| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-12-13 00:22:55 | Mokurai | Well Constructed | |
| 2010-01-18 16:15:42 | WeakNub | Well Constructed | |
| 2010-03-23 21:15:40 | hudday48 | Needs Fixing | No correct answer |
| 2012-08-13 06:44:56 | Sebti1 | Well Constructed | |
| 2012-10-23 18:36:53 | ggoommaann | Well Constructed | |
| 2013-08-31 10:15:27 | superrichi | Well Constructed | |
| 2013-09-11 14:19:08 | ã ã‚‹ã¾ | Well Constructed | |
| 2013-09-22 03:45:38 | QuantumKarl | Well Constructed | |
| 2013-12-04 17:44:03 | hsartoris | Needs Fixing | One of the solutions that works is considered incorrect |
| 2014-03-15 09:46:42 | Plucho | Well Constructed | |
| 2014-06-10 11:47:11 | Ilyas | Needs Fixing | s19, t19 |
| 2014-06-24 09:24:46 | G1weist | Well Constructed | |
| 2014-11-10 15:13:46 | eurikano | Well Constructed | |
| 2015-12-01 18:47:09 | PierreBo | Well Constructed | |
| 2016-09-11 08:42:28 | Sollies | Well Constructed | |
| 2017-03-03 08:59:14 | Roma2009 | Needs Fixing | Задача не совпадает с уровнем указаному который 26. Это 23,7 |
| 2017-06-05 14:01:33 | Todesangst | Well Constructed | |
| 2018-05-30 02:55:33 | TrombaMarina | Well Constructed | |
| 2018-12-27 08:55:58 | Timoffey | Well Constructed | |
| 2020-03-01 11:14:47 | fedgo-p600 | Well Constructed | |
| 2022-09-23 16:19:12 | mons | Well Constructed | |
| 2023-10-01 10:00:44 | Zicandar | Well Constructed |