| 1020 | Rope | Autumn School Contest 2000 | 14234 | 100 |
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 21052 | 68 |
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 11497 | 110 |
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10386 | 120 |
| 1083 | Factorials!!! | Spring School Contest 2001 | 18368 | 68 |
| 1086 | Cryptography | Spring School Contest 2001 | 11610 | 108 |
| 1197 | Lonesome Knight | Spring School Contest 2002 | 16234 | 28 |
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 13005 | 36 |
| 1264 | Workdays | Autumn School Contest 2003 | 20957 | 23 |
| 1293 | Eniya | Spring School Contest 2004 | 30353 | 16 |
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 13342 | 36 |
| 1319 | Hotel | Ural Championship 2004. Round 2 | 12030 | 40 |
| 1409 | Two Gangsters | Autumn School Contest 2005 | 28986 | 17 |
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 10215 | 40 |
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 14385 | 19 |
| 2001 | Mathematicians and Berries | Ural Regional School Programming Contest 2013 | 9935 | 22 |
| 2012 | About Grisha N. | NEERC 2014 Eastern Subregional | 11619 | 17 |
| 2023 | Donald is a postman | NEERC 2014 Eastern Subregional | 5394 | 36 |
| 2066 | Simple Expression | Ural Regional School Programming Contest 2015 | 6177 | 27 |
| 2111 | Plato | University academic school olympiad in informatics 2019 | 1283 | 65 |
| 2138 | The Good, the Bad and the Ugly | Ural School Programming Contest 2019 | 700 | 101 |
| 2142 | Magic | Ural School Programming Contest 2019 | 579 | 122 |
| 2149 | Pigeonhole Principle | Ural School Programming Contest 2019 | 535 | 132 |
