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Problem set


1000A+B Problem6239619

1001Reverse Root1715719

1785Lost in LocalizationUral Regional School Programming Contest 2010925120

1877Bicycle CodesUral Regional School Programming Contest 2011623923

1293EniyaSpring School Contest 20041611324

1409Two GangstersAutumn School Contest 20051545925

1820Ural SteaksUSU Personal Contest 2011594828

1787Turn for MEGAUral Regional School Programming Contest 2010589331

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011454932

1264WorkdaysAutumn School Contest 20031151233

1197Lonesome KnightSpring School Contest 20021079534

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional323335

2001Mathematicians and BerriesUral Regional School Programming Contest 2013225035

1639Chocolate 2Autumn School Contest 2008675238

1924Four ImpsUral Regional School Programming Contest 2012288439

1313Some Words about SportUral Championship 2004. Round 1869544

12091, 10, 100, 1000...Autumn School Contest 2002813545


1567SMS-spamUSU Championship 2007649746

1319HotelUral Championship 2004. Round 2812647

1581TeamworkAutumn School Contest 2007630148

1225FlagsNEERC 2002 Central Subregional723551

1263ElectionsAutumn School Contest 2003735851

1585PenguinsNEERC 2007 Eastern Subregional575252

1881Long problem statementUral Regional School Programming Contest 2011280652

1876Centipede's MorningUral Regional School Programming Contest 2011276753

2012About Grisha N.NEERC 2014 Eastern Subregional91953

1100Final StandingsTetrahedron Team Online Contest May 2001657454

1893A380NEERC 2011 Eastern Subregional263855

1991The battle near the swampNEERC 2013 Eastern Subregional142455

1327FusesAutumn School Contest 2004685056

1110PowerBulgarian Online Contest September 2001619058

1243Divorce of the Seven DwarfsUSU Personal Contest 2003634359

1493One Step from HappinessAutumn School Contest 2006579559

1349FarmSpring School Contest 2005643960

1925British Scientists Save the WorldUral Regional School Programming Contest 2012182061

1607TaxiUSU Personal Contest 2008456962

1545HieroglyphsUral Championship 2007511563

1496SpammerAutumn School Contest 2006538164

1636Penalty TimeUSU Championship 2008402964

1196History ExamSpring School Contest 2002541967

1837Isenbaev's NumberUral Championship 2011242567

1149Sinus Dances536668

2005Taxi for ProgrammersUral Regional School Programming Contest 2013113468

1617Flat SpotsUral Championship 2008407369

1723Sandro's BookUral Regional School Programming Contest 2009316469

1654Cipher MessageNEERC 2008 Eastern Subregional364070

1563BayanUSU Championship 2007422171

1131CopyingUSU Championship 2001503672

1025Democracy in DangerAutumn School Contest 20001521573

1457Heating MainTimus Top Coders: Second Challenge502373

1792Hamming CodeUral Regional School Programming Contest 2010250573

2002Test TaskUral Regional School Programming Contest 2013106873

1224SpiralNEERC 2002 Central Subregional499174

1935Tears of DrownedUral FU Championship 2012149674

2011Long StatementUral Regional School Programming Contest 2013104574

2023Donald is a postmanNEERC 2014 Eastern Subregional64775

1712Cipher GrilleNEERC 2009 Eastern Subregional288876

1290SabotageSpring School Contest 2004496277

1083Factorials!!!Spring School Contest 20011248578

1502Domino DotsNEERC 2006 Eastern Subregional413482

1194HandshakesSpring School Contest 2002437783

1902Neo-VeniceUral Championship 2012136283

1139City BlocksNEERC 2001 Central Subregional425485

1638BookwormUSU Championship 2008304185

1120Sum of Sequential NumbersAutumn School Contest 2001417586

1106Two TeamsTetrahedron Team Online Contest May 2001412487

1404Easy to Hack!Autumn School Contest 2005447287

1180Stone GameUSU Personal Contest 2002401991

1796Amusement ParkUral Regional School Programming Contest 2010200191

1786Sandro's BiographyUral Regional School Programming Contest 2010196792

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201382993

1161StripiesNEERC 2001 Northern Subregional385494

1601AntiCAPSUSU Personal Contest 2008301594

16421D MazeAutumn School Contest 2008272394

1510OrderNEERC 2006 Eastern Subregional357095

2035Another Dress RehearsalUral Regional School Programming Contest 201449595

1731DillUral Regional School Programming Contest 2009227296

1005Stone PileUSU Championship 19971144097

1644A Whole Lot of WalnutsAutumn School Contest 2008264597

1009K-based NumbersUSU Championship 19971132898

1119MetroAutumn School Contest 2001369198

1297PalindromeSpring School Contest 2004382899

1446Sorting HatUral Championship 20063680100

1873GOV ChroniclesUral Regional School Programming Contest 20111457100

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013519102

1777AnindilyakwaUral SU Championship 20101795102

1214Strange ProcedureAutumn School Contest 20023599103

1370MagicianUral Championship 2005. Round 23777103

1146Maximum SumDSAP Vietnam Online Contest November 20013466104

1228ArrayNEERC 2002 Central Subregional3567104

1020RopeAutumn School Contest 200010225108

1136ParliamentNEERC 2001 Central Subregional3327109

1118Nontrivial NumbersAutumn School Contest 20013286110

1573AlchemyAutumn School Contest 20072716110

1014Product of DigitsUSU Local Contest. 199910027111

1082Gaby IvanushkaSpring School Contest 20018754112

1330IntervalsAutumn School Contest 20043437112

2000Grand Theft Array VUral Regional School Programming Contest 2013680113

2031Overturned NumbersUral Regional School Programming Contest 2014416113

1203Scientific ConferenceUSU Local Contest. March 20023197114

1296HyperjumpSpring School Contest 20043322114

1582BookmakersNEERC 2007 Eastern Subregional2576115

1044Lucky Tickets. Easy!USU Championship 20009444116

1079MaximumWinter Mathematical Festival Varna 20018510116

1192Ball in a DreamSpring School Contest 20023143116

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional412117

1226esreveR redrONEERC 2002 Central Subregional3131118

1711Code NamesNEERC 2009 Eastern Subregional1863118

1868Prediction ContestUral FU Championship 20111236118

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023024120

2033DevicesUral Regional School Programming Contest 2014389120

1219Symbolic SequenceUSU Championship 20023030122

1126Magnetic StormsUSU Championship 20012929123

1931Excellent TeamUral FU Championship 2012881124

1683FridgeUSU Personal Contest 20091937125

1984Dummy GuyOpen Ural FU Championship 2013630125

1123SalaryAutumn School Contest 20012867126

2025Line FightingUral Regional School Programming Contest 2014370126

1086CryptographySpring School Contest 20017720127

1688Team.GOV!USU Personal Contest 20091905127

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional606129

1353Milliard Vasya's FunctionSpring School Contest 20052961130

1964Chinese DialectsUral FU Personal Contest 2013686130

1336Problem of Ben BetsalelAutumn School Contest 20042938131

1725Sold Out!Ural Regional School Programming Contest 20091662131

1283DwarfUSU Personal Contest 20042871132

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101378132

1022Genealogical TreeAutumn School Contest 20008203135

1260Nudnik PhotographerAutumn School Contest 20032765136

1021Sacrament of the SumAutumn School Contest 20008069137

1740Deer is Better!USU Championship 20091581137

1352Mersenne PrimesSpring School Contest 20052802138

1864Get-Together at Den'sUral FU Championship 20111056138

1821BiathlonUSU Personal Contest 20111189140

1222Chernobyl’ EaglesUSU Championship 20022622141

1612Tram ForumUral Championship 20081978141

1026Questions and AnswersAutumn School Contest 20007816142

1142RelationsDSAP Vietnam Online Contest November 20012548142

1402CocktailsAutumn School Contest 20052715143

1576Telephone TariffsAutumn School Contest 20072061145

1878Rubinchik's CubeUral Regional School Programming Contest 2011993146

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional760146

1982Electrification PlanOpen Ural FU Championship 2013529149

1084Goat in the GardenSpring School Contest 20016532150

1756One and a Half DiggersUSU Personal Contest 20101334152

1178Akbardin’s RoadsUSU Personal Contest 20022378153

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional708157

1572Yekaterinozavodsk Great WellAutumn School Contest 20071891158

1306Sequence MedianUral Championship 19982363161

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101120162

1874Football GoalUral Regional School Programming Contest 2011896162

1944Record of the Attack at the OrbitUral FU Personal Contest 2012643162

1210Kind SpiritsAutumn School Contest 20022258163

1135RecruitsNEERC 2001 Central Subregional2200164

1157Young TilerUral Championship 2001. Round 22200164

1769Old Ural LegendUral Championship 20101218164

1869New Year CruiseUral FU Championship 2011889164

1073Square CountryUSU Personal Contest 20016054165

1295Crazy NotionsSpring School Contest 20042300165

1800Murphy's LawNEERC 2010 Eastern Subregional1086165

1017StaircasesUSU Local Contest. 19996648167

1709Penguin-AviaUral Championship 20091425167

1167Bicolored HorsesRomanian Online Contest December 20012158168

1506Columns of NumbersNEERC 2006 Eastern Subregional2024168

1213Cockroaches!Autumn School Contest 20022176169

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091280170

1012K-based Numbers. Version 26490171

1789Searching for the DodecahedronUral Regional School Programming Contest 20101058171

1640Circle of WinterAutumn School Contest 20081473174

1685OrthographyUSU Personal Contest 20091395174

1280Topological SortingNEERC 2003 Central Subregional2153175

1413Mars JumperUSU Championship 20052180177

1048Superlong SumsUSU Local Contest. March 20006013180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1415180

1335White ThesisAutumn School Contest 20042115181

1354Palindrome. Again PalindromeSpring School Contest 20052137181

1930Ivan's CarUral Regional School Programming Contest 2012609181

1193Queue at the ExamSpring School Contest 20022000182

1134CardsNEERC 2001 Central Subregional1969183

2018The Debut AlbumNEERC 2014 Eastern Subregional259183

1164FillwordNEERC 2001 Northern Subregional1945186

1613For Fans of StatisticsUral Championship 20081497186

1645Ski RaceAutumn School Contest 20081373186

1102Strange DialogTetrahedron Team Online Contest May 20011908187

1272Non-Yekaterinburg SubwayUSU Championship 20032018187

1885Passenger ComfortNEERC 2011 Eastern Subregional767188

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional251188

1586Threeprime NumbersNEERC 2007 Eastern Subregional1566189

1114BoxesBulgarian Online Contest September 20011870192

1208Legendary Teams ContestUSU Local Contest. March 20021885193

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1278193

1846GCD 2010Petrozavodsk Summer 2010. USU Contest761194

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional243194

1138Integer PercentageNEERC 2001 Central Subregional1837196

1207Median on the PlaneUSU Local Contest. March 20021848197

1680The First NonqualifyingUSU Personal Contest 20091230197

1023ButtonsAutumn School Contest 20005604198

1133Fibonacci SequenceNEERC 2001 Central Subregional1820198

1112CoverBulgarian Online Contest September 20011797200

1998The old PadawanNEERC 2013 Eastern Subregional382203

1423String TaleTimus Top Coders: First Challenge1808206

1922Superhero TeamUral Regional School Programming Contest 2012529208

1249Ancient NecropolisUSU Local Contest. March 20031776209

1002Phone NumbersCentral European Olympiad in Informatics 19995292210

1737Mnemonics and Palindromes 3USU Championship 20091026210

1200Horns and HoofsUSU Local Contest. March 20021706213

1348Goat in the Garden 2Spring School Contest 20051802214

1889Airport AnnouncementsNEERC 2011 Eastern Subregional670215

1152False MirrorsUral Championship 2001. Round 21673216

1515CashmasterTimus Top Coders: Third Challenge1538217

1981Parallel and PerpendicularOpen Ural FU Championship 2013357218

2003Simple MagicUral Regional School Programming Contest 2013349218

1011ConductorsUSU Championship 19975076219

1052Rabbit HuntUSU Local Contest. March 20004935219

1125HopscotchUSU Championship 20011606224

1491Unreal StoryAutumn School Contest 20061520224

1490Fire CircleAutumn School Contest 20061508226

1033LabyrinthUral Championship 19994868227

1024PermutationsAutumn School Contest 20004827229

1795Husband in a ShopUral Regional School Programming Contest 2010788229

1987Nested SegmentsOpen Ural FU Championship 2013339230

1826MinefieldUSU Personal Contest 2011708233

1049Brave BalloonistsUSU Local Contest. March 20004631234

1333Genie Bomber 2Autumn School Contest 20041632235

2024Adventure TimeUral Regional School Programming Contest 2014193236

1183Brackets SequenceNEERC 20011531237

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012462237

1150Page NumbersUral Championship 2001. Round 21512239

1191Catch the thief!Spring School Contest 20021518239

1122GameAutumn School Contest 20011499240

1635Mnemonics and PalindromesUSU Championship 20081063241

1779The Great TeamUral SU Championship 2010745243

1933Guns for Battle!Ural FU Championship 2012446243

1108HeritageBulgarian Online Contest September 20011463245

1247Check a SequenceUSU Personal Contest 20031511245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1583245

1718RejudgeNEERC 2009 Eastern Subregional885246

1603EruditeUSU Personal Contest 20081138247

1113JeepBulgarian Online Contest September 20011448248

1204IdempotentsUSU Local Contest. March 20021461248

1355Bald Spot RevisitedSpring School Contest 20051554248

1205By the Underground or by Foot?USU Local Contest. March 20021458249

1242WerewolfUSU Personal Contest 20031483250

1010Discrete FunctionUSTU PhysTech Cup 20004436251

1433DiamondsUSU Personal Contest 20061460253

1823Ideal GasUSU Personal Contest 2011649254

2021Scarily interesting!NEERC 2014 Eastern Subregional183255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013856256

1298KnightSpring School Contest 20041480256

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1272256

1494MonobilliardsAutumn School Contest 20061316259

1726VisitsUral Regional School Programming Contest 2009834260

1195Ouths and CrossesSpring School Contest 20021383262

1087The Time to Take StonesSpring School Contest 20013674266

1989SubpalindromesOpen Ural FU Championship 2013291266

1080Map ColoringWinter Mathematical Festival Varna 20013696267

1047Simple CalculationsUSU Local Contest. March 20004039268

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031386268

1303Minimal CoverageUral Championship 19981415268

1028StarsUral Championship 19994096270

1109ConferenceBulgarian Online Contest September 20011330270

1904The Lessons of the PastUral Championship 2012408271

1179Numbers in TextUSU Personal Contest 20021326273

1220StacksUSU Championship 20021345273

1117HierarchyAutumn School Contest 20011291278

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional638280

1537EntsUSU Personal Contest 20071152281

1201Which Day Is It?USU Local Contest. March 20021288282

1658Sum of DigitsNEERC 2008 Eastern Subregional900282

1053PinocchioNEERC 2000 Central Subregional3806284

1941Scary Martian WordUral FU Personal Contest 2012362284

1032Find a MultipleUral Championship 19993374286

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional268286

1684Jack's Last WordUSU Personal Contest 2009839287

1741Communication FiendUSU Championship 2009749287

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest718288

1244GentlemenUSU Personal Contest 20031281289

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1187289

1497Cutting a SquareAutumn School Contest 20061178289

1211Collective GuaranteeAutumn School Contest 20021266290

1590Bacon’s CipherNEERC 2007 Eastern Subregional1015291

1018Binary Apple TreeUSU Local Contest. 19993781293

1184Cable MasterNEERC 20011235293

1551Sumo TournamentUral Championship 20071083293

1995Illegal spicesNEERC 2013 Eastern Subregional260294

1753BookshelfUSU Personal Contest 2010684295

1377Lara CroftUral Championship 2005. Round 11297298

1501Sense of BeautyNEERC 2006 Eastern Subregional1133299

1793Tray 2Ural Regional School Programming Contest 2010600299

1215Exactness of Projectile HitAutumn School Contest 20021197307

1116Piecewise Constant FunctionAutumn School Contest 20011166308

1127Colored BricksUSU Championship 20011161309

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest668309

1901Space ElevatorsUral Championship 2012357309

1934Black SpotUral FU Championship 2012347310

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest766312

1036Lucky Tickets3525313

1121BranchesAutumn School Contest 20011141314

1190Bar of ChocolateSpring School Contest 20021145316

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1085316

1008Image EncodingUSTU PhysTech Cup 20003499318

1153SupercomputerUral Championship 2001. Round 21122321

1294Mars SatellitesSpring School Contest 20041177321

1302Delta-waveUral Championship 19981167324

1648YachtsAutumn School Contest 2008784324

1588JamaicaNEERC 2007 Eastern Subregional908325

1923Scary PoliticsUral Regional School Programming Contest 2012334326

1963KiteUral FU Personal Contest 2013268326

1124MosaicUSU Championship 20011095328

1029MinistryUral Championship 19992933329

1060Flip GameNEERC 20003104330

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014134333

1604Country of FoolsUSU Personal Contest 2008840334

1137Bus RoutesNEERC 2001 Central Subregional1069336

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest433337

1227Rally ChampionshipNEERC 2002 Central Subregional1086338

1828Approximation by a ProgressionUSU Personal Contest 2011486338

1185WallNEERC 20011060341

1031Railway TicketsUral Championship 19993222342

1406Next NumberAutumn School Contest 20051129342

1320Graph DecompositionUral Championship 2004. Round 21097345

2026Dean and ScheduleUral Regional School Programming Contest 2014129345

1223Chernobyl’ Eagle on a RoofUSU Championship 20021056348

1759Long-LiversUSU Personal Contest 2010576349

1783Nuclear Arms RaceUral SU Championship 2010513350

1140Swamp IncidentNEERC 2001 Central Subregional1024351

1483Table FootballUSU Championship 2006971351

1090In the Army NowUSU Local Contest. March 20012630353

1262Pseudo-Roman NumberAutumn School Contest 20031062353

1007Code WordsUSU Championship 19973127355

1992CVSNEERC 2013 Eastern Subregional214355

1218Episode N-th: The Jedi TournamentUSU Championship 20021024358

1282Game TreeNEERC 2003 Central Subregional1041360

1055CombinationsNEERC 2000 Central Subregional2989361

1292Mars Space StationsSpring School Contest 20041047361

1631Drunk King 2USU Championship 2008707361

1160NetworkNEERC 2001 Northern Subregional1015362

1261TipsAutumn School Contest 20031028364

1156Two RoundsUral Championship 2001. Round 2986365

1450Russian PipelinesTimus Top Coders: Second Challenge992365

1942Attack at the OrbitUral FU Personal Contest 2012280365

1574Mathematicians and bracketsAutumn School Contest 2007810366

1860FiborialPetrozavodsk Summer 2011. USU Contest398366

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional389366

1431DiplomasUSU Personal Contest 20061004367

1517Freedom of ChoiceTimus Top Coders: Third Challenge899369

1521War Games 2Timus Top Coders: Third Challenge900369

1246Tethered DogUSU Personal Contest 2003999370

1403CourierAutumn School Contest 20051045370

1651Shortest SubchainNEERC 2008 Eastern Subregional676374

1229Strong BrickworkNEERC 2002 Central Subregional975376

1774Barber of the Army of MagesUral SU Championship 2010478376

1078SegmentsWinter Mathematical Festival Varna 20012608377

1346Intervals of MonotonicityUSU Championship 20041017377

1562GM-pineappleUSU Championship 2007783379

1039Anniversary PartyUSU Championship 20002876380

1971Graphics SettingsUral Championship 2013219380

1259How to Become Star?Autumn School Contest 2003983381

1015Test the Difference!USU Local Contest. 19992883384

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional283385

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional117387

1115ShipsBulgarian Online Contest September 2001921388

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest638388

1003ParityCentral European Olympiad in Informatics 19992862389

1176HyperchannelsUSU Personal Contest 2002929389

1489Points on a ParallelepipedAutumn School Contest 2006871390

1279WarehouseNEERC 2003 Central Subregional957391

1094E-screenUSU Local Contest. March 20012364392

1217Unlucky TicketsUSU Championship 2002926396

1407One-two, One-twoAutumn School Contest 2005974396

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014111397

2034CaravansUral Regional School Programming Contest 2014111397

1289One Way TicketUSU Personal Contest 2004945399

1427SMSTimus Top Coders: First Challenge925400

1111SquaresBulgarian Online Contest September 2001891401

1732Ministry of TruthUSU Championship 2009534401

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest804403

1571InterpretersUSU Championship 2007736403

1356Something EasierSpring School Contest 2005949404

1038Spell CheckerUSU Championship 20002697405

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest507405

1107Warehouse ProblemTetrahedron Team Online Contest May 2001871407

1141RSA Attack882407

1480CouponsUSU Championship 2006835407

1287Mars CanalsUSU Personal Contest 2004922409

1602ElevatorUSU Personal Contest 2008685409

1350CanteenSpring School Contest 2005930412

1495One-two, One-two 2Autumn School Contest 2006821413

1700AwakeningUral Championship 2009571413

1089Verification with a VocabularySpring School Contest 20012349415

1776Anniversary FireworkUral SU Championship 2010429418

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional422419

1202Rectangles TravelUSU Local Contest. March 2002860420

1128Partition into GroupsUSU Championship 2001848422

1181Cutting a Painted PolygonUSU Personal Contest 2002854422

1513Lemon TaleTimus Top Coders: Third Challenge782424

1077Travelling Tours842425

1507Difficult DecisionNEERC 2006 Eastern Subregional792426

2009Canteen LineUral Regional School Programming Contest 2013173428

1291Gear-wheelsSpring School Contest 2004879429

1019Line PaintingUSU Local Contest. 19992577430

1252Sorting the TombstonesUSU Local Contest. March 2003854432

1641DutiesAutumn School Contest 2008586432

1890Money out of Thin AirNEERC 2011 Eastern Subregional328432

1980Road to InvestorUral Championship 2013191432

1221Malevich Strikes Back!USU Championship 2002835438

1728Curse on Team.GOVUral Regional School Programming Contest 2009488441

1051Simple Game on a GridUSU Local Contest. March 20002445442

2004Scientists from SpilkovoUral Regional School Programming Contest 2013166445

1129Door PaintingUSU Championship 2001799448

1643Attack of the Dark FortressAutumn School Contest 2008565448

1416ConfidentialUSU Championship 2005850451

1258PoolAutumn School Contest 2003826452

1900Brainwashing DeviceUral Championship 2012241452

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001791453

1519Formula 1Timus Top Coders: Third Challenge731453

1871Seismic WavesUral FU Championship 2011315453

1072RoutingUSU Personal Contest 20012173457

1189Pairs of IntegersNEERC 2001789457

1990PodracingNEERC 2013 Eastern Subregional164457

1410CrackUSU Championship 2005837458

1535The Hobbit or There and Back AgainUSU Personal Contest 2007696462

1884Way to the UniversityUral Regional School Programming Contest 2011307462

1891Language OceanNEERC 2011 Eastern Subregional303466

1162Currency ExchangeNEERC 2001 Northern Subregional767468

1870Zinium 2Ural FU Championship 2011304469

1928Another Ecology ProblemUral Regional School Programming Contest 2012229469

1428Jedi RiddleTimus Top Coders: First Challenge786470

1091Tmutarakan ExamsUSU Local Contest. March 20011960473

1729Dead Man's ChestUral Regional School Programming Contest 2009454473

1525PathPetrozavodsk Winter 2007. D.Gozman Contest681475

1236Decoding TaskNEERC 2002771476

1628White StreaksUSU Championship 2008533477

1754Explosion in a PyramidUSU Personal Contest 2010418478


1095Nikifor 3USU Local Contest. March 20011920483

1343Fairy TaleUSU Championship 2004790484

1962In Chinese RestaurantUral FU Personal Contest 2013177485

1838Samurai's StrokeUral Championship 2011326486

1155TroubleduonsUral Championship 2001. Round 2734488

1066GarlandNEERC 20002086489

1212BattleshipAutumn School Contest 2002746490

1273TieUSU Championship 2003761491

1579Coat TransportationAutumn School Contest 2007601491

1401GamersAutumn School Contest 2005782492

2030Awesome Backup SystemUral Regional School Programming Contest 201487495

1939First SealUral FU Championship 2012213497

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional432498

1103Pencils and CirclesTetrahedron Team Online Contest May 2001708500

1329Galactic HistoryAutumn School Contest 2004760500

1056Computer NetNEERC 2000 Central Subregional2139504

1182Team Them Up!NEERC 2001715504

1966Cycling RoadsUral FU Personal Contest 2013170504

1326Bottle TapsUral Championship 2004. Round 2744506

1803The Czechs' RiflesNEERC 2010 Eastern Subregional347508

1430Crime and PunishmentTimus Top Coders: First Challenge721512

1322SpyUral Championship 2004. Round 2734513

1158Censored!NEERC 2001 Northern Subregional697514

1316Electronic AuctionUral Championship 2004. Round 1731515

1238FoldingNEERC 2002711516

1334CheckersAutumn School Contest 2004732519

1994The Emperor's planNEERC 2013 Eastern Subregional143520

1366PresentsUral Championship 2005. Round 2735521

1069Prufer CodeUSU Personal Contest 20011896524

1143Electric PathDSAP Vietnam Online Contest November 2001682524

1577E-mailAutumn School Contest 2007559527

1806Mobile TelegraphsNEERC 2010 Eastern Subregional334527

1866Poetic FootUral FU Championship 2011269528

1903Unidentified ShipsUral Championship 2012204530

1892Morning in KoltsovoNEERC 2011 Eastern Subregional265531

1045Funny GameUSU Local Contest. March 20002031532

1600AirportUSU Personal Contest 2008522534

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional200537

1439Battle with You-Know-WhoUral Championship 2006673540

1027D++ AgainAutumn School Contest 20002038542

1101Robot in the FieldTetrahedron Team Online Contest May 2001652542

1710Boris, You Are Wrong!Ural Championship 2009433542

1767The House of Doctor DeeUral Championship 2010362542

1400Cellular CharactersAutumn School Contest 2005708543

1314Chase in SubwayUral Championship 2004. Round 1691544

1064Binary SearchNEERC 20001869546

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional80546

1605Devil's SequenceUSU Personal Contest 2008509547

2008SwiftyUral Regional School Programming Contest 2013132551

1414Astronomical DatabaseUSU Championship 2005693552

1550Dean's Pyramid 3Ural Championship 2007568554

1061Buffer ManagerNEERC 20001841555

1822Hugo II's WarUSU Personal Contest 2011291556

1932The Secret of IdentifierUral FU Championship 2012189557

1085MeetingSpring School Contest 20011744558

1071Nikifor 2USU Personal Contest 20011776559

1713Key SubstringsNEERC 2009 Eastern Subregional384559

1701Ostap and PartnersUral Championship 2009419560

1004Sightseeing TripCentral European Olympiad in Informatics 19991980561

1059ExpressionNEERC 2000 Central Subregional1917562

1940Not So Simple YearsUral FU Championship 2012187563

1698Square Country 5Petrozavodsk Winter 2009. USU Contest420564

1650BillionairesNEERC 2008 Eastern Subregional444565

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005674567


1760Infernal WorkUSU Personal Contest 2010348571

1437Gasoline StationUSU Personal Contest 2006640573

1445Christmas giftsUral Championship 2006631575

1534Football in GondorUSU Personal Contest 2007558575

1070Local TimeUSU Personal Contest 20011717578

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest70578

1448Lighting in HogwartsUral Championship 2006627579

1592Chinese WatchesNEERC 2007 Eastern Subregional505579

1690Army of MagesPetrozavodsk Winter 2009. USU Contest408580

1362Classmates 2Ural Championship 2005. Round 2657582

1659Regular TrianglesNEERC 2008 Eastern Subregional431582

1172Ship RoutesRomanian Online Contest December 2001613583

1682Crazy ProfessorUSU Personal Contest 2009408583

1421Credit OperationsTimus Top Coders: First Challenge631584

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest443585

2028URCAPL, Episode 2Ural Regional School Programming Contest 201472585

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 201472585

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012181587

1974Similar TunesUral Championship 2013138587

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest243590

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest502591

1375Bill CleversUral Championship 2005. Round 1648593

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup144593

1054Hanoi TowerNEERC 2000 Central Subregional1806596

1706Cipher Message 2Ural Championship 2009392597

1943Space RummyUral FU Personal Contest 2012167597

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest491604

1961Cantonese DialectUral FU Personal Contest 2013139608

1067Disk TreeNEERC 20001675609

1986Paul’s SaladsOpen Ural FU Championship 2013121611

1358CablesSpring School Contest 2005623612

1832Arirang ShowUral Championship 2011256614

1872Spacious OfficeUral FU Championship 2011229616

1309DisputeUral Championship 2004. Round 1606620

1325DirtUral Championship 2004. Round 2605621

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional171623

1755CakeUSU Personal Contest 2010317625

1988Planet Ocean LandingOpen Ural FU Championship 2013118626

1096Get the Right Route Plate!USU Local Contest. March 20011467631


1174Weird PermutationsRomanian Online Contest December 2001562635

1234BricksNEERC 2002575635

1465Pawn GamePetrozavodsk Winter 2006. USU Contest543635

1773Metro to Every HomeUral Championship 2010307635

1606SlalomUSU Personal Contest 2008434639

1088Ilya MurometzSpring School Contest 20011518641

1830Help in the RNOSUral Championship 2011245641

1254Die HardUSU Local Contest. March 2003572642

1253NecrologuesUSU Local Contest. March 2003568646

1248Sequence SumUSU Personal Contest 2003565649

1443RailsUral Championship 2006558649

1186Chemical ReactionsNEERC 2001552650

1542AutocompletionUral Championship 2007480654

1633HippogriffsUSU Championship 2008383659

1564Counting OnesUSU Championship 2007446660

1875Angry BirdsUral Regional School Programming Contest 2011212660

1452Pascal vs. C++Timus Top Coders: Second Challenge541663

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009319667

1996Cipher Message 3NEERC 2013 Eastern Subregional109668

1332Genie BomberAutumn School Contest 2004565670

1013K-based Numbers. Version 368673

1500Pass LicensesNEERC 2006 Eastern Subregional497674

1629TripUSU Championship 2008373676

1772Ski-Trails for RobotsUral Championship 2010288676

1440Training ScheduleUral Championship 2006532680

1775Space BowlingUral SU Championship 2010258684

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest493688

1780Gray CodeUral SU Championship 2010255692

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional252692

1301Cube in LabyrinthUral Championship 1998536698

1486Equal SquaresUSU Championship 2006483698

1034Queens in Peaceful PositionsUral Championship 19991574699

1371Cargo AgencyUral Championship 2005. Round 1546701

1274Fractional ArithmeticNEERC 2003 Central Subregional525708

1230Introspective ProgramNEERC 2002 Central Subregional513709

1286Starship TravelUSU Personal Contest 2004526710

1611DecimationUral Championship 2008383714

1037Memory ManagementUSU Championship 20001524715

1168Radio StationsRomanian Online Contest December 2001498715

1646Godzilla Strikes Back!Autumn School Contest 2008347721

1927Herbs and MagicUral Regional School Programming Contest 2012145723

2017Best of a bad lotNEERC 2014 Eastern Subregional58723

1235Cricket FieldNEERC 2002503724

1738Computer SecurityUSU Championship 2009291724

1057Amount of DegreesNEERC 2000 Central Subregional1483725

1159FenceNEERC 2001 Northern Subregional491725

1305Convex HullUral Championship 1998516725

1016Cube on the WalkUSU Local Contest. 19991518727

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest406727

1614National Project “Trams”Ural Championship 2008376727

1905Travel in TimeUral Championship 2012145731

1405Goat in the Garden 5Autumn School Contest 2005522733

1936RoshamboUral FU Championship 2012141734

1250Sea BurialUSU Local Contest. March 2003497737

1587Flying PigNEERC 2007 Eastern Subregional394738

1825Ifrit Bomber 2USU Personal Contest 2011217738

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest458739

1132Square Root476746

1716Alternative SolutionNEERC 2009 Eastern Subregional282754

1512ZiniumTimus Top Coders: Third Challenge434756

1424MinibusTimus Top Coders: First Challenge482761

1169PairsRomanian Online Contest December 2001467762

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest451762

1484Film RatingUSU Championship 2006442762

1689Fisherman and BarbellUSU Personal Contest 2009310762

1948The Robot on the LineUral FU Personal Contest 2012128766

1921Chaos and OrderUral Regional School Programming Contest 2012136768

1042Central HeatingUSU Championship 20001405775

1705Gangster HaresUral Championship 2009300775

1720Summit Online JudgeNEERC 2009 Eastern Subregional274775

1392Dreaming of Stars491778

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest211779

1434Buses in VasyukiUSU Personal Contest 2006463788

1976Game OptimizationUral Championship 2013100790

1547Password SearchUral Championship 2007395791

1647Divide an Island!Autumn School Contest 2008314795

1165SubnumberNEERC 2001 Northern Subregional446797

1824Ifrit BomberUSU Personal Contest 2011200797

1979Resources DistributionUral Championship 201399797

1715Another Ball KillerNEERC 2009 Eastern Subregional266798

1030TitanicUral Championship 19991376799

1983Nectar GatheringOpen Ural FU Championship 201390801

1593Square Country. Version 2296805

1456Jedi Riddle 2Timus Top Coders: Second Challenge442808

1970皇后像廣場Ural FU Personal Contest 2013102809

1949The Best Picture in the GalaxyUral FU Personal Contest 2012120813

1630TalismanUSU Championship 2008308814

1883Ent's BirthdayUral Regional School Programming Contest 2011170814

1268Little ChuUSU Championship 2003452819

1608Lucky Tickets 2008Ural Championship 2008332821

1269Obscene Words FilterUSU Championship 2003449824

1105Observers ColoringTetrahedron Team Online Contest May 2001425825

1761Binary PalindromeUSU Personal Contest 2010235834

1836Babel FishUral Championship 2011186834

1154Mages ContestUral Championship 2001. Round 2422841

1937Davy Jones’s OrganUral FU Championship 2012121846

1147Shaping RegionsDSAP Vietnam Online Contest November 2001418848

1379Cups TransportationUral Championship 2005. Round 1448851

1863Peaceful AtomUral FU Championship 2011162856

1323ClassmatesUral Championship 2004. Round 2435858

1498Stroke at Full SpeedAutumn School Contest 2006390858

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest444859

1006Square FramesUSU Championship 19971286860

1233Amusing NumbersNEERC 2002422860

1436BillboardUSU Personal Contest 2006423860

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest371861

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest233862

1276TrainNEERC 2003 Central Subregional427866

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest162868

1324Extra SpacesUral Championship 2004. Round 2429870

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest294872

1578Mammoth HuntAutumn School Contest 2007331880

1373Pictura ex MachinaUral Championship 2005. Round 1430886

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest386887

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest226887

1342EnterpriseUSU Championship 2004426888

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest262891

1245PicturesUSU Personal Contest 2003408893

1879GOV-internship 2Ural Regional School Programming Contest 2011154894

1887Frequent Flyer CardNEERC 2011 Eastern Subregional153895

1907Coffee and BunsUral Championship 2012115907

1580Dean's DebtsAutumn School Contest 2007320909

1364LaraKillerUral Championship 2005. Round 2416911

1277Cops and ThievesNEERC 2003 Central Subregional405912

1862Very Wealthy MoleUral FU Championship 2011151915

1965Pear TreesUral FU Personal Contest 201389916

1827Indigenous WarsUSU Personal Contest 2011172920

1278“… Connecting People”NEERC 2003 Central Subregional400923

1237Evacuation PlanNEERC 2002392926

1575Yekaterinburg Subway 2Autumn School Contest 2007314926

1730ManBearPigUral Regional School Programming Contest 2009227926

1285Thread in a HyperspaceUSU Personal Contest 2004401927

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional111932

1784RoundersUral SU Championship 2010186935

1768Circular StringsUral Championship 2010204941

1422FirefliesTimus Top Coders: First Challenge387943

1968Glass PyramidUral FU Personal Contest 201386944

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup86951

1175Strange SequenceUSU Personal Contest 2002373953

1985Prime SquareOpen Ural FU Championship 201374954

1569Networking the “Iset”USU Championship 2007304958

1151RadiobeaconsUral Championship 2001. Round 2366966

1398Bishop and Pawn335968

1040Airline CompanyUSU Championship 20001117973

1591Abstract ThinkingNEERC 2007 Eastern Subregional296975

1722Observation DeckUral Regional School Programming Contest 2009215976

1130Nikifor's WalkUSU Championship 2001359982

1418Military StoryUSU Championship 2005385983

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest37983

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest347984

1331VladislavaAutumn School Contest 2004381985

1451Beerhouse TaleTimus Top Coders: Second Challenge361985

1435Financial ErrorUSU Personal Contest 2006366991

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest240996

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101721003

1339BabiesUSU Championship 20043751006

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2891011

1311Stable ConstructionUral Championship 2004. Round 13671012

1570Eating HighUSU Championship 20072871013

1539Intelligence DataUSU Personal Contest 20073111017

1687Numismatics for FunUSU Personal Contest 20092291020

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1361026

1075Thread in a SpaceUSU Personal Contest 20019591030

2007Mutants versus MachinesUral Regional School Programming Contest 2013661030

1790Searching for the TruthUral Regional School Programming Contest 20101661037

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1911042

1518Jedi Riddle 3Timus Top Coders: Third Challenge3071059

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1521063

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1501076

1317HailUral Championship 2004. Round 23391094

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1811096

1511Fiscal OperationsTimus Top Coders: Third Challenge2961097

1173Lazy SnailRomanian Online Contest December 20013201101

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2181103

1766Humpty DumptyUral Championship 20101691125

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup711127

1341DeviceUSU Championship 20043321132

1946Chinese Hockey 3Ural FU Personal Contest 2012831137

1627JoinPetrozavodsk Winter 2008. ITMO Contest2231138

1458War GamesTimus Top Coders: Second Challenge3091145

1357Teakettle 1.0 for DummiesSpring School Contest 20053281147

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2011149

1947MeanderUral FU Personal Contest 2012821149

1807Cartridges for MaximNEERC 2010 Eastern Subregional1471154

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest301155

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2481156

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3271157

1544Classmates 3Ural Championship 20072671157

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871165

1447Portkey NetworkUral Championship 20063061167

1408Polynomial MultiplicationAutumn School Contest 20053241168

1444ElephpotamusUral Championship 20063041175

1595Perfect Sequence1891175

1686Photovoltaic SpaceshipUSU Personal Contest 20091971178

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional851187

1453QueenTimus Top Coders: Second Challenge2971190

1540Battle for the RingUSU Personal Contest 20072631195

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1741197

1307ArchiverUral Championship 2004. Round 13081200

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2421200

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1141204

1657Cube SnakeNEERC 2008 Eastern Subregional2031205

1736Chinese HockeyUSU Championship 20091701211

1035Cross-stitchUral Championship 19999011212

1359ConstructionSpring School Contest 20053101212

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391216

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest281216

1669Universal WordPetrozavodsk Winter 2008. USU Contest1951226

1487Chinese FootballUSU Championship 20062701229

1310ACM DiagnosticsUral Championship 2004. Round 12991235

1950Martian FarmlandsUral FU Personal Contest 2012751244

1321Floor IndicatorUral Championship 2004. Round 22961247

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2701254

1538Towers of GuardUSU Personal Contest 20072501255

1546Japanese SortingUral Championship 20072431267

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2481271

1533Fat HobbitsUSU Personal Contest 20072441285

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1961287

1177Like ComparisonsUSU Personal Contest 20022731289

1328FireballAutumn School Contest 20042881292

1065FrontierNEERC 20007791301

1050Preparing an ArticleUSU Local Contest. March 20008221303

1097Square Country 2USU Local Contest. March 20017041304

1171Lost in SpaceRomanian Online Contest December 20012661317

1281River BasinNEERC 2003 Central Subregional2741333

1240Heroes of Might and MagicNEERC 20022651351

1360Philosophical DisputeUral Championship 2005. Round 22761357

1099Work Scheduling6111358

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup571362

1499KerchiefsAutumn School Contest 20062411368

1393Average Common Prefix2691379

1770The Party of Ural ChampionsUral Championship 20101361380

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup561383

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1411387

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2261389

1908Brute-force SearchUral Championship 2012711400

1802Cube PuzzleNEERC 2010 Eastern Subregional1191405

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2221413

1266Kirchhoff's LawUSU Championship 20032571417

1265MirrorUSU Championship 20032561422

1318LogarithmUral Championship 2004. Round 22581424

1299PsyloniansSpring School Contest 20042571427

1449Credit Operations 2Timus Top Coders: Second Challenge2461427

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1101435

1419Maps of the Island WorldsUSU Championship 20052591443

1412Autumn TideUSU Championship 20052581448

1345HTMLUSU Championship 20042571450

1347BlogSpring School Contest 20052561458

1764TranssibUral Championship 20101281460

1441From the History of Gringotts BankUral Championship 20062411469

1043Cover an ArcUSU Championship 20007341474

1886Trip 2NEERC 2011 Eastern Subregional891474

1762Search for a Hiding-PlaceUSU Personal Contest 20101281481

1170DesertRomanian Online Contest December 20012351484

1565The Duel for ThreeUSU Championship 20071911496

1969Hong Kong TramUral FU Personal Contest 2013501511

1251Cemetery ManagerUSU Local Contest. March 20032371512

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2171524

1782Jack's New WordUral SU Championship 20101101527

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1531528

1241Inlay CuttersNEERC 20022331531

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest871539

1831Tsyfirkin's LessonUral Championship 2011961541

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2111565

1337BureaucracyAutumn School Contest 20042351572

1568Train Car SortingUSU Championship 20071811575

1734Endgame DatabaseUSU Championship 20091281579

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1221586

1485Football and LieUSU Championship 20062061594

1670AsteriskPetrozavodsk Summer 2008. USU Contest1461597

1583CheeseNEERC 2007 Eastern Subregional1751612

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2301625

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2281639

1488ACM PokerUSU Championship 20061991647

1516NostalgiaTimus Top Coders: Third Challenge1931654

1894Non-Flying WeatherNEERC 2011 Eastern Subregional781658

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional581658

1702CrossroadUral Championship 20091341667

1977Energy WallUral Championship 2013421671

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest791677

1062TriathlonNEERC 20006011679

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921691

1610CactusesUral Championship 20081561691

1420Integer-Valued Complex DivisionUSU Championship 20052191695

1841CablewaysPetrozavodsk Summer 2010. USU Contest781703

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest171711

1338AutomobilesUSU Championship 20042161714

1046Geometrical DreamsUSU Local Contest. March 20006221715

1707Hypnotoad's SecretUral Championship 20091301715

1615Tram SolitaireUral Championship 20081531722

1257HyphenationAutumn School Contest 20032091726

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20011991736

1839The MentaculusUral Championship 2011841738

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest761742

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1781744

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest881757

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1891765

1492Vasya's Dad 2Autumn School Contest 20061841770

1514National ParkTimus Top Coders: Third Challenge1791776

1781Clean CodeUral SU Championship 2010931779

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1071790

1417Space Poker 2USU Championship 20052061797

1304ParallelepipedUral Championship 19982011807

1425Queen 2Timus Top Coders: First Challenge1961817

2022Riding a ToadNEERC 2014 Eastern Subregional171821

1378Artificial IntelligenceUral Championship 2005. Round 12031831

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841831

1093DartsUSU Local Contest. March 20014981833

1163ChapaevNEERC 2001 Northern Subregional1861854

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1231873

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1231873

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1511878

1945Many-armed BrothersUral FU Personal Contest 2012461888

1972Game TestingUral Championship 2013361889

1757Gold BarsUSU Personal Contest 2010981892

1532Lost in TranslationUSU Personal Contest 20071621897

1634Spider MiteUSU Championship 20081261904

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1221904

1503PolynomialNEERC 2006 Eastern Subregional1691909

1216Two Pawns and One KingUSU Championship 20021841910

1703Robotic ArmUral Championship 20091151921

1187Statistical TroubleNEERC 20011791933

1455Freedom of SpeechTimus Top Coders: Second Challenge1791933

1867NanotechnologiesUral FU Championship 2011661938

1833Hopes of RowingUral Championship 2011741945

1396Maximum. Version 21751962

1148Building TowersDSAP Vietnam Online Contest November 20011731983

1188LibraryNEERC 20011722007

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1742015

1063Domino PuzzleNEERC 20004942035

1288AstrolocationUSU Personal Contest 20041772036

1232Asteroid LandingNEERC 2002 Central Subregional1722037

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1122042

1835Swamp DoctorUral Championship 2011692068

1978E-LiteUral Championship 2013322069

1267Yekaterinburg SubwayUSU Championship 20031722078

1092TransversalUSU Local Contest. March 20014372083

1549Another Japanese PuzzleUral Championship 20071432095

1543Dance RevolutionUral Championship 20071422108

1850Space TourismPetrozavodsk Summer 2010. USU Contest612110

1541ChaseUSU Personal Contest 20071442119

1315MDPAR and MIIARUral Championship 2004. Round 11702120

1041NikiforUSU Championship 20005072122

1074Very Short ProblemUSU Personal Contest 20014592128

1504Good MannersNEERC 2006 Eastern Subregional1492149

1652Banking CrisisNEERC 2008 Eastern Subregional1092157

1655Somali PiratesNEERC 2008 Eastern Subregional1082175

1882Old NokiaUral Regional School Programming Contest 2011572188

1397Points Game1472204

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21662206

2006Kirill the GardenerUral Regional School Programming Contest 2013252236

1256Cemetery GuardUSU Local Contest. March 20031572237

1270UnicubeUSU Championship 20031592238

1368Goat in the Garden 3Ural Championship 2005. Round 21632244

1758Bald Spot Revisited 2USU Personal Contest 2010812246

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1012265

1481Winning ChancesUSU Championship 20061402295

1284Space PokerUSU Personal Contest 20041552308

1829Routing TablesUSU Personal Contest 2011622326

1865The Island of MärketUral FU Championship 2011532338

1739FaryuksUSU Championship 2009832343

1735Theft of the CenturyUSU Championship 2009822369

1895Steaks on BoardNEERC 2011 Eastern Subregional512393

1717Eligibility RulesNEERC 2009 Eastern Subregional822394

1275Knights of the Round TableNEERC 2003 Central Subregional1452442

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional362451

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602459

1704DemodulationUral Championship 2009872475

1975Model of the EarthUral Championship 2013252483

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest502488

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782503

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1082562

1609Tram TileUral Championship 2008992575

1300TaxesUral Championship 19981382577

1308Dean's PyramidUral Championship 2004. Round 11382579

1312TrayUral Championship 2004. Round 11372596

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup252607

1454Rectangles 2Timus Top Coders: Second Challenge1302610

1520Empire Strikes BackTimus Top Coders: Third Challenge1182622

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472629

1239Ghost BustersNEERC 20021312634

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup242684

1938Caribbean TriangleUral FU Championship 2012312703

1856War and PeacePetrozavodsk Summer 2011. USU Contest452714

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest72718

1505Oil TransferNEERC 2006 Eastern Subregional1152733

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812762

1858Magic CubePetrozavodsk Summer 2011. USU Contest442764

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1152767

1566Triangular PostcardsUSU Championship 2007982785

1694Killer WordsPetrozavodsk Winter 2009. USU Contest772786

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest772786

1597Chernobyl’ Eagle on a Roof. Version 292820

1681Brother Bear's GardenUSU Personal Contest 2009762835

1637Triangle Game 2USU Championship 2008812846

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest632868

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest62888

1482Triangle GameUSU Championship 20061082917

141140 Islands KnightsUSU Championship 20051222940

1957MundialPetrozavodsk Winter 2013. Kontur Cup212944

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional282967

1834Tennis RacketUral Championship 2011452971

1909Space ReconUral Championship 2012282984

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest712992

1999The secret moduleNEERC 2013 Eastern Subregional163057

1442Floo PowderUral Championship 20061103073

2016Magic and ScienceNEERC 2014 Eastern Subregional63073

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463074

1622EndspielPetrozavodsk Winter 2008. ITMO Contest763082

1395Pascal vs. C++. Version 21073116

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest453130

1367Top SecretUral Championship 2005. Round 21143131

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373188

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest733193

1438Time Limit ExceededUSU Personal Contest 20061053239

1058ChocolateNEERC 2000 Central Subregional3223252

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest43300

1616Square Country 4Ural Championship 2008753302

1166Funny Card GameNEERC 2001 Northern Subregional1033346

1429BiscuitsTimus Top Coders: First Challenge1003403

1464LightPetrozavodsk Winter 2006. USU Contest933410

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1033451

1733Forgotten TechnologyUSU Championship 2009533459

1973Location GeneratorUral Championship 2013153476

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333485

1632LasersUSU Championship 2008643500

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup163510

1466Magic SquarePetrozavodsk Winter 2006. USU Contest903512

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763516

1765Error 404Ural Championship 2010473534

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest33554


1509Domino RecognitionNEERC 2006 Eastern Subregional823714

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest23850

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903900

1778Chinese Hockey 2Ural SU Championship 2010373900

1598DSA Attack33954

1661DodecahedronPetrozavodsk Winter 2008. USU Contest533990

1967Programmer CasinoUral FU Personal Contest 2013124119

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504190

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684204

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704323

1271Sailing DirectionsUSU Championship 2003774348

1763Expert FleaUral Championship 2010364379

1797Summit Online Judge. Version 2164428

1771A Deputy's MorningUral Championship 2010354476

1460WiresPetrozavodsk Winter 2006. USU Contest684503

1594Aztec Treasure414591

1344Gigantic TurnipUSU Championship 2004744610

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest654611

1801The Revolution CupNEERC 2010 Eastern Subregional294646

1340CucarachaUSU Championship 2004734666

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404847

1426RectanglesTimus Top Coders: First Challenge664926

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575162

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415197

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest655200

1365Testing CalculatorUral Championship 2005. Round 2625392

1906The Lost CivilizationUral Championship 2012115398

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest175528

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest605572

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest375639

1372Death StarUral Championship 2005. Round 1585734

1848Fly HuntPetrozavodsk Summer 2010. USU Contest155994

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316131

1842Local RootsPetrozavodsk Summer 2010. USU Contest146244

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest306285

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446405

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296582

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest166621

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest306626

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276733

1363HalftonesUral Championship 2005. Round 2447190

1548Sakura and StatisticsUral Championship 2007347284

1653Death ConveyorNEERC 2008 Eastern Subregional257334

1596Knight Mare87417

1536Delights of Pipe-weedUSU Personal Contest 2007327770

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup18293

1432Twofold LuckUSU Personal Contest 2006348467

1840Victim of AdvertisingUral Championship 201189077

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199139

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179226

1376Dean's Pyramid 2Ural Championship 2005. Round 1329284

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest229448

1415Mobile LifeUSU Championship 2005299947

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310537

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1310830

1374MisereUral Championship 2005. Round 12311816

1708Sum of Digits 2Ural Championship 20091012002

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2212188

1399Economical Director1712355

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2013000

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313146

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314255

1369Cockroach RaceUral Championship 2005. Round 21316880

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1118572

1589SokobanNEERC 2007 Eastern Subregional322945

1394Ships. Version 2330003