| ENG RUS | Timus Online Judge |
Problem set
| ID | Title | Source | Authors | Difficulty | |||
|---|---|---|---|---|---|---|---|
| 1000 | A+B Problem | 52921 | 20 | ||||
| 1001 | Reverse Root | 13223 | 23 | ||||
| 1785 | Lost in Localization | Ural Regional School Programming Contest 2010 | 6204 | 23 | |||
| 1877 | Bicycle Codes | Ural Regional School Programming Contest 2011 | 3925 | 27 | |||
| 1293 | Eniya | Spring School Contest 2004 | 12551 | 28 | |||
| 1409 | Two Gangsters | Autumn School Contest 2005 | 12007 | 30 | |||
| 1820 | Ural Steaks | USU Personal Contest 2011 | 4134 | 31 | |||
| 1787 | Turn for MEGA | Ural Regional School Programming Contest 2010 | 4037 | 35 | |||
| 1880 | Psych Up's Eigenvalues | Ural Regional School Programming Contest 2011 | 2965 | 36 | |||
| 1197 | Lonesome Knight | Spring School Contest 2002 | 9013 | 37 | |||
| 1264 | Workdays | Autumn School Contest 2003 | 9311 | 37 | |||
| 1639 | Chocolate 2 | Autumn School Contest 2008 | 5164 | 43 | |||
| 1910 | Titan Ruins: Hidden Entrance | NEERC 2012 Eastern Subregional | 1483 | 47 | |||
| 1313 | Some Words about Sport | Ural Championship 2004. Round 1 | 7253 | 48 | |||
| 1068 | Sum | 18833 | 50 | ||||
| 1209 | 1, 10, 100, 1000... | Autumn School Contest 2002 | 6762 | 50 | |||
| 1319 | Hotel | Ural Championship 2004. Round 2 | 6817 | 52 | |||
| 1567 | SMS-spam | USU Championship 2007 | 5108 | 52 | |||
| 1881 | Long problem statement | Ural Regional School Programming Contest 2011 | 2024 | 52 | |||
| 1581 | Teamwork | Autumn School Contest 2007 | 5018 | 53 | |||
| 1876 | Centipede's Morning | Ural Regional School Programming Contest 2011 | 1894 | 56 | |||
| 1893 | A380 | NEERC 2011 Eastern Subregional | 1849 | 56 | |||
| 1263 | Elections | Autumn School Contest 2003 | 6086 | 57 | |||
| 1585 | Penguins | NEERC 2007 Eastern Subregional | 4653 | 57 | |||
| 1924 | Four Imps | Ural Regional School Programming Contest 2012 | 1215 | 57 | |||
| 1225 | Flags | NEERC 2002 Central Subregional | 5683 | 60 | |||
| 1327 | Fuses | Autumn School Contest 2004 | 5876 | 60 | |||
| 1100 | Final Standings | Tetrahedron Team Online Contest May 2001 | 5406 | 61 | |||
| 1110 | Power | Bulgarian Online Contest September 2001 | 5408 | 61 | |||
| 1243 | Divorce of the Seven Dwarfs | USU Personal Contest 2003 | 5483 | 62 | |||
| 1493 | One Step from Happiness | Autumn School Contest 2006 | 4908 | 63 | |||
| 1349 | Farm | Spring School Contest 2005 | 5518 | 65 | |||
| 1545 | Hieroglyphs | Ural Championship 2007 | 4318 | 66 | |||
| 1636 | Penalty Time | USU Championship 2008 | 3376 | 66 | |||
| 1496 | Spammer | Autumn School Contest 2006 | 4624 | 67 | |||
| 1607 | Taxi | USU Personal Contest 2008 | 3719 | 67 | |||
| 1149 | Sinus Dances | 4682 | 71 | ||||
| 1617 | Flat Spots | Ural Championship 2008 | 3467 | 71 | |||
| 1196 | History Exam | Spring School Contest 2002 | 4667 | 72 | |||
| 1723 | Sandro's Book | Ural Regional School Programming Contest 2009 | 2477 | 73 | |||
| 1792 | Hamming Code | Ural Regional School Programming Contest 2010 | 1958 | 73 | |||
| 1131 | Copying | USU Championship 2001 | 4408 | 75 | |||
| 1925 | British Scientists Save the World | Ural Regional School Programming Contest 2012 | 912 | 75 | |||
| 1025 | Democracy in Danger | Autumn School Contest 2000 | 13339 | 76 | |||
| 1457 | Heating Main | Timus Top Coders: Second Challenge | 4386 | 76 | |||
| 1563 | Bayan | USU Championship 2007 | 3501 | 76 | |||
| 1712 | Cipher Grille | NEERC 2009 Eastern Subregional | 2401 | 76 | |||
| 1837 | Isenbaev's Number | Ural Championship 2011 | 1608 | 76 | |||
| 1224 | Spiral | NEERC 2002 Central Subregional | 4287 | 79 | |||
| 1654 | Cipher Message | NEERC 2008 Eastern Subregional | 2755 | 80 | |||
| 1083 | Factorials!!! | Spring School Contest 2001 | 10865 | 82 | |||
| 1290 | Sabotage | Spring School Contest 2004 | 4222 | 83 | |||
| 1194 | Handshakes | Spring School Contest 2002 | 3874 | 86 | |||
| 1502 | Domino Dots | NEERC 2006 Eastern Subregional | 3577 | 86 | |||
| 1638 | Bookworm | USU Championship 2008 | 2558 | 87 | |||
| 1786 | Sandro's Biography | Ural Regional School Programming Contest 2010 | 1635 | 87 | |||
| 1902 | Neo-Venice | Ural Championship 2012 | 798 | 87 | |||
| 1796 | Amusement Park | Ural Regional School Programming Contest 2010 | 1613 | 88 | |||
| 1120 | Sum of Sequential Numbers | Autumn School Contest 2001 | 3719 | 89 | |||
| 1139 | City Blocks | NEERC 2001 Central Subregional | 3710 | 89 | |||
| 1404 | Easy to Hack! | Autumn School Contest 2005 | 3960 | 91 | |||
| 1180 | Stone Game | USU Personal Contest 2002 | 3553 | 94 | |||
| 1731 | Dill | Ural Regional School Programming Contest 2009 | 1916 | 94 | |||
| 1161 | Stripies | NEERC 2001 Northern Subregional | 3485 | 95 | |||
| 1601 | AntiCAPS | USU Personal Contest 2008 | 2626 | 95 | |||
| 1642 | 1D Maze | Autumn School Contest 2008 | 2319 | 95 | |||
| 1873 | GOV Chronicles | Ural Regional School Programming Contest 2011 | 1093 | 96 | |||
| 1935 | Tears of Drowned | Ural FU Championship 2012 | 703 | 96 | |||
| 1106 | Two Teams | Tetrahedron Team Online Contest May 2001 | 3355 | 97 | |||
| 1510 | Order | NEERC 2006 Eastern Subregional | 3129 | 99 | |||
| 1777 | Anindilyakwa | Ural SU Championship 2010 | 1442 | 99 | |||
| 1009 | K-based Numbers | USU Championship 1997 | 9911 | 102 | |||
| 1644 | A Whole Lot of Walnuts | Autumn School Contest 2008 | 2170 | 102 | |||
| 1214 | Strange Procedure | Autumn School Contest 2002 | 3275 | 103 | |||
| 1005 | Stone Pile | USU Championship 1997 | 9816 | 104 | |||
| 1228 | Array | NEERC 2002 Central Subregional | 3249 | 104 | |||
| 1370 | Magician | Ural Championship 2005. Round 2 | 3409 | 105 | |||
| 1104 | Don’t Ask Woman about Her Age | Tetrahedron Team Online Contest May 2001 | 3097 | 106 | |||
| 1014 | Product of Digits | USU Local Contest. 1999 | 9424 | 107 | |||
| 1119 | Metro | Autumn School Contest 2001 | 3073 | 107 | |||
| 1446 | Sorting Hat | Ural Championship 2006 | 3167 | 107 | |||
| 1082 | Gaby Ivanushka | Spring School Contest 2001 | 8061 | 111 | |||
| 1020 | Rope | Autumn School Contest 2000 | 9049 | 112 | |||
| 1297 | Palindrome | Spring School Contest 2004 | 3132 | 112 | |||
| 1868 | Prediction Contest | Ural FU Championship 2011 | 946 | 112 | |||
| 1573 | Alchemy | Autumn School Contest 2007 | 2330 | 114 | |||
| 1044 | Lucky Tickets. Easy! | USU Championship 2000 | 8679 | 115 | |||
| 1118 | Nontrivial Numbers | Autumn School Contest 2001 | 2880 | 115 | |||
| 1330 | Intervals | Autumn School Contest 2004 | 3083 | 115 | |||
| 1582 | Bookmakers | NEERC 2007 Eastern Subregional | 2287 | 115 | |||
| 1711 | Code Names | NEERC 2009 Eastern Subregional | 1575 | 115 | |||
| 1146 | Maximum Sum | DSAP Vietnam Online Contest November 2001 | 2853 | 116 | |||
| 1123 | Salary | Autumn School Contest 2001 | 2822 | 117 | |||
| 1136 | Parliament | NEERC 2001 Central Subregional | 2800 | 118 | |||
| 1079 | Maximum | Winter Mathematical Festival Varna 2001 | 7548 | 119 | |||
| 1206 | Sum of Digits of the Sum of Numbers | USU Local Contest. March 2002 | 2788 | 120 | |||
| 1192 | Ball in a Dream | Spring School Contest 2002 | 2758 | 121 | |||
| 1226 | esreveR redrO | NEERC 2002 Central Subregional | 2766 | 123 | |||
| 1219 | Symbolic Sequence | USU Championship 2002 | 2725 | 124 | |||
| 1683 | Fridge | USU Personal Contest 2009 | 1665 | 124 | |||
| 1788 | On the Benefits of Umbrellas | Ural Regional School Programming Contest 2010 | 1133 | 125 | |||
| 1296 | Hyperjump | Spring School Contest 2004 | 2786 | 126 | |||
| 1821 | Biathlon | USU Personal Contest 2011 | 996 | 127 | |||
| 1203 | Scientific Conference | USU Local Contest. March 2002 | 2600 | 128 | |||
| 1688 | Team.GOV! | USU Personal Contest 2009 | 1607 | 128 | |||
| 1725 | Sold Out! | Ural Regional School Programming Contest 2009 | 1404 | 129 | |||
| 1878 | Rubinchik's Cube | Ural Regional School Programming Contest 2011 | 796 | 132 | |||
| 1086 | Cryptography | Spring School Contest 2001 | 6678 | 134 | |||
| 1126 | Magnetic Storms | USU Championship 2001 | 2460 | 134 | |||
| 1740 | Deer is Better! | USU Championship 2009 | 1325 | 135 | |||
| 1283 | Dwarf | USU Personal Contest 2004 | 2566 | 136 | |||
| 1021 | Sacrament of the Sum | Autumn School Contest 2000 | 7398 | 137 | |||
| 1022 | Genealogical Tree | Autumn School Contest 2000 | 7368 | 137 | |||
| 1336 | Problem of Ben Betsalel | Autumn School Contest 2004 | 2557 | 138 | |||
| 1612 | Tram Forum | Ural Championship 2008 | 1759 | 139 | |||
| 1864 | Get-Together at Den's | Ural FU Championship 2011 | 758 | 139 | |||
| 1222 | Chernobyl’ Eagles | USU Championship 2002 | 2421 | 140 | |||
| 1142 | Relations | DSAP Vietnam Online Contest November 2001 | 2343 | 141 | |||
| 1026 | Questions and Answers | Autumn School Contest 2000 | 7125 | 142 | |||
| 1352 | Mersenne Primes | Spring School Contest 2005 | 2508 | 142 | |||
| 1353 | Milliard Vasya's Function | Spring School Contest 2005 | 2458 | 145 | |||
| 1576 | Telephone Tariffs | Autumn School Contest 2007 | 1811 | 146 | |||
| 1756 | One and a Half Diggers | USU Personal Contest 2010 | 1121 | 147 | |||
| 1931 | Excellent Team | Ural FU Championship 2012 | 458 | 147 | |||
| 1402 | Cocktails | Autumn School Contest 2005 | 2425 | 148 | |||
| 1260 | Nudnik Photographer | Autumn School Contest 2003 | 2300 | 151 | |||
| 1084 | Goat in the Garden | Spring School Contest 2001 | 5871 | 152 | |||
| 1769 | Old Ural Legend | Ural Championship 2010 | 1054 | 153 | |||
| 1917 | Titan Ruins: Deadly Accuracy | NEERC 2012 Eastern Subregional | 447 | 153 | |||
| 1178 | Akbardin’s Roads | USU Personal Contest 2002 | 2152 | 155 | |||
| 1794 | Masterpieces of World Architecture | Ural Regional School Programming Contest 2010 | 914 | 155 | |||
| 1295 | Crazy Notions | Spring School Contest 2004 | 2239 | 156 | |||
| 1789 | Searching for the Dodecahedron | Ural Regional School Programming Contest 2010 | 896 | 158 | |||
| 1727 | Znaika's Magic Numbers | Ural Regional School Programming Contest 2009 | 1131 | 159 | |||
| 1869 | New Year Cruise | Ural FU Championship 2011 | 664 | 159 | |||
| 1915 | Titan Ruins: Reconstruction of Bygones | NEERC 2012 Eastern Subregional | 424 | 161 | |||
| 1157 | Young Tiler | Ural Championship 2001. Round 2 | 2019 | 164 | |||
| 1685 | Orthography | USU Personal Contest 2009 | 1247 | 165 | |||
| 1800 | Murphy's Law | NEERC 2010 Eastern Subregional | 847 | 165 | |||
| 1012 | K-based Numbers. Version 2 | 6098 | 166 | ||||
| 1135 | Recruits | NEERC 2001 Central Subregional | 1985 | 166 | |||
| 1506 | Columns of Numbers | NEERC 2006 Eastern Subregional | 1848 | 167 | |||
| 1572 | Yekaterinozavodsk Great Well | Autumn School Contest 2007 | 1571 | 168 | |||
| 1213 | Cockroaches! | Autumn School Contest 2002 | 1998 | 169 | |||
| 1013 | K-based Numbers. Version 3 | 5951 | 170 | ||||
| 1073 | Square Country | USU Personal Contest 2001 | 5337 | 170 | |||
| 1656 | Far Away Kingdom's Army | NEERC 2008 Eastern Subregional | 1272 | 172 | |||
| 1017 | Staircases | USU Local Contest. 1999 | 5858 | 173 | |||
| 1210 | Kind Spirits | Autumn School Contest 2002 | 1947 | 174 | |||
| 1874 | Football Goal | Ural Regional School Programming Contest 2011 | 596 | 175 | |||
| 1709 | Penguin-Avia | Ural Championship 2009 | 1138 | 177 | |||
| 1885 | Passenger Comfort | NEERC 2011 Eastern Subregional | 582 | 177 | |||
| 1048 | Superlong Sums | USU Local Contest. March 2000 | 5534 | 178 | |||
| 1413 | Mars Jumper | USU Championship 2005 | 1990 | 179 | |||
| 1640 | Circle of Winter | Autumn School Contest 2008 | 1225 | 179 | |||
| 1164 | Fillword | NEERC 2001 Northern Subregional | 1829 | 181 | |||
| 1645 | Ski Race | Autumn School Contest 2008 | 1214 | 181 | |||
| 1193 | Queue at the Exam | Spring School Contest 2002 | 1802 | 185 | |||
| 1134 | Cards | NEERC 2001 Central Subregional | 1756 | 188 | |||
| 1167 | Bicolored Horses | Romanian Online Contest December 2001 | 1757 | 188 | |||
| 1335 | White Thesis | Autumn School Contest 2004 | 1880 | 188 | |||
| 1680 | The First Nonqualifying | USU Personal Contest 2009 | 1088 | 189 | |||
| 1922 | Superhero Team | Ural Regional School Programming Contest 2012 | 356 | 189 | |||
| 1306 | Sequence Median | Ural Championship 1998 | 1836 | 190 | |||
| 1102 | Strange Dialog | Tetrahedron Team Online Contest May 2001 | 1685 | 193 | |||
| 1138 | Integer Percentage | NEERC 2001 Central Subregional | 1703 | 194 | |||
| 1208 | Legendary Teams Contest | USU Local Contest. March 2002 | 1706 | 195 | |||
| 1889 | Airport Announcements | NEERC 2011 Eastern Subregional | 524 | 196 | |||
| 1354 | Palindrome. Again Palindrome | Spring School Contest 2005 | 1809 | 197 | |||
| 1023 | Buttons | Autumn School Contest 2000 | 5103 | 198 | |||
| 1280 | Topological Sorting | NEERC 2003 Central Subregional | 1748 | 198 | |||
| 1114 | Boxes | Bulgarian Online Contest September 2001 | 1653 | 199 | |||
| 1737 | Mnemonics and Palindromes 3 | USU Championship 2009 | 889 | 200 | |||
| 1112 | Cover | Bulgarian Online Contest September 2001 | 1629 | 202 | |||
| 1930 | Ivan's Car | Ural Regional School Programming Contest 2012 | 333 | 202 | |||
| 1207 | Median on the Plane | USU Local Contest. March 2002 | 1621 | 205 | |||
| 1133 | Fibonacci Sequence | NEERC 2001 Central Subregional | 1602 | 206 | |||
| 1272 | Non-Yekaterinburg Subway | USU Championship 2003 | 1676 | 207 | |||
| 1249 | Ancient Necropolis | USU Local Contest. March 2003 | 1637 | 208 | |||
| 1002 | Phone Numbers | Central European Olympiad in Informatics 1999 | 4815 | 211 | |||
| 1929 | Teddybears are not for Everyone | Ural Regional School Programming Contest 2012 | 319 | 211 | |||
| 1200 | Horns and Hoofs | USU Local Contest. March 2002 | 1570 | 212 | |||
| 1586 | Threeprime Numbers | NEERC 2007 Eastern Subregional | 1226 | 214 | |||
| 1795 | Husband in a Shop | Ural Regional School Programming Contest 2010 | 657 | 215 | |||
| 1826 | Minefield | USU Personal Contest 2011 | 582 | 215 | |||
| 1613 | For Fans of Statistics | Ural Championship 2008 | 1126 | 216 | |||
| 1515 | Cashmaster | Timus Top Coders: Third Challenge | 1387 | 217 | |||
| 1011 | Conductors | USU Championship 1997 | 4657 | 218 | |||
| 1348 | Goat in the Garden 2 | Spring School Contest 2005 | 1622 | 219 | |||
| 1052 | Rabbit Hunt | USU Local Contest. March 2000 | 4483 | 220 | |||
| 1125 | Hopscotch | USU Championship 2001 | 1482 | 222 | |||
| 1944 | Record of the Attack at the Orbit | Ural FU Personal Contest 2012 | 400 | 223 | |||
| 1423 | String Tale | Timus Top Coders: First Challenge | 1524 | 224 | |||
| 1024 | Permutations | Autumn School Contest 2000 | 4481 | 225 | |||
| 1823 | Ideal Gas | USU Personal Contest 2011 | 554 | 226 | |||
| 1033 | Labyrinth | Ural Championship 1999 | 4427 | 227 | |||
| 1779 | The Great Team | Ural SU Championship 2010 | 623 | 227 | |||
| 1491 | Unreal Story | Autumn School Contest 2006 | 1353 | 229 | |||
| 1490 | Fire Circle | Autumn School Contest 2006 | 1335 | 232 | |||
| 1049 | Brave Balloonists | USU Local Contest. March 2000 | 4215 | 234 | |||
| 1150 | Page Numbers | Ural Championship 2001. Round 2 | 1411 | 234 | |||
| 1671 | Anansi's Cobweb | Petrozavodsk Summer 2008. USU Contest | 901 | 234 | |||
| 1904 | The Lessons of the Past | Ural Championship 2012 | 292 | 234 | |||
| 1122 | Game | Autumn School Contest 2001 | 1398 | 235 | |||
| 1718 | Rejudge | NEERC 2009 Eastern Subregional | 767 | 235 | |||
| 1191 | Catch the thief! | Spring School Contest 2002 | 1401 | 237 | |||
| 1846 | GCD 2010 | Petrozavodsk Summer 2010. USU Contest | 443 | 240 | |||
| 1247 | Check a Sequence | USU Personal Contest 2003 | 1412 | 241 | |||
| 1603 | Erudite | USU Personal Contest 2008 | 1025 | 241 | |||
| 1933 | Guns for Battle! | Ural FU Championship 2012 | 273 | 242 | |||
| 1113 | Jeep | Bulgarian Online Contest September 2001 | 1341 | 245 | |||
| 1010 | Discrete Function | USTU PhysTech Cup 2000 | 4122 | 246 | |||
| 1108 | Heritage | Bulgarian Online Contest September 2001 | 1335 | 246 | |||
| 1152 | False Mirrors | Ural Championship 2001. Round 2 | 1340 | 246 | |||
| 1333 | Genie Bomber 2 | Autumn School Contest 2004 | 1422 | 248 | |||
| 1385 | Interesting Number | Petrozavodsk Summer 2005. Moscow+Ural Contest | 1444 | 248 | |||
| 1433 | Diamonds | USU Personal Contest 2006 | 1358 | 250 | |||
| 1726 | Visits | Ural Regional School Programming Contest 2009 | 714 | 251 | |||
| 1183 | Brackets Sequence | NEERC 2001 | 1318 | 252 | |||
| 1116 | Piecewise Constant Function | Autumn School Contest 2001 | 1288 | 255 | |||
| 1298 | Knight | Spring School Contest 2004 | 1365 | 255 | |||
| 1204 | Idempotents | USU Local Contest. March 2002 | 1298 | 256 | |||
| 1355 | Bald Spot Revisited | Spring School Contest 2005 | 1370 | 260 | |||
| 1047 | Simple Calculations | USU Local Contest. March 2000 | 3777 | 261 | |||
| 1635 | Mnemonics and Palindromes | USU Championship 2008 | 844 | 261 | |||
| 1081 | Binary Lexicographic Sequence | Winter Mathematical Festival Varna 2001 | 3424 | 263 | |||
| 1087 | The Time to Take Stones | Spring School Contest 2001 | 3389 | 263 | |||
| 1528 | Sequence | Petrozavodsk Winter 2007. D.Gozman Contest | 1108 | 264 | |||
| 1179 | Numbers in Text | USU Personal Contest 2002 | 1253 | 265 | |||
| 1242 | Werewolf | USU Personal Contest 2003 | 1286 | 265 | |||
| 1195 | Ouths and Crosses | Spring School Contest 2002 | 1248 | 266 | |||
| 1255 | Graveyard of the Cosa Nostra | USU Local Contest. March 2003 | 1282 | 266 | |||
| 1080 | Map Coloring | Winter Mathematical Festival Varna 2001 | 3326 | 270 | |||
| 1804 | The Machinegunners in a Playoff | NEERC 2010 Eastern Subregional | 512 | 271 | |||
| 1205 | By the Underground or by Foot? | USU Local Contest. March 2002 | 1220 | 272 | |||
| 1053 | Pinocchio | NEERC 2000 Central Subregional | 3595 | 274 | |||
| 1201 | Which Day Is It? | USU Local Contest. March 2002 | 1198 | 277 | |||
| 1537 | Ents | USU Personal Contest 2007 | 1050 | 277 | |||
| 1028 | Stars | Ural Championship 1999 | 3574 | 282 | |||
| 1032 | Find a Multiple | Ural Championship 1999 | 3113 | 283 | |||
| 1109 | Conference | Bulgarian Online Contest September 2001 | 1154 | 284 | |||
| 1211 | Collective Guarantee | Autumn School Contest 2002 | 1187 | 284 | |||
| 1117 | Hierarchy | Autumn School Contest 2001 | 1149 | 286 | |||
| 1497 | Cutting a Square | Autumn School Contest 2006 | 1080 | 286 | |||
| 1684 | Jack's Last Word | USU Personal Contest 2009 | 715 | 286 | |||
| 1184 | Cable Master | NEERC 2001 | 1145 | 290 | |||
| 1220 | Stacks | USU Championship 2002 | 1162 | 290 | |||
| 1793 | Tray 2 | Ural Regional School Programming Contest 2010 | 483 | 290 | |||
| 1551 | Sumo Tournament | Ural Championship 2007 | 971 | 293 | |||
| 1901 | Space Elevators | Ural Championship 2012 | 231 | 293 | |||
| 1377 | Lara Croft | Ural Championship 2005. Round 1 | 1216 | 294 | |||
| 1923 | Scary Politics | Ural Regional School Programming Contest 2012 | 223 | 297 | |||
| 1692 | Flags for Provinces | Petrozavodsk Winter 2009. USU Contest | 680 | 298 | |||
| 1303 | Minimal Coverage | Ural Championship 1998 | 1163 | 300 | |||
| 1741 | Communication Fiend | USU Championship 2009 | 591 | 300 | |||
| 1828 | Approximation by a Progression | USU Personal Contest 2011 | 414 | 300 | |||
| 1753 | Bookshelf | USU Personal Contest 2010 | 539 | 302 | |||
| 1854 | Negotiations with Parthians | Petrozavodsk Summer 2011. USU Contest | 347 | 303 | |||
| 1494 | Monobilliards | Autumn School Contest 2006 | 1015 | 304 | |||
| 1127 | Colored Bricks | USU Championship 2001 | 1074 | 306 | |||
| 1121 | Branches | Autumn School Contest 2001 | 1069 | 307 | |||
| 1018 | Binary Apple Tree | USU Local Contest. 1999 | 3273 | 309 | |||
| 1008 | Image Encoding | USTU PhysTech Cup 2000 | 3239 | 313 | |||
| 1215 | Exactness of Projectile Hit | Autumn School Contest 2002 | 1068 | 315 | |||
| 1658 | Sum of Digits | NEERC 2008 Eastern Subregional | 692 | 315 | |||
| 1036 | Lucky Tickets | 3189 | 316 | ||||
| 1748 | The Most Complex Number | Petrozavodsk Summer 2009. Ufa SATU Contest | 532 | 316 | |||
| 1648 | Yachts | Autumn School Contest 2008 | 685 | 319 | |||
| 1783 | Nuclear Arms Race | Ural SU Championship 2010 | 441 | 319 | |||
| 1590 | Bacon’s Cipher | NEERC 2007 Eastern Subregional | 817 | 320 | |||
| 1153 | Supercomputer | Ural Championship 2001. Round 2 | 1025 | 321 | |||
| 1190 | Bar of Chocolate | Spring School Contest 2002 | 1030 | 322 | |||
| 1759 | Long-Livers | USU Personal Contest 2010 | 504 | 323 | |||
| 1302 | Delta-wave | Ural Championship 1998 | 1074 | 324 | |||
| 1060 | Flip Game | NEERC 2000 | 2854 | 327 | |||
| 1920 | Titan Ruins: the Infinite Power of Magic | NEERC 2012 Eastern Subregional | 204 | 327 | |||
| 1294 | Mars Satellites | Spring School Contest 2004 | 1062 | 328 | |||
| 1588 | Jamaica | NEERC 2007 Eastern Subregional | 795 | 329 | |||
| 1124 | Mosaic | USU Championship 2001 | 995 | 330 | |||
| 1244 | Gentlemen | USU Personal Contest 2003 | 1027 | 331 | |||
| 1501 | Sense of Beauty | NEERC 2006 Eastern Subregional | 925 | 331 | |||
| 1631 | Drunk King 2 | USU Championship 2008 | 663 | 332 | |||
| 1029 | Ministry | Ural Championship 1999 | 2636 | 334 | |||
| 1604 | Country of Fools | USU Personal Contest 2008 | 737 | 334 | |||
| 1742 | Team building | Petrozavodsk Summer 2009. Ufa SATU Contest | 502 | 334 | |||
| 1406 | Next Number | Autumn School Contest 2005 | 1056 | 338 | |||
| 1483 | Table Football | USU Championship 2006 | 913 | 339 | |||
| 1262 | Pseudo-Roman Number | Autumn School Contest 2003 | 1007 | 342 | |||
| 1888 | Pilot Work Experience | NEERC 2011 Eastern Subregional | 295 | 343 | |||
| 1004 | Sightseeing Trip | Central European Olympiad in Informatics 1999 | 2948 | 344 | |||
| 1031 | Railway Tickets | Ural Championship 1999 | 2913 | 345 | |||
| 1140 | Swamp Incident | NEERC 2001 Central Subregional | 952 | 345 | |||
| 1007 | Code Words | USU Championship 1997 | 2893 | 350 | |||
| 1774 | Barber of the Army of Mages | Ural SU Championship 2010 | 398 | 353 | |||
| 1055 | Combinations | NEERC 2000 Central Subregional | 2770 | 355 | |||
| 1227 | Rally Championship | NEERC 2002 Central Subregional | 948 | 355 | |||
| 1471 | Tree | Petrozavodsk Summer 2006. Ural+Orel Contest | 875 | 355 | |||
| 1185 | Wall | NEERC 2001 | 927 | 357 | |||
| 1218 | Episode N-th: The Jedi Tournament | USU Championship 2002 | 937 | 359 | |||
| 1292 | Mars Space Stations | Spring School Contest 2004 | 965 | 360 | |||
| 1934 | Black Spot | Ural FU Championship 2012 | 179 | 363 | |||
| 1431 | Diplomas | USU Personal Contest 2006 | 927 | 365 | |||
| 1282 | Game Tree | NEERC 2003 Central Subregional | 941 | 367 | |||
| 1090 | In the Army Now | USU Local Contest. March 2001 | 2302 | 368 | |||
| 1156 | Two Rounds | Ural Championship 2001. Round 2 | 889 | 370 | |||
| 1562 | GM-pineapple | USU Championship 2007 | 711 | 370 | |||
| 1574 | Mathematicians and brackets | Autumn School Contest 2007 | 707 | 371 | |||
| 1665 | Dean's Financial Pyramid | Petrozavodsk Winter 2008. USU Contest | 568 | 372 | |||
| 1941 | Scary Martian Word | Ural FU Personal Contest 2012 | 235 | 374 | |||
| 1403 | Courier | Autumn School Contest 2005 | 952 | 375 | |||
| 1015 | Test the Difference! | USU Local Contest. 1999 | 2683 | 376 | |||
| 1137 | Bus Routes | NEERC 2001 Central Subregional | 873 | 376 | |||
| 1470 | UFOs | Petrozavodsk Summer 2006. Ural+Orel Contest | 825 | 376 | |||
| 1651 | Shortest Subchain | NEERC 2008 Eastern Subregional | 577 | 376 | |||
| 1115 | Ships | Bulgarian Online Contest September 2001 | 865 | 378 | |||
| 1259 | How to Become Star? | Autumn School Contest 2003 | 910 | 378 | |||
| 1261 | Tips | Autumn School Contest 2003 | 910 | 378 | |||
| 1094 | E-screen | USU Local Contest. March 2001 | 2236 | 379 | |||
| 1229 | Strong Brickwork | NEERC 2002 Central Subregional | 889 | 379 | |||
| 1246 | Tethered Dog | USU Personal Contest 2003 | 889 | 382 | |||
| 1279 | Warehouse | NEERC 2003 Central Subregional | 901 | 383 | |||
| 1217 | Unlucky Tickets | USU Championship 2002 | 875 | 384 | |||
| 1860 | Fiborial | Petrozavodsk Summer 2011. USU Contest | 272 | 384 | |||
| 1571 | Interpreters | USU Championship 2007 | 683 | 385 | |||
| 1223 | Chernobyl’ Eagle on a Roof | USU Championship 2002 | 871 | 386 | |||
| 1039 | Anniversary Party | USU Championship 2000 | 2568 | 388 | |||
| 1038 | Spell Checker | USU Championship 2000 | 2559 | 389 | |||
| 1078 | Segments | Winter Mathematical Festival Varna 2001 | 2302 | 390 | |||
| 1320 | Graph Decomposition | Ural Championship 2004. Round 2 | 893 | 390 | |||
| 1480 | Coupons | USU Championship 2006 | 792 | 390 | |||
| 1489 | Points on a Parallelepiped | Autumn School Contest 2006 | 781 | 394 | |||
| 1107 | Warehouse Problem | Tetrahedron Team Online Contest May 2001 | 818 | 396 | |||
| 1003 | Parity | Central European Olympiad in Informatics 1999 | 2556 | 397 | |||
| 1346 | Intervals of Monotonicity | USU Championship 2004 | 889 | 398 | |||
| 1407 | One-two, One-two | Autumn School Contest 2005 | 896 | 398 | |||
| 1450 | Russian Pipelines | Timus Top Coders: Second Challenge | 831 | 398 | |||
| 1602 | Elevator | USU Personal Contest 2008 | 617 | 398 | |||
| 1289 | One Way Ticket | USU Personal Contest 2004 | 868 | 400 | |||
| 1700 | Awakening | Ural Championship 2009 | 495 | 403 | |||
| 1176 | Hyperchannels | USU Personal Contest 2002 | 817 | 404 | |||
| 1891 | Language Ocean | NEERC 2011 Eastern Subregional | 249 | 404 | |||
| 1089 | Verification with a Vocabulary | Spring School Contest 2001 | 2200 | 405 | |||
| 1728 | Curse on Team.GOV | Ural Regional School Programming Contest 2009 | 439 | 405 | |||
| 1928 | Another Ecology Problem | Ural Regional School Programming Contest 2012 | 161 | 405 | |||
| 1111 | Squares | Bulgarian Online Contest September 2001 | 800 | 408 | |||
| 1160 | Network | NEERC 2001 Northern Subregional | 826 | 408 | |||
| 1202 | Rectangles Travel | USU Local Contest. March 2002 | 807 | 410 | |||
| 1732 | Ministry of Truth | USU Championship 2009 | 430 | 410 | |||
| 1871 | Seismic Waves | Ural FU Championship 2011 | 249 | 412 | |||
| 1181 | Cutting a Painted Polygon | USU Personal Contest 2002 | 791 | 417 | |||
| 1838 | Samurai's Stroke | Ural Championship 2011 | 285 | 417 | |||
| 1141 | RSA Attack | 784 | 418 | ||||
| 1507 | Difficult Decision | NEERC 2006 Eastern Subregional | 728 | 420 | |||
| 1809 | Chapaev and Potatoes | NEERC 2010 Eastern Subregional | 327 | 420 | |||
| 1356 | Something Easier | Spring School Contest 2005 | 839 | 422 | |||
| 1051 | Simple Game on a Grid | USU Local Contest. March 2000 | 2310 | 426 | |||
| 1729 | Dead Man's Chest | Ural Regional School Programming Contest 2009 | 415 | 428 | |||
| 1641 | Duties | Autumn School Contest 2008 | 504 | 431 | |||
| 1287 | Mars Canals | USU Personal Contest 2004 | 803 | 432 | |||
| 1521 | War Games 2 | Timus Top Coders: Third Challenge | 693 | 432 | |||
| 1427 | SMS | Timus Top Coders: First Challenge | 785 | 433 | |||
| 1128 | Partition into Groups | USU Championship 2001 | 754 | 434 | |||
| 1077 | Travelling Tours | 750 | 436 | ||||
| 1291 | Gear-wheels | Spring School Contest 2004 | 796 | 436 | |||
| 1019 | Line Painting | USU Local Contest. 1999 | 2297 | 439 | |||
| 1189 | Pairs of Integers | NEERC 2001 | 745 | 443 | |||
| 1350 | Canteen | Spring School Contest 2005 | 796 | 444 | |||
| 1517 | Freedom of Choice | Timus Top Coders: Third Challenge | 667 | 448 | |||
| 1535 | The Hobbit or There and Back Again | USU Personal Contest 2007 | 642 | 451 | |||
| 1129 | Door Painting | USU Championship 2001 | 723 | 452 | |||
| 1221 | Malevich Strikes Back! | USU Championship 2002 | 742 | 452 | |||
| 1776 | Anniversary Firework | Ural SU Championship 2010 | 307 | 454 | |||
| 1258 | Pool | Autumn School Contest 2003 | 755 | 455 | |||
| 1513 | Lemon Tale | Timus Top Coders: Third Challenge | 657 | 455 | |||
| 1892 | Morning in Koltsovo | NEERC 2011 Eastern Subregional | 220 | 455 | |||
| 1252 | Sorting the Tombstones | USU Local Contest. March 2003 | 741 | 457 | |||
| 1890 | Money out of Thin Air | NEERC 2011 Eastern Subregional | 219 | 457 | |||
| 1072 | Routing | USU Personal Contest 2001 | 1954 | 464 | |||
| 1870 | Zinium 2 | Ural FU Championship 2011 | 219 | 467 | |||
| 1066 | Garland | NEERC 2000 | 1989 | 468 | |||
| 1095 | Nikifor 3 | USU Local Contest. March 2001 | 1806 | 468 | |||
| 1098 | Questions | 1728 | 468 | ||||
| 1754 | Explosion in a Pyramid | USU Personal Contest 2010 | 345 | 468 | |||
| 1884 | Way to the University | Ural Regional School Programming Contest 2011 | 217 | 468 | |||
| 1236 | Decoding Task | NEERC 2002 | 717 | 469 | |||
| 1145 | Rope in the Labyrinth | DSAP Vietnam Online Contest November 2001 | 696 | 470 | |||
| 1428 | Jedi Riddle | Timus Top Coders: First Challenge | 714 | 475 | |||
| 1523 | K-inversions | Petrozavodsk Winter 2007. D.Gozman Contest | 612 | 475 | |||
| 1091 | Tmutarakan Exams | USU Local Contest. March 2001 | 1777 | 476 | |||
| 1866 | Poetic Foot | Ural FU Championship 2011 | 214 | 477 | |||
| 1495 | One-two, One-two 2 | Autumn School Contest 2006 | 638 | 481 | |||
| 1579 | Coat Transportation | Autumn School Contest 2007 | 540 | 484 | |||
| 1822 | Hugo II's War | USU Personal Contest 2011 | 253 | 484 | |||
| 1628 | White Streaks | USU Championship 2008 | 447 | 489 | |||
| 1212 | Battleship | Autumn School Contest 2002 | 684 | 490 | |||
| 1803 | The Czechs' Rifles | NEERC 2010 Eastern Subregional | 279 | 490 | |||
| 1410 | Crack | USU Championship 2005 | 720 | 491 | |||
| 1525 | Path | Petrozavodsk Winter 2007. D.Gozman Contest | 591 | 492 | |||
| 1918 | Titan Ruins: Artful Manipulations | NEERC 2012 Eastern Subregional | 132 | 493 | |||
| 1643 | Attack of the Dark Fortress | Autumn School Contest 2008 | 439 | 494 | |||
| 1273 | Tie | USU Championship 2003 | 692 | 496 | |||
| 1900 | Brainwashing Device | Ural Championship 2012 | 132 | 497 | |||
| 1401 | Gamers | Autumn School Contest 2005 | 713 | 499 | |||
| 1752 | Tree 2 | Petrozavodsk Summer 2009. Ufa SATU Contest | 333 | 499 | |||
| 1767 | The House of Doctor Dee | Ural Championship 2010 | 316 | 500 | |||
| 1942 | Attack at the Orbit | Ural FU Personal Contest 2012 | 173 | 501 | |||
| 1103 | Pencils and Circles | Tetrahedron Team Online Contest May 2001 | 642 | 503 | |||
| 1155 | Troubleduons | Ural Championship 2001. Round 2 | 650 | 504 | |||
| 1939 | First Seal | Ural FU Championship 2012 | 126 | 504 | |||
| 1162 | Currency Exchange | NEERC 2001 Northern Subregional | 648 | 505 | |||
| 1721 | Two Sides of the Same Coin | NEERC 2009 Eastern Subregional | 351 | 506 | |||
| 1519 | Formula 1 | Timus Top Coders: Third Challenge | 589 | 507 | |||
| 1056 | Computer Net | NEERC 2000 Central Subregional | 1929 | 509 | |||
| 1182 | Team Them Up! | NEERC 2001 | 648 | 509 | |||
| 1416 | Confidential | USU Championship 2005 | 693 | 510 | |||
| 1806 | Mobile Telegraphs | NEERC 2010 Eastern Subregional | 268 | 510 | |||
| 1343 | Fairy Tale | USU Championship 2004 | 688 | 512 | |||
| 1926 | The Tournament of Intelligences | Ural Regional School Programming Contest 2012 | 125 | 513 | |||
| 1322 | Spy | Ural Championship 2004. Round 2 | 674 | 514 | |||
| 1903 | Unidentified Ships | Ural Championship 2012 | 127 | 515 | |||
| 1861 | Graveyard in Deyja | Petrozavodsk Summer 2011. USU Contest | 199 | 518 | |||
| 1143 | Electric Path | DSAP Vietnam Online Contest November 2001 | 630 | 519 | |||
| 1069 | Prufer Code | USU Personal Contest 2001 | 1739 | 521 | |||
| 1334 | Checkers | Autumn School Contest 2004 | 672 | 521 | |||
| 1366 | Presents | Ural Championship 2005. Round 2 | 678 | 521 | |||
| 1064 | Binary Search | NEERC 2000 | 1781 | 523 | |||
| 1605 | Devil's Sequence | USU Personal Contest 2008 | 467 | 523 | |||
| 1710 | Boris, You Are Wrong! | Ural Championship 2009 | 378 | 524 | |||
| 1101 | Robot in the Field | Tetrahedron Team Online Contest May 2001 | 613 | 526 | |||
| 1027 | D++ Again | Autumn School Contest 2000 | 1896 | 531 | |||
| 1061 | Buffer Manager | NEERC 2000 | 1744 | 534 | |||
| 1071 | Nikifor 2 | USU Personal Contest 2001 | 1692 | 535 | |||
| 1400 | Cellular Characters | Autumn School Contest 2005 | 660 | 538 | |||
| 1600 | Airport | USU Personal Contest 2008 | 453 | 539 | |||
| 1059 | Expression | NEERC 2000 Central Subregional | 1818 | 540 | |||
| 1329 | Galactic History | Autumn School Contest 2004 | 643 | 544 | |||
| 1045 | Funny Game | USU Local Contest. March 2000 | 1804 | 545 | |||
| 1158 | Censored! | NEERC 2001 Northern Subregional | 600 | 545 | |||
| 1085 | Meeting | Spring School Contest 2001 | 1622 | 548 | |||
| 1832 | Arirang Show | Ural Championship 2011 | 214 | 549 | |||
| 1314 | Chase in Subway | Ural Championship 2004. Round 1 | 621 | 558 | |||
| 1430 | Crime and Punishment | Timus Top Coders: First Challenge | 607 | 558 | |||
| 1659 | Regular Triangles | NEERC 2008 Eastern Subregional | 386 | 558 | |||
| 1238 | Folding | NEERC 2002 | 601 | 559 | |||
| 1550 | Dean's Pyramid 3 | Ural Championship 2007 | 505 | 559 | |||
| 1701 | Ostap and Partners | Ural Championship 2009 | 353 | 560 | |||
| 1070 | Local Time | USU Personal Contest 2001 | 1614 | 561 | |||
| 1326 | Bottle Taps | Ural Championship 2004. Round 2 | 617 | 561 | |||
| 1619 | Big Brother | Petrozavodsk Winter 2008. ITMO Contest | 398 | 563 | |||
| 1698 | Square Country 5 | Petrozavodsk Winter 2009. USU Contest | 355 | 564 | |||
| 1534 | Football in Gondor | USU Personal Contest 2007 | 509 | 566 | |||
| 1650 | Billionaires | NEERC 2008 Eastern Subregional | 379 | 568 | |||
| 1448 | Lighting in Hogwarts | Ural Championship 2006 | 585 | 569 | |||
| 1445 | Christmas gifts | Ural Championship 2006 | 584 | 570 | |||
| 1592 | Chinese Watches | NEERC 2007 Eastern Subregional | 453 | 571 | |||
| 1054 | Hanoi Tower | NEERC 2000 Central Subregional | 1714 | 573 | |||
| 1682 | Crazy Professor | USU Personal Contest 2009 | 352 | 573 | |||
| 1773 | Metro to Every Home | Ural Championship 2010 | 271 | 580 | |||
| 1316 | Electronic Auction | Ural Championship 2004. Round 1 | 595 | 582 | |||
| 1554 | Multiplicative Functions | Petrozavodsk Summer 2007. NSU Contest | 452 | 582 | |||
| 1690 | Army of Mages | Petrozavodsk Winter 2009. USU Contest | 342 | 585 | |||
| 1932 | The Secret of Identifier | Ural FU Championship 2012 | 107 | 586 | |||
| 1351 | Good Gnusmas – Dead Gnusmas | Spring School Contest 2005 | 600 | 587 | |||
| 1577 | Autumn School Contest 2007 | 442 | 589 | ||||
| 1713 | Key Substrings | NEERC 2009 Eastern Subregional | 300 | 591 | |||
| 1921 | Chaos and Order | Ural Regional School Programming Contest 2012 | 107 | 592 | |||
| 1830 | Help in the RNOS | Ural Championship 2011 | 196 | 597 | |||
| 1760 | Infernal Work | USU Personal Contest 2010 | 268 | 599 | |||
| 1912 | Titan Ruins: Passing through Walls | NEERC 2012 Eastern Subregional | 106 | 603 | |||
| 1174 | Weird Permutations | Romanian Online Contest December 2001 | 539 | 606 | |||
| 1375 | Bill Clevers | Ural Championship 2005. Round 1 | 581 | 610 | |||
| 1389 | Roadworks | Petrozavodsk Summer 2005. Moscow+Ural Contest | 580 | 611 | |||
| 1067 | Disk Tree | NEERC 2000 | 1519 | 612 | |||
| 1421 | Credit Operations | Timus Top Coders: First Challenge | 552 | 612 | |||
| 1172 | Ship Routes | Romanian Online Contest December 2001 | 531 | 615 | |||
| 1096 | Get the Right Route Plate! | USU Local Contest. March 2001 | 1371 | 616 | |||
| 1088 | Ilya Murometz | Spring School Contest 2001 | 1438 | 617 | |||
| 1414 | Astronomical Database | USU Championship 2005 | 570 | 618 | |||
| 1633 | Hippogriffs | USU Championship 2008 | 351 | 618 | |||
| 1309 | Dispute | Ural Championship 2004. Round 1 | 558 | 619 | |||
| 1606 | Slalom | USU Personal Contest 2008 | 392 | 620 | |||
| 1629 | Trip | USU Championship 2008 | 347 | 625 | |||
| 1443 | Rails | Ural Championship 2006 | 529 | 628 | |||
| 1186 | Chemical Reactions | NEERC 2001 | 521 | 630 | |||
| 1825 | Ifrit Bomber 2 | USU Personal Contest 2011 | 192 | 630 | |||
| 1076 | Trash | 1427 | 631 | ||||
| 1325 | Dirt | Ural Championship 2004. Round 2 | 548 | 631 | |||
| 1564 | Counting Ones | USU Championship 2007 | 413 | 631 | |||
| 1875 | Angry Birds | Ural Regional School Programming Contest 2011 | 158 | 632 | |||
| 1805 | Chapaev and a Cipher Grille | NEERC 2010 Eastern Subregional | 214 | 633 | |||
| 1248 | Sequence Sum | USU Personal Contest 2003 | 529 | 636 | |||
| 1439 | Battle with You-Know-Who | Ural Championship 2006 | 522 | 636 | |||
| 1872 | Spacious Office | Ural FU Championship 2011 | 158 | 636 | |||
| 1253 | Necrologues | USU Local Contest. March 2003 | 529 | 637 | |||
| 1234 | Bricks | NEERC 2002 | 522 | 641 | |||
| 1780 | Gray Code | Ural SU Championship 2010 | 214 | 642 | |||
| 1706 | Cipher Message 2 | Ural Championship 2009 | 306 | 644 | |||
| 1437 | Gasoline Station | USU Personal Contest 2006 | 518 | 648 | |||
| 1392 | Dreaming of Stars | 545 | 650 | ||||
| 1362 | Classmates 2 | Ural Championship 2005. Round 2 | 540 | 652 | |||
| 1775 | Space Bowling | Ural SU Championship 2010 | 210 | 654 | |||
| 1905 | Travel in Time | Ural Championship 2012 | 98 | 654 | |||
| 1198 | Jobbery | 540 | 655 | ||||
| 1358 | Cables | Spring School Contest 2005 | 531 | 662 | |||
| 1034 | Queens in Peaceful Positions | Ural Championship 1999 | 1504 | 666 | |||
| 1724 | Origin of Man Clarified | Ural Regional School Programming Contest 2009 | 263 | 666 | |||
| 1440 | Training Schedule | Ural Championship 2006 | 496 | 669 | |||
| 1452 | Pascal vs. C++ | Timus Top Coders: Second Challenge | 489 | 671 | |||
| 1927 | Herbs and Magic | Ural Regional School Programming Contest 2012 | 93 | 672 | |||
| 1474 | About Frogs | Petrozavodsk Summer 2006. Ural+Orel Contest | 456 | 674 | |||
| 1614 | National Project “Trams” | Ural Championship 2008 | 353 | 678 | |||
| 1646 | Godzilla Strikes Back! | Autumn School Contest 2008 | 317 | 678 | |||
| 1940 | Not So Simple Years | Ural FU Championship 2012 | 91 | 679 | |||
| 1755 | Cake | USU Personal Contest 2010 | 234 | 680 | |||
| 1332 | Genie Bomber | Autumn School Contest 2004 | 511 | 682 | |||
| 1689 | Fisherman and Barbell | USU Personal Contest 2009 | 292 | 687 | |||
| 1301 | Cube in Labyrinth | Ural Championship 1998 | 501 | 688 | |||
| 1817 | Merry-go-round | Petrozavodsk Summer 2010. Tavrida NU Contest | 181 | 692 | |||
| 1254 | Die Hard | USU Local Contest. March 2003 | 484 | 695 | |||
| 1824 | Ifrit Bomber | USU Personal Contest 2011 | 173 | 696 | |||
| 1159 | Fence | NEERC 2001 Northern Subregional | 466 | 699 | |||
| 1230 | Introspective Program | NEERC 2002 Central Subregional | 473 | 705 | |||
| 1168 | Radio Stations | Romanian Online Contest December 2001 | 461 | 706 | |||
| 1772 | Ski-Trails for Robots | Ural Championship 2010 | 220 | 708 | |||
| 1305 | Convex Hull | Ural Championship 1998 | 483 | 713 | |||
| 1587 | Flying Pig | NEERC 2007 Eastern Subregional | 359 | 717 | |||
| 1558 | Periodical Numbers | Petrozavodsk Summer 2007. NSU Contest | 364 | 718 | |||
| 1274 | Fractional Arithmetic | NEERC 2003 Central Subregional | 475 | 719 | |||
| 1016 | Cube on the Walk | USU Local Contest. 1999 | 1396 | 720 | |||
| 1235 | Cricket Field | NEERC 2002 | 463 | 721 | |||
| 1037 | Memory Management | USU Championship 2000 | 1376 | 722 | |||
| 1611 | Decimation | Ural Championship 2008 | 330 | 725 | |||
| 1883 | Ent's Birthday | Ural Regional School Programming Contest 2011 | 136 | 727 | |||
| 1405 | Goat in the Garden 5 | Autumn School Contest 2005 | 480 | 736 | |||
| 1500 | Pass Licenses | NEERC 2006 Eastern Subregional | 411 | 736 | |||
| 1286 | Starship Travel | USU Personal Contest 2004 | 461 | 745 | |||
| 1465 | Pawn Game | Petrozavodsk Winter 2006. USU Contest | 419 | 746 | |||
| 1468 | Fraction | Petrozavodsk Summer 2006. Ural+Orel Contest | 410 | 748 | |||
| 1553 | Caves and Tunnels | Petrozavodsk Summer 2007. NSU Contest | 349 | 748 | |||
| 1169 | Pairs | Romanian Online Contest December 2001 | 434 | 749 | |||
| 1512 | Zinium | Timus Top Coders: Third Challenge | 395 | 750 | |||
| 1836 | Babel Fish | Ural Championship 2011 | 154 | 750 | |||
| 1250 | Sea Burial | USU Local Contest. March 2003 | 447 | 751 | |||
| 1738 | Computer Security | USU Championship 2009 | 230 | 751 | |||
| 1371 | Cargo Agency | Ural Championship 2005. Round 1 | 468 | 754 | |||
| 1608 | Lucky Tickets 2008 | Ural Championship 2008 | 312 | 764 | |||
| 1165 | Subnumber | NEERC 2001 Northern Subregional | 425 | 765 | |||
| 1705 | Gangster Hares | Ural Championship 2009 | 256 | 765 | |||
| 1542 | Autocompletion | Ural Championship 2007 | 362 | 773 | |||
| 1042 | Central Heating | USU Championship 2000 | 1273 | 780 | |||
| 1057 | Amount of Degrees | NEERC 2000 Central Subregional | 1256 | 780 | |||
| 1857 | Alice and Bandersnatch | Petrozavodsk Summer 2011. USU Contest | 127 | 790 | |||
| 1484 | Film Rating | USU Championship 2006 | 385 | 791 | |||
| 1715 | Another Ball Killer | NEERC 2009 Eastern Subregional | 220 | 794 | |||
| 1424 | Minibus | Timus Top Coders: First Challenge | 423 | 795 | |||
| 1486 | Equal Squares | USU Championship 2006 | 383 | 795 | |||
| 1863 | Peaceful Atom | Ural FU Championship 2011 | 124 | 797 | |||
| 1105 | Observers Coloring | Tetrahedron Team Online Contest May 2001 | 401 | 798 | |||
| 1434 | Buses in Vasyuki | USU Personal Contest 2006 | 419 | 798 | |||
| 1379 | Cups Transportation | Ural Championship 2005. Round 1 | 441 | 799 | |||
| 1879 | GOV-internship 2 | Ural Regional School Programming Contest 2011 | 122 | 799 | |||
| 1030 | Titanic | Ural Championship 1999 | 1252 | 800 | |||
| 1887 | Frequent Flyer Card | NEERC 2011 Eastern Subregional | 121 | 800 | |||
| 1827 | Indigenous Wars | USU Personal Contest 2011 | 149 | 801 | |||
| 1547 | Password Search | Ural Championship 2007 | 348 | 804 | |||
| 1720 | Summit Online Judge | NEERC 2009 Eastern Subregional | 216 | 808 | |||
| 1913 | Titan Ruins: Alignment of Forces | NEERC 2012 Eastern Subregional | 76 | 813 | |||
| 1862 | Very Wealthy Mole | Ural FU Championship 2011 | 121 | 816 | |||
| 1456 | Jedi Riddle 2 | Timus Top Coders: Second Challenge | 395 | 827 | |||
| 1647 | Divide an Island! | Autumn School Contest 2008 | 258 | 827 | |||
| 1154 | Mages Contest | Ural Championship 2001. Round 2 | 391 | 829 | |||
| 1324 | Extra Spaces | Ural Championship 2004. Round 2 | 414 | 830 | |||
| 1498 | Stroke at Full Speed | Autumn School Contest 2006 | 363 | 836 | |||
| 1132 | Square Root | 385 | 840 | ||||
| 1530 | Ones and Zeroes | Petrozavodsk Winter 2007. D.Gozman Contest | 341 | 842 | |||
| 1625 | Hankel Matrix | Petrozavodsk Winter 2008. ITMO Contest | 262 | 844 | |||
| 1006 | Square Frames | USU Championship 1997 | 1193 | 845 | |||
| 1936 | Roshambo | Ural FU Championship 2012 | 71 | 847 | |||
| 1768 | Circular Strings | Ural Championship 2010 | 182 | 848 | |||
| 1907 | Coffee and Buns | Ural Championship 2012 | 73 | 851 | |||
| 1630 | Talisman | USU Championship 2008 | 252 | 852 | |||
| 1716 | Alternative Solution | NEERC 2009 Eastern Subregional | 204 | 853 | |||
| 1245 | Pictures | USU Personal Contest 2003 | 390 | 858 | |||
| 1268 | Little Chu | USU Championship 2003 | 396 | 858 | |||
| 1233 | Amusing Numbers | NEERC 2002 | 386 | 861 | |||
| 1373 | Pictura ex Machina | Ural Championship 2005. Round 1 | 408 | 862 | |||
| 1593 | Square Country. Version 2 | 233 | 865 | ||||
| 1578 | Mammoth Hunt | Autumn School Contest 2007 | 297 | 867 | |||
| 1463 | Happiness to People! | Petrozavodsk Winter 2006. USU Contest | 356 | 874 | |||
| 1269 | Obscene Words Filter | USU Championship 2003 | 388 | 875 | |||
| 1364 | LaraKiller | Ural Championship 2005. Round 2 | 397 | 881 | |||
| 1147 | Shaping Regions | DSAP Vietnam Online Contest November 2001 | 365 | 886 | |||
| 1462 | Uncle Scrooge's Gold | Petrozavodsk Winter 2006. USU Contest | 350 | 889 | |||
| 1943 | Space Rummy | Ural FU Personal Contest 2012 | 93 | 890 | |||
| 1730 | ManBearPig | Ural Regional School Programming Contest 2009 | 194 | 891 | |||
| 1278 | “… Connecting People” | NEERC 2003 Central Subregional | 379 | 896 | |||
| 1722 | Observation Deck | Ural Regional School Programming Contest 2009 | 193 | 896 | |||
| 1276 | Train | NEERC 2003 Central Subregional | 377 | 901 | |||
| 1323 | Classmates | Ural Championship 2004. Round 2 | 376 | 912 | |||
| 1175 | Strange Sequence | USU Personal Contest 2002 | 356 | 913 | |||
| 1687 | Numismatics for Fun | USU Personal Contest 2009 | 216 | 918 | |||
| 1784 | Rounders | Ural SU Championship 2010 | 146 | 922 | |||
| 1791 | Uncle Styopa and Buses | Ural Regional School Programming Contest 2010 | 145 | 924 | |||
| 1342 | Enterprise | USU Championship 2004 | 376 | 927 | |||
| 1285 | Thread in a Hyperspace | USU Personal Contest 2004 | 367 | 931 | |||
| 1237 | Evacuation Plan | NEERC 2002 | 355 | 936 | |||
| 1151 | Radiobeacons | Ural Championship 2001. Round 2 | 345 | 937 | |||
| 1679 | Scrooge's Tower | Petrozavodsk Summer 2008. USU Contest | 217 | 938 | |||
| 1937 | Davy Jones’s Organ | Ural FU Championship 2012 | 63 | 939 | |||
| 1580 | Dean's Debts | Autumn School Contest 2007 | 273 | 940 | |||
| 1743 | Domino Sorting | Petrozavodsk Summer 2009. Ufa SATU Contest | 172 | 941 | |||
| 1539 | Intelligence Data | USU Personal Contest 2007 | 300 | 948 | |||
| 1422 | Fireflies | Timus Top Coders: First Challenge | 352 | 951 | |||
| 1575 | Yekaterinburg Subway 2 | Autumn School Contest 2007 | 270 | 951 | |||
| 1761 | Binary Palindrome | USU Personal Contest 2010 | 164 | 954 | |||
| 1813 | Random Shuffler | Petrozavodsk Summer 2010. Tavrida NU Contest | 128 | 958 | |||
| 1844 | Warlord of the Army of Mages | Petrozavodsk Summer 2010. USU Contest | 103 | 963 | |||
| 1811 | Dual-SIM Phone | Petrozavodsk Summer 2010. Tavrida NU Contest | 126 | 972 | |||
| 1518 | Jedi Riddle 3 | Timus Top Coders: Third Challenge | 301 | 976 | |||
| 1696 | Salary for Robots | Petrozavodsk Winter 2009. USU Contest | 200 | 980 | |||
| 1591 | Abstract Thinking | NEERC 2007 Eastern Subregional | 259 | 983 | |||
| 1040 | Airline Company | USU Championship 2000 | 1004 | 987 | |||
| 1311 | Stable Construction | Ural Championship 2004. Round 1 | 346 | 988 | |||
| 1418 | Military Story | USU Championship 2005 | 353 | 988 | |||
| 1451 | Beerhouse Tale | Timus Top Coders: Second Challenge | 324 | 1002 | |||
| 1461 | Christmas Garland | Petrozavodsk Winter 2006. USU Contest | 309 | 1003 | |||
| 1130 | Nikifor's Walk | USU Championship 2001 | 320 | 1004 | |||
| 1435 | Financial Error | USU Personal Contest 2006 | 331 | 1004 | |||
| 1436 | Billboard | USU Personal Contest 2006 | 329 | 1010 | |||
| 1277 | Cops and Thieves | NEERC 2003 Central Subregional | 334 | 1013 | |||
| 1666 | Vasya Ferrari | Petrozavodsk Winter 2008. USU Contest | 202 | 1015 | |||
| 1075 | Thread in a Space | USU Personal Contest 2001 | 880 | 1024 | |||
| 1331 | Vladislava | Autumn School Contest 2004 | 337 | 1024 | |||
| 1790 | Searching for the Truth | Ural Regional School Programming Contest 2010 | 129 | 1030 | |||
| 1511 | Fiscal Operations | Timus Top Coders: Third Challenge | 281 | 1043 | |||
| 1570 | Eating High | USU Championship 2007 | 246 | 1043 | |||
| 1339 | Babies | USU Championship 2004 | 331 | 1049 | |||
| 1919 | Titan Ruins: Transformation of Cylinders | NEERC 2012 Eastern Subregional | 56 | 1060 | |||
| 1398 | Bishop and Pawn | 273 | 1066 | ||||
| 1948 | The Robot on the Line | Ural FU Personal Contest 2012 | 75 | 1078 | |||
| 1560 | Elementary Symmetric Functions | Petrozavodsk Summer 2007. NSU Contest | 236 | 1092 | |||
| 1341 | Device | USU Championship 2004 | 317 | 1094 | |||
| 1317 | Hail | Ural Championship 2004. Round 2 | 311 | 1096 | |||
| 1750 | Pakhom and the Gully | Petrozavodsk Summer 2009. Ufa SATU Contest | 145 | 1105 | |||
| 1569 | Networking the “Iset” | USU Championship 2007 | 231 | 1108 | |||
| 1173 | Lazy Snail | Romanian Online Contest December 2001 | 290 | 1109 | |||
| 1657 | Cube Snake | NEERC 2008 Eastern Subregional | 189 | 1110 | |||
| 1458 | War Games | Timus Top Coders: Second Challenge | 288 | 1123 | |||
| 1686 | Photovoltaic Spaceship | USU Personal Contest 2009 | 174 | 1127 | |||
| 1855 | Trade Guilds of Erathia | Petrozavodsk Summer 2011. USU Contest | 86 | 1127 | |||
| 1766 | Humpty Dumpty | Ural Championship 2010 | 133 | 1139 | |||
| 1453 | Queen | Timus Top Coders: Second Challenge | 280 | 1154 | |||
| 1908 | Brute-force Search | Ural Championship 2012 | 51 | 1157 | |||
| 1627 | Join | Petrozavodsk Winter 2008. ITMO Contest | 188 | 1159 | |||
| 1357 | Teakettle 1.0 for Dummies | Spring School Contest 2005 | 297 | 1167 | |||
| 1307 | Archiver | Ural Championship 2004. Round 1 | 291 | 1169 | |||
| 1595 | Perfect Sequence | 159 | 1172 | ||||
| 1745 | Yet Another Answer | Petrozavodsk Summer 2009. Ufa SATU Contest | 136 | 1173 | |||
| 1669 | Universal Word | Petrozavodsk Winter 2008. USU Contest | 171 | 1189 | |||
| 1035 | Cross-stitch | Ural Championship 1999 | 835 | 1192 | |||
| 1321 | Floor Indicator | Ural Championship 2004. Round 2 | 284 | 1197 | |||
| 1584 | Pharaohs’ Secrets | NEERC 2007 Eastern Subregional | 211 | 1197 | |||
| 1359 | Construction | Spring School Contest 2005 | 289 | 1198 | |||
| 1544 | Classmates 3 | Ural Championship 2007 | 229 | 1204 | |||
| 1552 | Brainfuck | Petrozavodsk Summer 2007. NSU Contest | 211 | 1216 | |||
| 1699 | Turning Turtles | Petrozavodsk Winter 2009. USU Contest | 159 | 1218 | |||
| 1408 | Polynomial Multiplication | Autumn School Contest 2005 | 285 | 1222 | |||
| 1808 | Chapaev at the Planet Ocean | NEERC 2010 Eastern Subregional | 106 | 1222 | |||
| 1444 | Elephpotamus | Ural Championship 2006 | 266 | 1226 | |||
| 1472 | Martian Army | Petrozavodsk Summer 2006. Ural+Orel Contest | 245 | 1233 | |||
| 1447 | Portkey Network | Ural Championship 2006 | 262 | 1244 | |||
| 1487 | Chinese Football | USU Championship 2006 | 241 | 1245 | |||
| 1531 | Zones on a Plane | Petrozavodsk Winter 2007. D.Gozman Contest | 225 | 1257 | |||
| 1620 | Clever House | Petrozavodsk Winter 2008. ITMO Contest | 172 | 1261 | |||
| 1386 | Maze | Petrozavodsk Summer 2005. Moscow+Ural Contest | 275 | 1265 | |||
| 1747 | Kingdom Inspection | Petrozavodsk Summer 2009. Ufa SATU Contest | 125 | 1268 | |||
| 1328 | Fireball | Autumn School Contest 2004 | 267 | 1283 | |||
| 1310 | ACM Diagnostics | Ural Championship 2004. Round 1 | 264 | 1284 | |||
| 1171 | Lost in Space | Romanian Online Contest December 2001 | 249 | 1285 | |||
| 1177 | Like Comparisons | USU Personal Contest 2002 | 250 | 1286 | |||
| 1065 | Frontier | NEERC 2000 | 718 | 1287 | |||
| 1538 | Towers of Guard | USU Personal Contest 2007 | 218 | 1289 | |||
| 1949 | The Best Picture in the Galaxy | Ural FU Personal Contest 2012 | 61 | 1290 | |||
| 1097 | Square Country 2 | USU Local Contest. March 2001 | 648 | 1292 | |||
| 1886 | Trip 2 | NEERC 2011 Eastern Subregional | 71 | 1293 | |||
| 1050 | Preparing an Article | USU Local Contest. March 2000 | 753 | 1296 | |||
| 1802 | Cube Puzzle | NEERC 2010 Eastern Subregional | 99 | 1300 | |||
| 1281 | River Basin | NEERC 2003 Central Subregional | 257 | 1305 | |||
| 1360 | Philosophical Dispute | Ural Championship 2005. Round 2 | 261 | 1324 | |||
| 1770 | The Party of Ural Champions | Ural Championship 2010 | 113 | 1324 | |||
| 1736 | Chinese Hockey | USU Championship 2009 | 126 | 1325 | |||
| 1467 | Sum of Degrees | Petrozavodsk Winter 2006. USU Contest | 230 | 1333 | |||
| 1546 | Japanese Sorting | Ural Championship 2007 | 203 | 1351 | |||
| 1499 | Kerchiefs | Autumn School Contest 2006 | 219 | 1361 | |||
| 1762 | Search for a Hiding-Place | USU Personal Contest 2010 | 112 | 1361 | |||
| 1265 | Mirror | USU Championship 2003 | 245 | 1366 | |||
| 1240 | Heroes of Might and Magic | NEERC 2002 | 239 | 1370 | |||
| 1916 | Titan Ruins: Waiting for Stability | NEERC 2012 Eastern Subregional | 41 | 1371 | |||
| 1533 | Fat Hobbits | USU Personal Contest 2007 | 204 | 1373 | |||
| 1818 | Fair Fishermen | Petrozavodsk Summer 2010. Tavrida NU Contest | 86 | 1377 | |||
| 1565 | The Duel for Three | USU Championship 2007 | 182 | 1391 | |||
| 1412 | Autumn Tide | USU Championship 2005 | 246 | 1401 | |||
| 1746 | Hyperrook | Petrozavodsk Summer 2009. Ufa SATU Contest | 112 | 1404 | |||
| 1719 | Kill the Shaitan-Boss | NEERC 2009 Eastern Subregional | 120 | 1405 | |||
| 1540 | Battle for the Ring | USU Personal Contest 2007 | 199 | 1406 | |||
| 1318 | Logarithm | Ural Championship 2004. Round 2 | 239 | 1413 | |||
| 1266 | Kirchhoff's Law | USU Championship 2003 | 235 | 1421 | |||
| 1299 | Psylonians | Spring School Contest 2004 | 237 | 1422 | |||
| 1831 | Tsyfirkin's Lesson | Ural Championship 2011 | 76 | 1430 | |||
| 1345 | HTML | USU Championship 2004 | 239 | 1437 | |||
| 1782 | Jack's New Word | Ural SU Championship 2010 | 89 | 1453 | |||
| 1527 | Bad Roads | Petrozavodsk Winter 2007. D.Gozman Contest | 193 | 1456 | |||
| 1043 | Cover an Arc | USU Championship 2000 | 668 | 1475 | |||
| 1734 | Endgame Database | USU Championship 2009 | 112 | 1477 | |||
| 1393 | Average Common Prefix | 226 | 1504 | ||||
| 1170 | Desert | Romanian Online Contest December 2001 | 211 | 1506 | |||
| 1251 | Cemetery Manager | USU Local Contest. March 2003 | 218 | 1506 | |||
| 1807 | Cartridges for Maxim | NEERC 2010 Eastern Subregional | 84 | 1507 | |||
| 1676 | Mortal Kombat | Petrozavodsk Summer 2008. USU Contest | 131 | 1510 | |||
| 1894 | Non-Flying Weather | NEERC 2011 Eastern Subregional | 59 | 1518 | |||
| 1419 | Maps of the Island Worlds | USU Championship 2005 | 225 | 1526 | |||
| 1347 | Blog | Spring School Contest 2005 | 224 | 1531 | |||
| 1241 | Inlay Cutters | NEERC 2002 | 213 | 1532 | |||
| 1099 | Work Scheduling | 492 | 1534 | ||||
| 1615 | Tram Solitaire | Ural Championship 2008 | 150 | 1537 | |||
| 1441 | From the History of Gringotts Bank | Ural Championship 2006 | 210 | 1538 | |||
| 1568 | Train Car Sorting | USU Championship 2007 | 163 | 1543 | |||
| 1670 | Asterisk | Petrozavodsk Summer 2008. USU Contest | 128 | 1543 | |||
| 1526 | Martian Plates | Petrozavodsk Winter 2007. D.Gozman Contest | 179 | 1563 | |||
| 1449 | Credit Operations 2 | Timus Top Coders: Second Challenge | 204 | 1564 | |||
| 1764 | Transsib | Ural Championship 2010 | 94 | 1566 | |||
| 1516 | Nostalgia | Timus Top Coders: Third Challenge | 183 | 1573 | |||
| 1485 | Football and Lie | USU Championship 2006 | 188 | 1579 | |||
| 1476 | Lunar Code | Petrozavodsk Summer 2006. Ural+Orel Contest | 188 | 1587 | |||
| 1337 | Bureaucracy | Autumn School Contest 2004 | 212 | 1601 | |||
| 1583 | Cheese | NEERC 2007 Eastern Subregional | 154 | 1612 | |||
| 1841 | Cableways | Petrozavodsk Summer 2010. USU Contest | 57 | 1624 | |||
| 1781 | Clean Code | Ural SU Championship 2010 | 78 | 1635 | |||
| 1816 | Troubles with Pollard | Petrozavodsk Summer 2010. Tavrida NU Contest | 70 | 1652 | |||
| 1851 | GOV-internship | Petrozavodsk Summer 2011. USU Contest | 55 | 1665 | |||
| 1508 | Japanese Puzzle | NEERC 2006 Eastern Subregional | 176 | 1666 | |||
| 1702 | Crossroad | Ural Championship 2009 | 112 | 1668 | |||
| 1849 | Rabbit Hunt 2 | Petrozavodsk Summer 2010. USU Contest | 55 | 1674 | |||
| 1749 | Periodic Sum | Petrozavodsk Summer 2009. Ufa SATU Contest | 92 | 1679 | |||
| 1420 | Integer-Valued Complex Division | USU Championship 2005 | 203 | 1683 | |||
| 1839 | The Mentaculus | Ural Championship 2011 | 63 | 1685 | |||
| 1488 | ACM Poker | USU Championship 2006 | 175 | 1690 | |||
| 1338 | Automobiles | USU Championship 2004 | 201 | 1695 | |||
| 1062 | Triathlon | NEERC 2000 | 542 | 1696 | |||
| 1867 | Nanotechnologies | Ural FU Championship 2011 | 53 | 1696 | |||
| 1492 | Vasya's Dad 2 | Autumn School Contest 2006 | 173 | 1703 | |||
| 1812 | The Island of Bad Luck 2 | Petrozavodsk Summer 2010. Tavrida NU Contest | 67 | 1717 | |||
| 1257 | Hyphenation | Autumn School Contest 2003 | 191 | 1731 | |||
| 1304 | Parallelepiped | Ural Championship 1998 | 193 | 1732 | |||
| 1046 | Geometrical Dreams | USU Local Contest. March 2000 | 556 | 1747 | |||
| 1757 | Gold Bars | USU Personal Contest 2010 | 85 | 1747 | |||
| 1634 | Spider Mite | USU Championship 2008 | 116 | 1772 | |||
| 1144 | The Emperor's Riddle | DSAP Vietnam Online Contest November 2001 | 177 | 1776 | |||
| 1387 | Vasya's Dad | Petrozavodsk Summer 2005. Moscow+Ural Contest | 192 | 1785 | |||
| 1425 | Queen 2 | Timus Top Coders: First Challenge | 179 | 1821 | |||
| 1417 | Space Poker 2 | USU Championship 2005 | 186 | 1829 | |||
| 1610 | Cactuses | Ural Championship 2008 | 124 | 1835 | |||
| 1459 | Archer's Travel | Petrozavodsk Winter 2006. USU Contest | 164 | 1839 | |||
| 1163 | Chapaev | NEERC 2001 Northern Subregional | 170 | 1848 | |||
| 1677 | Monkey at the Keyboard | Petrozavodsk Summer 2008. USU Contest | 105 | 1851 | |||
| 1187 | Statistical Trouble | NEERC 2001 | 170 | 1859 | |||
| 1216 | Two Pawns and One King | USU Championship 2002 | 173 | 1859 | |||
| 1852 | Cube in a Cube in a Cube | Petrozavodsk Summer 2011. USU Contest | 48 | 1866 | |||
| 1667 | Square Country 3 | Petrozavodsk Winter 2008. USU Contest | 104 | 1888 | |||
| 1882 | Old Nokia | Ural Regional School Programming Contest 2011 | 46 | 1895 | |||
| 1532 | Lost in Translation | USU Personal Contest 2007 | 145 | 1896 | |||
| 1707 | Hypnotoad's Secret | Ural Championship 2009 | 97 | 1901 | |||
| 1093 | Darts | USU Local Contest. March 2001 | 437 | 1903 | |||
| 1744 | The Captain's Squad | Petrozavodsk Summer 2009. Ufa SATU Contest | 80 | 1903 | |||
| 1469 | No Smoking! | Petrozavodsk Summer 2006. Ural+Orel Contest | 155 | 1905 | |||
| 1455 | Freedom of Speech | Timus Top Coders: Second Challenge | 165 | 1913 | |||
| 1522 | Factory | Petrozavodsk Winter 2007. D.Gozman Contest | 144 | 1919 | |||
| 1514 | National Park | Timus Top Coders: Third Challenge | 148 | 1922 | |||
| 1188 | Library | NEERC 2001 | 163 | 1935 | |||
| 1503 | Polynomial | NEERC 2006 Eastern Subregional | 150 | 1937 | |||
| 1378 | Artificial Intelligence | Ural Championship 2005. Round 1 | 176 | 1938 | |||
| 1850 | Space Tourism | Petrozavodsk Summer 2010. USU Contest | 46 | 1943 | |||
| 1288 | Astrolocation | USU Personal Contest 2004 | 170 | 1950 | |||
| 1231 | Turing: One, Two, Three, … | NEERC 2002 Central Subregional | 164 | 1956 | |||
| 1675 | Lunar Code 2 | Petrozavodsk Summer 2008. USU Contest | 98 | 1971 | |||
| 1382 | Game with Cards | Petrozavodsk Summer 2005. Moscow+Ural Contest | 172 | 1981 | |||
| 1232 | Asteroid Landing | NEERC 2002 Central Subregional | 161 | 1990 | |||
| 1947 | Meander | Ural FU Personal Contest 2012 | 36 | 1992 | |||
| 1843 | Cutting a Parallelepiped | Petrozavodsk Summer 2010. USU Contest | 44 | 2015 | |||
| 1396 | Maximum. Version 2 | 154 | 2026 | ||||
| 1703 | Robotic Arm | Ural Championship 2009 | 90 | 2034 | |||
| 1063 | Domino Puzzle | NEERC 2000 | 450 | 2035 | |||
| 1833 | Hopes of Rowing | Ural Championship 2011 | 50 | 2050 | |||
| 1541 | Chase | USU Personal Contest 2007 | 133 | 2055 | |||
| 1758 | Bald Spot Revisited 2 | USU Personal Contest 2010 | 70 | 2075 | |||
| 1256 | Cemetery Guard | USU Local Contest. March 2003 | 155 | 2081 | |||
| 1148 | Building Towers | DSAP Vietnam Online Contest November 2001 | 149 | 2089 | |||
| 1865 | The Island of Märket | Ural FU Championship 2011 | 41 | 2095 | |||
| 1092 | Transversal | USU Local Contest. March 2001 | 394 | 2105 | |||
| 1267 | Yekaterinburg Subway | USU Championship 2003 | 155 | 2111 | |||
| 1946 | Chinese Hockey 3 | Ural FU Personal Contest 2012 | 33 | 2131 | |||
| 1315 | MDPAR and MIIAR | Ural Championship 2004. Round 1 | 155 | 2132 | |||
| 1655 | Somali Pirates | NEERC 2008 Eastern Subregional | 93 | 2144 | |||
| 1270 | Unicube | USU Championship 2003 | 152 | 2150 | |||
| 1504 | Good Manners | NEERC 2006 Eastern Subregional | 134 | 2152 | |||
| 1829 | Routing Tables | USU Personal Contest 2011 | 49 | 2158 | |||
| 1481 | Winning Chances | USU Championship 2006 | 134 | 2171 | |||
| 1549 | Another Japanese Puzzle | Ural Championship 2007 | 122 | 2179 | |||
| 1911 | Titan Ruins: Overtaking Fire | NEERC 2012 Eastern Subregional | 22 | 2185 | |||
| 1368 | Goat in the Garden 3 | Ural Championship 2005. Round 2 | 153 | 2201 | |||
| 1859 | Last Season of Team.GOV | Petrozavodsk Summer 2011. USU Contest | 39 | 2209 | |||
| 1041 | Nikifor | USU Championship 2000 | 440 | 2223 | |||
| 1739 | Faryuks | USU Championship 2009 | 71 | 2225 | |||
| 1074 | Very Short Problem | USU Personal Contest 2001 | 399 | 2228 | |||
| 1895 | Steaks on Board | NEERC 2011 Eastern Subregional | 37 | 2229 | |||
| 1652 | Banking Crisis | NEERC 2008 Eastern Subregional | 89 | 2231 | |||
| 1284 | Space Poker | USU Personal Contest 2004 | 147 | 2235 | |||
| 1673 | Admission to Exam | Petrozavodsk Summer 2008. USU Contest | 85 | 2241 | |||
| 1543 | Dance Revolution | Ural Championship 2007 | 118 | 2248 | |||
| 1361 | Spaceology vs. Chronistics | Ural Championship 2005. Round 2 | 149 | 2256 | |||
| 1557 | Network Attack | Petrozavodsk Summer 2007. NSU Contest | 108 | 2277 | |||
| 1704 | Demodulation | Ural Championship 2009 | 79 | 2286 | |||
| 1814 | Continued Fraction | Petrozavodsk Summer 2010. Tavrida NU Contest | 47 | 2319 | |||
| 1275 | Knights of the Round Table | NEERC 2003 Central Subregional | 138 | 2355 | |||
| 1938 | Caribbean Triangle | Ural FU Championship 2012 | 19 | 2364 | |||
| 1914 | Titan Ruins: Serial Control | NEERC 2012 Eastern Subregional | 19 | 2411 | |||
| 1397 | Points Game | 120 | 2419 | ||||
| 1609 | Tram Tile | Ural Championship 2008 | 91 | 2435 | |||
| 1714 | Mnemonics and Palindromes 2 | NEERC 2009 Eastern Subregional | 65 | 2435 | |||
| 1300 | Taxes | Ural Championship 1998 | 134 | 2441 | |||
| 1308 | Dean's Pyramid | Ural Championship 2004. Round 1 | 134 | 2443 | |||
| 1735 | Theft of the Century | USU Championship 2009 | 63 | 2469 | |||
| 1845 | Integer-valued Complex Determinant | Petrozavodsk Summer 2010. USU Contest | 34 | 2473 | |||
| 1950 | Martian Farmlands | Ural FU Personal Contest 2012 | 27 | 2476 | |||
| 1454 | Rectangles 2 | Timus Top Coders: Second Challenge | 124 | 2498 | |||
| 1561 | Winnie the Pooh | Petrozavodsk Summer 2007. NSU Contest | 95 | 2559 | |||
| 1663 | The Hobbit or There and Back Again 2 | Petrozavodsk Winter 2008. USU Contest | 73 | 2594 | |||
| 1312 | Tray | Ural Championship 2004. Round 1 | 123 | 2645 | |||
| 1239 | Ghost Busters | NEERC 2002 | 118 | 2665 | |||
| 1835 | Swamp Doctor | Ural Championship 2011 | 36 | 2674 | |||
| 1637 | Triangle Game 2 | USU Championship 2008 | 73 | 2690 | |||
| 1810 | Antiequations | Petrozavodsk Summer 2010. Tavrida NU Contest | 39 | 2698 | |||
| 1694 | Killer Words | Petrozavodsk Winter 2009. USU Contest | 66 | 2708 | |||
| 1664 | Pipeline Transportation | Petrozavodsk Winter 2008. USU Contest | 69 | 2725 | |||
| 1681 | Brother Bear's Garden | USU Personal Contest 2009 | 66 | 2728 | |||
| 1751 | Improbability Theory | Petrozavodsk Summer 2009. Ufa SATU Contest | 52 | 2762 | |||
| 1717 | Eligibility Rules | NEERC 2009 Eastern Subregional | 56 | 2767 | |||
| 1566 | Triangular Postcards | USU Championship 2007 | 85 | 2811 | |||
| 1858 | Magic Cube | Petrozavodsk Summer 2011. USU Contest | 28 | 2848 | |||
| 1834 | Tennis Racket | Ural Championship 2011 | 33 | 2861 | |||
| 1520 | Empire Strikes Back | Timus Top Coders: Third Challenge | 96 | 2864 | |||
| 1482 | Triangle Game | USU Championship 2006 | 99 | 2868 | |||
| 1505 | Oil Transfer | NEERC 2006 Eastern Subregional | 98 | 2869 | |||
| 1411 | 40 Islands Knights | USU Championship 2005 | 114 | 2892 | |||
| 1623 | Fractal Labyrinth | Petrozavodsk Winter 2008. ITMO Contest | 69 | 2906 | |||
| 1856 | War and Peace | Petrozavodsk Summer 2011. USU Contest | 27 | 2925 | |||
| 1367 | Top Secret | Ural Championship 2005. Round 2 | 112 | 2941 | |||
| 1442 | Floo Powder | Ural Championship 2006 | 105 | 2942 | |||
| 1945 | Many-armed Brothers | Ural FU Personal Contest 2012 | 21 | 2955 | |||
| 1815 | Farm in San Andreas | Petrozavodsk Summer 2010. Tavrida NU Contest | 34 | 3005 | |||
| 1616 | Square Country 4 | Ural Championship 2008 | 71 | 3036 | |||
| 1622 | Endspiel | Petrozavodsk Winter 2008. ITMO Contest | 65 | 3061 | |||
| 1695 | Work for Robots | Petrozavodsk Winter 2009. USU Contest | 57 | 3072 | |||
| 1847 | Zamkadye | Petrozavodsk Summer 2010. USU Contest | 25 | 3109 | |||
| 1477 | Airplanes | Petrozavodsk Summer 2006. Ural+Orel Contest | 91 | 3112 | |||
| 1691 | Algorithm Complexity | Petrozavodsk Winter 2009. USU Contest | 56 | 3118 | |||
| 1395 | Pascal vs. C++. Version 2 | 93 | 3242 | ||||
| 1632 | Lasers | USU Championship 2008 | 58 | 3283 | |||
| 1166 | Funny Card Game | NEERC 2001 Northern Subregional | 95 | 3315 | |||
| 1438 | Time Limit Exceeded | USU Personal Contest 2006 | 93 | 3323 | |||
| 1429 | Biscuits | Timus Top Coders: First Challenge | 93 | 3341 | |||
| 1909 | Space Recon | Ural Championship 2012 | 11 | 3362 | |||
| 1559 | TruCoders Linguistics | Petrozavodsk Summer 2007. NSU Contest | 69 | 3401 | |||
| 1797 | Summit Online Judge. Version 2 | 11 | 3449 | ||||
| 1466 | Magic Square | Petrozavodsk Winter 2006. USU Contest | 82 | 3477 | |||
| 1509 | Domino Recognition | NEERC 2006 Eastern Subregional | 78 | 3522 | |||
| 1906 | The Lost Civilization | Ural Championship 2012 | 10 | 3529 | |||
| 1733 | Forgotten Technology | USU Championship 2009 | 39 | 3677 | |||
| 1778 | Chinese Hockey 2 | Ural SU Championship 2010 | 29 | 3689 | |||
| 1765 | Error 404 | Ural Championship 2010 | 34 | 3702 | |||
| 1381 | Cockroaches in the Building | Petrozavodsk Summer 2005. Moscow+Ural Contest | 87 | 3717 | |||
| 1058 | Chocolate | NEERC 2000 Central Subregional | 251 | 3774 | |||
| 1199 | Mouse | 69 | 3817 | ||||
| 1801 | The Revolution Cup | NEERC 2010 Eastern Subregional | 25 | 4049 | |||
| 1763 | Expert Flea | Ural Championship 2010 | 30 | 4073 | |||
| 1771 | A Deputy's Morning | Ural Championship 2010 | 29 | 4177 | |||
| 1594 | Aztec Treasure | 37 | 4195 | ||||
| 1340 | Cucaracha | USU Championship 2004 | 73 | 4310 | |||
| 1464 | Light | Petrozavodsk Winter 2006. USU Contest | 64 | 4323 | |||
| 1697 | Sniper Shot | Petrozavodsk Winter 2009. USU Contest | 37 | 4378 | |||
| 1344 | Gigantic Turnip | USU Championship 2004 | 71 | 4416 | |||
| 1478 | Spy Satellites | Petrozavodsk Summer 2006. Ural+Orel Contest | 61 | 4427 | |||
| 1380 | Ostap's Chess | Petrozavodsk Summer 2005. Moscow+Ural Contest | 71 | 4452 | |||
| 1529 | Game of Squares | Petrozavodsk Winter 2007. D.Gozman Contest | 56 | 4477 | |||
| 1661 | Dodecahedron | Petrozavodsk Winter 2008. USU Contest | 38 | 4484 | |||
| 1271 | Sailing Directions | USU Championship 2003 | 66 | 4582 | |||
| 1426 | Rectangles | Timus Top Coders: First Challenge | 63 | 4715 | |||
| 1460 | Wires | Petrozavodsk Winter 2006. USU Contest | 57 | 4775 | |||
| 1473 | Farm 2 | Petrozavodsk Summer 2006. Ural+Orel Contest | 54 | 4911 | |||
| 1848 | Fly Hunt | Petrozavodsk Summer 2010. USU Contest | 12 | 4947 | |||
| 1618 | Arrays Printing | Petrozavodsk Winter 2008. ITMO Contest | 35 | 5102 | |||
| 1662 | Goat in the Garden 6 | Petrozavodsk Winter 2008. USU Contest | 32 | 5125 | |||
| 1475 | Ryaba Hen | Petrozavodsk Summer 2006. Ural+Orel Contest | 51 | 5153 | |||
| 1842 | Local Roots | Petrozavodsk Summer 2010. USU Contest | 11 | 5182 | |||
| 1365 | Testing Calculator | Ural Championship 2005. Round 2 | 59 | 5199 | |||
| 1391 | Snake | Petrozavodsk Summer 2005. Moscow+Ural Contest | 59 | 5226 | |||
| 1596 | Knight Mare | 7 | 5394 | ||||
| 1384 | Goat in the Garden 4 | Petrozavodsk Summer 2005. Moscow+Ural Contest | 56 | 5463 | |||
| 1621 | Definite Integral | Petrozavodsk Winter 2008. ITMO Contest | 31 | 5599 | |||
| 1853 | Laser Technologies | Petrozavodsk Summer 2011. USU Contest | 9 | 5695 | |||
| 1819 | Professional Approach | Petrozavodsk Summer 2010. Tavrida NU Contest | 13 | 5748 | |||
| 1372 | Death Star | Ural Championship 2005. Round 1 | 52 | 5814 | |||
| 1660 | The Island of Bad Luck | Petrozavodsk Winter 2008. USU Contest | 24 | 6331 | |||
| 1649 | Abstractionism to the People | NEERC 2008 Eastern Subregional | 24 | 6496 | |||
| 1668 | Death Star 2 | Petrozavodsk Winter 2008. USU Contest | 22 | 6727 | |||
| 1624 | Go out of here! | Petrozavodsk Winter 2008. ITMO Contest | 24 | 6752 | |||
| 1479 | Scheduled Checking | Petrozavodsk Summer 2006. Ural+Orel Contest | 36 | 6832 | |||
| 1840 | Victim of Advertising | Ural Championship 2011 | 8 | 6835 | |||
| 1674 | Drunk King | Petrozavodsk Summer 2008. USU Contest | 21 | 6867 | |||
| 1653 | Death Conveyor | NEERC 2008 Eastern Subregional | 21 | 7124 | |||
| 1548 | Sakura and Statistics | Ural Championship 2007 | 28 | 7571 | |||
| 1536 | Delights of Pipe-weed | USU Personal Contest 2007 | 27 | 7942 | |||
| 1432 | Twofold Luck | USU Personal Contest 2006 | 33 | 7960 | |||
| 1363 | Halftones | Ural Championship 2005. Round 2 | 35 | 7972 | |||
| 1678 | Space Poker 3 | Petrozavodsk Summer 2008. USU Contest | 16 | 8188 | |||
| 1376 | Dean's Pyramid 2 | Ural Championship 2005. Round 1 | 32 | 8583 | |||
| 1626 | Interfering Segment | Petrozavodsk Winter 2008. ITMO Contest | 14 | 9566 | |||
| 1415 | Mobile Life | USU Championship 2005 | 27 | 9686 | |||
| 1556 | Multishot in the Secret Cow Level | Petrozavodsk Summer 2007. NSU Contest | 17 | 9951 | |||
| 1693 | Loyd's Problem | Petrozavodsk Winter 2009. USU Contest | 10 | 10290 | |||
| 1672 | Droid flies | Petrozavodsk Summer 2008. USU Contest | 10 | 10644 | |||
| 1374 | Misere | Ural Championship 2005. Round 1 | 22 | 11265 | |||
| 1708 | Sum of Digits 2 | Ural Championship 2009 | 8 | 11298 | |||
| 1390 | Shots at Walls | Petrozavodsk Summer 2005. Moscow+Ural Contest | 20 | 12019 | |||
| 1555 | Find the Treasure! | Petrozavodsk Summer 2007. NSU Contest | 12 | 12213 | |||
| 1383 | Flower-garden Designs | Petrozavodsk Summer 2005. Moscow+Ural Contest | 19 | 12434 | |||
| 1399 | Economical Director | 13 | 13105 | ||||
| 1524 | Men in Black | Petrozavodsk Winter 2007. D.Gozman Contest | 12 | 13429 | |||
| 1369 | Cockroach Race | Ural Championship 2005. Round 2 | 12 | 16306 | |||
| 1388 | Photo | Petrozavodsk Summer 2005. Moscow+Ural Contest | 8 | 20032 | |||
| 1589 | Sokoban | NEERC 2007 Eastern Subregional | 3 | 20341 | |||
| 1394 | Ships. Version 2 | 4 | 25758 | ||||