| #20901 | Transforming PairsUSACO 2025 February Silver | |
| #20902 | Bessie's FunctionUSACO 2025 February Gold | |
| #20903 | The Best SubsequenceUSACO 2025 February Gold | |
| #20904 | Friendship EditingUSACO 2025 February Gold | |
| #20905 | Hoof Paper Scissors Minus OneUSACO 2025 US Open Bronze | |
| #20906 | More Cow PhotosUSACO 2025 US Open Bronze | |
| #20907 | It's Mooin' Time IIIUSACO 2025 US Open Bronze | |
| #20908 | Sequence ConstructionUSACO 2025 US Open Silver | |
| #20909 | Compatible PairsUSACO 2025 US Open Silver | |
| #20910 | Ski SlopeUSACO 2025 US Open Silver | |
| #20911 | Moo DecompositionUSACO 2025 US Open Gold | |
| #20912 | Election QueriesUSACO 2025 US Open Gold | |
| #20913 | OohMoo MilkUSACO 2025 US Open Gold | |
| #20914 | Shell GameUSACO 2019 January Bronze | |
| #20915 | Sleepy Cow SortingUSACO 2019 January Bronze | |
| #20916 | Guess the AnimalUSACO 2019 January Bronze | |
| #20917 | Grass PlantingUSACO 2019 January Silver | |
| #20918 | Icy PerimeterUSACO 2019 January Silver | |
| #20919 | Mountain ViewUSACO 2019 January Silver | |
| #20920 | Cow PoetryUSACO 2019 January Gold | |
| #20921 | Sleepy Cow SortingUSACO 2019 January Gold | |
| #20922 | ShortcutUSACO 2019 January Gold | |
| #20923 | Sleepy Cow HerdingUSACO 2019 February Bronze | |
| #20924 | The Great RevegetationUSACO 2019 February Bronze | |
| #20925 | Measuring TrafficUSACO 2019 February Bronze | |
| #20926 | Sleepy Cow HerdingUSACO 2019 February Silver | |
| #20927 | Painting the BarnUSACO 2019 February Silver | |
| #20928 | The Great RevegetationUSACO 2019 February Silver | |
| #20929 | Cow LandUSACO 2019 February Gold | |
| #20930 | DishwashingUSACO 2019 February Gold | |
| #20931 | Painting the BarnUSACO 2019 February Gold | |
| #20932 | Bucket BrigadeUSACO 2019 Open Bronze | |
| #20933 | Milk FactoryUSACO 2019 Open Bronze | |
| #20934 | Cow EvolutionUSACO 2019 Open Bronze | |
| #20935 | Left OutUSACO 2019 Open Silver | |
| #20936 | Cow Steeplechase IIUSACO 2019 Open Silver | |
| #20937 | Fence PlanningUSACO 2019 Open Silver | |
| #20938 | SnakesUSACO 2019 Open Gold | |
| #20939 | I Would Walk 500 MilesUSACO 2019 Open Gold | |
| #20940 | Balancing InversionsUSACO 2019 Open Gold | |
| #20941 | Cow GymnasticsUSACO 2019 December Bronze | |
| #20942 | Where Am I?USACO 2019 December Bronze | |
| #20943 | Livestock LineupUSACO 2019 December Bronze | |
| #20944 | MooBuzzUSACO 2019 December Silver | |
| #20945 | MeetingsUSACO 2019 December Silver | |
| #20946 | Milk VisitsUSACO 2019 December Silver | |
| #20947 | Milk PumpingUSACO 2019 December Gold | |
| #20948 | Milk VisitsUSACO 2019 December Gold | |
| #20949 | Moortal CowmbatUSACO 2019 December Gold | |
| #20950 | Word ProcessorUSACO 2020 January Bronze | |
| #20951 | PhotoshootUSACO 2020 January Bronze | |
| #20952 | RaceUSACO 2020 January Bronze | |
| #20953 | Berry PickingUSACO 2020 January Silver | |
| #20954 | Loan RepaymentUSACO 2020 January Silver | |
| #20955 | Wormhole SortUSACO 2020 January Silver | |
| #20956 | Time is MooneyUSACO 2020 January Gold | |
| #20957 | Farmer John Solves 3SUMUSACO 2020 January Gold | |
| #20958 | SpringboardsUSACO 2020 January Gold | |
| #20959 | TrianglesUSACO 2020 February Bronze | |
| #20960 | Mad ScientistUSACO 2020 February Bronze | |
| #20961 | Swapity SwapUSACO 2020 February Bronze | |
| #20962 | Swapity Swapity SwapUSACO 2020 February Silver | |
| #20963 | TrianglesUSACO 2020 February Silver | |
| #20964 | Clock TreeUSACO 2020 February Silver | |
| #20965 | TimelineUSACO 2020 February Gold | |
| #20966 | Help YourselfUSACO 2020 February Gold | |
| #20967 | DelegationUSACO 2020 February Gold | |
| #20968 | Social Distancing IUSACO 2020 US Open Bronze | |
| #20969 | Social Distancing IIUSACO 2020 US Open Bronze | |
| #20970 | Cowntact TracingUSACO 2020 US Open Bronze | |
| #20971 | Social DistancingUSACO 2020 US Open Silver | |
| #20972 | CerealUSACO 2020 US Open Silver | |
| #20973 | The Moo ParticleUSACO 2020 US Open Silver | |
| #20974 | HaircutUSACO 2020 US Open Gold | |
| #20975 | Favorite ColorsUSACO 2020 US Open Gold | |
| #20976 | ExerciseUSACO 2020 US Open Gold | |
| #20977 | Do You Know Your ABCs?USACO 2020 December Bronze | |
| #20978 | Daisy ChainsUSACO 2020 December Bronze | |
| #20979 | Stuck in a RutUSACO 2020 December Bronze | |
| #20980 | CowntagionUSACO 2020 December Silver | |
| #20981 | Rectangular PastureUSACO 2020 December Silver | |
| #20982 | Stuck in a RutUSACO 2020 December Silver | |
| #20983 | ReplicationUSACO 2020 December Gold | |
| #20984 | Bovine GeneticsUSACO 2020 December Gold | |
| #20985 | Square PastureUSACO 2020 December Gold | |
| #20986 | Don't Be Last!USACO 2017 January Bronze | |
| #20987 | Hoof, Paper, ScissorsUSACO 2017 January Bronze | |
| #20988 | Cow TippingUSACO 2017 January Bronze | |
| #20989 | Cow Dance ShowUSACO 2017 January Silver | |
| #20990 | Hoof, Paper, ScissorsUSACO 2017 January Silver | |
| #20991 | Secret Cow CodeUSACO 2017 January Silver | |
| #20992 | Balanced PhotoUSACO 2017 January Gold | |
| #20993 | Hoof, Paper, ScissorsUSACO 2017 January Gold | |
| #20994 | Cow NavigationUSACO 2017 January Gold | |
| #20995 | Promotion CountingUSACO 2017 January Platinum | |
| #20996 | Building a Tall BarnUSACO 2017 January Platinum | |
| #20997 | Subsequence ReversalUSACO 2017 January Platinum | |
| #20998 | Why Did the Cow Cross the RoadUSACO 2017 February Bronze | |
| #20999 | Why Did the Cow Cross the Road IIUSACO 2017 February Bronze | |
| #21000 | Why Did the Cow Cross the Road IIIUSACO 2017 February Bronze | |