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Problem set


1000A+B Problem6398519

1001Reverse Root1778919

1785Lost in LocalizationUral Regional School Programming Contest 2010973919

1293EniyaSpring School Contest 20041664823

1877Bicycle CodesUral Regional School Programming Contest 2011659723

1409Two GangstersAutumn School Contest 20051595625

1820Ural SteaksUSU Personal Contest 2011624828

1787Turn for MEGAUral Regional School Programming Contest 2010615831

1264WorkdaysAutumn School Contest 20031183932

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011478232

1197Lonesome KnightSpring School Contest 20021107533

2001Mathematicians and BerriesUral Regional School Programming Contest 2013261133

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional345634

1639Chocolate 2Autumn School Contest 2008701037

2012About Grisha N.NEERC 2014 Eastern Subregional150337

1924Four ImpsUral Regional School Programming Contest 2012312138

1313Some Words about SportUral Championship 2004. Round 1893643


12091, 10, 100, 1000...Autumn School Contest 2002836145

1319HotelUral Championship 2004. Round 2835546

1567SMS-spamUSU Championship 2007671246

1581TeamworkAutumn School Contest 2007653147

1225FlagsNEERC 2002 Central Subregional750550

1263ElectionsAutumn School Contest 2003759250

1585PenguinsNEERC 2007 Eastern Subregional596351

1876Centipede's MorningUral Regional School Programming Contest 2011292552

1881Long problem statementUral Regional School Programming Contest 2011293452

1991The battle near the swampNEERC 2013 Eastern Subregional162353

1100Final StandingsTetrahedron Team Online Contest May 2001673454

1327FusesAutumn School Contest 2004703755

1893A380NEERC 2011 Eastern Subregional277955

1110PowerBulgarian Online Contest September 2001632758

1243Divorce of the Seven DwarfsUSU Personal Contest 2003651858

1493One Step from HappinessAutumn School Contest 2006599458

2023Donald is a postmanNEERC 2014 Eastern Subregional96558

1349FarmSpring School Contest 2005662259

1607TaxiUSU Personal Contest 2008475061

1925British Scientists Save the WorldUral Regional School Programming Contest 2012195461

1545HieroglyphsUral Championship 2007527062

1496SpammerAutumn School Contest 2006555563

1636Penalty TimeUSU Championship 2008416663

1149Sinus Dances550867

1196History ExamSpring School Contest 2002555167

1837Isenbaev's NumberUral Championship 2011252467

2005Taxi for ProgrammersUral Regional School Programming Contest 2013125767

1617Flat SpotsUral Championship 2008419768

1723Sandro's BookUral Regional School Programming Contest 2009328768

1654Cipher MessageNEERC 2008 Eastern Subregional377469

1563BayanUSU Championship 2007437570

1131CopyingUSU Championship 2001515371

2002Test TaskUral Regional School Programming Contest 2013119171

1457Heating MainTimus Top Coders: Second Challenge512972

1025Democracy in DangerAutumn School Contest 20001550073

1792Hamming CodeUral Regional School Programming Contest 2010257773

1224SpiralNEERC 2002 Central Subregional508374

1935Tears of DrownedUral FU Championship 2012158474

2011Long StatementUral Regional School Programming Contest 2013113874

1712Cipher GrilleNEERC 2009 Eastern Subregional295676

1083Factorials!!!Spring School Contest 20011274078

2035Another Dress RehearsalUral Regional School Programming Contest 201469578

1502Domino DotsNEERC 2006 Eastern Subregional422282

1194HandshakesSpring School Contest 2002444383

1638BookwormUSU Championship 2008313184

1902Neo-VeniceUral Championship 2012141784

1139City BlocksNEERC 2001 Central Subregional432385

1106Two TeamsTetrahedron Team Online Contest May 2001422286

1120Sum of Sequential NumbersAutumn School Contest 2001423986

1290SabotageSpring School Contest 2004446386

1404Easy to Hack!Autumn School Contest 2005454787

1180Stone GameUSU Personal Contest 2002408590

1796Amusement ParkUral Regional School Programming Contest 2010205491

1601AntiCAPSUSU Personal Contest 2008309493

1786Sandro's BiographyUral Regional School Programming Contest 2010201593

2031Overturned NumbersUral Regional School Programming Contest 201458493

1161StripiesNEERC 2001 Northern Subregional390794

16421D MazeAutumn School Contest 2008277594

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201389994

1510OrderNEERC 2006 Eastern Subregional364695

1119MetroAutumn School Contest 2001381196

1731DillUral Regional School Programming Contest 2009233596

1005Stone PileUSU Championship 19971168497

1644A Whole Lot of WalnutsAutumn School Contest 2008269897

1009K-based NumbersUSU Championship 19971152998

1297PalindromeSpring School Contest 2004392498

1446Sorting HatUral Championship 2006378399

1873GOV ChroniclesUral Regional School Programming Contest 20111515100

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013576101

1146Maximum SumDSAP Vietnam Online Contest November 20013594102

1370MagicianUral Championship 2005. Round 23827102

1214Strange ProcedureAutumn School Contest 20023643103

1777AnindilyakwaUral SU Championship 20101826103

1228ArrayNEERC 2002 Central Subregional3603104

2033DevicesUral Regional School Programming Contest 2014520104

1020RopeAutumn School Contest 200010416108

1136ParliamentNEERC 2001 Central Subregional3379108

1118Nontrivial NumbersAutumn School Contest 20013342109

1573AlchemyAutumn School Contest 20072794109

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional507109

1014Product of DigitsUSU Local Contest. 199910218110

1082Gaby IvanushkaSpring School Contest 20018847112

1203Scientific ConferenceUSU Local Contest. March 20023309112

1330IntervalsAutumn School Contest 20043484112

2000Grand Theft Array VUral Regional School Programming Contest 2013743113

2025Line FightingUral Regional School Programming Contest 2014480113

1296HyperjumpSpring School Contest 20043387114

1192Ball in a DreamSpring School Contest 20023200115

1044Lucky Tickets. Easy!USU Championship 20009541116

1079MaximumWinter Mathematical Festival Varna 20018642116

1582BookmakersNEERC 2007 Eastern Subregional2610116

1226esreveR redrONEERC 2002 Central Subregional3165118

1711Code NamesNEERC 2009 Eastern Subregional1899118

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023051121

1219Symbolic SequenceUSU Championship 20023085121

1868Prediction ContestUral FU Championship 20111256121

1126Magnetic StormsUSU Championship 20013000122

1086CryptographySpring School Contest 20017855126

1123SalaryAutumn School Contest 20012909126

1683FridgeUSU Personal Contest 20091964126

1931Excellent TeamUral FU Championship 2012915127

1688Team.GOV!USU Personal Contest 20091935128

1353Milliard Vasya's FunctionSpring School Contest 20053040129

1984Dummy GuyOpen Ural FU Championship 2013664129

1964Chinese DialectsUral FU Personal Contest 2013738130

1336Problem of Ben BetsalelAutumn School Contest 20042965131

1283DwarfUSU Personal Contest 20042914132

1725Sold Out!Ural Regional School Programming Contest 20091701132

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101409133

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional641133

1022Genealogical TreeAutumn School Contest 20008324135

1260Nudnik PhotographerAutumn School Contest 20032827135

1021Sacrament of the SumAutumn School Contest 20008176137

1352Mersenne PrimesSpring School Contest 20052829138

1740Deer is Better!USU Championship 20091610138

1864Get-Together at Den'sUral FU Championship 20111094139

1222Chernobyl’ EaglesUSU Championship 20022648141

1026Questions and AnswersAutumn School Contest 20007909142

1612Tram ForumUral Championship 20082002142

1142RelationsDSAP Vietnam Online Contest November 20012566143

1821BiathlonUSU Personal Contest 20111209143

1982Electrification PlanOpen Ural FU Championship 2013600143

1402CocktailsAutumn School Contest 20052738144

1576Telephone TariffsAutumn School Contest 20072086146

1084Goat in the GardenSpring School Contest 20016628150

1878Rubinchik's CubeUral Regional School Programming Contest 20111011150

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional781151

2018The Debut AlbumNEERC 2014 Eastern Subregional361152

1178Akbardin’s RoadsUSU Personal Contest 20022400153

1756One and a Half DiggersUSU Personal Contest 20101368153

1572Yekaterinozavodsk Great WellAutumn School Contest 20071950156

1306Sequence MedianUral Championship 19982418159

1944Record of the Attack at the OrbitUral FU Personal Contest 2012688161

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional728162

1210Kind SpiritsAutumn School Contest 20022290163

1874Football GoalUral Regional School Programming Contest 2011929163

1073Square CountryUSU Personal Contest 20016166164

1135RecruitsNEERC 2001 Central Subregional2225164

1157Young TilerUral Championship 2001. Round 22218165

1295Crazy NotionsSpring School Contest 20042331165

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101137165

1017StaircasesUSU Local Contest. 19996774166

1167Bicolored HorsesRomanian Online Contest December 20012205166

1769Old Ural LegendUral Championship 20101230167

1506Columns of NumbersNEERC 2006 Eastern Subregional2050168

1709Penguin-AviaUral Championship 20091454168

1800Murphy's LawNEERC 2010 Eastern Subregional1103168

1869New Year CruiseUral FU Championship 2011908168

1213Cockroaches!Autumn School Contest 20022194170

1012K-based Numbers. Version 26584171

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091308171

1280Topological SortingNEERC 2003 Central Subregional2190174

1789Searching for the DodecahedronUral Regional School Programming Contest 20101077174

1640Circle of WinterAutumn School Contest 20081497175

1685OrthographyUSU Personal Contest 20091411176

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional310176

1413Mars JumperUSU Championship 20052197178

1354Palindrome. Again PalindromeSpring School Contest 20052178179

1048Superlong SumsUSU Local Contest. March 20006080180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1440181

1193Queue at the ExamSpring School Contest 20022021182

1335White ThesisAutumn School Contest 20042136182

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional300182

1134CardsNEERC 2001 Central Subregional1995183

1272Non-Yekaterinburg SubwayUSU Championship 20032087183

1613For Fans of StatisticsUral Championship 20081544184

1930Ivan's CarUral Regional School Programming Contest 2012630186

1102Strange DialogTetrahedron Team Online Contest May 20011937187

1164FillwordNEERC 2001 Northern Subregional1959187

1586Threeprime NumbersNEERC 2007 Eastern Subregional1611187

1645Ski RaceAutumn School Contest 20081387188

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1332190

1846GCD 2010Petrozavodsk Summer 2010. USU Contest812190

1114BoxesBulgarian Online Contest September 20011894192

1885Passenger ComfortNEERC 2011 Eastern Subregional786192

1208Legendary Teams ContestUSU Local Contest. March 20021906193

1138Integer PercentageNEERC 2001 Central Subregional1856197

1207Median on the PlaneUSU Local Contest. March 20021874197

1023ButtonsAutumn School Contest 20005674198

1133Fibonacci SequenceNEERC 2001 Central Subregional1849198

1680The First NonqualifyingUSU Personal Contest 20091247199

1112CoverBulgarian Online Contest September 20011818200

1423String TaleTimus Top Coders: First Challenge1843205

1249Ancient NecropolisUSU Local Contest. March 20031795210

1002Phone NumbersCentral European Olympiad in Informatics 19995359211

1348Goat in the Garden 2Spring School Contest 20051832213

1737Mnemonics and Palindromes 3USU Championship 20091041213

1922Superhero TeamUral Regional School Programming Contest 2012549213

1998The old PadawanNEERC 2013 Eastern Subregional397213

1152False MirrorsUral Championship 2001. Round 21711214

1200Horns and HoofsUSU Local Contest. March 20021717214

1515CashmasterTimus Top Coders: Third Challenge1567216

2024Adventure TimeUral Regional School Programming Contest 2014246216

2003Simple MagicUral Regional School Programming Contest 2013382218

1011ConductorsUSU Championship 19975137219

1052Rabbit HuntUSU Local Contest. March 20005005219

1889Airport AnnouncementsNEERC 2011 Eastern Subregional686219

1987Nested SegmentsOpen Ural FU Championship 2013388219

1491Unreal StoryAutumn School Contest 20061547224

1125HopscotchUSU Championship 20011620225

1490Fire CircleAutumn School Contest 20061530226

1981Parallel and PerpendicularOpen Ural FU Championship 2013374227

1033LabyrinthUral Championship 19994910228

1024PermutationsAutumn School Contest 20004883230

1183Brackets SequenceNEERC 20011585232

1795Husband in a ShopUral Regional School Programming Contest 2010799233

2021Scarily interesting!NEERC 2014 Eastern Subregional232233

1049Brave BalloonistsUSU Local Contest. March 20004693234

1333Genie Bomber 2Autumn School Contest 20041657234

1494MonobilliardsAutumn School Contest 20061454238

1826MinefieldUSU Personal Contest 2011717239

1150Page NumbersUral Championship 2001. Round 21524240

1122GameAutumn School Contest 20011513241

1635Mnemonics and PalindromesUSU Championship 20081087241

1191Catch the thief!Spring School Contest 20021522242

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1601245

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012475245

1108HeritageBulgarian Online Contest September 20011477246

1247Check a SequenceUSU Personal Contest 20031523247

1355Bald Spot RevisitedSpring School Contest 20051579247

1113JeepBulgarian Online Contest September 20011465248

1779The Great TeamUral SU Championship 2010753248

1204IdempotentsUSU Local Contest. March 20021476249

1603EruditeUSU Personal Contest 20081152249

1205By the Underground or by Foot?USU Local Contest. March 20021473250

1242WerewolfUSU Personal Contest 20031501250

1718RejudgeNEERC 2009 Eastern Subregional893250

1010Discrete FunctionUSTU PhysTech Cup 20004498251

1933Guns for Battle!Ural FU Championship 2012456252

1433DiamondsUSU Personal Contest 20061474254

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013912255

1298KnightSpring School Contest 20041486258

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1282258

1823Ideal GasUSU Personal Contest 2011661259

1195Ouths and CrossesSpring School Contest 20021400262

1726VisitsUral Regional School Programming Contest 2009843264

1080Map ColoringWinter Mathematical Festival Varna 20013745267

1087The Time to Take StonesSpring School Contest 20013708267

1303Minimal CoverageUral Championship 19981436267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031400268

1028StarsUral Championship 19994150270

1047Simple CalculationsUSU Local Contest. March 20004070270

1109ConferenceBulgarian Online Contest September 20011345270

1179Numbers in TextUSU Personal Contest 20021333275

1220StacksUSU Championship 20021357275

1989SubpalindromesOpen Ural FU Championship 2013306276

1117HierarchyAutumn School Contest 20011311278

1658Sum of DigitsNEERC 2008 Eastern Subregional923281

1904The Lessons of the PastUral Championship 2012414283

1537EntsUSU Personal Contest 20071158284

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional648285

1032Find a MultipleUral Championship 19993418286

1053PinocchioNEERC 2000 Central Subregional3825286

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1215286

1590Bacon’s CipherNEERC 2007 Eastern Subregional1051286

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional291287

1244GentlemenUSU Personal Contest 20031302288

1684Jack's Last WordUSU Personal Contest 2009857288

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest735289

1211Collective GuaranteeAutumn School Contest 20021274292

1497Cutting a SquareAutumn School Contest 20061184292

1741Communication FiendUSU Championship 2009756292

1941Scary Martian WordUral FU Personal Contest 2012376292

1018Binary Apple TreeUSU Local Contest. 19993821294

1184Cable MasterNEERC 20011248294

1551Sumo TournamentUral Championship 20071086297

1753BookshelfUSU Personal Contest 2010691300

1377Lara CroftUral Championship 2005. Round 11303301

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1155301

1501Sense of BeautyNEERC 2006 Eastern Subregional1139302

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014171305

1793Tray 2Ural Regional School Programming Contest 2010608306

1215Exactness of Projectile HitAutumn School Contest 20021210307

1116Piecewise Constant FunctionAutumn School Contest 20011175309

1995Illegal spicesNEERC 2013 Eastern Subregional269310

1127Colored BricksUSU Championship 20011167312

1992CVSNEERC 2013 Eastern Subregional267312

1036Lucky Tickets3579313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest676314

1121BranchesAutumn School Contest 20011147317

1934Black SpotUral FU Championship 2012361317

1190Bar of ChocolateSpring School Contest 20021152318

1008Image EncodingUSTU PhysTech Cup 20003532319

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest768319

1901Space ElevatorsUral Championship 2012363322

1153SupercomputerUral Championship 2001. Round 21129323

1294Mars SatellitesSpring School Contest 20041184323

1302Delta-waveUral Championship 19981173326

1588JamaicaNEERC 2007 Eastern Subregional918327

1029MinistryUral Championship 19992974329

1124MosaicUSU Championship 20011106329

1648YachtsAutumn School Contest 2008789329

1060Flip GameNEERC 20003120333

2026Dean and ScheduleUral Regional School Programming Contest 2014155335

1604Country of FoolsUSU Personal Contest 2008850337

1137Bus RoutesNEERC 2001 Central Subregional1076338

1923Scary PoliticsUral Regional School Programming Contest 2012342338

1963KiteUral FU Personal Contest 2013279338

1201Which Day Is It?USU Local Contest. March 20021078340

1227Rally ChampionshipNEERC 2002 Central Subregional1094340

1185WallNEERC 20011071342

1031Railway TicketsUral Championship 19993248344

1406Next NumberAutumn School Contest 20051136344

1320Graph DecompositionUral Championship 2004. Round 21111345

1828Approximation by a ProgressionUSU Personal Contest 2011489348

1223Chernobyl’ Eagle on a RoofUSU Championship 20021067349

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest437349

1140Swamp IncidentNEERC 2001 Central Subregional1038351

1483Table FootballUSU Championship 2006981352

1090In the Army NowUSU Local Contest. March 20012657354

1262Pseudo-Roman NumberAutumn School Contest 20031067355

1521War Games 2Timus Top Coders: Third Challenge950355

1007Code WordsUSU Championship 19973159357

1759Long-LiversUSU Personal Contest 2010579357

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional148357

2034CaravansUral Regional School Programming Contest 2014144359

1218Episode N-th: The Jedi TournamentUSU Championship 20021034360

1783Nuclear Arms RaceUral SU Championship 2010517360

1160NetworkNEERC 2001 Northern Subregional1032361

1450Russian PipelinesTimus Top Coders: Second Challenge1012362

1517Freedom of ChoiceTimus Top Coders: Third Challenge931362

1282Game TreeNEERC 2003 Central Subregional1045363

1055CombinationsNEERC 2000 Central Subregional3007364

1261TipsAutumn School Contest 20031041364

1292Mars Space StationsSpring School Contest 20041050364

1156Two RoundsUral Championship 2001. Round 2995366

1574Mathematicians and bracketsAutumn School Contest 2007825366

1631Drunk King 2USU Championship 2008709368

1431DiplomasUSU Personal Contest 20061012369

1246Tethered DogUSU Personal Contest 20031011370

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional402370

1403CourierAutumn School Contest 20051052372

1651Shortest SubchainNEERC 2008 Eastern Subregional693373

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014138373

1346Intervals of MonotonicityUSU Championship 20041032376

1942Attack at the OrbitUral FU Personal Contest 2012289377

1078SegmentsWinter Mathematical Festival Varna 20012639378

1860FiborialPetrozavodsk Summer 2011. USU Contest402378

1229Strong BrickworkNEERC 2002 Central Subregional981379

1039Anniversary PartyUSU Championship 20002915380

1562GM-pineappleUSU Championship 2007789383

1259How to Become Star?Autumn School Contest 2003986384

1774Barber of the Army of MagesUral SU Championship 2010484384

1003ParityCentral European Olympiad in Informatics 19992915387

1015Test the Difference!USU Local Contest. 19992903387

1489Points on a ParallelepipedAutumn School Contest 2006888388

1115ShipsBulgarian Online Contest September 2001926391

1176HyperchannelsUSU Personal Contest 2002936391

1279WarehouseNEERC 2003 Central Subregional966393

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest643394

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest833395

1094E-screenUSU Local Contest. March 20012377396

1407One-two, One-twoAutumn School Contest 2005985397

1217Unlucky TicketsUSU Championship 2002932398

1427SMSTimus Top Coders: First Challenge941399

1111SquaresBulgarian Online Contest September 2001904401

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional288401

1971Graphics SettingsUral Championship 2013224401

1289One Way TicketUSU Personal Contest 2004950402

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest526402

1732Ministry of TruthUSU Championship 2009544404

1356Something EasierSpring School Contest 2005960405

1038Spell CheckerUSU Championship 20002727406

1141RSA Attack890408

1571InterpretersUSU Championship 2007739409

1107Warehouse ProblemTetrahedron Team Online Contest May 2001877410

1287Mars CanalsUSU Personal Contest 2004931410

1350CanteenSpring School Contest 2005940413

1480CouponsUSU Championship 2006836413

1495One-two, One-two 2Autumn School Contest 2006833413

1602ElevatorUSU Personal Contest 2008687415

1089Verification with a VocabularySpring School Contest 20012367418

1077Travelling Tours865419

1700AwakeningUral Championship 2009574421

1128Partition into GroupsUSU Championship 2001858423

1013K-based Numbers. Version 3131424

1202Rectangles TravelUSU Local Contest. March 2002862425

1513Lemon TaleTimus Top Coders: Third Challenge791425

1181Cutting a Painted PolygonUSU Personal Contest 2002856427

1776Anniversary FireworkUral SU Championship 2010434427

1507Difficult DecisionNEERC 2006 Eastern Subregional798429

1019Line PaintingUSU Local Contest. 19992606431

1291Gear-wheelsSpring School Contest 2004886431

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional424432

1252Sorting the TombstonesUSU Local Contest. March 2003861434

1641DutiesAutumn School Contest 2008597434

1890Money out of Thin AirNEERC 2011 Eastern Subregional338438

2030Awesome Backup SystemUral Regional School Programming Contest 2014116439

2009Canteen LineUral Regional School Programming Contest 2013184440

1221Malevich Strikes Back!USU Championship 2002840442

1519Formula 1Timus Top Coders: Third Challenge761442

2004Scientists from SpilkovoUral Regional School Programming Contest 2013183442

1051Simple Game on a GridUSU Local Contest. March 20002473443

1416ConfidentialUSU Championship 2005871446

1643Attack of the Dark FortressAutumn School Contest 2008573451

1728Curse on Team.GOVUral Regional School Programming Contest 2009490451

1129Door PaintingUSU Championship 2001803452

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001803452

1258PoolAutumn School Contest 2003831455

1410CrackUSU Championship 2005848458

1980Road to InvestorUral Championship 2013195458

1072RoutingUSU Personal Contest 20012186461

1189Pairs of IntegersNEERC 2001792461

1535The Hobbit or There and Back AgainUSU Personal Contest 2007699468

1871Seismic WavesUral FU Championship 2011318469

1162Currency ExchangeNEERC 2001 Northern Subregional772471

1900Brainwashing DeviceUral Championship 2012245471

1091Tmutarakan ExamsUSU Local Contest. March 20011990472

1870Zinium 2Ural FU Championship 2011316472

1428Jedi RiddleTimus Top Coders: First Challenge788475

1525PathPetrozavodsk Winter 2007. D.Gozman Contest687478

1236Decoding TaskNEERC 2002775479

1343Fairy TaleUSU Championship 2004806480

1628White StreaksUSU Championship 2008541480

1884Way to the UniversityUral Regional School Programming Contest 2011309480

1891Language OceanNEERC 2011 Eastern Subregional308480

1928Another Ecology ProblemUral Regional School Programming Contest 2012237481

1990PodracingNEERC 2013 Eastern Subregional169483


1729Dead Man's ChestUral Regional School Programming Contest 2009454486

1095Nikifor 3USU Local Contest. March 20011930487

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional452490

1155TroubleduonsUral Championship 2001. Round 2739491

1579Coat TransportationAutumn School Contest 2007612491

1754Explosion in a PyramidUSU Personal Contest 2010419491

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional105491

1066GarlandNEERC 20002101493

1273TieUSU Championship 2003767493

1212BattleshipAutumn School Contest 2002749494

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest98495

1401GamersAutumn School Contest 2005784497

1103Pencils and CirclesTetrahedron Team Online Contest May 2001720498

1329Galactic HistoryAutumn School Contest 2004770500

1966Cycling RoadsUral FU Personal Contest 2013185501

1838Samurai's StrokeUral Championship 2011328502

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014100503

1430Crime and PunishmentTimus Top Coders: First Challenge742504

1056Computer NetNEERC 2000 Central Subregional2158506

1326Bottle TapsUral Championship 2004. Round 2754506

1962In Chinese RestaurantUral FU Personal Contest 2013183506

1182Team Them Up!NEERC 2001720507

1316Electronic AuctionUral Championship 2004. Round 1749509

1158Censored!NEERC 2001 Northern Subregional706514

1322SpyUral Championship 2004. Round 2737517

1238FoldingNEERC 2002717518

1803The Czechs' RiflesNEERC 2010 Eastern Subregional350521

1334CheckersAutumn School Contest 2004735523

1939First SealUral FU Championship 2012215523

1366PresentsUral Championship 2005. Round 2738525

1069Prufer CodeUSU Personal Contest 20011914526

1577E-mailAutumn School Contest 2007570526

1045Funny GameUSU Local Contest. March 20002067530

1143Electric PathDSAP Vietnam Online Contest November 2001684530

1994The Emperor's planNEERC 2013 Eastern Subregional153531

1806Mobile TelegraphsNEERC 2010 Eastern Subregional341534

1400Cellular CharactersAutumn School Contest 2005723538

1439Battle with You-Know-WhoUral Championship 2006684538

1600AirportUSU Personal Contest 2008526540

1866Poetic FootUral FU Championship 2011275540

1314Chase in SubwayUral Championship 2004. Round 1704541

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 201492542

1027D++ AgainAutumn School Contest 20002063543

1101Robot in the FieldTetrahedron Team Online Contest May 2001658544

1710Boris, You Are Wrong!Ural Championship 2009438549

1892Morning in KoltsovoNEERC 2011 Eastern Subregional268549

1414Astronomical DatabaseUSU Championship 2005704550

1064Binary SearchNEERC 20001879551

1903Unidentified ShipsUral Championship 2012208551

1767The House of Doctor DeeUral Championship 2010365553

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional205556

1605Devil's SequenceUSU Personal Contest 2008510557

1085MeetingSpring School Contest 20011765559

1061Buffer ManagerNEERC 20001848560

1550Dean's Pyramid 3Ural Championship 2007572560

1004Sightseeing TripCentral European Olympiad in Informatics 19991999563

1071Nikifor 2USU Personal Contest 20011788563

1713Key SubstringsNEERC 2009 Eastern Subregional391564

1059ExpressionNEERC 2000 Central Subregional1925567


1351Good Gnusmas – Dead GnusmasSpring School Contest 2005681568

1698Square Country 5Petrozavodsk Winter 2009. USU Contest427568

1701Ostap and PartnersUral Championship 2009423568

1362Classmates 2Ural Championship 2005. Round 2681569

1650BillionairesNEERC 2008 Eastern Subregional450570

1822Hugo II's WarUSU Personal Contest 2011295570

2008SwiftyUral Regional School Programming Contest 2013139573

1437Gasoline StationUSU Personal Contest 2006646575

1534Football in GondorUSU Personal Contest 2007565577

1932The Secret of IdentifierUral FU Championship 2012194577

1448Lighting in HogwartsUral Championship 2006636578

1760Infernal WorkUSU Personal Contest 2010353580

1070Local TimeUSU Personal Contest 20011727583

1445Christmas giftsUral Championship 2006631583

1592Chinese WatchesNEERC 2007 Eastern Subregional511583

1659Regular TrianglesNEERC 2008 Eastern Subregional440583

1940Not So Simple YearsUral FU Championship 2012191585

1421Credit OperationsTimus Top Coders: First Challenge637586

1682Crazy ProfessorUSU Personal Contest 2009416586

1172Ship RoutesRomanian Online Contest December 2001616588

1375Bill CleversUral Championship 2005. Round 1660589

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest447592

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest509593

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest509593

1690Army of MagesPetrozavodsk Winter 2009. USU Contest408594

1706Cipher Message 2Ural Championship 2009401598

1054Hanoi TowerNEERC 2000 Central Subregional1821599

1943Space RummyUral FU Personal Contest 2012176605

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest247606

1067Disk TreeNEERC 20001685613

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012184613

1358CablesSpring School Contest 2005629614

1961Cantonese DialectUral FU Personal Contest 2013149614

1974Similar TunesUral Championship 2013143614

1325DirtUral Championship 2004. Round 2612621

1309DisputeUral Championship 2004. Round 1611622

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup147626


1465Pawn GamePetrozavodsk Winter 2006. USU Contest554632

1096Get the Right Route Plate!USU Local Contest. March 20011475636

1832Arirang ShowUral Championship 2011257636

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional178636

1755CakeUSU Personal Contest 2010320638

1872Spacious OfficeUral FU Championship 2011231638

1234BricksNEERC 2002578640

1986Paul’s SaladsOpen Ural FU Championship 2013126641

1174Weird PermutationsRomanian Online Contest December 2001563643

1088Ilya MurometzSpring School Contest 20011528646

1606SlalomUSU Personal Contest 2008438646

1248Sequence SumUSU Personal Contest 2003574647

1254Die HardUSU Local Contest. March 2003573649

1773Metro to Every HomeUral Championship 2010310649

1253NecrologuesUSU Local Contest. March 2003572650

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009334655

1186Chemical ReactionsNEERC 2001554656

1443RailsUral Championship 2006559657

1830Help in the RNOSUral Championship 2011248658

1452Pascal vs. C++Timus Top Coders: Second Challenge552659

1542AutocompletionUral Championship 2007484659

1988Planet Ocean LandingOpen Ural FU Championship 2013122660

1633HippogriffsUSU Championship 2008390662

1564Counting OnesUSU Championship 2007449667

1875Angry BirdsUral Regional School Programming Contest 2011217675

1332Genie BomberAutumn School Contest 2004567676

1500Pass LicensesNEERC 2006 Eastern Subregional499681

1371Cargo AgencyUral Championship 2005. Round 1564687

1440Training ScheduleUral Championship 2006533688

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest499689

1629TripUSU Championship 2008373691

1772Ski-Trails for RobotsUral Championship 2010289694

1486Equal SquaresUSU Championship 2006489700

1034Queens in Peaceful PositionsUral Championship 19991589702

1301Cube in LabyrinthUral Championship 1998539703

1775Space BowlingUral SU Championship 2010259705

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional256705

1230Introspective ProgramNEERC 2002 Central Subregional522706

1286Starship TravelUSU Personal Contest 2004536706

2017Best of a bad lotNEERC 2014 Eastern Subregional70706

1274Fractional ArithmeticNEERC 2003 Central Subregional532707

1780Gray CodeUral SU Championship 2010258707

1996Cipher Message 3NEERC 2013 Eastern Subregional111715

1168Radio StationsRomanian Online Contest December 2001503718

1037Memory ManagementUSU Championship 20001537719

1611DecimationUral Championship 2008386723

1057Amount of DegreesNEERC 2000 Central Subregional1501726

1305Convex HullUral Championship 1998520728

1927Herbs and MagicUral Regional School Programming Contest 2012153729

1016Cube on the WalkUSU Local Contest. 19991530731

1235Cricket FieldNEERC 2002505731

1405Goat in the Garden 5Autumn School Contest 2005530731

1159FenceNEERC 2001 Northern Subregional492734

1646Godzilla Strikes Back!Autumn School Contest 2008348735

1614National Project “Trams”Ural Championship 2008378737

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest407738

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup123739

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest463742

1132Square Root484744

1738Computer SecurityUSU Championship 2009291744

1250Sea BurialUSU Local Contest. March 2003498745

1587Flying PigNEERC 2007 Eastern Subregional394752

1936RoshamboUral FU Championship 2012146754

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest462755

1905Travel in TimeUral Championship 2012149756

1512ZiniumTimus Top Coders: Third Challenge439759

1825Ifrit Bomber 2USU Personal Contest 2011218762

1716Alternative SolutionNEERC 2009 Eastern Subregional286764

1424MinibusTimus Top Coders: First Challenge485766

1484Film RatingUSU Championship 2006446766

1169PairsRomanian Online Contest December 2001468771

1042Central HeatingUSU Championship 20001427774

1689Fisherman and BarbellUSU Personal Contest 2009310780

1720Summit Online JudgeNEERC 2009 Eastern Subregional280780

1434Buses in VasyukiUSU Personal Contest 2006473781

1392Dreaming of Stars494783

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest217786

1705Gangster HaresUral Championship 2009301791

1547Password SearchUral Championship 2007398798

1948The Robot on the LineUral FU Personal Contest 2012131798

1030TitanicUral Championship 19991395799

1165SubnumberNEERC 2001 Northern Subregional449802

1647Divide an Island!Autumn School Contest 2008317805

1276TrainNEERC 2003 Central Subregional465807

1593Square Country. Version 2302808

1715Another Ball KillerNEERC 2009 Eastern Subregional270808

1921Chaos and OrderUral Regional School Programming Contest 2012137809

1456Jedi Riddle 2Timus Top Coders: Second Challenge447810

1979Resources DistributionUral Championship 2013105816

1268Little ChuUSU Championship 2003458818

1824Ifrit BomberUSU Personal Contest 2011202820

1105Observers ColoringTetrahedron Team Online Contest May 2001431825

1269Obscene Words FilterUSU Championship 2003454825

1970皇后像廣場Ural FU Personal Contest 2013108827

1630TalismanUSU Championship 2008308832

1379Cups TransportationUral Championship 2005. Round 1462836

1608Lucky Tickets 2008Ural Championship 2008332837

1883Ent's BirthdayUral Regional School Programming Contest 2011173837

1976Game OptimizationUral Championship 2013102838

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest460840

1863Peaceful AtomUral FU Championship 2011173840

1147Shaping RegionsDSAP Vietnam Online Contest November 2001426843

1836Babel FishUral Championship 2011191845

1949The Best Picture in the GalaxyUral FU Personal Contest 2012123846

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest53849

1154Mages ContestUral Championship 2001. Round 2423850

1983Nectar GatheringOpen Ural FU Championship 201392854

1006Square FramesUSU Championship 19971308857

1761Binary PalindromeUSU Personal Contest 2010235859

1498Stroke at Full SpeedAutumn School Contest 2006394862

1436BillboardUSU Personal Contest 2006427863

1323ClassmatesUral Championship 2004. Round 2437865

1233Amusing NumbersNEERC 2002423869

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest372872

1324Extra SpacesUral Championship 2004. Round 2431876

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest236876

1578Mammoth HuntAutumn School Contest 2007337880

1937Davy Jones’s OrganUral FU Championship 2012123884

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest295887

1342EnterpriseUSU Championship 2004430891

1373Pictura ex MachinaUral Championship 2005. Round 1432893

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest164895

1277Cops and ThievesNEERC 2003 Central Subregional417898

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest230898

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest386899

1245PicturesUSU Personal Contest 2003410900

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest263909

1580Dean's DebtsAutumn School Contest 2007324914

1364LaraKillerUral Championship 2005. Round 2418918

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest48923

1575Yekaterinburg Subway 2Autumn School Contest 2007320925

1278“… Connecting People”NEERC 2003 Central Subregional403928

1887Frequent Flyer CardNEERC 2011 Eastern Subregional154930

1285Thread in a HyperspaceUSU Personal Contest 2004404931

1237Evacuation PlanNEERC 2002394933

1879GOV-internship 2Ural Regional School Programming Contest 2011154934

1730ManBearPigUral Regional School Programming Contest 2009230939

1827Indigenous WarsUSU Personal Contest 2011174945

1907Coffee and BunsUral Championship 2012117946

1784RoundersUral SU Championship 2010190948

1862Very Wealthy MoleUral FU Championship 2011152949

1422FirefliesTimus Top Coders: First Challenge389950

1768Circular StringsUral Championship 2010206961

1175Strange SequenceUSU Personal Contest 2002374963

1398Bishop and Pawn342963

1569Networking the “Iset”USU Championship 2007305972

1451Beerhouse TaleTimus Top Coders: Second Challenge370974

1040Airline CompanyUSU Championship 20001131975

1965Pear TreesUral FU Personal Contest 201390976

1418Military StoryUSU Championship 2005392977

1151RadiobeaconsUral Championship 2001. Round 2366979

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional112980

1591Abstract ThinkingNEERC 2007 Eastern Subregional298986

1130Nikifor's WalkUSU Championship 2001361989

1331VladislavaAutumn School Contest 2004384989

2007Mutants versus MachinesUral Regional School Programming Contest 201376992

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest300993

1722Observation DeckUral Regional School Programming Contest 2009217993

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest347998

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2441003

1435Financial ErrorUSU Personal Contest 20063661004

1968Glass PyramidUral FU Personal Contest 2013871006

1339BabiesUSU Championship 20043791008

1985Prime SquareOpen Ural FU Championship 2013761013

1311Stable ConstructionUral Championship 2004. Round 13701017

1518Jedi Riddle 3Timus Top Coders: Third Challenge3231023

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101741026

1570Eating HighUSU Championship 20072881027

1539Intelligence DataUSU Personal Contest 20073121030

1687Numismatics for FunUSU Personal Contest 20092311036

1075Thread in a SpaceUSU Personal Contest 20019651038

1790Searching for the TruthUral Regional School Programming Contest 20101701049

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest411049

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1381056

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1931061

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1541088

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1531095

1317HailUral Championship 2004. Round 23421098

1511Fiscal OperationsTimus Top Coders: Third Challenge3001099

1173Lazy SnailRomanian Online Contest December 20013221109

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1831116

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2191123

1341DeviceUSU Championship 20043361133

1627JoinPetrozavodsk Winter 2008. ITMO Contest2271142

1766Humpty DumptyUral Championship 20101711147

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3331151

1357Teakettle 1.0 for DummiesSpring School Contest 20053291158

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2041160

1458War GamesTimus Top Coders: Second Challenge3091161

1544Classmates 3Ural Championship 20072701163

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup741169

1447Portkey NetworkUral Championship 20063081175

1408Polynomial MultiplicationAutumn School Contest 20053251178

1444ElephpotamusUral Championship 20063071179

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871181

1947MeanderUral FU Personal Contest 2012851185

1807Cartridges for MaximNEERC 2010 Eastern Subregional1481187

1453QueenTimus Top Coders: Second Challenge3001194

1686Photovoltaic SpaceshipUSU Personal Contest 20091991194

1946Chinese Hockey 3Ural FU Personal Contest 2012841198

1540Battle for the RingUSU Personal Contest 20072661201

1595Perfect Sequence1891204

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1191208

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771210

1307ArchiverUral Championship 2004. Round 13091211

1035Cross-stitchUral Championship 19999111216

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2431216

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2391220

1736Chinese HockeyUSU Championship 20091731224

1359ConstructionSpring School Contest 20053101226

1657Cube SnakeNEERC 2008 Eastern Subregional2041226

1310ACM DiagnosticsUral Championship 2004. Round 13041231

1669Universal WordPetrozavodsk Winter 2008. USU Contest1971242

1487Chinese FootballUSU Championship 20062711243

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional861245

1321Floor IndicatorUral Championship 2004. Round 22981255

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391258

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2721263

1538Towers of GuardUSU Personal Contest 20072521265

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2531266

1546Japanese SortingUral Championship 20072471267

1533Fat HobbitsUSU Personal Contest 20072461295

1050Preparing an ArticleUSU Local Contest. March 20008371298

1328FireballAutumn School Contest 20042901300

1177Like ComparisonsUSU Personal Contest 20022741302

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971308

1950Martian FarmlandsUral FU Personal Contest 2012761309

1065FrontierNEERC 20007831312

1097Square Country 2USU Local Contest. March 20017071317

1171Lost in SpaceRomanian Online Contest December 20012661335

1360Philosophical DisputeUral Championship 2005. Round 22841336

1281River BasinNEERC 2003 Central Subregional2761340

1099Work Scheduling6271342

1240Heroes of Might and MagicNEERC 20022671358

1393Average Common Prefix2761361

1499KerchiefsAutumn School Contest 20062441372

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2321376

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1451390

1419Maps of the Island WorldsUSU Championship 20052671418

1318LogarithmUral Championship 2004. Round 22621421

1770The Party of Ural ChampionsUral Championship 20101361422

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2241423

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup591423

1266Kirchhoff's LawUSU Championship 20032591424

1265MirrorUSU Championship 20032581429

1299PsyloniansSpring School Contest 20042601429

1802Cube PuzzleNEERC 2010 Eastern Subregional1211431

1449Credit Operations 2Timus Top Coders: Second Challenge2481435

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup581444

1908Brute-force SearchUral Championship 2012731448

1412Autumn TideUSU Championship 20052611449

1345HTMLUSU Championship 20042601452

1347BlogSpring School Contest 20052601453

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1121463

1441From the History of Gringotts BankUral Championship 20062451465

1043Cover an ArcUSU Championship 20007461471

1764TranssibUral Championship 20101301483

1170DesertRomanian Online Contest December 20012371491

1251Cemetery ManagerUSU Local Contest. March 20032411507

1894Non-Flying WeatherNEERC 2011 Eastern Subregional911510

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2221512

1565The Duel for ThreeUSU Championship 20071911523

1762Search for a Hiding-PlaceUSU Personal Contest 20101281525

1886Trip 2NEERC 2011 Eastern Subregional901525

1241Inlay CuttersNEERC 20022351538

1568Train Car SortingUSU Championship 20071861562

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1531564

1782Jack's New WordUral SU Championship 20101111566

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2131573

1337BureaucracyAutumn School Contest 20042351591

1969Hong Kong TramUral FU Personal Contest 2013511600

1831Tsyfirkin's LessonUral Championship 2011961602

1670AsteriskPetrozavodsk Summer 2008. USU Contest1491603

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest871606

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1241608

1485Football and LieUSU Championship 20062071610

2022Riding a ToadNEERC 2014 Eastern Subregional251613

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2341618

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest231621

1734Endgame DatabaseUSU Championship 20091281623

1583CheeseNEERC 2007 Eastern Subregional1771624

1707Hypnotoad's SecretUral Championship 20091401639

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2301644

1488ACM PokerUSU Championship 20062021647

1062TriathlonNEERC 20006161662

1516NostalgiaTimus Top Coders: Third Challenge1951662

1702CrossroadUral Championship 20091361684

1841CablewaysPetrozavodsk Summer 2010. USU Contest821700

1420Integer-Valued Complex DivisionUSU Championship 20052201708

1046Geometrical DreamsUSU Local Contest. March 20006331710

1610CactusesUral Championship 20081571713

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921716

1338AutomobilesUSU Championship 20042171727

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest801731

1257HyphenationAutumn School Contest 20032111732

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional591732

1615Tram SolitaireUral Championship 20081541745

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012001751

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791757

1977Energy WallUral Championship 2013431771

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1781772

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1901781

1839The MentaculusUral Championship 2011851787

1514National ParkTimus Top Coders: Third Challenge1801793

1492Vasya's Dad 2Autumn School Contest 20061841796

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest891803

1417Space Poker 2USU Championship 20052071810

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1091810

1304ParallelepipedUral Championship 19982031813

1425Queen 2Timus Top Coders: First Challenge1981823

1378Artificial IntelligenceUral Championship 2005. Round 12061827

1093DartsUSU Local Contest. March 20015031840

1781Clean CodeUral SU Championship 2010931840

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1541876

1163ChapaevNEERC 2001 Northern Subregional1861878

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841899

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1241902

1945Many-armed BrothersUral FU Personal Contest 2012491908

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1231916

1216Two Pawns and One KingUSU Championship 20021851925

1532Lost in TranslationUSU Personal Contest 20071621927

1634Spider MiteUSU Championship 20081271932

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231933

1503PolynomialNEERC 2006 Eastern Subregional1691937

1455Freedom of SpeechTimus Top Coders: Second Challenge1801948

1757Gold BarsUSU Personal Contest 2010981949

1972Game TestingUral Championship 2013381956

1187Statistical TroubleNEERC 20011791959

1703Robotic ArmUral Championship 20091151967

1396Maximum. Version 21751989

1148Building TowersDSAP Vietnam Online Contest November 20011732009

1833Hopes of RowingUral Championship 2011742021

1188LibraryNEERC 20011732023

1867NanotechnologiesUral FU Championship 2011662024

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1752030

1063Domino PuzzleNEERC 20005012035

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1152039

1267Yekaterinburg SubwayUSU Championship 20031772048

1288AstrolocationUSU Personal Contest 20041772062

1232Asteroid LandingNEERC 2002 Central Subregional1722063

1315MDPAR and MIIARUral Championship 2004. Round 11752089

1041NikiforUSU Championship 20005222091

1549Another Japanese PuzzleUral Championship 20071452101

1092TransversalUSU Local Contest. March 20014382107

1541ChaseUSU Personal Contest 20071472111

1543Dance RevolutionUral Championship 20071442115

1074Very Short ProblemUSU Personal Contest 20014622144

1835Swamp DoctorUral Championship 2011692149

1652Banking CrisisNEERC 2008 Eastern Subregional1122151

1504Good MannersNEERC 2006 Eastern Subregional1512153

1397Points Game1522167

1850Space TourismPetrozavodsk Summer 2010. USU Contest622172

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21702183

1978E-LiteUral Championship 2013332184

1655Somali PiratesNEERC 2008 Eastern Subregional1082224

1270UnicubeUSU Championship 20031612240

2006Kirill the GardenerUral Regional School Programming Contest 2013282245

1256Cemetery GuardUSU Local Contest. March 20031582252

1882Old NokiaUral Regional School Programming Contest 2011582252

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1042255

1758Bald Spot Revisited 2USU Personal Contest 2010832263

1368Goat in the Garden 3Ural Championship 2005. Round 21632271

1481Winning ChancesUSU Championship 20061432283

1284Space PokerUSU Personal Contest 20041572309

1895Steaks on BoardNEERC 2011 Eastern Subregional552346

1829Routing TablesUSU Personal Contest 2011632381

1739FaryuksUSU Championship 2009842382

1865The Island of MärketUral FU Championship 2011542403

1717Eligibility RulesNEERC 2009 Eastern Subregional832432

1735Theft of the CenturyUSU Championship 2009822434

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional392439

1275Knights of the Round TableNEERC 2003 Central Subregional1452473

1704DemodulationUral Championship 2009882509

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest612514

1975Model of the EarthUral Championship 2013272538

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional792541

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest512554

1300TaxesUral Championship 19981402574

1609Tram TileUral Championship 20081012578

1308Dean's PyramidUral Championship 2004. Round 11392593

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1082608

1454Rectangles 2Timus Top Coders: Second Challenge1312626

1312TrayUral Championship 2004. Round 11372629

1520Empire Strikes BackTimus Top Coders: Third Challenge1192641

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest492650

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup272655

1239Ghost BustersNEERC 20021312668

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest102675

1505Oil TransferNEERC 2006 Eastern Subregional1162752

1566Triangular PostcardsUSU Championship 20071012758

1856War and PeacePetrozavodsk Summer 2011. USU Contest462782

1858Magic CubePetrozavodsk Summer 2011. USU Contest462782

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1162785

1938Caribbean TriangleUral FU Championship 2012322800

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup252806

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest92816

1694Killer WordsPetrozavodsk Winter 2009. USU Contest782820

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest782820

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812825

1637Triangle Game 2USU Championship 2008822877

1597Chernobyl’ Eagle on a Roof. Version 2112897

1681Brother Bear's GardenUSU Personal Contest 2009762903

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest642911

1482Triangle GameUSU Championship 20061092935

141140 Islands KnightsUSU Championship 20051232953

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest82973

1442Floo PowderUral Championship 20061152989

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest723026

1957MundialPetrozavodsk Winter 2013. Kontur Cup223069

1834Tennis RacketUral Championship 2011453087

1367Top SecretUral Championship 2005. Round 21173094

1622EndspielPetrozavodsk Winter 2008. ITMO Contest773111

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest473131

2016Magic and ScienceNEERC 2014 Eastern Subregional83136

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional283145

1395Pascal vs. C++. Version 21073158

1909Space ReconUral Championship 2012283162

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest753184

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463187

1058ChocolateNEERC 2000 Central Subregional3303220

1438Time Limit ExceededUSU Personal Contest 20061073225

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373326

1999The secret moduleNEERC 2013 Eastern Subregional163328

1464LightPetrozavodsk Winter 2006. USU Contest963360

1616Square Country 4Ural Championship 2008753366

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup193387

1166Funny Card GameNEERC 2001 Northern Subregional1033388

1429BiscuitsTimus Top Coders: First Challenge1013416

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1043462

1466Magic SquarePetrozavodsk Winter 2006. USU Contest913527

1733Forgotten TechnologyUSU Championship 2009533554

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest53567

1632LasersUSU Championship 2008643577

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763578

1765Error 404Ural Championship 2010483578

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333636


1509Domino RecognitionNEERC 2006 Eastern Subregional833728

1973Location GeneratorUral Championship 2013153756

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest43821

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest913908

1778Chinese Hockey 2Ural SU Championship 2010383949

1967Programmer CasinoUral FU Personal Contest 2013144066

1661DodecahedronPetrozavodsk Winter 2008. USU Contest534081

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest514215

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest694216

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704386

1271Sailing DirectionsUSU Championship 2003774403

1594Aztec Treasure444444

1598DSA Attack34512

1763Expert FleaUral Championship 2010364512

1771A Deputy's MorningUral Championship 2010364512

1344Gigantic TurnipUSU Championship 2004764558

1460WiresPetrozavodsk Winter 2006. USU Contest684566

1340CucarachaUSU Championship 2004754611

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest664617

1797Summit Online Judge. Version 2164689

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest424772

1801The Revolution CupNEERC 2010 Eastern Subregional294807

1426RectanglesTimus Top Coders: First Challenge664989

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest665193

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575237

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415307

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest195371

1365Testing CalculatorUral Championship 2005. Round 2635382

1906The Lost CivilizationUral Championship 2012125462

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest395524

1372Death StarUral Championship 2005. Round 1615558

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest615559

1848Fly HuntPetrozavodsk Summer 2010. USU Contest166014

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest316271

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316271

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest186375

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446497

1842Local RootsPetrozavodsk Summer 2010. USU Contest146515

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest316601

1674Drunk KingPetrozavodsk Summer 2008. USU Contest286707

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296728

1363HalftonesUral Championship 2005. Round 2457144

1548Sakura and StatisticsUral Championship 2007357237

1653Death ConveyorNEERC 2008 Eastern Subregional267289

1536Delights of Pipe-weedUSU Personal Contest 2007337709

1596Knight Mare87785

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup28181

1432Twofold LuckUSU Personal Contest 2006348576

1840Victim of AdvertisingUral Championship 201198936

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest209022

1376Dean's Pyramid 2Ural Championship 2005. Round 1339177

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest239324

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179439

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1410619

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310789

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2511277

1415Mobile LifeUSU Championship 20052311897

1374MisereUral Championship 2005. Round 12311957

1399Economical Director1812096

1708Sum of Digits 2Ural Championship 20091012293

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1412820

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2013156

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1413876

1369Cockroach RaceUral Championship 2005. Round 21317084

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1217940

1589SokobanNEERC 2007 Eastern Subregional323358

1394Ships. Version 2330362