 8165 | 고양이 배치 | USACO 2011 January Bronze 1번 | 2 | 4 | 50.00% |
 5917 | 접시 닦기 translate | USACO 2011 January Bronze | 460 | 926 | 49.68% |
| 3752 | USACO 2011 December Contest, Bronze Division - Escaping the Farm stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=96 | 0 | 0 | |
| 3751 | USACO 2011 December Contest, Bronze Division - Cow Photography (Bronze Level) stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=95 | 0 | 0 | |
| 3750 | USACO 2011 December Contest, Bronze Division - Hay Bales stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=94 | 0 | 0 | |
| 3749 | USACO 2011 December Contest, Silver Division - Umbrellas for Cows stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=99 | 0 | 0 | |
| 3748 | USACO 2011 December Contest, Silver Division - Roadblock stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=98 | 0 | 0 | |
| 3747 | USACO 2011 December Contest, Silver Division - Cow Photography stop_circle 채점 보류 | http://www.usaco.org/index.php?page=viewproblem2&cpid=97 | 0 | 0 | |
| 3746 | Grass Planting | USACO 2011 December Contest, Gold Division | 0 | 11 | 0.00% |
| 3745 | Simplifying the Farm | USACO 2011 December Contest, Gold Division 2 | 0 | 0 | |
 3744 | Cow Photography | USACO 2011 December Contest, Gold Division 1 | 2 | 6 | 33.33% |
| 3743 | Cow Beauty Pageant (Bronze Level) | USACO 2011 November Contest, Bronze Division 4 | 1 | 4 | 25.00% |
| 3742 | Moo Sick translate | USACO 2011 November Contest, Bronze Division 3 | 1 | 4 | 25.00% |
| 3741 | Awkward Digits translate | USACO 2011 November Contest, Bronze Division 2 | 1 | 2 | 50.00% |
| 3740 | Contest Timing | USACO 2011 November Contest, Bronze Division 1 | 0 | 0 | |
| 3739 | Tile Exchanging | USACO 2011 November Contest, Silver Division 3 | 0 | 0 | |
| 3738 | Cow Lineup | USACO 2011 November Contest, Silver Division 2 | 1 | 2 | 50.00% |
| 3737 | Cow Beauty Pageant (Silver Level) | USACO 2011 November Contest, Silver Division | 0 | 0 | |
| 3736 | Cow Steeplechase | USACO 2011 November Contest, Gold Division | 0 | 0 | |
| 3735 | Binary Sudoku | USACO 2011 November Contest, Gold Division 2 | 0 | 0 | |
| 3734 | Above the Median - Gold Division | USACO 2011 November Contest, Gold Division 1 | 1 | 1 | 100.00% |
 3621 | 잔디밭 가꾸기 | USACO US Open 2011 Contest - Gold 1번 | 9 | 18 | 50.00% |
