| 1092 | Transversal | USU Local Contest. March 2001 | 538 | 2288 |
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 580 | 817 |
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 1140 | 419 |
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1854 | 260 |
| 1175 | Strange Sequence | USU Personal Contest 2002 | 505 | 946 |
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 260 | 1874 |
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 488 | 873 |
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 120 | 3043 |
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 168 | 2032 |
| 1781 | Clean Code | Ural SU Championship 2010 | 156 | 2052 |
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 5933 | 52 |
| 2167 | Cipher Message 5 | Ural School Programming Contest 2022 | 50 | 607 |