| 1020 | Rope | Autumn School Contest 2000 | 13918 | 100 |
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 20606 | 68 |
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 11310 | 109 |
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10289 | 119 |
| 1083 | Factorials!!! | Spring School Contest 2001 | 17929 | 68 |
| 1086 | Cryptography | Spring School Contest 2001 | 11302 | 108 |
| 1197 | Lonesome Knight | Spring School Contest 2002 | 15835 | 29 |
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 12577 | 36 |
| 1264 | Workdays | Autumn School Contest 2003 | 20248 | 23 |
| 1293 | Eniya | Spring School Contest 2004 | 29210 | 16 |
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 12915 | 36 |
| 1319 | Hotel | Ural Championship 2004. Round 2 | 11728 | 40 |
| 1409 | Two Gangsters | Autumn School Contest 2005 | 27879 | 17 |
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 9804 | 40 |
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 13677 | 19 |
| 2001 | Mathematicians and Berries | Ural Regional School Programming Contest 2013 | 9351 | 22 |
| 2012 | About Grisha N. | NEERC 2014 Eastern Subregional | 10836 | 17 |
| 2023 | Donald is a postman | NEERC 2014 Eastern Subregional | 5098 | 36 |
| 2066 | Simple Expression | Ural Regional School Programming Contest 2015 | 5704 | 27 |
| 2111 | Plato | University academic school olympiad in informatics 2019 | 1022 | 67 |
| 2138 | The Good, the Bad and the Ugly | Ural School Programming Contest 2019 | 510 | 108 |
| 2142 | Magic | Ural School Programming Contest 2019 | 412 | 133 |
| 2149 | Pigeonhole Principle | Ural School Programming Contest 2019 | 400 | 137 |
