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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6563919

1001Reverse Root1835719

1785Lost in LocalizationUral Regional School Programming Contest 20101017919

1293EniyaSpring School Contest 20041725023

1877Bicycle CodesUral Regional School Programming Contest 2011690823

1409Two GangstersAutumn School Contest 20051652824

1820Ural SteaksUSU Personal Contest 2011649528

1787Turn for MEGAUral Regional School Programming Contest 2010640930

1264WorkdaysAutumn School Contest 20031221932

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011496932

2001Mathematicians and BerriesUral Regional School Programming Contest 2013289932

1197Lonesome KnightSpring School Contest 20021133033

2012About Grisha N.NEERC 2014 Eastern Subregional193933

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional364535

1639Chocolate 2Autumn School Contest 2008719837

1924Four ImpsUral Regional School Programming Contest 2012329938

1313Some Words about SportUral Championship 2004. Round 1915343

12091, 10, 100, 1000...Autumn School Contest 2002856644

1068Sum2347545

1567SMS-spamUSU Championship 2007689045

1319HotelUral Championship 2004. Round 2855546

1581TeamworkAutumn School Contest 2007669546

1225FlagsNEERC 2002 Central Subregional780449

1263ElectionsAutumn School Contest 2003777650

1585PenguinsNEERC 2007 Eastern Subregional612950

2023Donald is a postmanNEERC 2014 Eastern Subregional123451

1876Centipede's MorningUral Regional School Programming Contest 2011307852

1991The battle near the swampNEERC 2013 Eastern Subregional177952

1881Long problem statementUral Regional School Programming Contest 2011302453

1100Final StandingsTetrahedron Team Online Contest May 2001686854

1327FusesAutumn School Contest 2004717355

1893A380NEERC 2011 Eastern Subregional288555

1110PowerBulgarian Online Contest September 2001642658

1243Divorce of the Seven DwarfsUSU Personal Contest 2003663158

1493One Step from HappinessAutumn School Contest 2006611458

1349FarmSpring School Contest 2005671159

1607TaxiUSU Personal Contest 2008487460

1925British Scientists Save the WorldUral Regional School Programming Contest 2012204961

1496SpammerAutumn School Contest 2006567862

1545HieroglyphsUral Championship 2007535062

1636Penalty TimeUSU Championship 2008425163

1196History ExamSpring School Contest 2002573065

1149Sinus Dances562666

1837Isenbaev's NumberUral Championship 2011267566

2002Test TaskUral Regional School Programming Contest 2013136967

1617Flat SpotsUral Championship 2008428568

1723Sandro's BookUral Regional School Programming Contest 2009338968

1654Cipher MessageNEERC 2008 Eastern Subregional389569

2005Taxi for ProgrammersUral Regional School Programming Contest 2013133269

1563BayanUSU Championship 2007446470

1131CopyingUSU Championship 2001522671

1025Democracy in DangerAutumn School Contest 20001575472

1457Heating MainTimus Top Coders: Second Challenge519372

1224SpiralNEERC 2002 Central Subregional515674

1792Hamming CodeUral Regional School Programming Contest 2010263874

1935Tears of DrownedUral FU Championship 2012164175

2035Another Dress RehearsalUral Regional School Programming Contest 201482075

1712Cipher GrilleNEERC 2009 Eastern Subregional303876

2011Long StatementUral Regional School Programming Contest 2013120576

1083Factorials!!!Spring School Contest 20011302577

1502Domino DotsNEERC 2006 Eastern Subregional431581

1194HandshakesSpring School Contest 2002449783

1139City BlocksNEERC 2001 Central Subregional439984

1638BookwormUSU Championship 2008320484

1106Two TeamsTetrahedron Team Online Contest May 2001428286

1120Sum of Sequential NumbersAutumn School Contest 2001430386

1290SabotageSpring School Contest 2004453986

1902Neo-VeniceUral Championship 2012146086

1404Easy to Hack!Autumn School Contest 2005460487

2031Overturned NumbersUral Regional School Programming Contest 201470887

1180Stone GameUSU Personal Contest 2002415190

1796Amusement ParkUral Regional School Programming Contest 2010211192

1601AntiCAPSUSU Personal Contest 2008314393

1161StripiesNEERC 2001 Northern Subregional395394

1510OrderNEERC 2006 Eastern Subregional372494

1786Sandro's BiographyUral Regional School Programming Contest 2010205394

1119MetroAutumn School Contest 2001389995

16421D MazeAutumn School Contest 2008281295

2025Line FightingUral Regional School Programming Contest 201464995

1005Stone PileUSU Championship 19971194596

1731DillUral Regional School Programming Contest 2009238996

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201394996

1297PalindromeSpring School Contest 2004402697

1009K-based NumbersUSU Championship 19971170398

1644A Whole Lot of WalnutsAutumn School Contest 2008274098

1446Sorting HatUral Championship 2006382799

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013659100

2033DevicesUral Regional School Programming Contest 2014615100

1146Maximum SumDSAP Vietnam Online Contest November 20013689101

1370MagicianUral Championship 2005. Round 23894102

1873GOV ChroniclesUral Regional School Programming Contest 20111548102

1214Strange ProcedureAutumn School Contest 20023689103

1228ArrayNEERC 2002 Central Subregional3638104

1777AnindilyakwaUral SU Championship 20101858105

1136ParliamentNEERC 2001 Central Subregional3502106

1020RopeAutumn School Contest 200010573108

1014Product of DigitsUSU Local Contest. 199910439109

1118Nontrivial NumbersAutumn School Contest 20013413109

1573AlchemyAutumn School Contest 20072827109

1203Scientific ConferenceUSU Local Contest. March 20023391110

1330IntervalsAutumn School Contest 20043547111

1296HyperjumpSpring School Contest 20043491112

1082Gaby IvanushkaSpring School Contest 20018921113

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional553113

1079MaximumWinter Mathematical Festival Varna 20018780115

1192Ball in a DreamSpring School Contest 20023239115

1582BookmakersNEERC 2007 Eastern Subregional2649116

2000Grand Theft Array VUral Regional School Programming Contest 2013785116

1044Lucky Tickets. Easy!USU Championship 20009631117

1226esreveR redrONEERC 2002 Central Subregional3204118

1711Code NamesNEERC 2009 Eastern Subregional1943119

1126Magnetic StormsUSU Championship 20013075121

1219Symbolic SequenceUSU Championship 20023127121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023075122

1868Prediction ContestUral FU Championship 20111285124

1086CryptographySpring School Contest 20018001126

1123SalaryAutumn School Contest 20012942126

1353Milliard Vasya's FunctionSpring School Contest 20053095128

1683FridgeUSU Personal Contest 20091981128

1688Team.GOV!USU Personal Contest 20091966129

1283DwarfUSU Personal Contest 20042961131

1336Problem of Ben BetsalelAutumn School Contest 20042998131

1725Sold Out!Ural Regional School Programming Contest 20091754131

1931Excellent TeamUral FU Championship 2012936131

1964Chinese DialectsUral FU Personal Contest 2013775133

1984Dummy GuyOpen Ural FU Championship 2013695133

1260Nudnik PhotographerAutumn School Contest 20032870134

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101436135

1022Genealogical TreeAutumn School Contest 20008399136

1021Sacrament of the SumAutumn School Contest 20008250138

1352Mersenne PrimesSpring School Contest 20052873138

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional668138

1740Deer is Better!USU Championship 20091635140

1222Chernobyl’ EaglesUSU Championship 20022672142

1612Tram ForumUral Championship 20082046142

1821BiathlonUSU Personal Contest 20111258142

1864Get-Together at Den'sUral FU Championship 20111117142

1026Questions and AnswersAutumn School Contest 20007971143

1402CocktailsAutumn School Contest 20052774143

1982Electrification PlanOpen Ural FU Championship 2013645143

1142RelationsDSAP Vietnam Online Contest November 20012581144

2018The Debut AlbumNEERC 2014 Eastern Subregional427145

1576Telephone TariffsAutumn School Contest 20072113146

1178Akbardin’s RoadsUSU Personal Contest 20022502149

1084Goat in the GardenSpring School Contest 20016704150

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional816153

1756One and a Half DiggersUSU Personal Contest 20101388155

1878Rubinchik's CubeUral Regional School Programming Contest 20111022155

1306Sequence MedianUral Championship 19982490156

1572Yekaterinozavodsk Great WellAutumn School Contest 20071977156

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional797156

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional395157

1210Kind SpiritsAutumn School Contest 20022378159

1073Square CountryUSU Personal Contest 20016272163

1709Penguin-AviaUral Championship 20091533163

1944Record of the Attack at the OrbitUral FU Personal Contest 2012717164

1135RecruitsNEERC 2001 Central Subregional2246165

1157Young TilerUral Championship 2001. Round 22254165

1295Crazy NotionsSpring School Contest 20042357165

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101171165

1017StaircasesUSU Local Contest. 19996856166

1167Bicolored HorsesRomanian Online Contest December 20012236166

1874Football GoalUral Regional School Programming Contest 2011953166

1506Columns of NumbersNEERC 2006 Eastern Subregional2096167

1769Old Ural LegendUral Championship 20101243170

1213Cockroaches!Autumn School Contest 20022214171

1800Murphy's LawNEERC 2010 Eastern Subregional1122171

1012K-based Numbers. Version 26649172

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091336172

1869New Year CruiseUral FU Championship 2011921172

1280Topological SortingNEERC 2003 Central Subregional2233173

1613For Fans of StatisticsUral Championship 20081661174

1640Circle of WinterAutumn School Contest 20081512177

1789Searching for the DodecahedronUral Regional School Programming Contest 20101092177

1354Palindrome. Again PalindromeSpring School Contest 20052225178

1685OrthographyUSU Personal Contest 20091421178

1193Queue at the ExamSpring School Contest 20022079179

1413Mars JumperUSU Championship 20052215179

1048Superlong SumsUSU Local Contest. March 20006132181

1272Non-Yekaterinburg SubwayUSU Championship 20032131181

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional341181

1335White ThesisAutumn School Contest 20042156182

1134CardsNEERC 2001 Central Subregional2011184

1586Threeprime NumbersNEERC 2007 Eastern Subregional1671184

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1449184

1102Strange DialogTetrahedron Team Online Contest May 20011961187

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1380187

1164FillwordNEERC 2001 Northern Subregional1969188

1846GCD 2010Petrozavodsk Summer 2010. USU Contest857188

1930Ivan's CarUral Regional School Programming Contest 2012657188

1645Ski RaceAutumn School Contest 20081395191

1114BoxesBulgarian Online Contest September 20011913193

1208Legendary Teams ContestUSU Local Contest. March 20021930193

1885Passenger ComfortNEERC 2011 Eastern Subregional815193

1207Median on the PlaneUSU Local Contest. March 20021914195

1133Fibonacci SequenceNEERC 2001 Central Subregional1875197

1138Integer PercentageNEERC 2001 Central Subregional1872198

1023ButtonsAutumn School Contest 20005733199

1680The First NonqualifyingUSU Personal Contest 20091274199

1112CoverBulgarian Online Contest September 20011829202

1423String TaleTimus Top Coders: First Challenge1876203

1987Nested SegmentsOpen Ural FU Championship 2013448205

2024Adventure TimeUral Regional School Programming Contest 2014289209

1002Phone NumbersCentral European Olympiad in Informatics 19995413211

1152False MirrorsUral Championship 2001. Round 21745212

1249Ancient NecropolisUSU Local Contest. March 20031800212

1348Goat in the Garden 2Spring School Contest 20051853213

1200Horns and HoofsUSU Local Contest. March 20021732215

1515CashmasterTimus Top Coders: Third Challenge1575218

1737Mnemonics and Palindromes 3USU Championship 20091045218

1922Superhero TeamUral Regional School Programming Contest 2012563219

1052Rabbit HuntUSU Local Contest. March 20005059220

1011ConductorsUSU Championship 19975169221

1491Unreal StoryAutumn School Contest 20061588221

1889Airport AnnouncementsNEERC 2011 Eastern Subregional707222

1998The old PadawanNEERC 2013 Eastern Subregional409223

2003Simple MagicUral Regional School Programming Contest 2013399225

1125HopscotchUSU Championship 20011631227

1490Fire CircleAutumn School Contest 20061544227

1033LabyrinthUral Championship 19994943230

1024PermutationsAutumn School Contest 20004909232

1183Brackets SequenceNEERC 20011603232

1795Husband in a ShopUral Regional School Programming Contest 2010829232

1494MonobilliardsAutumn School Contest 20061508233

1981Parallel and PerpendicularOpen Ural FU Championship 2013393233

1049Brave BalloonistsUSU Local Contest. March 20004740235

1333Genie Bomber 2Autumn School Contest 20041670235

1150Page NumbersUral Championship 2001. Round 21554238

1826MinefieldUSU Personal Contest 2011743239

2021Scarily interesting!NEERC 2014 Eastern Subregional256239

1635Mnemonics and PalindromesUSU Championship 20081111241

1191Catch the thief!Spring School Contest 20021536242

1122GameAutumn School Contest 20011521243

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1629244

1355Bald Spot RevisitedSpring School Contest 20051611245

2056ScholarshipUral Championship 2015180245

1204IdempotentsUSU Local Contest. March 20021507247

1108HeritageBulgarian Online Contest September 20011489248

1247Check a SequenceUSU Personal Contest 20031530249

1205By the Underground or by Foot?USU Local Contest. March 20021493250

1113JeepBulgarian Online Contest September 20011471251

1242WerewolfUSU Personal Contest 20031516251

1718RejudgeNEERC 2009 Eastern Subregional914251

1603EruditeUSU Personal Contest 20081161252

1010Discrete FunctionUSTU PhysTech Cup 20004517253

1779The Great TeamUral SU Championship 2010764253

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012486253

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013956256

1433DiamondsUSU Personal Contest 20061485256

1298KnightSpring School Contest 20041508257

1823Ideal GasUSU Personal Contest 2011690257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1292260

1303Minimal CoverageUral Championship 19981480262

1933Guns for Battle!Ural FU Championship 2012465262

1195Ouths and CrossesSpring School Contest 20021412264

1726VisitsUral Regional School Programming Contest 2009863265

1080Map ColoringWinter Mathematical Festival Varna 20013803266

1087The Time to Take StonesSpring School Contest 20013754267

1028StarsUral Championship 19994219269

1047Simple CalculationsUSU Local Contest. March 20004101271

1109ConferenceBulgarian Online Contest September 20011358271

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031405271

1220StacksUSU Championship 20021382273

1989SubpalindromesOpen Ural FU Championship 2013332275

1211Collective GuaranteeAutumn School Contest 20021362277

1117HierarchyAutumn School Contest 20011327278

1179Numbers in TextUSU Personal Contest 20021339278

1590Bacon’s CipherNEERC 2007 Eastern Subregional1092280

1658Sum of DigitsNEERC 2008 Eastern Subregional941282

1537EntsUSU Personal Contest 20071174284

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014209285

1032Find a MultipleUral Championship 19993445288

1053PinocchioNEERC 2000 Central Subregional3849288

1244GentlemenUSU Personal Contest 20031318288

1684Jack's Last WordUSU Personal Contest 2009876288

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional660289

1741Communication FiendUSU Championship 2009782290

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest748292

1497Cutting a SquareAutumn School Contest 20061195293

1018Binary Apple TreeUSU Local Contest. 19993871294

1904The Lessons of the PastUral Championship 2012421294

1184Cable MasterNEERC 20011256296

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1189297

1501Sense of BeautyNEERC 2006 Eastern Subregional1174297

1551Sumo TournamentUral Championship 20071100298

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional303298

1377Lara CroftUral Championship 2005. Round 11316301

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1170301

1941Scary Martian WordUral FU Personal Contest 2012384303

1753BookshelfUSU Personal Contest 2010702304

1793Tray 2Ural Regional School Programming Contest 2010630305

1036Lucky Tickets3690307

1215Exactness of Projectile HitAutumn School Contest 20021218309

1116Piecewise Constant FunctionAutumn School Contest 20011181312

2026Dean and ScheduleUral Regional School Programming Contest 2014190312

1127Colored BricksUSU Championship 20011178313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest691316

1190Bar of ChocolateSpring School Contest 20021160320

1992CVSNEERC 2013 Eastern Subregional282320

2034CaravansUral Regional School Programming Contest 2014185320

1121BranchesAutumn School Contest 20011149321

1008Image EncodingUSTU PhysTech Cup 20003543322

1294Mars SatellitesSpring School Contest 20041202322

1153SupercomputerUral Championship 2001. Round 21144323

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest774324

1995Illegal spicesNEERC 2013 Eastern Subregional277325

1934Black SpotUral FU Championship 2012371326

1302Delta-waveUral Championship 19981179329

1588JamaicaNEERC 2007 Eastern Subregional925330

1029MinistryUral Championship 19992990331

1124MosaicUSU Championship 20011111332

1604Country of FoolsUSU Personal Contest 2008869335

1648YachtsAutumn School Contest 2008793335

1060Flip GameNEERC 20003133336

1901Space ElevatorsUral Championship 2012367336

1137Bus RoutesNEERC 2001 Central Subregional1088339

1185WallNEERC 20011087342

1201Which Day Is It?USU Local Contest. March 20021084343

1227Rally ChampionshipNEERC 2002 Central Subregional1098343

1320Graph DecompositionUral Championship 2004. Round 21123345

1406Next NumberAutumn School Contest 20051144346

1828Approximation by a ProgressionUSU Personal Contest 2011511346

1031Railway TicketsUral Championship 19993271347

1223Chernobyl’ Eagle on a RoofUSU Championship 20021076350

1963KiteUral FU Personal Contest 2013288350

1923Scary PoliticsUral Regional School Programming Contest 2012346352

1140Swamp IncidentNEERC 2001 Central Subregional1045353

1521War Games 2Timus Top Coders: Third Challenge969353

1090In the Army NowUSU Local Contest. March 20012695354

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014166354

1483Table FootballUSU Championship 2006985356

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest446356

1262Pseudo-Roman NumberAutumn School Contest 20031073358

1007Code WordsUSU Championship 19973174360

1160NetworkNEERC 2001 Northern Subregional1049360

1218Episode N-th: The Jedi TournamentUSU Championship 20021039362

1517Freedom of ChoiceTimus Top Coders: Third Challenge945362

1450Russian PipelinesTimus Top Coders: Second Challenge1024363

1261TipsAutumn School Contest 20031055364

1759Long-LiversUSU Personal Contest 2010585364

1282Game TreeNEERC 2003 Central Subregional1051366

1783Nuclear Arms RaceUral SU Championship 2010525366

1055CombinationsNEERC 2000 Central Subregional3022367

1292Mars Space StationsSpring School Contest 20041054367

1156Two RoundsUral Championship 2001. Round 21003368

1574Mathematicians and bracketsAutumn School Contest 2007830370

1246Tethered DogUSU Personal Contest 20031021371

1431DiplomasUSU Personal Contest 20061014373

1403CourierAutumn School Contest 20051058374

1631Drunk King 2USU Championship 2008712374

1346Intervals of MonotonicityUSU Championship 20041041377

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional158378

1078SegmentsWinter Mathematical Festival Varna 20012660380

1651Shortest SubchainNEERC 2008 Eastern Subregional695380

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional407381

1039Anniversary PartyUSU Championship 20002936383

1229Strong BrickworkNEERC 2002 Central Subregional983383

1562GM-pineappleUSU Championship 2007796386

1860FiborialPetrozavodsk Summer 2011. USU Contest410386

1259How to Become Star?Autumn School Contest 2003991387

1942Attack at the OrbitUral FU Personal Contest 2012298387

1003ParityCentral European Olympiad in Informatics 19992948388

1015Test the Difference!USU Local Contest. 19992917390

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest856390

1013K-based Numbers. Version 3161391

1489Points on a ParallelepipedAutumn School Contest 2006890393

1774Barber of the Army of MagesUral SU Championship 2010488393

1176HyperchannelsUSU Personal Contest 2002941394

1115ShipsBulgarian Online Contest September 2001930395

1279WarehouseNEERC 2003 Central Subregional968397

2030Awesome Backup SystemUral Regional School Programming Contest 2014147397

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest650398

1094E-screenUSU Local Contest. March 20012387399

1217Unlucky TicketsUSU Championship 2002939400

1407One-two, One-twoAutumn School Contest 2005989400

1427SMSTimus Top Coders: First Challenge945402

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest539403

1111SquaresBulgarian Online Contest September 2001908404

1289One Way TicketUSU Personal Contest 2004952406

1356Something EasierSpring School Contest 2005968406

1038Spell CheckerUSU Championship 20002741410

1141RSA Attack895411

1732Ministry of TruthUSU Championship 2009549411

1287Mars CanalsUSU Personal Contest 2004938412

1571InterpretersUSU Championship 2007743413

1107Warehouse ProblemTetrahedron Team Online Contest May 2001880414

1350CanteenSpring School Contest 2005946415

1495One-two, One-two 2Autumn School Contest 2006842415

1480CouponsUSU Championship 2006837418

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional291419

1077Travelling Tours875420

1507Difficult DecisionNEERC 2006 Eastern Subregional827420

1089Verification with a VocabularySpring School Contest 20012380421

1602ElevatorUSU Personal Contest 2008690421

1252Sorting the TombstonesUSU Local Contest. March 2003893424

1971Graphics SettingsUral Championship 2013227425

1128Partition into GroupsUSU Championship 2001863426

1700AwakeningUral Championship 2009580426

1202Rectangles TravelUSU Local Contest. March 2002867428

1513Lemon TaleTimus Top Coders: Third Challenge797428

1181Cutting a Painted PolygonUSU Personal Contest 2002863429

1519Formula 1Timus Top Coders: Third Challenge794430

1019Line PaintingUSU Local Contest. 19992620434

1291Gear-wheelsSpring School Contest 2004890434

1641DutiesAutumn School Contest 2008603438

1776Anniversary FireworkUral SU Championship 2010436439

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional429441

1221Malevich Strikes Back!USU Championship 2002849442

1890Money out of Thin AirNEERC 2011 Eastern Subregional347445

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014130445

1051Simple Game on a GridUSU Local Contest. March 20002479448

1416ConfidentialUSU Championship 2005877448

1728Curse on Team.GOVUral Regional School Programming Contest 2009504450

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001812453

1129Door PaintingUSU Championship 2001805456

1258PoolAutumn School Contest 2003837457

1643Attack of the Dark FortressAutumn School Contest 2008576458

1410CrackUSU Championship 2005856459

2004Scientists from SpilkovoUral Regional School Programming Contest 2013189463

1072RoutingUSU Personal Contest 20012199464

1155TroubleduonsUral Championship 2001. Round 2788467

1189Pairs of IntegersNEERC 2001793467

2009Canteen LineUral Regional School Programming Contest 2013187468

1535The Hobbit or There and Back AgainUSU Personal Contest 2007707469

1871Seismic WavesUral FU Championship 2011331470

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest119470

2046The First Day at SchoolUral Championship 201589470

1091Tmutarakan ExamsUSU Local Contest. March 20012009474

1980Road to InvestorUral Championship 2013202475

1162Currency ExchangeNEERC 2001 Northern Subregional773476

1900Brainwashing DeviceUral Championship 2012256476

1428Jedi RiddleTimus Top Coders: First Challenge791479

1236Decoding TaskNEERC 2002783480

1525PathPetrozavodsk Winter 2007. D.Gozman Contest694480

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014120480

1343Fairy TaleUSU Championship 2004814481

1628White StreaksUSU Championship 2008547485

1870Zinium 2Ural FU Championship 2011320485

1401GamersAutumn School Contest 2005808488

1098Questions1859489

1095Nikifor 3USU Local Contest. March 20011942490

1891Language OceanNEERC 2011 Eastern Subregional313492

1273TieUSU Championship 2003775494

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional459495

1579Coat TransportationAutumn School Contest 2007616496

1066GarlandNEERC 20002107498

1729Dead Man's ChestUral Regional School Programming Contest 2009454498

1884Way to the UniversityUral Regional School Programming Contest 2011310498

1212BattleshipAutumn School Contest 2002750500

1928Another Ecology ProblemUral Regional School Programming Contest 2012241500

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional117500

1103Pencils and CirclesTetrahedron Team Online Contest May 2001726501

1329Galactic HistoryAutumn School Contest 2004777501

1754Explosion in a PyramidUSU Personal Contest 2010422501

1430Crime and PunishmentTimus Top Coders: First Challenge755502

1322SpyUral Championship 2004. Round 2765505

1326Bottle TapsUral Championship 2004. Round 2764505

1316Electronic AuctionUral Championship 2004. Round 1758509

1056Computer NetNEERC 2000 Central Subregional2172510

1182Team Them Up!NEERC 2001725510

1158Censored!NEERC 2001 Northern Subregional712516

1990PodracingNEERC 2013 Eastern Subregional171516

1966Cycling RoadsUral FU Personal Contest 2013192517

1838Samurai's StrokeUral Championship 2011330518

1238FoldingNEERC 2002724520

1962In Chinese RestaurantUral FU Personal Contest 2013190522

1069Prufer CodeUSU Personal Contest 20011944525

1334CheckersAutumn School Contest 2004741525

1803The Czechs' RiflesNEERC 2010 Eastern Subregional358526

1366PresentsUral Championship 2005. Round 2741529

1045Funny GameUSU Local Contest. March 20002094530

1577E-mailAutumn School Contest 2007576530

1600AirportUSU Personal Contest 2008545531

1439Battle with You-Know-WhoUral Championship 2006697535

1143Electric PathDSAP Vietnam Online Contest November 2001685536

1314Chase in SubwayUral Championship 2004. Round 1711542

1400Cellular CharactersAutumn School Contest 2005724544

1027D++ AgainAutumn School Contest 20002074547

1939First SealUral FU Championship 2012217547

1806Mobile TelegraphsNEERC 2010 Eastern Subregional343548

1101Robot in the FieldTetrahedron Team Online Contest May 2001661549

1994The Emperor's planNEERC 2013 Eastern Subregional159552

1414Astronomical DatabaseUSU Championship 2005708553

1064Binary SearchNEERC 20001888556

1866Poetic FootUral FU Championship 2011276560

1362Classmates 2Ural Championship 2005. Round 2698561

1605Devil's SequenceUSU Personal Contest 2008514562

1710Boris, You Are Wrong!Ural Championship 2009438562

1085MeetingSpring School Contest 20011778563

1198Jobbery699563

1061Buffer ManagerNEERC 20001860564

1713Key SubstringsNEERC 2009 Eastern Subregional401564

1892Morning in KoltsovoNEERC 2011 Eastern Subregional271565

1004Sightseeing TripCentral European Olympiad in Informatics 19992015566

1767The House of Doctor DeeUral Championship 2010367566

1822Hugo II's WarUSU Personal Contest 2011308566

1071Nikifor 2USU Personal Contest 20011798567

1550Dean's Pyramid 3Ural Championship 2007572568

1903Unidentified ShipsUral Championship 2012213568

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005684572

1698Square Country 5Petrozavodsk Winter 2009. USU Contest434572

1059ExpressionNEERC 2000 Central Subregional1931573

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest536573

1650BillionairesNEERC 2008 Eastern Subregional456575

1437Gasoline StationUSU Personal Contest 2006652577

1448Lighting in HogwartsUral Championship 2006644578

1701Ostap and PartnersUral Championship 2009425578

1421Credit OperationsTimus Top Coders: First Challenge651581

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional207581

1534Football in GondorUSU Personal Contest 2007567583

1070Local TimeUSU Personal Contest 20011740586

1445Christmas giftsUral Championship 2006634587

1659Regular TrianglesNEERC 2008 Eastern Subregional445589

1760Infernal WorkUSU Personal Contest 2010356591

1592Chinese WatchesNEERC 2007 Eastern Subregional512592

1375Bill CleversUral Championship 2005. Round 1663593

1172Ship RoutesRomanian Online Contest December 2001617595

1682Crazy ProfessorUSU Personal Contest 2009418596

1706Cipher Message 2Ural Championship 2009409600

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest91600

1067Disk TreeNEERC 20001739602

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest510602

1932The Secret of IdentifierUral FU Championship 2012196603

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest447604

1690Army of MagesPetrozavodsk Winter 2009. USU Contest410604

1054Hanoi TowerNEERC 2000 Central Subregional1828605

1940Not So Simple YearsUral FU Championship 2012195606

1943Space RummyUral FU Personal Contest 2012186608

1358CablesSpring School Contest 2005640611

2008SwiftyUral Regional School Programming Contest 2013140614

1961Cantonese DialectUral FU Personal Contest 2013158621

1325DirtUral Championship 2004. Round 2617624

1309DisputeUral Championship 2004. Round 1615626

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest249626

1465Pawn GamePetrozavodsk Winter 2006. USU Contest563630

1076Trash1603632

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012186640

1096Get the Right Route Plate!USU Local Contest. March 20011482641

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional186643

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup153644

1234BricksNEERC 2002581645

1088Ilya MurometzSpring School Contest 20011538650

1174Weird PermutationsRomanian Online Contest December 2001564650

1974Similar TunesUral Championship 2013145650

1872Spacious OfficeUral FU Championship 2011236651

1248Sequence SumUSU Personal Contest 2003577652

1986Paul’s SaladsOpen Ural FU Championship 2013134653

1755CakeUSU Personal Contest 2010321654

1606SlalomUSU Personal Contest 2008440655

1254Die HardUSU Local Contest. March 2003574656

1253NecrologuesUSU Local Contest. March 2003573657

1832Arirang ShowUral Championship 2011257659

1186Chemical ReactionsNEERC 2001558660

1452Pascal vs. C++Timus Top Coders: Second Challenge558660

1542AutocompletionUral Championship 2007491660

1443RailsUral Championship 2006562661

1773Metro to Every HomeUral Championship 2010312663

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup148664

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009336668

1332Genie BomberAutumn School Contest 2004574675

1564Counting OnesUSU Championship 2007451675

1633HippogriffsUSU Championship 2008390675

2047MathsUral Championship 201559675

1830Help in the RNOSUral Championship 2011250677

1500Pass LicensesNEERC 2006 Eastern Subregional507680

1988Planet Ocean LandingOpen Ural FU Championship 2013128681

1875Angry BirdsUral Regional School Programming Contest 2011223684

1371Cargo AgencyUral Championship 2005. Round 1571687

1440Training ScheduleUral Championship 2006534695

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest501696

1996Cipher Message 3NEERC 2013 Eastern Subregional124697

1629TripUSU Championship 2008376700

1274Fractional ArithmeticNEERC 2003 Central Subregional540705

1772Ski-Trails for RobotsUral Championship 2010293705

1486Equal SquaresUSU Championship 2006491707

1286Starship TravelUSU Personal Contest 2004540709

1034Queens in Peaceful PositionsUral Championship 19991592710

1301Cube in LabyrinthUral Championship 1998540710

1230Introspective ProgramNEERC 2002 Central Subregional524712

1775Space BowlingUral SU Championship 2010263716

1305Convex HullUral Championship 1998535717

1057Amount of DegreesNEERC 2000 Central Subregional1530722

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional258722

1037Memory ManagementUSU Championship 20001546724

1168Radio StationsRomanian Online Contest December 2001505724

1780Gray CodeUral SU Championship 2010259727

2017Best of a bad lotNEERC 2014 Eastern Subregional77730

1611DecimationUral Championship 2008388732

1614National Project “Trams”Ural Championship 2008388732

1132Square Root496735

1016Cube on the WalkUSU Local Contest. 19991538737

1235Cricket FieldNEERC 2002507737

1405Goat in the Garden 5Autumn School Contest 2005531738

1825Ifrit Bomber 2USU Personal Contest 2011234738

1159FenceNEERC 2001 Northern Subregional495739

1250Sea BurialUSU Local Contest. March 2003505744

1936RoshamboUral FU Championship 2012157744

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest408749

1646Godzilla Strikes Back!Autumn School Contest 2008348750

1927Herbs and MagicUral Regional School Programming Contest 2012156756

1738Computer SecurityUSU Championship 2009293758

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest463763

1587Flying PigNEERC 2007 Eastern Subregional395763

2048HistoryUral Championship 201551763

1512ZiniumTimus Top Coders: Third Challenge440768

1424MinibusTimus Top Coders: First Challenge488771

1484Film RatingUSU Championship 2006449772

1434Buses in VasyukiUSU Personal Contest 2006483775

1716Alternative SolutionNEERC 2009 Eastern Subregional288778

1169PairsRomanian Online Contest December 2001469779

1042Central HeatingUSU Championship 20001434781

1392Dreaming of Stars498786

1705Gangster HaresUral Championship 2009309789

1905Travel in TimeUral Championship 2012150792

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest438794

1689Fisherman and BarbellUSU Personal Contest 2009311795

1720Summit Online JudgeNEERC 2009 Eastern Subregional281797

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest221799

1593Square Country. Version 2311803

1030TitanicUral Championship 19991404804

1547Password SearchUral Championship 2007400807

1276TrainNEERC 2003 Central Subregional470808

1165SubnumberNEERC 2001 Northern Subregional449813

1456Jedi Riddle 2Timus Top Coders: Second Challenge448819

1647Divide an Island!Autumn School Contest 2008318819

1948The Robot on the LineUral FU Personal Contest 2012135822

1268Little ChuUSU Championship 2003460825

1715Another Ball KillerNEERC 2009 Eastern Subregional271826

1105Observers ColoringTetrahedron Team Online Contest May 2001435828

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest471830

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest63830

1379Cups TransportationUral Championship 2005. Round 1469833

1824Ifrit BomberUSU Personal Contest 2011206833

1269Obscene Words FilterUSU Championship 2003455834

1979Resources DistributionUral Championship 2013109846

1921Chaos and OrderUral Regional School Programming Contest 2012138848

1630TalismanUSU Championship 2008308850

1147Shaping RegionsDSAP Vietnam Online Contest November 2001427852

1608Lucky Tickets 2008Ural Championship 2008332852

1983Nectar GatheringOpen Ural FU Championship 2013100854

1154Mages ContestUral Championship 2001. Round 2426855

1863Peaceful AtomUral FU Championship 2011177856

1836Babel FishUral Championship 2011195859

1970皇后像廣場Ural FU Personal Contest 2013111862

1006Square FramesUSU Championship 19971312866

1883Ent's BirthdayUral Regional School Programming Contest 2011174867

1436BillboardUSU Personal Contest 2006429870

1498Stroke at Full SpeedAutumn School Contest 2006396870

1949The Best Picture in the GalaxyUral FU Personal Contest 2012127870

1323ClassmatesUral Championship 2004. Round 2439871

1761Binary PalindromeUSU Personal Contest 2010238873

1233Amusing NumbersNEERC 2002423880

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest241882

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest373883

1976Game OptimizationUral Championship 2013104883

1324Extra SpacesUral Championship 2004. Round 2432885

1578Mammoth HuntAutumn School Contest 2007339890

1342EnterpriseUSU Championship 2004435891

1373Pictura ex MachinaUral Championship 2005. Round 1435897

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest297899

1277Cops and ThievesNEERC 2003 Central Subregional420902

1937Davy Jones’s OrganUral FU Championship 2012127907

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest387909

1245PicturesUSU Personal Contest 2003410911

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest232915

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest266919

1364LaraKillerUral Championship 2005. Round 2422920

1580Dean's DebtsAutumn School Contest 2007327921

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest164932

1278“… Connecting People”NEERC 2003 Central Subregional403939

1237Evacuation PlanNEERC 2002396940

1575Yekaterinburg Subway 2Autumn School Contest 2007320941

1285Thread in a HyperspaceUSU Personal Contest 2004404942

1827Indigenous WarsUSU Personal Contest 2011180947

1887Frequent Flyer CardNEERC 2011 Eastern Subregional157951

1730ManBearPigUral Regional School Programming Contest 2009233952

1422FirefliesTimus Top Coders: First Challenge391957

1784RoundersUral SU Championship 2010194959

1879GOV-internship 2Ural Regional School Programming Contest 2011155967

1398Bishop and Pawn344972

1175Strange SequenceUSU Personal Contest 2002374975

1907Coffee and BunsUral Championship 2012120975

1862Very Wealthy MoleUral FU Championship 2011154976

1451Beerhouse TaleTimus Top Coders: Second Challenge373979

1040Airline CompanyUSU Championship 20001139981

1418Military StoryUSU Championship 2005394983

1768Circular StringsUral Championship 2010207984

1569Networking the “Iset”USU Championship 2007306985

1965Pear TreesUral FU Personal Contest 201396985

1151RadiobeaconsUral Championship 2001. Round 2366992

1130Nikifor's WalkUSU Championship 2001364994

1591Abstract ThinkingNEERC 2007 Eastern Subregional300996

1985Prime SquareOpen Ural FU Championship 2013841000

1331VladislavaAutumn School Contest 20043841001

1435Financial ErrorUSU Personal Contest 20063711003

1339BabiesUSU Championship 20043841006

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3011006

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3481008

1722Observation DeckUral Regional School Programming Contest 20092191010

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2471013

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101821015

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1131025

1311Stable ConstructionUral Championship 2004. Round 13701029

2007Mutants versus MachinesUral Regional School Programming Contest 2013791035

1518Jedi Riddle 3Timus Top Coders: Third Challenge3231038

1570Eating HighUSU Championship 20072891041

1539Intelligence DataUSU Personal Contest 20073131042

1968Glass PyramidUral FU Personal Contest 2013901044

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest481045

1075Thread in a SpaceUSU Personal Contest 20019691047

1687Numismatics for FunUSU Personal Contest 20092331050

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1991059

1790Searching for the TruthUral Regional School Programming Contest 20101741059

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1391092

1317HailUral Championship 2004. Round 23431108

1511Fiscal OperationsTimus Top Coders: Third Challenge3001115

1173Lazy SnailRomanian Online Contest December 20013241117

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1551119

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1541126

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1851135

1444ElephpotamusUral Championship 20063231136

1341DeviceUSU Championship 20043381139

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2201142

1766Humpty DumptyUral Championship 20101761148

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3361154

1627JoinPetrozavodsk Winter 2008. ITMO Contest2291155

1544Classmates 3Ural Championship 20072751160

1447Portkey NetworkUral Championship 20063141168

1540Battle for the RingUSU Personal Contest 20072781168

1357Teakettle 1.0 for DummiesSpring School Contest 20053291171

1458War GamesTimus Top Coders: Second Challenge3101172

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup791179

1595Perfect Sequence1971185

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2041186

1408Polynomial MultiplicationAutumn School Contest 20053261188

1946Chinese Hockey 3Ural FU Personal Contest 2012901192

1453QueenTimus Top Coders: Second Challenge3041194

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871198

1807Cartridges for MaximNEERC 2010 Eastern Subregional1511202

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1241210

1947MeanderUral FU Personal Contest 2012881216

1307ArchiverUral Championship 2004. Round 13111218

1686Photovoltaic SpaceshipUSU Personal Contest 20091991221

1035Cross-stitchUral Championship 19999161226

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2401236

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2431237

1359ConstructionSpring School Contest 20053101240

1657Cube SnakeNEERC 2008 Eastern Subregional2061240

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771241

1736Chinese HockeyUSU Championship 20091751242

1310ACM DiagnosticsUral Championship 2004. Round 13041245

1487Chinese FootballUSU Championship 20062721256

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2761262

1669Universal WordPetrozavodsk Winter 2008. USU Contest1981263

1546Japanese SortingUral Championship 20072511267

1321Floor IndicatorUral Championship 2004. Round 22981270

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2561271

1538Towers of GuardUSU Personal Contest 20072521284

1533Fat HobbitsUSU Personal Contest 20072491299

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391299

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional871300

1050Preparing an ArticleUSU Local Contest. March 20008411309

1177Like ComparisonsUSU Personal Contest 20022761309

1328FireballAutumn School Contest 20042901315

1065FrontierNEERC 20007891320

1099Work Scheduling6441324

1097Square Country 2USU Local Contest. March 20017091330

2052Physical EducationUral Championship 2015251330

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971334

1360Philosophical DisputeUral Championship 2005. Round 22871338

1393Average Common Prefix2831344

1171Lost in SpaceRomanian Online Contest December 20012671347

1950Martian FarmlandsUral FU Personal Contest 2012781355

1281River BasinNEERC 2003 Central Subregional2761356

1240Heroes of Might and MagicNEERC 20022671375

1499KerchiefsAutumn School Contest 20062461380

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2331391

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest331409

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1471410

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2421412

1318LogarithmUral Championship 2004. Round 22651422

1419Maps of the Island WorldsUSU Championship 20052691424

1265MirrorUSU Championship 20032611430

1266Kirchhoff's LawUSU Championship 20032611430

1762Search for a Hiding-PlaceUSU Personal Contest 20101411433

1802Cube PuzzleNEERC 2010 Eastern Subregional1241444

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2241445

1299PsyloniansSpring School Contest 20042601446

1345HTMLUSU Championship 20042641447

1449Credit Operations 2Timus Top Coders: Second Challenge2491448

1770The Party of Ural ChampionsUral Championship 20101371452

1347BlogSpring School Contest 20052611465

1412Autumn TideUSU Championship 20052611466

1441From the History of Gringotts BankUral Championship 20062461478

1043Cover an ArcUSU Championship 20007491485

1170DesertRomanian Online Contest December 20012391498

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup601500

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup601500

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1131501

1908Brute-force SearchUral Championship 2012741509

1764TranssibUral Championship 20101311514

1251Cemetery ManagerUSU Local Contest. March 20032421520

1241Inlay CuttersNEERC 20022371544

1565The Duel for ThreeUSU Championship 20071911549

1886Trip 2NEERC 2011 Eastern Subregional921557

1894Non-Flying WeatherNEERC 2011 Eastern Subregional911572

1568Train Car SortingUSU Championship 20071871580

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2151581

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1541588

2022Riding a ToadNEERC 2014 Eastern Subregional301588

1337BureaucracyAutumn School Contest 20042361603

1782Jack's New WordUral SU Championship 20101111617

1485Football and LieUSU Championship 20062081624

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2351629

1831Tsyfirkin's LessonUral Championship 2011981630

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest891637

1670AsteriskPetrozavodsk Summer 2008. USU Contest1491638

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1251639

1488ACM PokerUSU Championship 20062051647

1583CheeseNEERC 2007 Eastern Subregional1771652

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2301663

1734Endgame DatabaseUSU Championship 20091281665

1062TriathlonNEERC 20006211670

1707Hypnotoad's SecretUral Championship 20091401677

1969Hong Kong TramUral FU Personal Contest 2013521683

1516NostalgiaTimus Top Coders: Third Challenge1951686

1841CablewaysPetrozavodsk Summer 2010. USU Contest851712

1610CactusesUral Championship 20081601715

1046Geometrical DreamsUSU Local Contest. March 20006371722

1702CrossroadUral Championship 20091361723

1420Integer-Valued Complex DivisionUSU Championship 20052201727

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921741

1257HyphenationAutumn School Contest 20032121745

1338AutomobilesUSU Championship 20042171747

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012011765

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1811770

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional611776

1615Tram SolitaireUral Championship 20081541777

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest811781

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1921787

1514National ParkTimus Top Coders: Third Challenge1811810

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest921810

1492Vasya's Dad 2Autumn School Contest 20061841821

1425Queen 2Timus Top Coders: First Challenge2001828

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791828

1977Energy WallUral Championship 2013451830

1417Space Poker 2USU Championship 20052071831

1304ParallelepipedUral Championship 19982031834

1378Artificial IntelligenceUral Championship 2005. Round 12071839

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1101844

1093DartsUSU Local Contest. March 20015071850

1839The MentaculusUral Championship 2011851853

1163ChapaevNEERC 2001 Northern Subregional1871893

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1551896

1781Clean CodeUral SU Championship 2010931899

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1271901

1503PolynomialNEERC 2006 Eastern Subregional1741911

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1251929

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1251929

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest851944

1216Two Pawns and One KingUSU Championship 20021851949

1455Freedom of SpeechTimus Top Coders: Second Challenge1821953

1945Many-armed BrothersUral FU Personal Contest 2012511954

1532Lost in TranslationUSU Personal Contest 20071621956

1703Robotic ArmUral Championship 20091181965

1634Spider MiteUSU Championship 20081271972

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231975

1187Statistical TroubleNEERC 20011791983

1396Maximum. Version 21762003

1757Gold BarsUSU Personal Contest 2010982004

1148Building TowersDSAP Vietnam Online Contest November 20011752013

1188LibraryNEERC 20011732049

1063Domino PuzzleNEERC 20005032054

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1752055

1267Yekaterinburg SubwayUSU Championship 20031782062

1833Hopes of RowingUral Championship 2011752071

1232Asteroid LandingNEERC 2002 Central Subregional1732077

1867NanotechnologiesUral FU Championship 2011672080

1288AstrolocationUSU Personal Contest 20041772086

1972Game TestingUral Championship 2013382097

1041NikiforUSU Championship 20005262103

1315MDPAR and MIIARUral Championship 2004. Round 11752114

1092TransversalUSU Local Contest. March 20014402125

1543Dance RevolutionUral Championship 20071452134

1549Another Japanese PuzzleUral Championship 20071452134

1074Very Short ProblemUSU Personal Contest 20014692141

1541ChaseUSU Personal Contest 20071472143

1397Points Game1562144

1504Good MannersNEERC 2006 Eastern Subregional1532157

1850Space TourismPetrozavodsk Summer 2010. USU Contest652169

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1112171

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21722184

1652Banking CrisisNEERC 2008 Eastern Subregional1122196

20503D-modelingUral Championship 2015112217

2053BiologyUral Championship 2015112217

1835Swamp DoctorUral Championship 2011692228

1978E-LiteUral Championship 2013352237

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest172244

1270UnicubeUSU Championship 20031622254

1256Cemetery GuardUSU Local Contest. March 20031592266

1655Somali PiratesNEERC 2008 Eastern Subregional1082270

1368Goat in the Garden 3Ural Championship 2005. Round 21642284

1481Winning ChancesUSU Championship 20061432315

1758Bald Spot Revisited 2USU Personal Contest 2010832327

1284Space PokerUSU Personal Contest 20041572336

1739FaryuksUSU Championship 2009882344

1882Old NokiaUral Regional School Programming Contest 2011582345

2006Kirill the GardenerUral Regional School Programming Contest 2013292363

1829Routing TablesUSU Personal Contest 2011652400

1895Steaks on BoardNEERC 2011 Eastern Subregional562407

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional412473

1717Eligibility RulesNEERC 2009 Eastern Subregional832494

1735Theft of the CenturyUSU Championship 2009822497

1865The Island of MärketUral FU Championship 2011542502

1275Knights of the Round TableNEERC 2003 Central Subregional1452503

1704DemodulationUral Championship 2009882567

2055Urban GeographyUral Championship 201582587

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest612601

1300TaxesUral Championship 19981402605

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional792607

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest522615

1308Dean's PyramidUral Championship 2004. Round 11392624

1609Tram TileUral Championship 20081012626

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1092629

1520Empire Strikes BackTimus Top Coders: Third Challenge1212639

1312TrayUral Championship 2004. Round 11382642

1975Model of the EarthUral Championship 2013282649

1454Rectangles 2Timus Top Coders: Second Challenge1312659

1239Ghost BustersNEERC 20021322683

2051PhysicsUral Championship 201572739

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest492757

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup282762

1566Triangular PostcardsUSU Championship 20071022779

1505Oil TransferNEERC 2006 Eastern Subregional1162790

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1172801

1858Magic CubePetrozavodsk Summer 2011. USU Contest472844

1694Killer WordsPetrozavodsk Winter 2009. USU Contest792851

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest782884

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812887

1856War and PeacePetrozavodsk Summer 2011. USU Contest462895

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup262916

1681Brother Bear's GardenUSU Personal Contest 2009772934

1637Triangle Game 2USU Championship 2008822937

1938Caribbean TriangleUral FU Championship 2012322958

1482Triangle GameUSU Championship 20061092976

141140 Islands KnightsUSU Championship 20051232987

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest642991

1464LightPetrozavodsk Winter 2006. USU Contest1103008

1442Floo PowderUral Championship 20061153027

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest103030

1597Chernobyl’ Eagle on a Roof. Version 2123085

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest723095

2049ChemistryUral Championship 201553104

1367Top SecretUral Championship 2005. Round 21173130

1395Pascal vs. C++. Version 21093144

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional303153

1622EndspielPetrozavodsk Winter 2008. ITMO Contest773174

1957MundialPetrozavodsk Winter 2013. Kontur Cup233181

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest483183

1058ChocolateNEERC 2000 Central Subregional3383188

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest93189

1834Tennis RacketUral Championship 2011453200

1438Time Limit ExceededUSU Personal Contest 20061083237

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest473239

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest753249

1909Space ReconUral Championship 2012283335

2016Magic and ScienceNEERC 2014 Eastern Subregional93343

1166Funny Card GameNEERC 2001 Northern Subregional1053369

1429BiscuitsTimus Top Coders: First Challenge1033396

1616Square Country 4Ural Championship 2008753429

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373461

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup203499

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1043502

1466Magic SquarePetrozavodsk Winter 2006. USU Contest933505

1999The secret moduleNEERC 2013 Eastern Subregional163591

1632LasersUSU Championship 2008653602

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763638

1733Forgotten TechnologyUSU Championship 2009533646

1765Error 404Ural Championship 2010483680

1199Mouse823736

1509Domino RecognitionNEERC 2006 Eastern Subregional843740

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333783

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest63786

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest63787

2054AstronomyUral Championship 201523877

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest913953

1973Location GeneratorUral Championship 2013154027

1778Chinese Hockey 2Ural SU Championship 2010384075

1661DodecahedronPetrozavodsk Winter 2008. USU Contest534169

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest694279

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest514306

1967Programmer CasinoUral FU Personal Contest 2013144348

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest714392

1271Sailing DirectionsUSU Championship 2003784405

1594Aztec Treasure444550

1344Gigantic TurnipUSU Championship 2004764611

1460WiresPetrozavodsk Winter 2006. USU Contest684628

1763Expert FleaUral Championship 2010364641

1771A Deputy's MorningUral Championship 2010364641

1340CucarachaUSU Championship 2004754665

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest664681

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest424880

1797Summit Online Judge. Version 2164941

1801The Revolution CupNEERC 2010 Eastern Subregional294963

1426RectanglesTimus Top Coders: First Challenge665050

1598DSA Attack35054

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest595156

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest665253

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415414

1365Testing CalculatorUral Championship 2005. Round 2635445

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest195589

1372Death StarUral Championship 2005. Round 1615621

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest615623

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest395635

1906The Lost CivilizationUral Championship 2012125761

1848Fly HuntPetrozavodsk Summer 2010. USU Contest185810

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest336109

1668Death Star 2Petrozavodsk Winter 2008. USU Contest326254

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest466352

1674Drunk KingPetrozavodsk Summer 2008. USU Contest316352

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest196367

1842Local RootsPetrozavodsk Summer 2010. USU Contest156507

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest326574

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional306698

1653Death ConveyorNEERC 2008 Eastern Subregional287050

1363HalftonesUral Championship 2005. Round 2467098

1548Sakura and StatisticsUral Championship 2007367190

1536Delights of Pipe-weedUSU Personal Contest 2007347648

1596Knight Mare97714

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest248121

1432Twofold LuckUSU Personal Contest 2006368304

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup28744

1376Dean's Pyramid 2Ural Championship 2005. Round 1349071

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest249202

1840Victim of AdvertisingUral Championship 201199264

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest189301

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1510417

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1410574

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2611089

1415Mobile LifeUSU Championship 20052511347

1374MisereUral Championship 2005. Round 12511403

1708Sum of Digits 2Ural Championship 20091111976

1399Economical Director1812273

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2112878

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1413036

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1513520

1369Cockroach RaceUral Championship 2005. Round 21515899

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218146

1589SokobanNEERC 2007 Eastern Subregional323759

1394Ships. Version 2330710