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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6280819

1001Reverse Root1731319

1785Lost in LocalizationUral Regional School Programming Contest 2010937620

1877Bicycle CodesUral Regional School Programming Contest 2011633023

1293EniyaSpring School Contest 20041624024

1409Two GangstersAutumn School Contest 20051558325

1820Ural SteaksUSU Personal Contest 2011602828

1787Turn for MEGAUral Regional School Programming Contest 2010595631

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011461432

1264WorkdaysAutumn School Contest 20031159833

1197Lonesome KnightSpring School Contest 20021086934

2001Mathematicians and BerriesUral Regional School Programming Contest 2013234134

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional329435

1639Chocolate 2Autumn School Contest 2008681938

1924Four ImpsUral Regional School Programming Contest 2012295638

1313Some Words about SportUral Championship 2004. Round 1876244

12091, 10, 100, 1000...Autumn School Contest 2002819845

1068Sum2254046

1567SMS-spamUSU Championship 2007655646

1319HotelUral Championship 2004. Round 2818847

1581TeamworkAutumn School Contest 2007636647

2012About Grisha N.NEERC 2014 Eastern Subregional107747

1225FlagsNEERC 2002 Central Subregional729851

1263ElectionsAutumn School Contest 2003742251

1585PenguinsNEERC 2007 Eastern Subregional579852

1881Long problem statementUral Regional School Programming Contest 2011284752

1876Centipede's MorningUral Regional School Programming Contest 2011280253

1100Final StandingsTetrahedron Team Online Contest May 2001661554

1893A380NEERC 2011 Eastern Subregional267355

1991The battle near the swampNEERC 2013 Eastern Subregional147255

1327FusesAutumn School Contest 2004689156

1110PowerBulgarian Online Contest September 2001623258

1243Divorce of the Seven DwarfsUSU Personal Contest 2003637659

1493One Step from HappinessAutumn School Contest 2006583659

1349FarmSpring School Contest 2005648360

1925British Scientists Save the WorldUral Regional School Programming Contest 2012185761

1545HieroglyphsUral Championship 2007515062

1607TaxiUSU Personal Contest 2008462862

1496SpammerAutumn School Contest 2006541864

1636Penalty TimeUSU Championship 2008406164

1149Sinus Dances539167

1196History ExamSpring School Contest 2002545367

1837Isenbaev's NumberUral Championship 2011244867

2005Taxi for ProgrammersUral Regional School Programming Contest 2013116768

1617Flat SpotsUral Championship 2008410669

1723Sandro's BookUral Regional School Programming Contest 2009319169

1654Cipher MessageNEERC 2008 Eastern Subregional367670

2023Donald is a postmanNEERC 2014 Eastern Subregional71770

1563BayanUSU Championship 2007424871

1131CopyingUSU Championship 2001506372

1457Heating MainTimus Top Coders: Second Challenge504772

2002Test TaskUral Regional School Programming Contest 2013109672

1025Democracy in DangerAutumn School Contest 20001528473

1792Hamming CodeUral Regional School Programming Contest 2010251773

1224SpiralNEERC 2002 Central Subregional501674

1935Tears of DrownedUral FU Championship 2012151974

2011Long StatementUral Regional School Programming Contest 2013107074

1712Cipher GrilleNEERC 2009 Eastern Subregional290176

1083Factorials!!!Spring School Contest 20011255678

1502Domino DotsNEERC 2006 Eastern Subregional414982

1194HandshakesSpring School Contest 2002438783

1902Neo-VeniceUral Championship 2012137083

1139City BlocksNEERC 2001 Central Subregional426885

1638BookwormUSU Championship 2008305885

1106Two TeamsTetrahedron Team Online Contest May 2001414587

1120Sum of Sequential NumbersAutumn School Contest 2001418687

1290SabotageSpring School Contest 2004438587

1404Easy to Hack!Autumn School Contest 2005448287

2035Another Dress RehearsalUral Regional School Programming Contest 201454889

1180Stone GameUSU Personal Contest 2002403291

1796Amusement ParkUral Regional School Programming Contest 2010201091

1786Sandro's BiographyUral Regional School Programming Contest 2010197493

1161StripiesNEERC 2001 Northern Subregional386694

1601AntiCAPSUSU Personal Contest 2008302894

16421D MazeAutumn School Contest 2008273494

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201384194

1510OrderNEERC 2006 Eastern Subregional358695

1005Stone PileUSU Championship 19971151797

1119MetroAutumn School Contest 2001372097

1644A Whole Lot of WalnutsAutumn School Contest 2008265797

1731DillUral Regional School Programming Contest 2009227897

1009K-based NumbersUSU Championship 19971138998

1297PalindromeSpring School Contest 2004384999

1446Sorting HatUral Championship 20063705100

1873GOV ChroniclesUral Regional School Programming Contest 20111469100

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013527102

1214Strange ProcedureAutumn School Contest 20023617102

1777AnindilyakwaUral SU Championship 20101802102

1370MagicianUral Championship 2005. Round 23787103

1146Maximum SumDSAP Vietnam Online Contest November 20013502104

1228ArrayNEERC 2002 Central Subregional3574104

2031Overturned NumbersUral Regional School Programming Contest 2014456107

1020RopeAutumn School Contest 200010271108

1136ParliamentNEERC 2001 Central Subregional3333109

1118Nontrivial NumbersAutumn School Contest 20013303110

1573AlchemyAutumn School Contest 20072737110

1014Product of DigitsUSU Local Contest. 199910074111

1082Gaby IvanushkaSpring School Contest 20018777112

1330IntervalsAutumn School Contest 20043450112

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional444112

1203Scientific ConferenceUSU Local Contest. March 20023237113

2000Grand Theft Array VUral Regional School Programming Contest 2013696113

1296HyperjumpSpring School Contest 20043337114

2033DevicesUral Regional School Programming Contest 2014428114

1582BookmakersNEERC 2007 Eastern Subregional2587115

1044Lucky Tickets. Easy!USU Championship 20009466116

1079MaximumWinter Mathematical Festival Varna 20018547116

1192Ball in a DreamSpring School Contest 20023160116

1226esreveR redrONEERC 2002 Central Subregional3138118

1711Code NamesNEERC 2009 Eastern Subregional1872118

2025Line FightingUral Regional School Programming Contest 2014413118

1868Prediction ContestUral FU Championship 20111241119

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023031121

1219Symbolic SequenceUSU Championship 20023044122

1126Magnetic StormsUSU Championship 20012955123

1683FridgeUSU Personal Contest 20091949125

1931Excellent TeamUral FU Championship 2012890125

1123SalaryAutumn School Contest 20012874126

1984Dummy GuyOpen Ural FU Championship 2013639126

1086CryptographySpring School Contest 20017745127

1688Team.GOV!USU Personal Contest 20091912128

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional620129

1353Milliard Vasya's FunctionSpring School Contest 20052984130

1964Chinese DialectsUral FU Personal Contest 2013703130

1336Problem of Ben BetsalelAutumn School Contest 20042943131

1725Sold Out!Ural Regional School Programming Contest 20091673131

1283DwarfUSU Personal Contest 20042881132

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101385132

1022Genealogical TreeAutumn School Contest 20008244135

1260Nudnik PhotographerAutumn School Contest 20032778136

1021Sacrament of the SumAutumn School Contest 20008095137

1740Deer is Better!USU Championship 20091593137

1352Mersenne PrimesSpring School Contest 20052805138

1864Get-Together at Den'sUral FU Championship 20111065139

1821BiathlonUSU Personal Contest 20111194140

1222Chernobyl’ EaglesUSU Championship 20022631141

1612Tram ForumUral Championship 20081984141

1026Questions and AnswersAutumn School Contest 20007841142

1142RelationsDSAP Vietnam Online Contest November 20012551142

1402CocktailsAutumn School Contest 20052721143

1576Telephone TariffsAutumn School Contest 20072065145

1982Electrification PlanOpen Ural FU Championship 2013552146

1878Rubinchik's CubeUral Regional School Programming Contest 2011999147

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional767147

1084Goat in the GardenSpring School Contest 20016557150

1756One and a Half DiggersUSU Personal Contest 20101354151

1178Akbardin’s RoadsUSU Personal Contest 20022384153

1572Yekaterinozavodsk Great WellAutumn School Contest 20071903158

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional714158

1306Sequence MedianUral Championship 19982376160

1944Record of the Attack at the OrbitUral FU Personal Contest 2012656161

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101125162

1874Football GoalUral Regional School Programming Contest 2011906162

1210Kind SpiritsAutumn School Contest 20022269163

1073Square CountryUSU Personal Contest 20016088164

1135RecruitsNEERC 2001 Central Subregional2208164

1157Young TilerUral Championship 2001. Round 22205165

1295Crazy NotionsSpring School Contest 20042308165

1769Old Ural LegendUral Championship 20101222165

1869New Year CruiseUral FU Championship 2011893165

1800Murphy's LawNEERC 2010 Eastern Subregional1090166

1017StaircasesUSU Local Contest. 19996674167

1167Bicolored HorsesRomanian Online Contest December 20012172167

1709Penguin-AviaUral Championship 20091437167

2018The Debut AlbumNEERC 2014 Eastern Subregional295167

1506Columns of NumbersNEERC 2006 Eastern Subregional2027168

1213Cockroaches!Autumn School Contest 20022179170

1012K-based Numbers. Version 26515171

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091283171

1789Searching for the DodecahedronUral Regional School Programming Contest 20101069171

1640Circle of WinterAutumn School Contest 20081481174

1685OrthographyUSU Personal Contest 20091402174

1280Topological SortingNEERC 2003 Central Subregional2162175

1413Mars JumperUSU Championship 20052184177

1048Superlong SumsUSU Local Contest. March 20006031180

1354Palindrome. Again PalindromeSpring School Contest 20052151180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1422180

1335White ThesisAutumn School Contest 20042119181

1193Queue at the ExamSpring School Contest 20022003182

1930Ivan's CarUral Regional School Programming Contest 2012614182

1134CardsNEERC 2001 Central Subregional1974183

1272Non-Yekaterinburg SubwayUSU Championship 20032039185

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional266185

1164FillwordNEERC 2001 Northern Subregional1950186

1613For Fans of StatisticsUral Championship 20081510186

1645Ski RaceAutumn School Contest 20081380186

1102Strange DialogTetrahedron Team Online Contest May 20011920187

1885Passenger ComfortNEERC 2011 Eastern Subregional773189

1586Threeprime NumbersNEERC 2007 Eastern Subregional1571190

1114BoxesBulgarian Online Contest September 20011875192

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1293192

1208Legendary Teams ContestUSU Local Contest. March 20021888193

1846GCD 2010Petrozavodsk Summer 2010. USU Contest775193

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional255193

1138Integer PercentageNEERC 2001 Central Subregional1841197

1207Median on the PlaneUSU Local Contest. March 20021856197

1023ButtonsAutumn School Contest 20005619198

1133Fibonacci SequenceNEERC 2001 Central Subregional1828198

1680The First NonqualifyingUSU Personal Contest 20091232198

1112CoverBulgarian Online Contest September 20011800200

1423String TaleTimus Top Coders: First Challenge1818205

1998The old PadawanNEERC 2013 Eastern Subregional385206

1249Ancient NecropolisUSU Local Contest. March 20031779209

1922Superhero TeamUral Regional School Programming Contest 2012535209

1002Phone NumbersCentral European Olympiad in Informatics 19995311210

1737Mnemonics and Palindromes 3USU Championship 20091031211

1200Horns and HoofsUSU Local Contest. March 20021708213

1348Goat in the Garden 2Spring School Contest 20051808214

1152False MirrorsUral Championship 2001. Round 21682215

1889Airport AnnouncementsNEERC 2011 Eastern Subregional673216

1515CashmasterTimus Top Coders: Third Challenge1539218

1011ConductorsUSU Championship 19975090219

1052Rabbit HuntUSU Local Contest. March 20004958219

2003Simple MagicUral Regional School Programming Contest 2013355219

1981Parallel and PerpendicularOpen Ural FU Championship 2013362220

1125HopscotchUSU Championship 20011608225

1491Unreal StoryAutumn School Contest 20061523225

1987Nested SegmentsOpen Ural FU Championship 2013352226

1033LabyrinthUral Championship 19994884227

1490Fire CircleAutumn School Contest 20061509227

2024Adventure TimeUral Regional School Programming Contest 2014210227

1024PermutationsAutumn School Contest 20004843230

1795Husband in a ShopUral Regional School Programming Contest 2010789231

1183Brackets SequenceNEERC 20011560233

1049Brave BalloonistsUSU Local Contest. March 20004651234

1333Genie Bomber 2Autumn School Contest 20041641234

1826MinefieldUSU Personal Contest 2011710235

1150Page NumbersUral Championship 2001. Round 21514239

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012466239

1122GameAutumn School Contest 20011501240

1191Catch the thief!Spring School Contest 20021518240

1635Mnemonics and PalindromesUSU Championship 20081069241

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1587245

1779The Great TeamUral SU Championship 2010746245

1108HeritageBulgarian Online Contest September 20011467246

1247Check a SequenceUSU Personal Contest 20031514246

1933Guns for Battle!Ural FU Championship 2012448246

1355Bald Spot RevisitedSpring School Contest 20051563247

1603EruditeUSU Personal Contest 20081146247

1718RejudgeNEERC 2009 Eastern Subregional886247

1113JeepBulgarian Online Contest September 20011451248

1204IdempotentsUSU Local Contest. March 20021465249

1205By the Underground or by Foot?USU Local Contest. March 20021464249

1010Discrete FunctionUSTU PhysTech Cup 20004454250

1242WerewolfUSU Personal Contest 20031487250

1433DiamondsUSU Personal Contest 20061465253

2021Scarily interesting!NEERC 2014 Eastern Subregional191254

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013868256

1298KnightSpring School Contest 20041482256

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1274256

1823Ideal GasUSU Personal Contest 2011651256

1494MonobilliardsAutumn School Contest 20061326258

1726VisitsUral Regional School Programming Contest 2009835262

1195Ouths and CrossesSpring School Contest 20021386263

1080Map ColoringWinter Mathematical Festival Varna 20013712266

1087The Time to Take StonesSpring School Contest 20013682266

1989SubpalindromesOpen Ural FU Championship 2013298266

1047Simple CalculationsUSU Local Contest. March 20004049268

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031387268

1303Minimal CoverageUral Championship 19981417268

1109ConferenceBulgarian Online Contest September 20011337269

1028StarsUral Championship 19994109270

1179Numbers in TextUSU Personal Contest 20021327274

1220StacksUSU Championship 20021349274

1904The Lessons of the PastUral Championship 2012409275

1117HierarchyAutumn School Contest 20011296278

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional643280

1537EntsUSU Personal Contest 20071153282

1658Sum of DigitsNEERC 2008 Eastern Subregional903283

1053PinocchioNEERC 2000 Central Subregional3811284

1032Find a MultipleUral Championship 19993384286

1684Jack's Last WordUSU Personal Contest 2009849286

1941Scary Martian WordUral FU Personal Contest 2012365287

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1196288

1244GentlemenUSU Personal Contest 20031284289

1590Bacon’s CipherNEERC 2007 Eastern Subregional1026289

1741Communication FiendUSU Championship 2009750289

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest721289

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional271289

1497Cutting a SquareAutumn School Contest 20061178290

1211Collective GuaranteeAutumn School Contest 20021266291

1018Binary Apple TreeUSU Local Contest. 19993798293

1184Cable MasterNEERC 20011239293

1551Sumo TournamentUral Championship 20071086294

1753BookshelfUSU Personal Contest 2010685296

1995Illegal spicesNEERC 2013 Eastern Subregional263298

1377Lara CroftUral Championship 2005. Round 11300299

1501Sense of BeautyNEERC 2006 Eastern Subregional1135300

1793Tray 2Ural Regional School Programming Contest 2010602301

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1128305

1215Exactness of Projectile HitAutumn School Contest 20021201307

1116Piecewise Constant FunctionAutumn School Contest 20011168308

1934Black SpotUral FU Championship 2012354309

1127Colored BricksUSU Championship 20011162310

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest669311

1036Lucky Tickets3539313

1901Space ElevatorsUral Championship 2012358313

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest767314

1121BranchesAutumn School Contest 20011141315

1008Image EncodingUSTU PhysTech Cup 20003513317

1190Bar of ChocolateSpring School Contest 20021145317

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014147318

1153SupercomputerUral Championship 2001. Round 21124321

1294Mars SatellitesSpring School Contest 20041179322

1302Delta-waveUral Championship 19981168325

1588JamaicaNEERC 2007 Eastern Subregional911325

1648YachtsAutumn School Contest 2008785326

1029MinistryUral Championship 19992951328

1124MosaicUSU Championship 20011097328

1923Scary PoliticsUral Regional School Programming Contest 2012337328

1963KiteUral FU Personal Contest 2013272328

1060Flip GameNEERC 20003109330

2026Dean and ScheduleUral Regional School Programming Contest 2014140332

1604Country of FoolsUSU Personal Contest 2008847333

1137Bus RoutesNEERC 2001 Central Subregional1071336

1227Rally ChampionshipNEERC 2002 Central Subregional1089338

1201Which Day Is It?USU Local Contest. March 20021073339

1828Approximation by a ProgressionUSU Personal Contest 2011487340

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest434340

1031Railway TicketsUral Championship 19993233342

1185WallNEERC 20011060343

1406Next NumberAutumn School Contest 20051132343

1320Graph DecompositionUral Championship 2004. Round 21103344

1223Chernobyl’ Eagle on a RoofUSU Championship 20021060347

1140Swamp IncidentNEERC 2001 Central Subregional1030350

1759Long-LiversUSU Personal Contest 2010577351

1483Table FootballUSU Championship 2006971352

1262Pseudo-Roman NumberAutumn School Contest 20031064353

1090In the Army NowUSU Local Contest. March 20012632354

1783Nuclear Arms RaceUral SU Championship 2010513354

1007Code WordsUSU Championship 19973138355

1218Episode N-th: The Jedi TournamentUSU Championship 20021028358

1992CVSNEERC 2013 Eastern Subregional216360

1160NetworkNEERC 2001 Northern Subregional1023361

1282Game TreeNEERC 2003 Central Subregional1043361

1292Mars Space StationsSpring School Contest 20041048361

1055CombinationsNEERC 2000 Central Subregional2992362

1521War Games 2Timus Top Coders: Third Challenge920362

1261TipsAutumn School Contest 20031035363

1631Drunk King 2USU Championship 2008707363

1450Russian PipelinesTimus Top Coders: Second Challenge997364

1156Two RoundsUral Championship 2001. Round 2988365

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional395365

1517Freedom of ChoiceTimus Top Coders: Third Challenge909367

1574Mathematicians and bracketsAutumn School Contest 2007811367

1942Attack at the OrbitUral FU Personal Contest 2012283367

1431DiplomasUSU Personal Contest 20061005368

1860FiborialPetrozavodsk Summer 2011. USU Contest400368

1246Tethered DogUSU Personal Contest 20031001370

1403CourierAutumn School Contest 20051047370

1651Shortest SubchainNEERC 2008 Eastern Subregional683373

1346Intervals of MonotonicityUSU Championship 20041025375

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014123375

1774Barber of the Army of MagesUral SU Championship 2010482376

1229Strong BrickworkNEERC 2002 Central Subregional976377

1078SegmentsWinter Mathematical Festival Varna 20012614378

2034CaravansUral Regional School Programming Contest 2014122378

1039Anniversary PartyUSU Championship 20002886380

1562GM-pineappleUSU Championship 2007785380

1259How to Become Star?Autumn School Contest 2003984381

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional123384

1015Test the Difference!USU Local Contest. 19992888385

1971Graphics SettingsUral Championship 2013220386

1003ParityCentral European Olympiad in Informatics 19992874388

1115ShipsBulgarian Online Contest September 2001922389

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional284389

1176HyperchannelsUSU Personal Contest 2002930390

1489Points on a ParallelepipedAutumn School Contest 2006873390

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest638390

1279WarehouseNEERC 2003 Central Subregional959392

1094E-screenUSU Local Contest. March 20012368393

1407One-two, One-twoAutumn School Contest 2005977396

1217Unlucky TicketsUSU Championship 2002926397

1732Ministry of TruthUSU Championship 2009540399

1289One Way TicketUSU Personal Contest 2004946400

1427SMSTimus Top Coders: First Challenge930400

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest517400

1111SquaresBulgarian Online Contest September 2001893402

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest809402

1571InterpretersUSU Championship 2007736405

1038Spell CheckerUSU Championship 20002705406

1356Something EasierSpring School Contest 2005949406

1107Warehouse ProblemTetrahedron Team Online Contest May 2001873408

1141RSA Attack882408

1287Mars CanalsUSU Personal Contest 2004927408

1480CouponsUSU Championship 2006835409

1602ElevatorUSU Personal Contest 2008686410

1495One-two, One-two 2Autumn School Contest 2006826412

1350CanteenSpring School Contest 2005932413

1700AwakeningUral Championship 2009572415

1089Verification with a VocabularySpring School Contest 20012352416

1776Anniversary FireworkUral SU Championship 2010429421

1202Rectangles TravelUSU Local Contest. March 2002860422

1128Partition into GroupsUSU Championship 2001850423

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional422423

1181Cutting a Painted PolygonUSU Personal Contest 2002854424

1513Lemon TaleTimus Top Coders: Third Challenge785424

1077Travelling Tours844425

1507Difficult DecisionNEERC 2006 Eastern Subregional796426

1019Line PaintingUSU Local Contest. 19992589429

1291Gear-wheelsSpring School Contest 2004881429

1252Sorting the TombstonesUSU Local Contest. March 2003859431

1641DutiesAutumn School Contest 2008588433

2009Canteen LineUral Regional School Programming Contest 2013175433

1890Money out of Thin AirNEERC 2011 Eastern Subregional330434

1221Malevich Strikes Back!USU Championship 2002838438

1980Road to InvestorUral Championship 2013191441

1051Simple Game on a GridUSU Local Contest. March 20002453442

1728Curse on Team.GOVUral Regional School Programming Contest 2009488444

1643Attack of the Dark FortressAutumn School Contest 2008569447

2004Scientists from SpilkovoUral Regional School Programming Contest 2013169447

1129Door PaintingUSU Championship 2001801448

1258PoolAutumn School Contest 2003829452

1416ConfidentialUSU Championship 2005852452

1519Formula 1Timus Top Coders: Third Challenge736452

2030Awesome Backup SystemUral Regional School Programming Contest 2014100453

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001792454

1410CrackUSU Championship 2005842457

1871Seismic WavesUral FU Championship 2011316457

1189Pairs of IntegersNEERC 2001791458

1072RoutingUSU Personal Contest 20012173459

1900Brainwashing DeviceUral Championship 2012241459

1535The Hobbit or There and Back AgainUSU Personal Contest 2007696464

1990PodracingNEERC 2013 Eastern Subregional165465

1884Way to the UniversityUral Regional School Programming Contest 2011308466

1870Zinium 2Ural FU Championship 2011309467

1162Currency ExchangeNEERC 2001 Northern Subregional768469

1428Jedi RiddleTimus Top Coders: First Challenge787471

1091Tmutarakan ExamsUSU Local Contest. March 20011968472

1891Language OceanNEERC 2011 Eastern Subregional303472

1928Another Ecology ProblemUral Regional School Programming Contest 2012231472

1525PathPetrozavodsk Winter 2007. D.Gozman Contest682476

1729Dead Man's ChestUral Regional School Programming Contest 2009454476

1236Decoding TaskNEERC 2002771477

1628White StreaksUSU Championship 2008535478

1754Explosion in a PyramidUSU Personal Contest 2010418481

1098Questions1843482

1343Fairy TaleUSU Championship 2004794483

1095Nikifor 3USU Local Contest. March 20011921484

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional444488

1155TroubleduonsUral Championship 2001. Round 2735489

1066GarlandNEERC 20002090490

1212BattleshipAutumn School Contest 2002748490

1273TieUSU Championship 2003763491

1838Samurai's StrokeUral Championship 2011326491

1579Coat TransportationAutumn School Contest 2007603492

1962In Chinese RestaurantUral FU Personal Contest 2013178492

1401GamersAutumn School Contest 2005783493

1103Pencils and CirclesTetrahedron Team Online Contest May 2001714497

1329Galactic HistoryAutumn School Contest 2004763500

1182Team Them Up!NEERC 2001718503

1056Computer NetNEERC 2000 Central Subregional2144504

1326Bottle TapsUral Championship 2004. Round 2750504

1430Crime and PunishmentTimus Top Coders: First Challenge735504

1939First SealUral FU Championship 2012213505

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional90510

1966Cycling RoadsUral FU Personal Contest 2013171511

1803The Czechs' RiflesNEERC 2010 Eastern Subregional347512

1158Censored!NEERC 2001 Northern Subregional700513

1316Electronic AuctionUral Championship 2004. Round 1737513

1322SpyUral Championship 2004. Round 2735514

1238FoldingNEERC 2002713516

1334CheckersAutumn School Contest 2004732521

1366PresentsUral Championship 2005. Round 2736522

1069Prufer CodeUSU Personal Contest 20011902524

1143Electric PathDSAP Vietnam Online Contest November 2001682526

1577E-mailAutumn School Contest 2007563526

1994The Emperor's planNEERC 2013 Eastern Subregional144528

1045Funny GameUSU Local Contest. March 20002041531

1806Mobile TelegraphsNEERC 2010 Eastern Subregional334531

1866Poetic FootUral FU Championship 2011270532

1600AirportUSU Personal Contest 2008523535

1892Morning in KoltsovoNEERC 2011 Eastern Subregional265537

1903Unidentified ShipsUral Championship 2012204538

1314Chase in SubwayUral Championship 2004. Round 1700539

1400Cellular CharactersAutumn School Contest 2005716539

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest79540

1027D++ AgainAutumn School Contest 20002048541

1439Battle with You-Know-WhoUral Championship 2006674541

1710Boris, You Are Wrong!Ural Championship 2009435543

1101Robot in the FieldTetrahedron Team Online Contest May 2001652544

1767The House of Doctor DeeUral Championship 2010363544

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional200545

1064Binary SearchNEERC 20001871548

1605Devil's SequenceUSU Personal Contest 2008510549

1414Astronomical DatabaseUSU Championship 2005695552

2028URCAPL, Episode 2Ural Regional School Programming Contest 201480554

1061Buffer ManagerNEERC 20001843556

1550Dean's Pyramid 3Ural Championship 2007569556

1085MeetingSpring School Contest 20011747559

1713Key SubstringsNEERC 2009 Eastern Subregional387559

1071Nikifor 2USU Personal Contest 20011779560

1004Sightseeing TripCentral European Olympiad in Informatics 19991987561

1701Ostap and PartnersUral Championship 2009420562

1822Hugo II's WarUSU Personal Contest 2011291562

1059ExpressionNEERC 2000 Central Subregional1919563

1932The Secret of IdentifierUral FU Championship 2012190563

2008SwiftyUral Regional School Programming Contest 2013132564

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005677566

1698Square Country 5Petrozavodsk Winter 2009. USU Contest421566

1940Not So Simple YearsUral FU Championship 2012189566

1650BillionairesNEERC 2008 Eastern Subregional445567

1198Jobbery677569

1437Gasoline StationUSU Personal Contest 2006642573

1760Infernal WorkUSU Personal Contest 2010349574

1362Classmates 2Ural Championship 2005. Round 2667575

1534Football in GondorUSU Personal Contest 2007559576

1445Christmas giftsUral Championship 2006631577

1070Local TimeUSU Personal Contest 20011721579

1448Lighting in HogwartsUral Championship 2006629579

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 201476580

1592Chinese WatchesNEERC 2007 Eastern Subregional506581

1659Regular TrianglesNEERC 2008 Eastern Subregional433583

1690Army of MagesPetrozavodsk Winter 2009. USU Contest408583

1172Ship RoutesRomanian Online Contest December 2001614584

1013K-based Numbers. Version 383585

1421Credit OperationsTimus Top Coders: First Challenge632585

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest444587

1682Crazy ProfessorUSU Personal Contest 2009408587

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest504591

1706Cipher Message 2Ural Championship 2009398592

1375Bill CleversUral Championship 2005. Round 1650593

1974Similar TunesUral Championship 2013139595

1054Hanoi TowerNEERC 2000 Central Subregional1812596

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012181596

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest243597

1943Space RummyUral FU Personal Contest 2012168604

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup144604

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest492605

1067Disk TreeNEERC 20001679609

1358CablesSpring School Contest 2005624613

1961Cantonese DialectUral FU Personal Contest 2013140616

1325DirtUral Championship 2004. Round 2609619

1832Arirang ShowUral Championship 2011256620

1986Paul’s SaladsOpen Ural FU Championship 2013122620

1309DisputeUral Championship 2004. Round 1607621

1872Spacious OfficeUral FU Championship 2011229623

1755CakeUSU Personal Contest 2010318628

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional172629

1076Trash1564633

1096Get the Right Route Plate!USU Local Contest. March 20011467633

1465Pawn GamePetrozavodsk Winter 2006. USU Contest545635

1234BricksNEERC 2002576636

1174Weird PermutationsRomanian Online Contest December 2001562638

1606SlalomUSU Personal Contest 2008437638

1773Metro to Every HomeUral Championship 2010307640

1988Planet Ocean LandingOpen Ural FU Championship 2013118640

1088Ilya MurometzSpring School Contest 20011519643

1254Die HardUSU Local Contest. March 2003573643

1253NecrologuesUSU Local Contest. March 2003569647

1830Help in the RNOSUral Championship 2011245647

1248Sequence SumUSU Personal Contest 2003567649

1186Chemical ReactionsNEERC 2001554650

1443RailsUral Championship 2006559650

1542AutocompletionUral Championship 2007482654

1875Angry BirdsUral Regional School Programming Contest 2011216656

1564Counting OnesUSU Championship 2007447661

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009324662

1633HippogriffsUSU Championship 2008383663

1452Pascal vs. C++Timus Top Coders: Second Challenge541665

1332Genie BomberAutumn School Contest 2004566671

1500Pass LicensesNEERC 2006 Eastern Subregional497676

1996Cipher Message 3NEERC 2013 Eastern Subregional110677

1629TripUSU Championship 2008373680

1440Training ScheduleUral Championship 2006533681

1772Ski-Trails for RobotsUral Championship 2010288681

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest498683

1775Space BowlingUral SU Championship 2010259687

1780Gray CodeUral SU Championship 2010257692

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional253695

1371Cargo AgencyUral Championship 2005. Round 1551697

1034Queens in Peaceful PositionsUral Championship 19991580698

1486Equal SquaresUSU Championship 2006485698

2017Best of a bad lotNEERC 2014 Eastern Subregional63699

1301Cube in LabyrinthUral Championship 1998536701

1274Fractional ArithmeticNEERC 2003 Central Subregional530703

1230Introspective ProgramNEERC 2002 Central Subregional518704

1286Starship TravelUSU Personal Contest 2004530707

1927Herbs and MagicUral Regional School Programming Contest 2012150711

1611DecimationUral Championship 2008385714

1168Radio StationsRomanian Online Contest December 2001500715

1037Memory ManagementUSU Championship 20001525717

1057Amount of DegreesNEERC 2000 Central Subregional1487725

1305Convex HullUral Championship 1998518725

1646Godzilla Strikes Back!Autumn School Contest 2008347725

1159FenceNEERC 2001 Northern Subregional492726

1235Cricket FieldNEERC 2002503726

1405Goat in the Garden 5Autumn School Contest 2005528727

1016Cube on the WalkUSU Local Contest. 19991522728

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest407728

1614National Project “Trams”Ural Championship 2008377729

1738Computer SecurityUSU Championship 2009291729

1250Sea BurialUSU Local Contest. March 2003497739

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest458742

1587Flying PigNEERC 2007 Eastern Subregional394742

1905Travel in TimeUral Championship 2012145743

1825Ifrit Bomber 2USU Personal Contest 2011217745

1936RoshamboUral FU Championship 2012141745

1132Square Root477747

1512ZiniumTimus Top Coders: Third Challenge435757

1716Alternative SolutionNEERC 2009 Eastern Subregional283757

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest454760

1424MinibusTimus Top Coders: First Challenge483762

1169PairsRomanian Online Contest December 2001468763

1484Film RatingUSU Championship 2006443763

1689Fisherman and BarbellUSU Personal Contest 2009310767

1948The Robot on the LineUral FU Personal Contest 2012129773

1042Central HeatingUSU Championship 20001410775

1720Summit Online JudgeNEERC 2009 Eastern Subregional276775

1392Dreaming of Stars492779

1705Gangster HaresUral Championship 2009300779

1434Buses in VasyukiUSU Personal Contest 2006469780

1921Chaos and OrderUral Regional School Programming Contest 2012136780

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest211786

1715Another Ball KillerNEERC 2009 Eastern Subregional270792

1547Password SearchUral Championship 2007396793

1647Divide an Island!Autumn School Contest 2008315797

1970皇后像廣場Ural FU Personal Contest 2013106797

1165SubnumberNEERC 2001 Northern Subregional447798

1030TitanicUral Championship 19991381799

1976Game OptimizationUral Championship 2013101799

1276TrainNEERC 2003 Central Subregional463803

1456Jedi Riddle 2Timus Top Coders: Second Challenge446804

1824Ifrit BomberUSU Personal Contest 2011200805

1979Resources DistributionUral Championship 2013100806

1593Square Country. Version 2297808

1983Nectar GatheringOpen Ural FU Championship 201391811

1630TalismanUSU Championship 2008308819

1883Ent's BirthdayUral Regional School Programming Contest 2011171819

1105Observers ColoringTetrahedron Team Online Contest May 2001429820

1268Little ChuUSU Championship 2003453820

1269Obscene Words FilterUSU Championship 2003453820

1949The Best Picture in the GalaxyUral FU Personal Contest 2012121820

1608Lucky Tickets 2008Ural Championship 2008332825

1379Cups TransportationUral Championship 2005. Round 1458836

1836Babel FishUral Championship 2011187838

1761Binary PalindromeUSU Personal Contest 2010235841

1154Mages ContestUral Championship 2001. Round 2422844

1147Shaping RegionsDSAP Vietnam Online Contest November 2001418851

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest449852

1498Stroke at Full SpeedAutumn School Contest 2006392857

1006Square FramesUSU Championship 19971294858

1937Davy Jones’s OrganUral FU Championship 2012121859

1323ClassmatesUral Championship 2004. Round 2435861

1436BillboardUSU Personal Contest 2006424861

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest235861

1233Amusing NumbersNEERC 2002422863

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest371864

1863Peaceful AtomUral FU Championship 2011162866

1324Extra SpacesUral Championship 2004. Round 2430870

1578Mammoth HuntAutumn School Contest 2007336871

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest294877

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest162878

1342EnterpriseUSU Championship 2004429885

1373Pictura ex MachinaUral Championship 2005. Round 1431887

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest386890

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest226894

1245PicturesUSU Personal Contest 2003408896

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest262896

1879GOV-internship 2Ural Regional School Programming Contest 2011154904

1277Cops and ThievesNEERC 2003 Central Subregional409906

1887Frequent Flyer CardNEERC 2011 Eastern Subregional153906

1580Dean's DebtsAutumn School Contest 2007322908

1364LaraKillerUral Championship 2005. Round 2416914

1907Coffee and BunsUral Championship 2012116914

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup91921

1278“… Connecting People”NEERC 2003 Central Subregional401924

1575Yekaterinburg Subway 2Autumn School Contest 2007316924

1827Indigenous WarsUSU Personal Contest 2011173924

1965Pear TreesUral FU Personal Contest 201390924

1285Thread in a HyperspaceUSU Personal Contest 2004403925

1862Very Wealthy MoleUral FU Championship 2011151925

1237Evacuation PlanNEERC 2002392929

1730ManBearPigUral Regional School Programming Contest 2009228929

1784RoundersUral SU Championship 2010186943

1422FirefliesTimus Top Coders: First Challenge388944

1768Circular StringsUral Championship 2010205944

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional111946

1985Prime SquareOpen Ural FU Championship 201376952

1968Glass PyramidUral FU Personal Contest 201387953

1175Strange SequenceUSU Personal Contest 2002373956

1569Networking the “Iset”USU Championship 2007305959

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest40962

1398Bishop and Pawn338963

1151RadiobeaconsUral Championship 2001. Round 2366969

1040Airline CompanyUSU Championship 20001120974

1591Abstract ThinkingNEERC 2007 Eastern Subregional297976

1722Observation DeckUral Regional School Programming Contest 2009216978

1418Military StoryUSU Championship 2005387981

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest39981

1130Nikifor's WalkUSU Championship 2001360982

1451Beerhouse TaleTimus Top Coders: Second Challenge362985

1331VladislavaAutumn School Contest 2004382986

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest347987

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest243990

1435Financial ErrorUSU Personal Contest 2006366994

1339BabiesUSU Championship 2004379999

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101741001

1311Stable ConstructionUral Championship 2004. Round 13701008

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2891016

1570Eating HighUSU Championship 20072871017

1687Numismatics for FunUSU Personal Contest 20092311018

1539Intelligence DataUSU Personal Contest 20073111021

2007Mutants versus MachinesUral Regional School Programming Contest 2013681026

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1371031

1075Thread in a SpaceUSU Personal Contest 20019611032

1790Searching for the TruthUral Regional School Programming Contest 20101681035

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1931039

1518Jedi Riddle 3Timus Top Coders: Third Challenge3071063

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1521073

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1511079

1511Fiscal OperationsTimus Top Coders: Third Challenge2991091

1317HailUral Championship 2004. Round 23401094

1173Lazy SnailRomanian Online Contest December 20013211102

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1811104

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2181109

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup731121

1766Humpty DumptyUral Championship 20101701128

1341DeviceUSU Championship 20043341129

1627JoinPetrozavodsk Winter 2008. ITMO Contest2231144

1458War GamesTimus Top Coders: Second Challenge3091149

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2021150

1357Teakettle 1.0 for DummiesSpring School Contest 20053281151

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2501153

1946Chinese Hockey 3Ural FU Personal Contest 2012831156

1947MeanderUral FU Personal Contest 2012831156

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3281157

1807Cartridges for MaximNEERC 2010 Eastern Subregional1481157

1544Classmates 3Ural Championship 20072671162

1447Portkey NetworkUral Championship 20063081164

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871169

1408Polynomial MultiplicationAutumn School Contest 20053241171

1444ElephpotamusUral Championship 20063061171

1595Perfect Sequence1891182

1686Photovoltaic SpaceshipUSU Personal Contest 20091971185

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771186

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1171189

1453QueenTimus Top Coders: Second Challenge2981190

1540Battle for the RingUSU Personal Contest 20072641196

1307ArchiverUral Championship 2004. Round 13091200

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest301202

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2421205

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional851205

1035Cross-stitchUral Championship 19999051211

1657Cube SnakeNEERC 2008 Eastern Subregional2031212

1359ConstructionSpring School Contest 20053101215

1736Chinese HockeyUSU Championship 20091701219

1669Universal WordPetrozavodsk Winter 2008. USU Contest1971222

1310ACM DiagnosticsUral Championship 2004. Round 13031223

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391227

1487Chinese FootballUSU Championship 20062711230

1950Martian FarmlandsUral FU Personal Contest 2012761250

1321Floor IndicatorUral Championship 2004. Round 22961251

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2711254

1538Towers of GuardUSU Personal Contest 20072511255

1546Japanese SortingUral Championship 20072451262

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2481276

1533Fat HobbitsUSU Personal Contest 20072451285

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971287

1328FireballAutumn School Contest 20042891292

1177Like ComparisonsUSU Personal Contest 20022731294

1050Preparing an ArticleUSU Local Contest. March 20008271300

1065FrontierNEERC 20007811302

1097Square Country 2USU Local Contest. March 20017061305

1171Lost in SpaceRomanian Online Contest December 20012661321

1281River BasinNEERC 2003 Central Subregional2741337

1240Heroes of Might and MagicNEERC 20022661350

1360Philosophical DisputeUral Championship 2005. Round 22771357

1099Work Scheduling6131358

1393Average Common Prefix2721368

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup581368

1499KerchiefsAutumn School Contest 20062411373

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup571389

1770The Party of Ural ChampionsUral Championship 20101361390

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2261395

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1411397

1908Brute-force SearchUral Championship 2012721404

1802Cube PuzzleNEERC 2010 Eastern Subregional1201406

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2231413

1266Kirchhoff's LawUSU Championship 20032581416

1318LogarithmUral Championship 2004. Round 22591424

1419Maps of the Island WorldsUSU Championship 20052631426

1265MirrorUSU Championship 20032561427

1299PsyloniansSpring School Contest 20042571432

1449Credit Operations 2Timus Top Coders: Second Challenge2461432

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1111436

1412Autumn TideUSU Championship 20052591447

1764TranssibUral Championship 20101301450

1345HTMLUSU Championship 20042571455

1347BlogSpring School Contest 20052561462

1441From the History of Gringotts BankUral Championship 20062431463

1043Cover an ArcUSU Championship 20007371474

1886Trip 2NEERC 2011 Eastern Subregional901476

1170DesertRomanian Online Contest December 20012351489

1762Search for a Hiding-PlaceUSU Personal Contest 20101281492

1565The Duel for ThreeUSU Championship 20071911503

1969Hong Kong TramUral FU Personal Contest 2013511515

1251Cemetery ManagerUSU Local Contest. March 20032371517

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2181523

1241Inlay CuttersNEERC 20022331536

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1531537

1782Jack's New WordUral SU Championship 20101101541

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest871556

1568Train Car SortingUSU Championship 20071841557

1831Tsyfirkin's LessonUral Championship 2011961557

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2121564

1337BureaucracyAutumn School Contest 20042351577

1734Endgame DatabaseUSU Championship 20091281590

1670AsteriskPetrozavodsk Summer 2008. USU Contest1471596

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1221598

1485Football and LieUSU Championship 20062061600

1583CheeseNEERC 2007 Eastern Subregional1751620

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2311623

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2281644

1488ACM PokerUSU Championship 20062001645

2022Riding a ToadNEERC 2014 Eastern Subregional211646

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest191658

1516NostalgiaTimus Top Coders: Third Challenge1931660

1977Energy WallUral Championship 2013431673

1894Non-Flying WeatherNEERC 2011 Eastern Subregional781677

1702CrossroadUral Championship 20091341678

1062TriathlonNEERC 20006031680

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional581683

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest791696

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921698

1610CactusesUral Championship 20081561699

1420Integer-Valued Complex DivisionUSU Championship 20052191700

1707Hypnotoad's SecretUral Championship 20091321701

1841CablewaysPetrozavodsk Summer 2010. USU Contest791702

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791702

1046Geometrical DreamsUSU Local Contest. March 20006261711

1338AutomobilesUSU Championship 20042161719

1615Tram SolitaireUral Championship 20081531730

1257HyphenationAutumn School Contest 20032091731

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012001734

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1781751

1839The MentaculusUral Championship 2011841756

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1891771

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest881773

1492Vasya's Dad 2Autumn School Contest 20061841777

1514National ParkTimus Top Coders: Third Challenge1791783

1781Clean CodeUral SU Championship 2010931795

1417Space Poker 2USU Championship 20052061802

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1071803

1304ParallelepipedUral Championship 19982011813

1425Queen 2Timus Top Coders: First Challenge1961823

1093DartsUSU Local Contest. March 20015011829

1378Artificial IntelligenceUral Championship 2005. Round 12031836

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841849

1163ChapaevNEERC 2001 Northern Subregional1861860

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1231884

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1231884

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1511886

1945Many-armed BrothersUral FU Personal Contest 2012471886

1972Game TestingUral Championship 2013371887

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231901

1532Lost in TranslationUSU Personal Contest 20071621905

1757Gold BarsUSU Personal Contest 2010981907

1634Spider MiteUSU Championship 20081261915

1216Two Pawns and One KingUSU Championship 20021841916

1503PolynomialNEERC 2006 Eastern Subregional1691916

1703Robotic ArmUral Championship 20091151933

1187Statistical TroubleNEERC 20011791939

1455Freedom of SpeechTimus Top Coders: Second Challenge1791940

1867NanotechnologiesUral FU Championship 2011661960

1833Hopes of RowingUral Championship 2011741965

1396Maximum. Version 21751969

1148Building TowersDSAP Vietnam Online Contest November 20011731990

1188LibraryNEERC 20011722014

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1742021

1063Domino PuzzleNEERC 20004982026

1232Asteroid LandingNEERC 2002 Central Subregional1722043

1288AstrolocationUSU Personal Contest 20041772043

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1122054

1267Yekaterinburg SubwayUSU Championship 20031742062

1092TransversalUSU Local Contest. March 20014382086

1835Swamp DoctorUral Championship 2011692089

1549Another Japanese PuzzleUral Championship 20071442090

1315MDPAR and MIIARUral Championship 2004. Round 11732092

1978E-LiteUral Championship 2013322112

1041NikiforUSU Championship 20005112113

1543Dance RevolutionUral Championship 20071422117

1074Very Short ProblemUSU Personal Contest 20014612127

1541ChaseUSU Personal Contest 20071442128

1850Space TourismPetrozavodsk Summer 2010. USU Contest612134

1504Good MannersNEERC 2006 Eastern Subregional1502143

1652Banking CrisisNEERC 2008 Eastern Subregional1092169

1397Points Game1502171

1655Somali PiratesNEERC 2008 Eastern Subregional1082188

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21672200

1882Old NokiaUral Regional School Programming Contest 2011572213

2006Kirill the GardenerUral Regional School Programming Contest 2013262224

1758Bald Spot Revisited 2USU Personal Contest 2010822239

1256Cemetery GuardUSU Local Contest. March 20031572244

1270UnicubeUSU Championship 20031592245

1368Goat in the Garden 3Ural Championship 2005. Round 21632251

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1022258

1481Winning ChancesUSU Championship 20061402304

1895Steaks on BoardNEERC 2011 Eastern Subregional542307

1284Space PokerUSU Personal Contest 20041552315

1829Routing TablesUSU Personal Contest 2011622349

1739FaryuksUSU Championship 2009832360

1865The Island of MärketUral FU Championship 2011532364

1717Eligibility RulesNEERC 2009 Eastern Subregional832384

1735Theft of the CenturyUSU Championship 2009822386

1275Knights of the Round TableNEERC 2003 Central Subregional1452450

1975Model of the EarthUral Championship 2013262464

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602483

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional362489

1704DemodulationUral Championship 2009872491

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest502516

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782520

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1082574

1300TaxesUral Championship 19981382585

1308Dean's PyramidUral Championship 2004. Round 11382587

1609Tram TileUral Championship 2008992588

1312TrayUral Championship 2004. Round 11372605

1454Rectangles 2Timus Top Coders: Second Challenge1302619

1520Empire Strikes BackTimus Top Coders: Third Challenge1182632

1597Chernobyl’ Eagle on a Roof. Version 2112640

1239Ghost BustersNEERC 20021312643

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472658

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup252658

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup252659

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest82671

1505Oil TransferNEERC 2006 Eastern Subregional1162722

1856War and PeacePetrozavodsk Summer 2011. USU Contest452744

1938Caribbean TriangleUral FU Championship 2012312745

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1152777

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812779

1858Magic CubePetrozavodsk Summer 2011. USU Contest442795

1566Triangular PostcardsUSU Championship 2007982797

1694Killer WordsPetrozavodsk Winter 2009. USU Contest772803

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest772803

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest72828

1637Triangle Game 2USU Championship 2008822831

1681Brother Bear's GardenUSU Personal Contest 2009762853

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest632889

1957MundialPetrozavodsk Winter 2013. Kontur Cup222908

141140 Islands KnightsUSU Championship 20051232927

1482Triangle GameUSU Championship 20061082928

1442Floo PowderUral Championship 20061142984

1834Tennis RacketUral Championship 2011453000

2016Magic and ScienceNEERC 2014 Eastern Subregional73002

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest713010

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional283013

1909Space ReconUral Championship 2012283029

1622EndspielPetrozavodsk Winter 2008. ITMO Contest763099

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463103

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest463103

1367Top SecretUral Championship 2005. Round 21153116

1999The secret moduleNEERC 2013 Eastern Subregional163126

1395Pascal vs. C++. Version 21073127

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest733211

1438Time Limit ExceededUSU Personal Contest 20061063222

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373223

1058ChocolateNEERC 2000 Central Subregional3263225

1616Square Country 4Ural Championship 2008753318

1166Funny Card GameNEERC 2001 Northern Subregional1033357

1464LightPetrozavodsk Winter 2006. USU Contest943389

1429BiscuitsTimus Top Coders: First Challenge1003414

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1043432

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest43434

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest43434

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup173446

1733Forgotten TechnologyUSU Championship 2009533484

1765Error 404Ural Championship 2010483500

1632LasersUSU Championship 2008643520

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333524

1466Magic SquarePetrozavodsk Winter 2006. USU Contest903525

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763532

1973Location GeneratorUral Championship 2013153548

1199Mouse823641

1509Domino RecognitionNEERC 2006 Eastern Subregional823728

1778Chinese Hockey 2Ural SU Championship 2010383852

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903912

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest24006

1661DodecahedronPetrozavodsk Winter 2008. USU Contest534013

1967Programmer CasinoUral FU Personal Contest 2013134018

1598DSA Attack34097

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504214

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684221

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704339

1271Sailing DirectionsUSU Championship 2003774362

1763Expert FleaUral Championship 2010364413

1771A Deputy's MorningUral Championship 2010364413

1797Summit Online Judge. Version 2164495

1460WiresPetrozavodsk Winter 2006. USU Contest684519

1594Aztec Treasure424531

1344Gigantic TurnipUSU Championship 2004744625

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest654629

1340CucarachaUSU Championship 2004734680

1801The Revolution CupNEERC 2010 Eastern Subregional294687

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404877

1426RectanglesTimus Top Coders: First Challenge664942

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575181

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest655216

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415225

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest185390

1365Testing CalculatorUral Championship 2005. Round 2625409

1906The Lost CivilizationUral Championship 2012115481

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest605589

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest375670

1372Death StarUral Championship 2005. Round 1585752

1848Fly HuntPetrozavodsk Summer 2010. USU Contest156061

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316167

1842Local RootsPetrozavodsk Summer 2010. USU Contest146313

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest306321

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446428

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296620

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest306662

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest166684

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276772

1653Death ConveyorNEERC 2008 Eastern Subregional267171

1363HalftonesUral Championship 2005. Round 2447212

1548Sakura and StatisticsUral Championship 2007347314

1596Knight Mare87511

1536Delights of Pipe-weedUSU Personal Contest 2007327802

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup18455

1432Twofold LuckUSU Personal Contest 2006348495

1840Victim of AdvertisingUral Championship 201189168

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199189

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179281

1376Dean's Pyramid 2Ural Championship 2005. Round 1329312

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest229491

1415Mobile LifeUSU Championship 2005299978

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310602

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1310894

1374MisereUral Championship 2005. Round 12311852

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2311855

1708Sum of Digits 2Ural Championship 20091012076

1399Economical Director1712403

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2013040

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313205

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314313

1369Cockroach RaceUral Championship 2005. Round 21316932

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1217782

1589SokobanNEERC 2007 Eastern Subregional323051

1394Ships. Version 2330095