| 4047 | Sprinklers | USACO 2018 January Platinum | 0 | 0 | |
 4048 | MooTube | USACO 2018 January Gold | 6 | 14 | 42.86% |
| 4049 | Cow at Large translate | USACO 2018 January Gold | 4 | 5 | 80.00% |
 4050 | Stamp Painting | USACO 2018 January Gold | 2 | 3 | 66.67% |
 4051 | Lifeguards | USACO 2018 January Silver | 3 | 7 | 42.86% |
| 4052 | Rental Service | USACO 2018 January, Silver | 1 | 4 | 25.00% |
 4053 | MooTube | USACO 2018 January Silver | 3 | 3 | 100.00% |
 4054 | Blocked Billboard II | USACO 2018 January Bronze | 4 | 29 | 13.79% |
 4055 | 라이프가드 translate | USACO 2018 January Bronze | 2 | 3 | 66.67% |
| 4056 | Out of Place | USACO 2018 January Bronze | 0 | 0 | |
| 4057 | Slingshot | USACO 2018 February Platinum | 0 | 0 | |
| 4058 | New Barns | USACO 2018 February Platinum | 0 | 0 | |
| 4059 | Cow Gymnasts | USACO 2018 February Platinum | 0 | 0 | |
| 4060 | Snow Boots | USACO 2018 February Gold | 3 | 3 | 100.00% |
| 4061 | Directory Traversal | USACO 2018 February Gold | 0 | 0 | |
| 4062 | Taming the Herd | USACO 2018 February Gold | 1 | 2 | 50.00% |
| 4063 | Rest Stops | USACO 2018 February Silver | 1 | 1 | 100.00% |
 4064 | Snow Boots | USACO 2018 February Silver | 1 | 2 | 50.00% |
| 4065 | Teleportation | USACO 2018 February Silver | 0 | 0 | |
 4066 | Teleportation | USACO 2018 February Bronze | 6 | 7 | 85.71% |
| 4067 | Hoofball | USACO 2018 February Bronze | 3 | 5 | 60.00% |
 4068 | 소 잃고 외양간 고치기 translate | USACO 2018 February Bronze | 2 | 6 | 33.33% |
| 4069 | Out of Sorts | USACO 2018 US Open Platinum | 0 | 0 | |
| 4070 | Train Tracking | USACO 2018 US Open Platinum | 0 | 0 | |
 4071 | Disruption | USACO 2018 US Open Platinum | 1 | 1 | 100.00% |
| 4072 | Out of Sorts | USACO 2018 US Open Gold | 0 | 0 | |
 4073 | Milking Order | USACO 2018 US Open Gold | 3 | 4 | 75.00% |
| 4074 | Talent Show | USACO 2018 US Open Gold | 1 | 2 | 50.00% |
| 4075 | Out of Sorts | USACO 2018 US Open Silver | 1 | 1 | 100.00% |
| 4076 | Lemonade Line | USACO 2018 US Open Silver | 0 | 0 | |
| 4077 | Multiplayer Moo | USACO 2018 US Open Silver | 0 | 0 | |
| 4078 | Team Tic Tac Toe | USACO 2018 US Open Bronze | 2 | 2 | 100.00% |
| 4079 | Milking Order | USACO 2018 US Open Bronze | 2 | 9 | 22.22% |
| 4080 | Family Tree | USACO 2018 US Open Bronze | 1 | 4 | 25.00% |
| 4081 | Balance Beam | USACO 2018 December Platinum | 1 | 15 | 6.67% |
 4082 | Sort It Out | USACO 2018 December Platinum | 3 | 10 | 30.00% |
| 4083 | The Cow Gathering | USACO 2018 December Platinum | 0 | 0 | |
| 4084 | Fine Dining | USACO 2018 December Gold | 3 | 3 | 100.00% |
| 4085 | Cowpatibility | USACO 2018 December Gold | 0 | 0 | |
| 4086 | Teamwork | USACO 2018 December Gold | 4 | 9 | 44.44% |
| 4087 | Convention translate | USACO 2018 December Silver | 2 | 2 | 100.00% |
 4088 | Convention II | USACO 2018 December Silver | 2 | 2 | 100.00% |
| 4089 | Mooyo Mooyo | USACO 2018 December Silver | 1 | 1 | 100.00% |
| 4090 | 우유 섞기 translate | USACO 2018 December Bronze | 20 | 26 | 76.92% |
| 4091 | The Bucket List translate | USACO 2018 December Bronze | 2 | 2 | 100.00% |
 4092 | 왔다갔다 translate | USACO 2018 December Bronze | 1 | 2 | 50.00% |
| 4093 | Times 17 translate | USACO 2012 March Contest, Bronze Division | 1 | 2 | 50.00% |
| 4094 | Exercise Route | USACO 2019 January Platinum | 0 | 0 | |
| 4095 | Train Tracking 2 | USACO 2019 January Platinum | 1 | 7 | 14.29% |
| 4096 | Cow Poetry | USACO 2019 January Gold | 1 | 3 | 33.33% |
