| 2863 | ABC149D - Prediction and Restriction | 0 | 0 | 0.000% |
| 2864 | ABC151A - Next Alphabet | 4 | 5 | 80.000% |
| 2865 | ABC149A - Concatenating Strings | 4 | 4 | 100.000% |
| 2866 | 图的m着色问题 | 2 | 2 | 100.000% |
| 2867 | 【递归】二分查找 | 32 | 65 | 49.231% |
| 2868 | 【DP】最长公共子序列 LCS加强版 | 10 | 22 | 45.455% |
| 2869 | ABC185E Sequence Matching | 1 | 1 | 100.000% |
| 2870 | USACO2021FebP1 Year of the Cow | 4 | 6 | 66.667% |
| 2871 | n个数取r个数的全排列 | 72 | 114 | 63.158% |
| 2872 | 【2014赛前模拟二】跳石头游戏 | 19 | 26 | 73.077% |
| 2873 | 在字符串中查找第一次出现的字符（栈和队列） | 27 | 31 | 87.097% |
| 2874 | 银行业务队列 | 51 | 109 | 46.789% |
| 2875 | 最短路径问题 | 3 | 2 | 150.000% |
| 2876 | 最小花费 | 4 | 12 | 33.333% |
| 2877 | P1217 [USACO1.5] 回文质数 Prime Palindromes（普及-） | 28 | 115 | 24.348% |
| 2878 | ABC192B - uNrEaDaBlE sTrInG | 5 | 11 | 45.455% |
| 2879 | 在数组中查找两个数之和等于输入的另一个数（栈和队列） | 11 | 20 | 55.000% |
| 2880 | dfs图的遍历 | 106 | 167 | 63.473% |
| 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 | 38 | 91 | 41.758% |
| 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% |