|
| ID | Title | Source | Authors | Difficulty |
|---|
| 1001 | Reverse Root | | 33423 | 14 |
| 1293 | Eniya | Spring School Contest 2004 | 35421 | 15 |
| 1409 | Two Gangsters | Autumn School Contest 2005 | 33980 | 15 |
| 1000 | A+B Problem | | 106006 | 16 |
| 1785 | Lost in Localization | Ural Regional School Programming Contest 2010 | 22223 | 16 |
| 2012 | About Grisha N. | NEERC 2014 Eastern Subregional | 15330 | 17 |
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 17400 | 19 |
| 1264 | Workdays | Autumn School Contest 2003 | 24341 | 21 |
| 2001 | Mathematicians and Berries | Ural Regional School Programming Contest 2013 | 12885 | 22 |
| 1787 | Turn for MEGA | Ural Regional School Programming Contest 2010 | 14495 | 25 |
| 1820 | Ural Steaks | USU Personal Contest 2011 | 13776 | 25 |
| 1197 | Lonesome Knight | Spring School Contest 2002 | 18064 | 28 |
| 2066 | Simple Expression | Ural Regional School Programming Contest 2015 | 8354 | 28 |
| 2100 | Wedding Dinner | Ural FU Junior Championship 2016 | 7176 | 29 |
| 1880 | Psych Up's Eigenvalues | Ural Regional School Programming Contest 2011 | 10970 | 30 |
| 1639 | Chocolate 2 | Autumn School Contest 2008 | 12974 | 32 |
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 14758 | 34 |
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 15158 | 34 |
| 1910 | Titan Ruins: Hidden Entrance | NEERC 2012 Eastern Subregional | 9067 | 34 |
| 1225 | Flags | NEERC 2002 Central Subregional | 14320 | 35 |
| 1068 | Sum | | 39007 | 37 |
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 11829 | 38 |
| 1924 | Four Imps | Ural Regional School Programming Contest 2012 | 7985 | 38 |
| 2023 | Donald is a postman | NEERC 2014 Eastern Subregional | 6632 | 38 |
| 1319 | Hotel | Ural Championship 2004. Round 2 | 13264 | 39 |
| 1567 | SMS-spam | USU Championship 2007 | 11167 | 40 |
| 1581 | Teamwork | Autumn School Contest 2007 | 11161 | 40 |
| 2056 | Scholarship | Ural Championship 2015 | 5759 | 42 |
| 1263 | Elections | Autumn School Contest 2003 | 12006 | 43 |
| 1100 | Final Standings | Tetrahedron Team Online Contest May 2001 | 11255 | 44 |
| 1607 | Taxi | USU Personal Contest 2008 | 9535 | 46 |
| 1327 | Fuses | Autumn School Contest 2004 | 11067 | 47 |
| 1493 | One Step from Happiness | Autumn School Contest 2006 | 10266 | 47 |
| 1991 | The battle near the swamp | NEERC 2013 Eastern Subregional | 5919 | 47 |
| 1243 | Divorce of the Seven Dwarfs | USU Personal Contest 2003 | 10343 | 49 |
| 1496 | Spammer | Autumn School Contest 2006 | 9918 | 49 |
| 1545 | Hieroglyphs | Ural Championship 2007 | 9341 | 50 |
| 1349 | Farm | Spring School Contest 2005 | 10267 | 51 |
| 1110 | Power | Bulgarian Online Contest September 2001 | 9509 | 53 |
| 1196 | History Exam | Spring School Contest 2002 | 9444 | 53 |
| 1563 | Bayan | USU Championship 2007 | 8422 | 54 |
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 6123 | 54 |
| 1654 | Cipher Message | NEERC 2008 Eastern Subregional | 7042 | 59 |
| 1837 | Isenbaev's Number | Ural Championship 2011 | 5811 | 59 |
| 1893 | A380 | NEERC 2011 Eastern Subregional | 5627 | 59 |
| 1149 | Sinus Dances | | 8295 | 60 |
| 1636 | Penalty Time | USU Championship 2008 | 7023 | 60 |
| 2025 | Line Fighting | Ural Regional School Programming Contest 2014 | 4231 | 60 |
| 1881 | Long problem statement | Ural Regional School Programming Contest 2011 | 5453 | 61 |
| 1723 | Sandro's Book | Ural Regional School Programming Contest 2009 | 6282 | 62 |
| 1296 | Hyperjump | Spring School Contest 2004 | 8153 | 63 |
| 1617 | Flat Spots | Ural Championship 2008 | 6756 | 65 |
| 1638 | Bookworm | USU Championship 2008 | 6418 | 65 |
| 1224 | Spiral | NEERC 2002 Central Subregional | 7646 | 66 |
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 23179 | 67 |
| 1083 | Factorials!!! | Spring School Contest 2001 | 20116 | 68 |
| 1457 | Heating Main | Timus Top Coders: Second Challenge | 7380 | 68 |
| 1925 | British Scientists Save the World | Ural Regional School Programming Contest 2012 | 4455 | 68 |
| 1119 | Metro | Autumn School Contest 2001 | 7158 | 70 |
| 2002 | Test Task | Ural Regional School Programming Contest 2013 | 3982 | 70 |
| 2111 | Plato | University academic school olympiad in informatics 2019 | 2165 | 70 |
| 1106 | Two Teams | Tetrahedron Team Online Contest May 2001 | 6743 | 74 |
| 1502 | Domino Dots | NEERC 2006 Eastern Subregional | 6552 | 74 |
| 2035 | Another Dress Rehearsal | Ural Regional School Programming Contest 2014 | 3373 | 75 |
| 1131 | Copying | USU Championship 2001 | 6548 | 76 |
| 1935 | Tears of Drowned | Ural FU Championship 2012 | 3907 | 77 |
| 1005 | Stone Pile | USU Championship 1997 | 19924 | 78 |
| 1139 | City Blocks | NEERC 2001 Central Subregional | 6434 | 78 |
| 1146 | Maximum Sum | DSAP Vietnam Online Contest November 2001 | 6315 | 79 |
| 1203 | Scientific Conference | USU Local Contest. March 2002 | 6261 | 80 |
| 1290 | Sabotage | Spring School Contest 2004 | 6430 | 80 |
| 1404 | Easy to Hack! | Autumn School Contest 2005 | 6481 | 80 |
| 1297 | Palindrome | Spring School Contest 2004 | 6272 | 82 |
| 1792 | Hamming Code | Ural Regional School Programming Contest 2010 | 4351 | 82 |
| 1194 | Handshakes | Spring School Contest 2002 | 6067 | 83 |
| 1712 | Cipher Grille | NEERC 2009 Eastern Subregional | 4584 | 85 |
| 2031 | Overturned Numbers | Ural Regional School Programming Contest 2014 | 2994 | 85 |
| 1120 | Sum of Sequential Numbers | Autumn School Contest 2001 | 5733 | 87 |
| 1510 | Order | NEERC 2006 Eastern Subregional | 5542 | 87 |
| 1180 | Stone Game | USU Personal Contest 2002 | 5687 | 88 |
| 1370 | Magician | Ural Championship 2005. Round 2 | 5826 | 89 |
| 2005 | Taxi for Programmers | Ural Regional School Programming Contest 2013 | 3062 | 90 |
| 1446 | Sorting Hat | Ural Championship 2006 | 5573 | 91 |
| 1601 | AntiCAPS | USU Personal Contest 2008 | 4801 | 91 |
| 1126 | Magnetic Storms | USU Championship 2001 | 5428 | 92 |
| 1161 | Stripies | NEERC 2001 Northern Subregional | 5445 | 92 |
| 1494 | Monobilliards | Autumn School Contest 2006 | 5219 | 93 |
| 1009 | K-based Numbers | USU Championship 1997 | 16528 | 94 |
| 1014 | Product of Digits | USU Local Contest. 1999 | 16540 | 94 |
| 1104 | Don’t Ask Woman about Her Age | Tetrahedron Team Online Contest May 2001 | 5263 | 94 |
| 1330 | Intervals | Autumn School Contest 2004 | 5391 | 96 |
| 1642 | 1D Maze | Autumn School Contest 2008 | 4342 | 96 |
| 1020 | Rope | Autumn School Contest 2000 | 15590 | 99 |
| 1136 | Parliament | NEERC 2001 Central Subregional | 5012 | 100 |
| 1644 | A Whole Lot of Walnuts | Autumn School Contest 2008 | 4194 | 100 |
| 2011 | Long Statement | Ural Regional School Programming Contest 2013 | 2763 | 100 |
| 2018 | The Debut Album | NEERC 2014 Eastern Subregional | 2512 | 101 |
| 2033 | Devices | Ural Regional School Programming Contest 2014 | 2515 | 101 |
| 1214 | Strange Procedure | Autumn School Contest 2002 | 4964 | 102 |
| 1118 | Nontrivial Numbers | Autumn School Contest 2001 | 4842 | 103 |
| 1353 | Milliard Vasya's Function | Spring School Contest 2005 | 5035 | 103 |
| 1731 | Dill | Ural Regional School Programming Contest 2009 | 3739 | 104 |
| 2068 | Game of Nuts | Ural Regional School Programming Contest 2015 | 2202 | 104 |
| 1086 | Cryptography | Spring School Contest 2001 | 12834 | 106 |
| 1573 | Alchemy | Autumn School Contest 2007 | 4204 | 107 |
| 2138 | The Good, the Bad and the Ugly | Ural School Programming Contest 2019 | 1312 | 107 |
| 1228 | Array | NEERC 2002 Central Subregional | 4679 | 108 |
| 1786 | Sandro's Biography | Ural Regional School Programming Contest 2010 | 3327 | 108 |
| 1796 | Amusement Park | Ural Regional School Programming Contest 2010 | 3311 | 108 |
| 1192 | Ball in a Dream | Spring School Contest 2002 | 4603 | 109 |
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 12384 | 111 |
| 1260 | Nudnik Photographer | Autumn School Contest 2003 | 4621 | 111 |
| 1671 | Anansi's Cobweb | Petrozavodsk Summer 2008. USU Contest | 3707 | 111 |
| 1226 | esreveR redrO | NEERC 2002 Central Subregional | 4459 | 113 |
| 1902 | Neo-Venice | Ural Championship 2012 | 2702 | 113 |
| 1283 | Dwarf | USU Personal Contest 2004 | 4404 | 117 |
| 1219 | Symbolic Sequence | USU Championship 2002 | 4222 | 120 |
| 1207 | Median on the Plane | USU Local Contest. March 2002 | 4160 | 121 |
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 12579 | 122 |
| 1123 | Salary | Autumn School Contest 2001 | 4105 | 122 |
| 1336 | Problem of Ben Betsalel | Autumn School Contest 2004 | 4239 | 122 |
| 1582 | Bookmakers | NEERC 2007 Eastern Subregional | 3682 | 122 |
| 2142 | Magic | Ural School Programming Contest 2019 | 1146 | 122 |
| 1206 | Sum of Digits of the Sum of Numbers | USU Local Contest. March 2002 | 4055 | 124 |
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 10873 | 125 |
| 1726 | Visits | Ural Regional School Programming Contest 2009 | 3110 | 125 |
| 1777 | Anindilyakwa | Ural SU Championship 2010 | 2882 | 125 |
| 1521 | War Games 2 | Timus Top Coders: Third Challenge | 3793 | 126 |
| 1402 | Cocktails | Autumn School Contest 2005 | 4028 | 129 |
| 2010 | Sasha the Young Grandmaster | Ural Regional School Programming Contest 2013 | 2129 | 130 |
| 1352 | Mersenne Primes | Spring School Contest 2005 | 3964 | 131 |
| 1982 | Electrification Plan | Ural FU Championship 2013 | 2122 | 131 |
| 1688 | Team.GOV! | USU Personal Contest 2009 | 3073 | 132 |
| 1711 | Code Names | NEERC 2009 Eastern Subregional | 2932 | 132 |
| 1683 | Fridge | USU Personal Contest 2009 | 3015 | 135 |
| 1167 | Bicolored Horses | Romanian Online Contest December 2001 | 3683 | 136 |
| 1354 | Palindrome. Again Palindrome | Spring School Contest 2005 | 3758 | 138 |
| 1740 | Deer is Better! | USU Championship 2009 | 2788 | 138 |
| 1725 | Sold Out! | Ural Regional School Programming Contest 2009 | 2778 | 139 |
| 1073 | Square Country | USU Personal Contest 2001 | 9874 | 140 |
| 1506 | Columns of Numbers | NEERC 2006 Eastern Subregional | 3458 | 140 |
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 10965 | 141 |
| 1280 | Topological Sorting | NEERC 2003 Central Subregional | 3620 | 141 |
| 1613 | For Fans of Statistics | Ural Championship 2008 | 3090 | 141 |
| 2102 | Michael and Cryptography | Ural FU Junior Championship 2016 | 1443 | 141 |
| 1604 | Country of Fools | USU Personal Contest 2008 | 3076 | 142 |
| 1222 | Chernobyl’ Eagles | USU Championship 2002 | 3540 | 143 |
| 1586 | Threeprime Numbers | NEERC 2007 Eastern Subregional | 3114 | 144 |
| 1160 | Network | NEERC 2001 Northern Subregional | 3455 | 146 |
| 1306 | Sequence Median | Ural Championship 1998 | 3532 | 146 |
| 1572 | Yekaterinozavodsk Great Well | Autumn School Contest 2007 | 3079 | 146 |
| 2149 | Pigeonhole Principle | Ural School Programming Contest 2019 | 958 | 146 |
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 10518 | 147 |
| 1272 | Non-Yekaterinburg Subway | USU Championship 2003 | 3479 | 147 |
| 1576 | Telephone Tariffs | Autumn School Contest 2007 | 3062 | 147 |
| 1084 | Goat in the Garden | Spring School Contest 2001 | 9074 | 150 |
| 1178 | Akbardin’s Roads | USU Personal Contest 2002 | 3350 | 150 |
| 1612 | Tram Forum | Ural Championship 2008 | 2894 | 150 |
| 1295 | Crazy Notions | Spring School Contest 2004 | 3403 | 151 |
| 1846 | GCD 2010 | Petrozavodsk Summer 2010. USU Contest | 2183 | 152 |
| 1450 | Russian Pipelines | Timus Top Coders: Second Challenge | 3273 | 153 |
| 1709 | Penguin-Avia | Ural Championship 2009 | 2633 | 153 |
| 1142 | Relations | DSAP Vietnam Online Contest November 2001 | 3246 | 154 |
| 2000 | Grand Theft Array V | Ural Regional School Programming Contest 2013 | 1793 | 154 |
| 1152 | False Mirrors | Ural Championship 2001. Round 2 | 3228 | 155 |
| 1868 | Prediction Contest | Ural FU Championship 2011 | 2136 | 155 |
| 2020 | Traffic Jam in Flower Town | NEERC 2014 Eastern Subregional | 1627 | 156 |
| 1017 | Staircases | USU Local Contest. 1999 | 9897 | 157 |
| 1026 | Questions and Answers | Autumn School Contest 2000 | 9869 | 157 |
| 1788 | On the Benefits of Umbrellas | Ural Regional School Programming Contest 2010 | 2254 | 159 |
| 1135 | Recruits | NEERC 2001 Central Subregional | 3097 | 161 |
| 1210 | Kind Spirits | Autumn School Contest 2002 | 3103 | 163 |
| 1112 | Cover | Bulgarian Online Contest September 2001 | 3031 | 164 |
| 1931 | Excellent Team | Ural FU Championship 2012 | 1840 | 164 |
| 1102 | Strange Dialog | Tetrahedron Team Online Contest May 2001 | 2998 | 165 |
| 1471 | Distance in the Tree | Petrozavodsk Summer 2006. Ural+Orel Contest | 2952 | 165 |
| 1930 | Ivan's Car | Ural Regional School Programming Contest 2012 | 1830 | 165 |
| 1987 | Nested Segments | Ural FU Championship 2013 | 1682 | 165 |
| 1401 | Gamers | Autumn School Contest 2005 | 3109 | 167 |
| 1628 | White Streaks | USU Championship 2008 | 2502 | 167 |
| 1964 | Chinese Dialects | Ural FU Personal Contest 2013 | 1708 | 167 |
| 1213 | Cockroaches! | Autumn School Contest 2002 | 2965 | 170 |
| 1800 | Murphy's Law | NEERC 2010 Eastern Subregional | 2102 | 170 |
| 1423 | String Tale | Timus Top Coders: First Challenge | 2962 | 172 |
| 1864 | Get-Together at Den's | Ural FU Championship 2011 | 1919 | 172 |
| 1821 | Biathlon | USU Personal Contest 2011 | 1986 | 174 |
| 1640 | Circle of Winter | Autumn School Contest 2008 | 2378 | 175 |
| 1242 | Werewolf | USU Personal Contest 2003 | 2873 | 177 |
| 1756 | One and a Half Diggers | USU Personal Contest 2010 | 2118 | 177 |
| 1155 | Troubleduons | Ural Championship 2001. Round 2 | 2811 | 178 |
| 1012 | K-based Numbers. Version 2 | | 8675 | 179 |
| 1348 | Goat in the Garden 2 | Spring School Contest 2005 | 2903 | 179 |
| 1413 | Mars Jumper | USU Championship 2005 | 2901 | 179 |
| 1193 | Queue at the Exam | Spring School Contest 2002 | 2760 | 181 |
| 1303 | Minimal Coverage | Ural Championship 1998 | 2842 | 181 |
| 1685 | Orthography | USU Personal Contest 2009 | 2237 | 181 |
| 1335 | White Thesis | Autumn School Contest 2004 | 2843 | 182 |
| 1322 | Spy | Ural Championship 2004. Round 2 | 2802 | 183 |
| 1650 | Billionaires | NEERC 2008 Eastern Subregional | 2261 | 184 |
| 1590 | Bacon’s Cipher | NEERC 2007 Eastern Subregional | 2396 | 187 |
| 1806 | Mobile Telegraphs | NEERC 2010 Eastern Subregional | 1890 | 189 |
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 7231 | 190 |
| 1114 | Boxes | Bulgarian Online Contest September 2001 | 2588 | 192 |
| 1874 | Football Goal | Ural Regional School Programming Contest 2011 | 1700 | 194 |
| 1013 | K-based Numbers. Version 3 | | 1312 | 195 |
| 1885 | Passenger Comfort | NEERC 2011 Eastern Subregional | 1683 | 195 |
| 1134 | Cards | NEERC 2001 Central Subregional | 2543 | 196 |
| 1183 | Brackets Sequence | NEERC 2001 | 2549 | 196 |
| 1162 | Currency Exchange | NEERC 2001 Northern Subregional | 2534 | 197 |
| 1490 | Fire Circle | Autumn School Contest 2006 | 2460 | 197 |
| 1794 | Masterpieces of World Architecture | Ural Regional School Programming Contest 2010 | 1816 | 197 |
| 1635 | Mnemonics and Palindromes | USU Championship 2008 | 2093 | 199 |
| 1645 | Ski Race | Autumn School Contest 2008 | 2092 | 199 |
| 1727 | Znaika's Magic Numbers | Ural Regional School Programming Contest 2009 | 1946 | 199 |
| 1993 | This cheeseburger you don't need | NEERC 2013 Eastern Subregional | 1391 | 199 |
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 7543 | 200 |
| 1157 | Young Tiler | Ural Championship 2001. Round 2 | 2496 | 200 |
| 1658 | Sum of Digits | NEERC 2008 Eastern Subregional | 2077 | 200 |
| 1138 | Integer Percentage | NEERC 2001 Central Subregional | 2469 | 202 |
| 2072 | Kirill the Gardener 3 | Ural Regional School Programming Contest 2015 | 1130 | 202 |
| 1769 | Old Ural Legend | Ural Championship 2010 | 1834 | 203 |
| 1656 | Far Away Kingdom's Army | NEERC 2008 Eastern Subregional | 2034 | 204 |
| 1164 | Fillword | NEERC 2001 Northern Subregional | 2428 | 206 |
| 1984 | Dummy Guy | Ural FU Championship 2013 | 1340 | 207 |
| 2105 | Alice and Bob are on Bikes | Ural FU Junior Championship 2016 | 983 | 207 |
| 1491 | Unreal Story | Autumn School Contest 2006 | 2325 | 208 |
| 1355 | Bald Spot Revisited | Spring School Contest 2005 | 2456 | 211 |
| 1878 | Rubinchik's Cube | Ural Regional School Programming Contest 2011 | 1556 | 212 |
| 1208 | Legendary Teams Contest | USU Local Contest. March 2002 | 2351 | 213 |
| 1515 | Cashmaster | Timus Top Coders: Third Challenge | 2234 | 214 |
| 1023 | Buttons | Autumn School Contest 2000 | 7188 | 215 |
| 2069 | Hard Rock | Ural Regional School Programming Contest 2015 | 1062 | 215 |
| 1789 | Searching for the Dodecahedron | Ural Regional School Programming Contest 2010 | 1657 | 216 |
| 1333 | Genie Bomber 2 | Autumn School Contest 2004 | 2379 | 217 |
| 2115 | The Knowledge Day | University academic school olympiad in informatics 2019 | 691 | 217 |
| 1249 | Ancient Necropolis | USU Local Contest. March 2003 | 2321 | 218 |
| 1915 | Titan Ruins: Reconstruction of Bygones | NEERC 2012 Eastern Subregional | 1392 | 218 |
| 2144 | Cleaning the Room | Ural School Programming Contest 2019 | 634 | 219 |
| 1680 | The First Nonqualifying | USU Personal Contest 2009 | 1837 | 221 |
| 1133 | Fibonacci Sequence | NEERC 2001 Central Subregional | 2235 | 223 |
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 6914 | 225 |
| 2070 | Interesting Numbers | Ural Regional School Programming Contest 2015 | 1002 | 228 |
| 1204 | Idempotents | USU Local Contest. March 2002 | 2182 | 229 |
| 2073 | Log Files | Ural Regional School Programming Contest 2015 | 989 | 231 |
| 1298 | Knight | Spring School Contest 2004 | 2201 | 233 |
| 1944 | Record of the Attack at the Orbit | Ural FU Personal Contest 2012 | 1275 | 233 |
| 1869 | New Year Cruise | Ural FU Championship 2011 | 1408 | 234 |
| 1917 | Titan Ruins: Deadly Accuracy | NEERC 2012 Eastern Subregional | 1292 | 234 |
| 1033 | Labyrinth | Ural Championship 1999 | 6555 | 235 |
| 1125 | Hopscotch | USU Championship 2001 | 2118 | 235 |
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 6381 | 237 |
| 1205 | By the Underground or by Foot? | USU Local Contest. March 2002 | 2112 | 237 |
| 1247 | Check a Sequence | USU Personal Contest 2003 | 2107 | 240 |
| 1184 | Cable Master | NEERC 2001 | 2048 | 244 |
| 1385 | Interesting Number | Petrozavodsk Summer 2005. Moscow+Ural Contest | 2118 | 245 |
| 1517 | Freedom of Choice | Timus Top Coders: Third Challenge | 1951 | 245 |
| 1011 | Conductors | USU Championship 1997 | 6296 | 247 |
| 2141 | Sasha Vilkin | Ural School Programming Contest 2019 | 561 | 247 |
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 6096 | 248 |
| 1191 | Catch the thief! | Spring School Contest 2002 | 2021 | 248 |
| 1795 | Husband in a Shop | Ural Regional School Programming Contest 2010 | 1442 | 248 |
| 1122 | Game | Autumn School Contest 2001 | 2001 | 249 |
| 1150 | Page Numbers | Ural Championship 2001. Round 2 | 2006 | 249 |
| 1109 | Conference | Bulgarian Online Contest September 2001 | 1992 | 250 |
| 1108 | Heritage | Bulgarian Online Contest September 2001 | 1985 | 251 |
| 1737 | Mnemonics and Palindromes 3 | USU Championship 2009 | 1531 | 251 |
| 1470 | UFOs | Petrozavodsk Summer 2006. Ural+Orel Contest | 1924 | 252 |
| 1603 | Erudite | USU Personal Contest 2008 | 1720 | 254 |
| 1244 | Gentlemen | USU Personal Contest 2003 | 1989 | 255 |
| 1752 | Tree 2 | Petrozavodsk Summer 2009. Ufa SATU Contest | 1480 | 255 |
| 1200 | Horns and Hoofs | USU Local Contest. March 2002 | 1955 | 256 |
| 1195 | Ouths and Crosses | Spring School Contest 2002 | 1931 | 259 |
| 1028 | Stars | Ural Championship 1999 | 5869 | 263 |
| 1433 | Diamonds | USU Personal Contest 2006 | 1922 | 263 |
| 2091 | Natural Selection | Ural FU Personal Contest 2014 | 804 | 263 |
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1885 | 264 |
| 1684 | Jack's Last Word | USU Personal Contest 2009 | 1534 | 264 |
| 1748 | The Most Complex Number | Petrozavodsk Summer 2009. Ufa SATU Contest | 1423 | 266 |
| 1501 | Sense of Beauty | NEERC 2006 Eastern Subregional | 1807 | 267 |
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 5112 | 268 |
| 1551 | Sumo Tournament | Ural Championship 2007 | 1730 | 269 |
| 1528 | Sequence | Petrozavodsk Winter 2007. D.Gozman Contest | 1739 | 271 |
| 1444 | Elephpotamus | Ural Championship 2006 | 1834 | 274 |
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 4944 | 275 |
| 1117 | Hierarchy | Autumn School Contest 2001 | 1793 | 277 |
| 1220 | Stacks | USU Championship 2002 | 1816 | 278 |
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 5553 | 279 |
| 1255 | Graveyard of the Cosa Nostra | USU Local Contest. March 2003 | 1811 | 280 |
| 2095 | Scrum | Ural FU Personal Contest 2014 | 753 | 280 |
| 1537 | Ents | USU Personal Contest 2007 | 1662 | 282 |
| 2034 | Caravans | Ural Regional School Programming Contest 2014 | 884 | 284 |
| 2062 | Ambitious Experiment | Ural Regional School Programming Contest 2015 | 802 | 284 |
| 1553 | Caves and Tunnels | Petrozavodsk Summer 2007. NSU Contest | 1573 | 286 |
| 1741 | Communication Fiend | USU Championship 2009 | 1346 | 286 |
| 2019 | Pair: normal and paranormal | NEERC 2014 Eastern Subregional | 883 | 286 |
| 1320 | Graph Decomposition | Ural Championship 2004. Round 2 | 1789 | 287 |
| 2078 | Bowling game | Ural Championship 2016 | 738 | 289 |
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 5336 | 291 |
| 2015 | Zhenya moves from the dormitory | NEERC 2014 Eastern Subregional | 860 | 293 |
| 1223 | Chernobyl’ Eagle on a Roof | USU Championship 2002 | 1713 | 294 |
| 1179 | Numbers in Text | USU Personal Contest 2002 | 1695 | 295 |
| 1356 | Something Easier | Spring School Contest 2005 | 1746 | 296 |
| 1523 | K-inversions | Petrozavodsk Winter 2007. D.Gozman Contest | 1587 | 296 |
| 1377 | Lara Croft | Ural Championship 2005. Round 1 | 1750 | 297 |
| 1124 | Mosaic | USU Championship 2001 | 1668 | 298 |
| 1346 | Intervals of Monotonicity | USU Championship 2004 | 1736 | 298 |
| 1032 | Find a Multiple | Ural Championship 1999 | 4465 | 300 |
| 1153 | Supercomputer | Ural Championship 2001. Round 2 | 1661 | 300 |
| 1889 | Airport Announcements | NEERC 2011 Eastern Subregional | 1093 | 300 |
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 5017 | 301 |
| 1185 | Wall | NEERC 2001 | 1659 | 301 |
| 1215 | Exactness of Projectile Hit | Autumn School Contest 2002 | 1675 | 301 |
| 1497 | Cutting a Square | Autumn School Contest 2006 | 1606 | 301 |
| 1227 | Rally Championship | NEERC 2002 Central Subregional | 1671 | 302 |
| 1036 | Lucky Tickets | | 5089 | 303 |
| 1718 | Rejudge | NEERC 2009 Eastern Subregional | 1265 | 305 |
| 2065 | Different Sums | Ural Regional School Programming Contest 2015 | 747 | 305 |
| 1826 | Minefield | USU Personal Contest 2011 | 1128 | 306 |
| 1742 | Team building | Petrozavodsk Summer 2009. Ufa SATU Contest | 1227 | 308 |
| 1190 | Bar of Chocolate | Spring School Contest 2002 | 1611 | 310 |
| 1211 | Collective Guarantee | Autumn School Contest 2002 | 1620 | 311 |
| 2098 | Lada Priora | Ural FU Personal Contest 2014 | 677 | 311 |
| 1922 | Superhero Team | Ural Regional School Programming Contest 2012 | 966 | 312 |
| 1294 | Mars Satellites | Spring School Contest 2004 | 1624 | 315 |
| 2067 | Friends and Berries | Ural Regional School Programming Contest 2015 | 718 | 317 |
| 1024 | Permutations | Autumn School Contest 2000 | 4852 | 319 |
| 1127 | Colored Bricks | USU Championship 2001 | 1543 | 322 |
| 1137 | Bus Routes | NEERC 2001 Central Subregional | 1546 | 322 |
| 1218 | Episode N-th: The Jedi Tournament | USU Championship 2002 | 1557 | 323 |
| 1588 | Jamaica | NEERC 2007 Eastern Subregional | 1374 | 325 |
| 1156 | Two Rounds | Ural Championship 2001. Round 2 | 1519 | 328 |
| 1261 | Tips | Autumn School Contest 2003 | 1548 | 329 |
| 1116 | Piecewise Constant Function | Autumn School Contest 2001 | 1503 | 331 |
| 1753 | Bookshelf | USU Personal Contest 2010 | 1127 | 331 |
| 2024 | Adventure Time | Ural Regional School Programming Contest 2014 | 758 | 331 |
| 1246 | Tethered Dog | USU Personal Contest 2003 | 1512 | 334 |
| 1989 | Subpalindromes | Ural FU Championship 2013 | 826 | 334 |
| 1176 | Hyperchannels | USU Personal Contest 2002 | 1491 | 335 |
| 1779 | The Great Team | Ural SU Championship 2010 | 1065 | 335 |
| 1282 | Game Tree | NEERC 2003 Central Subregional | 1512 | 337 |
| 1495 | One-two, One-two 2 | Autumn School Contest 2006 | 1421 | 339 |
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 4426 | 340 |
| 1823 | Ideal Gas | USU Personal Contest 2011 | 1011 | 341 |
| 1651 | Shortest Subchain | NEERC 2008 Eastern Subregional | 1207 | 343 |
| 1406 | Next Number | Autumn School Contest 2005 | 1501 | 346 |
| 1302 | Delta-wave | Ural Championship 1998 | 1465 | 349 |
| 1121 | Branches | Autumn School Contest 2001 | 1418 | 350 |
| 1403 | Courier | Autumn School Contest 2005 | 1480 | 350 |
| 1934 | Black Spot | Ural FU Championship 2012 | 852 | 352 |
| 1029 | Ministry | Ural Championship 1999 | 3798 | 353 |
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 3882 | 353 |
| 1574 | Mathematicians and brackets | Autumn School Contest 2007 | 1264 | 354 |
| 1145 | Rope in the Labyrinth | DSAP Vietnam Online Contest November 2001 | 1400 | 355 |
| 2003 | Simple Magic | Ural Regional School Programming Contest 2013 | 773 | 355 |
| 1873 | GOV Chronicles | Ural Regional School Programming Contest 2011 | 912 | 360 |
| 2104 | Game with a Strip | Ural FU Junior Championship 2016 | 561 | 360 |
| 1067 | Disk Tree | NEERC 2000 | 3935 | 362 |
| 1201 | Which Day Is It? | USU Local Contest. March 2002 | 1381 | 362 |
| 1431 | Diplomas | USU Personal Contest 2006 | 1396 | 362 |
| 1427 | SMS | Timus Top Coders: First Challenge | 1396 | 363 |
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 4260 | 364 |
| 1090 | In the Army Now | USU Local Contest. March 2001 | 3543 | 364 |
| 1141 | RSA Attack | | 1359 | 366 |
| 1998 | The old Padawan | NEERC 2013 Eastern Subregional | 751 | 366 |
| 1929 | Teddybears are not for Everyone | Ural Regional School Programming Contest 2012 | 808 | 372 |
| 1060 | Flip Game | NEERC 2000 | 3825 | 373 |
| 2145 | Olympiad for Everyone | Ural School Programming Contest 2019 | 367 | 374 |
| 1692 | Flags for Provinces | Petrozavodsk Winter 2009. USU Contest | 1072 | 376 |
| 1140 | Swamp Incident | NEERC 2001 Central Subregional | 1314 | 378 |
| 1992 | CVS | NEERC 2013 Eastern Subregional | 725 | 379 |
| 1287 | Mars Canals | USU Personal Contest 2004 | 1346 | 380 |
| 1292 | Mars Space Stations | Spring School Contest 2004 | 1345 | 380 |
| 1513 | Lemon Tale | Timus Top Coders: Third Challenge | 1252 | 380 |
| 1229 | Strong Brickwork | NEERC 2002 Central Subregional | 1320 | 381 |
| 1648 | Yachts | Autumn School Contest 2008 | 1086 | 382 |
| 1483 | Table Football | USU Championship 2006 | 1259 | 383 |
| 1039 | Anniversary Party | USU Championship 2000 | 3980 | 384 |
| 1291 | Gear-wheels | Spring School Contest 2004 | 1329 | 385 |
| 1410 | Crack | USU Championship 2005 | 1341 | 385 |
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 4031 | 386 |
| 1407 | One-two, One-two | Autumn School Contest 2005 | 1344 | 386 |
| 1031 | Railway Tickets | Ural Championship 1999 | 3986 | 387 |
| 1489 | Points on a Parallelepiped | Autumn School Contest 2006 | 1245 | 387 |
| 1525 | Path | Petrozavodsk Winter 2007. D.Gozman Contest | 1214 | 387 |
| 1111 | Squares | Bulgarian Online Contest September 2001 | 1279 | 388 |
| 1350 | Canteen | Spring School Contest 2005 | 1331 | 388 |
| 1262 | Pseudo-Roman Number | Autumn School Contest 2003 | 1304 | 390 |
| 1326 | Bottle Taps | Ural Championship 2004. Round 2 | 1304 | 392 |
| 1793 | Tray 2 | Ural Regional School Programming Contest 2010 | 907 | 392 |
| 1259 | How to Become Star? | Autumn School Contest 2003 | 1290 | 394 |
| 1416 | Confidential | USU Championship 2005 | 1309 | 395 |
| 1077 | Travelling Tours | | 1253 | 396 |
| 1252 | Sorting the Tombstones | USU Local Contest. March 2003 | 1265 | 399 |
| 1289 | One Way Ticket | USU Personal Contest 2004 | 1278 | 400 |
| 1933 | Guns for Battle! | Ural FU Championship 2012 | 748 | 400 |
| 1007 | Code Words | USU Championship 1997 | 3866 | 402 |
| 1804 | The Machinegunners in a Playoff | NEERC 2010 Eastern Subregional | 879 | 403 |
| 1562 | GM-pineapple | USU Championship 2007 | 1109 | 404 |
| 1129 | Door Painting | USU Championship 2001 | 1220 | 407 |
| 1217 | Unlucky Tickets | USU Championship 2002 | 1227 | 410 |
| 1128 | Partition into Groups | USU Championship 2001 | 1202 | 413 |
| 1115 | Ships | Bulgarian Online Contest September 2001 | 1196 | 414 |
| 2113 | Survive the flood | University academic school olympiad in informatics 2019 | 356 | 416 |
| 1238 | Folding | NEERC 2002 | 1209 | 417 |
| 1258 | Pool | Autumn School Contest 2003 | 1219 | 417 |
| 1343 | Fairy Tale | USU Championship 2004 | 1238 | 417 |
| 1854 | Negotiations with Parthians | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 788 | 418 |
| 1055 | Combinations | NEERC 2000 Central Subregional | 3591 | 419 |
| 1221 | Malevich Strikes Back! | USU Championship 2002 | 1196 | 420 |
| 1279 | Warehouse | NEERC 2003 Central Subregional | 1202 | 423 |
| 2063 | Black and White | Ural Regional School Programming Contest 2015 | 536 | 423 |
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 1164 | 424 |
| 1643 | Attack of the Dark Fortress | Autumn School Contest 2008 | 976 | 424 |
| 1941 | Scary Martian Word | Ural FU Personal Contest 2012 | 688 | 429 |
| 1414 | Astronomical Database | USU Championship 2005 | 1194 | 432 |
| 1960 | Palindromes and Super Abilities | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 655 | 433 |
| 1981 | Parallel and Perpendicular | Ural FU Championship 2013 | 635 | 433 |
| 1439 | Battle with You-Know-Who | Ural Championship 2006 | 1152 | 435 |
| 1316 | Electronic Auction | Ural Championship 2004. Round 1 | 1172 | 436 |
| 1665 | Dean's Financial Pyramid | Petrozavodsk Winter 2008. USU Contest | 937 | 437 |
| 1202 | Rectangles Travel | USU Local Contest. March 2002 | 1125 | 443 |
| 1507 | Difficult Decision | NEERC 2006 Eastern Subregional | 1080 | 444 |
| 1362 | Classmates 2 | Ural Championship 2005. Round 2 | 1161 | 445 |
| 1602 | Elevator | USU Personal Contest 2008 | 965 | 450 |
| 2108 | Oleg and Little Ponies | Ural FU Junior Championship 2016 | 447 | 450 |
| 1571 | Interpreters | USU Championship 2007 | 993 | 451 |
| 2021 | Scarily interesting! | NEERC 2014 Eastern Subregional | 556 | 451 |
| 1181 | Cutting a Painted Polygon | USU Personal Contest 2002 | 1102 | 452 |
| 1015 | Test the Difference! | USU Local Contest. 1999 | 3419 | 453 |
| 1732 | Ministry of Truth | USU Championship 2009 | 842 | 455 |
| 1094 | E-screen | USU Local Contest. March 2001 | 2814 | 458 |
| 1759 | Long-Livers | USU Personal Contest 2010 | 811 | 459 |
| 1888 | Pilot Work Experience | NEERC 2011 Eastern Subregional | 711 | 459 |
| 1890 | Money out of Thin Air | NEERC 2011 Eastern Subregional | 711 | 459 |
| 1329 | Galactic History | Autumn School Contest 2004 | 1117 | 460 |
| 1860 | Fiborial | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 715 | 460 |
| 1019 | Line Painting | USU Local Contest. 1999 | 3354 | 461 |
| 1776 | Anniversary Firework | Ural SU Championship 2010 | 768 | 463 |
| 1430 | Crime and Punishment | Timus Top Coders: First Challenge | 1088 | 464 |
| 1273 | Tie | USU Championship 2003 | 1092 | 465 |
| 1519 | Formula 1 | Timus Top Coders: Third Challenge | 1020 | 466 |
| 2045 | Richness of words | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 531 | 467 |
| 1480 | Coupons | USU Championship 2006 | 1028 | 469 |
| 1783 | Nuclear Arms Race | Ural SU Championship 2010 | 758 | 469 |
| 1904 | The Lessons of the Past | Ural Championship 2012 | 641 | 469 |
| 2047 | Maths | Ural Championship 2015 | 505 | 469 |
| 1828 | Approximation by a Progression | USU Personal Contest 2011 | 730 | 470 |
| 1577 | E-mail | Autumn School Contest 2007 | 942 | 474 |
| 1700 | Awakening | Ural Championship 2009 | 842 | 475 |
| 1963 | Kite | Ural FU Personal Contest 2013 | 585 | 483 |
| 2148 | Insane Shot | Ural School Programming Contest 2019 | 282 | 483 |
| 1038 | Spell Checker | USU Championship 2000 | 3154 | 484 |
| 1631 | Drunk King 2 | USU Championship 2008 | 856 | 484 |
| 1198 | Jobbery | | 1057 | 489 |
| 1212 | Battleship | Autumn School Contest 2002 | 1022 | 491 |
| 1465 | Pawn Game | Petrozavodsk Winter 2006. USU Contest | 992 | 491 |
| 1437 | Gasoline Station | USU Personal Contest 2006 | 1021 | 493 |
| 1535 | The Hobbit or There and Back Again | USU Personal Contest 2007 | 948 | 493 |
| 2167 | Cipher Message 5 | Ural School Programming Contest 2022 | 122 | 493 |
| 1236 | Decoding Task | NEERC 2002 | 1018 | 494 |
| 1579 | Coat Transportation | Autumn School Contest 2007 | 898 | 497 |
| 1428 | Jedi Riddle | Timus Top Coders: First Challenge | 1012 | 499 |
| 1072 | Routing | USU Personal Contest 2001 | 2764 | 501 |
| 1189 | Pairs of Integers | NEERC 2001 | 993 | 501 |
| 2046 | The First Day at School | Ural Championship 2015 | 472 | 501 |
| 1641 | Duties | Autumn School Contest 2008 | 823 | 502 |
| 2030 | Awesome Backup System | Ural Regional School Programming Contest 2014 | 496 | 502 |
| 1103 | Pencils and Circles | Tetrahedron Team Online Contest May 2001 | 980 | 503 |
| 1158 | Censored! | NEERC 2001 Northern Subregional | 982 | 505 |
| 1774 | Barber of the Army of Mages | Ural SU Championship 2010 | 696 | 510 |
| 1901 | Space Elevators | Ural Championship 2012 | 587 | 512 |
| 1182 | Team Them Up! | NEERC 2001 | 971 | 513 |
| 1069 | Prufer Code | USU Personal Contest 2001 | 2687 | 515 |
| 1045 | Funny Game | USU Local Contest. March 2000 | 2904 | 519 |
| 1900 | Brainwashing Device | Ural Championship 2012 | 578 | 519 |
| 1351 | Good Gnusmas – Dead Gnusmas | Spring School Contest 2005 | 985 | 523 |
| 1728 | Curse on Team.GOV | Ural Regional School Programming Contest 2009 | 733 | 523 |
| 2109 | Tourism on Mars | Ural FU Junior Championship 2016 | 383 | 523 |
| 1366 | Presents | Ural Championship 2005. Round 2 | 983 | 524 |
| 1371 | Cargo Agency | Ural Championship 2005. Round 1 | 987 | 524 |
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 2456 | 525 |
| 2027 | URCAPL, Episode 1 | Ural Regional School Programming Contest 2014 | 472 | 527 |
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2848 | 529 |
| 2117 | Polyphemus' triples | University academic school olympiad in informatics 2019 | 277 | 531 |
| 1101 | Robot in the Field | Tetrahedron Team Online Contest May 2001 | 922 | 534 |
| 1682 | Crazy Professor | USU Personal Contest 2009 | 750 | 536 |
| 1325 | Dirt | Ural Championship 2004. Round 2 | 950 | 537 |
| 1334 | Checkers | Autumn School Contest 2004 | 949 | 541 |
| 1375 | Bill Clevers | Ural Championship 2005. Round 1 | 953 | 542 |
| 1923 | Scary Politics | Ural Regional School Programming Contest 2012 | 552 | 542 |
| 2014 | Zhenya moves from parents | NEERC 2014 Eastern Subregional | 461 | 542 |
| 1358 | Cables | Spring School Contest 2005 | 949 | 543 |
| 1421 | Credit Operations | Timus Top Coders: First Challenge | 927 | 544 |
| 1997 | Those are not the droids you're looking for | NEERC 2013 Eastern Subregional | 502 | 545 |
| 1056 | Centers of the Net | NEERC 2000 Central Subregional | 2738 | 549 |
| 1132 | Square Root | | 900 | 550 |
| 1400 | Cellular Characters | Autumn School Contest 2005 | 940 | 550 |
| 1098 | Questions | | 2229 | 552 |
| 1172 | Ship Routes | Romanian Online Contest December 2001 | 893 | 555 |
| 1600 | Airport | USU Personal Contest 2008 | 780 | 556 |
| 1389 | Roadworks | Petrozavodsk Summer 2005. Moscow+Ural Contest | 927 | 557 |
| 1066 | Garland | NEERC 2000 | 2471 | 575 |
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 2236 | 576 |
| 1721 | Two Sides of the Same Coin | NEERC 2009 Eastern Subregional | 662 | 579 |
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2670 | 582 |
| 2026 | Dean and Schedule | Ural Regional School Programming Contest 2014 | 426 | 583 |
| 1448 | Lighting in Hogwarts | Ural Championship 2006 | 854 | 585 |
| 1534 | Football in Gondor | USU Personal Contest 2007 | 797 | 585 |
| 1143 | Electric Path | DSAP Vietnam Online Contest November 2001 | 844 | 587 |
| 1314 | Chase in Subway | Ural Championship 2004. Round 1 | 867 | 588 |
| 1809 | Chapaev and Potatoes | NEERC 2010 Eastern Subregional | 595 | 593 |
| 1592 | Chinese Watches | NEERC 2007 Eastern Subregional | 744 | 597 |
| 1445 | Christmas gifts | Ural Championship 2006 | 835 | 598 |
| 1550 | Dean's Pyramid 3 | Ural Championship 2007 | 772 | 598 |
| 2029 | Towers of Hanoi Strike Back | Ural Regional School Programming Contest 2014 | 414 | 600 |
| 1463 | Happiness to People! | Petrozavodsk Winter 2006. USU Contest | 808 | 601 |
| 1309 | Dispute | Ural Championship 2004. Round 1 | 843 | 604 |
| 1995 | Illegal spices | NEERC 2013 Eastern Subregional | 452 | 604 |
| 1605 | Devil's Sequence | USU Personal Contest 2008 | 716 | 605 |
| 1452 | Pascal vs. C++ | Timus Top Coders: Second Challenge | 817 | 608 |
| 1379 | Cups Transportation | Ural Championship 2005. Round 1 | 845 | 611 |
| 1871 | Seismic Waves | Ural FU Championship 2011 | 530 | 615 |
| 1332 | Genie Bomber | Autumn School Contest 2004 | 825 | 621 |
| 2099 | Space Invader | Ural FU Personal Contest 2014 | 334 | 621 |
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 2224 | 622 |
| 1085 | Meeting | Spring School Contest 2001 | 2174 | 624 |
| 1729 | Dead Man's Chest | Ural Regional School Programming Contest 2009 | 610 | 627 |
| 1486 | Equal Squares | USU Championship 2006 | 761 | 631 |
| 1713 | Key Substrings | NEERC 2009 Eastern Subregional | 607 | 631 |
| 1027 | D++ Again | Autumn School Contest 2000 | 2443 | 632 |
| 1542 | Autocompletion | Ural Championship 2007 | 729 | 633 |
| 1690 | Army of Mages | Petrozavodsk Winter 2009. USU Contest | 631 | 634 |
| 2071 | Juice Cocktails | Ural Regional School Programming Contest 2015 | 354 | 634 |
| 1698 | Square Country 5 | Petrozavodsk Winter 2009. USU Contest | 630 | 635 |
| 1980 | Road to Investor | Ural Championship 2013 | 438 | 636 |
| 1701 | Ostap and Partners | Ural Championship 2009 | 625 | 637 |
| 1500 | Pass Licenses | NEERC 2006 Eastern Subregional | 749 | 638 |
| 1054 | Tower of Hanoi | NEERC 2000 Central Subregional | 2349 | 640 |
| 1942 | Attack at the Orbit | Ural FU Personal Contest 2012 | 458 | 640 |
| 2156 | Interesting Conversations | Ural School Programming Contest 2020 | 169 | 640 |
| 1554 | Multiplicative Functions | Petrozavodsk Summer 2007. NSU Contest | 697 | 641 |
| 1254 | Die Hard | USU Local Contest. March 2003 | 783 | 642 |
| 1484 | Film Rating | USU Championship 2006 | 748 | 642 |
| 1754 | Explosion in a Pyramid | USU Personal Contest 2010 | 574 | 645 |
| 2060 | Subpalindrome pairs | Palindromic Contest | 356 | 648 |
| 1659 | Regular Triangles | NEERC 2008 Eastern Subregional | 634 | 649 |
| 1064 | Binary Search | NEERC 2000 | 2182 | 652 |
| 2146 | Quiz Show | Ural School Programming Contest 2019 | 206 | 653 |
| 1710 | Boris, You Are Wrong! | Ural Championship 2009 | 608 | 655 |
| 1070 | Local Time | USU Personal Contest 2001 | 2100 | 658 |
| 1884 | Way to the University | Ural Regional School Programming Contest 2011 | 494 | 658 |
| 1286 | Starship Travel | USU Personal Contest 2004 | 771 | 659 |
| 1724 | Origin of Man Clarified | Ural Regional School Programming Contest 2009 | 580 | 659 |
| 2143 | Victoria! | Ural School Programming Contest 2019 | 203 | 662 |
| 1061 | Buffer Manager | NEERC 2000 | 2145 | 663 |
| 1248 | Sequence Sum | USU Personal Contest 2003 | 757 | 664 |
| 1706 | Cipher Message 2 | Ural Championship 2009 | 594 | 670 |
| 1059 | Expression | NEERC 2000 Central Subregional | 2229 | 674 |
| 1440 | Training Schedule | Ural Championship 2006 | 740 | 674 |
| 1443 | Rails | Ural Championship 2006 | 739 | 675 |
| 1760 | Infernal Work | USU Personal Contest 2010 | 547 | 676 |
| 1966 | Cycling Roads | Ural FU Personal Contest 2013 | 413 | 680 |
| 1971 | Graphics Settings | Ural Championship 2013 | 409 | 680 |
| 1564 | Counting Ones | USU Championship 2007 | 650 | 685 |
| 1822 | Hugo II's War | USU Personal Contest 2011 | 498 | 685 |
| 1234 | Bricks | NEERC 2002 | 730 | 686 |
| 1274 | Fractional Arithmetic | NEERC 2003 Central Subregional | 736 | 688 |
| 1253 | Necrologues | USU Local Contest. March 2003 | 725 | 693 |
| 1611 | Decimation | Ural Championship 2008 | 618 | 695 |
| 1891 | Language Ocean | NEERC 2011 Eastern Subregional | 466 | 695 |
| 2081 | Faulty dial | Ural Championship 2016 | 301 | 695 |
| 1186 | Chemical Reactions | NEERC 2001 | 712 | 696 |
| 1870 | Zinium 2 | Ural FU Championship 2011 | 466 | 697 |
| 1424 | Minibus | Timus Top Coders: First Challenge | 715 | 703 |
| 1803 | The Czechs' Rifles | NEERC 2010 Eastern Subregional | 500 | 703 |
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1822 | 706 |
| 1606 | Slalom | USU Personal Contest 2008 | 612 | 706 |
| 1076 | Trash | | 1939 | 708 |
| 1305 | Convex Hull | Ural Championship 1998 | 718 | 708 |
| 2121 | Intersection of Parabolas | Petrozavodsk Summer 2018. umnik_team Contest | 201 | 713 |
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 2105 | 714 |
| 1405 | Goat in the Garden 5 | Autumn School Contest 2005 | 720 | 715 |
| 1838 | Samurai's Stroke | Ural Championship 2011 | 472 | 715 |
| 2172 | Meta-statement 2 | Ural School Programming Contest 2022 | 81 | 715 |
| 1619 | Big Brother | Petrozavodsk Winter 2008. ITMO Contest | 581 | 718 |
| 1920 | Titan Ruins: the Infinite Power of Magic | NEERC 2012 Eastern Subregional | 415 | 718 |
| 1174 | Weird Permutations | Romanian Online Contest December 2001 | 686 | 720 |
| 1474 | About Frogs | Petrozavodsk Summer 2006. Ural+Orel Contest | 667 | 720 |
| 2080 | Wallet | Ural Championship 2016 | 288 | 725 |
| 1767 | The House of Doctor Dee | Ural Championship 2010 | 506 | 726 |
| 1772 | Ski-Trails for Robots | Ural Championship 2010 | 506 | 726 |
| 1169 | Pairs | Romanian Online Contest December 2001 | 680 | 727 |
| 1250 | Sea Burial | USU Local Contest. March 2003 | 689 | 729 |
| 1168 | Radio Stations | Romanian Online Contest December 2001 | 675 | 732 |
| 1342 | Enterprise | USU Championship 2004 | 700 | 732 |
| 1268 | Little Chu | USU Championship 2003 | 690 | 733 |
| 1276 | Train | NEERC 2003 Central Subregional | 687 | 736 |
| 1593 | Square Country. Version 2 | | 545 | 738 |
| 1147 | Shaping Regions | DSAP Vietnam Online Contest November 2001 | 666 | 741 |
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1817 | 745 |
| 1301 | Cube in Labyrinth | Ural Championship 1998 | 682 | 745 |
| 1456 | Jedi Riddle 2 | Timus Top Coders: Second Challenge | 663 | 747 |
| 1866 | Poetic Foot | Ural FU Championship 2011 | 433 | 749 |
| 1716 | Alternative Solution | NEERC 2009 Eastern Subregional | 509 | 750 |
| 2004 | Scientists from Spilkovo | Ural Regional School Programming Contest 2013 | 360 | 751 |
| 1159 | Fence | NEERC 2001 Northern Subregional | 655 | 754 |
| 2161 | Mount & Blade | Ural School Programming Contest 2021 | 76 | 757 |
| 1230 | Introspective Program | NEERC 2002 Central Subregional | 656 | 761 |
| 1633 | Hippogriffs | USU Championship 2008 | 539 | 764 |
| 1392 | Dreaming of Stars | | 672 | 766 |
| 1235 | Cricket Field | NEERC 2002 | 652 | 767 |
| 1928 | Another Ecology Problem | Ural Regional School Programming Contest 2012 | 387 | 767 |
| 2032 | Conspiracy Theory and Rebranding | Ural Regional School Programming Contest 2014 | 320 | 770 |
| 2112 | Battle log | University academic school olympiad in informatics 2019 | 185 | 781 |
| 1872 | Spacious Office | Ural FU Championship 2011 | 412 | 787 |
| 1277 | Cops and Thieves | NEERC 2003 Central Subregional | 638 | 792 |
| 1962 | In Chinese Restaurant | Ural FU Personal Contest 2013 | 352 | 795 |
| 1629 | Trip | USU Championship 2008 | 515 | 799 |
| 2119 | Tree Hull | Petrozavodsk Summer 2018. umnik_team Contest | 178 | 800 |
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1900 | 809 |
| 1042 | Central Heating | USU Championship 2000 | 1883 | 809 |
| 1587 | Flying Pig | NEERC 2007 Eastern Subregional | 541 | 817 |
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1885 | 819 |
| 1745 | Yet Another Answer | Petrozavodsk Summer 2009. Ufa SATU Contest | 453 | 822 |
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 595 | 823 |
| 2173 | Meta-statement 3 | Ural School Programming Contest 2022 | 69 | 823 |
| 1755 | Cake | USU Personal Contest 2010 | 447 | 824 |
| 1323 | Classmates | Ural Championship 2004. Round 2 | 613 | 828 |
| 2009 | Canteen Line | Ural Regional School Programming Contest 2013 | 323 | 835 |
| 1436 | Billboard | USU Personal Contest 2006 | 598 | 836 |
| 1940 | Not So Simple Years | Ural FU Championship 2012 | 353 | 836 |
| 1089 | Verification with the Dictionary | Spring School Contest 2001 | 1616 | 837 |
| 1647 | Divide an Island! | Autumn School Contest 2008 | 490 | 837 |
| 1462 | Uncle Scrooge's Gold | Petrozavodsk Winter 2006. USU Contest | 575 | 841 |
| 1939 | First Seal | Ural FU Championship 2012 | 350 | 843 |
| 1269 | Obscene Words Filter | USU Championship 2003 | 598 | 844 |
| 1468 | Fraction | Petrozavodsk Summer 2006. Ural+Orel Contest | 568 | 844 |
| 1373 | Pictura ex Machina | Ural Championship 2005. Round 1 | 608 | 845 |
| 1614 | National Project “Trams” | Ural Championship 2008 | 506 | 846 |
| 1773 | Metro to Every Home | Ural Championship 2010 | 431 | 849 |
| 2116 | He is not a knight for you | University academic school olympiad in informatics 2019 | 169 | 851 |
| 2028 | URCAPL, Episode 2 | Ural Regional School Programming Contest 2014 | 288 | 853 |
| 1339 | Babies | USU Championship 2004 | 594 | 861 |
| 1575 | Yekaterinburg Subway 2 | Autumn School Contest 2007 | 514 | 862 |
| 1422 | Fireflies | Timus Top Coders: First Challenge | 581 | 863 |
| 1398 | Bishop and Pawn | | 542 | 866 |
| 1558 | Periodical Numbers | Petrozavodsk Summer 2007. NSU Contest | 513 | 867 |
| 1547 | Password Search | Ural Championship 2007 | 528 | 869 |
| 1512 | Zinium | Timus Top Coders: Third Challenge | 538 | 875 |
| 2040 | Palindromes and Super Abilities 2 | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 279 | 875 |
| 1896 | War Games 2.1 | | 239 | 877 |
| 2182 | Broken Rum | Ural School Programming Contest 2024 | 32 | 877 |
| 1696 | Salary for Robots | Petrozavodsk Winter 2009. USU Contest | 453 | 878 |
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 503 | 880 |
| 2048 | History | Ural Championship 2015 | 264 | 882 |
| 1498 | Stroke at Full Speed | Autumn School Contest 2006 | 538 | 886 |
| 1546 | Japanese Sorting | Ural Championship 2007 | 517 | 887 |
| 1892 | Morning in Koltsovo | NEERC 2011 Eastern Subregional | 363 | 887 |
| 1961 | Cantonese Dialect | Ural FU Personal Contest 2013 | 314 | 888 |
| 1154 | Mages Contest | Ural Championship 2001. Round 2 | 554 | 889 |
| 1030 | Titanic | Ural Championship 1999 | 1722 | 892 |
| 1530 | Ones and Zeroes | Petrozavodsk Winter 2007. D.Gozman Contest | 520 | 893 |
| 1580 | Dean's Debts | Autumn School Contest 2007 | 494 | 896 |
| 1646 | Godzilla Strikes Back! | Autumn School Contest 2008 | 457 | 896 |
| 1434 | Buses in Vasyuki | USU Personal Contest 2006 | 557 | 897 |
| 2183 | Good Mood | Ural School Programming Contest 2024 | 31 | 898 |
| 1943 | Space Rummy | Ural FU Personal Contest 2012 | 323 | 899 |
| 1570 | Eating High | USU Championship 2007 | 490 | 904 |
| 1418 | Military Story | USU Championship 2005 | 561 | 912 |
| 1689 | Fisherman and Barbell | USU Personal Contest 2009 | 433 | 920 |
| 1780 | Gray Code | Ural SU Championship 2010 | 381 | 921 |
| 1825 | Ifrit Bomber 2 | USU Personal Contest 2011 | 367 | 923 |
| 2151 | Mahjong | Ural School Programming Contest 2020 | 114 | 925 |
| 1165 | Subnumber | NEERC 2001 Northern Subregional | 531 | 927 |
| 1233 | Amusing Numbers | NEERC 2002 | 537 | 928 |
| 1560 | Elementary Symmetric Functions | Petrozavodsk Summer 2007. NSU Contest | 477 | 931 |
| 1569 | Networking the “Iset” | USU Championship 2007 | 474 | 934 |
| 1324 | Extra Spaces | Ural Championship 2004. Round 2 | 541 | 936 |
| 1469 | No Smoking! | Petrozavodsk Summer 2006. Ural+Orel Contest | 511 | 936 |
| 1830 | Help in the RNOS | Ural Championship 2011 | 358 | 936 |
| 1918 | Titan Ruins: Artful Manipulations | NEERC 2012 Eastern Subregional | 315 | 938 |
| 1705 | Gangster Hares | Ural Championship 2009 | 421 | 939 |
| 1775 | Space Bowling | Ural SU Championship 2010 | 373 | 940 |
| 1903 | Unidentified Ships | Ural Championship 2012 | 315 | 940 |
| 2153 | Perfect Squad | Ural School Programming Contest 2020 | 112 | 940 |
| 2130 | Alice + Bob | Later is better than never | 145 | 941 |
| 1832 | Arirang Show | Ural Championship 2011 | 356 | 942 |
| 2013 | Neither shaken nor stirred | NEERC 2014 Eastern Subregional | 261 | 942 |
| 1130 | Nikifor's Walk | USU Championship 2001 | 519 | 946 |
| 2064 | Caterpillars | Ural Regional School Programming Contest 2015 | 232 | 954 |
| 1364 | LaraKiller | Ural Championship 2005. Round 2 | 534 | 957 |
| 1245 | Pictures | USU Personal Contest 2003 | 521 | 959 |
| 1175 | Strange Sequence | USU Personal Contest 2002 | 513 | 961 |
| 1932 | The Secret of Identifier | Ural FU Championship 2012 | 305 | 963 |
| 2089 | Experienced coach | Ural Championship 2016 | 214 | 964 |
| 1875 | Angry Birds | Ural Regional School Programming Contest 2011 | 332 | 969 |
| 2194 | Snakes&Snakes | ICPC Ural Regional Contest Qualifier 2023 | 28 | 969 |
| 2129 | Mortgage in Far Away Kingdom | Later is better than never | 140 | 972 |
| 2135 | Pauline and commits | Later is better than never | 140 | 972 |
| 1743 | Domino Sorting | Petrozavodsk Summer 2009. Ufa SATU Contest | 380 | 976 |
| 2114 | My craft | University academic school olympiad in informatics 2019 | 146 | 977 |
| 1006 | Square Frames | USU Championship 1997 | 1577 | 981 |
| 2074 | Timus problems classifier | Qualification of Eastern Subregional 2015 | 217 | 981 |
| 1720 | Summit Online Judge | NEERC 2009 Eastern Subregional | 385 | 985 |
| 1237 | Evacuation Plan | NEERC 2002 | 505 | 987 |
| 1278 | “… Connecting People” | NEERC 2003 Central Subregional | 509 | 989 |
| 1435 | Financial Error | USU Personal Contest 2006 | 504 | 989 |
| 1533 | Fat Hobbits | USU Personal Contest 2007 | 466 | 992 |
| 2128 | Rubina's Solitaire | Later is better than never | 137 | 992 |
| 1447 | Portkey Network | Ural Championship 2006 | 499 | 993 |
| 1965 | Pear Trees | Ural FU Personal Contest 2013 | 279 | 995 |
| 1738 | Computer Security | USU Championship 2009 | 379 | 996 |
| 1331 | Vladislava | Autumn School Contest 2004 | 509 | 999 |
| 1040 | Airline Company | USU Championship 2000 | 1521 | 1000 |
| 1451 | Beerhouse Tale | Timus Top Coders: Second Challenge | 492 | 1002 |
| 1805 | Chapaev and a Cipher Grille | NEERC 2010 Eastern Subregional | 346 | 1007 |
| 2110 | Remove or Maximize | Ural FU Junior Championship 2016 | 194 | 1007 |
| 1461 | Christmas Garland | Petrozavodsk Winter 2006. USU Contest | 477 | 1010 |
| 1715 | Another Ball Killer | NEERC 2009 Eastern Subregional | 375 | 1011 |
| 1861 | Graveyard in Deyja | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 320 | 1011 |
| 2155 | Quadrocopter | Ural School Programming Contest 2020 | 103 | 1014 |
| 1926 | The Tournament of Intelligences | Ural Regional School Programming Contest 2012 | 290 | 1015 |
| 1817 | Merry-go-round | Petrozavodsk Summer 2010. Tavrida NU Contest | 336 | 1016 |
| 1630 | Talisman | USU Championship 2008 | 402 | 1018 |
| 1679 | Scrooge's Tower | Petrozavodsk Summer 2008. USU Contest | 393 | 1022 |
| 2123 | Knapsack | Petrozavodsk Summer 2018. umnik_team Contest | 137 | 1023 |
| 2174 | Dualism of Numbers | Ural School Programming Contest 2023 | 26 | 1023 |
| 1625 | Hankel Matrix | Petrozavodsk Winter 2008. ITMO Contest | 399 | 1037 |
| 1608 | Lucky Tickets 2008 | Ural Championship 2008 | 407 | 1047 |
| 1990 | Podracing | NEERC 2013 Eastern Subregional | 256 | 1048 |
| 2106 | Deserialization | Ural FU Junior Championship 2016 | 185 | 1053 |
| 1518 | Jedi Riddle 3 | Timus Top Coders: Third Challenge | 445 | 1054 |
| 1151 | Radiobeacons | Ural Championship 2001. Round 2 | 465 | 1055 |
| 1994 | The Emperor's plan | NEERC 2013 Eastern Subregional | 254 | 1056 |
| 1824 | Ifrit Bomber | USU Personal Contest 2011 | 317 | 1064 |
| 1173 | Lazy Snail | Romanian Online Contest December 2001 | 459 | 1069 |
| 1591 | Abstract Thinking | NEERC 2007 Eastern Subregional | 411 | 1070 |
| 1887 | Frequent Flyer Card | NEERC 2011 Eastern Subregional | 299 | 1071 |
| 1317 | Hail | Ural Championship 2004. Round 2 | 471 | 1072 |
| 1539 | Intelligence Data | USU Personal Contest 2007 | 430 | 1073 |
| 1959 | GOV-internship 3 | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 258 | 1075 |
| 1472 | Martian Army | Petrozavodsk Summer 2006. Ural+Orel Contest | 443 | 1076 |
| 2008 | Swifty | Ural Regional School Programming Contest 2013 | 248 | 1077 |
| 1927 | Herbs and Magic | Ural Regional School Programming Contest 2012 | 272 | 1080 |
| 1863 | Peaceful Atom | Ural FU Championship 2011 | 297 | 1081 |
| 1761 | Binary Palindrome | USU Personal Contest 2010 | 338 | 1083 |
| 1310 | ACM Diagnostics | Ural Championship 2004. Round 1 | 464 | 1088 |
| 1540 | Battle for the Ring | USU Personal Contest 2007 | 424 | 1088 |
| 1699 | Turning Turtles | Petrozavodsk Winter 2009. USU Contest | 363 | 1090 |
| 1627 | Join | Petrozavodsk Winter 2008. ITMO Contest | 377 | 1096 |
| 2152 | Tax Fees | Ural School Programming Contest 2020 | 93 | 1113 |
| 2150 | 4B and Zoo | Ural School Programming Contest 2020 | 92 | 1124 |
| 1905 | Travel in Time | Ural Championship 2012 | 260 | 1131 |
| 1730 | ManBearPig | Ural Regional School Programming Contest 2009 | 331 | 1140 |
| 2162 | Graphmania | Ural School Programming Contest 2021 | 47 | 1140 |
| 1341 | Device | USU Championship 2004 | 445 | 1143 |
| 1936 | Roshambo | Ural FU Championship 2012 | 255 | 1145 |
| 1441 | From the History of Gringotts Bank | Ural Championship 2006 | 431 | 1146 |
| 1099 | Work Scheduling | | 1010 | 1147 |
| 1393 | Average Common Prefix | | 439 | 1154 |
| 1988 | Planet Ocean Landing | Ural FU Championship 2013 | 232 | 1154 |
| 1386 | Maze | Petrozavodsk Summer 2005. Moscow+Ural Contest | 440 | 1160 |
| 1359 | Construction | Spring School Contest 2005 | 438 | 1162 |
| 1595 | Perfect Sequence | | 334 | 1162 |
| 1974 | Similar Tunes | Ural Championship 2013 | 235 | 1162 |
| 1736 | Chinese Hockey | USU Championship 2009 | 323 | 1163 |
| 2140 | BitMazeCraft | Ural School Programming Contest 2019 | 111 | 1165 |
| 1527 | Bad Roads | Petrozavodsk Winter 2007. D.Gozman Contest | 394 | 1172 |
| 1037 | Memory Management | USU Championship 2000 | 1293 | 1175 |
| 1836 | Babel Fish | Ural Championship 2011 | 283 | 1176 |
| 1827 | Indigenous Wars | USU Personal Contest 2011 | 285 | 1179 |
| 1986 | Paul’s Salads | Ural FU Championship 2013 | 226 | 1184 |
| 1768 | Circular Strings | Ural Championship 2010 | 306 | 1185 |
| 1552 | Brainfuck | Petrozavodsk Summer 2007. NSU Contest | 372 | 1187 |
| 2037 | Richness of binary words | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 203 | 1187 |
| 2092 | Bolero | Ural FU Personal Contest 2014 | 170 | 1188 |
| 1357 | Teakettle 1.0 for Dummies | Spring School Contest 2005 | 427 | 1191 |
| 2103 | Corporate Mail | Ural FU Junior Championship 2016 | 162 | 1194 |
| 1408 | Polynomial Multiplication | Autumn School Contest 2005 | 424 | 1203 |
| 1937 | Davy Jones’s Organ | Ural FU Championship 2012 | 242 | 1204 |
| 1883 | Ent's Birthday | Ural Regional School Programming Contest 2011 | 265 | 1205 |
| 2160 | Meta-statement | Ural School Programming Contest 2021 | 44 | 1205 |
| 1453 | Queen | Timus Top Coders: Second Challenge | 407 | 1206 |
| 1419 | Maps of the Island Worlds | USU Championship 2005 | 417 | 1219 |
| 1511 | Fiscal Operations | Timus Top Coders: Third Challenge | 383 | 1220 |
| 1784 | Rounders | Ural SU Championship 2010 | 285 | 1221 |
| 1467 | Sum of Degrees | Petrozavodsk Winter 2006. USU Contest | 391 | 1226 |
| 2176 | Wonderful Numbers | Ural School Programming Contest 2023 | 20 | 1228 |
| 1921 | Chaos and Order | Ural Regional School Programming Contest 2012 | 237 | 1233 |
| 1458 | War Games | Timus Top Coders: Second Challenge | 397 | 1235 |
| 1673 | Admission to Exam | Petrozavodsk Summer 2008. USU Contest | 321 | 1244 |
| 1970 | 皇后像廣場 | Ural FU Personal Contest 2013 | 221 | 1245 |
| 1996 | Cipher Message 3 | NEERC 2013 Eastern Subregional | 214 | 1245 |
| 1177 | Like Comparisons | USU Personal Contest 2002 | 393 | 1247 |
| 1948 | The Robot on the Line | Ural FU Personal Contest 2012 | 230 | 1248 |
| 2163 | Interview | Ural School Programming Contest 2021 | 42 | 1249 |
| 1750 | Pakhom and the Gully | Petrozavodsk Summer 2009. Ufa SATU Contest | 293 | 1256 |
| 1544 | Classmates 3 | Ural Championship 2007 | 362 | 1257 |
| 1703 | Robotic Arm | Ural Championship 2009 | 312 | 1257 |
| 1862 | Very Wealthy Mole | Ural FU Championship 2011 | 252 | 1267 |
| 1171 | Lost in Space | Romanian Online Contest December 2001 | 385 | 1269 |
| 1912 | Titan Ruins: Passing through Walls | NEERC 2012 Eastern Subregional | 230 | 1271 |
| 1487 | Chinese Football | USU Championship 2006 | 372 | 1273 |
| 1687 | Numismatics for Fun | USU Personal Contest 2009 | 309 | 1278 |
| 1360 | Philosophical Dispute | Ural Championship 2005. Round 2 | 397 | 1280 |
| 1307 | Archiver | Ural Championship 2004. Round 1 | 392 | 1283 |
| 1538 | Towers of Guard | USU Personal Contest 2007 | 358 | 1283 |
| 2157 | Skydiving | Ural School Programming Contest 2020 | 79 | 1288 |
| 1476 | Lunar Code | Petrozavodsk Summer 2006. Ural+Orel Contest | 367 | 1293 |
| 1976 | Game Optimization | Ural Championship 2013 | 209 | 1300 |
| 1666 | Vasya Ferrari | Petrozavodsk Winter 2008. USU Contest | 308 | 1301 |
| 1855 | Trade Guilds of Erathia | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 246 | 1303 |
| 1979 | Resources Distribution | Ural Championship 2013 | 202 | 1343 |
| 2017 | Best of a bad lot | NEERC 2014 Eastern Subregional | 180 | 1343 |
| 1722 | Observation Deck | Ural Regional School Programming Contest 2009 | 279 | 1345 |
| 2093 | All Roads Lead to Snowdrift | Ural FU Personal Contest 2014 | 148 | 1353 |
| 2124 | Algebra on Segment | Petrozavodsk Summer 2018. umnik_team Contest | 101 | 1354 |
| 1857 | Alice and Bandersnatch | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 236 | 1356 |
| 1907 | Coffee and Buns | Ural Championship 2012 | 215 | 1358 |
| 1321 | Floor Indicator | Ural Championship 2004. Round 2 | 369 | 1361 |
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 940 | 1362 |
| 1035 | Cross-stitch | Ural Championship 1999 | 1121 | 1363 |
| 2175 | Staircase | Ural School Programming Contest 2023 | 17 | 1363 |
| 1526 | Martian Plates | Petrozavodsk Winter 2007. D.Gozman Contest | 337 | 1365 |
| 1790 | Searching for the Truth | Ural Regional School Programming Contest 2010 | 253 | 1368 |
| 1584 | Pharaohs’ Secrets | NEERC 2007 Eastern Subregional | 319 | 1369 |
| 1747 | Kingdom Inspection | Petrozavodsk Summer 2009. Ufa SATU Contest | 268 | 1369 |
| 1347 | Blog | Spring School Contest 2005 | 368 | 1377 |
| 1281 | River Basin | NEERC 2003 Central Subregional | 362 | 1380 |
| 1669 | Universal Word | Petrozavodsk Winter 2008. USU Contest | 289 | 1383 |
| 1387 | Vasya's Dad | Petrozavodsk Summer 2005. Moscow+Ural Contest | 367 | 1385 |
| 1766 | Humpty Dumpty | Ural Championship 2010 | 260 | 1387 |
| 1318 | Logarithm | Ural Championship 2004. Round 2 | 360 | 1394 |
| 1065 | Frontier | NEERC 2000 | 1005 | 1408 |
| 1328 | Fireball | Autumn School Contest 2004 | 357 | 1412 |
| 2189 | I Don't Like These Sailors! | Ural School Programming Contest 2024 | 16 | 1416 |
| 2192 | My Grandfather | ICPC Ural Regional Contest Qualifier 2022 | 16 | 1417 |
| 1240 | Heroes of Might and Magic | NEERC 2002 | 345 | 1430 |
| 1811 | Dual-SIM Phone | Petrozavodsk Summer 2010. Tavrida NU Contest | 235 | 1435 |
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 1043 | 1436 |
| 1531 | Zones on a Plane | Petrozavodsk Winter 2007. D.Gozman Contest | 318 | 1444 |
| 2171 | Two Progressions 2 | Ural School Programming Contest 2022 | 35 | 1444 |
| 2159 | Essay | Ural School Programming Contest 2021 | 35 | 1446 |
| 1345 | HTML | USU Championship 2004 | 349 | 1448 |
| 1879 | GOV-internship 2 | Ural Regional School Programming Contest 2011 | 218 | 1454 |
| 1266 | Kirchhoff's Law | USU Championship 2003 | 342 | 1457 |
| 1311 | Stable Construction | Ural Championship 2004. Round 1 | 343 | 1461 |
| 1791 | Uncle Styopa and Buses | Ural Regional School Programming Contest 2010 | 236 | 1462 |
| 1894 | Non-Flying Weather | NEERC 2011 Eastern Subregional | 216 | 1464 |
| 1807 | Cartridges for Maxim | NEERC 2010 Eastern Subregional | 233 | 1476 |
| 1949 | The Best Picture in the Galaxy | Ural FU Personal Contest 2012 | 192 | 1482 |
| 1378 | Artificial Intelligence | Ural Championship 2005. Round 1 | 342 | 1483 |
| 1499 | Kerchiefs | Autumn School Contest 2006 | 317 | 1485 |
| 1170 | Desert | Romanian Online Contest December 2001 | 327 | 1488 |
| 1449 | Credit Operations 2 | Timus Top Coders: Second Challenge | 328 | 1488 |
| 2132 | Graph Decomposition. Version 2 | Later is better than never | 88 | 1488 |
| 2118 | Cipher Message 4 | Petrozavodsk Summer 2018. umnik_team Contest | 91 | 1489 |
| 1719 | Kill the Shaitan-Boss | NEERC 2009 Eastern Subregional | 251 | 1491 |
| 1251 | Cemetery Manager | USU Local Contest. March 2003 | 330 | 1498 |
| 2055 | Urban Geography | Ural Championship 2015 | 151 | 1501 |
| 1686 | Photovoltaic Spaceship | USU Personal Contest 2009 | 261 | 1504 |
| 2059 | Not common palindromes | Palindromic Contest | 147 | 1511 |
| 1657 | Cube Snake | NEERC 2008 Eastern Subregional | 264 | 1525 |
| 1412 | Autumn Tide | USU Championship 2005 | 331 | 1527 |
| 2052 | Physical Education | Ural Championship 2015 | 148 | 1530 |
| 1265 | Mirror | USU Championship 2003 | 322 | 1545 |
| 2107 | Oppa Funcan Style | Ural FU Junior Championship 2016 | 123 | 1545 |
| 1299 | Psylonians | Spring School Contest 2004 | 323 | 1547 |
| 1620 | Clever House | Petrozavodsk Winter 2008. ITMO Contest | 263 | 1554 |
| 1337 | Bureaucracy | Autumn School Contest 2004 | 323 | 1557 |
| 1844 | Warlord of the Army of Mages | Petrozavodsk Summer 2010. USU Contest | 204 | 1561 |
| 1488 | ACM Poker | USU Championship 2006 | 300 | 1569 |
| 1677 | Monkey at the Keyboard | Petrozavodsk Summer 2008. USU Contest | 248 | 1596 |
| 2198 | Deep Understanding | ICPC Ural Regional Contest Qualifier 2024 | 13 | 1598 |
| 2184 | Flint's Favorite Number | Ural School Programming Contest 2024 | 13 | 1600 |
| 1813 | Random Shuffler | Petrozavodsk Summer 2010. Tavrida NU Contest | 208 | 1612 |
| 1508 | Japanese Puzzle | NEERC 2006 Eastern Subregional | 290 | 1614 |
| 1968 | Glass Pyramid | Ural FU Personal Contest 2013 | 167 | 1625 |
| 1285 | Thread in a Hyperspace | USU Personal Contest 2004 | 306 | 1630 |
| 1043 | Cover an Arc | USU Championship 2000 | 924 | 1639 |
| 1983 | Nectar Gathering | Ural FU Championship 2013 | 160 | 1643 |
| 1568 | Train Car Sorting | USU Championship 2007 | 264 | 1650 |
| 2126 | Partition into Teams | Petrozavodsk Summer 2018. umnik_team Contest | 80 | 1670 |
| 1762 | Search for a Hiding-Place | USU Personal Contest 2010 | 215 | 1674 |
| 2199 | Company Question | ICPC Ural Regional Contest Qualifier 2024 | 12 | 1675 |
| 2134 | Stampman | Later is better than never | 77 | 1676 |
| 1746 | Hyperrook | Petrozavodsk Summer 2009. Ufa SATU Contest | 217 | 1677 |
| 1459 | Archer's Travel | Petrozavodsk Winter 2006. USU Contest | 282 | 1684 |
| 1241 | Inlay Cutters | NEERC 2002 | 288 | 1705 |
| 2036 | Intersect Until You're Sick of It | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 138 | 1708 |
| 2158 | Two progressions | Ural School Programming Contest 2021 | 28 | 1709 |
| 1947 | Meander | Ural FU Personal Contest 2012 | 165 | 1711 |
| 2170 | Experiment with Juice 2 | Ural School Programming Contest 2022 | 28 | 1711 |
| 1148 | Building Towers | DSAP Vietnam Online Contest November 2001 | 280 | 1727 |
| 1397 | Points Game | | 272 | 1729 |
| 1503 | Polynomial | NEERC 2006 Eastern Subregional | 270 | 1730 |
| 1676 | Mortal Kombat | Petrozavodsk Summer 2008. USU Contest | 228 | 1730 |
| 1267 | Yekaterinburg Subway | USU Championship 2003 | 286 | 1733 |
| 1770 | The Party of Ural Champions | Ural Championship 2010 | 206 | 1733 |
| 1485 | Football and Lie | USU Championship 2006 | 270 | 1737 |
| 1425 | Queen 2 | Timus Top Coders: First Challenge | 283 | 1740 |
| 2101 | Knight's Shield | Ural FU Junior Championship 2016 | 108 | 1741 |
| 1382 | Game with Cards | Petrozavodsk Summer 2005. Moscow+Ural Contest | 289 | 1746 |
| 1851 | GOV-internship | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 181 | 1746 |
| 2190 | Match of the Millennium | ICPC Ural Regional Contest Qualifier 2022 | 11 | 1754 |
| 1257 | Hyphenation | Autumn School Contest 2003 | 282 | 1756 |
| 2164 | Bookmaker | Ural School Programming Contest 2021 | 27 | 1759 |
| 2058 | 100500 palidnromes | Palindromic Contest | 124 | 1770 |
| 1522 | Factory | Petrozavodsk Winter 2007. D.Gozman Contest | 256 | 1780 |
| 1557 | Network Attack | Petrozavodsk Summer 2007. NSU Contest | 244 | 1785 |
| 1338 | Automobiles | USU Championship 2004 | 280 | 1793 |
| 1764 | Transsib | Ural Championship 2010 | 198 | 1800 |
| 1514 | National Park | Timus Top Coders: Third Challenge | 256 | 1803 |
| 1516 | Nostalgia | Timus Top Coders: Third Challenge | 255 | 1810 |
| 1565 | The Duel for Three | USU Championship 2007 | 238 | 1823 |
| 1062 | Triathlon | NEERC 2000 | 770 | 1831 |
| 2085 | Magic Programmer | Ural Championship 2016 | 108 | 1831 |
| 2181 | Student, or There and Back Again | Ural School Programming Contest 2023 | 10 | 1835 |
| 2180 | Need More Tasks | Ural School Programming Contest 2023 | 10 | 1840 |
| 1739 | Faryuks | USU Championship 2009 | 200 | 1845 |
| 1315 | MDPAR and MIIAR | Ural Championship 2004. Round 1 | 268 | 1855 |
| 2147 | City Building | Ural School Programming Contest 2019 | 66 | 1855 |
| 1946 | Chinese Hockey 3 | Ural FU Personal Contest 2012 | 151 | 1860 |
| 1655 | Somali Pirates | NEERC 2008 Eastern Subregional | 214 | 1865 |
| 1675 | Lunar Code 2 | Petrozavodsk Summer 2008. USU Contest | 210 | 1872 |
| 2120 | Tree Average Weight | Petrozavodsk Summer 2018. umnik_team Contest | 70 | 1879 |
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 267 | 1880 |
| 1667 | Square Country 3 | Petrozavodsk Winter 2008. USU Contest | 210 | 1880 |
| 1304 | Parallelepiped | Ural Championship 1998 | 263 | 1888 |
| 1670 | Asterisk | Petrozavodsk Summer 2008. USU Contest | 208 | 1889 |
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 790 | 1890 |
| 1583 | Cheese | NEERC 2007 Eastern Subregional | 228 | 1892 |
| 1913 | Titan Ruins: Alignment of Forces | NEERC 2012 Eastern Subregional | 151 | 1894 |
| 1707 | Hypnotoad's Secret | Ural Championship 2009 | 203 | 1900 |
| 2165 | Cake Cutter | Ural School Programming Contest 2021 | 24 | 1913 |
| 1599 | Winding Number | | 111 | 1919 |
| 1951 | Complex Root | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 140 | 1921 |
| 2195 | Binary Trees | ICPC Ural Regional Contest Qualifier 2023 | 9 | 1939 |
| 2007 | Mutants versus Machines | Ural Regional School Programming Contest 2013 | 133 | 1944 |
| 1144 | The Emperor's Riddle | DSAP Vietnam Online Contest November 2001 | 247 | 1949 |
| 1985 | Prime Square | Ural FU Championship 2013 | 133 | 1954 |
| 1417 | Space Poker 2 | USU Championship 2005 | 256 | 1957 |
| 1361 | Spaceology vs. Chronistics | Ural Championship 2005. Round 2 | 255 | 1965 |
| 1664 | Pipeline Transportation | Petrozavodsk Winter 2008. USU Contest | 200 | 1969 |
| 1808 | Chapaev at the Planet Ocean | NEERC 2010 Eastern Subregional | 172 | 1970 |
| 1396 | Maximum. Version 2 | | 244 | 1972 |
| 1093 | Darts | USU Local Contest. March 2001 | 639 | 1994 |
| 1818 | Fair Fishermen | Petrozavodsk Summer 2010. Tavrida NU Contest | 166 | 1997 |
| 1075 | Thread in a Space | USU Personal Contest 2001 | 681 | 2010 |
| 1492 | Vasya's Dad 2 | Autumn School Contest 2006 | 231 | 2015 |
| 1833 | Hopes of Rowing | Ural Championship 2011 | 161 | 2015 |
| 1532 | Lost in Translation | USU Personal Contest 2007 | 224 | 2018 |
| 1610 | Cactuses | Ural Championship 2008 | 206 | 2021 |
| 2193 | Old Barabarian Rap | ICPC Ural Regional Contest Qualifier 2022 | 8 | 2038 |
| 1187 | Statistical Trouble | NEERC 2001 | 235 | 2052 |
| 1950 | Martian Farmlands | Ural FU Personal Contest 2012 | 134 | 2080 |
| 1216 | Two Pawns and One King | USU Championship 2002 | 233 | 2086 |
| 1615 | Tram Solitaire | Ural Championship 2008 | 199 | 2088 |
| 1919 | Titan Ruins: Transformation of Cylinders | NEERC 2012 Eastern Subregional | 136 | 2089 |
| 1782 | Jack's New Word | Ural SU Championship 2010 | 162 | 2094 |
| 1886 | Trip 2 | NEERC 2011 Eastern Subregional | 148 | 2095 |
| 1597 | Chernobyl’ Eagle on a Roof. Version 2 | | 113 | 2103 |
| 1749 | Periodic Sum | Petrozavodsk Summer 2009. Ufa SATU Contest | 171 | 2103 |
| 1455 | Freedom of Speech | Timus Top Coders: Second Challenge | 229 | 2104 |
| 2041 | Nanomatryoshkas | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 110 | 2107 |
| 1802 | Cube Puzzle | NEERC 2010 Eastern Subregional | 160 | 2109 |
| 1074 | Very Short Problem | USU Personal Contest 2001 | 648 | 2110 |
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 170 | 2115 |
| 1908 | Brute-force Search | Ural Championship 2012 | 134 | 2121 |
| 1781 | Clean Code | Ural SU Championship 2010 | 158 | 2144 |
| 1231 | Turing: One, Two, Three, … | NEERC 2002 Central Subregional | 225 | 2157 |
| 2191 | Piecewise Linear Functions | ICPC Ural Regional Contest Qualifier 2022 | 7 | 2158 |
| 1895 | Steaks on Board | NEERC 2011 Eastern Subregional | 143 | 2163 |
| 2178 | Vadim and Sudoku: Renban | Ural School Programming Contest 2023 | 7 | 2164 |
| 2187 | Need More Gold | Ural School Programming Contest 2024 | 7 | 2164 |
| 1188 | Library | NEERC 2001 | 222 | 2167 |
| 2169 | City Building 2 | Ural School Programming Contest 2022 | 20 | 2167 |
| 1841 | Cableways | Petrozavodsk Summer 2010. USU Contest | 144 | 2169 |
| 1541 | Chase | USU Personal Contest 2007 | 206 | 2186 |
| 1734 | Endgame Database | USU Championship 2009 | 166 | 2201 |
| 1063 | Domino Puzzle | NEERC 2000 | 634 | 2216 |
| 1543 | Dance Revolution | Ural Championship 2007 | 201 | 2217 |
| 1504 | Good Manners | NEERC 2006 Eastern Subregional | 208 | 2221 |
| 1717 | Eligibility Rules | NEERC 2009 Eastern Subregional | 165 | 2224 |
| 2133 | Terms of reference | Later is better than never | 55 | 2244 |
| 1634 | Spider Mite | USU Championship 2008 | 175 | 2268 |
| 1256 | Cemetery Guard | USU Local Contest. March 2003 | 214 | 2274 |
| 2196 | Apocalypse | ICPC Ural Regional Contest Qualifier 2023 | 6 | 2290 |
| 1702 | Crossroad | Ural Championship 2009 | 166 | 2300 |
| 2188 | They are charging the cannon... WHY?! | Ural School Programming Contest 2024 | 6 | 2300 |
| 2177 | Vadim and Sudoku: XV-Pairs | Ural School Programming Contest 2023 | 6 | 2301 |
| 2197 | Work is not a wolf; a wolf is to walk | ICPC Ural Regional Contest Qualifier 2024 | 6 | 2303 |
| 1395 | Pascal vs. C++. Version 2 | | 207 | 2315 |
| 1092 | Transversal | USU Local Contest. March 2001 | 548 | 2319 |
| 2166 | Two Roads | Ural School Programming Contest 2022 | 18 | 2321 |
| 1757 | Gold Bars | USU Personal Contest 2010 | 152 | 2326 |
| 1288 | Astrolocation | USU Personal Contest 2004 | 210 | 2341 |
| 2136 | John vs Santa | Later is better than never | 52 | 2352 |
| 1284 | Space Poker | USU Personal Contest 2004 | 208 | 2362 |
| 1232 | Asteroid Landing | NEERC 2002 Central Subregional | 204 | 2369 |
| 1481 | Winning Chances | USU Championship 2006 | 195 | 2372 |
| 1549 | Another Japanese Puzzle | Ural Championship 2007 | 187 | 2374 |
| 2097 | Snowboarding on Spilnaya | Ural FU Personal Contest 2014 | 80 | 2375 |
| 1275 | Knights of the Round Table | NEERC 2003 Central Subregional | 205 | 2387 |
| 1831 | Tsyfirkin's Lesson | Ural Championship 2011 | 134 | 2393 |
| 1270 | Unicube | USU Championship 2003 | 204 | 2397 |
| 1956 | Fire Signals | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 109 | 2421 |
| 1816 | Troubles with Pollard | Petrozavodsk Summer 2010. Tavrida NU Contest | 135 | 2424 |
| 1798 | Fire Circle. Version 2 | | 87 | 2430 |
| 2038 | Minimum Vertex Cover | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 94 | 2431 |
| 2154 | Flight on a Cannonball | Ural School Programming Contest 2020 | 37 | 2439 |
| 2186 | Hands Up! | Ural School Programming Contest 2024 | 5 | 2446 |
| 1520 | Empire Strikes Back | Timus Top Coders: Third Challenge | 186 | 2447 |
| 2179 | Need More Roads | Ural School Programming Contest 2023 | 5 | 2451 |
| 1977 | Energy Wall | Ural Championship 2013 | 106 | 2454 |
| 1368 | Goat in the Garden 3 | Ural Championship 2005. Round 2 | 199 | 2492 |
| 1849 | Rabbit Hunt 2 | Petrozavodsk Summer 2010. USU Contest | 123 | 2511 |
| 1852 | Cube in a Cube in a Cube | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 121 | 2546 |
| 1953 | Biggest Inscribed Ellipse | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 103 | 2550 |
| 1839 | The Mentaculus | Ural Championship 2011 | 124 | 2572 |
| 1867 | Nanotechnologies | Ural FU Championship 2011 | 119 | 2574 |
| 1454 | Rectangles 2 | Timus Top Coders: Second Challenge | 183 | 2605 |
| 2185 | Journey to the Treasure | Ural School Programming Contest 2024 | 4 | 2621 |
| 2044 | 31 Palindromes | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 86 | 2634 |
| 1429 | Biscuits | Timus Top Coders: First Challenge | 180 | 2684 |
| 1652 | Banking Crisis | NEERC 2008 Eastern Subregional | 143 | 2730 |
| 1758 | Bald Spot Revisited 2 | USU Personal Contest 2010 | 127 | 2750 |
| 1882 | Old Nokia | Ural Regional School Programming Contest 2011 | 110 | 2762 |
| 1850 | Space Tourism | Petrozavodsk Summer 2010. USU Contest | 110 | 2783 |
| 2075 | Take care of your eyebrows! | Qualification of Eastern Subregional 2015 | 70 | 2784 |
| 1058 | Chocolate | NEERC 2000 Central Subregional | 527 | 2804 |
| 2083 | The Guardian of Traditions | Ural Championship 2016 | 67 | 2805 |
| 2096 | All Inclusive | Ural FU Personal Contest 2014 | 66 | 2813 |
| 1308 | Dean's Pyramid | Ural Championship 2004. Round 1 | 170 | 2865 |
| 1812 | The Island of Bad Luck 2 | Petrozavodsk Summer 2010. Tavrida NU Contest | 112 | 2881 |
| 1694 | Killer Words | Petrozavodsk Winter 2009. USU Contest | 131 | 2883 |
| 1695 | Work for Robots | Petrozavodsk Winter 2009. USU Contest | 131 | 2883 |
| 1300 | Taxes | Ural Championship 1998 | 168 | 2895 |
| 1561 | Winnie the Pooh | Petrozavodsk Summer 2007. NSU Contest | 146 | 2907 |
| 1464 | Light | Petrozavodsk Winter 2006. USU Contest | 159 | 2910 |
| 1735 | Theft of the Century | USU Championship 2009 | 123 | 2912 |
| 1505 | Oil Transfer | NEERC 2006 Eastern Subregional | 156 | 2917 |
| 1969 | Hong Kong Tram | Ural FU Personal Contest 2013 | 88 | 2935 |
| 1609 | Tram Tile | Ural Championship 2008 | 138 | 2949 |
| 1438 | Time Limit Exceeded | USU Personal Contest 2006 | 160 | 2991 |
| 1367 | Top Secret | Ural Championship 2005. Round 2 | 163 | 3010 |
| 1312 | Tray | Ural Championship 2004. Round 1 | 161 | 3015 |
| 1477 | Airplanes | Petrozavodsk Summer 2006. Ural+Orel Contest | 151 | 3028 |
| 1814 | Continued Fraction | Petrozavodsk Summer 2010. Tavrida NU Contest | 105 | 3056 |
| 1482 | Triangle Game | USU Championship 2006 | 147 | 3097 |
| 1566 | Triangular Postcards | USU Championship 2007 | 136 | 3097 |
| 1239 | Ghost Busters | NEERC 2002 | 153 | 3114 |
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 122 | 3133 |
| 1411 | 40 Islands Knights | USU Championship 2005 | 156 | 3136 |
| 1623 | Fractal Labyrinth | Petrozavodsk Winter 2008. ITMO Contest | 125 | 3143 |
| 1691 | Algorithm Complexity | Petrozavodsk Winter 2009. USU Contest | 118 | 3176 |
| 2050 | 3D-modeling | Ural Championship 2015 | 66 | 3180 |
| 1622 | Endspiel | Petrozavodsk Winter 2008. ITMO Contest | 123 | 3190 |
| 1835 | Swamp Doctor | Ural Championship 2011 | 98 | 3191 |
| 1955 | Boss, I Can See You! | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 80 | 3201 |
| 1714 | Mnemonics and Palindromes 2 | NEERC 2009 Eastern Subregional | 111 | 3216 |
| 1442 | Floo Powder | Ural Championship 2006 | 146 | 3241 |
| 2168 | Runes in the Field | Ural School Programming Contest 2022 | 10 | 3250 |
| 1466 | Magic Square | Petrozavodsk Winter 2006. USU Contest | 141 | 3257 |
| 1704 | Demodulation | Ural Championship 2009 | 114 | 3264 |
| 1978 | E-Lite | Ural Championship 2013 | 76 | 3311 |
| 1916 | Titan Ruins: Waiting for Stability | NEERC 2012 Eastern Subregional | 82 | 3315 |
| 2125 | Continue the Sequence | Petrozavodsk Summer 2018. umnik_team Contest | 35 | 3341 |
| 1829 | Routing Tables | USU Personal Contest 2011 | 94 | 3344 |
| 1637 | Triangle Game 2 | USU Championship 2008 | 115 | 3356 |
| 1865 | The Island of Märket | Ural FU Championship 2011 | 88 | 3388 |
| 1945 | Many-armed Brothers | Ural FU Personal Contest 2012 | 78 | 3403 |
| 2049 | Chemistry | Ural Championship 2015 | 61 | 3404 |
| 1199 | Mouse | | 130 | 3415 |
| 1509 | Domino Recognition | NEERC 2006 Eastern Subregional | 128 | 3509 |
| 1381 | Cockroaches in the Building | Petrozavodsk Summer 2005. Moscow+Ural Contest | 137 | 3552 |
| 1972 | Game Testing | Ural Championship 2013 | 70 | 3559 |
| 1166 | Funny Card Game | NEERC 2001 Northern Subregional | 133 | 3586 |
| 2061 | OEIS A216264 | Palindromic Contest | 55 | 3649 |
| 2053 | Biology | Ural Championship 2015 | 56 | 3662 |
| 1681 | Brother Bear's Garden | USU Personal Contest 2009 | 101 | 3673 |
| 2084 | Technical debt | Ural Championship 2016 | 48 | 3724 |
| 2022 | Riding a Toad | NEERC 2014 Eastern Subregional | 58 | 3752 |
| 1751 | Improbability Theory | Petrozavodsk Summer 2009. Ufa SATU Contest | 91 | 3769 |
| 2042 | Nikita | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 57 | 3774 |
| 1529 | Game of Squares | Petrozavodsk Winter 2007. D.Gozman Contest | 115 | 3788 |
| 1661 | Dodecahedron | Petrozavodsk Winter 2008. USU Contest | 99 | 3794 |
| 1954 | Five Palindromes | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 65 | 3842 |
| 1958 | Algorithm of Professor Ivanov | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 65 | 3842 |
| 1475 | Ryaba Hen | Petrozavodsk Summer 2006. Ural+Orel Contest | 116 | 3870 |
| 1856 | War and Peace | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 76 | 3879 |
| 1858 | Magic Cube | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 76 | 3879 |
| 2057 | Non-palidromic cutting | Palindromic Contest | 51 | 3888 |
| 2127 | Determinant of a Graph | Petrozavodsk Summer 2018. umnik_team Contest | 28 | 3956 |
| 1616 | Square Country 4 | Ural Championship 2008 | 99 | 4004 |
| 2006 | Kirill the Gardener | Ural Regional School Programming Contest 2013 | 59 | 4028 |
| 2087 | Trains | Ural Championship 2016 | 43 | 4075 |
| 2051 | Physics | Ural Championship 2015 | 49 | 4096 |
| 1478 | Spy Satellites | Petrozavodsk Summer 2006. Ural+Orel Contest | 109 | 4097 |
| 1163 | Chapaev | NEERC 2001 Northern Subregional | 112 | 4108 |
| 1380 | Ostap's Chess | Petrozavodsk Summer 2005. Moscow+Ural Contest | 114 | 4211 |
| 1859 | Last Season of Team.GOV | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 69 | 4222 |
| 1843 | Cutting a Parallelepiped | Petrozavodsk Summer 2010. USU Contest | 69 | 4228 |
| 1810 | Antiequations | Petrozavodsk Summer 2010. Tavrida NU Contest | 73 | 4235 |
| 1460 | Wires | Petrozavodsk Winter 2006. USU Contest | 106 | 4239 |
| 1765 | Error 404 | Ural Championship 2010 | 78 | 4255 |
| 1559 | TruCoders Linguistics | Petrozavodsk Summer 2007. NSU Contest | 94 | 4360 |
| 1909 | Space Recon | Ural Championship 2012 | 60 | 4364 |
| 1778 | Chinese Hockey 2 | Ural SU Championship 2010 | 72 | 4393 |
| 1847 | Zamkadye | Petrozavodsk Summer 2010. USU Contest | 66 | 4395 |
| 2139 | Experiment with Juice | Ural School Programming Contest 2019 | 22 | 4405 |
| 1621 | Definite Integral | Petrozavodsk Winter 2008. ITMO Contest | 86 | 4419 |
| 1815 | Farm in San Andreas | Petrozavodsk Summer 2010. Tavrida NU Contest | 69 | 4449 |
| 1618 | Arrays Printing | Petrozavodsk Winter 2008. ITMO Contest | 85 | 4466 |
| 1344 | Gigantic Turnip | USU Championship 2004 | 106 | 4483 |
| 1914 | Titan Ruins: Serial Control | NEERC 2012 Eastern Subregional | 58 | 4484 |
| 1632 | Lasers | USU Championship 2008 | 83 | 4511 |
| 1479 | Scheduled Checking | Petrozavodsk Summer 2006. Ural+Orel Contest | 98 | 4514 |
| 2122 | Hamming | Petrozavodsk Summer 2018. umnik_team Contest | 23 | 4556 |
| 1848 | Fly Hunt | Petrozavodsk Summer 2010. USU Contest | 63 | 4576 |
| 1662 | Goat in the Garden 6 | Petrozavodsk Winter 2008. USU Contest | 80 | 4595 |
| 2043 | Kirill the Gardener 2 | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 45 | 4597 |
| 1911 | Titan Ruins: Overtaking Fire | NEERC 2012 Eastern Subregional | 56 | 4620 |
| 1271 | Sailing Directions | USU Championship 2003 | 101 | 4621 |
| 1845 | Integer-valued Complex Determinant | Petrozavodsk Summer 2010. USU Contest | 62 | 4639 |
| 1594 | Aztec Treasure | | 76 | 4652 |
| 1733 | Forgotten Technology | USU Championship 2009 | 73 | 4667 |
| 1598 | DSA Attack | | 45 | 4671 |
| 1365 | Testing Calculator | Ural Championship 2005. Round 2 | 100 | 4734 |
| 1834 | Tennis Racket | Ural Championship 2011 | 62 | 4786 |
| 1041 | Nikifor | USU Championship 2000 | 308 | 4814 |
| 1938 | Caribbean Triangle | Ural FU Championship 2012 | 52 | 4894 |
| 1975 | Model of the Earth | Ural Championship 2013 | 48 | 4909 |
| 1340 | Cucaracha | USU Championship 2004 | 94 | 5000 |
| 1384 | Goat in the Garden 4 | Petrozavodsk Summer 2005. Moscow+Ural Contest | 94 | 5021 |
| 1799 | Sasha and swag strings | | 36 | 5045 |
| 1363 | Halftones | Ural Championship 2005. Round 2 | 92 | 5106 |
| 1624 | Go out of here! | Petrozavodsk Winter 2008. ITMO Contest | 72 | 5174 |
| 1426 | Rectangles | Timus Top Coders: First Challenge | 88 | 5203 |
| 1678 | Space Poker 3 | Petrozavodsk Summer 2008. USU Contest | 67 | 5348 |
| 1473 | Farm 2 | Petrozavodsk Summer 2006. Ural+Orel Contest | 81 | 5358 |
| 1763 | Expert Flea | Ural Championship 2010 | 59 | 5427 |
| 1797 | Summit Online Judge. Version 2 | | 46 | 5479 |
| 2090 | Crossroads of Destiny | Ural FU Personal Contest 2014 | 29 | 5482 |
| 1391 | Snake | Petrozavodsk Summer 2005. Moscow+Ural Contest | 85 | 5496 |
| 2079 | Memory leaks | Ural Championship 2016 | 29 | 5539 |
| 1697 | Sniper Shot | Petrozavodsk Winter 2009. USU Contest | 63 | 5568 |
| 1801 | The Revolution Cup | NEERC 2010 Eastern Subregional | 54 | 5603 |
| 1957 | Mundial | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 41 | 5649 |
| 2086 | Find Denis | Ural Championship 2016 | 28 | 5684 |
| 1973 | Location Generator | Ural Championship 2013 | 39 | 5810 |
| 2131 | Open Cup | Later is better than never | 15 | 5834 |
| 1967 | Programmer Casino | Ural FU Personal Contest 2013 | 39 | 5870 |
| 1668 | Death Star 2 | Petrozavodsk Winter 2008. USU Contest | 60 | 5908 |
| 1372 | Death Star | Ural Championship 2005. Round 1 | 78 | 5933 |
| 1842 | Local Roots | Petrozavodsk Summer 2010. USU Contest | 45 | 6073 |
| 1674 | Drunk King | Petrozavodsk Summer 2008. USU Contest | 56 | 6239 |
| 1897 | Alice and Bob and a string | | 16 | 6317 |
| 2039 | Striped Square | Petrozavodsk Summer 2014. Ural FU Dandelion Contest | 30 | 6321 |
| 2137 | Dynamic string complexity | Later is better than never | 13 | 6341 |
| 1771 | A Deputy's Morning | Ural Championship 2010 | 49 | 6346 |
| 2094 | Thousand Imps | Ural FU Personal Contest 2014 | 23 | 6479 |
| 1660 | The Island of Bad Luck | Petrozavodsk Winter 2008. USU Contest | 53 | 6564 |
| 1653 | Death Conveyor | NEERC 2008 Eastern Subregional | 53 | 6630 |
| 2088 | Nostalgic Evening | Ural Championship 2016 | 22 | 6717 |
| 1649 | Abstractionism to the People | NEERC 2008 Eastern Subregional | 51 | 6848 |
| 1999 | The secret module | NEERC 2013 Eastern Subregional | 30 | 6972 |
| 1536 | Delights of Pipe-weed | USU Personal Contest 2007 | 55 | 7266 |
| 1819 | Professional Approach | Petrozavodsk Summer 2010. Tavrida NU Contest | 38 | 7323 |
| 2054 | Astronomy | Ural Championship 2015 | 22 | 7551 |
| 1853 | Laser Technologies | Petrozavodsk Summer 2011. Ural SU Team.GOV Contest | 34 | 7581 |
| 2077 | Reductions | Qualification of Eastern Subregional 2015 | 19 | 7679 |
| 1906 | The Lost Civilization | Ural Championship 2012 | 29 | 7832 |
| 1432 | Twofold Luck | USU Personal Contest 2006 | 54 | 7945 |
| 2076 | Vasiana | Qualification of Eastern Subregional 2015 | 18 | 7953 |
| 1626 | Interfering Segment | Petrozavodsk Winter 2008. ITMO Contest | 43 | 8005 |
| 2082 | Poker | Ural Championship 2016 | 16 | 8293 |
| 1840 | Victim of Advertising | Ural Championship 2011 | 31 | 8406 |
| 2016 | Magic and Science | NEERC 2014 Eastern Subregional | 19 | 8798 |
| 1555 | Find the Treasure! | Petrozavodsk Summer 2007. NSU Contest | 39 | 9255 |
| 1415 | Mobile Life | USU Championship 2005 | 46 | 9295 |
| 1556 | Multishot in the Secret Cow Level | Petrozavodsk Summer 2007. NSU Contest | 38 | 9448 |
| 1390 | Shots at Walls | Petrozavodsk Summer 2005. Moscow+Ural Contest | 45 | 9494 |
| 1376 | Dean's Pyramid 2 | Ural Championship 2005. Round 1 | 44 | 9668 |
| 1596 | Knight Mare | | 23 | 9734 |
| 1383 | Flower-garden Designs | Petrozavodsk Summer 2005. Moscow+Ural Contest | 43 | 9852 |
| 1399 | Economical Director | | 36 | 10390 |
| 1374 | Misere | Ural Championship 2005. Round 1 | 39 | 10655 |
| 1693 | Loyd's Problem | Petrozavodsk Winter 2009. USU Contest | 28 | 10697 |
| 1672 | Droid flies | Petrozavodsk Summer 2008. USU Contest | 26 | 11438 |
| 1952 | To Kill the Dragon | Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection | 15 | 11524 |
| 1708 | Sum of Digits 2 | Ural Championship 2009 | 25 | 11562 |
| 1369 | Cockroach Race | Ural Championship 2005. Round 2 | 32 | 12399 |
| 1524 | Men in Black | Petrozavodsk Winter 2007. D.Gozman Contest | 26 | 13152 |
| 1548 | Sakura and Statistics | Ural Championship 2007 | 22 | 14615 |
| 1589 | Sokoban | NEERC 2007 Eastern Subregional | 19 | 15528 |
| 1394 | Ships. Version 2 | | 23 | 15823 |
| 1388 | Photo | Petrozavodsk Summer 2005. Moscow+Ural Contest | 22 | 16317 |
|
