 4097 | Sleepy Cow Sorting auto_awesome 스페셜 저지 | USACO 2019 January Gold | 2 | 2 | 100.00% |
| 4098 | Shortcut | USACO 2019 January Gold | 1 | 3 | 33.33% |
| 4100 | Icy Perimeter | USACO 2019 January Silver | 1 | 2 | 50.00% |
| 4101 | Mountain View | USACO 2019 January Silver | 1 | 3 | 33.33% |
 4102 | Shell Game translate | USACO 2019 January Bronze | 5 | 8 | 62.50% |
 4103 | 졸린 소 정렬 translate | USACO 2019 January Bronze | 3 | 3 | 100.00% |
 4104 | Guess the Animal translate | USACO 2019 January Bronze | 2 | 2 | 100.00% |
| 4105 | Cow Dating | USACO 2019 February Platinum | 0 | 0 | |
| 4106 | Moorio Kart | USACO 2019 February Platinum | 0 | 0 | |
| 4107 | Mowing Mischief | USACO 2019 February Platinum | 0 | 1 | 0.00% |
 4108 | Cow Land | USACO 2019 February Gold | 3 | 8 | 37.50% |
| 4109 | Dishwashing | USACO 2019 February Gold | 1 | 1 | 100.00% |
 4110 | Painting the Barn | USACO 2019 February Gold | 1 | 1 | 100.00% |
| 4111 | Sleepy Cow Herding | USACO 2019 February Silver | 0 | 2 | 0.00% |
| 4112 | Painting the Barn | USACO 2019 February Silver | 2 | 6 | 33.33% |
| 4113 | The Great Revegetation | USACO 2019 February Silver | 1 | 4 | 25.00% |
 4114 | 수직선 세 점 translate | USACO 2019 February Bronze | 7 | 21 | 33.33% |
| 4115 | The Great Revegetation | USACO 2019 February Bronze | 1 | 1 | 100.00% |
 4116 | Measuring Traffic translate | USACO 2019 February Bronze | 1 | 1 | 100.00% |
| 4117 | Tree Boxes | USACO 2019 US Open Platinum | 0 | 0 | |
| 4118 | Compound Escape | USACO 2019 US Open Platinum | 0 | 0 | |
| 4119 | Valleys | USACO 2019 US Open Platinum | 0 | 0 | |
| 4120 | Snakes | USACO 2019 US Open Gold | 1 | 2 | 50.00% |
 4121 | I Would Walk 500 Miles | USACO 2019 US Open Gold | 2 | 3 | 66.67% |
| 4122 | Balancing Inversions | USACO 2019 US Open Gold | 0 | 0 | |
| 4123 | Left Out | USACO 2019 US Open Silver | 0 | 1 | 0.00% |
| 4124 | Cow Steeplechase II | USACO 2019 US Open Silver | 0 | 0 | |
| 4125 | Fence Planning | USACO 2019 US Open Silver | 0 | 0 | |
| 4126 | Bucket Brigade | USACO 2019 US Open Bronze | 0 | 0 | |
| 4127 | Milk Factory | USACO 2019 US Open Bronze | 0 | 0 | |
| 4128 | Cow Evolution translate | USACO 2019 US Open Contest, Bronze | 1 | 1 | 100.00% |
 4129 | Greedy Pie Eaters | USACO 2019 December Platinum | 1 | 1 | 100.00% |
| 4130 | Bessie's Snow Cow translate call_split 서브태스크 | USACO 2019 December Platinum | 2 | 3 | 66.67% |
 4131 | Tree Depth call_split 서브태스크 | USACO 2019 December Platinum | 4 | 15 | 26.67% |
| 4132 | Milk Pumping | USACO 2019 December Gold | 3 | 5 | 60.00% |
| 4133 | Milk Visits | USACO 2019 December Gold | 0 | 1 | 0.00% |
| 4134 | Moortal Cowmbat | USACO 2019 December Gold | 3 | 4 | 75.00% |
| 4135 | MooBuzz | USACO 2019 December Silver | 2 | 6 | 33.33% |
| 4136 | Meetings | USACO 2019 December Silver | 1 | 3 | 33.33% |
 4137 | Milk Visits | USACO 2019 December Silver | 2 | 2 | 100.00% |
| 4138 | Cow Gymnastics | USACO 2019 December Contest Bronze | 0 | 0 | |
| 4139 | Where Am I? | USACO 2019 December Contest Bronze | 0 | 0 | |
| 4140 | Livestock Lineup | USACO 2019 December Contest Bronze | 0 | 0 | |
| 4141 | Cave Paintings | USACO 2020 January Platinum | 0 | 0 | |
| 4142 | Non-Decreasing Subsequences | USACO 2020 January Platinum | 0 | 0 | |
| 4143 | Falling Portals | USACO 2020 January Platinum | 0 | 0 | |
 4144 | Time is Mooney | USACO 2020 January Contest Gold | 1 | 1 | 100.00% |
| 4145 | Farmer John Solves 3SUM | USACO 2020 January Gold | 1 | 2 | 50.00% |
| 4146 | Springboards | USACO 2020 January Gold | 2 | 3 | 66.67% |
| 4147 | Berry Picking | USACO 2020 January Silver | 1 | 1 | 100.00% |
