| 1092 | Transversal | USU Local Contest. March 2001 | 541 | 2290 |
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 584 | 817 |
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 1149 | 419 |
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1862 | 260 |
| 1175 | Strange Sequence | USU Personal Contest 2002 | 507 | 948 |
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 263 | 1864 |
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 492 | 873 |
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 122 | 3025 |
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 169 | 2042 |
| 1781 | Clean Code | Ural SU Championship 2010 | 157 | 2063 |
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 5980 | 53 |
| 2167 | Cipher Message 5 | Ural School Programming Contest 2022 | 71 | 521 |