| 1092 | Transversal | USU Local Contest. March 2001 | 533 | 2275 |
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 578 | 808 |
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 1131 | 417 |
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1817 | 261 |
| 1175 | Strange Sequence | USU Personal Contest 2002 | 502 | 938 |
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 259 | 1856 |
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 480 | 872 |
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 118 | 3027 |
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 164 | 2030 |
| 1781 | Clean Code | Ural SU Championship 2010 | 153 | 2036 |
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 5773 | 52 |