2019年暑假班信奥一阶班作业3，测试对数据格式的掌握程度。
| Standing | User | Nick Name | Solved | TIME PENALTY | Mark | A | B | C | D | E |
| 1 | ymh | 5 | 29:08:30 | 500 | 05:36:22 | 05:35:28 | 05:38:25 | 05:46:39 | 06:31:36 | |
| 2 | yeyile | 5 | 63:49:37 | 500 | 02:02:15 | 02:04:11 | 02:08:19 | 49:52:07 | 07:42:45 | |
| 3 | crisp | 5 | 219:09:13 | 500 | 34:30:52 | 34:29:49 | 34:35:34 | 58:46:58 | 56:46:00 | |
| 4 | lixuanyu | 1 | 31:11:48 | 150 | 31:11:48 | (+50) | ||||
| 5 | zhanghongning | 1 | 795:34:41 | 100 | 795:34:41 |