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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7670117

1001Reverse Root2212717

1785Lost in LocalizationUral Regional School Programming Contest 20101326918

1293EniyaSpring School Contest 20042175919

2012About Grisha N.NEERC 2014 Eastern Subregional546120

1409Two GangstersAutumn School Contest 20052088821

1877Bicycle CodesUral Regional School Programming Contest 2011931622

2001Mathematicians and BerriesUral Regional School Programming Contest 2013512927

1264WorkdaysAutumn School Contest 20031509428

1820Ural SteaksUSU Personal Contest 2011786928

1787Turn for MEGAUral Regional School Programming Contest 2010821629

1197Lonesome KnightSpring School Contest 20021300431

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011623232

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional493934

1639Chocolate 2Autumn School Contest 2008863235

2066Simple ExpressionUral Regional School Programming Contest 2015229635

1924Four ImpsUral Regional School Programming Contest 2012467636

2023Donald is a postmanNEERC 2014 Eastern Subregional288238

1313Some Words about SportUral Championship 2004. Round 11059040

12091, 10, 100, 1000...Autumn School Contest 2002998541

1068Sum2737342

1225FlagsNEERC 2002 Central Subregional963543

1319HotelUral Championship 2004. Round 2977543

1567SMS-spamUSU Championship 2007800443

1581TeamworkAutumn School Contest 2007781544

1263ElectionsAutumn School Contest 2003882347

1585PenguinsNEERC 2007 Eastern Subregional728847

1991The battle near the swampNEERC 2013 Eastern Subregional285449

1100Final StandingsTetrahedron Team Online Contest May 2001790951

1876Centipede's MorningUral Regional School Programming Contest 2011392751

2100Wedding DinnerUral FU Junior Championship 201699151

1327FusesAutumn School Contest 2004820152

1243Divorce of the Seven DwarfsUSU Personal Contest 2003752555

1493One Step from HappinessAutumn School Contest 2006704055

1881Long problem statementUral Regional School Programming Contest 2011364055

1893A380NEERC 2011 Eastern Subregional362355

1110PowerBulgarian Online Contest September 2001714956

1349FarmSpring School Contest 2005750857

1607TaxiUSU Personal Contest 2008575857

1545HieroglyphsUral Championship 2007614459

1496SpammerAutumn School Contest 2006635061

1636Penalty TimeUSU Championship 2008495362

1837Isenbaev's NumberUral Championship 2011348562

1925British Scientists Save the WorldUral Regional School Programming Contest 2012271862

1196History ExamSpring School Contest 2002648463

1149Sinus Dances627664

1654Cipher MessageNEERC 2008 Eastern Subregional466165

1563BayanUSU Championship 2007521466

1723Sandro's BookUral Regional School Programming Contest 2009405466

1617Flat SpotsUral Championship 2008488167

2002Test TaskUral Regional School Programming Contest 2013200768

1131CopyingUSU Championship 2001580569

2035Another Dress RehearsalUral Regional School Programming Contest 2014158269

1025Democracy in DangerAutumn School Contest 20001760770

1224SpiralNEERC 2002 Central Subregional575971

1457Heating MainTimus Top Coders: Second Challenge573771

1083Factorials!!!Spring School Contest 20011476474

2005Taxi for ProgrammersUral Regional School Programming Contest 2013183975

1792Hamming CodeUral Regional School Programming Contest 2010309576

1935Tears of DrownedUral FU Championship 2012217777

2031Overturned NumbersUral Regional School Programming Contest 2014141477

1712Cipher GrilleNEERC 2009 Eastern Subregional345578

1502Domino DotsNEERC 2006 Eastern Subregional483479

2011Long StatementUral Regional School Programming Contest 2013170480

2056ScholarshipUral Championship 2015117380

1106Two TeamsTetrahedron Team Online Contest May 2001492581

1139City BlocksNEERC 2001 Central Subregional495781

1638BookwormUSU Championship 2008376181

1194HandshakesSpring School Contest 2002495382

1119MetroAutumn School Contest 2001484183

1290SabotageSpring School Contest 2004506883

2068Game of NutsUral Regional School Programming Contest 201596783

1404Easy to Hack!Autumn School Contest 2005509184

1120Sum of Sequential NumbersAutumn School Contest 2001474585

1180Stone GameUSU Personal Contest 2002461588

1146Maximum SumDSAP Vietnam Online Contest November 2001445990

1005Stone PileUSU Championship 19971358292

1297PalindromeSpring School Contest 2004458392

1510OrderNEERC 2006 Eastern Subregional415192

1601AntiCAPSUSU Personal Contest 2008358092

1161StripiesNEERC 2001 Northern Subregional431793

1902Neo-VeniceUral Championship 2012178695

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001413996

1446Sorting HatUral Championship 2006426396

16421D MazeAutumn School Contest 2008318296

1796Amusement ParkUral Regional School Programming Contest 2010243796

2025Line FightingUral Regional School Programming Contest 2014113396

1009K-based NumbersUSU Championship 19971282197

1203Scientific ConferenceUSU Local Contest. March 2002416897

1370MagicianUral Championship 2005. Round 2439297

1644A Whole Lot of WalnutsAutumn School Contest 2008311598

1731DillUral Regional School Programming Contest 2009271999

2033DevicesUral Regional School Programming Contest 2014110099

1786Sandro's BiographyUral Regional School Programming Contest 20102355100

1118Nontrivial NumbersAutumn School Contest 20013934102

1136ParliamentNEERC 2001 Central Subregional3942102

1214Strange ProcedureAutumn School Contest 20023988103

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131331103

1020RopeAutumn School Contest 200011894104

1296HyperjumpSpring School Contest 20044031104

1014Product of DigitsUSU Local Contest. 199911817105

1228ArrayNEERC 2002 Central Subregional3904105

2018The Debut AlbumNEERC 2014 Eastern Subregional1033106

1330IntervalsAutumn School Contest 20043940108

1573AlchemyAutumn School Contest 20073167109

1126Magnetic StormsUSU Championship 20013644110

1777AnindilyakwaUral SU Championship 20102144110

1079MaximumWinter Mathematical Festival Varna 20019742113

1192Ball in a DreamSpring School Contest 20023599113

1082Gaby IvanushkaSpring School Contest 20019466115

1226esreveR redrONEERC 2002 Central Subregional3552115

1086CryptographySpring School Contest 20019378116

1353Milliard Vasya's FunctionSpring School Contest 20053663116

1582BookmakersNEERC 2007 Eastern Subregional2932117

1044Lucky Tickets. Easy!USU Championship 200010377118

1219Symbolic SequenceUSU Championship 20023427120

1260Nudnik PhotographerAutumn School Contest 20033433121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023309122

1711Code NamesNEERC 2009 Eastern Subregional2207122

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional896122

1123SalaryAutumn School Contest 20013261123

1336Problem of Ben BetsalelAutumn School Contest 20043355126

1283DwarfUSU Personal Contest 20043309127

2000Grand Theft Array VUral Regional School Programming Contest 20131065128

1683FridgeUSU Personal Contest 20092258129

1688Team.GOV!USU Personal Contest 20092264129

1982Electrification PlanUral FU Championship 20131066130

1725Sold Out!Ural Regional School Programming Contest 20092020133

1868Prediction ContestUral FU Championship 20111506133

1352Mersenne PrimesSpring School Contest 20053183134

1022Genealogical TreeAutumn School Contest 20009122136

1402CocktailsAutumn School Contest 20053088139

1021Sacrament of the SumAutumn School Contest 20008877140

2102Michael and CryptographyUral FU Junior Championship 2016356140

1222Chernobyl’ EaglesUSU Championship 20022908141

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101654141

1964Chinese DialectsUral FU Personal Contest 20131053141

1740Deer is Better!USU Championship 20091862143

1931Excellent TeamUral FU Championship 20121157144

1612Tram ForumUral Championship 20082252145

1026Questions and AnswersAutumn School Contest 20008509146

1142RelationsDSAP Vietnam Online Contest November 20012753146

1576Telephone TariffsAutumn School Contest 20072359146

1084Goat in the GardenSpring School Contest 20017417147

1178Akbardin’s RoadsUSU Personal Contest 20022747147

1167Bicolored HorsesRomanian Online Contest December 20012715148

1864Get-Together at Den'sUral FU Championship 20111349149

1821BiathlonUSU Personal Contest 20111465150

2069Hard RockUral Regional School Programming Contest 2015533150

1572Yekaterinozavodsk Great WellAutumn School Contest 20072282151

1984Dummy GuyUral FU Championship 2013907152

2073Log FilesUral Regional School Programming Contest 2015527152

1210Kind SpiritsAutumn School Contest 20022657154

1306Sequence MedianUral Championship 19982686156

1073Square CountryUSU Personal Contest 20017109157

1709Penguin-AviaUral Championship 20091836157

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional873157

1017StaircasesUSU Local Contest. 19997744160

1295Crazy NotionsSpring School Contest 20042628160

1756One and a Half DiggersUSU Personal Contest 20101589160

1280Topological SortingNEERC 2003 Central Subregional2593161

1354Palindrome. Again PalindromeSpring School Contest 20052644161

1135RecruitsNEERC 2001 Central Subregional2453164

1586Threeprime NumbersNEERC 2007 Eastern Subregional2085164

1613For Fans of StatisticsUral Championship 20081988164

1157Young TilerUral Championship 2001. Round 22434165

1506Columns of NumbersNEERC 2006 Eastern Subregional2316165

1272Non-Yekaterinburg SubwayUSU Championship 20032516166

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1783166

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1205169

1874Football GoalUral Regional School Programming Contest 20111184169

1213Cockroaches!Autumn School Contest 20022406170

1878Rubinchik's CubeUral Regional School Programming Contest 20111174170

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional986171

2091Natural SelectionUral FU Personal Contest 2014349171

1012K-based Numbers. Version 27187173

1640Circle of WinterAutumn School Contest 20081741174

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101342174

1335White ThesisAutumn School Contest 20042377178

1413Mars JumperUSU Championship 20052392178

1800Murphy's LawNEERC 2010 Eastern Subregional1302178

1685OrthographyUSU Personal Contest 20091626179

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091499179

1102Strange DialogTetrahedron Team Online Contest May 20012208180

1134CardsNEERC 2001 Central Subregional2232180

1193Queue at the ExamSpring School Contest 20022253180

1769Old Ural LegendUral Championship 20101394180

1930Ivan's CarUral Regional School Programming Contest 2012932180

1207Median on the PlaneUSU Local Contest. March 20022230181

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional930181

1944Record of the Attack at the OrbitUral FU Personal Contest 2012887182

1048Superlong SumsUSU Local Contest. March 20006549184

1789Searching for the DodecahedronUral Regional School Programming Contest 20101270184

1133Fibonacci SequenceNEERC 2001 Central Subregional2167185

1152False MirrorsUral Championship 2001. Round 22173185

1114BoxesBulgarian Online Contest September 20012126189

1645Ski RaceAutumn School Contest 20081607189

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015422189

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional569191

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1577192

1208Legendary Teams ContestUSU Local Contest. March 20022092193

1423String TaleTimus Top Coders: First Challenge2139193

1869New Year CruiseUral FU Championship 20111037193

1164FillwordNEERC 2001 Northern Subregional2070194

2105Alice and Bob are on BikesUral FU Junior Championship 2016253195

2070Interesting NumbersUral Regional School Programming Contest 2015404197

1494MonobilliardsAutumn School Contest 20061940198

2065Different SumsUral Regional School Programming Contest 2015402198

1138Integer PercentageNEERC 2001 Central Subregional2014199

2095ScrumUral FU Personal Contest 2014297199

1112CoverBulgarian Online Contest September 20012009200

1680The First NonqualifyingUSU Personal Contest 20091453200

1885Passenger ComfortNEERC 2011 Eastern Subregional992201

1023ButtonsAutumn School Contest 20006145202

1348Goat in the Garden 2Spring School Contest 20052110202

1987Nested SegmentsUral FU Championship 2013680202

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional524207

1002Phone NumbersCentral European Olympiad in Informatics 19995864212

2098Lada PrioraUral FU Personal Contest 2014278213

1249Ancient NecropolisUSU Local Contest. March 20031921214

1490Fire CircleAutumn School Contest 20061793214

1635Mnemonics and PalindromesUSU Championship 20081421214

1183Brackets SequenceNEERC 20011882215

1515CashmasterTimus Top Coders: Third Challenge1729218

1052Rabbit HuntUSU Local Contest. March 20005470221

1491Unreal StoryAutumn School Contest 20061736221

1242WerewolfUSU Personal Contest 20031831225

1333Genie Bomber 2Autumn School Contest 20041876225

1795Husband in a ShopUral Regional School Programming Contest 20101032226

1011ConductorsUSU Championship 19975484227

1125HopscotchUSU Championship 20011767227

1737Mnemonics and Palindromes 3USU Championship 20091165228

1033LabyrinthUral Championship 19995381230

1204IdempotentsUSU Local Contest. March 20021754230

2024Adventure TimeUral Regional School Programming Contest 2014465231

1355Bald Spot RevisitedSpring School Contest 20051823233

1303Minimal CoverageUral Championship 19981788234

1049Brave BalloonistsUSU Local Contest. March 20005141235

1122GameAutumn School Contest 20011692237

1205By the Underground or by Foot?USU Local Contest. March 20021697238

1150Page NumbersUral Championship 2001. Round 21684239

1590Bacon’s CipherNEERC 2007 Eastern Subregional1419240

1191Catch the thief!Spring School Contest 20021672242

2067Friends and BerriesUral Regional School Programming Contest 2015327242

1247Check a SequenceUSU Personal Contest 20031683244

1108HeritageBulgarian Online Contest September 20011627246

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1739246

1889Airport AnnouncementsNEERC 2011 Eastern Subregional805247

1200Horns and HoofsUSU Local Contest. March 20021626248

1603EruditeUSU Personal Contest 20081320248

1826MinefieldUSU Personal Contest 2011878249

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1542250

1922Superhero TeamUral Regional School Programming Contest 2012667250

1013K-based Numbers. Version 3442252

1113JeepBulgarian Online Contest September 20011587252

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014333254

1109ConferenceBulgarian Online Contest September 20011575254

1433DiamondsUSU Personal Contest 20061615254

1658Sum of DigitsNEERC 2008 Eastern Subregional1180256

1298KnightSpring School Contest 20041627257

1080Map ColoringWinter Mathematical Festival Varna 20014257258

1195Ouths and CrossesSpring School Contest 20021557259

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1420260

1010Discrete FunctionUSTU PhysTech Cup 20004767261

1718RejudgeNEERC 2009 Eastern Subregional1015264

2003Simple MagicUral Regional School Programming Contest 2013513264

1028StarsUral Championship 19994635266

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031538267

1684Jack's Last WordUSU Personal Contest 20091084268

2034CaravansUral Regional School Programming Contest 2014398268

1726VisitsUral Regional School Programming Contest 2009995269

1998The old PadawanNEERC 2013 Eastern Subregional506269

1087The Time to Take StonesSpring School Contest 20014039270

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest948272

1244GentlemenUSU Personal Contest 20031503273

1779The Great TeamUral SU Championship 2010854273

1117HierarchyAutumn School Contest 20011460274

1741Communication FiendUSU Championship 2009969274

1211Collective GuaranteeAutumn School Contest 20021480276

1179Numbers in TextUSU Personal Contest 20021453277

1823Ideal GasUSU Personal Contest 2011788277

1220StacksUSU Championship 20021470278

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1366282

1047Simple CalculationsUSU Local Contest. March 20004278283

1537EntsUSU Personal Contest 20071299283

1501Sense of BeautyNEERC 2006 Eastern Subregional1344284

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012581287

1018Binary Apple TreeUSU Local Contest. 19994275290

1981Parallel and PerpendicularUral FU Championship 2013472290

2104Game with a StripUral FU Junior Championship 2016166291

1032Find a MultipleUral Championship 19993694292

1024PermutationsAutumn School Contest 20004211294

1184Cable MasterNEERC 20011366295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest873295

1377Lara CroftUral Championship 2005. Round 11442296

1753BookshelfUSU Personal Contest 2010852297

1036Lucky Tickets4145298

1497Cutting a SquareAutumn School Contest 20061281299

2021Scarily interesting!NEERC 2014 Eastern Subregional360299

1933Guns for Battle!Ural FU Championship 2012551300

1053PinocchioNEERC 2000 Central Subregional4003301

1934Black SpotUral FU Championship 2012549301

1551Sumo TournamentUral Championship 20071191303

1215Exactness of Projectile HitAutumn School Contest 20021332306

1521War Games 2Timus Top Coders: Third Challenge1214309

1124MosaicUSU Championship 20011292310

1127Colored BricksUSU Championship 20011290310

1137Bus RoutesNEERC 2001 Central Subregional1294310

1989SubpalindromesUral FU Championship 2013437312

1116Piecewise Constant FunctionAutumn School Contest 20011277313

1153SupercomputerUral Championship 2001. Round 21281313

1190Bar of ChocolateSpring School Contest 20021288313

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional735314

1992CVSNEERC 2013 Eastern Subregional432314

1227Rally ChampionshipNEERC 2002 Central Subregional1292316

2108Oleg and Little PoniesUral FU Junior Championship 2016152316

1294Mars SatellitesSpring School Contest 20041319317

1588JamaicaNEERC 2007 Eastern Subregional1063320

1320Graph DecompositionUral Championship 2004. Round 21291324

1517Freedom of ChoiceTimus Top Coders: Third Challenge1157324

1793Tray 2Ural Regional School Programming Contest 2010716324

1604Country of FoolsUSU Personal Contest 20081005325

1302Delta-waveUral Championship 19981281326

1941Scary Martian WordUral FU Personal Contest 2012490327

1008Image EncodingUSTU PhysTech Cup 20003783329

1121BranchesAutumn School Contest 20011215329

1450Russian PipelinesTimus Top Coders: Second Challenge1224329

1185WallNEERC 20011221330

1029MinistryUral Championship 19993237333

2046The First Day at SchoolUral Championship 2015274333

1346Intervals of MonotonicityUSU Championship 20041269334

2063Black and WhiteUral Regional School Programming Contest 2015234334

1218Episode N-th: The Jedi TournamentUSU Championship 20021212336

1160NetworkNEERC 2001 Northern Subregional1211337

2062Ambitious ExperimentUral Regional School Programming Contest 2015232337

1406Next NumberAutumn School Contest 20051260338

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest852338

1156Two RoundsUral Championship 2001. Round 21180340

1201Which Day Is It?USU Local Contest. March 20021184340

1223Chernobyl’ Eagle on a RoofUSU Championship 20021200340

1904The Lessons of the PastUral Championship 2012490341

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014311341

1060Flip GameNEERC 20003316345

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1063346

1648YachtsAutumn School Contest 2008873346

1282Game TreeNEERC 2003 Central Subregional1185350

1651Shortest SubchainNEERC 2008 Eastern Subregional860350

1246Tethered DogUSU Personal Contest 20031168351

1431DiplomasUSU Personal Contest 20061162352

1261TipsAutumn School Contest 20031175353

1090In the Army NowUSU Local Contest. March 20012929354

1031Railway TicketsUral Championship 19993474355

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest718358

1495One-two, One-two 2Autumn School Contest 20061062360

1140Swamp IncidentNEERC 2001 Central Subregional1106362

1483Table FootballUSU Championship 20061058362

1262Pseudo-Roman NumberAutumn School Contest 20031141363

1292Mars Space StationsSpring School Contest 20041146364

1007Code WordsUSU Championship 19973395366

1574Mathematicians and bracketsAutumn School Contest 2007929368

1356Something EasierSpring School Contest 20051146370

1078SegmentsWinter Mathematical Festival Varna 20012965371

1141RSA Attack1078371

1403CourierAutumn School Contest 20051148371

1828Approximation by a ProgressionUSU Personal Contest 2011585372

2078Bowling gameUral Championship 2016161374

1176HyperchannelsUSU Personal Contest 20021072375

1039Anniversary PartyUSU Championship 20003231378

1901Space ElevatorsUral Championship 2012441378

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional358378

1055CombinationsNEERC 2000 Central Subregional3179379

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest529379

2026Dean and ScheduleUral Regional School Programming Contest 2014278380

1003ParityCentral European Olympiad in Informatics 19993246383

2047MathsUral Championship 2015236384

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional512385

1259How to Become Star?Autumn School Contest 20031072386

1279WarehouseNEERC 2003 Central Subregional1076386

1229Strong BrickworkNEERC 2002 Central Subregional1054387

1287Mars CanalsUSU Personal Contest 20041074388

1427SMSTimus Top Coders: First Challenge1056389

1759Long-LiversUSU Personal Contest 2010647389

1783Nuclear Arms RaceUral SU Championship 2010595390

1289One Way TicketUSU Personal Contest 20041065391

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional272392

1407One-two, One-twoAutumn School Contest 20051077395

1489Points on a ParallelepipedAutumn School Contest 2006966395

2030Awesome Backup SystemUral Regional School Programming Contest 2014267395

1111SquaresBulgarian Online Contest September 20011005397

1115ShipsBulgarian Online Contest September 20011003398

1343Fairy TaleUSU Championship 20041062398

1562GM-pineappleUSU Championship 2007858399

1217Unlucky TicketsUSU Championship 20021017400

2109Tourism on MarsUral FU Junior Championship 2016118400

1963KiteUral FU Personal Contest 2013363401

1350CanteenSpring School Contest 20051048404

1923Scary PoliticsUral Regional School Programming Contest 2012409404

1995Illegal spicesNEERC 2013 Eastern Subregional334404

1077Travelling Tours985405

1631Drunk King 2USU Championship 2008748405

1015Test the Difference!USU Local Contest. 19993051406

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest728406

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest488410

1221Malevich Strikes Back!USU Championship 2002990411

1513Lemon TaleTimus Top Coders: Third Challenge911411

2081Faulty dialUral Championship 2016145412

1107Warehouse ProblemTetrahedron Team Online Contest May 2001959413

1252Sorting the TombstonesUSU Local Contest. March 2003992413

1774Barber of the Army of MagesUral SU Championship 2010561413

1094E-screenUSU Local Contest. March 20012502414

1291Gear-wheelsSpring School Contest 20041007414

1732Ministry of TruthUSU Championship 2009638414

1128Partition into GroupsUSU Championship 2001957417

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001960417

2099Space InvaderUral FU Personal Contest 2014137417

1602ElevatorUSU Personal Contest 2008780418

1507Difficult DecisionNEERC 2006 Eastern Subregional904420

1571InterpretersUSU Championship 2007808423

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest245423

1700AwakeningUral Championship 2009667427

1038Spell CheckerUSU Championship 20002852429

1181Cutting a Painted PolygonUSU Personal Contest 2002933430

1480CouponsUSU Championship 2006889430

2071Juice CocktailsUral Regional School Programming Contest 2015179431

1258PoolAutumn School Contest 2003958432

1416ConfidentialUSU Championship 2005977433

1776Anniversary FireworkUral SU Championship 2010535433

1519Formula 1Timus Top Coders: Third Challenge863434

1202Rectangles TravelUSU Local Contest. March 2002924435

1089Verification with a VocabularySpring School Contest 20012498436

1410CrackUSU Championship 2005968437

1873GOV ChroniclesUral Regional School Programming Contest 2011452437

1019Line PaintingUSU Local Contest. 19992826438

1129Door PaintingUSU Championship 2001904441

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014236445

1641DutiesAutumn School Contest 2008673447

1900Brainwashing DeviceUral Championship 2012372447

1890Money out of Thin AirNEERC 2011 Eastern Subregional438449

1942Attack at the OrbitUral FU Personal Contest 2012354449

1155TroubleduonsUral Championship 2001. Round 2884452

1238FoldingNEERC 2002897455

1643Attack of the Dark FortressAutumn School Contest 2008660456

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection315462

1316Electronic AuctionUral Championship 2004. Round 1892467

1326Bottle TapsUral Championship 2004. Round 2892467

1535The Hobbit or There and Back AgainUSU Personal Contest 2007780468

1051Simple Game on a GridUSU Local Contest. March 20002576469

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest731469

1728Curse on Team.GOVUral Regional School Programming Contest 2009565469

1401GamersAutumn School Contest 2005904470

1189Pairs of IntegersNEERC 2001847474

1072RoutingUSU Personal Contest 20012336475

1273TieUSU Championship 2003868477

1329Galactic HistoryAutumn School Contest 2004881477

1430Crime and PunishmentTimus Top Coders: First Challenge859477

1428Jedi RiddleTimus Top Coders: First Challenge850482

1628White StreaksUSU Championship 2008627482

1091Tmutarakan ExamsUSU Local Contest. March 20012137484

1162Currency ExchangeNEERC 2001 Northern Subregional826484

1322SpyUral Championship 2004. Round 2859485

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional473485

1236Decoding TaskNEERC 2002835488

1577E-mailAutumn School Contest 2007698488

1103Pencils and CirclesTetrahedron Team Online Contest May 2001806490

1525PathPetrozavodsk Winter 2007. D.Gozman Contest747491

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional334494

1439Battle with You-Know-WhoUral Championship 2006815496

1971Graphics SettingsUral Championship 2013283498

1579Coat TransportationAutumn School Contest 2007681500

1414Astronomical DatabaseUSU Championship 2005842502

1095Nikifor 3USU Local Contest. March 20012055503

1212BattleshipAutumn School Contest 2002803505

1098Questions1952506

1182Team Them Up!NEERC 2001792507

1158Censored!NEERC 2001 Northern Subregional784509

1884Way to the UniversityUral Regional School Programming Contest 2011385511

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional514516

1870Zinium 2Ural FU Championship 2011381518

1871Seismic WavesUral FU Championship 2011381518

1045Funny GameUSU Local Contest. March 20002327519

1066GarlandNEERC 20002199519

1056Computer NetNEERC 2000 Central Subregional2318520

1314Chase in SubwayUral Championship 2004. Round 1795524

1362Classmates 2Ural Championship 2005. Round 2806524

1334CheckersAutumn School Contest 2004798526

1069Prufer CodeUSU Personal Contest 20012105527

1366PresentsUral Championship 2005. Round 2801527

1980Road to InvestorUral Championship 2013267527

1600AirportUSU Personal Contest 2008615528

1891Language OceanNEERC 2011 Eastern Subregional371528

1729Dead Man's ChestUral Regional School Programming Contest 2009500529

1754Explosion in a PyramidUSU Personal Contest 2010468535

2064CaterpillarsUral Regional School Programming Contest 2015142536

2074Timus problems classifierQualification of eastern subregional contest 2015124536

1437Gasoline StationUSU Personal Contest 2006759537

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014194537

1465Pawn GamePetrozavodsk Winter 2006. USU Contest717541

2080WalletUral Championship 2016108541

1400Cellular CharactersAutumn School Contest 2005779544

1101Robot in the FieldTetrahedron Team Online Contest May 2001724545

1650BillionairesNEERC 2008 Eastern Subregional548546

1143Electric PathDSAP Vietnam Online Contest November 2001727548

2004Scientists from SpilkovoUral Regional School Programming Contest 2013241549

1004Sightseeing TripCentral European Olympiad in Informatics 19992254551

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005765551

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014187556

1534Football in GondorUSU Personal Contest 2007653558

1605Devil's SequenceUSU Personal Contest 2008582558

1027D++ AgainAutumn School Contest 20002201561

2048HistoryUral Championship 2015158563

1448Lighting in HogwartsUral Championship 2006716564

1172Ship RoutesRomanian Online Contest December 2001705566

2106DeserializationUral FU Junior Championship 201680569

1375Bill CleversUral Championship 2005. Round 1743570

1421Credit OperationsTimus Top Coders: First Challenge718570

2089Experienced coachUral Championship 2016102570

1085MeetingSpring School Contest 20011906571

1698Square Country 5Petrozavodsk Winter 2009. USU Contest500571

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest179571

2092BoleroUral FU Personal Contest 201497572

2009Canteen LineUral Regional School Programming Contest 2013230574

1682Crazy ProfessorUSU Personal Contest 2009499575

1710Boris, You Are Wrong!Ural Championship 2009493575

1760Infernal WorkUSU Personal Contest 2010435575

1064Binary SearchNEERC 20001967580

1550Dean's Pyramid 3Ural Championship 2007618580

1071Nikifor 2USU Personal Contest 20011910581

1592Chinese WatchesNEERC 2007 Eastern Subregional579583

1061Buffer ManagerNEERC 20001954584

1713Key SubstringsNEERC 2009 Eastern Subregional453584

1928Another Ecology ProblemUral Regional School Programming Contest 2012280584

1067Disk TreeNEERC 20001945586

1325DirtUral Championship 2004. Round 2708587

1803The Czechs' RiflesNEERC 2010 Eastern Subregional389587

1822Hugo II's WarUSU Personal Contest 2011365590

2060Subpalindrome pairsPalindromic Contest 141590

1358CablesSpring School Contest 2005711593

1838Samurai's StrokeUral Championship 2011357593

1966Cycling RoadsUral FU Personal Contest 2013241595

1445Christmas giftsUral Championship 2006676597

1198Jobbery708598

1706Cipher Message 2Ural Championship 2009474598

1059ExpressionNEERC 2000 Central Subregional2008599

1070Local TimeUSU Personal Contest 20011850599

1659Regular TrianglesNEERC 2008 Eastern Subregional497601

1962In Chinese RestaurantUral FU Personal Contest 2013237605

1690Army of MagesPetrozavodsk Winter 2009. USU Contest471606

1701Ostap and PartnersUral Championship 2009467606

1806Mobile TelegraphsNEERC 2010 Eastern Subregional376607

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional172608

1309DisputeUral Championship 2004. Round 1681610

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest555615

1939First SealUral FU Championship 2012261621

1767The House of Doctor DeeUral Championship 2010396623

1371Cargo AgencyUral Championship 2005. Round 1677625

1332Genie BomberAutumn School Contest 2004667628

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest488628

1054Hanoi TowerNEERC 2000 Central Subregional1910630

1542AutocompletionUral Championship 2007564635

1866Poetic FootUral FU Championship 2011307638

1452Pascal vs. C++Timus Top Coders: Second Challenge624641

1076Trash1713643

1248Sequence SumUSU Personal Contest 2003633643

1254Die HardUSU Local Contest. March 2003632645

1990PodracingNEERC 2013 Eastern Subregional205646

1892Morning in KoltsovoNEERC 2011 Eastern Subregional300649

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009405650

1234BricksNEERC 2002620654

1253NecrologuesUSU Local Contest. March 2003621656

1174Weird PermutationsRomanian Online Contest December 2001606657

1606SlalomUSU Personal Contest 2008492658

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest300659

1564Counting OnesUSU Championship 2007513661

1096Get the Right Route Plate!USU Local Contest. March 20011556664

1500Pass LicensesNEERC 2006 Eastern Subregional568665

1186Chemical ReactionsNEERC 2001600666

1903Unidentified ShipsUral Championship 2012246667

1132Square Root590673

1943Space RummyUral FU Personal Contest 2012233673

1961Cantonese DialectUral FU Personal Contest 2013212673

1443RailsUral Championship 2006594678

1088Ilya MurometzSpring School Contest 20011599680

1286Starship TravelUSU Personal Contest 2004609680

1274Fractional ArithmeticNEERC 2003 Central Subregional603683

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional239683

1772Ski-Trails for RobotsUral Championship 2010359686

1633HippogriffsUSU Championship 2008436688

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest560690

1940Not So Simple YearsUral FU Championship 2012234690

1168Radio StationsRomanian Online Contest December 2001573694

1755CakeUSU Personal Contest 2010357697

1440Training ScheduleUral Championship 2006577698

1057Amount of DegreesNEERC 2000 Central Subregional1719700

1611DecimationUral Championship 2008454705

1994The Emperor's planNEERC 2013 Eastern Subregional187705

1305Convex HullUral Championship 1998587706

1250Sea BurialUSU Local Contest. March 2003576707

1484Film RatingUSU Championship 2006536708

1230Introspective ProgramNEERC 2002 Central Subregional570709

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest537710

1159FenceNEERC 2001 Northern Subregional558712

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest593712

2008SwiftyUral Regional School Programming Contest 2013183714

1872Spacious OfficeUral FU Championship 2011273715

1301Cube in LabyrinthUral Championship 1998576719

1773Metro to Every HomeUral Championship 2010342719

1932The Secret of IdentifierUral FU Championship 2012224719

1169PairsRomanian Online Contest December 2001547726

1629TripUSU Championship 2008413726

1034Queens in Peaceful PositionsUral Championship 19991685730

1825Ifrit Bomber 2USU Personal Contest 2011293730

1716Alternative SolutionNEERC 2009 Eastern Subregional360731

1832Arirang ShowUral Championship 2011287732

1405Goat in the Garden 5Autumn School Contest 2005574735

1775Space BowlingUral SU Championship 2010311735

1780Gray CodeUral SU Championship 2010311735

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection194735

1037Memory ManagementUSU Championship 20001655737

1830Help in the RNOSUral Championship 2011284740

1593Square Country. Version 2385747

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012216750

1016Cube on the WalkUSU Local Contest. 19991643752

1235Cricket FieldNEERC 2002537753

1614National Project “Trams”Ural Championship 2008423755

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional215756

1424MinibusTimus Top Coders: First Challenge537758

1392Dreaming of Stars547771

1875Angry BirdsUral Regional School Programming Contest 2011251773

1986Paul’s SaladsUral FU Championship 2013170775

1647Divide an Island!Autumn School Contest 2008383777

1512ZiniumTimus Top Coders: Third Challenge476779

1646Godzilla Strikes Back!Autumn School Contest 2008382779

1974Similar TunesUral Championship 2013176784

1379Cups TransportationUral Championship 2005. Round 1535788

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest431788

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional287788

2103Corporate MailUral FU Junior Championship 201655788

2110Remove or MaximizeUral FU Junior Championship 201655788

1042Central HeatingUSU Championship 20001541791

1276TrainNEERC 2003 Central Subregional517795

1587Flying PigNEERC 2007 Eastern Subregional422795

1988Planet Ocean LandingUral FU Championship 2013165797

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest125799

1268Little ChuUSU Championship 2003512802

1689Fisherman and BarbellUSU Personal Contest 2009354804

1105Observers ColoringTetrahedron Team Online Contest May 2001487805

1323ClassmatesUral Championship 2004. Round 2514805

1456Jedi Riddle 2Timus Top Coders: Second Challenge493808

1030TitanicUral Championship 19991520809

1269Obscene Words FilterUSU Championship 2003506811

1738Computer SecurityUSU Championship 2009321811

1996Cipher Message 3NEERC 2013 Eastern Subregional161813

1277Cops and ThievesNEERC 2003 Central Subregional500821

1147Shaping RegionsDSAP Vietnam Online Contest November 2001481823

1547Password SearchUral Championship 2007433823

1720Summit Online JudgeNEERC 2009 Eastern Subregional319823

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest459828

1486Equal SquaresUSU Championship 2006456830

1436BillboardUSU Personal Contest 2006484836

1342EnterpriseUSU Championship 2004498840

1165SubnumberNEERC 2001 Northern Subregional470843

1705Gangster HaresUral Championship 2009333843

1373Pictura ex MachinaUral Championship 2005. Round 1492855

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest447860

1927Herbs and MagicUral Regional School Programming Contest 2012186865

1578Mammoth HuntAutumn School Contest 2007387869

1936RoshamboUral FU Championship 2012183872

1154Mages ContestUral Championship 2001. Round 2453873

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest248875

2052Physical EducationUral Championship 201598875

2093All Roads Lead to SnowdriftUral FU Personal Contest 201460875

1498Stroke at Full SpeedAutumn School Contest 2006429879

1006Square FramesUSU Championship 19971406880

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest410884

1715Another Ball KillerNEERC 2009 Eastern Subregional296884

1824Ifrit BomberUSU Personal Contest 2011240885

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest283889

2017Best of a bad lotNEERC 2014 Eastern Subregional114892

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest315896

1905Travel in TimeUral Championship 2012180898

1324Extra SpacesUral Championship 2004. Round 2459899

1970皇后像廣場Ural FU Personal Contest 2013156900

1580Dean's DebtsAutumn School Contest 2007373901

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest279901

1630TalismanUSU Championship 2008330903

1237Evacuation PlanNEERC 2002446905

1245PicturesUSU Personal Contest 2003447905

1233Amusing NumbersNEERC 2002445906

1608Lucky Tickets 2008Ural Championship 2008350909

1175Strange SequenceUSU Personal Contest 2002433916

1364LaraKillerUral Championship 2005. Round 2453924

1921Chaos and OrderUral Regional School Programming Contest 2012173926

1285Thread in a HyperspaceUSU Personal Contest 2004443929

1761Binary PalindromeUSU Personal Contest 2010265930

1422FirefliesTimus Top Coders: First Challenge434934

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest324936

1575Yekaterinburg Subway 2Autumn School Contest 2007357940

1965Pear TreesUral FU Personal Contest 2013148946

1278“… Connecting People”NEERC 2003 Central Subregional429954

1827Indigenous WarsUSU Personal Contest 2011222954

1398Bishop and Pawn384957

1836Babel FishUral Championship 2011217958

1339BabiesUSU Championship 2004435959

1949The Best Picture in the GalaxyUral FU Personal Contest 2012160962

1591Abstract ThinkingNEERC 2007 Eastern Subregional347963

1863Peaceful AtomUral FU Championship 2011200964

1730ManBearPigUral Regional School Programming Contest 2009269967

1948The Robot on the LineUral FU Personal Contest 2012159968

1937Davy Jones’s OrganUral FU Championship 2012163973

1569Networking the “Iset”USU Championship 2007345974

1784RoundersUral SU Championship 2010232975

1040Airline CompanyUSU Championship 20001247976

1451Beerhouse TaleTimus Top Coders: Second Challenge406977

1130Nikifor's WalkUSU Championship 2001402979

1435Financial ErrorUSU Personal Contest 2006412979

1976Game OptimizationUral Championship 2013139979

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest293982

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest343984

1418Military StoryUSU Championship 2005424985

1907Coffee and BunsUral Championship 2012161998

1883Ent's BirthdayUral Regional School Programming Contest 2011192999

1979Resources DistributionUral Championship 2013136999

1331VladislavaAutumn School Contest 20044151000

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest971008

1887Frequent Flyer CardNEERC 2011 Eastern Subregional1891011

1539Intelligence DataUSU Personal Contest 20073531019

1768Circular StringsUral Championship 20102361029

1075Thread in a SpaceUSU Personal Contest 200110641038

1570Eating HighUSU Championship 20073231039

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3681040

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1861042

1173Lazy SnailRomanian Online Contest December 20013781043

1518Jedi Riddle 3Timus Top Coders: Third Challenge3531043

1983Nectar GatheringUral FU Championship 20131221057

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2641063

1151RadiobeaconsUral Championship 2001. Round 23701064

1444ElephpotamusUral Championship 20063741067

2055Urban GeographyUral Championship 2015781074

1434Buses in VasyukiUSU Personal Contest 20063741076

1317HailUral Championship 2004. Round 23781087

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102061090

1341DeviceUSU Championship 20043811092

1447Portkey NetworkUral Championship 20063651092

1862Very Wealthy MoleUral FU Championship 20111751094

1722Observation DeckUral Regional School Programming Contest 20092361097

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2271099

1879GOV-internship 2Ural Regional School Programming Contest 20111731103

1687Numismatics for FunUSU Personal Contest 20092551105

1790Searching for the TruthUral Regional School Programming Contest 20102031105

2097Snowboarding on SpilnayaUral FU Personal Contest 2014451113

1627JoinPetrozavodsk Winter 2008. ITMO Contest2691120

1968Glass PyramidUral FU Personal Contest 20131231123

1540Battle for the RingUSU Personal Contest 20073171131

1595Perfect Sequence2391138

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3301142

1511Fiscal OperationsTimus Top Coders: Third Challenge3211144

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1671154

1736Chinese HockeyUSU Championship 20092221157

1533Fat HobbitsUSU Personal Contest 20073091159

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2481162

2101Knight's ShieldUral FU Junior Championship 2016341165

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3581167

1408Polynomial MultiplicationAutumn School Contest 20053561173

1544Classmates 3Ural Championship 20073001175

1458War GamesTimus Top Coders: Second Challenge3351178

1357Teakettle 1.0 for DummiesSpring School Contest 20053501187

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2791189

2107Oppa Funcan StyleUral FU Junior Championship 2016331192

1453QueenTimus Top Coders: Second Challenge3291199

1393Average Common Prefix3421206

2007Mutants versus MachinesUral Regional School Programming Contest 20131041209

1896War Games 2.1451214

1310ACM DiagnosticsUral Championship 2004. Round 13371215

1538Towers of GuardUSU Personal Contest 20072941217

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3081221

1359ConstructionSpring School Contest 20053391224

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3111225

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1741226

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1571226

1307ArchiverUral Championship 2004. Round 13331229

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2011235

1099Work Scheduling7491240

1546Japanese SortingUral Championship 20072821248

1035Cross-stitchUral Championship 19999781250

1766Humpty DumptyUral Championship 20101911259

1807Cartridges for MaximNEERC 2010 Eastern Subregional1761259

1487Chinese FootballUSU Championship 20062961263

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2651263

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1681268

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1241269

1171Lost in SpaceRomanian Online Contest December 20013051284

1321Floor IndicatorUral Championship 2004. Round 23181286

1657Cube SnakeNEERC 2008 Eastern Subregional2271286

1669Universal WordPetrozavodsk Winter 2008. USU Contest2231287

1985Prime SquareUral FU Championship 2013981292

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1991295

1946Chinese Hockey 3Ural FU Personal Contest 20121161298

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2751303

2085Magic ProgrammerUral Championship 2016391304

1686Photovoltaic SpaceshipUSU Personal Contest 20092141307

1177Like ComparisonsUSU Personal Contest 20022991314

1328FireballAutumn School Contest 20043101328

1360Philosophical DisputeUral Championship 2005. Round 23111333

1065FrontierNEERC 20008481336

1097Square Country 2USU Local Contest. March 20017671338

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1021339

1050Preparing an ArticleUSU Local Contest. March 20008931342

1281River BasinNEERC 2003 Central Subregional3011346

2059Not common palindromesPalindromic Contest 561350

1441From the History of Gringotts BankUral Championship 20062931352

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2611370

1311Stable ConstructionUral Championship 2004. Round 12971373

1499KerchiefsAutumn School Contest 20062711373

1947MeanderUral FU Personal Contest 20121091374

1318LogarithmUral Championship 2004. Round 22961378

1419Maps of the Island WorldsUSU Championship 20052981388

1449Credit Operations 2Timus Top Coders: Second Challenge2821392

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2141395

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2561396

1240Heroes of Might and MagicNEERC 20022851397

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1361399

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest661419

1345HTMLUSU Championship 20042901423

1347BlogSpring School Contest 20052891429

1299PsyloniansSpring School Contest 20042841432

1762Search for a Hiding-PlaceUSU Personal Contest 20101681437

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection941442

1950Martian FarmlandsUral FU Personal Contest 20121031447

1265MirrorUSU Championship 20032791448

1266Kirchhoff's LawUSU Championship 20032771458

1170DesertRomanian Online Contest December 20012661466

1412Autumn TideUSU Championship 20052781485

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1471491

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2501493

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1641497

1770The Party of Ural ChampionsUral Championship 20101581506

1043Cover an ArcUSU Championship 20007991516

1251Cemetery ManagerUSU Local Contest. March 20032631517

1568Train Car SortingUSU Championship 20072181517

1886Trip 2NEERC 2011 Eastern Subregional1191559

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional991560

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2651562

1241Inlay CuttersNEERC 20022541563

1488ACM PokerUSU Championship 20062351578

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1171584

1337BureaucracyAutumn School Contest 20042571591

1565The Duel for ThreeUSU Championship 20072071594

1802Cube PuzzleNEERC 2010 Eastern Subregional1361604

1670AsteriskPetrozavodsk Summer 2008. USU Contest1751609

1908Brute-force SearchUral Championship 2012951625

20503D-modelingUral Championship 2015481630

1485Football and LieUSU Championship 20062271631

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1721635

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2021639

1764TranssibUral Championship 20101441643

1257HyphenationAutumn School Contest 20032401673

1583CheeseNEERC 2007 Eastern Subregional1951676

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1241684

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection791685

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest541685

1378Artificial IntelligenceUral Championship 2005. Round 12441690

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1661691

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1661691

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1431702

1420Integer-Valued Complex DivisionUSU Championship 20052411704

1508Japanese PuzzleNEERC 2006 Eastern Subregional2151708

1782Jack's New WordUral SU Championship 20101281711

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2191717

1338AutomobilesUSU Championship 20042381721

1707Hypnotoad's SecretUral Championship 20091581721

1062TriathlonNEERC 20006501736

2058100500 palidnromesPalindromic Contest 411748

1516NostalgiaTimus Top Coders: Third Challenge2061753

1425Queen 2Timus Top Coders: First Challenge2251765

1046Geometrical DreamsUSU Local Contest. March 20006751769

1734Endgame DatabaseUSU Championship 20091411778

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012171780

1610CactusesUral Championship 20081721797

2096All InclusiveUral FU Personal Contest 2014241801

1781Clean CodeUral SU Championship 20101211802

1503PolynomialNEERC 2006 Eastern Subregional2031804

1615Tram SolitaireUral Championship 20081701817

1514National ParkTimus Top Coders: Third Challenge1981820

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1941820

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1531826

1841CablewaysPetrozavodsk Summer 2010. USU Contest1021828

1492Vasya's Dad 2Autumn School Contest 20062001837

1417Space Poker 2USU Championship 20052221843

1831Tsyfirkin's LessonUral Championship 20111081843

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011845

1304ParallelepipedUral Championship 19982171856

1093DartsUSU Local Contest. March 20015471866

1702CrossroadUral Championship 20091451866

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1501874

1757Gold BarsUSU Personal Contest 20101261881

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1281888

1163ChapaevNEERC 2001 Northern Subregional2041890

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015281891

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1481897

1397Points Game1941903

1148Building TowersDSAP Vietnam Online Contest November 20012011915

1703Robotic ArmUral Championship 20091411915

1532Lost in TranslationUSU Personal Contest 20071831916

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2131926

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest961927

1455Freedom of SpeechTimus Top Coders: Second Challenge1981954

1216Two Pawns and One KingUSU Championship 20022001958

1839The MentaculusUral Championship 20111011959

1267Yekaterinburg SubwayUSU Championship 20032031965

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1041979

1187Statistical TroubleNEERC 20011951982

1315MDPAR and MIIARUral Championship 2004. Round 12021989

1541ChaseUSU Personal Contest 20071751999

1634Spider MiteUSU Championship 20081432006

1396Maximum. Version 21912011

1969Hong Kong TramUral FU Personal Contest 2013632047

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1902057

1041NikiforUSU Championship 20005842065

1188LibraryNEERC 20011862073

1063Domino PuzzleNEERC 20005422075

1977Energy WallUral Championship 2013602084

1978E-LiteUral Championship 2013602084

1655Somali PiratesNEERC 2008 Eastern Subregional1362087

1074Very Short ProblemUSU Personal Contest 20015192107

1288AstrolocationUSU Personal Contest 20041892115

2083The Guardian of TraditionsUral Championship 2016202129

1232Asteroid LandingNEERC 2002 Central Subregional1812154

1549Another Japanese PuzzleUral Championship 20071582169

1867NanotechnologiesUral FU Championship 2011832176

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional682180

1543Dance RevolutionUral Championship 20071572182

1504Good MannersNEERC 2006 Eastern Subregional1662183

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21842205

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest922212

1256Cemetery GuardUSU Local Contest. March 20031762226

1092TransversalUSU Local Contest. March 20014512255

2022Riding a ToadNEERC 2014 Eastern Subregional392258

1284Space PokerUSU Personal Contest 20041742287

1717Eligibility RulesNEERC 2009 Eastern Subregional1082293

1833Hopes of RowingUral Championship 2011842313

1972Game TestingUral Championship 2013532316

1270UnicubeUSU Championship 20031702325

1481Winning ChancesUSU Championship 20061562329

1850Space TourismPetrozavodsk Summer 2010. USU Contest772354

1652Banking CrisisNEERC 2008 Eastern Subregional1192362

1368Goat in the Garden 3Ural Championship 2005. Round 21712363

2053BiologyUral Championship 2015302363

1895Steaks on BoardNEERC 2011 Eastern Subregional752366

1945Many-armed BrothersUral FU Personal Contest 2012592370

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest352396

1739FaryuksUSU Championship 20091012419

1882Old NokiaUral Regional School Programming Contest 2011732431

1835Swamp DoctorUral Championship 2011792443

2084Technical debtUral Championship 2016162457

1758Bald Spot Revisited 2USU Personal Contest 2010942460

1735Theft of the CenturyUSU Championship 2009982486

1275Knights of the Round TableNEERC 2003 Central Subregional1562522

1454Rectangles 2Timus Top Coders: Second Challenge1502540

1829Routing TablesUSU Personal Contest 2011772543

2090Crossroads of DestinyUral FU Personal Contest 2014142551

1300TaxesUral Championship 19981542569

1798Fire Circle. Version 2242572

1520Empire Strikes BackTimus Top Coders: Third Challenge1372575

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional952577

1599Winding Number222602

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1232612

1609Tram TileUral Championship 20081152617

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest762624

2051PhysicsUral Championship 2015262625

1308Dean's PyramidUral Championship 2004. Round 11502635

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1002648

2087TrainsUral Championship 2016142661

1865The Island of MärketUral FU Championship 2011662663

1704DemodulationUral Championship 2009982678

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1012701

1312TrayUral Championship 2004. Round 11452720

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest652723

1239Ghost BustersNEERC 20021402747

2006Kirill the GardenerUral Regional School Programming Contest 2013402756

1395Pascal vs. C++. Version 21372760

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1282813

1505Oil TransferNEERC 2006 Eastern Subregional1262825

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932828

1566Triangular PostcardsUSU Championship 20071122835

1637Triangle Game 2USU Championship 2008982842

1464LightPetrozavodsk Winter 2006. USU Contest1272870

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional492883

1058ChocolateNEERC 2000 Central Subregional4072894

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest602925

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection412941

1482Triangle GameUSU Championship 20061202974

141140 Islands KnightsUSU Championship 20051332990

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection403000

1438Time Limit ExceededUSU Personal Contest 20061263037

2079Memory leaksUral Championship 2016113042

1681Brother Bear's GardenUSU Personal Contest 2009863049

1367Top SecretUral Championship 2005. Round 21303056

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest853066

2061OEIS A216264Palindromic Contest 193074

1442Floo PowderUral Championship 20061233080

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest563095

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1163120

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest903125

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest733138

1429BiscuitsTimus Top Coders: First Challenge1223142

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest553142

1622EndspielPetrozavodsk Winter 2008. ITMO Contest893157

1975Model of the EarthUral Championship 2013363172

2057Non-palidromic cuttingPalindromic Contest 183183

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection373191

1909Space ReconUral Championship 2012433220

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest603224

2049ChemistryUral Championship 2015193259

2088Nostalgic EveningUral Championship 201693294

2086Find DenisUral Championship 201693362

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest223370

1166Funny Card GameNEERC 2001 Northern Subregional1143373

1597Chernobyl’ Eagle on a Roof. Version 2243375

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional403401

1834Tennis RacketUral Championship 2011533451

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1143463

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest493471

1616Square Country 4Ural Championship 2008833517

1509Domino RecognitionNEERC 2006 Eastern Subregional983557

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection323571

1778Chinese Hockey 2Ural SU Championship 2010563577

1938Caribbean TriangleUral FU Championship 2012373580

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest533582

1199Mouse953588

2077ReductionsQualification of eastern subregional contest 2015103593

1765Error 404Ural Championship 2010593667

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest843696

1632LasersUSU Championship 2008733697

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest193719

1847ZamkadyePetrozavodsk Summer 2010. USU Contest453723

1733Forgotten TechnologyUSU Championship 2009623729

2094Thousand ImpsUral FU Personal Contest 201463827

1598DSA Attack193886

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest853909

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest893921

1967Programmer CasinoUral FU Personal Contest 2013283931

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest964051

1973Location GeneratorUral Championship 2013254169

1661DodecahedronPetrozavodsk Winter 2008. USU Contest614222

2076VasianaQualification of eastern subregional contest 201574227

1460WiresPetrozavodsk Winter 2006. USU Contest824273

1999The secret moduleNEERC 2013 Eastern Subregional224342

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest594344

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest774461

1344Gigantic TurnipUSU Championship 2004854493

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest144493

1271Sailing DirectionsUSU Championship 2003834499

1594Aztec Treasure534502

2082PokerUral Championship 201644529

2016Magic and ScienceNEERC 2014 Eastern Subregional144609

1340CucarachaUSU Championship 2004824640

1797Summit Online Judge. Version 2274657

2054AstronomyUral Championship 2015104724

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest514775

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest704852

1771A Deputy's MorningUral Championship 2010424866

1801The Revolution CupNEERC 2010 Eastern Subregional384877

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest544883

1799Sasha and swag strings74886

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest534961

1365Testing CalculatorUral Championship 2005. Round 2764974

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest764993

1426RectanglesTimus Top Coders: First Challenge725058

1763Expert FleaUral Championship 2010405061

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest725237

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285389

1372Death StarUral Championship 2005. Round 1685504

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest605545

1668Death Star 2Petrozavodsk Winter 2008. USU Contest425765

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest255835

1842Local RootsPetrozavodsk Summer 2010. USU Contest255851

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest285938

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest405995

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426010

1906The Lost CivilizationUral Championship 2012186095

1363HalftonesUral Championship 2005. Round 2596200

1674Drunk KingPetrozavodsk Summer 2008. USU Contest376333

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional376484

1653Death ConveyorNEERC 2008 Eastern Subregional366625

1536Delights of Pipe-weedUSU Personal Contest 2007436979

1840Victim of AdvertisingUral Championship 2011207248

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337268

1596Knight Mare157580

1432Twofold LuckUSU Personal Contest 2006437794

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest268268

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection78820

1415Mobile LifeUSU Championship 2005388906

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest298908

1376Dean's Pyramid 2Ural Championship 2005. Round 1388945

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1910045

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3210224

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910263

1399Economical Director2610462

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2111207

1374MisereUral Championship 2005. Round 12811299

1708Sum of Digits 2Ural Championship 20091511566

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2111978

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313013

1369Cockroach RaceUral Championship 2005. Round 21914751

1548Sakura and StatisticsUral Championship 20071415183

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1616516

1589SokobanNEERC 2007 Eastern Subregional522909

1394Ships. Version 2626841