| 1940 | [NOIP2003][模拟]乒乓球 | 0/0 | |
| 1941 | [模拟]蠕虫游戏 | 0/0 | |
| 1942 | [模拟]数字接力 | 0/0 | |
| 1943 | [模拟][排序]谁拿了最多奖学金 | 2/2 | |
| 1944 | [模拟]贪吃蛇 | 0/0 | |
| 1945 | [模拟]统计数字 | 0/0 | |
| 1946 | [模拟]校门外的树 | 0/0 | |
| 1947 | [模拟]奇特的约瑟夫 | 0/0 | |
| 1948 | [模拟]那天星期几 | 1/2 | |
| 1949 | [模拟]那天星期几(2) | 1/2 | |
| 1950 | 三角设计 | 0/1 | |
| 1951 | [模拟]约瑟夫问题 | 1/1 | |
| 1952 | USACO 2024 December Contest, Bronze Problem 3. It's Mooin' Time | 1/1 | |
| 1953 | USACO 2024 December Contest, Bronze Problem 2. Farmer John's Cheese Block | 0/2 | |
| 1954 | Alban's New Year Embellishment | 10/56 | |
| 1955 | Make the Farm great again | 3/31 | |
| 1956 | The great battle is imminent | 4/15 | |
| 1957 | The Empire's Absolute Defense | 1/11 | |
| 1958 | Bansho Tan'in | 5/5 | |
| 1959 | A boring problem | 3/20 | |
| 1960 | [USACO 2022 US Open Contest Bronze] Problem 1. Photoshoot | 1/5 | |
| 1961 | [USACO 2022 US Open Contest Bronze] Problem 2. Counting Liars | 2/2 | |
| 1962 | [USACO 2022 US Open Contest Bronze] Problem 3. Alchemy | 1/1 | |
| 1963 | [USACO 2022 US Open Contest Silver] Problem 1. Visits | 1/1 | |
| 1964 | [USACO 2022 US Open Contest Silver] Problem 2. Subset Equality | 1/1 | |
| 1965 | [USACO 2022 US Open Contest Silver] Problem 3. COW Operations | 1/1 | |
| 1966 | [USACO 2022 US Open Contest Gold] Problem 1. Apple Catching | 1/5 | |
| 1967 | [USACO 2022 US Open Contest Gold] Problem 2. Pair Programming | 1/2 | |
| 1969 | [USACO 2022 December Contest Bronze] Problem 1. Cow College | 1/1 | |
| 1970 | [USACO 2022 December Contest Bronze] Problem 2. Feeding the Cows | 1/3 | |
| 1971 | [USACO 2022 December Contest Bronze] Problem 3. Reverse Engineering | 1/1 | |
| 1973 | [USACO 2022 December Contest Silver] Problem 2. Circular Barn | 1/1 | |
| 1975 | [USACO 2022 December Contest Gold] Problem 1. Bribing Friends | 1/2 | |
| 1976 | [USACO 2022 December Contest Gold] Problem 2. Mountains | 1/1 | |
| 1977 | [USACO 2022 December Contest Gold] Problem 3. Strongest Friendship Group | 1/1 | |
| 1978 | [USACO 2023 January Contest Bronze] Problem 1. Leaders | 1/1 | |
| 1979 | [USACO 2023 January Contest Bronze] Problem 2. Air Cownditioning II | 1/1 | |
| 1980 | [USACO 2023 January Contest Bronze] Problem 3. Moo Operations | 1/5 | |
| 1981 | [USACO 2023 January Contest Silver] Problem 1. Find and Replace | 1/2 | |
| 1982 | [USACO 2023 January Contest Silver] Problem 2. Following Directions | 2/2 | |
| 1984 | [USACO 2023 January Contest Gold] Problem 1. Find and Replace | 1/1 | |
| 1985 | [USACO 2023 January Contest Gold] Problem 2. Lights Off | 1/1 | |
| 1986 | [USACO 2023 January Contest Gold] Problem 3. Moo Route | 1/2 | |
| 1987 | [USACO 2023 February Contest Bronze] Problem 1. Hungry Cow | 1/4 | |
| 1988 | [USACO 2023 February Contest Bronze] Problem 2. Stamp Grid | 1/1 | |
| 1989 | [USACO 2023 February Contest Bronze] Problem 3. Watching Mooloo | 1/2 | |
| 1990 | [USACO 2023 February Contest Silver] Problem 1. Bakery | 1/1 | |
| 1991 | [USACO 2023 February Contest Silver] Problem 2. Cow-libi | 1/3 | |
| 1992 | [USACO 2023 February Contest Silver] Problem 3. Moo Route II | 1/2 | |