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Problem set


1000A+B Problem6177219

1001Reverse Root1691320

1785Lost in LocalizationUral Regional School Programming Contest 2010901720

1293EniyaSpring School Contest 20041583924

1877Bicycle CodesUral Regional School Programming Contest 2011606624

1409Two GangstersAutumn School Contest 20051521326

1820Ural SteaksUSU Personal Contest 2011580128

1787Turn for MEGAUral Regional School Programming Contest 2010574731

1264WorkdaysAutumn School Contest 20031133133

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011443033

1197Lonesome KnightSpring School Contest 20021064534

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional310235

2001Mathematicians and BerriesUral Regional School Programming Contest 2013206737

1639Chocolate 2Autumn School Contest 2008664338

1924Four ImpsUral Regional School Programming Contest 2012278439

1313Some Words about SportUral Championship 2004. Round 1859544


12091, 10, 100, 1000...Autumn School Contest 2002803346

1319HotelUral Championship 2004. Round 2802147

1567SMS-spamUSU Championship 2007638847

1581TeamworkAutumn School Contest 2007621848

1225FlagsNEERC 2002 Central Subregional713052

1263ElectionsAutumn School Contest 2003726052

1585PenguinsNEERC 2007 Eastern Subregional566252

1881Long problem statementUral Regional School Programming Contest 2011275852

1876Centipede's MorningUral Regional School Programming Contest 2011270453

1100Final StandingsTetrahedron Team Online Contest May 2001648855

1893A380NEERC 2011 Eastern Subregional258455

1327FusesAutumn School Contest 2004677757

1991The battle near the swampNEERC 2013 Eastern Subregional133057

1110PowerBulgarian Online Contest September 2001612459

1243Divorce of the Seven DwarfsUSU Personal Contest 2003627559

1349FarmSpring School Contest 2005638660

1493One Step from HappinessAutumn School Contest 2006572560

1925British Scientists Save the WorldUral Regional School Programming Contest 2012175862

1545HieroglyphsUral Championship 2007506163

1607TaxiUSU Personal Contest 2008450163

1496SpammerAutumn School Contest 2006532164

1636Penalty TimeUSU Championship 2008397564

1837Isenbaev's NumberUral Championship 2011238367

1149Sinus Dances531868

1196History ExamSpring School Contest 2002535768

1617Flat SpotsUral Championship 2008402969

2005Taxi for ProgrammersUral Regional School Programming Contest 2013108669

1723Sandro's BookUral Regional School Programming Contest 2009310470

1563BayanUSU Championship 2007417271

1654Cipher MessageNEERC 2008 Eastern Subregional357171

1131CopyingUSU Championship 2001498672

1025Democracy in DangerAutumn School Contest 20001510073

1457Heating MainTimus Top Coders: Second Challenge498673

1792Hamming CodeUral Regional School Programming Contest 2010246173

1224SpiralNEERC 2002 Central Subregional495274

2002Test TaskUral Regional School Programming Contest 2013101574

1935Tears of DrownedUral FU Championship 2012145075

2011Long StatementUral Regional School Programming Contest 2013100075

1712Cipher GrilleNEERC 2009 Eastern Subregional286776

1290SabotageSpring School Contest 2004493077

1083Factorials!!!Spring School Contest 20011237579

1194HandshakesSpring School Contest 2002435483

1502Domino DotsNEERC 2006 Eastern Subregional408783

1902Neo-VeniceUral Championship 2012132383

1139City BlocksNEERC 2001 Central Subregional421685

1638BookwormUSU Championship 2008301085

2012About Grisha N.NEERC 2014 Eastern Subregional54186

1106Two TeamsTetrahedron Team Online Contest May 2001409587

1120Sum of Sequential NumbersAutumn School Contest 2001415087

1404Easy to Hack!Autumn School Contest 2005444787

1180Stone GameUSU Personal Contest 2002398891

1796Amusement ParkUral Regional School Programming Contest 2010197791

1786Sandro's BiographyUral Regional School Programming Contest 2010195492

1161StripiesNEERC 2001 Northern Subregional383694

1601AntiCAPSUSU Personal Contest 2008299594

16421D MazeAutumn School Contest 2008271194

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201379494

1510OrderNEERC 2006 Eastern Subregional354296

1644A Whole Lot of WalnutsAutumn School Contest 2008263097

1731DillUral Regional School Programming Contest 2009223497

1005Stone PileUSU Championship 19971132798

1009K-based NumbersUSU Championship 19971124698

1119MetroAutumn School Contest 2001364699

1297PalindromeSpring School Contest 20043801100

1446Sorting HatUral Championship 20063648100

1777AnindilyakwaUral SU Championship 20101780101

1873GOV ChroniclesUral Regional School Programming Contest 20111430101

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013488102

1214Strange ProcedureAutumn School Contest 20023584103

1370MagicianUral Championship 2005. Round 23758103

1228ArrayNEERC 2002 Central Subregional3554104

1146Maximum SumDSAP Vietnam Online Contest November 20013438105

1020RopeAutumn School Contest 200010169109

1136ParliamentNEERC 2001 Central Subregional3297109

1118Nontrivial NumbersAutumn School Contest 20013258110

1573AlchemyAutumn School Contest 20072707110

1014Product of DigitsUSU Local Contest. 19999956111

1082Gaby IvanushkaSpring School Contest 20018712112

1330IntervalsAutumn School Contest 20043424112

1203Scientific ConferenceUSU Local Contest. March 20023165115

1296HyperjumpSpring School Contest 20043301115

1582BookmakersNEERC 2007 Eastern Subregional2564115

2023Donald is a postmanNEERC 2014 Eastern Subregional399115

1044Lucky Tickets. Easy!USU Championship 20009399116

1079MaximumWinter Mathematical Festival Varna 20018460116

1192Ball in a DreamSpring School Contest 20023126116

2000Grand Theft Array VUral Regional School Programming Contest 2013647116

1711Code NamesNEERC 2009 Eastern Subregional1851117

1226esreveR redrONEERC 2002 Central Subregional3119118

1868Prediction ContestUral FU Championship 20111217119

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023019120

1219Symbolic SequenceUSU Championship 20023022122

1126Magnetic StormsUSU Championship 20012905124

1683FridgeUSU Personal Contest 20091931125

1931Excellent TeamUral FU Championship 2012860125

1123SalaryAutumn School Contest 20012854126

1984Dummy GuyOpen Ural FU Championship 2013609126

1086CryptographySpring School Contest 20017651127

1688Team.GOV!USU Personal Contest 20091896127

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional590128

1353Milliard Vasya's FunctionSpring School Contest 20052933131

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101371131

1283DwarfUSU Personal Contest 20042854132

1336Problem of Ben BetsalelAutumn School Contest 20042927132

1725Sold Out!Ural Regional School Programming Contest 20091638132

1022Genealogical TreeAutumn School Contest 20008169135

1021Sacrament of the SumAutumn School Contest 20008024137

1260Nudnik PhotographerAutumn School Contest 20032746137

1352Mersenne PrimesSpring School Contest 20052786138

1740Deer is Better!USU Championship 20091550138

1821BiathlonUSU Personal Contest 20111180139

1864Get-Together at Den'sUral FU Championship 20111037139

1222Chernobyl’ EaglesUSU Championship 20022612141

1612Tram ForumUral Championship 20081966141

1026Questions and AnswersAutumn School Contest 20007781142

1142RelationsDSAP Vietnam Online Contest November 20012535142

1402CocktailsAutumn School Contest 20052694144

1576Telephone TariffsAutumn School Contest 20072048145

1964Chinese DialectsUral FU Personal Contest 2013665145

1878Rubinchik's CubeUral Regional School Programming Contest 2011985146

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional745146

1982Electrification PlanOpen Ural FU Championship 2013514148

1084Goat in the GardenSpring School Contest 20016497150

1756One and a Half DiggersUSU Personal Contest 20101328151

1178Akbardin’s RoadsUSU Personal Contest 20022371153

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional699156

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional294156

1572Yekaterinozavodsk Great WellAutumn School Contest 20071868159

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101114161

1306Sequence MedianUral Championship 19982334162

1210Kind SpiritsAutumn School Contest 20022247163

1769Old Ural LegendUral Championship 20101210163

1874Football GoalUral Regional School Programming Contest 2011879163

1135RecruitsNEERC 2001 Central Subregional2191164

1157Young TilerUral Championship 2001. Round 22195164

1869New Year CruiseUral FU Championship 2011877164

1073Square CountryUSU Personal Contest 20016001165

1295Crazy NotionsSpring School Contest 20042287165

1800Murphy's LawNEERC 2010 Eastern Subregional1076165

1017StaircasesUSU Local Contest. 19996609167

1506Columns of NumbersNEERC 2006 Eastern Subregional2018168

1709Penguin-AviaUral Championship 20091411168

1213Cockroaches!Autumn School Contest 20022167169

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091269170

1789Searching for the DodecahedronUral Regional School Programming Contest 20101050170

1012K-based Numbers. Version 26464171

1167Bicolored HorsesRomanian Online Contest December 20012112171

1685OrthographyUSU Personal Contest 20091387173

1640Circle of WinterAutumn School Contest 20081457174

1280Topological SortingNEERC 2003 Central Subregional2128176

1413Mars JumperUSU Championship 20052170177

1048Superlong SumsUSU Local Contest. March 20005990179

1930Ivan's CarUral Regional School Programming Contest 2012603179

1193Queue at the ExamSpring School Contest 20021994181

1354Palindrome. Again PalindromeSpring School Contest 20052119181

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1401181

1134CardsNEERC 2001 Central Subregional1962183

1335White ThesisAutumn School Contest 20042103184

1164FillwordNEERC 2001 Northern Subregional1942185

1645Ski RaceAutumn School Contest 20081367186

1613For Fans of StatisticsUral Championship 20081480187

1102Strange DialogTetrahedron Team Online Contest May 20011888188

1272Non-Yekaterinburg SubwayUSU Championship 20031998188

1586Threeprime NumbersNEERC 2007 Eastern Subregional1554190

1885Passenger ComfortNEERC 2011 Eastern Subregional748190

1114BoxesBulgarian Online Contest September 20011860192

1208Legendary Teams ContestUSU Local Contest. March 20021879193

1846GCD 2010Petrozavodsk Summer 2010. USU Contest745195

1138Integer PercentageNEERC 2001 Central Subregional1832196

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1250196

1680The First NonqualifyingUSU Personal Contest 20091222196

1023ButtonsAutumn School Contest 20005584197

1207Median on the PlaneUSU Local Contest. March 20021834197

1133Fibonacci SequenceNEERC 2001 Central Subregional1810198

1112CoverBulgarian Online Contest September 20011789200

1998The old PadawanNEERC 2013 Eastern Subregional374201

1944Record of the Attack at the OrbitUral FU Personal Contest 2012628205

1423String TaleTimus Top Coders: First Challenge1799206

1922Superhero TeamUral Regional School Programming Contest 2012522206

1249Ancient NecropolisUSU Local Contest. March 20031774208

1002Phone NumbersCentral European Olympiad in Informatics 19995265210

1737Mnemonics and Palindromes 3USU Championship 20091020210

1200Horns and HoofsUSU Local Contest. March 20021701213

1889Airport AnnouncementsNEERC 2011 Eastern Subregional665213

1348Goat in the Garden 2Spring School Contest 20051794214

1981Parallel and PerpendicularOpen Ural FU Championship 2013351215

1515CashmasterTimus Top Coders: Third Challenge1534216

2003Simple MagicUral Regional School Programming Contest 2013341216

1152False MirrorsUral Championship 2001. Round 21656217

1011ConductorsUSU Championship 19975054219

1052Rabbit HuntUSU Local Contest. March 20004916219

1125HopscotchUSU Championship 20011604223

1491Unreal StoryAutumn School Contest 20061499226

1033LabyrinthUral Championship 19994850227

1490Fire CircleAutumn School Contest 20061497227

1795Husband in a ShopUral Regional School Programming Contest 2010784227

1024PermutationsAutumn School Contest 20004815229

1826MinefieldUSU Personal Contest 2011704231

1987Nested SegmentsOpen Ural FU Championship 2013325232

1049Brave BalloonistsUSU Local Contest. March 20004603234

1333Genie Bomber 2Autumn School Contest 20041627234

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012459234

1150Page NumbersUral Championship 2001. Round 21510238

1191Catch the thief!Spring School Contest 20021515238

1122GameAutumn School Contest 20011497239

1183Brackets SequenceNEERC 20011514239

1635Mnemonics and PalindromesUSU Championship 20081056241

1779The Great TeamUral SU Championship 2010742241

1933Guns for Battle!Ural FU Championship 2012439243

1108HeritageBulgarian Online Contest September 20011461245

1247Check a SequenceUSU Personal Contest 20031507245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1578245

1603EruditeUSU Personal Contest 20081134246

1718RejudgeNEERC 2009 Eastern Subregional878246

1113JeepBulgarian Online Contest September 20011445247

1204IdempotentsUSU Local Contest. March 20021455248

1205By the Underground or by Foot?USU Local Contest. March 20021451249

1242WerewolfUSU Personal Contest 20031480249

1355Bald Spot RevisitedSpring School Contest 20051539249

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional177249

1010Discrete FunctionUSTU PhysTech Cup 20004426250

1823Ideal GasUSU Personal Contest 2011646252

1433DiamondsUSU Personal Contest 20061457253

1298KnightSpring School Contest 20041476255

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1268255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013836256

1726VisitsUral Regional School Programming Contest 2009831258

1494MonobilliardsAutumn School Contest 20061305260

1195Ouths and CrossesSpring School Contest 20021375262

1989SubpalindromesOpen Ural FU Championship 2013284264

1087The Time to Take StonesSpring School Contest 20013662265

1080Map ColoringWinter Mathematical Festival Varna 20013681266

1047Simple CalculationsUSU Local Contest. March 20004035267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031382267

1303Minimal CoverageUral Championship 19981408268

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional164268

1028StarsUral Championship 19994078269

1109ConferenceBulgarian Online Contest September 20011323270

1904The Lessons of the PastUral Championship 2012400271

2018The Debut AlbumNEERC 2014 Eastern Subregional162271

1179Numbers in TextUSU Personal Contest 20021324272

1220StacksUSU Championship 20021340273

1117HierarchyAutumn School Contest 20011287278

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional634278

1537EntsUSU Personal Contest 20071146281

1201Which Day Is It?USU Local Contest. March 20021282282

1658Sum of DigitsNEERC 2008 Eastern Subregional893282

1053PinocchioNEERC 2000 Central Subregional3801283

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional262283

1032Find a MultipleUral Championship 19993366285

1684Jack's Last WordUSU Personal Contest 2009837285

1741Communication FiendUSU Championship 2009745286

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest711287

1211Collective GuaranteeAutumn School Contest 20021264289

1244GentlemenUSU Personal Contest 20031277289

1497Cutting a SquareAutumn School Contest 20061173289

1995Illegal spicesNEERC 2013 Eastern Subregional256290

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1173291

1551Sumo TournamentUral Championship 20071082292

1590Bacon’s CipherNEERC 2007 Eastern Subregional1004292

1018Binary Apple TreeUSU Local Contest. 19993764293

1184Cable MasterNEERC 20011230293

1753BookshelfUSU Personal Contest 2010679294

1793Tray 2Ural Regional School Programming Contest 2010599296

1377Lara CroftUral Championship 2005. Round 11293298

1501Sense of BeautyNEERC 2006 Eastern Subregional1127299

1215Exactness of Projectile HitAutumn School Contest 20021191307

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest665307

1116Piecewise Constant FunctionAutumn School Contest 20011160308

1127Colored BricksUSU Championship 20011159308

1934Black SpotUral FU Championship 2012343309

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest764310

1901Space ElevatorsUral Championship 2012347311

1036Lucky Tickets3509313

1121BranchesAutumn School Contest 20011137314

1190Bar of ChocolateSpring School Contest 20021142316

1008Image EncodingUSTU PhysTech Cup 20003488317

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1070319

1294Mars SatellitesSpring School Contest 20041171321

1923Scary PoliticsUral Regional School Programming Contest 2012332321

1153SupercomputerUral Championship 2001. Round 21114322

1648YachtsAutumn School Contest 2008782323

1302Delta-waveUral Championship 19981162324

1588JamaicaNEERC 2007 Eastern Subregional902325

1029MinistryUral Championship 19992920329

1060Flip GameNEERC 20003096329

1124MosaicUSU Championship 20011085329

1604Country of FoolsUSU Personal Contest 2008839332

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest430334

1137Bus RoutesNEERC 2001 Central Subregional1065336

1828Approximation by a ProgressionUSU Personal Contest 2011482336

1227Rally ChampionshipNEERC 2002 Central Subregional1081338

1031Railway TicketsUral Championship 19993213342

1185WallNEERC 20011052343

1406Next NumberAutumn School Contest 20051123343

1223Chernobyl’ Eagle on a RoofUSU Championship 20021052347

1320Graph DecompositionUral Championship 2004. Round 21086347

1759Long-LiversUSU Personal Contest 2010571348

1783Nuclear Arms RaceUral SU Championship 2010511348

1140Swamp IncidentNEERC 2001 Central Subregional1023349

1483Table FootballUSU Championship 2006969350

1090In the Army NowUSU Local Contest. March 20012621352

1262Pseudo-Roman NumberAutumn School Contest 20031060352

1992CVSNEERC 2013 Eastern Subregional208353

1007Code WordsUSU Championship 19973116355

2021Scarily interesting!NEERC 2014 Eastern Subregional122356

1218Episode N-th: The Jedi TournamentUSU Championship 20021021358

1631Drunk King 2USU Championship 2008705359

1941Scary Martian WordUral FU Personal Contest 2012355359

1055CombinationsNEERC 2000 Central Subregional2981360

1282Game TreeNEERC 2003 Central Subregional1035361

1292Mars Space StationsSpring School Contest 20041041361

1160NetworkNEERC 2001 Northern Subregional1007363

1450Russian PipelinesTimus Top Coders: Second Challenge991363

1156Two RoundsUral Championship 2001. Round 2983364

1963KiteUral FU Personal Contest 2013260364

1574Mathematicians and bracketsAutumn School Contest 2007806365

1860FiborialPetrozavodsk Summer 2011. USU Contest393365

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional384365

1431DiplomasUSU Personal Contest 20061003366

1261TipsAutumn School Contest 20031016367

1403CourierAutumn School Contest 20051042369

1246Tethered DogUSU Personal Contest 2003992371

1521War Games 2Timus Top Coders: Third Challenge890371

1774Barber of the Army of MagesUral SU Championship 2010477372

1517Freedom of ChoiceTimus Top Coders: Third Challenge885373

1651Shortest SubchainNEERC 2008 Eastern Subregional667376

1078SegmentsWinter Mathematical Festival Varna 20012595377

1229Strong BrickworkNEERC 2002 Central Subregional970377

1346Intervals of MonotonicityUSU Championship 20041013377

1039Anniversary PartyUSU Championship 20002866380

1259How to Become Star?Autumn School Contest 2003980380

1562GM-pineappleUSU Championship 2007777380

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional278383

1015Test the Difference!USU Local Contest. 19992874384

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest636386

1115ShipsBulgarian Online Contest September 2001919387

1176HyperchannelsUSU Personal Contest 2002927388

1003ParityCentral European Olympiad in Informatics 19992847389

1279WarehouseNEERC 2003 Central Subregional956390

1094E-screenUSU Local Contest. March 20012361391

1489Points on a ParallelepipedAutumn School Contest 2006859393

1217Unlucky TicketsUSU Championship 2002924395

1407One-two, One-twoAutumn School Contest 2005972395

1732Ministry of TruthUSU Championship 2009534397

1289One Way TicketUSU Personal Contest 2004942398

1427SMSTimus Top Coders: First Challenge922400

1111SquaresBulgarian Online Contest September 2001882403

1571InterpretersUSU Championship 2007732403

1038Spell CheckerUSU Championship 20002689404

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest797404

1107Warehouse ProblemTetrahedron Team Online Contest May 2001870406

1356Something EasierSpring School Contest 2005942406

1480CouponsUSU Championship 2006833406

1141RSA Attack876407

1287Mars CanalsUSU Personal Contest 2004920408

1602ElevatorUSU Personal Contest 2008680409

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest496410

1971Graphics SettingsUral Championship 2013215412

1700AwakeningUral Championship 2009567413

1089Verification with a VocabularySpring School Contest 20012345414

1495One-two, One-two 2Autumn School Contest 2006812416

1776Anniversary FireworkUral SU Championship 2010425416

1350CanteenSpring School Contest 2005914418

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional418418

1202Rectangles TravelUSU Local Contest. March 2002857420

1181Cutting a Painted PolygonUSU Personal Contest 2002853421

2009Canteen LineUral Regional School Programming Contest 2013170421

1128Partition into GroupsUSU Championship 2001844422

1507Difficult DecisionNEERC 2006 Eastern Subregional791424

1077Travelling Tours836426

1513Lemon TaleTimus Top Coders: Third Challenge772427

1291Gear-wheelsSpring School Contest 2004877428

1019Line PaintingUSU Local Contest. 19992570429

1641DutiesAutumn School Contest 2008584430

1890Money out of Thin AirNEERC 2011 Eastern Subregional324430

1252Sorting the TombstonesUSU Local Contest. March 2003853431

1221Malevich Strikes Back!USU Championship 2002830439

1051Simple Game on a GridUSU Local Contest. March 20002442440

1728Curse on Team.GOVUral Regional School Programming Contest 2009484440

1643Attack of the Dark FortressAutumn School Contest 2008563446

1129Door PaintingUSU Championship 2001797447

2004Scientists from SpilkovoUral Regional School Programming Contest 2013159448

1416ConfidentialUSU Championship 2005847451

1871Seismic WavesUral FU Championship 2011312452

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001787453

1258PoolAutumn School Contest 2003821453

1900Brainwashing DeviceUral Championship 2012235453

1519Formula 1Timus Top Coders: Third Challenge725454

1072RoutingUSU Personal Contest 20012169456

1990PodracingNEERC 2013 Eastern Subregional159456

1189Pairs of IntegersNEERC 2001786457

1942Attack at the OrbitUral FU Personal Contest 2012276458

1410CrackUSU Championship 2005832459

1884Way to the UniversityUral Regional School Programming Contest 2011306459

1535The Hobbit or There and Back AgainUSU Personal Contest 2007695460

1928Another Ecology ProblemUral Regional School Programming Contest 2012228461

1891Language OceanNEERC 2011 Eastern Subregional301462

1980Road to InvestorUral Championship 2013189466

1162Currency ExchangeNEERC 2001 Northern Subregional765467

1428Jedi RiddleTimus Top Coders: First Challenge784469

1729Dead Man's ChestUral Regional School Programming Contest 2009452471

1091Tmutarakan ExamsUSU Local Contest. March 20011946474

1525PathPetrozavodsk Winter 2007. D.Gozman Contest678474

1236Decoding TaskNEERC 2002765477

1628White StreaksUSU Championship 2008528478

1754Explosion in a PyramidUSU Personal Contest 2010413478

1870Zinium 2Ural FU Championship 2011295478


1095Nikifor 3USU Local Contest. March 20011915481

1838Samurai's StrokeUral Championship 2011325481

1343Fairy TaleUSU Championship 2004784486

1155TroubleduonsUral Championship 2001. Round 2732487

1066GarlandNEERC 20002080488

1273TieUSU Championship 2003757491

1579Coat TransportationAutumn School Contest 2007597491

1212BattleshipAutumn School Contest 2002739492

1401GamersAutumn School Contest 2005780492

1939First SealUral FU Championship 2012210496

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional428498

1103Pencils and CirclesTetrahedron Team Online Contest May 2001706499

1329Galactic HistoryAutumn School Contest 2004757500

1056Computer NetNEERC 2000 Central Subregional2129503

1182Team Them Up!NEERC 2001712504

1803The Czechs' RiflesNEERC 2010 Eastern Subregional344506

1326Bottle TapsUral Championship 2004. Round 2739507

1158Censored!NEERC 2001 Northern Subregional697511

1430Crime and PunishmentTimus Top Coders: First Challenge717513

1322SpyUral Championship 2004. Round 2730514

1994The Emperor's planNEERC 2013 Eastern Subregional139517

1238FoldingNEERC 2002705518

1316Electronic AuctionUral Championship 2004. Round 1723518

1334CheckersAutumn School Contest 2004730518

1366PresentsUral Championship 2005. Round 2734520

1069Prufer CodeUSU Personal Contest 20011888523

1143Electric PathDSAP Vietnam Online Contest November 2001681523

1806Mobile TelegraphsNEERC 2010 Eastern Subregional332523

1892Morning in KoltsovoNEERC 2011 Eastern Subregional263526

1866Poetic FootUral FU Championship 2011266528

1577E-mailAutumn School Contest 2007553529

1045Funny GameUSU Local Contest. March 20002024531

1600AirportUSU Personal Contest 2008521531

1903Unidentified ShipsUral Championship 2012199531

1962In Chinese RestaurantUral FU Personal Contest 2013174533

1101Robot in the FieldTetrahedron Team Online Contest May 2001651540

1767The House of Doctor DeeUral Championship 2010359540

1027D++ AgainAutumn School Contest 20002030541

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional194541

1400Cellular CharactersAutumn School Contest 2005707542

1710Boris, You Are Wrong!Ural Championship 2009429542

1439Battle with You-Know-WhoUral Championship 2006666543

1314Chase in SubwayUral Championship 2004. Round 1689544

1605Devil's SequenceUSU Personal Contest 2008508544

1064Binary SearchNEERC 20001865545

1822Hugo II's WarUSU Personal Contest 2011291549

2008SwiftyUral Regional School Programming Contest 2013128549

1414Astronomical DatabaseUSU Championship 2005691551

1061Buffer ManagerNEERC 20001837553

1550Dean's Pyramid 3Ural Championship 2007563556

1701Ostap and PartnersUral Championship 2009418556

1071Nikifor 2USU Personal Contest 20011774557

1085MeetingSpring School Contest 20011741557

1940Not So Simple YearsUral FU Championship 2012185559

1059ExpressionNEERC 2000 Central Subregional1914560

1932The Secret of IdentifierUral FU Championship 2012184562

1698Square Country 5Petrozavodsk Winter 2009. USU Contest417563

1966Cycling RoadsUral FU Personal Contest 2013164564

1004Sightseeing TripCentral European Olympiad in Informatics 19991957565

1650BillionairesNEERC 2008 Eastern Subregional441565

1713Key SubstringsNEERC 2009 Eastern Subregional376565

1760Infernal WorkUSU Personal Contest 2010348565


1351Good Gnusmas – Dead GnusmasSpring School Contest 2005670568

1534Football in GondorUSU Personal Contest 2007556573

1445Christmas giftsUral Championship 2006630574

1070Local TimeUSU Personal Contest 20011714576

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional71576

1437Gasoline StationUSU Personal Contest 2006633577

1592Chinese WatchesNEERC 2007 Eastern Subregional504577

1690Army of MagesPetrozavodsk Winter 2009. USU Contest405579

1682Crazy ProfessorUSU Personal Contest 2009407580

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012179580

1421Credit OperationsTimus Top Coders: First Challenge630582

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest442582

1448Lighting in HogwartsUral Championship 2006620583

1659Regular TrianglesNEERC 2008 Eastern Subregional426584

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup142584

1362Classmates 2Ural Championship 2005. Round 2651585

1172Ship RoutesRomanian Online Contest December 2001607586

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest240588

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest500589

1054Hanoi TowerNEERC 2000 Central Subregional1804594

1375Bill CleversUral Championship 2005. Round 1644594

1706Cipher Message 2Ural Championship 2009382607

1832Arirang ShowUral Championship 2011255608

1067Disk TreeNEERC 20001664610

1358CablesSpring School Contest 2005622611

1986Paul’s SaladsOpen Ural FU Championship 2013117611

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest481612

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional169617

1309DisputeUral Championship 2004. Round 1603620

1755CakeUSU Personal Contest 2010316620

1988Planet Ocean LandingOpen Ural FU Championship 2013115621

1872Spacious OfficeUral FU Championship 2011224622

1325DirtUral Championship 2004. Round 2598625

1096Get the Right Route Plate!USU Local Contest. March 20011460630

1974Similar TunesUral Championship 2013137630

1773Metro to Every HomeUral Championship 2010306631


1174Weird PermutationsRomanian Online Contest December 2001561634

1234BricksNEERC 2002571636

1465Pawn GamePetrozavodsk Winter 2006. USU Contest539637

1606SlalomUSU Personal Contest 2008433637

1830Help in the RNOSUral Championship 2011242639

1088Ilya MurometzSpring School Contest 20011512640

1254Die HardUSU Local Contest. March 2003570641

1443RailsUral Championship 2006558646

1248Sequence SumUSU Personal Contest 2003564647

1253NecrologuesUSU Local Contest. March 2003565647

1186Chemical ReactionsNEERC 2001551648

1633HippogriffsUSU Championship 2008382656

1542AutocompletionUral Championship 2007474658

1452Pascal vs. C++Timus Top Coders: Second Challenge541660

1564Counting OnesUSU Championship 2007443660

1996Cipher Message 3NEERC 2013 Eastern Subregional106664

1875Angry BirdsUral Regional School Programming Contest 2011207668

1961Cantonese DialectUral FU Personal Contest 2013137668

1332Genie BomberAutumn School Contest 2004563669

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009315669

1629TripUSU Championship 2008372673

1500Pass LicensesNEERC 2006 Eastern Subregional494674

1775Space BowlingUral SU Championship 2010258676

1772Ski-Trails for RobotsUral Championship 2010284678

1440Training ScheduleUral Championship 2006531679

1780Gray CodeUral SU Championship 2010255683

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest492685

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional251686

1034Queens in Peaceful PositionsUral Championship 19991573696

1301Cube in LabyrinthUral Championship 1998535697

1371Cargo AgencyUral Championship 2005. Round 1543702

1486Equal SquaresUSU Championship 2006475706

1274Fractional ArithmeticNEERC 2003 Central Subregional523707

1286Starship TravelUSU Personal Contest 2004525709

1230Introspective ProgramNEERC 2002 Central Subregional509711

1611DecimationUral Championship 2008381713

1037Memory ManagementUSU Championship 20001518714

1168Radio StationsRomanian Online Contest December 2001495716

1738Computer SecurityUSU Championship 2009291717

1927Herbs and MagicUral Regional School Programming Contest 2012143717

1646Godzilla Strikes Back!Autumn School Contest 2008346718

1235Cricket FieldNEERC 2002502722

1305Convex HullUral Championship 1998516722

1614National Project “Trams”Ural Championship 2008376722

1159FenceNEERC 2001 Northern Subregional490723

1057Amount of DegreesNEERC 2000 Central Subregional1477724

1016Cube on the WalkUSU Local Contest. 19991514725

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest404726

1825Ifrit Bomber 2USU Personal Contest 2011217728

1405Goat in the Garden 5Autumn School Contest 2005521731

1936RoshamboUral FU Championship 2012139732

1250Sea BurialUSU Local Contest. March 2003495736

1587Flying PigNEERC 2007 Eastern Subregional391739

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest451746

1132Square Root471750

1905Travel in TimeUral Championship 2012138750

1512ZiniumTimus Top Coders: Third Challenge431757

1716Alternative SolutionNEERC 2009 Eastern Subregional278757

1689Fisherman and BarbellUSU Personal Contest 2009309758

1943Space RummyUral FU Personal Contest 2012163758

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest450760

1169PairsRomanian Online Contest December 2001465762

1921Chaos and OrderUral Regional School Programming Contest 2012134762

1484Film RatingUSU Championship 2006438764

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional52764

1424MinibusTimus Top Coders: First Challenge477765

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest211769

1379Cups TransportationUral Championship 2005. Round 1493772

1042Central HeatingUSU Championship 20001400774

1705Gangster HaresUral Championship 2009297775

1392Dreaming of Stars489778

1720Summit Online JudgeNEERC 2009 Eastern Subregional267787

1434Buses in VasyukiUSU Personal Contest 2006460789

1547Password SearchUral Championship 2007393791

1647Divide an Island!Autumn School Contest 2008313791

1030TitanicUral Championship 19991372797

1165SubnumberNEERC 2001 Northern Subregional444797

1824Ifrit BomberUSU Personal Contest 2011197798

1983Nectar GatheringOpen Ural FU Championship 201387800

1593Square Country. Version 2295801

1715Another Ball KillerNEERC 2009 Eastern Subregional262802

1456Jedi Riddle 2Timus Top Coders: Second Challenge441806

1630TalismanUSU Championship 2008306813

1608Lucky Tickets 2008Ural Championship 2008332815

1268Little ChuUSU Championship 2003449820

1269Obscene Words FilterUSU Championship 2003448822

1836Babel FishUral Championship 2011186822

1105Observers ColoringTetrahedron Team Online Contest May 2001423825

1761Binary PalindromeUSU Personal Contest 2010234829

1883Ent's BirthdayUral Regional School Programming Contest 2011163838

1154Mages ContestUral Championship 2001. Round 2421839

1147Shaping RegionsDSAP Vietnam Online Contest November 2001418844

1937Davy Jones’s OrganUral FU Championship 2012119845

1863Peaceful AtomUral FU Championship 2011161852

1323ClassmatesUral Championship 2004. Round 2434856

1498Stroke at Full SpeedAutumn School Contest 2006389856

1233Amusing NumbersNEERC 2002421858

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest370858

1976Game OptimizationUral Championship 201398858

1979Resources DistributionUral Championship 201398858

1006Square FramesUSU Championship 19971280860

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest161860

1436BillboardUSU Personal Contest 2006420862

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest440865

1324Extra SpacesUral Championship 2004. Round 2429866

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest230867

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest293868

1276TrainNEERC 2003 Central Subregional423870

1013K-based Numbers. Version 348877

1578Mammoth HuntAutumn School Contest 2007329879

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest225882

1373Pictura ex MachinaUral Championship 2005. Round 1429884

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest385885

1887Frequent Flyer CardNEERC 2011 Eastern Subregional152887

1245PicturesUSU Personal Contest 2003408889

1970皇后像廣場Ural FU Personal Contest 2013100892

1342EnterpriseUSU Championship 2004422893

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest257900

1879GOV-internship 2Ural Regional School Programming Contest 2011150902

1364LaraKillerUral Championship 2005. Round 2416907

1827Indigenous WarsUSU Personal Contest 2011172908

1580Dean's DebtsAutumn School Contest 2007318909

1277Cops and ThievesNEERC 2003 Central Subregional403913

1862Very Wealthy MoleUral FU Championship 2011149916

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional110920

1285Thread in a HyperspaceUSU Personal Contest 2004401922

1237Evacuation PlanNEERC 2002391924

1278“… Connecting People”NEERC 2003 Central Subregional397926

1575Yekaterinburg Subway 2Autumn School Contest 2007311928

1730ManBearPigUral Regional School Programming Contest 2009224929

1784RoundersUral SU Championship 2010184933

1907Coffee and BunsUral Championship 2012109933

1768Circular StringsUral Championship 2010203936

1422FirefliesTimus Top Coders: First Challenge384946

1175Strange SequenceUSU Personal Contest 2002372951

1985Prime SquareOpen Ural FU Championship 201371958

1569Networking the “Iset”USU Championship 2007301961

1151RadiobeaconsUral Championship 2001. Round 2366962

1722Observation DeckUral Regional School Programming Contest 2009214970

1040Airline CompanyUSU Championship 20001111974

1591Abstract ThinkingNEERC 2007 Eastern Subregional294975

1948The Robot on the LineUral FU Personal Contest 2012124978

1130Nikifor's WalkUSU Championship 2001358980

1331VladislavaAutumn School Contest 2004381981

1418Military StoryUSU Championship 2005383983

1451Beerhouse TaleTimus Top Coders: Second Challenge360983

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest345984

1398Bishop and Pawn327985

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010172991

1435Financial ErrorUSU Personal Contest 2006364992

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest238996

1339BabiesUSU Championship 20043731007

1311Stable ConstructionUral Championship 2004. Round 13671008

1570Eating HighUSU Championship 20072861010

1965Pear TreesUral FU Personal Contest 2013871012

1539Intelligence DataUSU Personal Contest 20073101014

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1351018

1949The Best Picture in the GalaxyUral FU Personal Contest 20121181024

1687Numismatics for FunUSU Personal Contest 20092261025

1790Searching for the TruthUral Regional School Programming Contest 20101661025

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2821029

1075Thread in a SpaceUSU Personal Contest 20019551030

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1901036

1968Glass PyramidUral FU Personal Contest 2013841044

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1511055

1518Jedi Riddle 3Timus Top Coders: Third Challenge3031067

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1491069

2007Mutants versus MachinesUral Regional School Programming Contest 2013601082

1317HailUral Championship 2004. Round 23391089

1511Fiscal OperationsTimus Top Coders: Third Challenge2951095

1173Lazy SnailRomanian Online Contest December 20013201096

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1791097

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup711097

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2161103

2017Best of a bad lotNEERC 2014 Eastern Subregional321110

1341DeviceUSU Championship 20043311131

1766Humpty DumptyUral Championship 20101661132

1357Teakettle 1.0 for DummiesSpring School Contest 20053281142

1458War GamesTimus Top Coders: Second Challenge3081144

1627JoinPetrozavodsk Winter 2008. ITMO Contest2201144

1807Cartridges for MaximNEERC 2010 Eastern Subregional1461147

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup671153

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest1981155

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3261156

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2461158

1544Classmates 3Ural Championship 20072651159

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2861163

1408Polynomial MultiplicationAutumn School Contest 20053221170

1444ElephpotamusUral Championship 20063031173

1447Portkey NetworkUral Championship 20063031173

1595Perfect Sequence1871176

1686Photovoltaic SpaceshipUSU Personal Contest 20091951180

1453QueenTimus Top Coders: Second Challenge2971185

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1741185

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1141185

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional831187

1307ArchiverUral Championship 2004. Round 13081195

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2411197

1657Cube SnakeNEERC 2008 Eastern Subregional2011207

1035Cross-stitchUral Championship 19998991209

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1381209

1359ConstructionSpring School Contest 20053091210

1487Chinese FootballUSU Championship 20062721214

1540Battle for the RingUSU Personal Contest 20072561220

1669Universal WordPetrozavodsk Winter 2008. USU Contest1941222

1736Chinese HockeyUSU Championship 20091661226

1310ACM DiagnosticsUral Championship 2004. Round 12971238

1321Floor IndicatorUral Championship 2004. Round 22961242

1538Towers of GuardUSU Personal Contest 20072491253

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2681257

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2471269

1533Fat HobbitsUSU Personal Contest 20072441278

1546Japanese SortingUral Championship 20072401280

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1951283

1177Like ComparisonsUSU Personal Contest 20022721288

1328FireballAutumn School Contest 20042871291

1065FrontierNEERC 20007761300

1097Square Country 2USU Local Contest. March 20017031300

1050Preparing an ArticleUSU Local Contest. March 20008191301

1171Lost in SpaceRomanian Online Contest December 20012661311

1281River BasinNEERC 2003 Central Subregional2731332

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup561346

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup561346

1240Heroes of Might and MagicNEERC 20022641349

1360Philosophical DisputeUral Championship 2005. Round 22751356

1099Work Scheduling6061362

1499KerchiefsAutumn School Contest 20062401366

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1401382

1770The Party of Ural ChampionsUral Championship 20101341384

1908Brute-force SearchUral Championship 2012701387

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2251388

1802Cube PuzzleNEERC 2010 Eastern Subregional1181398

1265MirrorUSU Championship 20032561416

1266Kirchhoff's LawUSU Championship 20032561416

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1101416

1318LogarithmUral Championship 2004. Round 22581418

1449Credit Operations 2Timus Top Coders: Second Challenge2461420

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2191424

1393Average Common Prefix2581429

1299PsyloniansSpring School Contest 20042541437

1419Maps of the Island WorldsUSU Championship 20052591437

1946Chinese Hockey 3Ural FU Personal Contest 2012811441

1947MeanderUral FU Personal Contest 2012811441

1412Autumn TideUSU Championship 20052581442

1886Trip 2NEERC 2011 Eastern Subregional891451

1764TranssibUral Championship 20101271455

1347BlogSpring School Contest 20052551457

1345HTMLUSU Championship 20042541461

1762Search for a Hiding-PlaceUSU Personal Contest 20101281466

1441From the History of Gringotts BankUral Championship 20062401468

1043Cover an ArcUSU Championship 20007331469

1170DesertRomanian Online Contest December 20012341483

1565The Duel for ThreeUSU Championship 20071901494

1782Jack's New WordUral SU Championship 20101101509

1251Cemetery ManagerUSU Local Contest. March 20032361512

1831Tsyfirkin's LessonUral Championship 2011961520

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2161523

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1511535

1241Inlay CuttersNEERC 20022311536

1568Train Car SortingUSU Championship 20071811565

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2091571

1337BureaucracyAutumn School Contest 20042331578

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1211582

1734Endgame DatabaseUSU Championship 20091261587

1670AsteriskPetrozavodsk Summer 2008. USU Contest1451594

1950Martian FarmlandsUral FU Personal Contest 2012721599

1583CheeseNEERC 2007 Eastern Subregional1741611

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest811615

1485Football and LieUSU Championship 20062011623

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2281632

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2261646

1894Non-Flying WeatherNEERC 2011 Eastern Subregional771651

1516NostalgiaTimus Top Coders: Third Challenge1921653

1488ACM PokerUSU Championship 20061961663

1969Hong Kong TramUral FU Personal Contest 2013491664

1702CrossroadUral Championship 20091331665

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest781670

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional561672

1062TriathlonNEERC 20005991676

1610CactusesUral Championship 20081561679

1420Integer-Valued Complex DivisionUSU Championship 20052191688

1841CablewaysPetrozavodsk Summer 2010. USU Contest771696

1508Japanese PuzzleNEERC 2006 Eastern Subregional1901699

1615Tram SolitaireUral Championship 20081531710

1839The MentaculusUral Championship 2011841714

1046Geometrical DreamsUSU Local Contest. March 20006191715

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest761716

1257HyphenationAutumn School Contest 20032081726

1338AutomobilesUSU Championship 20042131729

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20011981736

1707Hypnotoad's SecretUral Championship 20091271738

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1771744

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest871752

1781Clean CodeUral SU Championship 2010931758

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1881765

1514National ParkTimus Top Coders: Third Challenge1791767

1492Vasya's Dad 2Autumn School Contest 20061831770

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1061787

1417Space Poker 2USU Championship 20052061789

1304ParallelepipedUral Championship 19982011799

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841808

1425Queen 2Timus Top Coders: First Challenge1961809

1977Energy WallUral Championship 2013411817

1378Artificial IntelligenceUral Championship 2005. Round 12031823

1093DartsUSU Local Contest. March 20014971828

1163ChapaevNEERC 2001 Northern Subregional1851854

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1221872

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1221872

1757Gold BarsUSU Personal Contest 2010981873

1532Lost in TranslationUSU Personal Contest 20071621887

1503PolynomialNEERC 2006 Eastern Subregional1691899

1634Spider MiteUSU Championship 20081251904

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1211904

1216Two Pawns and One KingUSU Championship 20021831911

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1471914

1703Robotic ArmUral Championship 20091141920

1187Statistical TroubleNEERC 20011791924

1455Freedom of SpeechTimus Top Coders: Second Challenge1791924

1867NanotechnologiesUral FU Championship 2011651942

1396Maximum. Version 21751953

1148Building TowersDSAP Vietnam Online Contest November 20011711995

1188LibraryNEERC 20011721998

1833Hopes of RowingUral Championship 2011702014

1972Game TestingUral Championship 2013362015

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1732016

1232Asteroid LandingNEERC 2002 Central Subregional1722027

1063Domino PuzzleNEERC 20004922033

1288AstrolocationUSU Personal Contest 20041762038

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1112042

1835Swamp DoctorUral Championship 2011682066

1267Yekaterinburg SubwayUSU Championship 20031722069

1549Another Japanese PuzzleUral Championship 20071432083

1092TransversalUSU Local Contest. March 20014342087

1541ChaseUSU Personal Contest 20071442107

1850Space TourismPetrozavodsk Summer 2010. USU Contest602108

1315MDPAR and MIIARUral Championship 2004. Round 11702111

1041NikiforUSU Championship 20005052120

1543Dance RevolutionUral Championship 20071402124

1504Good MannersNEERC 2006 Eastern Subregional1492138

1074Very Short ProblemUSU Personal Contest 20014542141

2006Kirill the GardenerUral Regional School Programming Contest 2013252165

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21662197

1882Old NokiaUral Regional School Programming Contest 2011562197

1652Banking CrisisNEERC 2008 Eastern Subregional1052215

1655Somali PiratesNEERC 2008 Eastern Subregional1052215

1397Points Game1452221

1256Cemetery GuardUSU Local Contest. March 20031572227

1270UnicubeUSU Championship 20031592228

1758Bald Spot Revisited 2USU Personal Contest 2010802247

1978E-LiteUral Championship 2013312260

1368Goat in the Garden 3Ural Championship 2005. Round 21612261

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest992288

1481Winning ChancesUSU Championship 20061392299

1739FaryuksUSU Championship 2009832321

1829Routing TablesUSU Personal Contest 2011612327

2022Riding a ToadNEERC 2014 Eastern Subregional102331

1284Space PokerUSU Personal Contest 20041522340

1735Theft of the CenturyUSU Championship 2009822346

1865The Island of MärketUral FU Championship 2011522349

1895Steaks on BoardNEERC 2011 Eastern Subregional512355

1945Many-armed BrothersUral FU Personal Contest 2012452384

1717Eligibility RulesNEERC 2009 Eastern Subregional812397

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602427

1275Knights of the Round TableNEERC 2003 Central Subregional1452431

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional352452

1704DemodulationUral Championship 2009872454

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782479

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest492491

1300TaxesUral Championship 19981382565

1308Dean's PyramidUral Championship 2004. Round 11382568

1609Tram TileUral Championship 2008982581

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472589

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1062590

1454Rectangles 2Timus Top Coders: Second Challenge1302597

1312TrayUral Championship 2004. Round 11362603

1520Empire Strikes BackTimus Top Coders: Third Challenge1182608

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup242612

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup242612

1239Ghost BustersNEERC 20021312622

1975Model of the EarthUral Championship 2013252648

1938Caribbean TriangleUral FU Championship 2012312660

1597Chernobyl’ Eagle on a Roof. Version 292686

1694Killer WordsPetrozavodsk Winter 2009. USU Contest772762

1856War and PeacePetrozavodsk Summer 2011. USU Contest432773

1505Oil TransferNEERC 2006 Eastern Subregional1122786

1566Triangular PostcardsUSU Championship 2007972793

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest792802

1681Brother Bear's GardenUSU Personal Contest 2009762812

1637Triangle Game 2USU Championship 2008812824

1858Magic CubePetrozavodsk Summer 2011. USU Contest422826

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest742861

1957MundialPetrozavodsk Winter 2013. Kontur Cup212865

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest622879

1482Triangle GameUSU Championship 20061082902

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional282904

2016Magic and ScienceNEERC 2014 Eastern Subregional62913

1909Space ReconUral Championship 2012282921

1834Tennis RacketUral Championship 2011452930

1999The secret moduleNEERC 2013 Eastern Subregional162962

141140 Islands KnightsUSU Championship 20051202973

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest703004

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463034

1442Floo PowderUral Championship 20061093085

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest453090

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1013100

1367Top SecretUral Championship 2005. Round 21143118

1395Pascal vs. C++. Version 21073128

1622EndspielPetrozavodsk Winter 2008. ITMO Contest743132

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373139

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest723208

1438Time Limit ExceededUSU Personal Contest 20061053225

1616Square Country 4Ural Championship 2008753279

1058ChocolateNEERC 2000 Central Subregional3163296

1166Funny Card GameNEERC 2001 Northern Subregional1033331

1429BiscuitsTimus Top Coders: First Challenge1003388

1464LightPetrozavodsk Winter 2006. USU Contest923426

1733Forgotten TechnologyUSU Championship 2009533426

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333432

1765Error 404Ural Championship 2010473496

1632LasersUSU Championship 2008633521

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1003531

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest753535

1466Magic SquarePetrozavodsk Winter 2006. USU Contest873603


1509Domino RecognitionNEERC 2006 Eastern Subregional823694

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup143701

1973Location GeneratorUral Championship 2013153707

1778Chinese Hockey 2Ural SU Championship 2010373853

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903884

1661DodecahedronPetrozavodsk Winter 2008. USU Contest533958

1598DSA Attack24070

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504156

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684181

1967Programmer CasinoUral FU Personal Contest 2013114199

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704301

1763Expert FleaUral Championship 2010364332

1271Sailing DirectionsUSU Championship 2003764379

1797Summit Online Judge. Version 2154510

1771A Deputy's MorningUral Championship 2010344529

1460WiresPetrozavodsk Winter 2006. USU Contest674538

1594Aztec Treasure414550

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest654588

1801The Revolution CupNEERC 2010 Eastern Subregional294590

1340CucarachaUSU Championship 2004734646

1344Gigantic TurnipUSU Championship 2004734646

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404806

1426RectanglesTimus Top Coders: First Challenge664903

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575136

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest655178

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest405261

1906The Lost CivilizationUral Championship 2012115285

1365Testing CalculatorUral Championship 2005. Round 2625369

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest175443

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest605548

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest375597

1372Death StarUral Championship 2005. Round 1575795

1848Fly HuntPetrozavodsk Summer 2010. USU Contest155902

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316082

1842Local RootsPetrozavodsk Summer 2010. USU Contest146148

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446372

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296531

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest286562

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276678

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest156797

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest286922

1363HalftonesUral Championship 2005. Round 2447159

1548Sakura and StatisticsUral Championship 2007347242

1653Death ConveyorNEERC 2008 Eastern Subregional257277

1596Knight Mare77716

1536Delights of Pipe-weedUSU Personal Contest 2007317915

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup18070

1432Twofold LuckUSU Personal Contest 2006348428

1840Victim of AdvertisingUral Championship 201188952

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199071

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179151

1376Dean's Pyramid 2Ural Championship 2005. Round 1329245

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest229390

1415Mobile LifeUSU Championship 20052810165

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310448

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1310742

1374MisereUral Championship 2005. Round 12311766

1708Sum of Digits 2Ural Championship 20091011900

1399Economical Director1612761

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2012946

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2012946

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313064

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314177

1369Cockroach RaceUral Championship 2005. Round 21316808

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1118494

1589SokobanNEERC 2007 Eastern Subregional322800

1394Ships. Version 2232366