| 2881 | USACO 2017 US Open Contest, Gold Problem 3. Modern Art 2 | 1 | 3 | 33.333% |
| 2882 | USACO 2021 February Contest, Gold Problem 2. Modern Art 3 | 4 | 13 | 30.769% |
| 2883 | AtCoder Grand Contest 031 B - Reversi | 3 | 3 | 100.000% |
| 2884 | 【树形动态规划】加分二叉树 | 4 | 2 | 200.000% |
| 2885 | USACO 2019 US Open Contest, Bronze Problem 2. Milk Factory | 1 | 1 | 100.000% |
| 2886 | 导弹拦截 | 6 | 12 | 50.000% |
| 2887 | [贪心算法]排队接水 | 37 | 90 | 41.111% |
| 2888 | USACO2021Open Siver02 - Do you know your ABC? | 0 | 1 | 0.000% |
| 2889 | USACO2021Open Gold01 - United Cows of Farmer John | 2 | 3 | 66.667% |
| 2890 | USACO2021Open Siver01 -Maze Tac Toe | 2 | 5 | 40.000% |
| 2891 | NOI 2021在线测试 P3 重力球 | 0 | 0 | 0.000% |
| 2892 | 破损的键盘 | 14 | 24 | 58.333% |
| 2893 | ABC197B Visibility | 1 | 1 | 100.000% |
| 2894 | 队列操作 | 73 | 116 | 62.931% |
| 2895 | 单链表模板题-请用数组模拟链表 | 4 | 10 | 40.000% |
| 2896 | 小猫爬山 | 1 | 1 | 100.000% |
| 2897 | Sudoku | 1 | 1 | 100.000% |
| 2898 | 蓝桥杯训练-年号字符串 | 30 | 32 | 93.750% |
| 2899 | 蓝桥杯赛迷宫（第10届C++省赛压轴题） | 7 | 12 | 58.333% |
| 2900 | 蓝桥杯赛-最大购物优惠（第10届C++第4题） | 7 | 12 | 58.333% |
| 2901 | 小老鼠走迷宫 | 11 | 21 | 52.381% |
| 2902 | 密室逃脱 | 17 | 37 | 45.946% |
| 2903 | 倒水 | 9 | 22 | 40.909% |
| 2904 | 再倒水 | 4 | 7 | 57.143% |
| 2905 | 倒水问题（3个杯子） | 14 | 23 | 60.870% |
| 2906 | CCF倒水问题 | 58 | 104 | 55.769% |
| 2907 | 小 X 学游泳 | 54 | 98 | 55.102% |
| 2908 | 八数码-训练套题T10T1 | 16 | 46 | 34.783% |
| 2909 | 插入队列 | 10 | 12 | 83.333% |
| 2910 | 最短路径模板题 | 9 | 11 | 81.818% |
| 2911 | 连续非质数子序列的最大长度 | 10 | 12 | 83.333% |
| 2912 | 考前临时抱佛脚 | 11 | 19 | 57.895% |
| 2913 | USACO 2021Open- Gold - P2 - Portals | 2 | 5 | 40.000% |
| 2914 | 最佳游览线路 | 1 | 2 | 50.000% |
| 2915 | 营养膳食 | 4 | 1 | 400.000% |
| 2916 | 最少转弯问题 | 47 | 94 | 50.000% |
| 2917 | NOIP2007提高组第3题 矩阵取数游戏 | 1 | 0 | 0.000% |
| 2918 | 垃圾陷阱 | 1 | 0 | 0.000% |
| 2919 | 护卫队 | 1 | 2 | 50.000% |
| 2920 | 饥饿的牛 | 2 | 2 | 100.000% |
| 2921 | 【基础背包入门3.1】单词的划分 | 1 | 0 | 0.000% |
| 2922 | 单词的划分 | 1 | 0 | 0.000% |
| 2923 | 埃及分数 | 8 | 7 | 114.286% |
| 2924 | NOIP2004普及组第2题 花生采摘 | 11 | 10 | 110.000% |
| 2925 | 放苹果 | 6 | 3 | 200.000% |
| 2926 | 【队列】面积 | 5 | 4 | 125.000% |
| 2927 | 家庭问题 | 3 | 1 | 300.000% |
| 2928 | 【队列】产生数 | 2 | 1 | 200.000% |
| 2929 | 珠心算-NOIP2014PJT1 | 8 | 18 | 44.444% |
| 2930 | 神牛果 | 3 | 5 | 60.000% |