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Problem set


1000A+B Problem7523117

1001Reverse Root2163617

1785Lost in LocalizationUral Regional School Programming Contest 20101288118

1293EniyaSpring School Contest 20042116720

1409Two GangstersAutumn School Contest 20052031421

2012About Grisha N.NEERC 2014 Eastern Subregional501521

1877Bicycle CodesUral Regional School Programming Contest 2011895022

1264WorkdaysAutumn School Contest 20031472028

1820Ural SteaksUSU Personal Contest 2011762228

2001Mathematicians and BerriesUral Regional School Programming Contest 2013477728

1787Turn for MEGAUral Regional School Programming Contest 2010799829

1197Lonesome KnightSpring School Contest 20021278631

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011607232

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional477134

1639Chocolate 2Autumn School Contest 2008845936

1924Four ImpsUral Regional School Programming Contest 2012451036

2066Simple ExpressionUral Regional School Programming Contest 2015204737

2023Donald is a postmanNEERC 2014 Eastern Subregional269239

1313Some Words about SportUral Championship 2004. Round 11039940


12091, 10, 100, 1000...Autumn School Contest 2002977742

1225FlagsNEERC 2002 Central Subregional939743

1319HotelUral Championship 2004. Round 2962243

1567SMS-spamUSU Championship 2007785743

1581TeamworkAutumn School Contest 2007767744

1263ElectionsAutumn School Contest 2003869948

1585PenguinsNEERC 2007 Eastern Subregional708348

1991The battle near the swampNEERC 2013 Eastern Subregional272749

1100Final StandingsTetrahedron Team Online Contest May 2001778051

1876Centipede's MorningUral Regional School Programming Contest 2011383151

1327FusesAutumn School Contest 2004805352

1243Divorce of the Seven DwarfsUSU Personal Contest 2003740155

1493One Step from HappinessAutumn School Contest 2006690855

1881Long problem statementUral Regional School Programming Contest 2011356255

1893A380NEERC 2011 Eastern Subregional353055

1110PowerBulgarian Online Contest September 2001705256

1349FarmSpring School Contest 2005741057

1607TaxiUSU Personal Contest 2008565657

1545HieroglyphsUral Championship 2007600060

1496SpammerAutumn School Contest 2006620661

1636Penalty TimeUSU Championship 2008484762

1837Isenbaev's NumberUral Championship 2011338862

1925British Scientists Save the WorldUral Regional School Programming Contest 2012264262

1196History ExamSpring School Contest 2002638363

1149Sinus Dances620164

2100Wedding DinnerUral FU Junior Championship 201668464

1654Cipher MessageNEERC 2008 Eastern Subregional456666

1563BayanUSU Championship 2007508367

1723Sandro's BookUral Regional School Programming Contest 2009397467

1617Flat SpotsUral Championship 2008476268

2002Test TaskUral Regional School Programming Contest 2013193568

2035Another Dress RehearsalUral Regional School Programming Contest 2014149469

1131CopyingUSU Championship 2001572670

1025Democracy in DangerAutumn School Contest 20001738871

1224SpiralNEERC 2002 Central Subregional569871

1457Heating MainTimus Top Coders: Second Challenge567371

1083Factorials!!!Spring School Contest 20011453174

2005Taxi for ProgrammersUral Regional School Programming Contest 2013177874

1792Hamming CodeUral Regional School Programming Contest 2010304775

1935Tears of DrownedUral FU Championship 2012211776

2031Overturned NumbersUral Regional School Programming Contest 2014135076

1712Cipher GrilleNEERC 2009 Eastern Subregional341578

1502Domino DotsNEERC 2006 Eastern Subregional477979

2011Long StatementUral Regional School Programming Contest 2013165879

1139City BlocksNEERC 2001 Central Subregional490981

1106Two TeamsTetrahedron Team Online Contest May 2001483382

1194HandshakesSpring School Contest 2002492182

1638BookwormUSU Championship 2008366482

1290SabotageSpring School Contest 2004501483

2068Game of NutsUral Regional School Programming Contest 201589983

1119MetroAutumn School Contest 2001471784

1404Easy to Hack!Autumn School Contest 2005502984

1120Sum of Sequential NumbersAutumn School Contest 2001468585

2056ScholarshipUral Championship 2015103085

1180Stone GameUSU Personal Contest 2002457788

1297PalindromeSpring School Contest 2004458891

1005Stone PileUSU Championship 19971334492

1146Maximum SumDSAP Vietnam Online Contest November 2001433992

1601AntiCAPSUSU Personal Contest 2008353592

1161StripiesNEERC 2001 Northern Subregional427393

1510OrderNEERC 2006 Eastern Subregional408893

1902Neo-VeniceUral Championship 2012174594

16421D MazeAutumn School Contest 2008313995

1796Amusement ParkUral Regional School Programming Contest 2010240295

1446Sorting HatUral Championship 2006420696

1009K-based NumbersUSU Championship 19971268997

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001408497

2033DevicesUral Regional School Programming Contest 2014105797

1370MagicianUral Championship 2005. Round 2431898

1644A Whole Lot of WalnutsAutumn School Contest 2008307198

1731DillUral Regional School Programming Contest 2009268398

2025Line FightingUral Regional School Programming Contest 2014104298

1203Scientific ConferenceUSU Local Contest. March 2002406799

1786Sandro's BiographyUral Regional School Programming Contest 2010230699

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131292101

1118Nontrivial NumbersAutumn School Contest 20013862103

1136ParliamentNEERC 2001 Central Subregional3878103

1214Strange ProcedureAutumn School Contest 20023950103

1014Product of DigitsUSU Local Contest. 199911653105

1020RopeAutumn School Contest 200011745105

1228ArrayNEERC 2002 Central Subregional3876105

1296HyperjumpSpring School Contest 20043901107

2018The Debut AlbumNEERC 2014 Eastern Subregional966107

1330IntervalsAutumn School Contest 20043881108

1573AlchemyAutumn School Contest 20073124109

1777AnindilyakwaUral SU Championship 20102113109

1126Magnetic StormsUSU Championship 20013573111

1079MaximumWinter Mathematical Festival Varna 20019614113

1192Ball in a DreamSpring School Contest 20023564113

1082Gaby IvanushkaSpring School Contest 20019394115

1226esreveR redrONEERC 2002 Central Subregional3514116

1582BookmakersNEERC 2007 Eastern Subregional2901117

1044Lucky Tickets. Easy!USU Championship 200010286118

1086CryptographySpring School Contest 20019191118

1353Milliard Vasya's FunctionSpring School Contest 20053585118

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional871119

1219Symbolic SequenceUSU Championship 20023386120

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023281122

1711Code NamesNEERC 2009 Eastern Subregional2176122

1123SalaryAutumn School Contest 20013229123

1260Nudnik PhotographerAutumn School Contest 20033359123

2000Grand Theft Array VUral Regional School Programming Contest 20131041126

1283DwarfUSU Personal Contest 20043268127

1336Problem of Ben BetsalelAutumn School Contest 20043313127

1683FridgeUSU Personal Contest 20092231128

1688Team.GOV!USU Personal Contest 20092223129

1982Electrification PlanUral FU Championship 20131014131

1725Sold Out!Ural Regional School Programming Contest 20091996132

1868Prediction ContestUral FU Championship 20111478132

1352Mersenne PrimesSpring School Contest 20053129135

1022Genealogical TreeAutumn School Contest 20009020136

1964Chinese DialectsUral FU Personal Contest 20131023139

1021Sacrament of the SumAutumn School Contest 20008784140

1402CocktailsAutumn School Contest 20053039140

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101630140

1222Chernobyl’ EaglesUSU Championship 20022886141

1931Excellent TeamUral FU Championship 20121135142

1740Deer is Better!USU Championship 20091832143

1026Questions and AnswersAutumn School Contest 20008434145

1612Tram ForumUral Championship 20082220145

1142RelationsDSAP Vietnam Online Contest November 20012732146

1576Telephone TariffsAutumn School Contest 20072323146

2069Hard RockUral Regional School Programming Contest 2015506146

1084Goat in the GardenSpring School Contest 20017345147

1178Akbardin’s RoadsUSU Personal Contest 20022724147

1864Get-Together at Den'sUral FU Championship 20111319148

1984Dummy GuyUral FU Championship 2013893148

2073Log FilesUral Regional School Programming Contest 2015497148

1821BiathlonUSU Personal Contest 20111440149

1167Bicolored HorsesRomanian Online Contest December 20012651151

1572Yekaterinozavodsk Great WellAutumn School Contest 20072251151

1210Kind SpiritsAutumn School Contest 20022626154

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional850155

1073Square CountryUSU Personal Contest 20017003157

1306Sequence MedianUral Championship 19982654157

1709Penguin-AviaUral Championship 20091799157

1756One and a Half DiggersUSU Personal Contest 20101575158

1295Crazy NotionsSpring School Contest 20042600160

1017StaircasesUSU Local Contest. 19997628161

1280Topological SortingNEERC 2003 Central Subregional2545162

1354Palindrome. Again PalindromeSpring School Contest 20052599162

1135RecruitsNEERC 2001 Central Subregional2428164

1157Young TilerUral Championship 2001. Round 22414165

1613For Fans of StatisticsUral Championship 20081949165

2102Michael and CryptographyUral FU Junior Championship 2016262165

1506Columns of NumbersNEERC 2006 Eastern Subregional2286166

2091Natural SelectionUral FU Personal Contest 2014320166

1272Non-Yekaterinburg SubwayUSU Championship 20032472167

1586Threeprime NumbersNEERC 2007 Eastern Subregional2019167

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1176168

1874Football GoalUral Regional School Programming Contest 20111157168

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional969168

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1718169

1878Rubinchik's CubeUral Regional School Programming Contest 20111154169

1213Cockroaches!Autumn School Contest 20022380170

1012K-based Numbers. Version 27110173

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101320173

1640Circle of WinterAutumn School Contest 20081716174

1800Murphy's LawNEERC 2010 Eastern Subregional1280177

1335White ThesisAutumn School Contest 20042358178

1413Mars JumperUSU Championship 20052365178

1685OrthographyUSU Personal Contest 20091604178

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091478178

1193Queue at the ExamSpring School Contest 20022233179

1769Old Ural LegendUral Championship 20101378179

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional907179

1134CardsNEERC 2001 Central Subregional2212180

1930Ivan's CarUral Regional School Programming Contest 2012898180

1944Record of the Attack at the OrbitUral FU Personal Contest 2012868180

1102Strange DialogTetrahedron Team Online Contest May 20012174181

1048Superlong SumsUSU Local Contest. March 20006508184

1789Searching for the DodecahedronUral Regional School Programming Contest 20101243184

1207Median on the PlaneUSU Local Contest. March 20022161185

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional554185

1133Fibonacci SequenceNEERC 2001 Central Subregional2144186

1152False MirrorsUral Championship 2001. Round 22115188

1114BoxesBulgarian Online Contest September 20012096189

1645Ski RaceAutumn School Contest 20081566191

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1557191

1869New Year CruiseUral FU Championship 20111021191

2095ScrumUral FU Personal Contest 2014275192

1423String TaleTimus Top Coders: First Challenge2115193

2065Different SumsUral Regional School Programming Contest 2015380193

1164FillwordNEERC 2001 Northern Subregional2058194

1208Legendary Teams ContestUSU Local Contest. March 20022069194

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015376195

2070Interesting NumbersUral Regional School Programming Contest 2015371198

1138Integer PercentageNEERC 2001 Central Subregional1997199

1680The First NonqualifyingUSU Personal Contest 20091436199

1112CoverBulgarian Online Contest September 20011981200

1885Passenger ComfortNEERC 2011 Eastern Subregional969200

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional513200

1023ButtonsAutumn School Contest 20006090201

1348Goat in the Garden 2Spring School Contest 20052099201

1987Nested SegmentsUral FU Championship 2013649203

2105Alice and Bob are on BikesUral FU Junior Championship 2016210203

1494MonobilliardsAutumn School Contest 20061846206

2098Lada PrioraUral FU Personal Contest 2014253208

1002Phone NumbersCentral European Olympiad in Informatics 19995815212

1249Ancient NecropolisUSU Local Contest. March 20031906214

1490Fire CircleAutumn School Contest 20061777214

1183Brackets SequenceNEERC 20011853216

1635Mnemonics and PalindromesUSU Championship 20081386216

1515CashmasterTimus Top Coders: Third Challenge1706218

1052Rabbit HuntUSU Local Contest. March 20005412221

1491Unreal StoryAutumn School Contest 20061707222

2024Adventure TimeUral Regional School Programming Contest 2014449225

1011ConductorsUSU Championship 19975446226

1125HopscotchUSU Championship 20011756226

1333Genie Bomber 2Autumn School Contest 20041852226

1795Husband in a ShopUral Regional School Programming Contest 20101007226

1242WerewolfUSU Personal Contest 20031799227

1737Mnemonics and Palindromes 3USU Championship 20091145228

1033LabyrinthUral Championship 19995347229

1204IdempotentsUSU Local Contest. March 20021728232

1355Bald Spot RevisitedSpring School Contest 20051796234

1049Brave BalloonistsUSU Local Contest. March 20005100235

1122GameAutumn School Contest 20011684236

2067Friends and BerriesUral Regional School Programming Contest 2015307237

1303Minimal CoverageUral Championship 19981747238

1205By the Underground or by Foot?USU Local Contest. March 20021677239

1150Page NumbersUral Championship 2001. Round 21661240

1191Catch the thief!Spring School Contest 20021660241

1889Airport AnnouncementsNEERC 2011 Eastern Subregional796243

1247Check a SequenceUSU Personal Contest 20031671244

1590Bacon’s CipherNEERC 2007 Eastern Subregional1378244

1826MinefieldUSU Personal Contest 2011874244

1108HeritageBulgarian Online Contest September 20011611246

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1718246

1922Superhero TeamUral Regional School Programming Contest 2012652247

1603EruditeUSU Personal Contest 20081305248

1200Horns and HoofsUSU Local Contest. March 20021603250

1113JeepBulgarian Online Contest September 20011572252

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014278255

1109ConferenceBulgarian Online Contest September 20011556255

1433DiamondsUSU Personal Contest 20061596255

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1495255

1298KnightSpring School Contest 20041615257

2003Simple MagicUral Regional School Programming Contest 2013502258

1010Discrete FunctionUSTU PhysTech Cup 20004747259

1013K-based Numbers. Version 3405259

1080Map ColoringWinter Mathematical Festival Varna 20014206259

1195Ouths and CrossesSpring School Contest 20021545259

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1407259

1658Sum of DigitsNEERC 2008 Eastern Subregional1143260

1718RejudgeNEERC 2009 Eastern Subregional1004262

1028StarsUral Championship 19994598266

2034CaravansUral Regional School Programming Contest 2014378267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031522268

1998The old PadawanNEERC 2013 Eastern Subregional487268

1684Jack's Last WordUSU Personal Contest 20091062269

1087The Time to Take StonesSpring School Contest 20013999270

1779The Great TeamUral SU Championship 2010844270

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest932271

1823Ideal GasUSU Personal Contest 2011781273

1117HierarchyAutumn School Contest 20011441275

1179Numbers in TextUSU Personal Contest 20021445276

1220StacksUSU Championship 20021465276

1244GentlemenUSU Personal Contest 20031474276

1741Communication FiendUSU Championship 2009946276

1211Collective GuaranteeAutumn School Contest 20021461277

1726VisitsUral Regional School Programming Contest 2009942278

1047Simple CalculationsUSU Local Contest. March 20004256281

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1353282

1537EntsUSU Personal Contest 20071284283

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012567284

1981Parallel and PerpendicularUral FU Championship 2013461284

1501Sense of BeautyNEERC 2006 Eastern Subregional1319286

1018Binary Apple TreeUSU Local Contest. 19994223290

1032Find a MultipleUral Championship 19993676290

1024PermutationsAutumn School Contest 20004184293

1377Lara CroftUral Championship 2005. Round 11435294

1933Guns for Battle!Ural FU Championship 2012543294

2021Scarily interesting!NEERC 2014 Eastern Subregional346294

1184Cable MasterNEERC 20011355295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest853296

1753BookshelfUSU Personal Contest 2010835297

1036Lucky Tickets4086299

1053PinocchioNEERC 2000 Central Subregional3989299

1497Cutting a SquareAutumn School Contest 20061266299

1934Black SpotUral FU Championship 2012530301

1551Sumo TournamentUral Championship 20071182302

1215Exactness of Projectile HitAutumn School Contest 20021326305

1124MosaicUSU Championship 20011281309

1989SubpalindromesUral FU Championship 2013422309

1137Bus RoutesNEERC 2001 Central Subregional1280310

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional728310

1127Colored BricksUSU Championship 20011276311

1190Bar of ChocolateSpring School Contest 20021279312

1153SupercomputerUral Championship 2001. Round 21269313

1116Piecewise Constant FunctionAutumn School Contest 20011262314

1521War Games 2Timus Top Coders: Third Challenge1180315

1227Rally ChampionshipNEERC 2002 Central Subregional1278316

1294Mars SatellitesSpring School Contest 20041310316

1588JamaicaNEERC 2007 Eastern Subregional1053319

2046The First Day at SchoolUral Championship 2015264322

1793Tray 2Ural Regional School Programming Contest 2010703323

1941Scary Martian WordUral FU Personal Contest 2012479323

2104Game with a StripUral FU Junior Championship 2016128324

1320Graph DecompositionUral Championship 2004. Round 21275325

1008Image EncodingUSTU PhysTech Cup 20003757327

1302Delta-waveUral Championship 19981265327

1121BranchesAutumn School Contest 20011208328

1185WallNEERC 20011215328

1517Freedom of ChoiceTimus Top Coders: Third Challenge1133328

1992CVSNEERC 2013 Eastern Subregional393330

1450Russian PipelinesTimus Top Coders: Second Challenge1204331

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014302331

1029MinistryUral Championship 19993203333

2063Black and WhiteUral Regional School Programming Contest 2015216333

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest845335

1904The Lessons of the PastUral Championship 2012483335

1218Episode N-th: The Jedi TournamentUSU Championship 20021198337

1346Intervals of MonotonicityUSU Championship 20041245337

1406Next NumberAutumn School Contest 20051248338

1604Country of FoolsUSU Personal Contest 2008952338

1160NetworkNEERC 2001 Northern Subregional1194339

1201Which Day Is It?USU Local Contest. March 20021176339

2062Ambitious ExperimentUral Regional School Programming Contest 2015212339

2108Oleg and Little PoniesUral FU Junior Championship 2016122339

1156Two RoundsUral Championship 2001. Round 21164341

1223Chernobyl’ Eagle on a RoofUSU Championship 20021184341

1060Flip GameNEERC 20003305342

1648YachtsAutumn School Contest 2008859346

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1044348

1246Tethered DogUSU Personal Contest 20031160350

1431DiplomasUSU Personal Contest 20061158350

1282Game TreeNEERC 2003 Central Subregional1171351

1090In the Army NowUSU Local Contest. March 20012909352

1261TipsAutumn School Contest 20031162353

1651Shortest SubchainNEERC 2008 Eastern Subregional840353

1031Railway TicketsUral Championship 19993445354

1140Swamp IncidentNEERC 2001 Central Subregional1104359

1483Table FootballUSU Championship 20061056359

1262Pseudo-Roman NumberAutumn School Contest 20031138361

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest697361

1292Mars Space StationsSpring School Contest 20041142362

2026Dean and ScheduleUral Regional School Programming Contest 2014276362

1007Code WordsUSU Championship 19973370365

1495One-two, One-two 2Autumn School Contest 20061036365

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional355365

1574Mathematicians and bracketsAutumn School Contest 2007918367

1828Approximation by a ProgressionUSU Personal Contest 2011576368

1356Something EasierSpring School Contest 20051132371

1078SegmentsWinter Mathematical Festival Varna 20012922372

1141RSA Attack1064372

1901Space ElevatorsUral Championship 2012433372

1403CourierAutumn School Contest 20051131373

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest522374

1176HyperchannelsUSU Personal Contest 20021060376

1055CombinationsNEERC 2000 Central Subregional3168377

1039Anniversary PartyUSU Championship 20003193379

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional504381

2047MathsUral Championship 2015222381

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional264382

1003ParityCentral European Olympiad in Informatics 19993217383

1279WarehouseNEERC 2003 Central Subregional1073383

1229Strong BrickworkNEERC 2002 Central Subregional1051384

1259How to Become Star?Autumn School Contest 20031070384

1783Nuclear Arms RaceUral SU Championship 2010591384

1759Long-LiversUSU Personal Contest 2010642385

1963KiteUral FU Personal Contest 2013361387

2078Bowling gameUral Championship 2016138388

1289One Way TicketUSU Personal Contest 20041059390

1995Illegal spicesNEERC 2013 Eastern Subregional331390

1287Mars CanalsUSU Personal Contest 20041055391

2030Awesome Backup SystemUral Regional School Programming Contest 2014254392

1111SquaresBulgarian Online Contest September 20011001394

1427SMSTimus Top Coders: First Challenge1033394

1115ShipsBulgarian Online Contest September 2001999395

1407One-two, One-twoAutumn School Contest 20051066395

1562GM-pineappleUSU Championship 2007853396

1343Fairy TaleUSU Championship 20041055397

1489Points on a ParallelepipedAutumn School Contest 2006952397

1217Unlucky TicketsUSU Championship 20021014398

1923Scary PoliticsUral Regional School Programming Contest 2012398401

1631Drunk King 2USU Championship 2008741402

1350CanteenSpring School Contest 20051040403

1015Test the Difference!USU Local Contest. 19993036404

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest721404

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest480406

1077Travelling Tours971407

1774Barber of the Army of MagesUral SU Championship 2010557407

1107Warehouse ProblemTetrahedron Team Online Contest May 2001958409

1732Ministry of TruthUSU Championship 2009632410

1094E-screenUSU Local Contest. March 20012492411

2081Faulty dialUral Championship 2016130411

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest237412

1221Malevich Strikes Back!USU Championship 2002977413

1252Sorting the TombstonesUSU Local Contest. March 2003983413

1291Gear-wheelsSpring School Contest 2004995415

1513Lemon TaleTimus Top Coders: Third Challenge893415

1602ElevatorUSU Personal Contest 2008772416

1507Difficult DecisionNEERC 2006 Eastern Subregional902417

1128Partition into GroupsUSU Championship 2001946418

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001946418

2099Space InvaderUral FU Personal Contest 2014121418

1571InterpretersUSU Championship 2007799422

1038Spell CheckerUSU Championship 20002844425

1700AwakeningUral Championship 2009657426

1480CouponsUSU Championship 2006885427

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014232427

1181Cutting a Painted PolygonUSU Personal Contest 2002928428

1776Anniversary FireworkUral SU Championship 2010527430

1202Rectangles TravelUSU Local Contest. March 2002921432

1089Verification with a VocabularySpring School Contest 20012488433

1258PoolAutumn School Contest 2003946433

1416ConfidentialUSU Championship 2005965435

1519Formula 1Timus Top Coders: Third Challenge846437

1019Line PaintingUSU Local Contest. 19992799438

1942Attack at the OrbitUral FU Personal Contest 2012350438

1410CrackUSU Championship 2005951441

2071Juice CocktailsUral Regional School Programming Contest 2015160443

2109Tourism on MarsUral FU Junior Championship 201691443

1641DutiesAutumn School Contest 2008666445

1129Door PaintingUSU Championship 2001885446

1890Money out of Thin AirNEERC 2011 Eastern Subregional428447

1900Brainwashing DeviceUral Championship 2012359447

1873GOV ChroniclesUral Regional School Programming Contest 2011427449

1643Attack of the Dark FortressAutumn School Contest 2008652454

1238FoldingNEERC 2002887455

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection302462

1051Simple Game on a GridUSU Local Contest. March 20002570465

1535The Hobbit or There and Back AgainUSU Personal Contest 2007775466

1728Curse on Team.GOVUral Regional School Programming Contest 2009555469

1155TroubleduonsUral Championship 2001. Round 2841470

1316Electronic AuctionUral Championship 2004. Round 1879470

1326Bottle TapsUral Championship 2004. Round 2879470

1189Pairs of IntegersNEERC 2001844471

1072RoutingUSU Personal Contest 20012325472

1273TieUSU Championship 2003863475

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional470477

1430Crime and PunishmentTimus Top Coders: First Challenge850478

1329Galactic HistoryAutumn School Contest 2004869479

1401GamersAutumn School Contest 2005875481

1428Jedi RiddleTimus Top Coders: First Challenge843482

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional331482

1091Tmutarakan ExamsUSU Local Contest. March 20012121483

1162Currency ExchangeNEERC 2001 Northern Subregional819483

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest700483

1971Graphics SettingsUral Championship 2013279485

1236Decoding TaskNEERC 2002829486

1525PathPetrozavodsk Winter 2007. D.Gozman Contest744487

1103Pencils and CirclesTetrahedron Team Online Contest May 2001802488

1628White StreaksUSU Championship 2008605491

1577E-mailAutumn School Contest 2007680494

1579Coat TransportationAutumn School Contest 2007679494

1884Way to the UniversityUral Regional School Programming Contest 2011384498

1095Nikifor 3USU Local Contest. March 20012046500

1212BattleshipAutumn School Contest 2002802501

1322SpyUral Championship 2004. Round 2824501


2074Timus problems classifierQualification of eastern subregional contest 2015120504

1439Battle with You-Know-WhoUral Championship 2006793505

1158Censored!NEERC 2001 Northern Subregional780507

1182Team Them Up!NEERC 2001784507

1871Seismic WavesUral FU Championship 2011377509

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional510511

1414Astronomical DatabaseUSU Championship 2005816513

1066GarlandNEERC 20002190515

1980Road to InvestorUral Championship 2013262515

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014191515

1056Computer NetNEERC 2000 Central Subregional2307517

1045Funny GameUSU Local Contest. March 20002306518

1891Language OceanNEERC 2011 Eastern Subregional368518

1870Zinium 2Ural FU Championship 2011369520

1334CheckersAutumn School Contest 2004793524

1729Dead Man's ChestUral Regional School Programming Contest 2009495525

1069Prufer CodeUSU Personal Contest 20012082527

1366PresentsUral Championship 2005. Round 2794527

1754Explosion in a PyramidUSU Personal Contest 2010466527

1314Chase in SubwayUral Championship 2004. Round 1781528

1600AirportUSU Personal Contest 2008603531

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014184533

1362Classmates 2Ural Championship 2005. Round 2783534

2004Scientists from SpilkovoUral Regional School Programming Contest 2013236536

2064CaterpillarsUral Regional School Programming Contest 2015130538

1101Robot in the FieldTetrahedron Team Online Contest May 2001721542

2089Experienced coachUral Championship 201696542

1143Electric PathDSAP Vietnam Online Contest November 2001725544

1437Gasoline StationUSU Personal Contest 2006742544

1400Cellular CharactersAutumn School Contest 2005770545

2080WalletUral Championship 201695547

2048HistoryUral Championship 2015151549

1004Sightseeing TripCentral European Olympiad in Informatics 19992235550

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005758551

1465Pawn GamePetrozavodsk Winter 2006. USU Contest694553

2009Canteen LineUral Regional School Programming Contest 2013228554

1534Football in GondorUSU Personal Contest 2007648556

1605Devil's SequenceUSU Personal Contest 2008573558

1027D++ AgainAutumn School Contest 20002189559

1650BillionairesNEERC 2008 Eastern Subregional527559

1448Lighting in HogwartsUral Championship 2006711562

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest171562

1713Key SubstringsNEERC 2009 Eastern Subregional459566

1172Ship RoutesRomanian Online Contest December 2001695568

1375Bill CleversUral Championship 2005. Round 1739568

1085MeetingSpring School Contest 20011886571

1698Square Country 5Petrozavodsk Winter 2009. USU Contest492571

1928Another Ecology ProblemUral Regional School Programming Contest 2012277571

1760Infernal WorkUSU Personal Contest 2010428572

1710Boris, You Are Wrong!Ural Championship 2009485574

1421Credit OperationsTimus Top Coders: First Challenge705575

1064Binary SearchNEERC 20001958577

1550Dean's Pyramid 3Ural Championship 2007614577

1071Nikifor 2USU Personal Contest 20011900578

1592Chinese WatchesNEERC 2007 Eastern Subregional576579

1803The Czechs' RiflesNEERC 2010 Eastern Subregional385579

1682Crazy ProfessorUSU Personal Contest 2009486580

1822Hugo II's WarUSU Personal Contest 2011362580

1838Samurai's StrokeUral Championship 2011356580

1061Buffer ManagerNEERC 20001944581

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional170581

1966Cycling RoadsUral FU Personal Contest 2013236584

1358CablesSpring School Contest 2005708590

1706Cipher Message 2Ural Championship 2009471591

1962In Chinese RestaurantUral FU Personal Contest 2013233591

1325DirtUral Championship 2004. Round 2696592

1067Disk TreeNEERC 20001898594

1070Local TimeUSU Personal Contest 20011844595

1059ExpressionNEERC 2000 Central Subregional1997596

1659Regular TrianglesNEERC 2008 Eastern Subregional493596

2060Subpalindrome pairsPalindromic Contest 129596

2092BoleroUral FU Personal Contest 201482596

1445Christmas giftsUral Championship 2006669597

1806Mobile TelegraphsNEERC 2010 Eastern Subregional373598

1701Ostap and PartnersUral Championship 2009463601

1939First SealUral FU Championship 2012260602

1690Army of MagesPetrozavodsk Winter 2009. USU Contest464604


1309DisputeUral Championship 2004. Round 1679606

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest551611

1767The House of Doctor DeeUral Championship 2010391618

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest484623

1332Genie BomberAutumn School Contest 2004663625

1990PodracingNEERC 2013 Eastern Subregional203625

1054Hanoi TowerNEERC 2000 Central Subregional1898627

1866Poetic FootUral FU Championship 2011302631

1542AutocompletionUral Championship 2007559633

1892Morning in KoltsovoNEERC 2011 Eastern Subregional298635


1371Cargo AgencyUral Championship 2005. Round 1655640

1248Sequence SumUSU Personal Contest 2003627643

1254Die HardUSU Local Contest. March 2003627644

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009401645

1452Pascal vs. C++Timus Top Coders: Second Challenge612647

1903Unidentified ShipsUral Championship 2012245647

2106DeserializationUral FU Junior Championship 201659649

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296650

1174Weird PermutationsRomanian Online Contest December 2001605651

1234BricksNEERC 2002615653

1253NecrologuesUSU Local Contest. March 2003618653

1943Space RummyUral FU Personal Contest 2012231655

1564Counting OnesUSU Championship 2007510657

1606SlalomUSU Personal Contest 2008484659

1186Chemical ReactionsNEERC 2001599660

1096Get the Right Route Plate!USU Local Contest. March 20011546661

1500Pass LicensesNEERC 2006 Eastern Subregional562664

1486Equal SquaresUSU Championship 2006565665

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional237666

1961Cantonese DialectUral FU Personal Contest 2013205668

1940Not So Simple YearsUral FU Championship 2012232672

1088Ilya MurometzSpring School Contest 20011592675

1132Square Root581676

1274Fractional ArithmeticNEERC 2003 Central Subregional603677

1286Starship TravelUSU Personal Contest 2004605678

1443RailsUral Championship 2006586680

1755CakeUSU Personal Contest 2010356685

1772Ski-Trails for RobotsUral Championship 2010352685

1994The Emperor's planNEERC 2013 Eastern Subregional184686

1168Radio StationsRomanian Online Contest December 2001571689

1440Training ScheduleUral Championship 2006574694

1633HippogriffsUSU Championship 2008425695

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest549696

1057Amount of DegreesNEERC 2000 Central Subregional1704698

1932The Secret of IdentifierUral FU Championship 2012223698

2008SwiftyUral Regional School Programming Contest 2013179698

1872Spacious OfficeUral FU Championship 2011271701

1250Sea BurialUSU Local Contest. March 2003574702

1305Convex HullUral Championship 1998584703

1230Introspective ProgramNEERC 2002 Central Subregional566707

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest532708

1611DecimationUral Championship 2008445709

1773Metro to Every HomeUral Championship 2010338712

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection192714

1825Ifrit Bomber 2USU Personal Contest 2011292715

1301Cube in LabyrinthUral Championship 1998571718

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest580721

1832Arirang ShowUral Championship 2011284721

1159FenceNEERC 2001 Northern Subregional544723

1169PairsRomanian Online Contest December 2001544723

1629TripUSU Championship 2008408723

1034Queens in Peaceful PositionsUral Championship 19991681724

1484Film RatingUSU Championship 2006518724

1775Space BowlingUral SU Championship 2010308726

1780Gray CodeUral SU Championship 2010307728

1405Goat in the Garden 5Autumn School Contest 2005572731

1830Help in the RNOSUral Championship 2011280731

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012214731

1037Memory ManagementUSU Championship 20001644734

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional213737

1716Alternative SolutionNEERC 2009 Eastern Subregional350738

1593Square Country. Version 2379746

1986Paul’s SaladsUral FU Championship 2013169747

1235Cricket FieldNEERC 2002535749

1016Cube on the WalkUSU Local Contest. 19991624752

1614National Project “Trams”Ural Championship 2008418754

1424MinibusTimus Top Coders: First Challenge534755

1875Angry BirdsUral Regional School Programming Contest 2011250755

1974Similar TunesUral Championship 2013174761

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest123765

1647Divide an Island!Autumn School Contest 2008382767

1392Dreaming of Stars541772

1512ZiniumTimus Top Coders: Third Challenge475772

1646Godzilla Strikes Back!Autumn School Contest 2008379773

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional286773

1988Planet Ocean LandingUral FU Championship 2013162777

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest430779

2103Corporate MailUral FU Junior Championship 201647785

1042Central HeatingUSU Championship 20001532787

1587Flying PigNEERC 2007 Eastern Subregional420789

1379Cups TransportationUral Championship 2005. Round 1528791

1276TrainNEERC 2003 Central Subregional512795

1323ClassmatesUral Championship 2004. Round 2515796

1105Observers ColoringTetrahedron Team Online Contest May 2001485800

1996Cipher Message 3NEERC 2013 Eastern Subregional156802

1738Computer SecurityUSU Championship 2009318803

1030TitanicUral Championship 19991514804

1689Fisherman and BarbellUSU Personal Contest 2009348804

1268Little ChuUSU Championship 2003504806

1456Jedi Riddle 2Timus Top Coders: Second Challenge489806

1269Obscene Words FilterUSU Championship 2003502809

1547Password SearchUral Championship 2007430818

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest457822

1720Summit Online JudgeNEERC 2009 Eastern Subregional313822

1147Shaping RegionsDSAP Vietnam Online Contest November 2001476823

1277Cops and ThievesNEERC 2003 Central Subregional493825

2052Physical EducationUral Championship 201597825

1436BillboardUSU Personal Contest 2006480835

1165SubnumberNEERC 2001 Northern Subregional469836

1705Gangster HaresUral Championship 2009330836

1927Herbs and MagicUral Regional School Programming Contest 2012185840

2017Best of a bad lotNEERC 2014 Eastern Subregional114843

1936RoshamboUral FU Championship 2012181851

1342EnterpriseUSU Championship 2004486853

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest444857

1578Mammoth HuntAutumn School Contest 2007386860

1373Pictura ex MachinaUral Championship 2005. Round 1484861

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest246861

1824Ifrit BomberUSU Personal Contest 2011239867

1715Another Ball KillerNEERC 2009 Eastern Subregional296868

1154Mages ContestUral Championship 2001. Round 2450870

1006Square FramesUSU Championship 19971399875

1498Stroke at Full SpeedAutumn School Contest 2006423881

1970皇后像廣場Ural FU Personal Contest 2013153881

1905Travel in TimeUral Championship 2012176887

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest403889

1630TalismanUSU Championship 2008330889

1324Extra SpacesUral Championship 2004. Round 2457894

1580Dean's DebtsAutumn School Contest 2007369899

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest274899

1245PicturesUSU Personal Contest 2003445901

1233Amusing NumbersNEERC 2002442903

1608Lucky Tickets 2008Ural Championship 2008347903

1237Evacuation PlanNEERC 2002442904

1175Strange SequenceUSU Personal Contest 2002430913

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest303915

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest268919

1364LaraKillerUral Championship 2005. Round 2450921

1285Thread in a HyperspaceUSU Personal Contest 2004442922

1761Binary PalindromeUSU Personal Contest 2010261925

1921Chaos and OrderUral Regional School Programming Contest 2012167925

2093All Roads Lead to SnowdriftUral FU Personal Contest 201449929

1422FirefliesTimus Top Coders: First Challenge430934

1965Pear TreesUral FU Personal Contest 2013143938

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest318939

1948The Robot on the LineUral FU Personal Contest 2012158939

1949The Best Picture in the GalaxyUral FU Personal Contest 2012157945

1575Yekaterinburg Subway 2Autumn School Contest 2007350946

1836Babel FishUral Championship 2011214947

1278“… Connecting People”NEERC 2003 Central Subregional427949

1398Bishop and Pawn382951

1937Davy Jones’s OrganUral FU Championship 2012161951

1827Indigenous WarsUSU Personal Contest 2011216955

1784RoundersUral SU Championship 2010231958

1730ManBearPigUral Regional School Programming Contest 2009266960

1339BabiesUSU Championship 2004430961

1863Peaceful AtomUral FU Championship 2011195961

1976Game OptimizationUral Championship 2013135966

1591Abstract ThinkingNEERC 2007 Eastern Subregional340969

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest95969

1040Airline CompanyUSU Championship 20001237973

1451Beerhouse TaleTimus Top Coders: Second Challenge403974

1569Networking the “Iset”USU Championship 2007339978

1435Financial ErrorUSU Personal Contest 2006407981

1883Ent's BirthdayUral Regional School Programming Contest 2011190981

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest339983

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest287986

1979Resources DistributionUral Championship 2013132986

1130Nikifor's WalkUSU Championship 2001394988

1418Military StoryUSU Championship 2005418990

1331VladislavaAutumn School Contest 2004414993

1887Frequent Flyer CardNEERC 2011 Eastern Subregional187993

1907Coffee and BunsUral Championship 20121551000

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1861014

2110Remove or MaximizeUral FU Junior Championship 2016341017

1768Circular StringsUral Championship 20102321025

1539Intelligence DataUSU Personal Contest 20073461027

1983Nectar GatheringUral FU Championship 20131201028

1075Thread in a SpaceUSU Personal Contest 200110581033

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3661035

1570Eating HighUSU Championship 20073201035

1518Jedi Riddle 3Timus Top Coders: Third Challenge3511037

1173Lazy SnailRomanian Online Contest December 20013741043

1151RadiobeaconsUral Championship 2001. Round 23681059

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102061066

1862Very Wealthy MoleUral FU Championship 20111731076

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2561077

2055Urban GeographyUral Championship 2015721077

1317HailUral Championship 2004. Round 23771079

1879GOV-internship 2Ural Regional School Programming Contest 20111711085

1341DeviceUSU Championship 20043791087

1722Observation DeckUral Regional School Programming Contest 20092331090

1434Buses in VasyukiUSU Personal Contest 20063651091

1447Portkey NetworkUral Championship 20063611093

1790Searching for the TruthUral Regional School Programming Contest 20102001096

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2221101

1968Glass PyramidUral FU Personal Contest 20131201104

1687Numismatics for FunUSU Personal Contest 20092501107

1540Battle for the RingUSU Personal Contest 20073151125

1444ElephpotamusUral Championship 20063501127

1627JoinPetrozavodsk Winter 2008. ITMO Contest2621132

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1641143

1595Perfect Sequence2331146

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3241150

1736Chinese HockeyUSU Championship 20092181156

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3571159

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2441161

1896War Games 2.1421161

1511Fiscal OperationsTimus Top Coders: Third Challenge3121163

1533Fat HobbitsUSU Personal Contest 20073031168

1458War GamesTimus Top Coders: Second Challenge3341169

1408Polynomial MultiplicationAutumn School Contest 20053521175

1357Teakettle 1.0 for DummiesSpring School Contest 20053501176

2007Mutants versus MachinesUral Regional School Programming Contest 20131021178

1544Classmates 3Ural Championship 20072951180

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1571194

1453QueenTimus Top Coders: Second Challenge3261197

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2011211

1359ConstructionSpring School Contest 20053391213

2097Snowboarding on SpilnayaUral FU Personal Contest 2014351218

1393Average Common Prefix3351219

2085Magic ProgrammerUral Championship 2016371223

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2671224

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1701224

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3071227

1310ACM DiagnosticsUral Championship 2004. Round 13301228

1807Cartridges for MaximNEERC 2010 Eastern Subregional1761231

1307ArchiverUral Championship 2004. Round 13291232

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3011235

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1231236

1035Cross-stitchUral Championship 19999751241

1546Japanese SortingUral Championship 20072801242

1099Work Scheduling7371246

1985Prime SquareUral FU Championship 2013971249

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2641252

1766Humpty DumptyUral Championship 20101881252

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1661252

1487Chinese FootballUSU Championship 20062931262

1538Towers of GuardUSU Personal Contest 20072781269

1946Chinese Hockey 3Ural FU Personal Contest 20121141273

1321Floor IndicatorUral Championship 2004. Round 23161281

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1971283

1657Cube SnakeNEERC 2008 Eastern Subregional2231287

1669Universal WordPetrozavodsk Winter 2008. USU Contest2191288

1171Lost in SpaceRomanian Online Contest December 20013001292

1686Photovoltaic SpaceshipUSU Personal Contest 20092111303

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2711306

1177Like ComparisonsUSU Personal Contest 20022961313

2101Knight's ShieldUral FU Junior Championship 2016241316

1360Philosophical DisputeUral Championship 2005. Round 23101325

1947MeanderUral FU Personal Contest 20121091326

1097Square Country 2USU Local Contest. March 20017651327

1328FireballAutumn School Contest 20043071328

1065FrontierNEERC 20008421332

1050Preparing an ArticleUSU Local Contest. March 20008901333

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection981335

2059Not common palindromesPalindromic Contest 521337

1281River BasinNEERC 2003 Central Subregional2991342

1441From the History of Gringotts BankUral Championship 20062901352

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1361362

1311Stable ConstructionUral Championship 2004. Round 12961365

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2571375

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest641375

1318LogarithmUral Championship 2004. Round 22921383

1499KerchiefsAutumn School Contest 20062661383

1449Credit Operations 2Timus Top Coders: Second Challenge2791392

1240Heroes of Might and MagicNEERC 20022831393

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2111393

1419Maps of the Island WorldsUSU Championship 20052941394

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2531396

2107Oppa Funcan StyleUral FU Junior Championship 2016221398

1345HTMLUSU Championship 20042901410

1762Search for a Hiding-PlaceUSU Personal Contest 20101671416

1950Martian FarmlandsUral FU Personal Contest 20121011422

1299PsyloniansSpring School Contest 20042801438

1265MirrorUSU Championship 20032781439

1347BlogSpring School Contest 20052841440

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection901442

1266Kirchhoff's LawUSU Championship 20032761449

1170DesertRomanian Online Contest December 20012661451

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1471458

1412Autumn TideUSU Championship 20052771476

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1621485

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2481488

1770The Party of Ural ChampionsUral Championship 20101561494

1251Cemetery ManagerUSU Local Contest. March 20032631502

1043Cover an ArcUSU Championship 20007951508

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional981522

1886Trip 2NEERC 2011 Eastern Subregional1171541

1241Inlay CuttersNEERC 20022521559

1568Train Car SortingUSU Championship 20072091559

1802Cube PuzzleNEERC 2010 Eastern Subregional1361568

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2611570

1488ACM PokerUSU Championship 20062331574

20503D-modelingUral Championship 2015461577

1337BureaucracyAutumn School Contest 20042561582

1565The Duel for ThreeUSU Championship 20072051588

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1131591

1908Brute-force SearchUral Championship 2012931602

1764TranssibUral Championship 20101441610

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest531615

1670AsteriskPetrozavodsk Summer 2008. USU Contest1711618

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1711618

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection791620

1485Football and LieUSU Championship 20062251627

1257HyphenationAutumn School Contest 20032401657

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1231657

1583CheeseNEERC 2007 Eastern Subregional1931671

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1951673

1782Jack's New WordUral SU Championship 20101281673

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1421680

1508Japanese PuzzleNEERC 2006 Eastern Subregional2141696

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1621703

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1621703

1338AutomobilesUSU Championship 20042371712

1707Hypnotoad's SecretUral Championship 20091561713

1378Artificial IntelligenceUral Championship 2005. Round 12381715

1420Integer-Valued Complex DivisionUSU Championship 20052371715

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2161721

1062TriathlonNEERC 20006471726

1516NostalgiaTimus Top Coders: Third Challenge2051741

1734Endgame DatabaseUSU Championship 20091411745

1046Geometrical DreamsUSU Local Contest. March 20006731756

1610CactusesUral Championship 20081711782

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012141785

1425Queen 2Timus Top Coders: First Challenge2191794

1841CablewaysPetrozavodsk Summer 2010. USU Contest1011796

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011796

1514National ParkTimus Top Coders: Third Challenge1971808

1831Tsyfirkin's LessonUral Championship 20111071813

1615Tram SolitaireUral Championship 20081671822

1503PolynomialNEERC 2006 Eastern Subregional1981827

2096All InclusiveUral FU Personal Contest 2014201827

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1901835

1702CrossroadUral Championship 20091451835

1417Space Poker 2USU Championship 20052201842

1757Gold BarsUSU Personal Contest 20101261843

1492Vasya's Dad 2Autumn School Contest 20061971844

1304ParallelepipedUral Championship 19982161847

1093DartsUSU Local Contest. March 20015431860

1781Clean CodeUral SU Championship 20101141862

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest961876

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1461877

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1261878

1703Robotic ArmUral Championship 20091411883

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1461891

1163ChapaevNEERC 2001 Northern Subregional2011898

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1451903

1532Lost in TranslationUSU Personal Contest 20071811914

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015241927

2058100500 palidnromesPalindromic Contest 331928

1397Points Game1891930

1148Building TowersDSAP Vietnam Online Contest November 20011971932

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1041933

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2101934

1455Freedom of SpeechTimus Top Coders: Second Challenge1981934

1839The MentaculusUral Championship 2011991946

1216Two Pawns and One KingUSU Championship 20021981958

1267Yekaterinburg SubwayUSU Championship 20032011964

1187Statistical TroubleNEERC 20011941972

1634Spider MiteUSU Championship 20081421988

1315MDPAR and MIIARUral Championship 2004. Round 12001989

1396Maximum. Version 21892011

1541ChaseUSU Personal Contest 20071712020

1969Hong Kong TramUral FU Personal Contest 2013602051

1041NikiforUSU Championship 20005802057

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1882057

1978E-LiteUral Championship 2013582060

1063Domino PuzzleNEERC 20005402061

1074Very Short ProblemUSU Personal Contest 20015182089

1188LibraryNEERC 20011822095

1288AstrolocationUSU Personal Contest 20041882105

1867NanotechnologiesUral FU Championship 2011832117

1977Energy WallUral Championship 2013562122

2083The Guardian of TraditionsUral Championship 2016172128

2022Riding a ToadNEERC 2014 Eastern Subregional392133

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional672135

1092TransversalUSU Local Contest. March 20014712139

1655Somali PiratesNEERC 2008 Eastern Subregional1302143

1232Asteroid LandingNEERC 2002 Central Subregional1802144

1543Dance RevolutionUral Championship 20071572156

1549Another Japanese PuzzleUral Championship 20071572156

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest922160

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21832196

1504Good MannersNEERC 2006 Eastern Subregional1632196

2053BiologyUral Championship 2015302208

1256Cemetery GuardUSU Local Contest. March 20031742228

1717Eligibility RulesNEERC 2009 Eastern Subregional1072270

1284Space PokerUSU Personal Contest 20041732278

2090Crossroads of DestinyUral FU Personal Contest 2014142284

2084Technical debtUral Championship 2016152299

1833Hopes of RowingUral Championship 2011822305

1270UnicubeUSU Championship 20031692315

1850Space TourismPetrozavodsk Summer 2010. USU Contest762318

1945Many-armed BrothersUral FU Personal Contest 2012582321

1481Winning ChancesUSU Championship 20061542332

1972Game TestingUral Championship 2013502334

1368Goat in the Garden 3Ural Championship 2005. Round 21712342

1652Banking CrisisNEERC 2008 Eastern Subregional1182344

1895Steaks on BoardNEERC 2011 Eastern Subregional732358

1882Old NokiaUral Regional School Programming Contest 2011732365

1835Swamp DoctorUral Championship 2011782410

1758Bald Spot Revisited 2USU Personal Contest 2010942411

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest322422

1735Theft of the CenturyUSU Championship 2009982440

1739FaryuksUSU Championship 2009972462

1829Routing TablesUSU Personal Contest 2011772482

1275Knights of the Round TableNEERC 2003 Central Subregional1562498

2087TrainsUral Championship 2016132498

2051PhysicsUral Championship 2015252523

1454Rectangles 2Timus Top Coders: Second Challenge1482546

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional942554

1520Empire Strikes BackTimus Top Coders: Third Challenge1362564

1599Winding Number202567

1300TaxesUral Championship 19981522576

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1232579

1865The Island of MärketUral FU Championship 2011662591

1308Dean's PyramidUral Championship 2004. Round 11502611

1798Fire Circle. Version 2212619

1704DemodulationUral Championship 2009982633

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest652651

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest732655

2006Kirill the GardenerUral Regional School Programming Contest 2013392692

1609Tram TileUral Championship 20081092710

1312TrayUral Championship 2004. Round 11442712

1239Ghost BustersNEERC 20021402720

1694Killer WordsPetrozavodsk Winter 2009. USU Contest952728

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest972757

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932781

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional492786

1566Triangular PostcardsUSU Championship 20071122799

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1272803

1395Pascal vs. C++. Version 21332808

1505Oil TransferNEERC 2006 Eastern Subregional1252815

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection412827

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest602848

1637Triangle Game 2USU Championship 2008952878

1058ChocolateNEERC 2000 Central Subregional4022899

1482Triangle GameUSU Championship 20061202942

1464LightPetrozavodsk Winter 2006. USU Contest1222947

2061OEIS A216264Palindromic Contest 182961

1438Time Limit ExceededUSU Personal Contest 20061263008

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest563012

2079Memory leaksUral Championship 201693025

141140 Islands KnightsUSU Championship 20051303026

1367Top SecretUral Championship 2005. Round 21303028

1975Model of the EarthUral Championship 2013363045

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest843047

1681Brother Bear's GardenUSU Personal Contest 2009843062

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection373067

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest733077

1442Floo PowderUral Championship 20061213096

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest543106

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection363134

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest883141

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest603148

2049ChemistryUral Championship 2015183154

1909Space ReconUral Championship 2012423173

1429BiscuitsTimus Top Coders: First Challenge1193184

2086Find DenisUral Championship 201683193

1622EndspielPetrozavodsk Winter 2008. ITMO Contest863207

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest213282

1597Chernobyl’ Eagle on a Roof. Version 2233294

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1083296

2057Non-palidromic cuttingPalindromic Contest 153316

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional393355

1834Tennis RacketUral Championship 2011533366

1166Funny Card GameNEERC 2001 Northern Subregional1133368

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1143432

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest483437

1778Chinese Hockey 2Ural SU Championship 2010563497

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest533498

2088Nostalgic EveningUral Championship 201663511

1938Caribbean TriangleUral FU Championship 2012363534

1616Square Country 4Ural Championship 2008813544

1509Domino RecognitionNEERC 2006 Eastern Subregional973551


1847ZamkadyePetrozavodsk Summer 2010. USU Contest453624

1765Error 404Ural Championship 2010583646

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest843649

1733Forgotten TechnologyUSU Championship 2009623659

1632LasersUSU Championship 2008723685

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection283794

1598DSA Attack183808

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1003868

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest163913

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest823989

2077ReductionsQualification of eastern subregional contest 201564095

1967Programmer CasinoUral FU Personal Contest 2013254102

1661DodecahedronPetrozavodsk Winter 2008. USU Contest614154

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest824173

2094Thousand ImpsUral FU Personal Contest 201434216

1460WiresPetrozavodsk Winter 2006. USU Contest824228

1973Location GeneratorUral Championship 2013234244

1999The secret moduleNEERC 2013 Eastern Subregional214292

2082PokerUral Championship 201634384

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest574403

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest774413

1271Sailing DirectionsUSU Championship 2003824505

1344Gigantic TurnipUSU Championship 2004834548

1594Aztec Treasure504645

2054AstronomyUral Championship 201594647

1340CucarachaUSU Championship 2004814648

2076VasianaQualification of eastern subregional contest 201544679

2016Magic and ScienceNEERC 2014 Eastern Subregional124751

1797Summit Online Judge. Version 2254761

1799Sasha and swag strings64799

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest114844

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest494855

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest694860

1771A Deputy's MorningUral Championship 2010414861

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest515046

1763Expert FleaUral Championship 2010395060

1365Testing CalculatorUral Championship 2005. Round 2735107

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest735127

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest505131

1426RectanglesTimus Top Coders: First Challenge695200

1801The Revolution CupNEERC 2010 Eastern Subregional345202

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest715253

1372Death StarUral Championship 2005. Round 1675525

1848Fly HuntPetrozavodsk Summer 2010. USU Contest255696

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest565817

1842Local RootsPetrozavodsk Summer 2010. USU Contest245863

1668Death Star 2Petrozavodsk Winter 2008. USU Contest396020

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest236024

1906The Lost CivilizationUral Championship 2012166346

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366412

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional366521

1363HalftonesUral Championship 2005. Round 2546623

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest236677

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336810

1653Death ConveyorNEERC 2008 Eastern Subregional346818

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356840

1536Delights of Pipe-weedUSU Personal Contest 2007417168

1840Victim of AdvertisingUral Championship 2011197314

1596Knight Mare157358

1432Twofold LuckUSU Personal Contest 2006437718

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest297893

1376Dean's Pyramid 2Ural Championship 2005. Round 1388863

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest238874

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection69008

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest289025

1415Mobile LifeUSU Championship 2005369208

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3010638

1399Economical Director2410952

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1611018

1374MisereUral Championship 2005. Round 12811196

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1611262

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1911826

1708Sum of Digits 2Ural Championship 20091411845

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2012233

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2213298

1369Cockroach RaceUral Championship 2005. Round 21914616

1548Sakura and StatisticsUral Championship 20071415002

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1417730

1589SokobanNEERC 2007 Eastern Subregional424224

1394Ships. Version 2528370