| 1020 | Rope | Autumn School Contest 2000 | 12995 | 103 |
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 19544 | 69 |
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 10712 | 111 |
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 9975 | 118 |
| 1083 | Factorials!!! | Spring School Contest 2001 | 16709 | 71 |
| 1086 | Cryptography | Spring School Contest 2001 | 10622 | 111 |
| 1197 | Lonesome Knight | Spring School Contest 2002 | 14857 | 29 |
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 11618 | 38 |
| 1264 | Workdays | Autumn School Contest 2003 | 18334 | 24 |
| 1293 | Eniya | Spring School Contest 2004 | 26499 | 17 |
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 12098 | 37 |
| 1319 | Hotel | Ural Championship 2004. Round 2 | 11043 | 41 |
| 1409 | Two Gangsters | Autumn School Contest 2005 | 25361 | 18 |
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 9002 | 42 |
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 12126 | 20 |
| 2001 | Mathematicians and Berries | Ural Regional School Programming Contest 2013 | 7820 | 23 |
| 2012 | About Grisha N. | NEERC 2014 Eastern Subregional | 9030 | 17 |
| 2023 | Donald is a postman | NEERC 2014 Eastern Subregional | 4366 | 36 |
| 2066 | Simple Expression | Ural Regional School Programming Contest 2015 | 4444 | 29 |
| 2111 | Plato | University academic school olympiad in informatics 2019 | 247 | 162 |
