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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7148218

1001Reverse Root2038718

1785Lost in LocalizationUral Regional School Programming Contest 20101181418

1293EniyaSpring School Contest 20041953821

1409Two GangstersAutumn School Contest 20051879222

1877Bicycle CodesUral Regional School Programming Contest 2011817222

2012About Grisha N.NEERC 2014 Eastern Subregional392423

1820Ural SteaksUSU Personal Contest 2011752127

1787Turn for MEGAUral Regional School Programming Contest 2010745429

2001Mathematicians and BerriesUral Regional School Programming Contest 2013405129

1264WorkdaysAutumn School Contest 20031356830

1197Lonesome KnightSpring School Contest 20021220032

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011569432

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional437135

1639Chocolate 2Autumn School Contest 2008803136

1924Four ImpsUral Regional School Programming Contest 2012407137

1313Some Words about SportUral Championship 2004. Round 1993841

2023Donald is a postmanNEERC 2014 Eastern Subregional219241

1068Sum2547643

12091, 10, 100, 1000...Autumn School Contest 2002927143

1319HotelUral Championship 2004. Round 2924344

1567SMS-spamUSU Championship 2007752544

1225FlagsNEERC 2002 Central Subregional885645

1581TeamworkAutumn School Contest 2007730245

2066Simple ExpressionUral Regional School Programming Contest 2015129247

1263ElectionsAutumn School Contest 2003836848

1585PenguinsNEERC 2007 Eastern Subregional671049

1876Centipede's MorningUral Regional School Programming Contest 2011357151

1991The battle near the swampNEERC 2013 Eastern Subregional235051

1100Final StandingsTetrahedron Team Online Contest May 2001744552

1327FusesAutumn School Contest 2004773053

1881Long problem statementUral Regional School Programming Contest 2011336255

1893A380NEERC 2011 Eastern Subregional330255

1243Divorce of the Seven DwarfsUSU Personal Contest 2003714156

1493One Step from HappinessAutumn School Contest 2006661056

1110PowerBulgarian Online Contest September 2001682357

1349FarmSpring School Contest 2005715458

1607TaxiUSU Personal Contest 2008539058

1496SpammerAutumn School Contest 2006617060

1545HieroglyphsUral Championship 2007572661

1925British Scientists Save the WorldUral Regional School Programming Contest 2012242162

1636Penalty TimeUSU Championship 2008460563

1837Isenbaev's NumberUral Championship 2011315763

1196History ExamSpring School Contest 2002614264

1149Sinus Dances595766

1654Cipher MessageNEERC 2008 Eastern Subregional435066

1723Sandro's BookUral Regional School Programming Contest 2009375167

2002Test TaskUral Regional School Programming Contest 2013175167

1563BayanUSU Championship 2007483868

1617Flat SpotsUral Championship 2008457168

2035Another Dress RehearsalUral Regional School Programming Contest 2014128369

1131CopyingUSU Championship 2001554170

1457Heating MainTimus Top Coders: Second Challenge551571

1025Democracy in DangerAutumn School Contest 20001675672

1224SpiralNEERC 2002 Central Subregional550672

2005Taxi for ProgrammersUral Regional School Programming Contest 2013161673

1792Hamming CodeUral Regional School Programming Contest 2010289875

1083Factorials!!!Spring School Contest 20011386876

1712Cipher GrilleNEERC 2009 Eastern Subregional328077

1935Tears of DrownedUral FU Championship 2012193377

2011Long StatementUral Regional School Programming Contest 2013149779

2031Overturned NumbersUral Regional School Programming Contest 2014112779

1502Domino DotsNEERC 2006 Eastern Subregional460380

1139City BlocksNEERC 2001 Central Subregional475182

1194HandshakesSpring School Contest 2002480782

1106Two TeamsTetrahedron Team Online Contest May 2001464783

1290SabotageSpring School Contest 2004487384

1638BookwormUSU Championship 2008346584

1120Sum of Sequential NumbersAutumn School Contest 2001455085

1404Easy to Hack!Autumn School Contest 2005488785

1119MetroAutumn School Contest 2001443488

1180Stone GameUSU Personal Contest 2002444988

2068Game of NutsUral Regional School Programming Contest 201566191

1601AntiCAPSUSU Personal Contest 2008340992

1902Neo-VeniceUral Championship 2012164292

1297PalindromeSpring School Contest 2004436993

1005Stone PileUSU Championship 19971283994

1161StripiesNEERC 2001 Northern Subregional416094

1510OrderNEERC 2006 Eastern Subregional394894

1146Maximum SumDSAP Vietnam Online Contest November 2001410195

1796Amusement ParkUral Regional School Programming Contest 2010230095

16421D MazeAutumn School Contest 2008302196

2025Line FightingUral Regional School Programming Contest 201492196

2056ScholarshipUral Championship 201576496

1446Sorting HatUral Championship 2006408397

2033DevicesUral Regional School Programming Contest 201491897

1009K-based NumbersUSU Championship 19971221998

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001394398

1644A Whole Lot of WalnutsAutumn School Contest 2008295598

1731DillUral Regional School Programming Contest 2009257698

1786Sandro's BiographyUral Regional School Programming Contest 2010221098

1370MagicianUral Championship 2005. Round 2417299

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131161101

1203Scientific ConferenceUSU Local Contest. March 20023813103

1214Strange ProcedureAutumn School Contest 20023871103

1136ParliamentNEERC 2001 Central Subregional3744104

1118Nontrivial NumbersAutumn School Contest 20013719105

1228ArrayNEERC 2002 Central Subregional3772105

1020RopeAutumn School Contest 200011279106

1014Product of DigitsUSU Local Contest. 199911151108

1777AnindilyakwaUral SU Championship 20102021108

1873GOV ChroniclesUral Regional School Programming Contest 20111697108

1296HyperjumpSpring School Contest 20043749109

1573AlchemyAutumn School Contest 20073022109

1330IntervalsAutumn School Contest 20043739110

1126Magnetic StormsUSU Championship 20013422114

1192Ball in a DreamSpring School Contest 20023435114

1079MaximumWinter Mathematical Festival Varna 20019236115

1082Gaby IvanushkaSpring School Contest 20019207115

1226esreveR redrONEERC 2002 Central Subregional3407117

1582BookmakersNEERC 2007 Eastern Subregional2804117

1044Lucky Tickets. Easy!USU Championship 200010024118

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional759118

1219Symbolic SequenceUSU Championship 20023297120

1086CryptographySpring School Contest 20018701121

1711Code NamesNEERC 2009 Eastern Subregional2087121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023211122

1353Milliard Vasya's FunctionSpring School Contest 20053399122

2018The Debut AlbumNEERC 2014 Eastern Subregional730123

1123SalaryAutumn School Contest 20013108125

2000Grand Theft Array VUral Regional School Programming Contest 2013940125

1260Nudnik PhotographerAutumn School Contest 20033192127

1283DwarfUSU Personal Contest 20043171128

1336Problem of Ben BetsalelAutumn School Contest 20043211128

1683FridgeUSU Personal Contest 20092135129

1688Team.GOV!USU Personal Contest 20092130129

1868Prediction ContestUral FU Championship 20111397131

1725Sold Out!Ural Regional School Programming Contest 20091904133

1982Electrification PlanUral FU Championship 2013881135

1022Genealogical TreeAutumn School Contest 20008792136

1352Mersenne PrimesSpring School Contest 20053026137

1964Chinese DialectsUral FU Personal Contest 2013927139

1021Sacrament of the SumAutumn School Contest 20008576140

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101545140

1222Chernobyl’ EaglesUSU Championship 20022810141

1402CocktailsAutumn School Contest 20052943141

1931Excellent TeamUral FU Championship 20121055141

1740Deer is Better!USU Championship 20091748143

1612Tram ForumUral Championship 20082156144

1026Questions and AnswersAutumn School Contest 20008266145

1142RelationsDSAP Vietnam Online Contest November 20012678145

1178Akbardin’s RoadsUSU Personal Contest 20022653147

1576Telephone TariffsAutumn School Contest 20072235147

1864Get-Together at Den'sUral FU Championship 20111244147

1984Dummy GuyUral FU Championship 2013808147

1084Goat in the GardenSpring School Contest 20017134148

1821BiathlonUSU Personal Contest 20111361149

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional785151

2073Log FilesUral Regional School Programming Contest 2015395151

1572Yekaterinozavodsk Great WellAutumn School Contest 20072153153

2069Hard RockUral Regional School Programming Contest 2015386154

1167Bicolored HorsesRomanian Online Contest December 20012508155

1210Kind SpiritsAutumn School Contest 20022548156

1756One and a Half DiggersUSU Personal Contest 20101504158

1073Square CountryUSU Personal Contest 20016750159

1306Sequence MedianUral Championship 19982561159

1709Penguin-AviaUral Championship 20091701160

1295Crazy NotionsSpring School Contest 20042526161

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional919163

1017StaircasesUSU Local Contest. 19997331164

1135RecruitsNEERC 2001 Central Subregional2361165

1157Young TilerUral Championship 2001. Round 22357165

1280Topological SortingNEERC 2003 Central Subregional2440166

1878Rubinchik's CubeUral Regional School Programming Contest 20111098166

1613For Fans of StatisticsUral Championship 20081854167

1874Football GoalUral Regional School Programming Contest 20111091167

1354Palindrome. Again PalindromeSpring School Contest 20052457168

1506Columns of NumbersNEERC 2006 Eastern Subregional2199168

1213Cockroaches!Autumn School Contest 20022325170

1272Non-Yekaterinburg SubwayUSU Championship 20032356171

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101267171

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional873172

1012K-based Numbers. Version 26930173

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional514173

1586Threeprime NumbersNEERC 2007 Eastern Subregional1873175

1944Record of the Attack at the OrbitUral FU Personal Contest 2012820175

1640Circle of WinterAutumn School Contest 20081640176

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1594176

1769Old Ural LegendUral Championship 20101336176

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1054176

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091424177

1335White ThesisAutumn School Contest 20042310178

1413Mars JumperUSU Championship 20052318178

1685OrthographyUSU Personal Contest 20091543178

1800Murphy's LawNEERC 2010 Eastern Subregional1211178

1930Ivan's CarUral Regional School Programming Contest 2012838178

1193Queue at the ExamSpring School Contest 20022181179

1134CardsNEERC 2001 Central Subregional2164180

1789Searching for the DodecahedronUral Regional School Programming Contest 20101187182

1048Superlong SumsUSU Local Contest. March 20006366183

1102Strange DialogTetrahedron Team Online Contest May 20012104183

1133Fibonacci SequenceNEERC 2001 Central Subregional2075187

1207Median on the PlaneUSU Local Contest. March 20022090187

1869New Year CruiseUral FU Championship 2011977187

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1517189

1114BoxesBulgarian Online Contest September 20012037190

1164FillwordNEERC 2001 Northern Subregional2023192

1645Ski RaceAutumn School Contest 20081503192

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional464192

1208Legendary Teams ContestUSU Local Contest. March 20022012195

1152False MirrorsUral Championship 2001. Round 21985196

1423String TaleTimus Top Coders: First Challenge2026197

1885Passenger ComfortNEERC 2011 Eastern Subregional921197

1680The First NonqualifyingUSU Personal Contest 20091392198

1138Integer PercentageNEERC 2001 Central Subregional1954199

1023ButtonsAutumn School Contest 20005961201

1112CoverBulgarian Online Contest September 20011932201

2065Different SumsUral Regional School Programming Contest 2015291203

1348Goat in the Garden 2Spring School Contest 20052023204

1494MonobilliardsAutumn School Contest 20061767209

1987Nested SegmentsUral FU Championship 2013567209

1249Ancient NecropolisUSU Local Contest. March 20031899210

1002Phone NumbersCentral European Olympiad in Informatics 19995665212

1200Horns and HoofsUSU Local Contest. March 20021827214

2070Interesting NumbersUral Regional School Programming Contest 2015276214

1490Fire CircleAutumn School Contest 20061714216

2024Adventure TimeUral Regional School Programming Contest 2014404217

1183Brackets SequenceNEERC 20011784219

1515CashmasterTimus Top Coders: Third Challenge1656219

1635Mnemonics and PalindromesUSU Championship 20081308221

1052Rabbit HuntUSU Local Contest. March 20005271222

1491Unreal StoryAutumn School Contest 20061658223

1011ConductorsUSU Championship 19975357224

1737Mnemonics and Palindromes 3USU Championship 20091112225

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015261225

1125HopscotchUSU Championship 20011719226

1033LabyrinthUral Championship 19995241228

1333Genie Bomber 2Autumn School Contest 20041790229

1795Husband in a ShopUral Regional School Programming Contest 2010944229

1242WerewolfUSU Personal Contest 20031736230

1204IdempotentsUSU Local Contest. March 20021665235

1049Brave BalloonistsUSU Local Contest. March 20004964236

1122GameAutumn School Contest 20011641236

1150Page NumbersUral Championship 2001. Round 21633238

1889Airport AnnouncementsNEERC 2011 Eastern Subregional762238

1355Bald Spot RevisitedSpring School Contest 20051727239

1826MinefieldUSU Personal Contest 2011843239

1922Superhero TeamUral Regional School Programming Contest 2012621239

1191Catch the thief!Spring School Contest 20021625240

1205By the Underground or by Foot?USU Local Contest. March 20021629240

1303Minimal CoverageUral Championship 19981689240

2067Friends and BerriesUral Regional School Programming Contest 2015241243

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1695244

1247Check a SequenceUSU Personal Contest 20031626245

1108HeritageBulgarian Online Contest September 20011575246

1603EruditeUSU Personal Contest 20081260248

1113JeepBulgarian Online Contest September 20011548250

2003Simple MagicUral Regional School Programming Contest 2013463251

1998The old PadawanNEERC 2013 Eastern Subregional466252

1433DiamondsUSU Personal Contest 20061567254

1109ConferenceBulgarian Online Contest September 20011519255

1298KnightSpring School Contest 20041592255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014160256

1010Discrete FunctionUSTU PhysTech Cup 20004666257

1590Bacon’s CipherNEERC 2007 Eastern Subregional1268257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1375258

1718RejudgeNEERC 2009 Eastern Subregional977258

1080Map ColoringWinter Mathematical Festival Varna 20014099259

1195Ouths and CrossesSpring School Contest 20021510259

1779The Great TeamUral SU Championship 2010818265

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031496266

2021Scarily interesting!NEERC 2014 Eastern Subregional331266

1658Sum of DigitsNEERC 2008 Eastern Subregional1075267

1823Ideal GasUSU Personal Contest 2011754267

1028StarsUral Championship 19994455268

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1388268

1087The Time to Take StonesSpring School Contest 20013902270

1684Jack's Last WordUSU Personal Contest 20091016270

1220StacksUSU Championship 20021457271

1981Parallel and PerpendicularUral FU Championship 2013433272

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012544273

1179Numbers in TextUSU Personal Contest 20021424274

1726VisitsUral Regional School Programming Contest 2009912275

1117HierarchyAutumn School Contest 20011401276

1211Collective GuaranteeAutumn School Contest 20021432276

1047Simple CalculationsUSU Local Contest. March 20004204278

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest867278

1741Communication FiendUSU Championship 2009891280

2034CaravansUral Regional School Programming Contest 2014310280

1537EntsUSU Personal Contest 20071258281

1244GentlemenUSU Personal Contest 20031413282

1933Guns for Battle!Ural FU Championship 2012521282

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1298286

1032Find a MultipleUral Championship 19993595289

1501Sense of BeautyNEERC 2006 Eastern Subregional1264291

1753BookshelfUSU Personal Contest 2010812291

1024PermutationsAutumn School Contest 20004089292

1184Cable MasterNEERC 20011334292

1377Lara CroftUral Championship 2005. Round 11410293

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest823293

1018Binary Apple TreeUSU Local Contest. 19994077294

1053PinocchioNEERC 2000 Central Subregional3932296

1497Cutting a SquareAutumn School Contest 20061241297

1036Lucky Tickets3971300

1551Sumo TournamentUral Championship 20071156300

1013K-based Numbers. Version 3302301

1989SubpalindromesUral FU Championship 2013390301

1215Exactness of Projectile HitAutumn School Contest 20021288306

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional697307

1127Colored BricksUSU Championship 20011256308

1934Black SpotUral FU Championship 2012474309

1992CVSNEERC 2013 Eastern Subregional377310

1124MosaicUSU Championship 20011245311

1153SupercomputerUral Championship 2001. Round 21242312

1116Piecewise Constant FunctionAutumn School Contest 20011237313

1190Bar of ChocolateSpring School Contest 20021247313

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014277313

1137Bus RoutesNEERC 2001 Central Subregional1225316

2046The First Day at SchoolUral Championship 2015225316

1227Rally ChampionshipNEERC 2002 Central Subregional1245317

1294Mars SatellitesSpring School Contest 20041272318

1793Tray 2Ural Regional School Programming Contest 2010674319

1941Scary Martian WordUral FU Personal Contest 2012444319

1588JamaicaNEERC 2007 Eastern Subregional1019320

1904The Lessons of the PastUral Championship 2012465320

1008Image EncodingUSTU PhysTech Cup 20003691325

1121BranchesAutumn School Contest 20011185326

1320Graph DecompositionUral Championship 2004. Round 21245326

1302Delta-waveUral Championship 19981240327

1521War Games 2Timus Top Coders: Third Challenge1105327

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest824330

1029MinistryUral Championship 19993129332

1185WallNEERC 20011162335

1517Freedom of ChoiceTimus Top Coders: Third Challenge1075336

1604Country of FoolsUSU Personal Contest 2008929336

1201Which Day Is It?USU Local Contest. March 20021156337

1450Russian PipelinesTimus Top Coders: Second Challenge1157337

1218Episode N-th: The Jedi TournamentUSU Championship 20021162340

1406Next NumberAutumn School Contest 20051216340

1060Flip GameNEERC 20003236341

1160NetworkNEERC 2001 Northern Subregional1152343

1346Intervals of MonotonicityUSU Championship 20041196343

1156Two RoundsUral Championship 2001. Round 21128344

1648YachtsAutumn School Contest 2008834344

1223Chernobyl’ Eagle on a RoofUSU Championship 20021141346

2026Dean and ScheduleUral Regional School Programming Contest 2014248348

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional332350

1431DiplomasUSU Personal Contest 20061129351

1031Railway TicketsUral Championship 19993378353

1090In the Army NowUSU Local Contest. March 20012834353

1282Game TreeNEERC 2003 Central Subregional1139353

1261TipsAutumn School Contest 20031127356

1651Shortest SubchainNEERC 2008 Eastern Subregional803356

1140Swamp IncidentNEERC 2001 Central Subregional1083357

1246Tethered DogUSU Personal Contest 20031110358

1262Pseudo-Roman NumberAutumn School Contest 20031119359

2047MathsUral Championship 2015197359

1483Table FootballUSU Championship 20061027360

1292Mars Space StationsSpring School Contest 20041115363

1007Code WordsUSU Championship 19973302364

1828Approximation by a ProgressionUSU Personal Contest 2011551364

1901Space ElevatorsUral Championship 2012408364

1574Mathematicians and bracketsAutumn School Contest 2007894366

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest963367

1495One-two, One-two 2Autumn School Contest 2006989373

1403CourierAutumn School Contest 20051105374

1995Illegal spicesNEERC 2013 Eastern Subregional310374

1055CombinationsNEERC 2000 Central Subregional3110375

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest486376

1141RSA Attack1027377

1176HyperchannelsUSU Personal Contest 20021033377

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional231377

1078SegmentsWinter Mathematical Festival Varna 20012805379

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional474379

1759Long-LiversUSU Personal Contest 2010619380

1783Nuclear Arms RaceUral SU Championship 2010567380

1039Anniversary PartyUSU Championship 20003096381

1356Something EasierSpring School Contest 20051077381

1229Strong BrickworkNEERC 2002 Central Subregional1031383

1259How to Become Star?Autumn School Contest 20031049383

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest622386

1279WarehouseNEERC 2003 Central Subregional1036388

1963KiteUral FU Personal Contest 2013326388

1289One Way TicketUSU Personal Contest 20041038389

2063Black and WhiteUral Regional School Programming Contest 2015147389

1003ParityCentral European Olympiad in Informatics 19993085390

1923Scary PoliticsUral Regional School Programming Contest 2012377390

1115ShipsBulgarian Online Contest September 2001981393

1631Drunk King 2USU Championship 2008731393

1562GM-pineappleUSU Championship 2007832394

1217Unlucky TicketsUSU Championship 2002998395

1489Points on a ParallelepipedAutumn School Contest 2006929396

1111SquaresBulgarian Online Contest September 2001972397

1407One-two, One-twoAutumn School Contest 20051039397

1287Mars CanalsUSU Personal Contest 20041013399

1427SMSTimus Top Coders: First Challenge997399

1860FiborialPetrozavodsk Summer 2011. USU Contest458399

2030Awesome Backup SystemUral Regional School Programming Contest 2014215399

1774Barber of the Army of MagesUral SU Championship 2010538400

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014214400

1015Test the Difference!USU Local Contest. 19992987401

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest698401

1343Fairy TaleUSU Championship 20041012405

1094E-screenUSU Local Contest. March 20012458407

1350CanteenSpring School Contest 20051005408

1077Travelling Tours940410

1107Warehouse ProblemTetrahedron Team Online Contest May 2001931411

1732Ministry of TruthUSU Championship 2009602412

1252Sorting the TombstonesUSU Local Contest. March 2003961413

1602ElevatorUSU Personal Contest 2008751414

1221Malevich Strikes Back!USU Championship 2002948416

1291Gear-wheelsSpring School Contest 2004968417

1128Partition into GroupsUSU Championship 2001924418

1038Spell CheckerUSU Championship 20002800422

1507Difficult DecisionNEERC 2006 Eastern Subregional868422

1571InterpretersUSU Championship 2007776422

1513Lemon TaleTimus Top Coders: Third Challenge852423

1480CouponsUSU Championship 2006869424

1700AwakeningUral Championship 2009633425

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001905427

1942Attack at the OrbitUral FU Personal Contest 2012329427

1519Formula 1Timus Top Coders: Third Challenge842428

1181Cutting a Painted PolygonUSU Personal Contest 2002905429

1089Verification with a VocabularySpring School Contest 20012442431

1202Rectangles TravelUSU Local Contest. March 2002903431

1416ConfidentialUSU Championship 2005951432

1258PoolAutumn School Contest 2003921435

1019Line PaintingUSU Local Contest. 19992732438

1641DutiesAutumn School Contest 2008647441

2071Juice CocktailsUral Regional School Programming Contest 2015128443

1776Anniversary FireworkUral SU Championship 2010483444

1900Brainwashing DeviceUral Championship 2012333444

1410CrackUSU Championship 2005911450

1643Attack of the Dark FortressAutumn School Contest 2008633451

1129Door PaintingUSU Championship 2001854452

1890Money out of Thin AirNEERC 2011 Eastern Subregional394454

1051Simple Game on a GridUSU Local Contest. March 20002528461

1728Curse on Team.GOVUral Regional School Programming Contest 2009538463

1535The Hobbit or There and Back AgainUSU Personal Contest 2007756465

1238FoldingNEERC 2002843468

1072RoutingUSU Personal Contest 20012289469

1155TroubleduonsUral Championship 2001. Round 2824469

1189Pairs of IntegersNEERC 2001828469

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional452470

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional312471

1971Graphics SettingsUral Championship 2013257475

2062Ambitious ExperimentUral Regional School Programming Contest 2015118477

1273TieUSU Championship 2003836479

1326Bottle TapsUral Championship 2004. Round 2841480

1329Galactic HistoryAutumn School Contest 2004848480

1091Tmutarakan ExamsUSU Local Contest. March 20012080481

1162Currency ExchangeNEERC 2001 Northern Subregional804481

1428Jedi RiddleTimus Top Coders: First Challenge822483

1236Decoding TaskNEERC 2002814484

1316Electronic AuctionUral Championship 2004. Round 1834484

1401GamersAutumn School Contest 2005847486

1884Way to the UniversityUral Regional School Programming Contest 2011368487

1525PathPetrozavodsk Winter 2007. D.Gozman Contest722488

1103Pencils and CirclesTetrahedron Team Online Contest May 2001780490

1628White StreaksUSU Championship 2008585490

1430Crime and PunishmentTimus Top Coders: First Challenge800496

1579Coat TransportationAutumn School Contest 2007656496

1095Nikifor 3USU Local Contest. March 20012010497

2074Timus problems classifierQualification of eastern subregional contest 201593497

1322SpyUral Championship 2004. Round 2810499

1098Questions1910500

1212BattleshipAutumn School Contest 2002783502

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional495504

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup250504

2048HistoryUral Championship 2015137506

1870Zinium 2Ural FU Championship 2011354507

1891Language OceanNEERC 2011 Eastern Subregional352507

1158Censored!NEERC 2001 Northern Subregional760508

1066GarlandNEERC 20002161510

1182Team Them Up!NEERC 2001760510

1871Seismic WavesUral FU Championship 2011352510

1980Road to InvestorUral Championship 2013238512

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest162512

1056Computer NetNEERC 2000 Central Subregional2257515

1439Battle with You-Know-WhoUral Championship 2006759516

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest635516

1577E-mailAutumn School Contest 2007631516

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014164516

1729Dead Man's ChestUral Regional School Programming Contest 2009481517

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014163518

1754Explosion in a PyramidUSU Personal Contest 2010451519

1045Funny GameUSU Local Contest. March 20002234522

2004Scientists from SpilkovoUral Regional School Programming Contest 2013217523

1069Prufer CodeUSU Personal Contest 20012042525

1414Astronomical DatabaseUSU Championship 2005780525

1334CheckersAutumn School Contest 2004771528

1600AirportUSU Personal Contest 2008586529

1366PresentsUral Championship 2005. Round 2773530

2009Canteen LineUral Regional School Programming Contest 2013213532

1314Chase in SubwayUral Championship 2004. Round 1756534

1101Robot in the FieldTetrahedron Team Online Contest May 2001706540

1143Electric PathDSAP Vietnam Online Contest November 2001714540

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional158541

2064CaterpillarsUral Regional School Programming Contest 2015103541

2078Bowling gameUral Championship 201669545

1362Classmates 2Ural Championship 2005. Round 2749547

1400Cellular CharactersAutumn School Contest 2005751548

1928Another Ecology ProblemUral Regional School Programming Contest 2012265549

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005740553

1534Football in GondorUSU Personal Contest 2007633553

1838Samurai's StrokeUral Championship 2011350556

1004Sightseeing TripCentral European Olympiad in Informatics 19992153557

1605Devil's SequenceUSU Personal Contest 2008556557

1027D++ AgainAutumn School Contest 20002140558

1760Infernal WorkUSU Personal Contest 2010419558

1698Square Country 5Petrozavodsk Winter 2009. USU Contest481561

1448Lighting in HogwartsUral Championship 2006695562

1437Gasoline StationUSU Personal Contest 2006700563

1803The Czechs' RiflesNEERC 2010 Eastern Subregional375564

1710Boris, You Are Wrong!Ural Championship 2009474565

1375Bill CleversUral Championship 2005. Round 1725567

1465Pawn GamePetrozavodsk Winter 2006. USU Contest660567

1822Hugo II's WarUSU Personal Contest 2011350567

1085MeetingSpring School Contest 20011849568

1064Binary SearchNEERC 20001933570

1966Cycling RoadsUral FU Personal Contest 2013219570

1071Nikifor 2USU Personal Contest 20011874572

1713Key SubstringsNEERC 2009 Eastern Subregional434573

1061Buffer ManagerNEERC 20001921574

1421Credit OperationsTimus Top Coders: First Challenge690574

1172Ship RoutesRomanian Online Contest December 2001670576

1650BillionairesNEERC 2008 Eastern Subregional492576

1806Mobile TelegraphsNEERC 2010 Eastern Subregional366577

1682Crazy ProfessorUSU Personal Contest 2009468579

1550Dean's Pyramid 3Ural Championship 2007594580

1059ExpressionNEERC 2000 Central Subregional1981587

1592Chinese WatchesNEERC 2007 Eastern Subregional551587

1939First SealUral FU Championship 2012244590

1070Local TimeUSU Personal Contest 20011811592

1706Cipher Message 2Ural Championship 2009452592

1067Disk TreeNEERC 20001858593

1990PodracingNEERC 2013 Eastern Subregional192593

1358CablesSpring School Contest 2005682599

1445Christmas giftsUral Championship 2006651600

1690Army of MagesPetrozavodsk Winter 2009. USU Contest446604

1701Ostap and PartnersUral Championship 2009443604

1767The House of Doctor DeeUral Championship 2010381605

1325DirtUral Championship 2004. Round 2665606

1659Regular TrianglesNEERC 2008 Eastern Subregional467606

1962In Chinese RestaurantUral FU Personal Contest 2013205607

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest135607

1309DisputeUral Championship 2004. Round 1659611

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest534612

2081Faulty dialUral Championship 201660615

1866Poetic FootUral FU Championship 2011289618

1054Hanoi TowerNEERC 2000 Central Subregional1878619

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest470619

1892Morning in KoltsovoNEERC 2011 Eastern Subregional286619

1198Jobbery660621

1903Unidentified ShipsUral Championship 2012235621

1332Genie BomberAutumn School Contest 2004643631

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest283637

1076Trash1664640

1248Sequence SumUSU Personal Contest 2003615641

1542AutocompletionUral Championship 2007536641

1254Die HardUSU Local Contest. March 2003612645

1174Weird PermutationsRomanian Online Contest December 2001596646

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional224648

1452Pascal vs. C++Timus Top Coders: Second Challenge595650

1234BricksNEERC 2002602652

1096Get the Right Route Plate!USU Local Contest. March 20011529653

1606SlalomUSU Personal Contest 2008473653

1371Cargo AgencyUral Championship 2005. Round 1627654

1994The Emperor's planNEERC 2013 Eastern Subregional173655

1253NecrologuesUSU Local Contest. March 2003601656

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009377656

1943Space RummyUral FU Personal Contest 2012210659

1940Not So Simple YearsUral FU Championship 2012216663

1088Ilya MurometzSpring School Contest 20011577666

1186Chemical ReactionsNEERC 2001580666

1564Counting OnesUSU Championship 2007482674

1932The Secret of IdentifierUral FU Championship 2012212675

1286Starship TravelUSU Personal Contest 2004591679

1500Pass LicensesNEERC 2006 Eastern Subregional536679

1443RailsUral Championship 2006573680

1486Equal SquaresUSU Championship 2006538681

1755CakeUSU Personal Contest 2010339686

2060Subpalindrome pairsPalindromic Contest 90689

1168Radio StationsRomanian Online Contest December 2001555693

1872Spacious OfficeUral FU Championship 2011256694

1961Cantonese DialectUral FU Personal Contest 2013178694

2008SwiftyUral Regional School Programming Contest 2013161694

1772Ski-Trails for RobotsUral Championship 2010330695

1633HippogriffsUSU Championship 2008408697

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup178697

1773Metro to Every HomeUral Championship 2010328699

1274Fractional ArithmeticNEERC 2003 Central Subregional569701

1440Training ScheduleUral Championship 2006555702

1250Sea BurialUSU Local Contest. March 2003560704

1132Square Root543706

1305Convex HullUral Championship 1998568707

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest518709

1832Arirang ShowUral Championship 2011272709

1230Introspective ProgramNEERC 2002 Central Subregional551710

1057Amount of DegreesNEERC 2000 Central Subregional1631712

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional203712

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012202712

1301Cube in LabyrinthUral Championship 1998563713

1611DecimationUral Championship 2008427714

1629TripUSU Championship 2008398714

1830Help in the RNOSUral Championship 2011269717

1034Queens in Peaceful PositionsUral Championship 19991653719

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest515723

1169PairsRomanian Online Contest December 2001530725

1780Gray CodeUral SU Championship 2010292725

1825Ifrit Bomber 2USU Personal Contest 2011270728

1405Goat in the Garden 5Autumn School Contest 2005559732

1484Film RatingUSU Championship 2006498734

1037Memory ManagementUSU Championship 20001591740

1775Space BowlingUral SU Championship 2010285743

1159FenceNEERC 2001 Northern Subregional516744

1875Angry BirdsUral Regional School Programming Contest 2011237745

1016Cube on the WalkUSU Local Contest. 19991590750

1235Cricket FieldNEERC 2002518756

1614National Project “Trams”Ural Championship 2008403756

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest537762

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional274764

1974Similar TunesUral Championship 2013156765

1593Square Country. Version 2355766

1986Paul’s SaladsUral FU Championship 2013147767

1424MinibusTimus Top Coders: First Challenge510773

1392Dreaming of Stars526778

1646Godzilla Strikes Back!Autumn School Contest 2008362780

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest416782

1512ZiniumTimus Top Coders: Third Challenge456783

2052Physical EducationUral Championship 201585783

1647Divide an Island!Autumn School Contest 2008359786

1988Planet Ocean LandingUral FU Championship 2013143787

1042Central HeatingUSU Championship 20001486792

1716Alternative SolutionNEERC 2009 Eastern Subregional310795

1323ClassmatesUral Championship 2004. Round 2502798

1587Flying PigNEERC 2007 Eastern Subregional402799

1105Observers ColoringTetrahedron Team Online Contest May 2001472803

1689Fisherman and BarbellUSU Personal Contest 2009335803

1996Cipher Message 3NEERC 2013 Eastern Subregional139804

1030TitanicUral Championship 19991476805

1738Computer SecurityUSU Championship 2009302808

1268Little ChuUSU Championship 2003491809

1456Jedi Riddle 2Timus Top Coders: Second Challenge476809

1276TrainNEERC 2003 Central Subregional490812

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest450814

1379Cups TransportationUral Championship 2005. Round 1501815

1269Obscene Words FilterUSU Championship 2003487816

1927Herbs and MagicUral Regional School Programming Contest 2012175816

1547Password SearchUral Championship 2007418818

1936RoshamboUral FU Championship 2012172823

1720Summit Online JudgeNEERC 2009 Eastern Subregional298826

2017Best of a bad lotNEERC 2014 Eastern Subregional100826

1147Shaping RegionsDSAP Vietnam Online Contest November 2001459833

1165SubnumberNEERC 2001 Northern Subregional459834

1705Gangster HaresUral Championship 2009318834

1436BillboardUSU Personal Contest 2006466840

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest235851

1342EnterpriseUSU Championship 2004474856

1154Mages ContestUral Championship 2001. Round 2445860

1277Cops and ThievesNEERC 2003 Central Subregional460863

1373Pictura ex MachinaUral Championship 2005. Round 1473863

1824Ifrit BomberUSU Personal Contest 2011226864

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest429865

1715Another Ball KillerNEERC 2009 Eastern Subregional284865

1006Square FramesUSU Championship 19971369873

1905Travel in TimeUral Championship 2012164875

1498Stroke at Full SpeedAutumn School Contest 2006414878

1578Mammoth HuntAutumn School Contest 2007365882

1630TalismanUSU Championship 2008317891

1608Lucky Tickets 2008Ural Championship 2008340892

1245PicturesUSU Personal Contest 2003437896

1324Extra SpacesUral Championship 2004. Round 2446897

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest388898

1237Evacuation PlanNEERC 2002434900

1233Amusing NumbersNEERC 2002433901

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest260904

1921Chaos and OrderUral Regional School Programming Contest 2012157904

1580Dean's DebtsAutumn School Contest 2007354908

1175Strange SequenceUSU Personal Contest 2002421911

1836Babel FishUral Championship 2011209913

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest255921

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest289922

1761Binary PalindromeUSU Personal Contest 2010249924

1285Thread in a HyperspaceUSU Personal Contest 2004430927

1364LaraKillerUral Championship 2005. Round 2437929

1863Peaceful AtomUral FU Championship 2011188933

1948The Robot on the LineUral FU Personal Contest 2012145935

1575Yekaterinburg Subway 2Autumn School Contest 2007343937

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest307938

1883Ent's BirthdayUral Regional School Programming Contest 2011186939

1827Indigenous WarsUSU Personal Contest 2011207940

1422FirefliesTimus Top Coders: First Challenge417941

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest83946

1979Resources DistributionUral Championship 2013124947

1937Davy Jones’s OrganUral FU Championship 2012147954

1976Game OptimizationUral Championship 2013123954

1278“… Connecting People”NEERC 2003 Central Subregional415955

1730ManBearPigUral Regional School Programming Contest 2009255957

1339BabiesUSU Championship 2004422959

1398Bishop and Pawn368961

1435Financial ErrorUSU Personal Contest 2006403969

1784RoundersUral SU Championship 2010216969

1970皇后像廣場Ural FU Personal Contest 2013124974

1040Airline CompanyUSU Championship 20001200979

1887Frequent Flyer CardNEERC 2011 Eastern Subregional177981

1418Military StoryUSU Championship 2005411986

1949The Best Picture in the GalaxyUral FU Personal Contest 2012137986

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest179987

1983Nectar GatheringUral FU Championship 2013112987

1451Beerhouse TaleTimus Top Coders: Second Challenge388988

1907Coffee and BunsUral Championship 2012144988

1130Nikifor's WalkUSU Championship 2001383993

1331VladislavaAutumn School Contest 2004404995

1569Networking the “Iset”USU Championship 2007323995

2089Experienced coachUral Championship 2016331001

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3211006

1591Abstract ThinkingNEERC 2007 Eastern Subregional3171006

1965Pear TreesUral FU Personal Contest 20131191012

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3621021

1539Intelligence DataUSU Personal Contest 20073371026

1768Circular StringsUral Championship 20102201028

1075Thread in a SpaceUSU Personal Contest 200110261040

1311Stable ConstructionUral Championship 2004. Round 13831040

1518Jedi Riddle 3Timus Top Coders: Third Challenge3401042

1570Eating HighUSU Championship 20073071045

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101991045

1173Lazy SnailRomanian Online Contest December 20013641046

1151RadiobeaconsUral Championship 2001. Round 23631049

2080WalletUral Championship 2016311050

1879GOV-internship 2Ural Regional School Programming Contest 20111651051

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2581052

1862Very Wealthy MoleUral FU Championship 20111651055

1722Observation DeckUral Regional School Programming Contest 20092271070

1790Searching for the TruthUral Regional School Programming Contest 20101901092

1317HailUral Championship 2004. Round 23641093

2055Urban GeographyUral Championship 2015581094

1687Numismatics for FunUSU Personal Contest 20092431095

1341DeviceUSU Championship 20043671098

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2121099

1434Buses in VasyukiUSU Personal Contest 20063481117

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2341129

1444ElephpotamusUral Championship 20063411130

1540Battle for the RingUSU Personal Contest 20073051130

1447Portkey NetworkUral Championship 20063401133

1627JoinPetrozavodsk Winter 2008. ITMO Contest2521135

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1541137

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1221149

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2371151

2007Mutants versus MachinesUral Regional School Programming Contest 2013931152

1511Fiscal OperationsTimus Top Coders: Third Challenge3051158

1985Prime SquareUral FU Championship 2013941158

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3121163

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1501169

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3461171

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1681171

1357Teakettle 1.0 for DummiesSpring School Contest 20053431174

1544Classmates 3Ural Championship 20072881175

1968Glass PyramidUral FU Personal Contest 20131011176

1458War GamesTimus Top Coders: Second Challenge3241177

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1971179

1408Polynomial MultiplicationAutumn School Contest 20053431180

1736Chinese HockeyUSU Championship 20092011195

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1631205

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest631205

1533Fat HobbitsUSU Personal Contest 20072851206

1453QueenTimus Top Coders: Second Challenge3151210

1595Perfect Sequence2111210

1359ConstructionSpring School Contest 20053321212

1766Humpty DumptyUral Championship 20101851212

1307ArchiverUral Championship 2004. Round 13271213

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2991229

1310ACM DiagnosticsUral Championship 2004. Round 13221231

1807Cartridges for MaximNEERC 2010 Eastern Subregional1661233

1035Cross-stitchUral Championship 19999551236

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2531251

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2561252

1487Chinese FootballUSU Championship 20062861260

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup941260

1546Japanese SortingUral Championship 20072671264

1099Work Scheduling7081267

1538Towers of GuardUSU Personal Contest 20072701271

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1901272

1321Floor IndicatorUral Championship 2004. Round 23101278

1669Universal WordPetrozavodsk Winter 2008. USU Contest2121280

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2821283

1686Photovoltaic SpaceshipUSU Personal Contest 20092051288

1946Chinese Hockey 3Ural FU Personal Contest 20121021294

1657Cube SnakeNEERC 2008 Eastern Subregional2131297

1177Like ComparisonsUSU Personal Contest 20022921300

1393Average Common Prefix3061303

1947MeanderUral FU Personal Contest 20121011305

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2631309

1171Lost in SpaceRomanian Online Contest December 20012871318

1097Square Country 2USU Local Contest. March 20017491323

1050Preparing an ArticleUSU Local Contest. March 20008741324

1328FireballAutumn School Contest 20043011325

1360Philosophical DisputeUral Championship 2005. Round 23031326

1065FrontierNEERC 20008231330

1281River BasinNEERC 2003 Central Subregional2911348

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2521364

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup861365

1240Heroes of Might and MagicNEERC 20022811371

1499KerchiefsAutumn School Contest 20062611373

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2061376

1318LogarithmUral Championship 2004. Round 22861381

1762Search for a Hiding-PlaceUSU Personal Contest 20101611399

1419Maps of the Island WorldsUSU Championship 20052831416

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional971417

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1431419

1449Credit Operations 2Timus Top Coders: Second Challenge2651430

1441From the History of Gringotts BankUral Championship 20062671431

1299PsyloniansSpring School Contest 20042751432

1265MirrorUSU Championship 20032731433

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2391435

1266Kirchhoff's LawUSU Championship 20032721438

1345HTMLUSU Championship 20042781438

1950Martian FarmlandsUral FU Personal Contest 2012901449

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1581453

1170DesertRomanian Online Contest December 20012581460

1347BlogSpring School Contest 20052741460

1412Autumn TideUSU Championship 20052711476

1770The Party of Ural ChampionsUral Championship 20101481496

2059Not common palindromesPalindromic Contest 361497

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup771507

1043Cover an ArcUSU Championship 20007711517

1802Cube PuzzleNEERC 2010 Eastern Subregional1331518

20503D-modelingUral Championship 2015391518

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2361522

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest1121529

1251Cemetery ManagerUSU Local Contest. March 20032521531

1241Inlay CuttersNEERC 20022461561

1908Brute-force SearchUral Championship 2012871569

1488ACM PokerUSU Championship 20062271574

1337BureaucracyAutumn School Contest 20042511579

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1221579

1896War Games 2.1191586

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2501603

1764TranssibUral Championship 20101371608

1886Trip 2NEERC 2011 Eastern Subregional1041608

1568Train Car SortingUSU Championship 20071951616

1485Football and LieUSU Championship 20062201622

1565The Duel for ThreeUSU Championship 20071941624

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1021637

1782Jack's New WordUral SU Championship 20101231647

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1611649

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest431660

1707Hypnotoad's SecretUral Championship 20091541667

1583CheeseNEERC 2007 Eastern Subregional1851687

1257HyphenationAutumn School Contest 20032301688

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1341695

1734Endgame DatabaseUSU Championship 20091381704

1062TriathlonNEERC 20006391706

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551709

1841CablewaysPetrozavodsk Summer 2010. USU Contest991716

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest991716

1338AutomobilesUSU Championship 20042301725

1420Integer-Valued Complex DivisionUSU Championship 20052301729

1378Artificial IntelligenceUral Championship 2005. Round 12301736

1516NostalgiaTimus Top Coders: Third Challenge2001737

1831Tsyfirkin's LessonUral Championship 20111041755

1508Japanese PuzzleNEERC 2006 Eastern Subregional2011756

1046Geometrical DreamsUSU Local Contest. March 20006561758

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012121760

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1791761

1610CactusesUral Championship 20081671764

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2051766

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015191766

1514National ParkTimus Top Coders: Third Challenge1931797

1702CrossroadUral Championship 20091411811

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1861823

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1441831

1304ParallelepipedUral Championship 19982131832

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest911847

1425Queen 2Timus Top Coders: First Challenge2071851

1492Vasya's Dad 2Autumn School Contest 20061911852

1093DartsUSU Local Contest. March 20015321854

1615Tram SolitaireUral Championship 20081581858

1417Space Poker 2USU Championship 20052121869

1757Gold BarsUSU Personal Contest 20101181869

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1011878

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1191892

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1381906

1163ChapaevNEERC 2001 Northern Subregional1951908

1503PolynomialNEERC 2006 Eastern Subregional1841910

2022Riding a ToadNEERC 2014 Eastern Subregional371933

1532Lost in TranslationUSU Personal Contest 20071741934

1455Freedom of SpeechTimus Top Coders: Second Challenge1931937

1148Building TowersDSAP Vietnam Online Contest November 20011901954

1216Two Pawns and One KingUSU Championship 20021931961

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1331972

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1341974

1781Clean CodeUral SU Championship 20101011974

1969Hong Kong TramUral FU Personal Contest 2013561977

1634Spider MiteUSU Championship 20081371983

1187Statistical TroubleNEERC 20011881985

1839The MentaculusUral Championship 2011902000

1315MDPAR and MIIARUral Championship 2004. Round 11932014

1977Energy WallUral Championship 2013532014

1396Maximum. Version 21842015

1703Robotic ArmUral Championship 20091242040

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1852042

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest1942043

1063Domino PuzzleNEERC 20005312046

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional642049

1267Yekaterinburg SubwayUSU Championship 20031872058

1397Points Game1722059

1288AstrolocationUSU Personal Contest 20041872071

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1272074

1041NikiforUSU Championship 20005602079

1188LibraryNEERC 20011792080

1541ChaseUSU Personal Contest 20071602093

1867NanotechnologiesUral FU Championship 2011782098

1074Very Short ProblemUSU Personal Contest 20015012108

1232Asteroid LandingNEERC 2002 Central Subregional1772130

1092TransversalUSU Local Contest. March 20014612133

1549Another Japanese PuzzleUral Championship 20071542136

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872149

1543Dance RevolutionUral Championship 20071512175

2053BiologyUral Championship 2015242187

1945Many-armed BrothersUral FU Personal Contest 2012562196

1850Space TourismPetrozavodsk Summer 2010. USU Contest752201

1504Good MannersNEERC 2006 Eastern Subregional1582205

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21752243

1833Hopes of RowingUral Championship 2011792248

1270UnicubeUSU Championship 20031672291

1284Space PokerUSU Personal Contest 20041682292

1652Banking CrisisNEERC 2008 Eastern Subregional1162296

1256Cemetery GuardUSU Local Contest. March 20031642305

1655Somali PiratesNEERC 2008 Eastern Subregional1152314

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest282316

1481Winning ChancesUSU Championship 20061502331

1368Goat in the Garden 3Ural Championship 2005. Round 21672345

1758Bald Spot Revisited 2USU Personal Contest 2010912369

1835Swamp DoctorUral Championship 2011742381

1882Old NokiaUral Regional School Programming Contest 2011672390

2085Magic ProgrammerUral Championship 201682391

1599Winding Number162419

1717Eligibility RulesNEERC 2009 Eastern Subregional952423

1735Theft of the CenturyUSU Championship 2009942425

1829Routing TablesUSU Personal Contest 2011732457

2051PhysicsUral Championship 2015202479

1978E-LiteUral Championship 2013412489

1739FaryuksUSU Championship 2009912497

1895Steaks on BoardNEERC 2011 Eastern Subregional632512

1275Knights of the Round TableNEERC 2003 Central Subregional1512520

2006Kirill the GardenerUral Regional School Programming Contest 2013372524

1972Game TestingUral Championship 2013402538

1520Empire Strikes BackTimus Top Coders: Third Challenge1332551

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1202561

1300TaxesUral Championship 19981472602

1308Dean's PyramidUral Championship 2004. Round 11472604

1454Rectangles 2Timus Top Coders: Second Challenge1412604

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional872623

1704DemodulationUral Championship 2009942629

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional472660

1312TrayUral Championship 2004. Round 11432672

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup392675

1865The Island of MärketUral FU Championship 2011592676

1239Ghost BustersNEERC 20021392678

1798Fire Circle. Version 2152685

2083The Guardian of TraditionsUral Championship 201662691

2084Technical debtUral Championship 201662691

1609Tram TileUral Championship 20081042738

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest662742

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest582743

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest902755

2058100500 palidnromesPalindromic Contest 152755

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest572792

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1242795

1566Triangular PostcardsUSU Championship 20071082808

1694Killer WordsPetrozavodsk Winter 2009. USU Contest862870

2079Memory leaksUral Championship 201652870

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest892871

1505Oil TransferNEERC 2006 Eastern Subregional1192872

1637Triangle Game 2USU Championship 2008912886

1464LightPetrozavodsk Winter 2006. USU Contest1212898

1395Pascal vs. C++. Version 21232951

1482Triangle GameUSU Championship 20061162960

1856War and PeacePetrozavodsk Summer 2011. USU Contest532961

1681Brother Bear's GardenUSU Personal Contest 2009823011

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup333048

1957MundialPetrozavodsk Winter 2013. Kontur Cup333048

141140 Islands KnightsUSU Championship 20051263051

2087TrainsUral Championship 201643074

2086Find DenisUral Championship 201643075

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest693089

1367Top SecretUral Championship 2005. Round 21243098

1058ChocolateNEERC 2000 Central Subregional3663101

1858Magic CubePetrozavodsk Summer 2011. USU Contest503109

2057Non-palidromic cuttingPalindromic Contest 123130

1442Floo PowderUral Championship 20061163146

1438Time Limit ExceededUSU Personal Contest 20061173150

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest843162

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest773167

1597Chernobyl’ Eagle on a Roof. Version 2203168

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823231

1909Space ReconUral Championship 2012373239

1429BiscuitsTimus Top Coders: First Challenge1143240

1975Model of the EarthUral Championship 2013293254

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543257

1834Tennis RacketUral Championship 2011513279

2061OEIS A216264Palindromic Contest 113279

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional363296

1938Caribbean TriangleUral FU Championship 2012353328

1166Funny Card GameNEERC 2001 Northern Subregional1113350

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523362

2049ChemistryUral Championship 2015123380

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest163384

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1023390

2077ReductionsQualification of eastern subregional contest 201553415

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1123416

2088Nostalgic EveningUral Championship 201623478

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest153520

1509Domino RecognitionNEERC 2006 Eastern Subregional953529

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest433530

1616Square Country 4Ural Championship 2008783547

2082PokerUral Championship 201623547

1733Forgotten TechnologyUSU Championship 2009603603

1199Mouse903629

1632LasersUSU Championship 2008703643

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813658

1765Error 404Ural Championship 2010543694

1598DSA Attack153718

1847ZamkadyePetrozavodsk Summer 2010. USU Contest403742

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup253745

1999The secret moduleNEERC 2013 Eastern Subregional213865

1778Chinese Hockey 2Ural SU Championship 2010463912

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest963931

2076VasianaQualification of eastern subregional contest 201533940

2016Magic and ScienceNEERC 2014 Eastern Subregional124129

2054AstronomyUral Championship 201584130

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764155

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest794208

1973Location GeneratorUral Championship 2013204230

1661DodecahedronPetrozavodsk Winter 2008. USU Contest574241

1460WiresPetrozavodsk Winter 2006. USU Contest774364

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554372

1271Sailing DirectionsUSU Championship 2003824408

1344Gigantic TurnipUSU Championship 2004824501

1340CucarachaUSU Championship 2004814551

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest724567

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest94631

1967Programmer CasinoUral FU Personal Contest 2013184660

1594Aztec Treasure474696

1799Sasha and swag strings34820

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest474834

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84888

1771A Deputy's MorningUral Championship 2010384925

1763Expert FleaUral Championship 2010384926

1797Summit Online Judge. Version 2214965

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest654994

1801The Revolution CupNEERC 2010 Eastern Subregional335048

1426RectanglesTimus Top Coders: First Challenge695086

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest715145

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest475215

1365Testing CalculatorUral Championship 2005. Round 2695254

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest455404

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest675412

1372Death StarUral Championship 2005. Round 1655555

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest235652

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235670

1906The Lost CivilizationUral Championship 2012165854

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest535945

1842Local RootsPetrozavodsk Summer 2010. USU Contest216035

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366178

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional366289

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356315

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336558

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356605

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest216723

1363HalftonesUral Championship 2005. Round 2516804

1653Death ConveyorNEERC 2008 Eastern Subregional317055

1596Knight Mare147144

1536Delights of Pipe-weedUSU Personal Contest 2007387414

1432Twofold LuckUSU Personal Contest 2006398164

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268257

1840Victim of AdvertisingUral Championship 2011138698

1376Dean's Pyramid 2Ural Championship 2005. Round 1378865

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219097

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269248

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup49360

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2910686

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1610846

1399Economical Director2310993

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1511022

1374MisereUral Championship 2005. Round 12711261

1415Mobile LifeUSU Championship 20052611521

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712330

1708Sum of Digits 2Ural Championship 20091212424

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2213023

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1713234

1369Cockroach RaceUral Championship 2005. Round 21516602

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1318119

1548Sakura and StatisticsUral Championship 2007819458

1589SokobanNEERC 2007 Eastern Subregional423502

1394Ships. Version 2527784