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Problem set


1000A+B Problem6181619

1001Reverse Root1693520

1785Lost in LocalizationUral Regional School Programming Contest 2010902820

1293EniyaSpring School Contest 20041585724

1877Bicycle CodesUral Regional School Programming Contest 2011607524

1409Two GangstersAutumn School Contest 20051523125

1820Ural SteaksUSU Personal Contest 2011580928

1787Turn for MEGAUral Regional School Programming Contest 2010575431

1264WorkdaysAutumn School Contest 20031134033

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011443233

1197Lonesome KnightSpring School Contest 20021064934

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional312035

2001Mathematicians and BerriesUral Regional School Programming Contest 2013207936

1639Chocolate 2Autumn School Contest 2008664738

1924Four ImpsUral Regional School Programming Contest 2012278939

1313Some Words about SportUral Championship 2004. Round 1860144


12091, 10, 100, 1000...Autumn School Contest 2002803846

1319HotelUral Championship 2004. Round 2802747

1567SMS-spamUSU Championship 2007639547

1581TeamworkAutumn School Contest 2007622148

1225FlagsNEERC 2002 Central Subregional714452

1263ElectionsAutumn School Contest 2003726852

1585PenguinsNEERC 2007 Eastern Subregional567652

1881Long problem statementUral Regional School Programming Contest 2011275852

1876Centipede's MorningUral Regional School Programming Contest 2011271553

1100Final StandingsTetrahedron Team Online Contest May 2001649255

1893A380NEERC 2011 Eastern Subregional258655

1327FusesAutumn School Contest 2004678356

1991The battle near the swampNEERC 2013 Eastern Subregional134357

1110PowerBulgarian Online Contest September 2001612859

1243Divorce of the Seven DwarfsUSU Personal Contest 2003628059

1349FarmSpring School Contest 2005638760

1493One Step from HappinessAutumn School Contest 2006572760

1607TaxiUSU Personal Contest 2008450762

1925British Scientists Save the WorldUral Regional School Programming Contest 2012176462

1545HieroglyphsUral Championship 2007507163

1496SpammerAutumn School Contest 2006532964

1636Penalty TimeUSU Championship 2008398164

1837Isenbaev's NumberUral Championship 2011238767

1149Sinus Dances531868

1196History ExamSpring School Contest 2002536268

1617Flat SpotsUral Championship 2008403369

2005Taxi for ProgrammersUral Regional School Programming Contest 2013109069

1723Sandro's BookUral Regional School Programming Contest 2009310970

1563BayanUSU Championship 2007418071

1654Cipher MessageNEERC 2008 Eastern Subregional357571

1131CopyingUSU Championship 2001499172

1025Democracy in DangerAutumn School Contest 20001510773

1457Heating MainTimus Top Coders: Second Challenge498873

1792Hamming CodeUral Regional School Programming Contest 2010246673

1224SpiralNEERC 2002 Central Subregional495574

1935Tears of DrownedUral FU Championship 2012145674

2002Test TaskUral Regional School Programming Contest 2013101874

2011Long StatementUral Regional School Programming Contest 2013100375

1712Cipher GrilleNEERC 2009 Eastern Subregional286876

1290SabotageSpring School Contest 2004493377

1083Factorials!!!Spring School Contest 20011238279

2012About Grisha N.NEERC 2014 Eastern Subregional58680

1194HandshakesSpring School Contest 2002435683

1502Domino DotsNEERC 2006 Eastern Subregional408983

1902Neo-VeniceUral Championship 2012132683

1139City BlocksNEERC 2001 Central Subregional421985

1638BookwormUSU Championship 2008301985

1106Two TeamsTetrahedron Team Online Contest May 2001409787

1120Sum of Sequential NumbersAutumn School Contest 2001415287

1404Easy to Hack!Autumn School Contest 2005445187

1180Stone GameUSU Personal Contest 2002399591

1796Amusement ParkUral Regional School Programming Contest 2010198091

1786Sandro's BiographyUral Regional School Programming Contest 2010195692

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201380793

1161StripiesNEERC 2001 Northern Subregional383994

1601AntiCAPSUSU Personal Contest 2008299794

16421D MazeAutumn School Contest 2008271294

1510OrderNEERC 2006 Eastern Subregional354696

1644A Whole Lot of WalnutsAutumn School Contest 2008263297

1731DillUral Regional School Programming Contest 2009224497

1005Stone PileUSU Championship 19971133398

1009K-based NumbersUSU Championship 19971125398

1119MetroAutumn School Contest 2001364998

1297PalindromeSpring School Contest 20043801100

1446Sorting HatUral Championship 20063651100

1777AnindilyakwaUral SU Championship 20101780101

1873GOV ChroniclesUral Regional School Programming Contest 20111436101

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

1214Strange ProcedureAutumn School Contest 20023584103

1228ArrayNEERC 2002 Central Subregional3557103

1370MagicianUral Championship 2005. Round 23759103

1146Maximum SumDSAP Vietnam Online Contest November 20013439105

2023Donald is a postmanNEERC 2014 Eastern Subregional427108

1020RopeAutumn School Contest 200010175109

1136ParliamentNEERC 2001 Central Subregional3299109

1118Nontrivial NumbersAutumn School Contest 20013260110

1573AlchemyAutumn School Contest 20072708110

1014Product of DigitsUSU Local Contest. 19999964111

1082Gaby IvanushkaSpring School Contest 20018715112

1330IntervalsAutumn School Contest 20043424112

1203Scientific ConferenceUSU Local Contest. March 20023166115

1296HyperjumpSpring School Contest 20043304115

1582BookmakersNEERC 2007 Eastern Subregional2567115

2000Grand Theft Array VUral Regional School Programming Contest 2013652115

1044Lucky Tickets. Easy!USU Championship 20009400116

1079MaximumWinter Mathematical Festival Varna 20018460116

1192Ball in a DreamSpring School Contest 20023126116

1711Code NamesNEERC 2009 Eastern Subregional1851117

1226esreveR redrONEERC 2002 Central Subregional3120118

1868Prediction ContestUral FU Championship 20111217119

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

1219Symbolic SequenceUSU Championship 20023022122

1126Magnetic StormsUSU Championship 20012906124

1683FridgeUSU Personal Contest 20091931125

1931Excellent TeamUral FU Championship 2012862125

1984Dummy GuyOpen Ural FU Championship 2013612125

1123SalaryAutumn School Contest 20012854126

1086CryptographySpring School Contest 20017654127

1688Team.GOV!USU Personal Contest 20091896127

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional592128

1336Problem of Ben BetsalelAutumn School Contest 20042928131

1353Milliard Vasya's FunctionSpring School Contest 20052933131

1725Sold Out!Ural Regional School Programming Contest 20091650131

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101372131

1283DwarfUSU Personal Contest 20042855132

1022Genealogical TreeAutumn School Contest 20008171135

1260Nudnik PhotographerAutumn School Contest 20032746137

1021Sacrament of the SumAutumn School Contest 20008024138

1352Mersenne PrimesSpring School Contest 20052786138

1740Deer is Better!USU Championship 20091551138

1821BiathlonUSU Personal Contest 20111181139

1864Get-Together at Den'sUral FU Championship 20111042139

1222Chernobyl’ EaglesUSU Championship 20022613141

1612Tram ForumUral Championship 20081967141

1026Questions and AnswersAutumn School Contest 20007783142

1142RelationsDSAP Vietnam Online Contest November 20012536142

1402CocktailsAutumn School Contest 20052696144

1576Telephone TariffsAutumn School Contest 20072048145

1878Rubinchik's CubeUral Regional School Programming Contest 2011985146

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional746146

1964Chinese DialectsUral FU Personal Contest 2013665146

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional309147

1982Electrification PlanOpen Ural FU Championship 2013514148

1084Goat in the GardenSpring School Contest 20016501150

1756One and a Half DiggersUSU Personal Contest 20101328151

1178Akbardin’s RoadsUSU Personal Contest 20022371153

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional699156

1572Yekaterinozavodsk Great WellAutumn School Contest 20071870159

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101115160

1306Sequence MedianUral Championship 19982337162

1210Kind SpiritsAutumn School Contest 20022248163

1769Old Ural LegendUral Championship 20101211163

1874Football GoalUral Regional School Programming Contest 2011881163

1135RecruitsNEERC 2001 Central Subregional2192164

1157Young TilerUral Championship 2001. Round 22195164

1869New Year CruiseUral FU Championship 2011877164

1073Square CountryUSU Personal Contest 20016004165

1295Crazy NotionsSpring School Contest 20042287165

1800Murphy's LawNEERC 2010 Eastern Subregional1077165

1017StaircasesUSU Local Contest. 19996610167

1506Columns of NumbersNEERC 2006 Eastern Subregional2018168

1709Penguin-AviaUral Championship 20091411168

1213Cockroaches!Autumn School Contest 20022167169

1167Bicolored HorsesRomanian Online Contest December 20012114170

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091271170

1789Searching for the DodecahedronUral Regional School Programming Contest 20101050170

1012K-based Numbers. Version 26465171

1685OrthographyUSU Personal Contest 20091388173

1640Circle of WinterAutumn School Contest 20081457174

1280Topological SortingNEERC 2003 Central Subregional2128176

1413Mars JumperUSU Championship 20052170177

1930Ivan's CarUral Regional School Programming Contest 2012603179

1048Superlong SumsUSU Local Contest. March 20005990180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1402180

1193Queue at the ExamSpring School Contest 20021994181

1335White ThesisAutumn School Contest 20042105181

1354Palindrome. Again PalindromeSpring School Contest 20052119181

1134CardsNEERC 2001 Central Subregional1963183

1164FillwordNEERC 2001 Northern Subregional1942185

1645Ski RaceAutumn School Contest 20081367186

1272Non-Yekaterinburg SubwayUSU Championship 20032000187

1613For Fans of StatisticsUral Championship 20081481187

1102Strange DialogTetrahedron Team Online Contest May 20011891188

1885Passenger ComfortNEERC 2011 Eastern Subregional750189

1586Threeprime NumbersNEERC 2007 Eastern Subregional1554190

1114BoxesBulgarian Online Contest September 20011862192

1208Legendary Teams ContestUSU Local Contest. March 20021879193

1846GCD 2010Petrozavodsk Summer 2010. USU Contest746195

1138Integer PercentageNEERC 2001 Central Subregional1833196

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1251196

1680The First NonqualifyingUSU Personal Contest 20091223196

1023ButtonsAutumn School Contest 20005584197

1207Median on the PlaneUSU Local Contest. March 20021835197

1133Fibonacci SequenceNEERC 2001 Central Subregional1810198

1112CoverBulgarian Online Contest September 20011789200

1998The old PadawanNEERC 2013 Eastern Subregional374201

1423String TaleTimus Top Coders: First Challenge1799206

1922Superhero TeamUral Regional School Programming Contest 2012522206

1944Record of the Attack at the OrbitUral FU Personal Contest 2012628206

1249Ancient NecropolisUSU Local Contest. March 20031774209

1002Phone NumbersCentral European Olympiad in Informatics 19995266210

1737Mnemonics and Palindromes 3USU Championship 20091020210

1200Horns and HoofsUSU Local Contest. March 20021701213

1889Airport AnnouncementsNEERC 2011 Eastern Subregional666213

1348Goat in the Garden 2Spring School Contest 20051796214

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 19975055219

1052Rabbit HuntUSU Local Contest. March 20004918219

1125HopscotchUSU Championship 20011604223

1490Fire CircleAutumn School Contest 20061499226

1491Unreal StoryAutumn School Contest 20061499226

1033LabyrinthUral Championship 19994850227

1795Husband in a ShopUral Regional School Programming Contest 2010784227

1024PermutationsAutumn School Contest 20004815229

1826MinefieldUSU Personal Contest 2011704232

1987Nested SegmentsOpen Ural FU Championship 2013325232

1049Brave BalloonistsUSU Local Contest. March 20004605234

1333Genie Bomber 2Autumn School Contest 20041627234

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012459234

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional190236

1150Page NumbersUral Championship 2001. Round 21510238

1191Catch the thief!Spring School Contest 20021515238

1122GameAutumn School Contest 20011497239

1183Brackets SequenceNEERC 20011514239

1635Mnemonics and PalindromesUSU Championship 20081057241

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

1718RejudgeNEERC 2009 Eastern Subregional878246

1113JeepBulgarian Online Contest September 20011445247

1603EruditeUSU Personal Contest 20081134247

1204IdempotentsUSU Local Contest. March 20021455248

1205By the Underground or by Foot?USU Local Contest. March 20021452249

1242WerewolfUSU Personal Contest 20031480249

1355Bald Spot RevisitedSpring School Contest 20051539249

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 20013837256

1726VisitsUral Regional School Programming Contest 2009832259

1494MonobilliardsAutumn School Contest 20061305260

2018The Debut AlbumNEERC 2014 Eastern Subregional170260

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional170261

1195Ouths and CrossesSpring School Contest 20021375263

1087The Time to Take StonesSpring School Contest 20013662265

1989SubpalindromesOpen Ural FU Championship 2013284265

1080Map ColoringWinter Mathematical Festival Varna 20013682266

1047Simple CalculationsUSU Local Contest. March 20004035267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031382267

1303Minimal CoverageUral Championship 19981409268

1028StarsUral Championship 19994078270

1109ConferenceBulgarian Online Contest September 20011323270

1904The Lessons of the PastUral Championship 2012400271

1179Numbers in TextUSU Personal Contest 20021324272

1220StacksUSU Championship 20021342273

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 Subregional894282

1053PinocchioNEERC 2000 Central Subregional3801283

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional262284

1032Find a MultipleUral Championship 19993367285

1684Jack's Last WordUSU Personal Contest 2009837286

1741Communication FiendUSU Championship 2009745286

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest711288

1211Collective GuaranteeAutumn School Contest 20021264289

1244GentlemenUSU Personal Contest 20031277289

1497Cutting a SquareAutumn School Contest 20061173289

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1175290

1995Illegal spicesNEERC 2013 Eastern Subregional256290

1551Sumo TournamentUral Championship 20071082292

1590Bacon’s CipherNEERC 2007 Eastern Subregional1007292

1018Binary Apple TreeUSU Local Contest. 19993764293

1184Cable MasterNEERC 20011231293

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 Contest764311

1901Space ElevatorsUral Championship 2012347311

1036Lucky Tickets3509313

1121BranchesAutumn School Contest 20011137314

1190Bar of ChocolateSpring School Contest 20021142316

1008Image EncodingUSTU PhysTech Cup 20003490317

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1071318

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 20011052342

1406Next NumberAutumn School Contest 20051123343

1223Chernobyl’ Eagle on a RoofUSU Championship 20021053347

1320Graph DecompositionUral Championship 2004. Round 21086347

1759Long-LiversUSU Personal Contest 2010572348

1783Nuclear Arms RaceUral SU Championship 2010511348

1140Swamp IncidentNEERC 2001 Central Subregional1023349

2021Scarily interesting!NEERC 2014 Eastern Subregional125349

1483Table FootballUSU Championship 2006969350

1090In the Army NowUSU Local Contest. March 20012621352

1262Pseudo-Roman NumberAutumn School Contest 20031060352

1992CVSNEERC 2013 Eastern Subregional208354

1007Code WordsUSU Championship 19973116355

1218Episode N-th: The Jedi TournamentUSU Championship 20021021358

1055CombinationsNEERC 2000 Central Subregional2981360

1631Drunk King 2USU Championship 2008705360

1941Scary Martian WordUral FU Personal Contest 2012355360

1282Game TreeNEERC 2003 Central Subregional1035361

1292Mars Space StationsSpring School Contest 20041041361

1450Russian PipelinesTimus Top Coders: Second Challenge991363

1156Two RoundsUral Championship 2001. Round 2983364

1160NetworkNEERC 2001 Northern Subregional1007364

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional385364

1963KiteUral FU Personal Contest 2013260364

1574Mathematicians and bracketsAutumn School Contest 2007807365

1860FiborialPetrozavodsk Summer 2011. USU Contest393365

1431DiplomasUSU Personal Contest 20061003366

1261TipsAutumn School Contest 20031017367

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 Challenge886373

1651Shortest SubchainNEERC 2008 Eastern Subregional668376

1078SegmentsWinter Mathematical Festival Varna 20012596377

1229Strong BrickworkNEERC 2002 Central Subregional971377

1346Intervals of MonotonicityUSU Championship 20041014377

1562GM-pineappleUSU Championship 2007779379

1039Anniversary PartyUSU Championship 20002866380

1259How to Become Star?Autumn School Contest 2003980380

1015Test the Difference!USU Local Contest. 19992874384

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional278384

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 2005972396

1732Ministry of TruthUSU Championship 2009534397

1289One Way TicketUSU Personal Contest 2004942398

1427SMSTimus Top Coders: First Challenge922400

1571InterpretersUSU Championship 2007732403

1111SquaresBulgarian Online Contest September 2001882404

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest798404

1038Spell CheckerUSU Championship 20002689405

1107Warehouse ProblemTetrahedron Team Online Contest May 2001870406

1356Something EasierSpring School Contest 2005942406

1480CouponsUSU Championship 2006833406

1141RSA Attack876408

1287Mars CanalsUSU Personal Contest 2004920408

1602ElevatorUSU Personal Contest 2008680409

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest496410

1700AwakeningUral Championship 2009567413

1971Graphics SettingsUral Championship 2013215413

1089Verification with a VocabularySpring School Contest 20012345414

1495One-two, One-two 2Autumn School Contest 2006813416

1776Anniversary FireworkUral SU Championship 2010425417

1350CanteenSpring School Contest 2005914418

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional418419

2009Canteen LineUral Regional School Programming Contest 2013171419

1202Rectangles TravelUSU Local Contest. March 2002857420

1181Cutting a Painted PolygonUSU Personal Contest 2002853421

1128Partition into GroupsUSU Championship 2001844422

1507Difficult DecisionNEERC 2006 Eastern Subregional791424

1077Travelling Tours838425

1513Lemon TaleTimus Top Coders: Third Challenge774426

1019Line PaintingUSU Local Contest. 19992572428

1291Gear-wheelsSpring School Contest 2004877428

1641DutiesAutumn School Contest 2008584430

1252Sorting the TombstonesUSU Local Contest. March 2003853431

1890Money out of Thin AirNEERC 2011 Eastern Subregional324431

1728Curse on Team.GOVUral Regional School Programming Contest 2009487438

1221Malevich Strikes Back!USU Championship 2002830439

1051Simple Game on a GridUSU Local Contest. March 20002442440

1643Attack of the Dark FortressAutumn School Contest 2008563446

1129Door PaintingUSU Championship 2001797447

2004Scientists from SpilkovoUral Regional School Programming Contest 2013159449

1416ConfidentialUSU Championship 2005848451

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001787453

1258PoolAutumn School Contest 2003821453

1871Seismic WavesUral FU Championship 2011312453

1519Formula 1Timus Top Coders: Third Challenge725454

1900Brainwashing DeviceUral Championship 2012235454

1072RoutingUSU Personal Contest 20012170456

1189Pairs of IntegersNEERC 2001787456

1990PodracingNEERC 2013 Eastern Subregional159457

1410CrackUSU Championship 2005832459

1884Way to the UniversityUral Regional School Programming Contest 2011306459

1942Attack at the OrbitUral FU Personal Contest 2012276459

1535The Hobbit or There and Back AgainUSU Personal Contest 2007695460

1891Language OceanNEERC 2011 Eastern Subregional301462

1928Another Ecology ProblemUral Regional School Programming Contest 2012228462

1980Road to InvestorUral Championship 2013189466

1162Currency ExchangeNEERC 2001 Northern Subregional765467

1428Jedi RiddleTimus Top Coders: First Challenge785469

1729Dead Man's ChestUral Regional School Programming Contest 2009452471

1091Tmutarakan ExamsUSU Local Contest. March 20011946474

1525PathPetrozavodsk Winter 2007. D.Gozman Contest678474

1870Zinium 2Ural FU Championship 2011296476

1236Decoding TaskNEERC 2002766477

1628White StreaksUSU Championship 2008529477

1754Explosion in a PyramidUSU Personal Contest 2010413478


1838Samurai's StrokeUral Championship 2011326480

1095Nikifor 3USU Local Contest. March 20011915482

1343Fairy TaleUSU Championship 2004784486

1155TroubleduonsUral Championship 2001. Round 2732487

1066GarlandNEERC 20002080489

1579Coat TransportationAutumn School Contest 2007598490

1212BattleshipAutumn School Contest 2002740491

1273TieUSU Championship 2003757491

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 Subregional2129504

1182Team Them Up!NEERC 2001712504

1803The Czechs' RiflesNEERC 2010 Eastern Subregional344506

1326Bottle TapsUral Championship 2004. Round 2739508

1158Censored!NEERC 2001 Northern Subregional697512

1430Crime and PunishmentTimus Top Coders: First Challenge717513

1322SpyUral Championship 2004. Round 2730514

1316Electronic AuctionUral Championship 2004. Round 1725517

1238FoldingNEERC 2002705518

1334CheckersAutumn School Contest 2004730518

1994The Emperor's planNEERC 2013 Eastern Subregional139518

1366PresentsUral Championship 2005. Round 2734520

1143Electric PathDSAP Vietnam Online Contest November 2001681523

1069Prufer CodeUSU Personal Contest 20011888524

1806Mobile TelegraphsNEERC 2010 Eastern Subregional332524

1892Morning in KoltsovoNEERC 2011 Eastern Subregional263527

1866Poetic FootUral FU Championship 2011266528

1577E-mailAutumn School Contest 2007553530

1045Funny GameUSU Local Contest. March 20002024531

1600AirportUSU Personal Contest 2008521531

1903Unidentified ShipsUral Championship 2012199532

1962In Chinese RestaurantUral FU Personal Contest 2013174534

1101Robot in the FieldTetrahedron Team Online Contest May 2001651540

1767The House of Doctor DeeUral Championship 2010359540

1027D++ AgainAutumn School Contest 20002030542

1400Cellular CharactersAutumn School Contest 2005707542

1439Battle with You-Know-WhoUral Championship 2006667542

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional194542

1710Boris, You Are Wrong!Ural Championship 2009429543

1314Chase in SubwayUral Championship 2004. Round 1689544

1064Binary SearchNEERC 20001865545

1605Devil's SequenceUSU Personal Contest 2008508545

1822Hugo II's WarUSU Personal Contest 2011291549

2008SwiftyUral Regional School Programming Contest 2013128550

1414Astronomical DatabaseUSU Championship 2005691551

1061Buffer ManagerNEERC 20001837553

1550Dean's Pyramid 3Ural Championship 2007563556

1071Nikifor 2USU Personal Contest 20011774557

1085MeetingSpring School Contest 20011741557

1701Ostap and PartnersUral Championship 2009418557

1059ExpressionNEERC 2000 Central Subregional1914560

1940Not So Simple YearsUral FU Championship 2012185560

1698Square Country 5Petrozavodsk Winter 2009. USU Contest417563

1932The Secret of IdentifierUral FU Championship 2012184563

1713Key SubstringsNEERC 2009 Eastern Subregional377564

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional74564

1004Sightseeing TripCentral European Olympiad in Informatics 19991957565

1650BillionairesNEERC 2008 Eastern Subregional441565

1760Infernal WorkUSU Personal Contest 2010348565

1966Cycling RoadsUral FU Personal Contest 2013164565


1351Good Gnusmas – Dead GnusmasSpring School Contest 2005670568

1445Christmas giftsUral Championship 2006630574

1534Football in GondorUSU Personal Contest 2007556574

1070Local TimeUSU Personal Contest 20011714576

1437Gasoline StationUSU Personal Contest 2006634576

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 2012179581

1421Credit OperationsTimus Top Coders: First Challenge630582

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest442582

1448Lighting in HogwartsUral Championship 2006620583

1659Regular TrianglesNEERC 2008 Eastern Subregional426584

1362Classmates 2Ural Championship 2005. Round 2652585

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup142585

1172Ship RoutesRomanian Online Contest December 2001607586

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest500589

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest240589

1375Bill CleversUral Championship 2005. Round 1645593

1054Hanoi TowerNEERC 2000 Central Subregional1804594

1706Cipher Message 2Ural Championship 2009383606

1832Arirang ShowUral Championship 2011255609

1067Disk TreeNEERC 20001664610

1358CablesSpring School Contest 2005622611

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest481612

1986Paul’s SaladsOpen Ural FU Championship 2013117612

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional169617

1755CakeUSU Personal Contest 2010317619

1309DisputeUral Championship 2004. Round 1603620

1988Planet Ocean LandingOpen Ural FU Championship 2013115622

1872Spacious OfficeUral FU Championship 2011224623

1325DirtUral Championship 2004. Round 2598625

1096Get the Right Route Plate!USU Local Contest. March 20011460631

1773Metro to Every HomeUral Championship 2010306631

1974Similar TunesUral Championship 2013137631


1174Weird PermutationsRomanian Online Contest December 2001561634

1830Help in the RNOSUral Championship 2011244635

1234BricksNEERC 2002571637

1465Pawn GamePetrozavodsk Winter 2006. USU Contest539637

1606SlalomUSU Personal Contest 2008433637

1088Ilya MurometzSpring School Contest 20011513640

1254Die HardUSU Local Contest. March 2003570641

1443RailsUral Championship 2006558646

1253NecrologuesUSU Local Contest. March 2003565647

1186Chemical ReactionsNEERC 2001551648

1248Sequence SumUSU Personal Contest 2003564648

1633HippogriffsUSU Championship 2008382656

1542AutocompletionUral Championship 2007475657

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

1564Counting OnesUSU Championship 2007443660

1996Cipher Message 3NEERC 2013 Eastern Subregional106665

1332Genie BomberAutumn School Contest 2004563669

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009316669

1875Angry BirdsUral Regional School Programming Contest 2011207669

1961Cantonese DialectUral FU Personal Contest 2013137669

1629TripUSU Championship 2008372673

1500Pass LicensesNEERC 2006 Eastern Subregional494675

1775Space BowlingUral SU Championship 2010258676

1772Ski-Trails for RobotsUral Championship 2010284678

1440Training ScheduleUral Championship 2006531679

1780Gray CodeUral SU Championship 2010255684

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest492686

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional251686

1034Queens in Peaceful PositionsUral Championship 19991573696

1301Cube in LabyrinthUral Championship 1998535697

1371Cargo AgencyUral Championship 2005. Round 1544701

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 20001518715

1168Radio StationsRomanian Online Contest December 2001495717

1738Computer SecurityUSU Championship 2009291717

1646Godzilla Strikes Back!Autumn School Contest 2008346718

1927Herbs and MagicUral Regional School Programming Contest 2012143718

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. 19991514726

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest404726

1825Ifrit Bomber 2USU Personal Contest 2011217728

1405Goat in the Garden 5Autumn School Contest 2005521731

1936RoshamboUral FU Championship 2012139733

1250Sea BurialUSU Local Contest. March 2003495737

1587Flying PigNEERC 2007 Eastern Subregional391739

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest451747

1132Square Root472749

1905Travel in TimeUral Championship 2012138751

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional52755

1512ZiniumTimus Top Coders: Third Challenge431757

1689Fisherman and BarbellUSU Personal Contest 2009309758

1716Alternative SolutionNEERC 2009 Eastern Subregional278758

1943Space RummyUral FU Personal Contest 2012163759

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest450760

1169PairsRomanian Online Contest December 2001465762

1921Chaos and OrderUral Regional School Programming Contest 2012134763

1424MinibusTimus Top Coders: First Challenge477765

1484Film RatingUSU Championship 2006438765

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

1379Cups TransportationUral Championship 2005. Round 1493772

1042Central HeatingUSU Championship 20001401774

1705Gangster HaresUral Championship 2009297776

1392Dreaming of Stars489779

1720Summit Online JudgeNEERC 2009 Eastern Subregional267788

1434Buses in VasyukiUSU Personal Contest 2006460789

1547Password SearchUral Championship 2007394789

1647Divide an Island!Autumn School Contest 2008313791

1030TitanicUral Championship 19991373797

1165SubnumberNEERC 2001 Northern Subregional444797

1824Ifrit BomberUSU Personal Contest 2011197799

1593Square Country. Version 2295802

1715Another Ball KillerNEERC 2009 Eastern Subregional262802

1983Nectar GatheringOpen Ural FU Championship 201387802

1456Jedi Riddle 2Timus Top Coders: Second Challenge441807

1630TalismanUSU Championship 2008306814

1608Lucky Tickets 2008Ural Championship 2008332815

1268Little ChuUSU Championship 2003449821

1269Obscene Words FilterUSU Championship 2003448822

1836Babel FishUral Championship 2011186823

1105Observers ColoringTetrahedron Team Online Contest May 2001423825

1761Binary PalindromeUSU Personal Contest 2010234829

1883Ent's BirthdayUral Regional School Programming Contest 2011164834

1154Mages ContestUral Championship 2001. Round 2421839

1147Shaping RegionsDSAP Vietnam Online Contest November 2001418844

1937Davy Jones’s OrganUral FU Championship 2012119847

1863Peaceful AtomUral FU Championship 2011161853

1323ClassmatesUral Championship 2004. Round 2434856

1498Stroke at Full SpeedAutumn School Contest 2006389856

1233Amusing NumbersNEERC 2002421858

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest370858

1006Square FramesUSU Championship 19971280860

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest161860

1976Game OptimizationUral Championship 201398860

1979Resources DistributionUral Championship 201398860

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest440863

1436BillboardUSU Personal Contest 2006420863

1013K-based Numbers. Version 348864

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest230864

1324Extra SpacesUral Championship 2004. Round 2429866

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest293869

1276TrainNEERC 2003 Central Subregional423871

1578Mammoth HuntAutumn School Contest 2007329880

1373Pictura ex MachinaUral Championship 2005. Round 1430883

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest225883

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest385885

1887Frequent Flyer CardNEERC 2011 Eastern Subregional152888

1245PicturesUSU Personal Contest 2003408889

1342EnterpriseUSU Championship 2004422893

1970皇后像廣場Ural FU Personal Contest 2013100894

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest257901

1879GOV-internship 2Ural Regional School Programming Contest 2011150903

1364LaraKillerUral Championship 2005. Round 2416908

1580Dean's DebtsAutumn School Contest 2007318909

1827Indigenous WarsUSU Personal Contest 2011172909

1277Cops and ThievesNEERC 2003 Central Subregional403913

1862Very Wealthy MoleUral FU Championship 2011149917

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional110921

1285Thread in a HyperspaceUSU Personal Contest 2004401923

1237Evacuation PlanNEERC 2002391924

1278“… Connecting People”NEERC 2003 Central Subregional397926

1575Yekaterinburg Subway 2Autumn School Contest 2007311929

1730ManBearPigUral Regional School Programming Contest 2009224930

1784RoundersUral SU Championship 2010184934

1907Coffee and BunsUral Championship 2012109934

1768Circular StringsUral Championship 2010203936

1422FirefliesTimus Top Coders: First Challenge384946

1175Strange SequenceUSU Personal Contest 2002372951

1985Prime SquareOpen Ural FU Championship 201371960

1569Networking the “Iset”USU Championship 2007301961

1151RadiobeaconsUral Championship 2001. Round 2366962

1722Observation DeckUral Regional School Programming Contest 2009214971

1040Airline CompanyUSU Championship 20001111974

1591Abstract ThinkingNEERC 2007 Eastern Subregional294975

1948The Robot on the LineUral FU Personal Contest 2012124979

1130Nikifor's WalkUSU Championship 2001358980

1331VladislavaAutumn School Contest 2004381981

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest346982

1451Beerhouse TaleTimus Top Coders: Second Challenge360983

1418Military StoryUSU Championship 2005383984

1398Bishop and Pawn327986

1435Financial ErrorUSU Personal Contest 2006364992

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010172992

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest238997

1339BabiesUSU Championship 20043731007

1311Stable ConstructionUral Championship 2004. Round 13671008

1570Eating HighUSU Championship 20072861010

1965Pear TreesUral FU Personal Contest 2013871013

1539Intelligence DataUSU Personal Contest 20073101015

1687Numismatics for FunUSU Personal Contest 20092281017

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1351019

1949The Best Picture in the GalaxyUral FU Personal Contest 20121181025

1790Searching for the TruthUral Regional School Programming Contest 20101661026

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2821029

1075Thread in a SpaceUSU Personal Contest 20019551030

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1901037

2017Best of a bad lotNEERC 2014 Eastern Subregional351040

1968Glass PyramidUral FU Personal Contest 2013841046

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1511056

1518Jedi Riddle 3Timus Top Coders: Third Challenge3031067

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1491070

2007Mutants versus MachinesUral Regional School Programming Contest 2013611085

1317HailUral Championship 2004. Round 23391089

1511Fiscal OperationsTimus Top Coders: Third Challenge2951095

1173Lazy SnailRomanian Online Contest December 20013201097

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1791097

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup711098

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2161104

1341DeviceUSU Championship 20043311131

1766Humpty DumptyUral Championship 20101661133

1627JoinPetrozavodsk Winter 2008. ITMO Contest2211139

1357Teakettle 1.0 for DummiesSpring School Contest 20053281142

1458War GamesTimus Top Coders: Second Challenge3081144

1807Cartridges for MaximNEERC 2010 Eastern Subregional1461148

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup671155

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3261156

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest1981156

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 Sequence1871177

1686Photovoltaic SpaceshipUSU Personal Contest 20091951180

1453QueenTimus Top Coders: Second Challenge2971185

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1741186

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1141186

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional831188

1307ArchiverUral Championship 2004. Round 13081195

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2411198

1657Cube SnakeNEERC 2008 Eastern Subregional2011208

1035Cross-stitchUral Championship 19998991209

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1381210

1359ConstructionSpring School Contest 20053091211

1487Chinese FootballUSU Championship 20062721215

1540Battle for the RingUSU Personal Contest 20072561220

1669Universal WordPetrozavodsk Winter 2008. USU Contest1941223

1736Chinese HockeyUSU Championship 20091661227

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

1546Japanese SortingUral Championship 20072401275

1533Fat HobbitsUSU Personal Contest 20072441278

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1951284

1177Like ComparisonsUSU Personal Contest 20022721288

1328FireballAutumn School Contest 20042871292

1065FrontierNEERC 20007761300

1097Square Country 2USU Local Contest. March 20017031300

1050Preparing an ArticleUSU Local Contest. March 20008191302

1171Lost in SpaceRomanian Online Contest December 20012661311

1281River BasinNEERC 2003 Central Subregional2731332

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup561348

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup561348

1240Heroes of Might and MagicNEERC 20022641350

1360Philosophical DisputeUral Championship 2005. Round 22751357

1099Work Scheduling6061363

1499KerchiefsAutumn School Contest 20062401367

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1401383

1770The Party of Ural ChampionsUral Championship 20101341385

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2251388

1908Brute-force SearchUral Championship 2012701389

1802Cube PuzzleNEERC 2010 Eastern Subregional1181399

1265MirrorUSU Championship 20032561416

1266Kirchhoff's LawUSU Championship 20032561416

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1101417

1318LogarithmUral Championship 2004. Round 22581418

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2201418

1449Credit Operations 2Timus Top Coders: Second Challenge2461421

1393Average Common Prefix2581429

1419Maps of the Island WorldsUSU Championship 20052591437

1299PsyloniansSpring School Contest 20042541438

1412Autumn TideUSU Championship 20052581442

1946Chinese Hockey 3Ural FU Personal Contest 2012811442

1947MeanderUral FU Personal Contest 2012811442

1886Trip 2NEERC 2011 Eastern Subregional891453

1764TranssibUral Championship 20101271456

1347BlogSpring School Contest 20052551457

1345HTMLUSU Championship 20042541461

1762Search for a Hiding-PlaceUSU Personal Contest 20101281466

1441From the History of Gringotts BankUral Championship 20062401469

1043Cover an ArcUSU Championship 20007331470

1170DesertRomanian Online Contest December 20012341483

1565The Duel for ThreeUSU Championship 20071901495

1782Jack's New WordUral SU Championship 20101101510

1251Cemetery ManagerUSU Local Contest. March 20032361512

1831Tsyfirkin's LessonUral Championship 2011961521

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

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1511535

1241Inlay CuttersNEERC 20022311537

1568Train Car SortingUSU Championship 20071811565

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2091572

1734Endgame DatabaseUSU Championship 20091271576

1337BureaucracyAutumn School Contest 20042331579

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1211583

1670AsteriskPetrozavodsk Summer 2008. USU Contest1451595

1950Martian FarmlandsUral FU Personal Contest 2012721600

1583CheeseNEERC 2007 Eastern Subregional1741612

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest811617

1485Football and LieUSU Championship 20062011624

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

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2261646

1516NostalgiaTimus Top Coders: Third Challenge1921653

1894Non-Flying WeatherNEERC 2011 Eastern Subregional771653

1488ACM PokerUSU Championship 20061961663

1702CrossroadUral Championship 20091331666

1969Hong Kong TramUral FU Personal Contest 2013491666

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest781672

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional561674

1062TriathlonNEERC 20005991677

1610CactusesUral Championship 20081561680

1420Integer-Valued Complex DivisionUSU Championship 20052191688

1841CablewaysPetrozavodsk Summer 2010. USU Contest771698

1508Japanese PuzzleNEERC 2006 Eastern Subregional1901700

1615Tram SolitaireUral Championship 20081531711

1046Geometrical DreamsUSU Local Contest. March 20006191716

1839The MentaculusUral Championship 2011841716

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest761717

1257HyphenationAutumn School Contest 20032081727

1338AutomobilesUSU Championship 20042131730

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20011981737

1707Hypnotoad's SecretUral Championship 20091271739

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1771744

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest871753

1781Clean CodeUral SU Championship 2010931759

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1881766

1514National ParkTimus Top Coders: Third Challenge1791767

1492Vasya's Dad 2Autumn School Contest 20061831771

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1061788

1417Space Poker 2USU Championship 20052061789

1304ParallelepipedUral Championship 19982011800

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841809

1425Queen 2Timus Top Coders: First Challenge1961810

1977Energy WallUral Championship 2013411820

1378Artificial IntelligenceUral Championship 2005. Round 12031823

1093DartsUSU Local Contest. March 20014971828

1163ChapaevNEERC 2001 Northern Subregional1851855

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1221873

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1221873

1757Gold BarsUSU Personal Contest 2010981874

1532Lost in TranslationUSU Personal Contest 20071621887

1503PolynomialNEERC 2006 Eastern Subregional1691899

1634Spider MiteUSU Championship 20081251905

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1211905

1216Two Pawns and One KingUSU Championship 20021831912

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1471915

1703Robotic ArmUral Championship 20091141921

1187Statistical TroubleNEERC 20011791924

1455Freedom of SpeechTimus Top Coders: Second Challenge1791925

1867NanotechnologiesUral FU Championship 2011651944

1396Maximum. Version 21751954

1148Building TowersDSAP Vietnam Online Contest November 20011711996

1188LibraryNEERC 20011721998

1833Hopes of RowingUral Championship 2011702016

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1732017

1972Game TestingUral Championship 2013362018

1232Asteroid LandingNEERC 2002 Central Subregional1722028

1063Domino PuzzleNEERC 20004922033

1288AstrolocationUSU Personal Contest 20041762039

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1112043

1835Swamp DoctorUral Championship 2011682068

1267Yekaterinburg SubwayUSU Championship 20031722070

1549Another Japanese PuzzleUral Championship 20071432083

1092TransversalUSU Local Contest. March 20014342088

1541ChaseUSU Personal Contest 20071442108

1850Space TourismPetrozavodsk Summer 2010. USU Contest602110

1315MDPAR and MIIARUral Championship 2004. Round 11702112

1041NikiforUSU Championship 20005052120

1543Dance RevolutionUral Championship 20071402125

1504Good MannersNEERC 2006 Eastern Subregional1492138

1074Very Short ProblemUSU Personal Contest 20014542141

2006Kirill the GardenerUral Regional School Programming Contest 2013252169

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21662197

1882Old NokiaUral Regional School Programming Contest 2011562199

1652Banking CrisisNEERC 2008 Eastern Subregional1052216

1655Somali PiratesNEERC 2008 Eastern Subregional1052216

1397Points Game1452222

1256Cemetery GuardUSU Local Contest. March 20031572227

2022Riding a ToadNEERC 2014 Eastern Subregional112227

1270UnicubeUSU Championship 20031592229

1758Bald Spot Revisited 2USU Personal Contest 2010802249

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

1978E-LiteUral Championship 2013312264

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest992289

1481Winning ChancesUSU Championship 20061392299

1739FaryuksUSU Championship 2009832322

1829Routing TablesUSU Personal Contest 2011612329

1284Space PokerUSU Personal Contest 20041522341

1735Theft of the CenturyUSU Championship 2009822347

1865The Island of MärketUral FU Championship 2011522351

1895Steaks on BoardNEERC 2011 Eastern Subregional512357

1945Many-armed BrothersUral FU Personal Contest 2012452386

1717Eligibility RulesNEERC 2009 Eastern Subregional812398

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602429

1275Knights of the Round TableNEERC 2003 Central Subregional1452432

1704DemodulationUral Championship 2009872455

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional352455

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782480

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest492494

1300TaxesUral Championship 19981382566

1308Dean's PyramidUral Championship 2004. Round 11382568

1609Tram TileUral Championship 2008982582

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1062591

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472591

1454Rectangles 2Timus Top Coders: Second Challenge1302598

1312TrayUral Championship 2004. Round 11362604

1520Empire Strikes BackTimus Top Coders: Third Challenge1182609

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup242617

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup242617

1239Ghost BustersNEERC 20021312623

1975Model of the EarthUral Championship 2013252652

1938Caribbean TriangleUral FU Championship 2012312663

1597Chernobyl’ Eagle on a Roof. Version 292694

1694Killer WordsPetrozavodsk Winter 2009. USU Contest772764

1856War and PeacePetrozavodsk Summer 2011. USU Contest432776

1505Oil TransferNEERC 2006 Eastern Subregional1122787

1566Triangular PostcardsUSU Championship 2007972794

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest792803

1681Brother Bear's GardenUSU Personal Contest 2009762813

1637Triangle Game 2USU Championship 2008812826

1858Magic CubePetrozavodsk Summer 2011. USU Contest422829

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest742862

1957MundialPetrozavodsk Winter 2013. Kontur Cup212870

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest622880

1482Triangle GameUSU Championship 20061082903

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional282908

2016Magic and ScienceNEERC 2014 Eastern Subregional62923

1909Space ReconUral Championship 2012282925

1834Tennis RacketUral Championship 2011452932

1999The secret moduleNEERC 2013 Eastern Subregional162968

141140 Islands KnightsUSU Championship 20051202973

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest703005

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463037

1442Floo PowderUral Championship 20061103060

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1023073

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest453092

1395Pascal vs. C++. Version 21073103

1367Top SecretUral Championship 2005. Round 21143119

1622EndspielPetrozavodsk Winter 2008. ITMO Contest743133

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373142

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest723210

1438Time Limit ExceededUSU Personal Contest 20061053226

1058ChocolateNEERC 2000 Central Subregional3183277

1616Square Country 4Ural Championship 2008753280

1166Funny Card GameNEERC 2001 Northern Subregional1033332

1429BiscuitsTimus Top Coders: First Challenge1003389

1464LightPetrozavodsk Winter 2006. USU Contest923427

1733Forgotten TechnologyUSU Championship 2009533428

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333435

1765Error 404Ural Championship 2010473498

1632LasersUSU Championship 2008633522

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1003532

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest753536

1466Magic SquarePetrozavodsk Winter 2006. USU Contest873604


1509Domino RecognitionNEERC 2006 Eastern Subregional823696

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup143707

1973Location GeneratorUral Championship 2013153713

1778Chinese Hockey 2Ural SU Championship 2010373856

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903885

1661DodecahedronPetrozavodsk Winter 2008. USU Contest533960

1598DSA Attack24083

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504158

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684182

1967Programmer CasinoUral FU Personal Contest 2013114206

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704303

1763Expert FleaUral Championship 2010364335

1271Sailing DirectionsUSU Championship 2003764380

1797Summit Online Judge. Version 2154516

1771A Deputy's MorningUral Championship 2010344532

1460WiresPetrozavodsk Winter 2006. USU Contest674540

1594Aztec Treasure414553

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest654589

1801The Revolution CupNEERC 2010 Eastern Subregional294593

1340CucarachaUSU Championship 2004734647

1344Gigantic TurnipUSU Championship 2004734647

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404809

1426RectanglesTimus Top Coders: First Challenge664905

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575137

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest655180

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest405264

1906The Lost CivilizationUral Championship 2012115292

1365Testing CalculatorUral Championship 2005. Round 2625371

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest175448

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest605550

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest375600

1372Death StarUral Championship 2005. Round 1575797

1848Fly HuntPetrozavodsk Summer 2010. USU Contest155908

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316085

1842Local RootsPetrozavodsk Summer 2010. USU Contest146154

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446374

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296534

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest286566

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276681

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest156802

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest286926

1363HalftonesUral Championship 2005. Round 2447161

1548Sakura and StatisticsUral Championship 2007347244

1653Death ConveyorNEERC 2008 Eastern Subregional257281

1596Knight Mare77724

1536Delights of Pipe-weedUSU Personal Contest 2007317918

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup18084

1432Twofold LuckUSU Personal Contest 2006348431

1840Victim of AdvertisingUral Championship 201188960

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199075

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179156

1376Dean's Pyramid 2Ural Championship 2005. Round 1329247

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest229393

1415Mobile LifeUSU Championship 20052810168

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310454

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1310748

1374MisereUral Championship 2005. Round 12311769

1708Sum of Digits 2Ural Championship 20091011906

1399Economical Director1612765

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2012949

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2012949

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313069

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314181

1369Cockroach RaceUral Championship 2005. Round 21316813

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1118498

1589SokobanNEERC 2007 Eastern Subregional322808

1394Ships. Version 2232374