| 4437 | Huffuman树 | 4 | 5 | 80.000% |
| 4438 | 最小差值生成树 | 1 | 3 | 33.333% |
| 4439 | 【二叉树】查找二叉树 | 6 | 6 | 100.000% |
| 4440 | P3397 地毯 | 28 | 55 | 50.909% |
| 4441 | 语文成绩 | 7 | 7 | 100.000% |
| 4443 | 最大正方形 | 11 | 14 | 78.571% |
| 4444 | 巨大的牛棚 | 23 | 27 | 85.185% |
| 4445 | 【字符串】最长回文子串 | 7 | 17 | 41.176% |
| 4446 | 火烧赤壁 | 20 | 37 | 54.054% |
| 4447 | P4122 [USACO17DEC] Blocked Billboard B | 0 | 23 | 0.000% |
| 4448 | 程序自动分析 | 21 | 35 | 60.000% |
| 4449 | 红牌 | 28 | 38 | 73.684% |
| 4450 | B3635硬币 | 17 | 25 | 68.000% |
| 4451 | 文字工作 | 10 | 16 | 62.500% |
| 4453 | P2913 [USACO08OCT] Wheel Rotation G | 20 | 27 | 74.074% |
| 4454 | P6200 [USACO07OCT] Super Paintball G | 26 | 34 | 76.471% |
| 4455 | P5117 [USACO18DEC] The Bucket List B | 16 | 18 | 88.889% |
| 4456 | 战略游戏 | 16 | 22 | 72.727% |
| 4457 | 战略游戏--树型动态规划训练T4 | 15 | 16 | 93.750% |
| 4458 | 【搜索基础】N皇后问题 | 13 | 24 | 54.167% |
| 4459 | 积木城堡 | 6 | 6 | 100.000% |
| 4460 | 安全逃离 | 2 | 6 | 33.333% |
| 4461 | 宝箱 | 2 | 3 | 66.667% |
| 4462 | 方格 | 3 | 5 | 60.000% |
| 4463 | 涂色 | 0 | 3 | 0.000% |
| 4464 | 素数圆环 | 4 | 5 | 80.000% |
| 4465 | NOIP2008普及组第2题 排座椅 | 2 | 2 | 100.000% |
| 4466 | 2.1.1 The Castle城堡 | 1 | 1 | 100.000% |
| 4467 | 2.1.4 Healthy Holsteins健康的荷斯坦奶牛 | 6 | 9 | 66.667% |
| 4468 | 1.5.3 Superprime Rib 特殊的质数肋骨 | 30 | 67 | 44.776% |
| 4469 | 1.5.4 Checker Challenge 跳棋的挑战 | 1 | 1 | 100.000% |
| 4470 | 2.4.1 The Tamworth Two 两只塔姆沃斯牛 | 1 | 1 | 100.000% |
| 4471 | 【USACO2007NOV】分配防晒霜 | 1 | 2 | 50.000% |
| 4472 | 【USACO2009NOV】农场技艺大赛 | 1 | 2 | 50.000% |
| 4473 | 2.4.4 Bessie Come Home (comehome) | 4 | 8 | 50.000% |
| 4474 | 出纳员的雇佣 | 1 | 1 | 100.000% |
| 4475 | 抓住那头奶牛 ( catch ) usaco 2007 Open silver | 93 | 216 | 43.056% |
| 4476 | P6181 [USACO10OPEN] Mountain Watching S | 4 | 9 | 44.444% |
| 4477 | P1535 [USACO08MAR] Cow Travelling S | 1 | 5 | 20.000% |
| 4478 | P8268 [USACO22OPEN] Alchemy B | 2 | 2 | 100.000% |
| 4479 | P5831 [USACO19DEC] Cow Gymnastics B | 9 | 10 | 90.000% |
| 4480 | P1376 [USACO05MAR] Yogurt factory 机器工厂 | 9 | 15 | 60.000% |
| 4481 | P8090 [USACO22JAN] Herdle B | 1 | 1 | 100.000% |
| 4482 | 全排列问题 | 19 | 25 | 76.000% |
| 4483 | 【搜索与回溯】排列问题（例题） | 1 | 1 | 100.000% |
| 4484 | [NOIP2022]种花 | 0 | 0 | 0.000% |
| 4485 | [NOIP2022]喵了个喵 | 0 | 0 | 0.000% |
| 4486 | [NOIP2022]建造军营 | 0 | 0 | 0.000% |
| 4487 | [NOIP2022] 比赛 | 0 | 1 | 0.000% |
| 4488 | P6179 [USACO15DEC] High Card Wins S | 22 | 54 | 40.741% |