| 1970 | 输出亲朋字符串 | 12 | 15 | 80.000% |
| 1971 | 大小写字母互换 | 11 | 18 | 61.111% |
| 1972 | 单词的长度 | 8 | 13 | 61.538% |
| 1973 | 谁拿了最多奖学金 | 9 | 10 | 90.000% |
| 1974 | 输出自己源代码的程序 | 11 | 29 | 37.931% |
| 1975 | 3787. 整除 | 34 | 53 | 64.151% |
| 1976 | [USACO1.1] 坏掉的项链 Broken Necklace | 7 | 15 | 46.667% |
| 1977 | 5375. 买苹果 | 41 | 49 | 83.673% |
| 1978 | 小苹果 | 30 | 52 | 57.692% |
| 1979 | 判断水仙花数 | 279 | 419 | 66.587% |
| 1980 | 解码字符串 | 34 | 69 | 49.275% |
| 1981 | 3490. 小平方 | 32 | 59 | 54.237% |
| 1982 | 4966. 填充 | 6 | 22 | 27.273% |
| 1983 | 871. 约数之和 | 6 | 22 | 27.273% |
| 1984 | 3491. 完全平方数 | 27 | 141 | 19.149% |
| 1985 | 比大小 | 21 | 31 | 67.742% |
| 1986 | 【例6.10】求x的n次方 | 22 | 32 | 68.750% |
| 1987 | 【例6.13】数组求和 | 11 | 20 | 55.000% |
| 1988 | 873.欧拉函数 | 48 | 90 | 53.333% |
| 1989 | 求星期几 | 13 | 20 | 65.000% |
| 1990 | 纯质数 | 3 | 10 | 30.000% |
| 1991 | 斐波那契数列的最大公约数 | 3 | 11 | 27.273% |
| 1992 | 13-y-GCD | 18 | 57 | 31.579% |
| 1993 | 乘法逆元 | 5 | 5 | 100.000% |
| 1994 | 费马小定理求逆元 | 4 | 8 | 50.000% |
| 1995 | 877. 扩展欧几里得算法 | 12 | 21 | 57.143% |
| 1996 | 890.能被整除的数 | 6 | 19 | 31.579% |
| 2000 | 素数 | 69 | 130 | 53.077% |
| 2001 | 最佳游览线路 | 22 | 209 | 10.526% |
| 2003 | 智力大冲浪 | 9 | 156 | 5.769% |
| 2004 | 考试鄙视 | 5 | 122 | 4.098% |
| 2005 | 货物搬运 | 5 | 91 | 5.495% |
| 2006 | 前缀和 | 120 | 349 | 34.384% |
| 2007 | 一维差分 | 80 | 264 | 30.303% |
| 2008 | 差分矩阵 | 23 | 48 | 47.917% |
| 2009 | 二维差分 | 21 | 78 | 26.923% |
| 2010 | 阶乘分解 | 4 | 12 | 33.333% |
| 2011 | 数的三次方根 | 37 | 65 | 56.923% |
| 2012 | 789. 数的范围 | 22 | 50 | 44.000% |
| 2013 | 123. 士兵 | 23 | 33 | 69.697% |
| 2014 | 最优装载问题 | 43 | 153 | 28.105% |
| 2015 | 背包问题（贪心） | 42 | 150 | 28.000% |
| 2016 | 会议管理 | 12 | 28 | 42.857% |
| 2017 | 二分搜索 | 46 | 166 | 27.711% |
| 2018 | 机器人跳跃 | 21 | 67 | 31.343% |
| 2019 | 归并排序 | 10 | 29 | 34.483% |
| 2020 | the longest continuous non repeating subsequence | 27 | 67 | 40.299% |
| 2021 | judge the subsequence | 14 | 22 | 63.636% |
| 2022 | 最长上升子序列 | 17 | 22 | 77.273% |
| 2023 | 质数王国 | 8 | 12 | 66.667% |