考核继承（类的重用）、接口、多态。
| Standing | User | Nick Name | Solved | TIME PENALTY | A | B |
| 1 | 2019211957 | 甲醛 | 2 | 02:57:23 | 01:07:02(-1) | 01:30:21 |
| 2 | 2020210037 | 黄加宇 | 2 | 36:40:31 | 17:27:54 | 19:12:37 |
| 3 | 2020210908 | 李育东 | 2 | 43:03:45 | 19:17:05 | 23:26:40(-1) |
| 4 | 2020211338 | 加冰糖可乐 | 2 | 71:33:13 | 05:01:10(-1) | 66:12:03 |
| 5 | 2020211415 | 亮神的小迷弟 | 2 | 125:50:34 | 57:42:53 | 68:07:41 |
| 6 | 2020211664 | wowblk | 2 | 588:57:53 | 247:10:10(-2) | 341:07:43 |
| 7 | 2020211278 | AILE24 | 2 | 914:04:43 | 456:27:09(-2) | 456:57:34 |
| 8 | 2020211546 | O | 2 | 1147:02:23 | 573:17:43 | 573:44:40 |
| 9 | 2020211503 | 猪猪仙女的宇宙第一男朋友 | 2 | 1154:10:11 | 576:38:16(-1) | 577:11:55 |
| 10 | 2020211401 | 2020211401 | 2 | 1218:20:16 | 617:05:24(-5) | 599:14:52(-1) |
| 11 | 2019211492 | 2019211492 | 2 | 1327:16:14 | 656:49:58 | 670:26:16 |
| 12 | 2020211610 | Jupiter | 2 | 1346:52:15 | 667:39:44(-1) | 678:32:31(-1) |
| 13 | 2020211387 | 2020211387王雨飞 | 2 | 1357:14:44 | 655:54:00 | 701:20:44 |
| 14 | 2020211318 | 今天又在写bug | 2 | 1358:02:27 | 678:01:15(-1) | 679:21:12(-1) |
| 15 | 2020211274 | 永雏塔菲 | 2 | 1378:12:11 | 680:08:48(-1) | 697:23:23(-1) |
| 16 | 2018211441 | 任某某 | 2 | 1419:14:54 | 702:06:52 | 717:08:02 |
| 17 | 2020211477 | 潘佳伟 | 2 | 1423:49:35 | 697:31:15(-2) | 724:58:20(-2) |
| 18 | 2020211545 | 猪猪仙女 | 2 | 1437:57:15 | 698:54:36(-1) | 738:22:39(-1) |
| 19 | 2020211348 | 沈誉 | 2 | 1438:49:13 | 715:14:01 | 723:35:12 |
| 20 | 2020211412 | 532353 | 2 | 1444:44:08 | 716:32:55(-1) | 727:51:13 |
| 21 | 2020211547 | 做题就要啸着做 | 2 | 1452:35:52 | 723:04:57 | 729:10:55(-1) |
| 22 | 2019211493 | 郭康欣 | 2 | 1460:10:51 | 722:54:20 | 737:16:31 |
| 23 | 2020211663 | 2020211663 | 2 | 1463:02:16 | 731:29:54 | 731:32:22 |
| 24 | 2020211280 | LanSnowZ | 2 | 1478:54:36 | 738:08:54 | 740:25:42(-1) |
| 25 | 2020211574 | ronghua | 1 | 698:24:35 | 698:24:35 | |
| 26 | 2020211353 | 纳西妲的编译器 | 1 | 699:56:57 | (-4) | 699:56:57 |
| 27 | 2020211580 | Patty | 1 | 720:54:07 | 720:54:07 | |
| 28 | 2019211251 | 2019211251 | 1 | 722:54:25 | 722:54:25 | |
| 29 | 2020211538 | 王磊ovo | 1 | 738:04:25 | (-5) | 738:04:25 |
| 30 | 2020211432 | gyy | 1 | 738:11:18 | 737:51:18(-1) | |
| 31 | 2020211475 | 刘子祺 | 1 | 739:41:44 | 739:41:44 | (-1) |
| 32 | 2020211630 | 万叶 | 1 | 741:18:06 | 741:18:06 | |
| 33 | 2019211305 | 栀初 | 1 | 742:48:43 | 742:48:43 | |
| 34 | 2020211532 | SAS-hash | 1 | 743:29:04 | 743:29:04 | |
| 35 | 2020211425 | 地板蛋糕 | 1 | 743:37:55 | (-2) | 743:37:55 |
| 36 | 2020211301 | 2020211301 | 1 | 743:39:56 | 743:39:56 | |
| 37 | 2020211611 | 2020211611 | 1 | 746:02:12 | 743:02:12(-9) | (-1) |
| 38 | 2020211269 | 马婧 | 0 | 00:00:00 | (-1) | |
| 39 | 2020211426 | 2020211426 | 0 | 00:00:00 | ||
| 40 | 2020211366 | 2020211366 | 0 | 00:00:00 | (-2) | |
| 41 | 2019211328 | 金耘石 | 0 | 00:00:00 | (-1) |