| 4425 | Circle Intersection | 0 | 0 | 0.000% |
| 4426 | 戴森球计划 | 0 | 0 | 0.000% |
| 4427 | String Set | 0 | 0 | 0.000% |
| 4428 | 双排积木 | 0 | 0 | 0.000% |
| 4429 | 2020 | 5 | 9 | 55.556% |
| 4430 | 2020 vs 2018 | 5 | 9 | 55.556% |
| 4431 | Absolute Difference Equation | 0 | 0 | 0.000% |
| 4432 | String Commutativity | 0 | 0 | 0.000% |
| 4433 | Make Rounddog Very Happy | 0 | 0 | 0.000% |
| 4434 | 抄板子 | 0 | 0 | 0.000% |
| 4435 | 奇矩阵 | 4 | 8 | 50.000% |
| 4436 | 矩形并 | 0 | 0 | 0.000% |
| 4437 | 共线点 | 2 | 6 | 33.333% |
| 4438 | Minimum Spanning Tree | 0 | 0 | 0.000% |
| 4439 | Spanning Trees | 0 | 0 | 0.000% |
| 4440 | Line | 18 | 45 | 40.000% |
| 4441 | 判断 | 33 | 50 | 66.000% |
| 4442 | 构造 | 16 | 61 | 26.230% |
| 4443 | 分糖果 | 23 | 60 | 38.333% |
| 4444 | 指针 | 15 | 38 | 39.474% |
| 4445 | 画圆 | 14 | 37 | 37.838% |
| 4446 | 划分 | 4 | 65 | 6.154% |
| 4447 | Word Game | 14 | 26 | 53.846% |
| 4448 | Seating Arrangement | 14 | 55 | 25.455% |
| 4449 | Simplified Blackjack | 7 | 36 | 19.444% |
| 4450 | Taking Photo | 0 | 2 | 0.000% |
| 4451 | Tian Ji's Horse Race Again | 3 | 19 | 15.789% |
| 4452 | Directed Chain Decomposition | 0 | 1 | 0.000% |
| 4453 | Forgot Password | 0 | 1 | 0.000% |
| 4454 | Arithmetic Sequence | 0 | 1 | 0.000% |
| 4455 | Finding Words | 0 | 13 | 0.000% |
| 4456 | Nearest Maintenance Point | 1 | 9 | 11.111% |
| 4457 | Monitoring Target | 0 | 1 | 0.000% |
| 4458 | Football Training Camp | 2 | 23 | 8.696% |
| 4459 | Biger or smaller or Same? | 20 | 54 | 37.037% |
| 4460 | 寻找阶乘二元组 | 15 | 74 | 20.270% |
| 4461 | 修改数字 | 20 | 67 | 29.851% |
| 4462 | Bob's word | 10 | 83 | 12.048% |
| 4463 | Wrong algorithm | 11 | 25 | 44.000% |
| 4464 | A. Working Week | 26 | 35 | 74.286% |
| 4465 | B. Tea with Tangerines | 22 | 41 | 53.659% |
| 4466 | C. Phase Shift | 2 | 4 | 50.000% |
| 4467 | A. Glory Addicts | 16 | 60 | 26.667% |
| 4468 | B. Prefix Sum Addicts | 34 | 136 | 25.000% |
| 4469 | C. Even Number Addicts | 15 | 47 | 31.915% |
| 4470 | 最小值 | 27 | 32 | 84.375% |
| 4471 | 压缩文件 | 25 | 88 | 28.409% |
| 4472 | 最小移动距离 | 9 | 17 | 52.941% |
| 4473 | 两个素数 | 35 | 57 | 61.404% |
| 4474 | 减法操作 | 23 | 54 | 42.593% |