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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7312018

1001Reverse Root2093718

1785Lost in LocalizationUral Regional School Programming Contest 20101221418

1293EniyaSpring School Contest 20042025920

1409Two GangstersAutumn School Contest 20051948122

2012About Grisha N.NEERC 2014 Eastern Subregional434722

1877Bicycle CodesUral Regional School Programming Contest 2011838723

1820Ural SteaksUSU Personal Contest 2011769927

1264WorkdaysAutumn School Contest 20031406629

1787Turn for MEGAUral Regional School Programming Contest 2010761229

2001Mathematicians and BerriesUral Regional School Programming Contest 2013428029

1197Lonesome KnightSpring School Contest 20021244332

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011583532

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional450835

1639Chocolate 2Autumn School Contest 2008816236

1924Four ImpsUral Regional School Programming Contest 2012421437

2023Donald is a postmanNEERC 2014 Eastern Subregional240240

1313Some Words about SportUral Championship 2004. Round 11012141

12091, 10, 100, 1000...Autumn School Contest 2002950642

1068Sum2606443

2066Simple ExpressionUral Regional School Programming Contest 2015156343

1225FlagsNEERC 2002 Central Subregional905744

1319HotelUral Championship 2004. Round 2939644

1567SMS-spamUSU Championship 2007763144

1581TeamworkAutumn School Contest 2007739545

1263ElectionsAutumn School Contest 2003846448

1585PenguinsNEERC 2007 Eastern Subregional680349

1991The battle near the swampNEERC 2013 Eastern Subregional245651

1100Final StandingsTetrahedron Team Online Contest May 2001756852

1876Centipede's MorningUral Regional School Programming Contest 2011364952

1327FusesAutumn School Contest 2004781753

1881Long problem statementUral Regional School Programming Contest 2011342355

1243Divorce of the Seven DwarfsUSU Personal Contest 2003721956

1493One Step from HappinessAutumn School Contest 2006669256

1893A380NEERC 2011 Eastern Subregional337756

1110PowerBulgarian Online Contest September 2001689457

1349FarmSpring School Contest 2005721958

1607TaxiUSU Personal Contest 2008546258

1496SpammerAutumn School Contest 2006624360

1545HieroglyphsUral Championship 2007578761

1636Penalty TimeUSU Championship 2008466963

1837Isenbaev's NumberUral Championship 2011323663

1925British Scientists Save the WorldUral Regional School Programming Contest 2012248463

1196History ExamSpring School Contest 2002621664

1149Sinus Dances605865

1654Cipher MessageNEERC 2008 Eastern Subregional443166

1617Flat SpotsUral Championship 2008462268

1723Sandro's BookUral Regional School Programming Contest 2009382468

1563BayanUSU Championship 2007489169

2002Test TaskUral Regional School Programming Contest 2013180869

1131CopyingUSU Championship 2001560270

2035Another Dress RehearsalUral Regional School Programming Contest 2014135770

1025Democracy in DangerAutumn School Contest 20001699871

1224SpiralNEERC 2002 Central Subregional555372

1457Heating MainTimus Top Coders: Second Challenge554672

2005Taxi for ProgrammersUral Regional School Programming Contest 2013167574

1083Factorials!!!Spring School Contest 20011417675

1792Hamming CodeUral Regional School Programming Contest 2010294076

1712Cipher GrilleNEERC 2009 Eastern Subregional332578

1935Tears of DrownedUral FU Championship 2012199378

2011Long StatementUral Regional School Programming Contest 2013156279

2031Overturned NumbersUral Regional School Programming Contest 2014120279

1502Domino DotsNEERC 2006 Eastern Subregional465880

1139City BlocksNEERC 2001 Central Subregional481582

1194HandshakesSpring School Contest 2002484082

1106Two TeamsTetrahedron Team Online Contest May 2001472283

1290SabotageSpring School Contest 2004491284

1638BookwormUSU Championship 2008350584

1404Easy to Hack!Autumn School Contest 2005492485

1120Sum of Sequential NumbersAutumn School Contest 2001459286

1119MetroAutumn School Contest 2001453487

1180Stone GameUSU Personal Contest 2002449388

2068Game of NutsUral Regional School Programming Contest 201575488

1297PalindromeSpring School Contest 2004445892

1601AntiCAPSUSU Personal Contest 2008345592

1005Stone PileUSU Championship 19971305393

1146Maximum SumDSAP Vietnam Online Contest November 2001419794

1161StripiesNEERC 2001 Northern Subregional419994

1510OrderNEERC 2006 Eastern Subregional398794

1902Neo-VeniceUral Championship 2012168094

2056ScholarshipUral Championship 201584594

16421D MazeAutumn School Contest 2008306396

1796Amusement ParkUral Regional School Programming Contest 2010233096

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001400497

1446Sorting HatUral Championship 2006412697

1009K-based NumbersUSU Championship 19971240698

1644A Whole Lot of WalnutsAutumn School Contest 2008299998

2025Line FightingUral Regional School Programming Contest 201497498

2033DevicesUral Regional School Programming Contest 201497198

1370MagicianUral Championship 2005. Round 2421999

1731DillUral Regional School Programming Contest 2009261799

1786Sandro's BiographyUral Regional School Programming Contest 2010224899

1203Scientific ConferenceUSU Local Contest. March 20023922101

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131221101

1214Strange ProcedureAutumn School Contest 20023906103

1118Nontrivial NumbersAutumn School Contest 20013783104

1136ParliamentNEERC 2001 Central Subregional3802104

1228ArrayNEERC 2002 Central Subregional3818105

1020RopeAutumn School Contest 200011466106

1014Product of DigitsUSU Local Contest. 199911360107

1296HyperjumpSpring School Contest 20043801108

1777AnindilyakwaUral SU Championship 20102059108

1573AlchemyAutumn School Contest 20073055109

1873GOV ChroniclesUral Regional School Programming Contest 20111734109

1330IntervalsAutumn School Contest 20043784110

1126Magnetic StormsUSU Championship 20013493113

1079MaximumWinter Mathematical Festival Varna 20019420114

1192Ball in a DreamSpring School Contest 20023485114

2018The Debut AlbumNEERC 2014 Eastern Subregional838114

1082Gaby IvanushkaSpring School Contest 20019295115

1226esreveR redrONEERC 2002 Central Subregional3441117

1582BookmakersNEERC 2007 Eastern Subregional2854117

1044Lucky Tickets. Easy!USU Championship 200010145118

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional810118

1086CryptographySpring School Contest 20018936119

1219Symbolic SequenceUSU Championship 20023336120

1353Milliard Vasya's FunctionSpring School Contest 20053470120

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023239122

1711Code NamesNEERC 2009 Eastern Subregional2122122

1123SalaryAutumn School Contest 20013162124

1260Nudnik PhotographerAutumn School Contest 20033265125

2000Grand Theft Array VUral Regional School Programming Contest 2013991125

1336Problem of Ben BetsalelAutumn School Contest 20043260127

1283DwarfUSU Personal Contest 20043205128

1683FridgeUSU Personal Contest 20092174129

1688Team.GOV!USU Personal Contest 20092170129

1982Electrification PlanUral FU Championship 2013952131

1868Prediction ContestUral FU Championship 20111435132

1725Sold Out!Ural Regional School Programming Contest 20091937133

1022Genealogical TreeAutumn School Contest 20008889136

1352Mersenne PrimesSpring School Contest 20053067136

1021Sacrament of the SumAutumn School Contest 20008653140

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101583140

1964Chinese DialectsUral FU Personal Contest 2013968140

1222Chernobyl’ EaglesUSU Championship 20022836141

1402CocktailsAutumn School Contest 20052977141

1931Excellent TeamUral FU Championship 20121085142

1740Deer is Better!USU Championship 20091789143

1612Tram ForumUral Championship 20082185144

1026Questions and AnswersAutumn School Contest 20008334145

1142RelationsDSAP Vietnam Online Contest November 20012695146

1178Akbardin’s RoadsUSU Personal Contest 20022688147

1576Telephone TariffsAutumn School Contest 20072271147

1084Goat in the GardenSpring School Contest 20017220148

1864Get-Together at Den'sUral FU Championship 20111276148

1984Dummy GuyUral FU Championship 2013844148

2069Hard RockUral Regional School Programming Contest 2015447148

1821BiathlonUSU Personal Contest 20111391149

2073Log FilesUral Regional School Programming Contest 2015440150

1572Yekaterinozavodsk Great WellAutumn School Contest 20072184153

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional813153

1167Bicolored HorsesRomanian Online Contest December 20012559154

1210Kind SpiritsAutumn School Contest 20022577155

1306Sequence MedianUral Championship 19982618157

1709Penguin-AviaUral Championship 20091748158

1073Square CountryUSU Personal Contest 20016850159

1756One and a Half DiggersUSU Personal Contest 20101530159

1295Crazy NotionsSpring School Contest 20042564160

1017StaircasesUSU Local Contest. 19997456163

1135RecruitsNEERC 2001 Central Subregional2387165

1157Young TilerUral Championship 2001. Round 22382165

1280Topological SortingNEERC 2003 Central Subregional2481165

1354Palindrome. Again PalindromeSpring School Contest 20052510166

1613For Fans of StatisticsUral Championship 20081896166

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional939166

1506Columns of NumbersNEERC 2006 Eastern Subregional2229167

1874Football GoalUral Regional School Programming Contest 20111118168

1878Rubinchik's CubeUral Regional School Programming Contest 20111117168

1272Non-Yekaterinburg SubwayUSU Championship 20032409169

1213Cockroaches!Autumn School Contest 20022349170

1586Threeprime NumbersNEERC 2007 Eastern Subregional1950170

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101290172

1012K-based Numbers. Version 26998173

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1641174

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1100174

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional888175

1640Circle of WinterAutumn School Contest 20081662176

2091Natural SelectionUral FU Personal Contest 2014257176

1335White ThesisAutumn School Contest 20042337177

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091450177

1944Record of the Attack at the OrbitUral FU Personal Contest 2012842177

1413Mars JumperUSU Championship 20052341178

1685OrthographyUSU Personal Contest 20091573178

1769Old Ural LegendUral Championship 20101350178

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional534178

1134CardsNEERC 2001 Central Subregional2187180

1193Queue at the ExamSpring School Contest 20022202180

1800Murphy's LawNEERC 2010 Eastern Subregional1229180

1930Ivan's CarUral Regional School Programming Contest 2012862180

1102Strange DialogTetrahedron Team Online Contest May 20012133183

1048Superlong SumsUSU Local Contest. March 20006407184

1789Searching for the DodecahedronUral Regional School Programming Contest 20101208184

1133Fibonacci SequenceNEERC 2001 Central Subregional2107186

1207Median on the PlaneUSU Local Contest. March 20022110187

1114BoxesBulgarian Online Contest September 20012068189

1869New Year CruiseUral FU Championship 2011997189

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1541190

1645Ski RaceAutumn School Contest 20081527192

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional492193

1152False MirrorsUral Championship 2001. Round 22025194

1164FillwordNEERC 2001 Northern Subregional2032194

1208Legendary Teams ContestUSU Local Contest. March 20022041194

2065Different SumsUral Regional School Programming Contest 2015339194

1423String TaleTimus Top Coders: First Challenge2067195

2070Interesting NumbersUral Regional School Programming Contest 2015335196

1885Passenger ComfortNEERC 2011 Eastern Subregional949197

1680The First NonqualifyingUSU Personal Contest 20091417198

1138Integer PercentageNEERC 2001 Central Subregional1973199

1023ButtonsAutumn School Contest 20006018201

1112CoverBulgarian Online Contest September 20011951201

1348Goat in the Garden 2Spring School Contest 20052049203

1987Nested SegmentsUral FU Championship 2013608205

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015319205

1494MonobilliardsAutumn School Contest 20061801208

2095ScrumUral FU Personal Contest 2014214210

1002Phone NumbersCentral European Olympiad in Informatics 19995725212

1249Ancient NecropolisUSU Local Contest. March 20031886214

1200Horns and HoofsUSU Local Contest. March 20021839215

1490Fire CircleAutumn School Contest 20061735216

1183Brackets SequenceNEERC 20011812218

1515CashmasterTimus Top Coders: Third Challenge1679219

1635Mnemonics and PalindromesUSU Championship 20081340220

2024Adventure TimeUral Regional School Programming Contest 2014427220

1052Rabbit HuntUSU Local Contest. March 20005311223

1491Unreal StoryAutumn School Contest 20061678223

1011ConductorsUSU Championship 19975386225

1125HopscotchUSU Championship 20011732226

2098Lada PrioraUral FU Personal Contest 2014198226

1737Mnemonics and Palindromes 3USU Championship 20091122227

1033LabyrinthUral Championship 19995277229

1242WerewolfUSU Personal Contest 20031758229

1333Genie Bomber 2Autumn School Contest 20041806229

1795Husband in a ShopUral Regional School Programming Contest 2010967229

1204IdempotentsUSU Local Contest. March 20021703232

1049Brave BalloonistsUSU Local Contest. March 20005016236

1122GameAutumn School Contest 20011652237

1355Bald Spot RevisitedSpring School Contest 20051759237

1150Page NumbersUral Championship 2001. Round 21643239

1889Airport AnnouncementsNEERC 2011 Eastern Subregional780239

2067Friends and BerriesUral Regional School Programming Contest 2015273239

1205By the Underground or by Foot?USU Local Contest. March 20021644240

1303Minimal CoverageUral Championship 19981711240

1191Catch the thief!Spring School Contest 20021640241

1826MinefieldUSU Personal Contest 2011857242

1922Superhero TeamUral Regional School Programming Contest 2012634244

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1705245

1108HeritageBulgarian Online Contest September 20011592246

1247Check a SequenceUSU Personal Contest 20031638246

1113JeepBulgarian Online Contest September 20011562250

1603EruditeUSU Personal Contest 20081272250

2003Simple MagicUral Regional School Programming Contest 2013485252

1590Bacon’s CipherNEERC 2007 Eastern Subregional1311253

1109ConferenceBulgarian Online Contest September 20011537254

1433DiamondsUSU Personal Contest 20061580254

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014207256

1298KnightSpring School Contest 20041603256

1010Discrete FunctionUSTU PhysTech Cup 20004702258

1080Map ColoringWinter Mathematical Festival Varna 20014143259

1195Ouths and CrossesSpring School Contest 20021525259

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1385259

1998The old PadawanNEERC 2013 Eastern Subregional474260

1718RejudgeNEERC 2009 Eastern Subregional984261

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1434262

1658Sum of DigitsNEERC 2008 Eastern Subregional1107263

1028StarsUral Championship 19994521267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031507267

1779The Great TeamUral SU Championship 2010830267

2034CaravansUral Regional School Programming Contest 2014348268

1823Ideal GasUSU Personal Contest 2011768269

1087The Time to Take StonesSpring School Contest 20013945270

1684Jack's Last WordUSU Personal Contest 20091032271

1220StacksUSU Championship 20021462273

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest899274

1179Numbers in TextUSU Personal Contest 20021432275

1117HierarchyAutumn School Contest 20011416276

1211Collective GuaranteeAutumn School Contest 20021445276

1726VisitsUral Regional School Programming Contest 2009925277

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012557277

1981Parallel and PerpendicularUral FU Championship 2013447277

1047Simple CalculationsUSU Local Contest. March 20004228279

1244GentlemenUSU Personal Contest 20031440279

1741Communication FiendUSU Championship 2009912279

2021Scarily interesting!NEERC 2014 Eastern Subregional336281

1537EntsUSU Personal Contest 20071269282

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1327283

1013K-based Numbers. Version 3339287

1501Sense of BeautyNEERC 2006 Eastern Subregional1286289

1933Guns for Battle!Ural FU Championship 2012528289

1032Find a MultipleUral Championship 19993632290

1018Binary Apple TreeUSU Local Contest. 19994148292

1024PermutationsAutumn School Contest 20004127293

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest840293

1184Cable MasterNEERC 20011340294

1377Lara CroftUral Championship 2005. Round 11421294

1753BookshelfUSU Personal Contest 2010820295

1053PinocchioNEERC 2000 Central Subregional3956298

1497Cutting a SquareAutumn School Contest 20061248299

1036Lucky Tickets4012300

1551Sumo TournamentUral Championship 20071170301

1934Black SpotUral FU Championship 2012506302

1989SubpalindromesUral FU Championship 2013405305

1215Exactness of Projectile HitAutumn School Contest 20021299307

1127Colored BricksUSU Championship 20011269308

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional712308

1124MosaicUSU Championship 20011265309

1992CVSNEERC 2013 Eastern Subregional397309

1116Piecewise Constant FunctionAutumn School Contest 20011251312

1153SupercomputerUral Championship 2001. Round 21257312

1137Bus RoutesNEERC 2001 Central Subregional1249313

1190Bar of ChocolateSpring School Contest 20021261313

1294Mars SatellitesSpring School Contest 20041293316

1227Rally ChampionshipNEERC 2002 Central Subregional1259317

1941Scary Martian WordUral FU Personal Contest 2012466317

2046The First Day at SchoolUral Championship 2015245317

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014292318

1588JamaicaNEERC 2007 Eastern Subregional1037319

1521War Games 2Timus Top Coders: Third Challenge1139321

1793Tray 2Ural Regional School Programming Contest 2010687321

1320Graph DecompositionUral Championship 2004. Round 21263324

1008Image EncodingUSTU PhysTech Cup 20003720326

1121BranchesAutumn School Contest 20011200326

1302Delta-waveUral Championship 19981252327

1904The Lessons of the PastUral Championship 2012474327

1185WallNEERC 20011195330

1517Freedom of ChoiceTimus Top Coders: Third Challenge1106331

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest836332

1029MinistryUral Championship 19993158333

1450Russian PipelinesTimus Top Coders: Second Challenge1179334

1201Which Day Is It?USU Local Contest. March 20021169337

1218Episode N-th: The Jedi TournamentUSU Championship 20021179338

1406Next NumberAutumn School Contest 20051233338

1604Country of FoolsUSU Personal Contest 2008938338

1346Intervals of MonotonicityUSU Championship 20041220340

1156Two RoundsUral Championship 2001. Round 21148341

1060Flip GameNEERC 20003264342

1160NetworkNEERC 2001 Northern Subregional1169342

1223Chernobyl’ Eagle on a RoofUSU Championship 20021163343

1648YachtsAutumn School Contest 2008847344

2026Dean and ScheduleUral Regional School Programming Contest 2014267346

1651Shortest SubchainNEERC 2008 Eastern Subregional831350

1431DiplomasUSU Personal Contest 20061142351

1282Game TreeNEERC 2003 Central Subregional1153352

1090In the Army NowUSU Local Contest. March 20012871353

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional347353

1031Railway TicketsUral Championship 19993408354

1261TipsAutumn School Contest 20031145354

1246Tethered DogUSU Personal Contest 20031129355

1140Swamp IncidentNEERC 2001 Central Subregional1096357

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1002357

1262Pseudo-Roman NumberAutumn School Contest 20031129359

1483Table FootballUSU Championship 20061042359

1292Mars Space StationsSpring School Contest 20041131361

1828Approximation by a ProgressionUSU Personal Contest 2011565364

1007Code WordsUSU Championship 19973330365

1574Mathematicians and bracketsAutumn School Contest 2007907366

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest669367

2063Black and WhiteUral Regional School Programming Contest 2015174367

1495One-two, One-two 2Autumn School Contest 20061011369

1901Space ElevatorsUral Championship 2012416371

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest506372

1403CourierAutumn School Contest 20051118373

2062Ambitious ExperimentUral Regional School Programming Contest 2015171373

1141RSA Attack1044375

1176HyperchannelsUSU Personal Contest 20021047375

1055CombinationsNEERC 2000 Central Subregional3135376

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional492376

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional248376

1078SegmentsWinter Mathematical Festival Varna 20012849377

1356Something EasierSpring School Contest 20051099377

2047MathsUral Championship 2015204377

1783Nuclear Arms RaceUral SU Championship 2010580380

1039Anniversary PartyUSU Championship 20003136381

1259How to Become Star?Autumn School Contest 20031058383

1229Strong BrickworkNEERC 2002 Central Subregional1038384

1003ParityCentral European Olympiad in Informatics 19993156385

1759Long-LiversUSU Personal Contest 2010624386

1995Illegal spicesNEERC 2013 Eastern Subregional316386

1279WarehouseNEERC 2003 Central Subregional1048387

1963KiteUral FU Personal Contest 2013342388

2030Awesome Backup SystemUral Regional School Programming Contest 2014237388

1289One Way TicketUSU Personal Contest 20041048389

1115ShipsBulgarian Online Contest September 2001988394

1407One-two, One-twoAutumn School Contest 20051057394

1217Unlucky TicketsUSU Championship 20021005396

1287Mars CanalsUSU Personal Contest 20041027397

1562GM-pineappleUSU Championship 2007836397

1631Drunk King 2USU Championship 2008736397

2078Bowling gameUral Championship 2016115397

1111SquaresBulgarian Online Contest September 2001980398

1427SMSTimus Top Coders: First Challenge1011398

1489Points on a ParallelepipedAutumn School Contest 2006934399

1923Scary PoliticsUral Regional School Programming Contest 2012383399

1343Fairy TaleUSU Championship 20041032401

1015Test the Difference!USU Local Contest. 19993008402

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest467403

1350CanteenSpring School Contest 20051025404

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest706404

1774Barber of the Army of MagesUral SU Championship 2010544405

1094E-screenUSU Local Contest. March 20012475409

1077Travelling Tours951410

1732Ministry of TruthUSU Championship 2009614412

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014223412

1107Warehouse ProblemTetrahedron Team Online Contest May 2001938413

1252Sorting the TombstonesUSU Local Contest. March 2003970413

1221Malevich Strikes Back!USU Championship 2002960415

1602ElevatorUSU Personal Contest 2008759416

1128Partition into GroupsUSU Championship 2001933418

1291Gear-wheelsSpring School Contest 2004976418

1507Difficult DecisionNEERC 2006 Eastern Subregional882420

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001925422

1513Lemon TaleTimus Top Coders: Third Challenge863423

1571InterpretersUSU Championship 2007785423

1038Spell CheckerUSU Championship 20002817424

1480CouponsUSU Championship 2006874427

1519Formula 1Timus Top Coders: Third Challenge853428

1416ConfidentialUSU Championship 2005966429

1700AwakeningUral Championship 2009639429

1089Verification with a VocabularySpring School Contest 20012466431

1181Cutting a Painted PolygonUSU Personal Contest 2002910431

1202Rectangles TravelUSU Local Contest. March 2002908433

1258PoolAutumn School Contest 2003934434

2081Faulty dialUral Championship 2016104435

1942Attack at the OrbitUral FU Personal Contest 2012336436

1019Line PaintingUSU Local Contest. 19992760438

1776Anniversary FireworkUral SU Championship 2010502438

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest203443

2071Juice CocktailsUral Regional School Programming Contest 2015142444

1641DutiesAutumn School Contest 2008651446

1890Money out of Thin AirNEERC 2011 Eastern Subregional413447

1900Brainwashing DeviceUral Championship 2012343448

1410CrackUSU Championship 2005923449

2099Space InvaderUral FU Personal Contest 201494451

1129Door PaintingUSU Championship 2001863452

1643Attack of the Dark FortressAutumn School Contest 2008640454

1051Simple Game on a GridUSU Local Contest. March 20002542464

1535The Hobbit or There and Back AgainUSU Personal Contest 2007767464

1238FoldingNEERC 2002857466

1728Curse on Team.GOVUral Regional School Programming Contest 2009543468

1155TroubleduonsUral Championship 2001. Round 2831470

1072RoutingUSU Personal Contest 20012302471

1189Pairs of IntegersNEERC 2001832472

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional459474

1316Electronic AuctionUral Championship 2004. Round 1860475

1326Bottle TapsUral Championship 2004. Round 2853478

1273TieUSU Championship 2003842481

1329Galactic HistoryAutumn School Contest 2004856481

1091Tmutarakan ExamsUSU Local Contest. March 20012098482

1162Currency ExchangeNEERC 2001 Northern Subregional810482

1428Jedi RiddleTimus Top Coders: First Challenge831483

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection273484

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional314486

1236Decoding TaskNEERC 2002818487

1401GamersAutumn School Contest 2005853487

1971Graphics SettingsUral Championship 2013263487

1525PathPetrozavodsk Winter 2007. D.Gozman Contest731488

1430Crime and PunishmentTimus Top Coders: First Challenge818490

1628White StreaksUSU Championship 2008594491

1103Pencils and CirclesTetrahedron Team Online Contest May 2001784493

1884Way to the UniversityUral Regional School Programming Contest 2011374494

1579Coat TransportationAutumn School Contest 2007664497

1095Nikifor 3USU Local Contest. March 20012028498

1098Questions1931500

1322SpyUral Championship 2004. Round 2814501

1212BattleshipAutumn School Contest 2002791502

2074Timus problems classifierQualification of eastern subregional contest 2015105502

1182Team Them Up!NEERC 2001776505

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest658505

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional502507

1158Censored!NEERC 2001 Northern Subregional768508

1439Battle with You-Know-WhoUral Championship 2006778508

1891Language OceanNEERC 2011 Eastern Subregional360511

1066GarlandNEERC 20002173513

1577E-mailAutumn School Contest 2007643513

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014177513

1871Seismic WavesUral FU Championship 2011359516

1056Computer NetNEERC 2000 Central Subregional2275517

1414Astronomical DatabaseUSU Championship 2005798518

1870Zinium 2Ural FU Championship 2011357518

1980Road to InvestorUral Championship 2013246519

1045Funny GameUSU Local Contest. March 20002266520

1754Explosion in a PyramidUSU Personal Contest 2010460520

1729Dead Man's ChestUral Regional School Programming Contest 2009486522

1334CheckersAutumn School Contest 2004782525

1069Prufer CodeUSU Personal Contest 20012057527

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014172527

1600AirportUSU Personal Contest 2008596528

1366PresentsUral Championship 2005. Round 2782529

2048HistoryUral Championship 2015142531

2004Scientists from SpilkovoUral Regional School Programming Contest 2013224533

1314Chase in SubwayUral Championship 2004. Round 1761535

2064CaterpillarsUral Regional School Programming Contest 2015116536

1101Robot in the FieldTetrahedron Team Online Contest May 2001712542

1143Electric PathDSAP Vietnam Online Contest November 2001718543

1362Classmates 2Ural Championship 2005. Round 2762543

1400Cellular CharactersAutumn School Contest 2005758548

2009Canteen LineUral Regional School Programming Contest 2013217549

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005750551

1534Football in GondorUSU Personal Contest 2007639555

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional165555

1437Gasoline StationUSU Personal Contest 2006717556

1004Sightseeing TripCentral European Olympiad in Informatics 19992180557

1605Devil's SequenceUSU Personal Contest 2008565557

1027D++ AgainAutumn School Contest 20002162558

1465Pawn GamePetrozavodsk Winter 2006. USU Contest676560

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest158561

1713Key SubstringsNEERC 2009 Eastern Subregional451563

1760Infernal WorkUSU Personal Contest 2010424563

1928Another Ecology ProblemUral Regional School Programming Contest 2012268564

1448Lighting in HogwartsUral Championship 2006698566

1375Bill CleversUral Championship 2005. Round 1732567

1650BillionairesNEERC 2008 Eastern Subregional508568

1698Square Country 5Petrozavodsk Winter 2009. USU Contest484568

1838Samurai's StrokeUral Championship 2011352568

1822Hugo II's WarUSU Personal Contest 2011358569

1085MeetingSpring School Contest 20011864570

1064Binary SearchNEERC 20001947572

1710Boris, You Are Wrong!Ural Championship 2009476573

1966Cycling RoadsUral FU Personal Contest 2013228573

1071Nikifor 2USU Personal Contest 20011884575

1803The Czechs' RiflesNEERC 2010 Eastern Subregional377575

1172Ship RoutesRomanian Online Contest December 2001677576

1061Buffer ManagerNEERC 20001931577

1421Credit OperationsTimus Top Coders: First Challenge693577

2080WalletUral Championship 201676577

1682Crazy ProfessorUSU Personal Contest 2009477579

1550Dean's Pyramid 3Ural Championship 2007602580

1962In Chinese RestaurantUral FU Personal Contest 2013225581

1592Chinese WatchesNEERC 2007 Eastern Subregional561584

1706Cipher Message 2Ural Championship 2009464587

1806Mobile TelegraphsNEERC 2010 Eastern Subregional369587

1059ExpressionNEERC 2000 Central Subregional1990591

1070Local TimeUSU Personal Contest 20011830592

1325DirtUral Championship 2004. Round 2686593

1067Disk TreeNEERC 20001871595

1358CablesSpring School Contest 2005693595

1659Regular TrianglesNEERC 2008 Eastern Subregional484595

1445Christmas giftsUral Championship 2006660598

1939First SealUral FU Championship 2012249601

1701Ostap and PartnersUral Championship 2009450605

2089Experienced coachUral Championship 201672605

1309DisputeUral Championship 2004. Round 1671606

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest546607

1690Army of MagesPetrozavodsk Winter 2009. USU Contest451609

1990PodracingNEERC 2013 Eastern Subregional196611

1767The House of Doctor DeeUral Championship 2010385612

1054Hanoi TowerNEERC 2000 Central Subregional1890622

1892Morning in KoltsovoNEERC 2011 Eastern Subregional294622

1198Jobbery664624

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest474624

1866Poetic FootUral FU Championship 2011294626

2092BoleroUral FU Personal Contest 201465626

1332Genie BomberAutumn School Contest 2004652629

1542AutocompletionUral Championship 2007552631

2060Subpalindrome pairsPalindromic Contest 109633

1076Trash1683640

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest290640

1248Sequence SumUSU Personal Contest 2003621642

1903Unidentified ShipsUral Championship 2012236642

1254Die HardUSU Local Contest. March 2003620643

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009391645

1371Cargo AgencyUral Championship 2005. Round 1641646

1174Weird PermutationsRomanian Online Contest December 2001600648

1452Pascal vs. C++Timus Top Coders: Second Challenge603648

1234BricksNEERC 2002607653

1606SlalomUSU Personal Contest 2008477657

1096Get the Right Route Plate!USU Local Contest. March 20011533658

1253NecrologuesUSU Local Contest. March 2003605659

1186Chemical ReactionsNEERC 2001590662

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional228662

1564Counting OnesUSU Championship 2007495665

1500Pass LicensesNEERC 2006 Eastern Subregional553666

1961Cantonese DialectUral FU Personal Contest 2013195666

1943Space RummyUral FU Personal Contest 2012216667

1088Ilya MurometzSpring School Contest 20011583671

1486Equal SquaresUSU Championship 2006551673

1940Not So Simple YearsUral FU Championship 2012221674

1994The Emperor's planNEERC 2013 Eastern Subregional176677

1286Starship TravelUSU Personal Contest 2004597679

1443RailsUral Championship 2006576684

1168Radio StationsRomanian Online Contest December 2001562691

1132Square Root560692

1755CakeUSU Personal Contest 2010343693

1274Fractional ArithmeticNEERC 2003 Central Subregional581694

1772Ski-Trails for RobotsUral Championship 2010338694

1932The Secret of IdentifierUral FU Championship 2012214695

2008SwiftyUral Regional School Programming Contest 2013169697

1440Training ScheduleUral Championship 2006562700

1057Amount of DegreesNEERC 2000 Central Subregional1673702

1633HippogriffsUSU Championship 2008412702

1872Spacious OfficeUral FU Championship 2011261702

1305Convex HullUral Championship 1998575705

1773Metro to Every HomeUral Championship 2010333705

1250Sea BurialUSU Local Contest. March 2003564706

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest524709

1832Arirang ShowUral Championship 2011280709

1230Introspective ProgramNEERC 2002 Central Subregional554713

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection182714

1301Cube in LabyrinthUral Championship 1998566716

1611DecimationUral Championship 2008431719

1034Queens in Peaceful PositionsUral Championship 19991661723

1629TripUSU Championship 2008400723

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest520724

1775Space BowlingUral SU Championship 2010300724

1825Ifrit Bomber 2USU Personal Contest 2011279725

1169PairsRomanian Online Contest December 2001534727

1780Gray CodeUral SU Championship 2010298729

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional206729

1037Memory ManagementUSU Championship 20001624733

1405Goat in the Garden 5Autumn School Contest 2005564733

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012204733

1484Film RatingUSU Championship 2006504734

1830Help in the RNOSUral Championship 2011270734

1159FenceNEERC 2001 Northern Subregional525739

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest559739

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest116748

1235Cricket FieldNEERC 2002527751

1875Angry BirdsUral Regional School Programming Contest 2011242752

1016Cube on the WalkUSU Local Contest. 19991602753

1614National Project “Trams”Ural Championship 2008410754

1593Square Country. Version 2365758

1424MinibusTimus Top Coders: First Challenge524760

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional280767

1392Dreaming of Stars534773

1986Paul’s SaladsUral FU Championship 2013153776

1512ZiniumTimus Top Coders: Third Challenge465777

1647Divide an Island!Autumn School Contest 2008368780

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest422781

1646Godzilla Strikes Back!Autumn School Contest 2008367782

1974Similar TunesUral Championship 2013160782

1988Planet Ocean LandingUral FU Championship 2013151785

1042Central HeatingUSU Championship 20001506790

1587Flying PigNEERC 2007 Eastern Subregional410794

1716Alternative SolutionNEERC 2009 Eastern Subregional316796

1996Cipher Message 3NEERC 2013 Eastern Subregional148797

1323ClassmatesUral Championship 2004. Round 2507799

2052Physical EducationUral Championship 201591799

1030TitanicUral Championship 19991495803

1105Observers ColoringTetrahedron Team Online Contest May 2001476805

1268Little ChuUSU Championship 2003498806

1276TrainNEERC 2003 Central Subregional497808

1456Jedi Riddle 2Timus Top Coders: Second Challenge481809

1689Fisherman and BarbellUSU Personal Contest 2009338810

1738Computer SecurityUSU Championship 2009306814

1379Cups TransportationUral Championship 2005. Round 1504818

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest452820

1547Password SearchUral Championship 2007422821

1269Obscene Words FilterUSU Championship 2003488822

1147Shaping RegionsDSAP Vietnam Online Contest November 2001466830

1165SubnumberNEERC 2001 Northern Subregional464834

1927Herbs and MagicUral Regional School Programming Contest 2012178834

1705Gangster HaresUral Championship 2009323836

1720Summit Online JudgeNEERC 2009 Eastern Subregional300837

1436BillboardUSU Personal Contest 2006469844

2017Best of a bad lotNEERC 2014 Eastern Subregional105844

1936RoshamboUral FU Championship 2012174846

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest240855

1277Cops and ThievesNEERC 2003 Central Subregional469856

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest435863

1342EnterpriseUSU Championship 2004474864

1970皇后像廣場Ural FU Personal Contest 2013148864

1373Pictura ex MachinaUral Championship 2005. Round 1476866

1154Mages ContestUral Championship 2001. Round 2446867

1715Another Ball KillerNEERC 2009 Eastern Subregional288871

1824Ifrit BomberUSU Personal Contest 2011230873

1006Square FramesUSU Championship 19971382875

1578Mammoth HuntAutumn School Contest 2007373875

1498Stroke at Full SpeedAutumn School Contest 2006416884

2093All Roads Lead to SnowdriftUral FU Personal Contest 201443886

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest398887

1608Lucky Tickets 2008Ural Championship 2008346890

1324Extra SpacesUral Championship 2004. Round 2452894

1630TalismanUSU Championship 2008320898

1905Travel in TimeUral Championship 2012166898

1237Evacuation PlanNEERC 2002437903

1245PicturesUSU Personal Contest 2003438904

1233Amusing NumbersNEERC 2002435906

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest265906

1580Dean's DebtsAutumn School Contest 2007358911

1175Strange SequenceUSU Personal Contest 2002424915

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest295920

1364LaraKillerUral Championship 2005. Round 2444923

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest260923

1921Chaos and OrderUral Regional School Programming Contest 2012160923

1285Thread in a HyperspaceUSU Personal Contest 2004436924

1761Binary PalindromeUSU Personal Contest 2010254926

1836Babel FishUral Championship 2011212926

1863Peaceful AtomUral FU Championship 2011193937

1422FirefliesTimus Top Coders: First Challenge422940

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest311941

1575Yekaterinburg Subway 2Autumn School Contest 2007345944

1784RoundersUral SU Championship 2010227947

1827Indigenous WarsUSU Personal Contest 2011211948

1948The Robot on the LineUral FU Personal Contest 2012149948

1278“… Connecting People”NEERC 2003 Central Subregional419955

1883Ent's BirthdayUral Regional School Programming Contest 2011188958

1339BabiesUSU Championship 2004425961

1730ManBearPigUral Regional School Programming Contest 2009258966

1398Bishop and Pawn370967

1937Davy Jones’s OrganUral FU Championship 2012151967

1965Pear TreesUral FU Personal Contest 2013131968

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest87972

1040Airline CompanyUSU Championship 20001218975

1435Financial ErrorUSU Personal Contest 2006404976

1979Resources DistributionUral Championship 2013126977

1591Abstract ThinkingNEERC 2007 Eastern Subregional331978

1451Beerhouse TaleTimus Top Coders: Second Challenge396979

1887Frequent Flyer CardNEERC 2011 Eastern Subregional183979

1949The Best Picture in the GalaxyUral FU Personal Contest 2012144979

1976Game OptimizationUral Championship 2013125985

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest280989

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest331990

1130Nikifor's WalkUSU Championship 2001388991

1418Military StoryUSU Championship 2005412993

1569Networking the “Iset”USU Championship 2007328994

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest183996

1331VladislavaAutumn School Contest 2004407998

1983Nectar GatheringUral FU Championship 20131161004

1768Circular StringsUral Championship 20102271020

1907Coffee and BunsUral Championship 20121451020

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3631029

1539Intelligence DataUSU Personal Contest 20073401029

1075Thread in a SpaceUSU Personal Contest 200110401037

1518Jedi Riddle 3Timus Top Coders: Third Challenge3461037

1311Stable ConstructionUral Championship 2004. Round 13861043

1173Lazy SnailRomanian Online Contest December 20013691044

1570Eating HighUSU Championship 20073111047

1151RadiobeaconsUral Championship 2001. Round 23671049

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102011061

1879GOV-internship 2Ural Regional School Programming Contest 20111681065

1722Observation DeckUral Regional School Programming Contest 20092311074

2055Urban GeographyUral Championship 2015651076

1862Very Wealthy MoleUral FU Championship 20111661081

1317HailUral Championship 2004. Round 23711084

1790Searching for the TruthUral Regional School Programming Contest 20101961086

1341DeviceUSU Championship 20043721095

1447Portkey NetworkUral Championship 20063551098

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2161103

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2441104

1687Numismatics for FunUSU Personal Contest 20092451106

1434Buses in VasyukiUSU Personal Contest 20063521116

1540Battle for the RingUSU Personal Contest 20073101126

1444ElephpotamusUral Championship 20063451128

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1601130

1627JoinPetrozavodsk Winter 2008. ITMO Contest2571131

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1571154

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2401156

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3521162

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3161162

1511Fiscal OperationsTimus Top Coders: Third Challenge3071164

1595Perfect Sequence2241164

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1251166

1968Glass PyramidUral FU Personal Contest 20131071166

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1721175

2007Mutants versus MachinesUral Regional School Programming Contest 2013961176

1357Teakettle 1.0 for DummiesSpring School Contest 20053451179

1458War GamesTimus Top Coders: Second Challenge3271179

1408Polynomial MultiplicationAutumn School Contest 20053461182

1544Classmates 3Ural Championship 20072891186

1985Prime SquareUral FU Championship 2013961193

1736Chinese HockeyUSU Championship 20092051197

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1981198

2094Thousand ImpsUral FU Personal Contest 2014291204

1533Fat HobbitsUSU Personal Contest 20072891205

1359ConstructionSpring School Contest 20053351213

1453QueenTimus Top Coders: Second Challenge3171215

1307ArchiverUral Championship 2004. Round 13281221

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3041223

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2621227

1310ACM DiagnosticsUral Championship 2004. Round 13261229

1807Cartridges for MaximNEERC 2010 Eastern Subregional1711229

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1641229

1766Humpty DumptyUral Championship 20101861233

1035Cross-stitchUral Championship 19999611242

1546Japanese SortingUral Championship 20072741249

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2591255

1099Work Scheduling7211258

1393Average Common Prefix3191263

1657Cube SnakeNEERC 2008 Eastern Subregional2221268

1487Chinese FootballUSU Championship 20062871270

1538Towers of GuardUSU Personal Contest 20072731273

1669Universal WordPetrozavodsk Winter 2008. USU Contest2171274

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2861280

1321Floor IndicatorUral Championship 2004. Round 23121282

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1921285

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection961293

1686Photovoltaic SpaceshipUSU Personal Contest 20092071299

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2681301

1177Like ComparisonsUSU Personal Contest 20022921314

1360Philosophical DisputeUral Championship 2005. Round 23081318

1946Chinese Hockey 3Ural FU Personal Contest 20121041323

1947MeanderUral FU Personal Contest 20121041323

1097Square Country 2USU Local Contest. March 20017571324

1171Lost in SpaceRomanian Online Contest December 20012881327

1050Preparing an ArticleUSU Local Contest. March 20008811329

1328FireballAutumn School Contest 20043021334

1065FrontierNEERC 20008281337

1281River BasinNEERC 2003 Central Subregional2921357

2059Not common palindromesPalindromic Contest 451369

1318LogarithmUral Championship 2004. Round 22911372

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2531376

1499KerchiefsAutumn School Contest 20062631379

1240Heroes of Might and MagicNEERC 20022821381

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2061398

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection881398

1762Search for a Hiding-PlaceUSU Personal Contest 20101631413

1419Maps of the Island WorldsUSU Championship 20052861415

1345HTMLUSU Championship 20042851417

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2451419

1896War Games 2.1271420

2097Snowboarding on SpilnayaUral FU Personal Contest 2014231422

1441From the History of Gringotts BankUral Championship 20062711426

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1461426

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest561428

1449Credit Operations 2Timus Top Coders: Second Challenge2681429

1299PsyloniansSpring School Contest 20042781431

1265MirrorUSU Championship 20032751437

1266Kirchhoff's LawUSU Championship 20032721452

1347BlogSpring School Contest 20052781453

1170DesertRomanian Online Contest December 20012611460

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional971471

1412Autumn TideUSU Championship 20052741475

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1581483

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1191489

1950Martian FarmlandsUral FU Personal Contest 2012911493

1770The Party of Ural ChampionsUral Championship 20101501510

1043Cover an ArcUSU Championship 20007781520

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2391521

1886Trip 2NEERC 2011 Eastern Subregional1141524

1251Cemetery ManagerUSU Local Contest. March 20032551529

1802Cube PuzzleNEERC 2010 Eastern Subregional1351534

20503D-modelingUral Championship 2015421552

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection781557

1568Train Car SortingUSU Championship 20072051563

1241Inlay CuttersNEERC 20022481564

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest501571

1488ACM PokerUSU Championship 20062301572

1337BureaucracyAutumn School Contest 20042531582

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2561582

1565The Duel for ThreeUSU Championship 20072001600

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1231608

1670AsteriskPetrozavodsk Summer 2008. USU Contest1671621

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1061629

1908Brute-force SearchUral Championship 2012871629

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1661630

1485Football and LieUSU Championship 20062211633

1764TranssibUral Championship 20101381633

1782Jack's New WordUral SU Championship 20101271638

2085Magic ProgrammerUral Championship 2016201654

1583CheeseNEERC 2007 Eastern Subregional1901668

1257HyphenationAutumn School Contest 20032331684

1707Hypnotoad's SecretUral Championship 20091551687

1508Japanese PuzzleNEERC 2006 Eastern Subregional2101704

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1361707

1062TriathlonNEERC 20006411720

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1861722

1734Endgame DatabaseUSU Championship 20091391727

1338AutomobilesUSU Championship 20042321728

1378Artificial IntelligenceUral Championship 2005. Round 12331731

1841CablewaysPetrozavodsk Summer 2010. USU Contest1011736

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011736

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2111737

1420Integer-Valued Complex DivisionUSU Championship 20052311738

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1551739

1516NostalgiaTimus Top Coders: Third Challenge2001758

1046Geometrical DreamsUSU Local Contest. March 20006601767

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012121779

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1511782

1831Tsyfirkin's LessonUral Championship 20111051787

1610CactusesUral Championship 20081671790

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015221804

1702CrossroadUral Championship 20091441808

1514National ParkTimus Top Coders: Third Challenge1941810

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1881827

1492Vasya's Dad 2Autumn School Contest 20061941845

1304ParallelepipedUral Championship 19982131850

1757Gold BarsUSU Personal Contest 20101221852

1615Tram SolitaireUral Championship 20081611853

1417Space Poker 2USU Championship 20052161854

1093DartsUSU Local Contest. March 20015361860

1425Queen 2Timus Top Coders: First Challenge2081862

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest931865

2096All InclusiveUral FU Personal Contest 2014151878

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1031892

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1411900

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1211902

1781Clean CodeUral SU Championship 20101081902

1503PolynomialNEERC 2006 Eastern Subregional1871903

1532Lost in TranslationUSU Personal Contest 20071791906

1163ChapaevNEERC 2001 Northern Subregional1961919

1148Building TowersDSAP Vietnam Online Contest November 20011941936

1455Freedom of SpeechTimus Top Coders: Second Challenge1951938

1216Two Pawns and One KingUSU Championship 20021941972

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2031975

1634Spider MiteUSU Championship 20081401976

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1361980

2058100500 palidnromesPalindromic Contest 281981

1397Points Game1811984

1315MDPAR and MIIARUral Championship 2004. Round 11962004

1187Statistical TroubleNEERC 20011882006

1969Hong Kong TramUral FU Personal Contest 2013582007

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1342008

1839The MentaculusUral Championship 2011922015

1396Maximum. Version 21862016

1703Robotic ArmUral Championship 20091282017

1267Yekaterinburg SubwayUSU Championship 20031922028

1063Domino PuzzleNEERC 20005352053

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1862053

1541ChaseUSU Personal Contest 20071652059

1041NikiforUSU Championship 20005712062

2022Riding a ToadNEERC 2014 Eastern Subregional372066

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional662072

1977Energy WallUral Championship 2013542077

1288AstrolocationUSU Personal Contest 20041882081

1074Very Short ProblemUSU Personal Contest 20015092098

1188LibraryNEERC 20011792102

1867NanotechnologiesUral FU Championship 2011802114

1549Another Japanese PuzzleUral Championship 20071562137

1232Asteroid LandingNEERC 2002 Central Subregional1782140

1092TransversalUSU Local Contest. March 20014632147

1655Somali PiratesNEERC 2008 Eastern Subregional1262163

1543Dance RevolutionUral Championship 20071532176

1504Good MannersNEERC 2006 Eastern Subregional1622179

2053BiologyUral Championship 2015272182

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21812194

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872205

2090Crossroads of DestinyUral FU Personal Contest 2014112236

1850Space TourismPetrozavodsk Summer 2010. USU Contest752267

1284Space PokerUSU Personal Contest 20041712276

1833Hopes of RowingUral Championship 2011802284

1882Old NokiaUral Regional School Programming Contest 2011732284

1945Many-armed BrothersUral FU Personal Contest 2012562285

1270UnicubeUSU Championship 20031692288

1256Cemetery GuardUSU Local Contest. March 20031662302

1652Banking CrisisNEERC 2008 Eastern Subregional1172316

1895Steaks on BoardNEERC 2011 Eastern Subregional712333

1368Goat in the Garden 3Ural Championship 2005. Round 21692341

1481Winning ChancesUSU Championship 20061512343

1717Eligibility RulesNEERC 2009 Eastern Subregional992381

1758Bald Spot Revisited 2USU Personal Contest 2010922397

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest292417

1835Swamp DoctorUral Championship 2011752418

1829Routing TablesUSU Personal Contest 2011762435

2051PhysicsUral Championship 2015232446

1735Theft of the CenturyUSU Championship 2009952451

1739FaryuksUSU Championship 2009952451

1275Knights of the Round TableNEERC 2003 Central Subregional1532514

1972Game TestingUral Championship 2013422556

1978E-LiteUral Championship 2013422556

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1222557

1520Empire Strikes BackTimus Top Coders: Third Challenge1342563

1599Winding Number172568

1704DemodulationUral Championship 2009982578

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional902595

2006Kirill the GardenerUral Regional School Programming Contest 2013382598

1865The Island of MärketUral FU Championship 2011632606

1300TaxesUral Championship 19981482611

2084Technical debtUral Championship 201692612

1454Rectangles 2Timus Top Coders: Second Challenge1422614

1308Dean's PyramidUral Championship 2004. Round 11472630

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest712640

1312TrayUral Championship 2004. Round 11432698

1239Ghost BustersNEERC 20021392705

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest612706

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional482714

1798Fire Circle. Version 2172724

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection402741

1609Tram TileUral Championship 20081052756

2083The Guardian of TraditionsUral Championship 201682757

2087TrainsUral Championship 201682757

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1272765

1694Killer WordsPetrozavodsk Winter 2009. USU Contest902805

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest902805

1566Triangular PostcardsUSU Championship 20071092823

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest582833

1505Oil TransferNEERC 2006 Eastern Subregional1222840

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest902891

1637Triangle Game 2USU Championship 2008922905

1464LightPetrozavodsk Winter 2006. USU Contest1222908

1395Pascal vs. C++. Version 21262916

2079Memory leaksUral Championship 201672919

1482Triangle GameUSU Championship 20061182948

1367Top SecretUral Championship 2005. Round 21283037

1438Time Limit ExceededUSU Personal Contest 20061233039

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection353045

1058ChocolateNEERC 2000 Central Subregional3773046

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest533050

1681Brother Bear's GardenUSU Personal Contest 2009823065

141140 Islands KnightsUSU Championship 20051263080

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest703115

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection343115

1429BiscuitsTimus Top Coders: First Challenge1193146

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest863147

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest513150

1442Floo PowderUral Championship 20061173154

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest783188

1975Model of the EarthUral Championship 2013313242

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest193250

1597Chernobyl’ Eagle on a Roof. Version 2213267

2057Non-palidromic cuttingPalindromic Contest 133272

2061OEIS A216264Palindromic Contest 133273

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823283

1909Space ReconUral Championship 2012383293

2086Find DenisUral Championship 201653308

1166Funny Card GameNEERC 2001 Northern Subregional1133329

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1053338

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543342

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional373350

2049ChemistryUral Championship 2015143364

1834Tennis RacketUral Championship 2011513369

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1133421

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523449

2088Nostalgic EveningUral Championship 201643451

1938Caribbean TriangleUral FU Championship 2012353458

1509Domino RecognitionNEERC 2006 Eastern Subregional953570

1616Square Country 4Ural Championship 2008783601

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest433635

1199Mouse903673

1733Forgotten TechnologyUSU Championship 2009603676

1778Chinese Hockey 2Ural SU Championship 2010513679

1632LasersUSU Championship 2008703704

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813709

1765Error 404Ural Championship 2010553718

1847ZamkadyePetrozavodsk Summer 2010. USU Contest413778

1598DSA Attack163815

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1003825

2077ReductionsQualification of eastern subregional contest 201553849

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection253916

1999The secret moduleNEERC 2013 Eastern Subregional214060

2082PokerUral Championship 201624096

2076VasianaQualification of eastern subregional contest 201544124

1973Location GeneratorUral Championship 2013224153

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764207

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest804209

2054AstronomyUral Championship 201594248

1661DodecahedronPetrozavodsk Winter 2008. USU Contest584251

1967Programmer CasinoUral FU Personal Contest 2013224264

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest124285

1460WiresPetrozavodsk Winter 2006. USU Contest774413

2016Magic and ScienceNEERC 2014 Eastern Subregional124413

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554448

1271Sailing DirectionsUSU Championship 2003824452

1344Gigantic TurnipUSU Championship 2004824545

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest734564

1340CucarachaUSU Championship 2004814595

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest104713

1594Aztec Treasure474784

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest484837

1797Summit Online Judge. Version 2224991

1763Expert FleaUral Championship 2010385035

1771A Deputy's MorningUral Championship 2010385035

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest655051

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest725131

1426RectanglesTimus Top Coders: First Challenge695138

1801The Revolution CupNEERC 2010 Eastern Subregional335173

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest485208

1365Testing CalculatorUral Championship 2005. Round 2705238

1799Sasha and swag strings35315

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest695326

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest455492

1372Death StarUral Championship 2005. Round 1655609

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest235822

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest555828

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235839

1842Local RootsPetrozavodsk Summer 2010. USU Contest226021

1906The Lost CivilizationUral Championship 2012166078

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366285

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional366395

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356425

1363HalftonesUral Championship 2005. Round 2536652

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336673

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest226683

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356712

1653Death ConveyorNEERC 2008 Eastern Subregional327004

1596Knight Mare147382

1536Delights of Pipe-weedUSU Personal Contest 2007387506

1432Twofold LuckUSU Personal Contest 2006398248

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268391

1840Victim of AdvertisingUral Championship 2011138937

1376Dean's Pyramid 2Ural Championship 2005. Round 1378950

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219256

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269375

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection49786

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2910788

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1610789

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1611036

1399Economical Director2311126

1374MisereUral Championship 2005. Round 12711369

1415Mobile LifeUSU Championship 20052611632

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712500

1708Sum of Digits 2Ural Championship 20091212651

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1812919

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2213148

1369Cockroach RaceUral Championship 2005. Round 21616118

1548Sakura and StatisticsUral Championship 20071116891

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1417531

1589SokobanNEERC 2007 Eastern Subregional423832

1394Ships. Version 2528051