 3997 | 이미지 확대 translate | USACO 2016 December Bronze | 3 | 4 | 75.00% |
 3998 | 능력주의 회사 | USACO 2017 January Platinum | 19 | 28 | 67.86% |
| 3999 | Building a Tall Barn | USACO 2017 January Platinum | 0 | 0 | |
| 4000 | Subsequence Reversal | USACO 2017 January Platinum | 1 | 4 | 25.00% |
 4001 | 병아리 사진찍기 | USACO 2017 January Gold | 7 | 13 | 53.85% |
| 4002 | Hoof, Paper, Scissors | USACO 2017 January Gold | 1 | 1 | 100.00% |
| 4003 | 전진 우회전 좌회전 네비게이션 | USACO 2017 January Gold | 11 | 33 | 33.33% |
| 4004 | Cow Dance Show | USACO 2017 January Silver | 2 | 4 | 50.00% |
| 4005 | Hoof, Paper, Scissors | USACO 2017 January Silver | 0 | 2 | 0.00% |
| 4006 | Secret Cow Code | USACO 2017 January Silver | 1 | 3 | 33.33% |
| 4007 | Don't Be Last! translate | USACO 2017 January Bronze | 0 | 0 | |
 4008 | 가위, 발굽, 종이 | USACO 2017 January Bronze | 13 | 33 | 39.39% |
| 4009 | 소 일으키기 translate | USACO 2017 January Bronze | 1 | 1 | 100.00% |
 4010 | 소는 왜 길을 건너갔을까? 10 | USACO 2017 February Platinum | 11 | 55 | 20.00% |
 4011 | 소는 왜 길을 건너갔을까? 11 | USACO 2017 February Platinum | 14 | 25 | 56.00% |
 4012 | 소는 왜 길을 건너갔을까? 12 | USACO 2017 February Platinum | 10 | 23 | 43.48% |
 4013 | 소는 왜 길을 건너갔을까? 7 | USACO 2017 February Gold | 19 | 28 | 67.86% |
 4014 | 소는 왜 길을 건너갔을까? 8 | USACO 2017 February Gold | 17 | 30 | 56.67% |
| 4015 | 소는 왜 길을 건너갔을까? 9 | USACO 2017 February Gold | 15 | 25 | 60.00% |
 4016 | 소는 왜 길을 건너갔을까? 4 | USACO 2017 February Silver | 10 | 33 | 30.30% |
 4017 | 소는 왜 길을 건너갔을까? 5 | USACO 2017 February Silver | 5 | 9 | 55.56% |
 4018 | 소는 왜 길을 건너갔을까? 6 | USACO 2017 February Silver | 8 | 16 | 50.00% |
 4019 | 소는 왜 길을 건너갔을까? 1 | USACO 2017 February Bronze | 16 | 30 | 53.33% |
 4020 | 소는 왜 길을 건너갔을까? 2 translate | USACO 2017 February Bronze | 60 | 154 | 38.96% |
| 4021 | 소는 왜 길을 건너갔을까? 3 translate | USACO 2017 February Bronze | 23 | 26 | 88.46% |
| 4022 | Modern Art | USACO 2017 US Open Platinum | 0 | 0 | |
| 4023 | Switch Grass | USACO 2017 US Open Platinum | 1 | 5 | 20.00% |
| 4024 | COWBASIC | USACO 2017 US Open Platinum | 0 | 0 | |
| 4025 | Bovine Genomics | USACO 2017 US Open Gold | 0 | 0 | |
| 4026 | Modern Art 2 | USACO 2017 US Open Gold | 2 | 5 | 40.00% |
| 4027 | Paired Up | USACO 2017 US Open Silver | 1 | 1 | 100.00% |
| 4028 | Bovine Genomics translate | USACO 2017 US Open Silver | 1 | 2 | 50.00% |
| 4029 | Where's Bessie? | USACO 2017 US Open Silver | 0 | 0 | |
 4030 | 잃어버린 소 translate | USACO 2017 US Open Bronze | 3 | 7 | 42.86% |
 4031 | 얼룩말 유전자 translate | USACO 2017 US Open Bronze | 2 | 2 | 100.00% |
 4032 | Modern Art translate | USACO 2017 US Open Bronze | 3 | 4 | 75.00% |
| 4033 | Standing Out from the Herd | USACO 2017 December Platinum | 0 | 0 | |
| 4034 | Push a Box | USACO 2017 December Platinum | 0 | 0 | |
| 4035 | Greedy Gift Takers | USACO 2017 December Platinum | 0 | 0 | |
| 4036 | A Pie for a Pie | USACO 2017 December Gold | 0 | 0 | |
| 4037 | Barn Painting | USACO 2017 December Gold | 3 | 5 | 60.00% |
| 4038 | Haybale Feast | USACO 2017 December Gold | 1 | 2 | 50.00% |
| 4039 | My Cow Ate My Homework | USACO 2017 December Silver | 1 | 2 | 50.00% |
| 4040 | Milk Measurement | USACO 2017 December Silver | 0 | 0 | |
| 4041 | The Bovine Shuffle | USACO 2017 December Silver | 3 | 6 | 50.00% |
| 4042 | Blocked Billboard | USACO 2017 December Bronze | 4 | 4 | 100.00% |
| 4043 | The Bovine Shuffle translate | USACO 2017 December Bronze | 4 | 7 | 57.14% |
 4044 | Milk Measurement translate | USACO 2017 December Bronze | 1 | 6 | 16.67% |
| 4045 | Lifeguards | USACO 2018 January Platinum | 0 | 0 | |
 4046 | 경비원 call_split 서브태스크 | USACO 2018 January Platinum | 4 | 25 | 16.00% |
