| 1020 | Rope | Autumn School Contest 2000 | 14233 | 100 |
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 21051 | 67 |
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 11495 | 110 |
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10384 | 120 |
| 1083 | Factorials!!! | Spring School Contest 2001 | 18365 | 68 |
| 1086 | Cryptography | Spring School Contest 2001 | 11606 | 108 |
| 1197 | Lonesome Knight | Spring School Contest 2002 | 16231 | 28 |
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 13004 | 36 |
| 1264 | Workdays | Autumn School Contest 2003 | 20952 | 23 |
| 1293 | Eniya | Spring School Contest 2004 | 30348 | 16 |
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 13341 | 36 |
| 1319 | Hotel | Ural Championship 2004. Round 2 | 12030 | 40 |
| 1409 | Two Gangsters | Autumn School Contest 2005 | 28981 | 17 |
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 10212 | 40 |
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 14381 | 19 |
| 2001 | Mathematicians and Berries | Ural Regional School Programming Contest 2013 | 9932 | 22 |
| 2012 | About Grisha N. | NEERC 2014 Eastern Subregional | 11616 | 17 |
| 2023 | Donald is a postman | NEERC 2014 Eastern Subregional | 5393 | 36 |
| 2066 | Simple Expression | Ural Regional School Programming Contest 2015 | 6175 | 27 |
| 2111 | Plato | University academic school olympiad in informatics 2019 | 1282 | 65 |
| 2138 | The Good, the Bad and the Ugly | Ural School Programming Contest 2019 | 699 | 101 |
| 2142 | Magic | Ural School Programming Contest 2019 | 578 | 122 |
| 2149 | Pigeonhole Principle | Ural School Programming Contest 2019 | 534 | 132 |
