| 7802 | 一维数组基本练习——插入 | 189 | 295 | 64.1% |
| 7803 | 一维数组基本练习——插入（变式1） | 176 | 264 | 66.7% |
| 7804 | 一维数组基本练习——插入（变式2） | 216 | 349 | 61.9% |
| 7806 | 一维数组基本练习——插入（变式4） | 467 | 684 | 68.3% |
| 7807 | 一维数组基本练习——插入（变式5） | 204 | 289 | 70.6% |
| 7808 | 一维数组基本练习——删除 | 192 | 292 | 65.8% |
| 7809 | 一维数组基本练习——删除（变式1） | 264 | 350 | 75.4% |
| 7810 | 一维数组基本练习——删除（变式2） | 197 | 293 | 67.2% |
| 7811 | 一维数组基本练习——删除（变式3） | 847 | 1103 | 76.8% |
| 7812 | 一维数组基本练习——删除（变式4） | 371 | 451 | 82.3% |
| 7813 | 一维数组基本练习——插入删除 | 202 | 279 | 72.4% |
| 7814 | 一维数组基本练习——插入删除（变式1） | 206 | 261 | 78.9% |
| 7815 | 一维数组基本练习——插入删除（变式2） | 160 | 265 | 60.4% |
| 7816 | 一维数组基本练习——插入删除（变式3） | 209 | 321 | 65.1% |
| 7817 | 换啤酒 | 1 | 8 | 12.5% |
| 7818 | 选编程牛牛 | 60 | 258 | 23.3% |
| 7819 | 子矩阵 | 7 | 16 | 43.8% |
| 7820 | 味子圣诞礼物 | 7 | 7 | 100.0% |
| 7822 | 线性时间选择（递归分治） | 481 | 1153 | 41.7% |
| 7823 | 矩阵连乘（动态规划） | 367 | 910 | 40.3% |
| 7826 | 粉刷匠 | 16 | 306 | 5.2% |
| 7827 | 好朋友 | 128 | 405 | 31.6% |
| 7828 | 卫星 | 40 | 153 | 26.1% |
| 7829 | 统计人口 | 78 | 273 | 28.6% |
| 7832 | 逛校园 | 20 | 206 | 9.7% |
| 7833 | 九峰的数字 | 17 | 348 | 4.9% |
| 7834 | 万老师的签到题 | 1 | 8 | 12.5% |
| 7835 | 树套树 | 146 | 310 | 47.1% |
| 7836 | 十六分身 | 133 | 187 | 71.1% |
| 7837 | 数学带师 | 58 | 618 | 9.4% |
| 7838 | 排兵布阵 | 44 | 224 | 19.6% |
| 7839 | 布阵排兵 | 12 | 131 | 9.2% |
| 7840 | 耗子尾汁 | 29 | 234 | 12.4% |
| 7841 | AD钙奶 | 122 | 325 | 37.5% |
| 7842 | 因子 | 15 | 126 | 11.9% |
| 7846 | 流水作业调度 | 23 | 173 | 13.3% |
| 7848 | 单源最短路径 | 4 | 22 | 18.2% |
| 7849 | 最小生成树 | 106 | 289 | 36.7% |
| 7851 | 单源最短路径（分支限界法） | 28 | 97 | 28.9% |
| 7853 | 围棋赛2 | 180 | 354 | 50.8% |
| 7854 | 打飞机系统设计讲解 | 0 | 9 | 0.0% |
| 7855 | 闰年 | 50 | 57 | 87.7% |
| 7860 | 勘破神机 | 5 | 7 | 71.4% |
| 7861 | 老司机 | 1 | 1 | 100.0% |
| 7862 | 简单的最大公约数 | 2 | 8 | 25.0% |
| 7863 | 单枪匹马 | 1 | 1 | 100.0% |
| 7864 | 礼物 | 1 | 1 | 100.0% |
| 7865 | 巡逻 | 1 | 1 | 100.0% |
| 7866 | 模拟只会猜题意 | 1 | 1 | 100.0% |
| 7867 | DNA 序列 | 1 | 3 | 33.3% |
| 7868 | 扫雷 | 2 | 2 | 100.0% |
| 7869 | 体育成绩统计 | 1 | 1 | 100.0% |
| 7870 | JOI 徽章 | 1 | 1 | 100.0% |
| 7872 | zhx's contest | 7 | 12 | 58.3% |
| 7873 | 小明的新运算 | 74 | 225 | 32.9% |
| 7874 | 最大价值 | 102 | 196 | 52.0% |
| 7875 | 数方格 | 38 | 52 | 73.1% |
| 7876 | 数学计算路 | 47 | 64 | 73.4% |
| 7885 | 「NOIP2012」借教室 | 1 | 1 | 100.0% |
| 7886 | 【12NOIP提高组】疫情控制 | 1 | 2 | 50.0% |
| 7887 | 【11NOIP提高组】观光公交 | 1 | 13 | 7.7% |
| 7888 | 计算身体质量指数BMI（此题自己写好出结果就好，提交都是不对的） | 0 | 17 | 0.0% |
| 7889 | 设计一个三维向量类 | 48 | 60 | 80.0% |
| 7890 | 注意事项 | 1 | 10 | 10.0% |
| 7891 | N 皇后方案 | 13 | 88 | 14.8% |
| 7892 | 旅行售货员问题 | 4 | 18 | 22.2% |
| 7893 | 最大前缀和 | 2 | 2 | 100.0% |
| 7894 | 分手是祝愿 | 3 | 3 | 100.0% |
| 7895 | 猎人杀 | 1 | 1 | 100.0% |
| 7896 | 小 Y 和恐怖的奴隶主 | 1 | 1 | 100.0% |
| 7897 | 随机游走 | 1 | 2 | 50.0% |
| 7903 | 光线 | 1 | 1 | 100.0% |
| 7905 | 国际象棋 | 1 | 2 | 50.0% |
| 7906 | game | 1 | 1 | 100.0% |
| 7908 | 黑暗前的幻想乡 | 1 | 1 | 100.0% |
| 7909 | Magic | 2 | 2 | 100.0% |
| 7918 | 廊桥分配(airport) | 5 | 7 | 71.4% |
| 7920 | 回文（palin） | 1 | 7 | 14.3% |
| 7921 | 交通规划(traffic) | 1 | 4 | 25.0% |
| 7922 | 那些年非常高的人 | 35 | 42 | 83.3% |
| 7923 | 那些年非常高的人进阶版 | 1 | 1 | 100.0% |
| 7924 | 那些年非常高的人超级进阶版 | 1 | 1 | 100.0% |
| 7925 | 礼物 | 60 | 171 | 35.1% |
| 7926 | 数字游戏 | 1 | 2 | 50.0% |
| 7927 | 通关游戏 | 1 | 3 | 33.3% |
| 7928 | 十进制数转换成七进制数 | 5 | 5 | 100.0% |
| 7929 | 七进制数转换成十进制数 | 1 | 1 | 100.0% |
| 7930 | 十进制数转换成三进制数 | 4 | 4 | 100.0% |
| 7931 | 算算有多少个“1”（进阶版） | 1 | 1 | 100.0% |
| 7932 | 赋分（score） | 27 | 48 | 56.2% |
| 7933 | 臭豆腐(tofu) | 46 | 94 | 48.9% |
| 7934 | 网格(grid) | 2 | 4 | 50.0% |
| 7935 | 选取(choose) | 37 | 103 | 35.9% |
| 7936 | 高精度乘法(高精度与个位) | 3 | 4 | 75.0% |
| 7937 | 分数累加 | 6 | 23 | 26.1% |
| 7938 | 810975 | 3 | 107 | 2.8% |
| 7939 | 9ls的魔方问题 | 1 | 18 | 5.6% |
| 7940 | stay away from emo | 4 | 51 | 7.8% |
| 7941 | 飙酷车王xsj | 43 | 362 | 11.9% |
| 7942 | xsj的雪中冒险 | 6 | 55 | 10.9% |
| 7943 | 怀旧的zxp | 179 | 300 | 59.7% |
| 7944 | 简单数学 | 12 | 174 | 6.9% |
| 7945 | English question | 141 | 372 | 37.9% |
| 7946 | game | 1 | 34 | 2.9% |
| 7947 | 心爱的显示器 | 108 | 263 | 41.1% |
| 7948 | R | 24 | 35 | 68.6% |
| 7949 | Paint by Rectangles | 1 | 6 | 16.7% |
| 7959 | 小 Z 的袜子 | 7 | 19 | 36.8% |
| 7960 | 小B的询问 | 10 | 28 | 35.7% |
| 7961 | Rmq Problem | 2 | 2 | 100.0% |
| 7962 | Easy String Problem | 1 | 1 | 100.0% |
| 7969 | Sprinklers 2: Return of the Alfalfa | 3 | 5 | 60.0% |
| 7970 | Exercise | 1 | 7 | 14.3% |
| 7971 | Lots of Triangles | 1 | 3 | 33.3% |
| 7973 | Robotic Cow Herd | 1 | 1 | 100.0% |
| 7974 | Moocast | 12 | 20 | 60.0% |
| 7975 | 检查 Checklist | 23 | 35 | 65.7% |
| 7976 | Lasers and Mirrors | 27 | 137 | 19.7% |
| 7977 | 数干草包 Counting Haybales | 20 | 67 | 29.9% |
| 7978 | Cities and States | 24 | 50 | 48.0% |
| 7980 | 方形牧场 | 60 | 89 | 67.4% |
| 7981 | 方块游戏 | 76 | 127 | 59.8% |
| 7982 | 奶牛信号 | 134 | 177 | 75.7% |
| 7984 | Haircut | 8 | 14 | 57.1% |
| 7985 | 困牛放牧 | 109 | 230 | 47.4% |
| 7986 | 大型植被恢复 | 51 | 80 | 63.8% |
| 7987 | Measuring Traffic | 29 | 62 | 46.8% |
| 7988 | 困牛放牧 | 26 | 115 | 22.6% |
| 7989 | 谷仓刷漆 | 32 | 70 | 45.7% |
| 7991 | Balance Beam | 1 | 1 | 100.0% |
| 7992 | 种植 | 28 | 77 | 36.4% |
| 7993 | 牛乐园 | 7 | 11 | 63.6% |
| 7994 | 洗盘子 Dishwashing | 10 | 15 | 66.7% |
| 7995 | Painting the Barn 谷仓刷漆 | 8 | 10 | 80.0% |
| 7997 | Cow Dating | 3 | 9 | 33.3% |
| 7998 | Moorio Kart | 2 | 5 | 40.0% |
| 8002 | Shell Game | 51 | 108 | 47.2% |
| 8003 | Sleepy Cow Sorting | 43 | 96 | 44.8% |
| 8005 | Guess the Animal | 2 | 2 | 100.0% |
| 8006 | Grass Planting | 44 | 92 | 47.8% |
| 8007 | Icy Perimeter | 23 | 52 | 44.2% |
| 8009 | 山顶风光 | 23 | 54 | 42.6% |
| 8011 | Cow Poetry 牛诗 | 8 | 17 | 47.1% |
| 8012 | Sleepy Cow Sorting | 14 | 29 | 48.3% |
| 8020 | Train Tracking 2 | 1 | 1 | 100.0% |
| 8023 | Social Distancing | 18 | 35 | 51.4% |
| 8024 | 麦片 | 62 | 160 | 38.8% |
| 8026 | 牛粒子 | 46 | 83 | 55.4% |
| 8027 | 社交距离 I | 9 | 85 | 10.6% |
| 8028 | 社交距离 II | 15 | 34 | 44.1% |
| 8029 | 接触追踪 | 7 | 18 | 38.9% |
| 8033 | Timeline 时间线 | 13 | 31 | 41.9% |
| 8034 | Help Yourself 帮助自己 | 8 | 17 | 47.1% |
| 8035 | Delegation | 2 | 4 | 50.0% |
| 8036 | Swapity Swapity Swap | 25 | 86 | 29.1% |
| 8037 | Triangles | 13 | 49 | 26.5% |
| 8038 | 时钟树Timeline | 27 | 45 | 60.0% |
| 8039 | Triangles | 14 | 27 | 51.9% |
| 8040 | Mad Scientist | 13 | 22 | 59.1% |
| 8041 | Swapity Swap | 6 | 14 | 42.9% |
| 8048 | Censoring | 4 | 9 | 44.4% |
| 8049 | Fencing the Herd 围住牛群 | 2 | 5 | 40.0% |
| 8050 | Censoring 删减 | 12 | 30 | 40.0% |
| 8052 | Superbull 超级公牛 | 16 | 22 | 72.7% |
| 8053 | Censoring (Bronze) 删减 | 3 | 6 | 50.0% |
| 8056 | Cow Rectangles | 1 | 6 | 16.7% |
| 8057 | 电影 | 4 | 9 | 44.4% |
| 8059 | Stampede 狂奔 | 13 | 26 | 50.0% |
| 8060 | Cow Routing 奶牛线路 | 17 | 62 | 27.4% |
| 8062 | Cow Routing | 13 | 39 | 33.3% |
| 8065 | Meeting Time | 13 | 21 | 61.9% |
| 8066 | 负载平衡p | 4 | 4 | 100.0% |
| 8068 | 圆形牛棚p | 1 | 1 | 100.0% |
| 8069 | Circular Barn | 3 | 7 | 42.9% |
| 8070 | 圆形牛棚的再次讨论 | 5 | 6 | 83.3% |
| 8071 | Fenced In | 7 | 23 | 30.4% |
| 8072 | Hoofball | 22 | 63 | 34.9% |
| 8073 | Taming the Herd | 37 | 90 | 41.1% |
| 8074 | Rest Stops | 35 | 108 | 32.4% |
| 8075 | Snow Boots | 8 | 13 | 61.5% |
| 8076 | Teleportation | 4 | 5 | 80.0% |
| 8077 | Snow Boots | 6 | 24 | 25.0% |
| 8079 | Directory Traversal | 3 | 5 | 60.0% |
| 8080 | Taming the Herd | 4 | 5 | 80.0% |
| 8083 | Team Tic Tac Toe | 2 | 9 | 22.2% |
| 8084 | Milking Order | 11 | 28 | 39.3% |
| 8085 | Family Tree | 6 | 13 | 46.2% |
| 8086 | 排序 | 14 | 25 | 56.0% |
| 8087 | Lemonade Line | 1 | 2 | 50.0% |
| 8088 | Multiplayer Moo | 1 | 1 | 100.0% |
| 8089 | Out of Sorts 2 | 1 | 1 | 100.0% |
| 8090 | Milking Order | 1 | 1 | 100.0% |
| 8091 | Talent Show | 10 | 12 | 83.3% |
| 8095 | Teleportation | 3 | 3 | 100.0% |
| 8101 | Clockwise Fence | 5 | 5 | 100.0% |
| 8102 | Sum of Distances | 1 | 2 | 50.0% |
| 8103 | Minimum Cost Paths | 1 | 1 | 100.0% |
| 8114 | Cave Paintings | 5 | 14 | 35.7% |
| 8115 | Non-Decreasing Subsequences | 1 | 1 | 100.0% |
| 8116 | Falling Portals | 1 | 4 | 25.0% |