| When | User | Flag Type | Description |
|---|---|---|---|
| 2011-12-31 21:14:03 | YakumoKou | Needs Fixing | Current answer is wrong. |
| 2013-06-10 07:38:37 | Matrok | Well Constructed | |
| 2014-01-30 08:12:00 | giulio.quaresima | Well Constructed | |
| 2014-09-03 08:06:51 | utku | Well Constructed | |
| 2015-07-06 19:55:34 | Karapuz | Well Constructed | |
| 2017-04-11 13:41:00 | gimli84 | Well Constructed | |
| 2018-01-04 09:35:17 | Thumb | Needs Fixing | See comments |
| 2019-07-11 02:09:05 | mal | Needs Fixing | ko path is not covered |
| 2021-02-21 18:23:36 | macd | Well Constructed |