| Platinum 3문제 expand_more |
 3938 | Max Flow | USACO 2015 December Platinum | 2 | 2 | 100.00% |
 3939 | High Card Low Card (Platinum) | USACO 2015 December Platinum | 2 | 2 | 100.00% |
 3940 | Counting Haybales | USACO 2015 December Platinum | 8 | 23 | 34.78% |
| Gold 3문제 expand_more |
| 3941 | High Card Low Card (Gold) | USACO 2015 December Gold | 2 | 3 | 66.67% |
| 3942 | Fruit Feast | USACO 2015 December Gold | 1 | 1 | 100.00% |
| 3943 | Bessie's Dream | USACO 2015 December Gold | 1 | 2 | 50.00% |
| Silver 3문제 expand_more |
 3944 | Switching on the Lights | USACO 2015 December Silver | 2 | 4 | 50.00% |
| 3945 | High Card Wins | USACO 2015 December Silver | 0 | 0 | |
 3946 | 종류 개수 translate | USACO 2015 December Silver | 1 | 1 | 100.00% |
| Bronze 3문제 expand_more |
| 3947 | Fence Painting | USACO 2015 December Bronze | 0 | 0 | |
 3948 | 속도 위반 단속 translate | USACO 2015 December Bronze | 26 | 77 | 33.77% |
| 3949 | 오염된 우유 translate | USACO 2015 December Bronze | 3 | 7 | 42.86% |
