| 1092 | Transversal | USU Local Contest. March 2001 | 538 | 2278 |
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 580 | 814 |
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 1139 | 418 |
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1851 | 259 |
| 1175 | Strange Sequence | USU Personal Contest 2002 | 504 | 944 |
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 260 | 1867 |
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 485 | 874 |
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 119 | 3049 |
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 168 | 2019 |
| 1781 | Clean Code | Ural SU Championship 2010 | 154 | 2062 |
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 5896 | 52 |
| 2167 | Cipher Message 5 | Ural School Programming Contest 2022 | 36 | 714 |