 | Fence Painting | USACO 2015 December Bronze | 0 | 0 | |
 3948 | 속도 위반 단속 | USACO 2015 December Bronze | 22 | 63 | 34.92% |
| 3949 | Contaminated Milk | USACO 2015 December Bronze | 1 | 2 | 50.00% |
