| 1952 | [Sdoi2010]城市规划省选 | 0 |
| 1953 | [2009国家集训队]神奇的K线省选 | 0 |
| 1954 | Pku3764 The xor-longest Path省选 | 1 |
| 1955 | [Wuhan2010]Assembling Services省选 | 0 |
| 1956 | Pku3763 Tour in Wonder Land省选 | 0 |
| 1957 | [Baltic2010]Bears省选 | 0 |
| 1958 | [Baltic2010]lego省选 | 0 |
| 1959 | [Baltic2010]Pcb省选 | 0 |
| 1960 | [Baltic2010]Bins省选 | 0 |
| 1961 | [Baltic2010]candies省选 | 0 |
| 1962 | 模型王子省选 | 0 |
| 1963 | 最小和省选 | 0 |
| 1964 | hull 三维凸包省选 | 0 |
| 1965 | [Ahoi2005]SHUFFLE 洗牌
省选 | 0 |
| 1966 | [Ahoi2005]VIRUS 病毒检测省选 | 0 |
| 1967 | [Ahoi2005]CROSS 穿越磁场省选 | 0 |
| 1968 | [Ahoi2005]COMMON 约数研究省选 | 3 |
| 1969 | [Ahoi2005]LANE 航线规划省选 | 0 |
| 1970 | [Ahoi2005]Code 矿藏编码省选 | 1 |
| 1971 | [Poi2003]Connections省选 | 0 |
| 1972 | [Sdoi2010]猪国杀省选 | 8 |
| 1973 | Jack and Jill
省选 | 0 |
| 1974 | [Sdoi2010]auction 代码拍卖会省选 | 1 |
| 1975 | [Sdoi2010]魔法猪学院省选 | 4 |
| 1976 | [BeiJing2010组队]能量魔方 Cube省选 | 0 |
| 1977 | [BeiJing2010组队]次小生成树 Tree省选 | 3 |
| 1978 | [BeiJing2010]取数游戏 game省选 | 0 |
| 1979 | Spoj685 Seqpar省选 | 0 |
| 1980 | Pku3375 Network Connection省选 | 0 |
| 1981 | [Google Codejam2010]Fence省选 | 0 |
| 1982 | [Spoj 2021]Moving Pebbles省选 | 0 |
| 1983 | 毛毛虫的伪装省选 | 0 |
| 1984 | 月下“毛景树”省选 | 2 |
| 1985 | Sgu229 Divide and conquer
省选 | 0 |
| 1986 | [USACO2004 Dec] Dividing the Path 划区灌溉省选 | 0 |
| 1987 | Zju2672 Fibonacci Subsequence省选 | 0 |
| 1988 | The Teacher’s Side of Math省选 | 0 |
| 1989 | Bonus 奖励计划省选 | 0 |
| 1990 | [Pku1395]Cog-Wheels省选 | 0 |
| 1991 | Pku2422 The Wolves and the Sheep省选 | 0 |
| 1992 | Pku2055 Kid省选 | 0 |
| 1993 | Pku2947 Widget Factory省选 | 0 |
| 1994 | Pku2238省选 | 1 |
| 1995 | Vijos1486 Triangle省选 | 0 |
| 1996 | [Hnoi2010]chorus 合唱队省选 | 0 |
| 1997 | [Hnoi2010]Planar省选 | 1 |
| 1998 | [Hnoi2010]Fsk物品调度省选 | 0 |
| 1999 | [Noip2007]Core树网的核省选 | 0 |
| 2000 | [Hnoi2010]stone 取石头游戏省选 | 2 |
| 2001 | [Hnoi2010]City 城市建设省选 | 1 |
