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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6022319

1001Reverse Root1631520

1785Lost in LocalizationUral Regional School Programming Contest 2010848421

1877Bicycle CodesUral Regional School Programming Contest 2011569824

1293EniyaSpring School Contest 20041521125

1409Two GangstersAutumn School Contest 20051464226

1820Ural SteaksUSU Personal Contest 2011552329

1787Turn for MEGAUral Regional School Programming Contest 2010548632

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011423133

1264WorkdaysAutumn School Contest 20031100234

1197Lonesome KnightSpring School Contest 20021038835

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional286436

1639Chocolate 2Autumn School Contest 2008637439

1924Four ImpsUral Regional School Programming Contest 2012254341

2001Mathematicians and BerriesUral Regional School Programming Contest 2013167241

1313Some Words about SportUral Championship 2004. Round 1838645

12091, 10, 100, 1000...Autumn School Contest 2002783546

1068Sum2159347

1567SMS-spamUSU Championship 2007618047

1319HotelUral Championship 2004. Round 2786148

1581TeamworkAutumn School Contest 2007604148

1881Long problem statementUral Regional School Programming Contest 2011265952

1225FlagsNEERC 2002 Central Subregional684853

1263ElectionsAutumn School Contest 2003706653

1585PenguinsNEERC 2007 Eastern Subregional549253

1876Centipede's MorningUral Regional School Programming Contest 2011258853

1893A380NEERC 2011 Eastern Subregional247855

1100Final StandingsTetrahedron Team Online Contest May 2001634056

1327FusesAutumn School Contest 2004663857

1110PowerBulgarian Online Contest September 2001602059

1243Divorce of the Seven DwarfsUSU Personal Contest 2003615360

1493One Step from HappinessAutumn School Contest 2006561160

1349FarmSpring School Contest 2005622161

1545HieroglyphsUral Championship 2007494763

1607TaxiUSU Personal Contest 2008437363

1925British Scientists Save the WorldUral Regional School Programming Contest 2012164363

1991The battle near the swampNEERC 2013 Eastern Subregional111363

1496SpammerAutumn School Contest 2006520565

1636Penalty TimeUSU Championship 2008389065

1149Sinus Dances523368

1196History ExamSpring School Contest 2002529868

1837Isenbaev's NumberUral Championship 2011228368

1617Flat SpotsUral Championship 2008393969

1723Sandro's BookUral Regional School Programming Contest 2009301070

1654Cipher MessageNEERC 2008 Eastern Subregional348371

1131CopyingUSU Championship 2001491972

1563BayanUSU Championship 2007405072

1792Hamming CodeUral Regional School Programming Contest 2010241072

1025Democracy in DangerAutumn School Contest 20001483973

1457Heating MainTimus Top Coders: Second Challenge486874

1224SpiralNEERC 2002 Central Subregional484075

1935Tears of DrownedUral FU Championship 2012136475

1712Cipher GrilleNEERC 2009 Eastern Subregional277976

2005Taxi for ProgrammersUral Regional School Programming Contest 201390576

1290SabotageSpring School Contest 2004482778

1083Factorials!!!Spring School Contest 20011219879

1902Neo-VeniceUral Championship 2012127182

2011Long StatementUral Regional School Programming Contest 201383482

1194HandshakesSpring School Contest 2002426384

1502Domino DotsNEERC 2006 Eastern Subregional399784

1638BookwormUSU Championship 2008296185

2002Test TaskUral Regional School Programming Contest 201380785

1120Sum of Sequential NumbersAutumn School Contest 2001410786

1139City BlocksNEERC 2001 Central Subregional414486

1404Easy to Hack!Autumn School Contest 2005438387

1106Two TeamsTetrahedron Team Online Contest May 2001400088

1796Amusement ParkUral Regional School Programming Contest 2010193990

1180Stone GameUSU Personal Contest 2002392991

1786Sandro's BiographyUral Regional School Programming Contest 2010190591

16421D MazeAutumn School Contest 2008266893

1161StripiesNEERC 2001 Northern Subregional377394

1601AntiCAPSUSU Personal Contest 2008294294

1510OrderNEERC 2006 Eastern Subregional347996

1731DillUral Regional School Programming Contest 2009218597

1005Stone PileUSU Championship 19971112698

1644A Whole Lot of WalnutsAutumn School Contest 2008255598

1009K-based NumbersUSU Championship 19971108099

1873GOV ChroniclesUral Regional School Programming Contest 2011139599

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201369199

1119MetroAutumn School Contest 20013540100

1777AnindilyakwaUral SU Championship 20101740100

1297PalindromeSpring School Contest 20043697101

1446Sorting HatUral Championship 20063577101

1014Product of DigitsUSU Local Contest. 199910653102

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013448102

1214Strange ProcedureAutumn School Contest 20023551102

1370MagicianUral Championship 2005. Round 23722102

1146Maximum SumDSAP Vietnam Online Contest November 20013418104

1228ArrayNEERC 2002 Central Subregional3500104

1020RopeAutumn School Contest 200010008109

1136ParliamentNEERC 2001 Central Subregional3241110

1573AlchemyAutumn School Contest 20072663110

1082Gaby IvanushkaSpring School Contest 20018622111

1118Nontrivial NumbersAutumn School Contest 20013207111

1330IntervalsAutumn School Contest 20043373112

1582BookmakersNEERC 2007 Eastern Subregional2527115

1044Lucky Tickets. Easy!USU Championship 20009299116

1079MaximumWinter Mathematical Festival Varna 20018331116

1192Ball in a DreamSpring School Contest 20023086116

1203Scientific ConferenceUSU Local Contest. March 20023078116

1296HyperjumpSpring School Contest 20043220116

1868Prediction ContestUral FU Championship 20111186117

1226esreveR redrONEERC 2002 Central Subregional3073118

1711Code NamesNEERC 2009 Eastern Subregional1790118

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20022986120

1219Symbolic SequenceUSU Championship 20022979122

1683FridgeUSU Personal Contest 20091903124

1931Excellent TeamUral FU Championship 2012820124

1984Dummy GuyOpen Ural FU Championship 2013559125

1123SalaryAutumn School Contest 20012819126

1126Magnetic StormsUSU Championship 20012816126

1688Team.GOV!USU Personal Contest 20091859127

1086CryptographySpring School Contest 20017475129

2000Grand Theft Array VUral Regional School Programming Contest 2013528129

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101329130

1725Sold Out!Ural Regional School Programming Contest 20091599132

1283DwarfUSU Personal Contest 20042814133

1336Problem of Ben BetsalelAutumn School Contest 20042847133

1353Milliard Vasya's FunctionSpring School Contest 20052844134

1022Genealogical TreeAutumn School Contest 20008079135

1021Sacrament of the SumAutumn School Contest 20007935137

1821BiathlonUSU Personal Contest 20111156137

1864Get-Together at Den'sUral FU Championship 20111012137

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional505137

1260Nudnik PhotographerAutumn School Contest 20032688138

1740Deer is Better!USU Championship 20091514138

1352Mersenne PrimesSpring School Contest 20052731139

1612Tram ForumUral Championship 20081940140

1026Questions and AnswersAutumn School Contest 20007706141

1142RelationsDSAP Vietnam Online Contest November 20012520141

1222Chernobyl’ EaglesUSU Championship 20022577141

1878Rubinchik's CubeUral Regional School Programming Contest 2011968142

1402CocktailsAutumn School Contest 20052656144

1576Telephone TariffsAutumn School Contest 20072021144

1964Chinese DialectsUral FU Personal Contest 2013627144

1982Electrification PlanOpen Ural FU Championship 2013483144

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional704146

1084Goat in the GardenSpring School Contest 20016399150

1756One and a Half DiggersUSU Personal Contest 20101302150

1178Akbardin’s RoadsUSU Personal Contest 20022348152

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional651157

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101080160

1572Yekaterinozavodsk Great WellAutumn School Contest 20071810161

1769Old Ural LegendUral Championship 20101183162

1874Football GoalUral Regional School Programming Contest 2011844163

1012K-based Numbers. Version 26660164

1135RecruitsNEERC 2001 Central Subregional2158164

1157Young TilerUral Championship 2001. Round 22169164

1210Kind SpiritsAutumn School Contest 20022201165

1295Crazy NotionsSpring School Contest 20042256165

1306Sequence MedianUral Championship 19982262165

1800Murphy's LawNEERC 2010 Eastern Subregional1037165

1869New Year CruiseUral FU Championship 2011837165

1073Square CountryUSU Personal Contest 20015901166

1709Penguin-AviaUral Championship 20091388166

1017StaircasesUSU Local Contest. 19996487168

1506Columns of NumbersNEERC 2006 Eastern Subregional1984168

1789Searching for the DodecahedronUral Regional School Programming Contest 20101029168

1013K-based Numbers. Version 36444169

1213Cockroaches!Autumn School Contest 20022144169

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091247169

1167Bicolored HorsesRomanian Online Contest December 20012060173

1685OrthographyUSU Personal Contest 20091359173

1640Circle of WinterAutumn School Contest 20081421175

1413Mars JumperUSU Championship 20052140178

1048Superlong SumsUSU Local Contest. March 20005932179

1280Topological SortingNEERC 2003 Central Subregional2054180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1375180

1193Queue at the ExamSpring School Contest 20021971181

1930Ivan's CarUral Regional School Programming Contest 2012557183

1134CardsNEERC 2001 Central Subregional1923184

1164FillwordNEERC 2001 Northern Subregional1928184

1335White ThesisAutumn School Contest 20042047184

1645Ski RaceAutumn School Contest 20081350184

1354Palindrome. Again PalindromeSpring School Contest 20052059185

1102Strange DialogTetrahedron Team Online Contest May 20011857189

1272Non-Yekaterinburg SubwayUSU Championship 20031961189

1613For Fans of StatisticsUral Championship 20081425191

1885Passenger ComfortNEERC 2011 Eastern Subregional711191

1114BoxesBulgarian Online Contest September 20011834193

1208Legendary Teams ContestUSU Local Contest. March 20021856193

1680The First NonqualifyingUSU Personal Contest 20091208194

1138Integer PercentageNEERC 2001 Central Subregional1816195

1586Threeprime NumbersNEERC 2007 Eastern Subregional1486195

1023ButtonsAutumn School Contest 20005535197

1207Median on the PlaneUSU Local Contest. March 20021807198

1133Fibonacci SequenceNEERC 2001 Central Subregional1778199

1112CoverBulgarian Online Contest September 20011767200

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1193201

1846GCD 2010Petrozavodsk Summer 2010. USU Contest693201

1944Record of the Attack at the OrbitUral FU Personal Contest 2012611201

1922Superhero TeamUral Regional School Programming Contest 2012494205

1737Mnemonics and Palindromes 3USU Championship 20091006207

1981Parallel and PerpendicularOpen Ural FU Championship 2013333207

1249Ancient NecropolisUSU Local Contest. March 20031755208

1423String TaleTimus Top Coders: First Challenge1759208

1002Phone NumbersCentral European Olympiad in Informatics 19995206210

1889Airport AnnouncementsNEERC 2011 Eastern Subregional639212

1200Horns and HoofsUSU Local Contest. March 20021677213

1348Goat in the Garden 2Spring School Contest 20051762215

1998The old PadawanNEERC 2013 Eastern Subregional317216

1515CashmasterTimus Top Coders: Third Challenge1509217

1011ConductorsUSU Championship 19975016218

1052Rabbit HuntUSU Local Contest. March 20004862219

1152False MirrorsUral Championship 2001. Round 21623219

1795Husband in a ShopUral Regional School Programming Contest 2010769224

1033LabyrinthUral Championship 19994798226

1125HopscotchUSU Championship 20011567226

1491Unreal StoryAutumn School Contest 20061482226

1024PermutationsAutumn School Contest 20004786227

1987Nested SegmentsOpen Ural FU Championship 2013304227

1490Fire CircleAutumn School Contest 20061467228

1826MinefieldUSU Personal Contest 2011688228

1049Brave BalloonistsUSU Local Contest. March 20004552234

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012432234

1150Page NumbersUral Championship 2001. Round 21499237

1333Genie Bomber 2Autumn School Contest 20041590237

1779The Great TeamUral SU Championship 2010729237

1122GameAutumn School Contest 20011484238

1191Catch the thief!Spring School Contest 20021499238

1933Guns for Battle!Ural FU Championship 2012416241

2003Simple MagicUral Regional School Programming Contest 2013276242

1183Brackets SequenceNEERC 20011470243

1108HeritageBulgarian Online Contest September 20011440245

1247Check a SequenceUSU Personal Contest 20031487245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1558245

1635Mnemonics and PalindromesUSU Championship 20081018245

1113JeepBulgarian Online Contest September 20011432246

1823Ideal GasUSU Personal Contest 2011637246

1603EruditeUSU Personal Contest 20081111247

1204IdempotentsUSU Local Contest. March 20021438248

1010Discrete FunctionUSTU PhysTech Cup 20004380249

1718RejudgeNEERC 2009 Eastern Subregional843249

1355Bald Spot RevisitedSpring School Contest 20051510251

1205By the Underground or by Foot?USU Local Contest. March 20021417252

1433DiamondsUSU Personal Contest 20061442252

1242WerewolfUSU Personal Contest 20031438254

1298KnightSpring School Contest 20041460255

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1250255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013774257

1726VisitsUral Regional School Programming Contest 2009810258

1195Ouths and CrossesSpring School Contest 20021359262

1904The Lessons of the PastUral Championship 2012388263

1080Map ColoringWinter Mathematical Festival Varna 20013666264

1087The Time to Take StonesSpring School Contest 20013632264

1989SubpalindromesOpen Ural FU Championship 2013259264

1047Simple CalculationsUSU Local Contest. March 20004008265

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031370266

1494MonobilliardsAutumn School Contest 20061254267

1179Numbers in TextUSU Personal Contest 20021316270

1303Minimal CoverageUral Championship 19981378270

1028StarsUral Championship 19993999271

1109ConferenceBulgarian Online Contest September 20011295272

1220StacksUSU Championship 20021315275

1117HierarchyAutumn School Contest 20011268278

1537EntsUSU Personal Contest 20071134280

1053PinocchioNEERC 2000 Central Subregional3777281

1201Which Day Is It?USU Local Contest. March 20021270281

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional605282

1032Find a MultipleUral Championship 19993328285

1658Sum of DigitsNEERC 2008 Eastern Subregional866285

1741Communication FiendUSU Championship 2009726286

1497Cutting a SquareAutumn School Contest 20061160288

1684Jack's Last WordUSU Personal Contest 2009812288

1211Collective GuaranteeAutumn School Contest 20021243291

1551Sumo TournamentUral Championship 20071072291

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest682291

1018Binary Apple TreeUSU Local Contest. 19993710293

1244GentlemenUSU Personal Contest 20031243293

1184Cable MasterNEERC 20011212294

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1139295

1753BookshelfUSU Personal Contest 2010655296

1377Lara CroftUral Championship 2005. Round 11281297

1793Tray 2Ural Regional School Programming Contest 2010578297

1590Bacon’s CipherNEERC 2007 Eastern Subregional969298

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional225300

1501Sense of BeautyNEERC 2006 Eastern Subregional1094304

1901Space ElevatorsUral Championship 2012334304

1116Piecewise Constant FunctionAutumn School Contest 20011148307

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest755307

1215Exactness of Projectile HitAutumn School Contest 20021171308

1127Colored BricksUSU Championship 20011141309

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest642309

1121BranchesAutumn School Contest 20011128312

1995Illegal spicesNEERC 2013 Eastern Subregional217312

1036Lucky Tickets3440315

1190Bar of ChocolateSpring School Contest 20021129315

1008Image EncodingUSTU PhysTech Cup 20003432318

1934Black SpotUral FU Championship 2012312320

1294Mars SatellitesSpring School Contest 20041160321

1153SupercomputerUral Championship 2001. Round 21100322

1648YachtsAutumn School Contest 2008766322

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest425324

1302Delta-waveUral Championship 19981146325

1124MosaicUSU Championship 20011079327

1923Scary PoliticsUral Regional School Programming Contest 2012306327

1060Flip GameNEERC 20003070328

1604Country of FoolsUSU Personal Contest 2008831329

1828Approximation by a ProgressionUSU Personal Contest 2011474329

1029MinistryUral Championship 19992870330

1588JamaicaNEERC 2007 Eastern Subregional874330

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1017331

1137Bus RoutesNEERC 2001 Central Subregional1049336

1406Next NumberAutumn School Contest 20051114342

1783Nuclear Arms RaceUral SU Championship 2010503342

1031Railway TicketsUral Championship 19993163343

1227Rally ChampionshipNEERC 2002 Central Subregional1052343

1759Long-LiversUSU Personal Contest 2010561344

1483Table FootballUSU Championship 2006963347

1185WallNEERC 20011023348

1320Graph DecompositionUral Championship 2004. Round 21068348

1140Swamp IncidentNEERC 2001 Central Subregional1011349

1941Scary Martian WordUral FU Personal Contest 2012348349

1262Pseudo-Roman NumberAutumn School Contest 20031051351

1223Chernobyl’ Eagle on a RoofUSU Championship 20021026352

1007Code WordsUSU Championship 19973080354

1090In the Army NowUSU Local Contest. March 20012569355

1631Drunk King 2USU Championship 2008700355

1218Episode N-th: The Jedi TournamentUSU Championship 20021007358

1055CombinationsNEERC 2000 Central Subregional2939360

1292Mars Space StationsSpring School Contest 20041033360

1963KiteUral FU Personal Contest 2013245360

1282Game TreeNEERC 2003 Central Subregional1017363

1574Mathematicians and bracketsAutumn School Contest 2007793365

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional367365

1156Two RoundsUral Championship 2001. Round 2963367

1160NetworkNEERC 2001 Northern Subregional986367

1431DiplomasUSU Personal Contest 2006989367

1774Barber of the Army of MagesUral SU Championship 2010468367

1261TipsAutumn School Contest 20031001368

1450Russian PipelinesTimus Top Coders: Second Challenge962369

1403CourierAutumn School Contest 20051026371

1229Strong BrickworkNEERC 2002 Central Subregional961375

1246Tethered DogUSU Personal Contest 2003969375

1521War Games 2Timus Top Coders: Third Challenge860378

1651Shortest SubchainNEERC 2008 Eastern Subregional650378

1259How to Become Star?Autumn School Contest 2003971379

1039Anniversary PartyUSU Championship 20002826380

1562GM-pineappleUSU Championship 2007763380

1860FiborialPetrozavodsk Summer 2011. USU Contest361380

1346Intervals of MonotonicityUSU Championship 2004991381

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest630381

1992CVSNEERC 2013 Eastern Subregional176381

1078SegmentsWinter Mathematical Festival Varna 20012532382

1015Test the Difference!USU Local Contest. 19992841383

1115ShipsBulgarian Online Contest September 2001913385

1517Freedom of ChoiceTimus Top Coders: Third Challenge841387

1176HyperchannelsUSU Personal Contest 2002914388

1003ParityCentral European Olympiad in Informatics 19992811389

1094E-screenUSU Local Contest. March 20012343389

1279WarehouseNEERC 2003 Central Subregional939392

1489Points on a ParallelepipedAutumn School Contest 2006843395

1217Unlucky TicketsUSU Championship 2002910396

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional253396

1289One Way TicketUSU Personal Contest 2004931398

1407One-two, One-twoAutumn School Contest 2005954398

1732Ministry of TruthUSU Championship 2009517399

1571InterpretersUSU Championship 2007722401

1107Warehouse ProblemTetrahedron Team Online Contest May 2001864403

1038Spell CheckerUSU Championship 20002659404

1111SquaresBulgarian Online Contest September 2001867405

1480CouponsUSU Championship 2006825405

1427SMSTimus Top Coders: First Challenge896406

1356Something EasierSpring School Contest 2005925408

1602ElevatorUSU Personal Contest 2008669408

1700AwakeningUral Championship 2009560408

1141RSA Attack862409

1287Mars CanalsUSU Personal Contest 2004898413

1971Graphics SettingsUral Championship 2013199413

1089Verification with a VocabularySpring School Contest 20012316414

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest766414

1776Anniversary FireworkUral SU Championship 2010411416

1181Cutting a Painted PolygonUSU Personal Contest 2002844420

1202Rectangles TravelUSU Local Contest. March 2002845420

1495One-two, One-two 2Autumn School Contest 2006792420

1350CanteenSpring School Contest 2005897421

1128Partition into GroupsUSU Championship 2001834422

1507Difficult DecisionNEERC 2006 Eastern Subregional776426

1641DutiesAutumn School Contest 2008578426

1291Gear-wheelsSpring School Contest 2004869427

1019Line PaintingUSU Local Contest. 19992537429

1077Travelling Tours817430

1252Sorting the TombstonesUSU Local Contest. March 2003844430

1513Lemon TaleTimus Top Coders: Third Challenge753431

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional391432

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest456433

1051Simple Game on a GridUSU Local Contest. March 20002426437

1728Curse on Team.GOVUral Regional School Programming Contest 2009475437

1221Malevich Strikes Back!USU Championship 2002815442

1871Seismic WavesUral FU Championship 2011306442

1890Money out of Thin AirNEERC 2011 Eastern Subregional301442

1129Door PaintingUSU Championship 2001792444

1884Way to the UniversityUral Regional School Programming Contest 2011303444

1643Attack of the Dark FortressAutumn School Contest 2008552445

1900Brainwashing DeviceUral Championship 2012225446

1942Attack at the OrbitUral FU Personal Contest 2012270446

1072RoutingUSU Personal Contest 20012149454

1258PoolAutumn School Contest 2003810454

1891Language OceanNEERC 2011 Eastern Subregional293454

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001774455

1928Another Ecology ProblemUral Regional School Programming Contest 2012217456

1189Pairs of IntegersNEERC 2001776457

1416ConfidentialUSU Championship 2005824458

1519Formula 1Timus Top Coders: Third Challenge709458

2009Canteen LineUral Regional School Programming Contest 2013141458

1535The Hobbit or There and Back AgainUSU Personal Contest 2007687459

1870Zinium 2Ural FU Championship 2011294459

1980Road to InvestorUral Championship 2013178459

1729Dead Man's ChestUral Regional School Programming Contest 2009448463

1162Currency ExchangeNEERC 2001 Northern Subregional759464

1410CrackUSU Championship 2005814464

1838Samurai's StrokeUral Championship 2011322467

1428Jedi RiddleTimus Top Coders: First Challenge774470

1990PodracingNEERC 2013 Eastern Subregional140470

1754Explosion in a PyramidUSU Personal Contest 2010405474

1091Tmutarakan ExamsUSU Local Contest. March 20011910477

1236Decoding TaskNEERC 2002755477

1628White StreaksUSU Championship 2008515480

1095Nikifor 3USU Local Contest. March 20011892481

1098Questions1798484

1579Coat TransportationAutumn School Contest 2007595484

1525PathPetrozavodsk Winter 2007. D.Gozman Contest653485

1066GarlandNEERC 20002065486

1155TroubleduonsUral Championship 2001. Round 2725486

1343Fairy TaleUSU Championship 2004769489

1401GamersAutumn School Contest 2005776489

1212BattleshipAutumn School Contest 2002729493

1273TieUSU Championship 2003745493

1103Pencils and CirclesTetrahedron Team Online Contest May 2001699497

2004Scientists from SpilkovoUral Regional School Programming Contest 2013129498

1182Team Them Up!NEERC 2001700506

1056Computer NetNEERC 2000 Central Subregional2079509

1329Galactic HistoryAutumn School Contest 2004735509

1322SpyUral Championship 2004. Round 2722513

1866Poetic FootUral FU Championship 2011262513

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional403515

1326Bottle TapsUral Championship 2004. Round 2716517

1143Electric PathDSAP Vietnam Online Contest November 2001679518

1334CheckersAutumn School Contest 2004721519

1366PresentsUral Championship 2005. Round 2728519

1939First SealUral FU Championship 2012188519

1238FoldingNEERC 2002694520

1994The Emperor's planNEERC 2013 Eastern Subregional125522

1430Crime and PunishmentTimus Top Coders: First Challenge695523

1903Unidentified ShipsUral Championship 2012190523

1892Morning in KoltsovoNEERC 2011 Eastern Subregional252525

1069Prufer CodeUSU Personal Contest 20011856526

1822Hugo II's WarUSU Personal Contest 2011291529

1045Funny GameUSU Local Contest. March 20002001530

1803The Czechs' RiflesNEERC 2010 Eastern Subregional317530

1806Mobile TelegraphsNEERC 2010 Eastern Subregional317530

1316Electronic AuctionUral Championship 2004. Round 1698531

1600AirportUSU Personal Contest 2008511531

1962In Chinese RestaurantUral FU Personal Contest 2013163531

1158Censored!NEERC 2001 Northern Subregional662532

1710Boris, You Are Wrong!Ural Championship 2009425535

1101Robot in the FieldTetrahedron Team Online Contest May 2001648536

1767The House of Doctor DeeUral Championship 2010351536

1577E-mailAutumn School Contest 2007535538

1400Cellular CharactersAutumn School Contest 2005701540

1027D++ AgainAutumn School Contest 20002006541

1064Binary SearchNEERC 20001851542

1940Not So Simple YearsUral FU Championship 2012179544

1314Chase in SubwayUral Championship 2004. Round 1679545

1605Devil's SequenceUSU Personal Contest 2008494549

1701Ostap and PartnersUral Championship 2009414549

1966Cycling RoadsUral FU Personal Contest 2013157550

1061Buffer ManagerNEERC 20001820551

1550Dean's Pyramid 3Ural Championship 2007555555

1059ExpressionNEERC 2000 Central Subregional1902556

1071Nikifor 2USU Personal Contest 20011753556

1085MeetingSpring School Contest 20011719556

1760Infernal WorkUSU Personal Contest 2010343557

1414Astronomical DatabaseUSU Championship 2005673559

1698Square Country 5Petrozavodsk Winter 2009. USU Contest410559

1004Sightseeing TripCentral European Olympiad in Informatics 19991930565

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012173565

1932The Secret of IdentifierUral FU Championship 2012172565

1198Jobbery666568

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest238568

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup135568

1445Christmas giftsUral Championship 2006627569

1650BillionairesNEERC 2008 Eastern Subregional428569

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional173569

1534Football in GondorUSU Personal Contest 2007550571

1713Key SubstringsNEERC 2009 Eastern Subregional362571

1070Local TimeUSU Personal Contest 20011697574

1690Army of MagesPetrozavodsk Winter 2009. USU Contest400574

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005654575

1437Gasoline StationUSU Personal Contest 2006627575

1448Lighting in HogwartsUral Championship 2006621575

1439Battle with You-Know-WhoUral Championship 2006620576

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest435579

1659Regular TrianglesNEERC 2008 Eastern Subregional421579

1592Chinese WatchesNEERC 2007 Eastern Subregional493581

1682Crazy ProfessorUSU Personal Contest 2009395584

1172Ship RoutesRomanian Online Contest December 2001601585

1421Credit OperationsTimus Top Coders: First Challenge619585

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest494586

1832Arirang ShowUral Championship 2011255586

1362Classmates 2Ural Championship 2005. Round 2640588

1054Hanoi TowerNEERC 2000 Central Subregional1790590

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional165595

1986Paul’s SaladsOpen Ural FU Championship 2013109597

1706Cipher Message 2Ural Championship 2009377601

1375Bill CleversUral Championship 2005. Round 1627603

1872Spacious OfficeUral FU Championship 2011220607

1067Disk TreeNEERC 20001644609

1755CakeUSU Personal Contest 2010312611

2008SwiftyUral Regional School Programming Contest 2013103613

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest468618

1988Planet Ocean LandingOpen Ural FU Championship 2013105618

1358CablesSpring School Contest 2005607619

1309DisputeUral Championship 2004. Round 1596620

1325DirtUral Championship 2004. Round 2592624

1773Metro to Every HomeUral Championship 2010300625

1830Help in the RNOSUral Championship 2011239626

1174Weird PermutationsRomanian Online Contest December 2001560627

1096Get the Right Route Plate!USU Local Contest. March 20011447628

1076Trash1530634

1088Ilya MurometzSpring School Contest 20011506635

1234BricksNEERC 2002562639

1606SlalomUSU Personal Contest 2008423639

1254Die HardUSU Local Contest. March 2003564640

1443RailsUral Championship 2006555642

1186Chemical ReactionsNEERC 2001547644

1248Sequence SumUSU Personal Contest 2003559645

1253NecrologuesUSU Local Contest. March 2003560645

1633HippogriffsUSU Championship 2008378649

1564Counting OnesUSU Championship 2007438657

1974Similar TunesUral Championship 2013121658

1961Cantonese DialectUral FU Personal Contest 2013129660

1465Pawn GamePetrozavodsk Winter 2006. USU Contest513661

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009310662

1332Genie BomberAutumn School Contest 2004558667

1452Pascal vs. C++Timus Top Coders: Second Challenge527669

1629TripUSU Championship 2008365671

1542AutocompletionUral Championship 2007457672

1775Space BowlingUral SU Championship 2010250674

1780Gray CodeUral SU Championship 2010250674

1440Training ScheduleUral Championship 2006524679

1772Ski-Trails for RobotsUral Championship 2010275679

1875Angry BirdsUral Regional School Programming Contest 2011194681

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest486684

1500Pass LicensesNEERC 2006 Eastern Subregional479688

1927Herbs and MagicUral Regional School Programming Contest 2012140689

1034Queens in Peaceful PositionsUral Championship 19991563691

1301Cube in LabyrinthUral Championship 1998528698

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional238698

1825Ifrit Bomber 2USU Personal Contest 2011217702

1738Computer SecurityUSU Championship 2009288706

1286Starship TravelUSU Personal Contest 2004520707

1230Introspective ProgramNEERC 2002 Central Subregional504709

1037Memory ManagementUSU Championship 20001505711

1274Fractional ArithmeticNEERC 2003 Central Subregional514711

1168Radio StationsRomanian Online Contest December 2001492712

1486Equal SquaresUSU Championship 2006464713

1646Godzilla Strikes Back!Autumn School Contest 2008341713

1159FenceNEERC 2001 Northern Subregional489716

1305Convex HullUral Championship 1998511720

1611DecimationUral Championship 2008370720

1016Cube on the WalkUSU Local Contest. 19991504721

1371Cargo AgencyUral Championship 2005. Round 1522722

1614National Project “Trams”Ural Championship 2008368724

1057Amount of DegreesNEERC 2000 Central Subregional1456725

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest397726

1235Cricket FieldNEERC 2002492728

1921Chaos and OrderUral Regional School Programming Contest 2012132728

1405Goat in the Garden 5Autumn School Contest 2005516730

1250Sea BurialUSU Local Contest. March 2003491733

1996Cipher Message 3NEERC 2013 Eastern Subregional86734

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest212739

1587Flying PigNEERC 2007 Eastern Subregional384740

1905Travel in TimeUral Championship 2012131743

1943Space RummyUral FU Personal Contest 2012158744

1689Fisherman and BarbellUSU Personal Contest 2009307746

1936RoshamboUral FU Championship 2012127750

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest442751

1512ZiniumTimus Top Coders: Third Challenge426755

1169PairsRomanian Online Contest December 2001461758

1716Alternative SolutionNEERC 2009 Eastern Subregional269762

1484Film RatingUSU Championship 2006432764

1705Gangster HaresUral Championship 2009294765

1824Ifrit BomberUSU Personal Contest 2011198766

1132Square Root453769

1042Central HeatingUSU Championship 20001390770

1983Nectar GatheringOpen Ural FU Championship 201382773

1379Cups TransportationUral Championship 2005. Round 1484777

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest433778

1392Dreaming of Stars483779

1424MinibusTimus Top Coders: First Challenge462780

1836Babel FishUral Championship 2011188784

1434Buses in VasyukiUSU Personal Contest 2006457785

1547Password SearchUral Championship 2007387790

1030TitanicUral Championship 19991362792

1165SubnumberNEERC 2001 Northern Subregional440794

1647Divide an Island!Autumn School Contest 2008302802

1883Ent's BirthdayUral Regional School Programming Contest 2011163803

1715Another Ball KillerNEERC 2009 Eastern Subregional254805

1630TalismanUSU Championship 2008301809

1456Jedi Riddle 2Timus Top Coders: Second Challenge431814

1863Peaceful AtomUral FU Championship 2011161816

1720Summit Online JudgeNEERC 2009 Eastern Subregional250818

1593Square Country. Version 2282819

1608Lucky Tickets 2008Ural Championship 2008324819

1105Observers ColoringTetrahedron Team Online Contest May 2001420820

1761Binary PalindromeUSU Personal Contest 2010229823

1268Little ChuUSU Championship 2003441825

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest160829

1937Davy Jones’s OrganUral FU Championship 2012114829

1269Obscene Words FilterUSU Championship 2003436834

1154Mages ContestUral Championship 2001. Round 2417836

1979Resources DistributionUral Championship 201393837

1147Shaping RegionsDSAP Vietnam Online Contest November 2001410849

1498Stroke at Full SpeedAutumn School Contest 2006386851

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest367852

1006Square FramesUSU Championship 19971273853

1323ClassmatesUral Championship 2004. Round 2430854

1976Game OptimizationUral Championship 201391854

1233Amusing NumbersNEERC 2002415859

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest289862

1324Extra SpacesUral Championship 2004. Round 2425864

1436BillboardUSU Personal Contest 2006414864

1887Frequent Flyer CardNEERC 2011 Eastern Subregional149865

1276TrainNEERC 2003 Central Subregional419868

1879GOV-internship 2Ural Regional School Programming Contest 2011149870

1862Very Wealthy MoleUral FU Championship 2011150873

1578Mammoth HuntAutumn School Contest 2007324877

1373Pictura ex MachinaUral Championship 2005. Round 1427879

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest219881

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest381882

1245PicturesUSU Personal Contest 2003406883

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest218884

1827Indigenous WarsUSU Personal Contest 2011169890

1970皇后像廣場Ural FU Personal Contest 201393891

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest418897

1364LaraKillerUral Championship 2005. Round 2412906

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest249907

1342EnterpriseUSU Championship 2004410908

1580Dean's DebtsAutumn School Contest 2007312910

1730ManBearPigUral Regional School Programming Contest 2009221917

1784RoundersUral SU Championship 2010181918

1907Coffee and BunsUral Championship 2012104918

1278“… Connecting People”NEERC 2003 Central Subregional395920

1285Thread in a HyperspaceUSU Personal Contest 2004394928

1237Evacuation PlanNEERC 2002384929

1768Circular StringsUral Championship 2010198931

1277Cops and ThievesNEERC 2003 Central Subregional388936

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional101937

1175Strange SequenceUSU Personal Contest 2002371941

1575Yekaterinburg Subway 2Autumn School Contest 2007301942

1422FirefliesTimus Top Coders: First Challenge380944

1948The Robot on the LineUral FU Personal Contest 2012122947

1569Networking the “Iset”USU Championship 2007300948

1985Prime SquareOpen Ural FU Championship 201365948

1151RadiobeaconsUral Championship 2001. Round 2365952

1722Observation DeckUral Regional School Programming Contest 2009211959

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010171965

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest136969

1040Airline CompanyUSU Championship 20001099971

1331VladislavaAutumn School Contest 2004378977

1418Military StoryUSU Championship 2005380980

1130Nikifor's WalkUSU Championship 2001354981

1398Bishop and Pawn322986

1435Financial ErrorUSU Personal Contest 2006360990

1591Abstract ThinkingNEERC 2007 Eastern Subregional284991

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest234991

1518Jedi Riddle 3Timus Top Coders: Third Challenge321994

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3361000

1949The Best Picture in the GalaxyUral FU Personal Contest 20121151000

1311Stable ConstructionUral Championship 2004. Round 13651002

1539Intelligence DataUSU Personal Contest 20073091002

1451Beerhouse TaleTimus Top Coders: Second Challenge3471006

1687Numismatics for FunUSU Personal Contest 20092241010

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1521013

1339BabiesUSU Championship 20043661014

1570Eating HighUSU Championship 20072781020

1968Glass PyramidUral FU Personal Contest 2013801020

1790Searching for the TruthUral Regional School Programming Contest 20101611021

1075Thread in a SpaceUSU Personal Contest 20019441028

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2771030

1965Pear TreesUral FU Personal Contest 2013791031

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1491032

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1811061

1317HailUral Championship 2004. Round 23391076

2007Mutants versus MachinesUral Regional School Programming Contest 2013541082

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2151085

1173Lazy SnailRomanian Online Contest December 20013191086

1511Fiscal OperationsTimus Top Coders: Third Challenge2911094

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup641113

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1701120

1341DeviceUSU Championship 20043281128

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1141137

1766Humpty DumptyUral Championship 20101601139

1458War GamesTimus Top Coders: Second Challenge3051140

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1751149

1627JoinPetrozavodsk Winter 2008. ITMO Contest2141151

1357Teakettle 1.0 for DummiesSpring School Contest 20053211153

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3221157

1544Classmates 3Ural Championship 20072611158

1444ElephpotamusUral Championship 20063021162

1686Photovoltaic SpaceshipUSU Personal Contest 20091931165

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2401166

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2811167

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest1911169

1447Portkey NetworkUral Championship 20063001170

1595Perfect Sequence1831172

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1371178

1408Polynomial MultiplicationAutumn School Contest 20053151181

1453QueenTimus Top Coders: Second Challenge2931185

1669Universal WordPetrozavodsk Winter 2008. USU Contest1961185

1307ArchiverUral Championship 2004. Round 13051192

1657Cube SnakeNEERC 2008 Eastern Subregional1991193

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2371196

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional771196

1035Cross-stitchUral Championship 19998931201

1359ConstructionSpring School Contest 20053071204

1487Chinese FootballUSU Championship 20062671220

1736Chinese HockeyUSU Championship 20091611230

1807Cartridges for MaximNEERC 2010 Eastern Subregional1301237

1321Floor IndicatorUral Championship 2004. Round 22931240

1540Battle for the RingUSU Personal Contest 20072471244

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2671245

1538Towers of GuardUSU Personal Contest 20072451254

1097Square Country 2USU Local Contest. March 20017161260

1310ACM DiagnosticsUral Championship 2004. Round 12881260

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2421275

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1921276

1177Like ComparisonsUSU Personal Contest 20022691286

1533Fat HobbitsUSU Personal Contest 20072381289

1050Preparing an ArticleUSU Local Contest. March 20008151291

1065FrontierNEERC 20007691294

1328FireballAutumn School Contest 20042831294

1546Japanese SortingUral Championship 20072311302

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup531307

1171Lost in SpaceRomanian Online Contest December 20012621313

1281River BasinNEERC 2003 Central Subregional2711326

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup521329

1908Brute-force SearchUral Championship 2012681342

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1111356

1360Philosophical DisputeUral Championship 2005. Round 22711360

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1371372

1240Heroes of Might and MagicNEERC 20022561373

1770The Party of Ural ChampionsUral Championship 20101301383

1802Cube PuzzleNEERC 2010 Eastern Subregional1151385

1099Work Scheduling5871390

1499KerchiefsAutumn School Contest 20062321392

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup491396

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2191403

1265MirrorUSU Championship 20032531415

1266Kirchhoff's LawUSU Championship 20032531415

1946Chinese Hockey 3Ural FU Personal Contest 2012781420

1318LogarithmUral Championship 2004. Round 22541423

1299PsyloniansSpring School Contest 20042521431

1886Trip 2NEERC 2011 Eastern Subregional861433

1412Autumn TideUSU Championship 20052561436

1419Maps of the Island WorldsUSU Championship 20052541447

1393Average Common Prefix2511451

1947MeanderUral FU Personal Contest 2012761453

1043Cover an ArcUSU Championship 20007301456

1762Search for a Hiding-PlaceUSU Personal Contest 20101251456

1449Credit Operations 2Timus Top Coders: Second Challenge2361460

1345HTMLUSU Championship 20042501466

1441From the History of Gringotts BankUral Championship 20062361474

1170DesertRomanian Online Contest December 20012321476

1764TranssibUral Championship 20101211478

1347BlogSpring School Contest 20052471485

1831Tsyfirkin's LessonUral Championship 2011941492

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2051495

1251Cemetery ManagerUSU Local Contest. March 20032351500

1565The Duel for ThreeUSU Championship 20071851507

1782Jack's New WordUral SU Championship 20101051524

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1471540

1950Martian FarmlandsUral FU Personal Contest 2012711543

1241Inlay CuttersNEERC 20022271544

1734Endgame DatabaseUSU Championship 20091241569

1670AsteriskPetrozavodsk Summer 2008. USU Contest1441570

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2061572

1337BureaucracyAutumn School Contest 20042311573

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest791584

1568Train Car SortingUSU Championship 20071741597

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest781602

1969Hong Kong TramUral FU Personal Contest 2013471610

1583CheeseNEERC 2007 Eastern Subregional1701619

1894Non-Flying WeatherNEERC 2011 Eastern Subregional751619

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional541626

1702CrossroadUral Championship 20091331627

1485Football and LieUSU Championship 20061971632

1841CablewaysPetrozavodsk Summer 2010. USU Contest761646

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2231648

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest1961648

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1121653

1062TriathlonNEERC 20005941668

1516NostalgiaTimus Top Coders: Third Challenge1871671

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2191677

1610CactusesUral Championship 20081531679

1615Tram SolitaireUral Championship 20081531679

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest871691

1420Integer-Valued Complex DivisionUSU Championship 20052151698

1839The MentaculusUral Championship 2011811705

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest731705

1046Geometrical DreamsUSU Local Contest. March 20006141706

1257HyphenationAutumn School Contest 20032071714

1508Japanese PuzzleNEERC 2006 Eastern Subregional1851719

1707Hypnotoad's SecretUral Championship 20091251723

1338AutomobilesUSU Championship 20042111725

1977Energy WallUral Championship 2013401725

1488ACM PokerUSU Championship 20061851732

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1751737

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20011951740

1492Vasya's Dad 2Autumn School Contest 20061811764

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1841778

1304ParallelepipedUral Championship 19982011779

1781Clean CodeUral SU Championship 2010881789

1417Space Poker 2USU Championship 20052031794

1514National ParkTimus Top Coders: Third Challenge1731799

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1021800

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest811803

1867NanotechnologiesUral FU Championship 2011671813

1093DartsUSU Local Contest. March 20014931819

1378Artificial IntelligenceUral Championship 2005. Round 11991837

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1211846

1163ChapaevNEERC 2001 Northern Subregional1831850

1703Robotic ArmUral Championship 20091151861

1757Gold BarsUSU Personal Contest 2010951872

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1191874

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1201877

1634Spider MiteUSU Championship 20081241879

1532Lost in TranslationUSU Personal Contest 20071591892

1425Queen 2Timus Top Coders: First Challenge1841898

1187Statistical TroubleNEERC 20011771920

1216Two Pawns and One KingUSU Championship 20021791928

1455Freedom of SpeechTimus Top Coders: Second Challenge1751941

1503PolynomialNEERC 2006 Eastern Subregional1621949

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1401970

1833Hopes of RowingUral Championship 2011681990

1148Building TowersDSAP Vietnam Online Contest November 20011691992

1396Maximum. Version 21682004

1188LibraryNEERC 20011692006

1972Game TestingUral Championship 2013332006

1882Old NokiaUral Regional School Programming Contest 2011592013

1288AstrolocationUSU Personal Contest 20041762015

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1702025

1063Domino PuzzleNEERC 20004872027

1232Asteroid LandingNEERC 2002 Central Subregional1682048

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1082049

1850Space TourismPetrozavodsk Summer 2010. USU Contest592051

1267Yekaterinburg SubwayUSU Championship 20031702068

1092TransversalUSU Local Contest. March 20014322070

1549Another Japanese PuzzleUral Championship 20071402092

1835Swamp DoctorUral Championship 2011642097

1541ChaseUSU Personal Contest 20071422104

1315MDPAR and MIIARUral Championship 2004. Round 11682110

1041NikiforUSU Championship 20004992117

1543Dance RevolutionUral Championship 20071382120

1504Good MannersNEERC 2006 Eastern Subregional1472135

1074Very Short ProblemUSU Personal Contest 20014462150

1865The Island of MärketUral FU Championship 2011542181

1652Banking CrisisNEERC 2008 Eastern Subregional1042188

1655Somali PiratesNEERC 2008 Eastern Subregional1042188

1256Cemetery GuardUSU Local Contest. March 20031572200

1270UnicubeUSU Championship 20031592202

1978E-LiteUral Championship 2013292212

1397Points Game1422234

1758Bald Spot Revisited 2USU Personal Contest 2010782234

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21612235

1368Goat in the Garden 3Ural Championship 2005. Round 21582275

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest972281

1481Winning ChancesUSU Championship 20061382283

1735Theft of the CenturyUSU Championship 2009812311

1739FaryuksUSU Championship 2009812311

1284Space PokerUSU Personal Contest 20041512328

1895Steaks on BoardNEERC 2011 Eastern Subregional492332

1829Routing TablesUSU Personal Contest 2011582343

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602344

1275Knights of the Round TableNEERC 2003 Central Subregional1462388

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest492389

1945Many-armed BrothersUral FU Personal Contest 2012422403

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782416

1717Eligibility RulesNEERC 2009 Eastern Subregional782416

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional332420

1704DemodulationUral Championship 2009852449

2006Kirill the GardenerUral Regional School Programming Contest 2013182473

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472483

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup232496

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup232496

1300TaxesUral Championship 19981392519

1609Tram TileUral Championship 2008982533

1975Model of the EarthUral Championship 2013242537

1308Dean's PyramidUral Championship 2004. Round 11382538

1454Rectangles 2Timus Top Coders: Second Challenge1312547

1938Caribbean TriangleUral FU Championship 2012302569

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1052570

1239Ghost BustersNEERC 20021312591

1312TrayUral Championship 2004. Round 11342609

1520Empire Strikes BackTimus Top Coders: Third Challenge1152633

1856War and PeacePetrozavodsk Summer 2011. USU Contest422710

1999The secret moduleNEERC 2013 Eastern Subregional162711

1694Killer WordsPetrozavodsk Winter 2009. USU Contest762732

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest792742

1957MundialPetrozavodsk Winter 2013. Kontur Cup202745

1681Brother Bear's GardenUSU Personal Contest 2009762749

1637Triangle Game 2USU Championship 2008802797

1566Triangular PostcardsUSU Championship 2007952799

1505Oil TransferNEERC 2006 Eastern Subregional1092817

1834Tennis RacketUral Championship 2011452822

1482Triangle GameUSU Championship 20061082863

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest722865

1858Magic CubePetrozavodsk Summer 2011. USU Contest392876

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional262890

141140 Islands KnightsUSU Championship 20051212917

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest592922

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest702937

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest382948

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest452983

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1013058

1442Floo PowderUral Championship 20061083073

1395Pascal vs. C++. Version 21063090

1622EndspielPetrozavodsk Winter 2008. ITMO Contest733107

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest733107

1367Top SecretUral Championship 2005. Round 21133108

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest423155

1438Time Limit ExceededUSU Personal Contest 20061053186

1847ZamkadyePetrozavodsk Summer 2010. USU Contest343216

1616Square Country 4Ural Championship 2008753219

1058ChocolateNEERC 2000 Central Subregional3123294

1166Funny Card GameNEERC 2001 Northern Subregional1023321

1909Space ReconUral Championship 2012213377

1429BiscuitsTimus Top Coders: First Challenge983409

1733Forgotten TechnologyUSU Championship 2009513447

1632LasersUSU Championship 2008633449

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest753477

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest993523

1765Error 404Ural Championship 2010443585

1464LightPetrozavodsk Winter 2006. USU Contest863592

1466Magic SquarePetrozavodsk Winter 2006. USU Contest863592

1973Location GeneratorUral Championship 2013143594

1199Mouse813595

1509Domino RecognitionNEERC 2006 Eastern Subregional823644

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903840

1661DodecahedronPetrozavodsk Winter 2008. USU Contest533874

1778Chinese Hockey 2Ural SU Championship 2010353895

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684119

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest494137

1763Expert FleaUral Championship 2010364209

1797Summit Online Judge. Version 2154259

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest694297

1271Sailing DirectionsUSU Championship 2003764328

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup94335

1594Aztec Treasure414444

1460WiresPetrozavodsk Winter 2006. USU Contest674479

1340CucarachaUSU Championship 2004744539

1344Gigantic TurnipUSU Championship 2004744539

1967Programmer CasinoUral FU Personal Contest 201384540

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest414606

1771A Deputy's MorningUral Championship 2010324610

1801The Revolution CupNEERC 2010 Eastern Subregional274681

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest724683

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest624715

1426RectanglesTimus Top Coders: First Challenge664845

1906The Lost CivilizationUral Championship 2012114985

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest584992

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest405157

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest175219

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest635261

1365Testing CalculatorUral Championship 2005. Round 2625309

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest385372

1848Fly HuntPetrozavodsk Summer 2010. USU Contest165443

1372Death StarUral Championship 2005. Round 1585646

1842Local RootsPetrozavodsk Summer 2010. USU Contest155661

1668Death Star 2Petrozavodsk Winter 2008. USU Contest325811

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest456172

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional306236

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest296258

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest166309

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276534

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest296611

1653Death ConveyorNEERC 2008 Eastern Subregional266928

1596Knight Mare86945

1363HalftonesUral Championship 2005. Round 2456950

1548Sakura and StatisticsUral Championship 2007356974

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup17484

1536Delights of Pipe-weedUSU Personal Contest 2007327613

1432Twofold LuckUSU Personal Contest 2006358142

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest208595

1840Victim of AdvertisingUral Championship 201188622

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest188634

1376Dean's Pyramid 2Ural Championship 2005. Round 1338929

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest238955

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest149789

1415Mobile LifeUSU Championship 2005299793

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1410073

1708Sum of Digits 2Ural Championship 20091111076

1374MisereUral Championship 2005. Round 12411293

1399Economical Director1712113

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1412313

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2112388

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2012801

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1413387

1369Cockroach RaceUral Championship 2005. Round 21415927

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1118288

1589SokobanNEERC 2007 Eastern Subregional322417

1394Ships. Version 2525604