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Problem set


IDTitleSourceAuthorsDifficulty

1001Reverse Root3044115

1293EniyaSpring School Contest 20043193515

1000A+B Problem9855616

1409Two GangstersAutumn School Contest 20053056916

1785Lost in LocalizationUral Regional School Programming Contest 20102032716

2012About Grisha N.NEERC 2014 Eastern Subregional1287916

1877Bicycle CodesUral Regional School Programming Contest 20111532019

1264WorkdaysAutumn School Contest 20032199522

2001Mathematicians and BerriesUral Regional School Programming Contest 20131079622

1787Turn for MEGAUral Regional School Programming Contest 20101284425

1820Ural SteaksUSU Personal Contest 20111218925

2066Simple ExpressionUral Regional School Programming Contest 2015679027

1197Lonesome KnightSpring School Contest 20021674628

2100Wedding DinnerUral FU Junior Championship 2016555828

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011964130

1639Chocolate 2Autumn School Contest 20081195632

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional799933

12091, 10, 100, 1000...Autumn School Contest 20021350635

1313Some Words about SportUral Championship 2004. Round 11390035

1225FlagsNEERC 2002 Central Subregional1309736

1924Four ImpsUral Regional School Programming Contest 2012729236

2023Donald is a postmanNEERC 2014 Eastern Subregional577136

1068Sum3611137

1319HotelUral Championship 2004. Round 21239939

1585PenguinsNEERC 2007 Eastern Subregional1075439

1567SMS-spamUSU Championship 20071045640

1581TeamworkAutumn School Contest 20071026041

1263ElectionsAutumn School Contest 20031113443

2056ScholarshipUral Championship 2015451543

1100Final StandingsTetrahedron Team Online Contest May 20011059144

1991The battle near the swampNEERC 2013 Eastern Subregional531244

1327FusesAutumn School Contest 20041047947

1493One Step from HappinessAutumn School Contest 2006956247

1607TaxiUSU Personal Contest 2008857747

1243Divorce of the Seven DwarfsUSU Personal Contest 2003958950

1496SpammerAutumn School Contest 2006906950

1349FarmSpring School Contest 2005962851

1545HieroglyphsUral Championship 2007855851

1110PowerBulgarian Online Contest September 2001899352

1876Centipede's MorningUral Regional School Programming Contest 2011562352

1196History ExamSpring School Contest 2002867054

1563BayanUSU Championship 2007756355

1893A380NEERC 2011 Eastern Subregional514256

1636Penalty TimeUSU Championship 2008658258

1837Isenbaev's NumberUral Championship 2011526558

1654Cipher MessageNEERC 2008 Eastern Subregional651759

1881Long problem statementUral Regional School Programming Contest 2011491559

1149Sinus Dances778360

1723Sandro's BookUral Regional School Programming Contest 2009577061

1617Flat SpotsUral Championship 2008629164

1925British Scientists Save the WorldUral Regional School Programming Contest 2012411164

2111PlatoUniversity academic school olympiad in informatics 2019155565

1638BookwormUSU Championship 2008578366

1025Democracy in DangerAutumn School Contest 20002164567

1224SpiralNEERC 2002 Central Subregional711867

1457Heating MainTimus Top Coders: Second Challenge700867

1083Factorials!!!Spring School Contest 20011891668

2002Test TaskUral Regional School Programming Contest 2013344268

2035Another Dress RehearsalUral Regional School Programming Contest 2014299270

2025Line FightingUral Regional School Programming Contest 2014292471

1119MetroAutumn School Contest 2001650472

1502Domino DotsNEERC 2006 Eastern Subregional614774

1935Tears of DrownedUral FU Championship 2012354374

1106Two TeamsTetrahedron Team Online Contest May 2001623575

1131CopyingUSU Championship 2001621975

1296HyperjumpSpring School Contest 2004640576

1139City BlocksNEERC 2001 Central Subregional607377

2031Overturned NumbersUral Regional School Programming Contest 2014271377

1146Maximum SumDSAP Vietnam Online Contest November 2001591279

1290SabotageSpring School Contest 2004612879

1792Hamming CodeUral Regional School Programming Contest 2010407079

1194HandshakesSpring School Contest 2002583381

1404Easy to Hack!Autumn School Contest 2005606481

1712Cipher GrilleNEERC 2009 Eastern Subregional435581

1297PalindromeSpring School Contest 2004590382

1005Stone PileUSU Championship 19971760883

2005Taxi for ProgrammersUral Regional School Programming Contest 2013281183

1203Scientific ConferenceUSU Local Contest. March 2002560184

1120Sum of Sequential NumbersAutumn School Contest 2001536287

1180Stone GameUSU Personal Contest 2002544187

1510OrderNEERC 2006 Eastern Subregional518387

1601AntiCAPSUSU Personal Contest 2008450390

1161StripiesNEERC 2001 Northern Subregional515791

1446Sorting HatUral Championship 2006521191

1126Magnetic StormsUSU Championship 2001507992

1370MagicianUral Championship 2005. Round 2532492

2011Long StatementUral Regional School Programming Contest 2013254492

1009K-based NumbersUSU Championship 19971575793

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001499493

2068Game of NutsUral Regional School Programming Contest 2015196993

1014Product of DigitsUSU Local Contest. 19991537295

16421D MazeAutumn School Contest 2008402095

1330IntervalsAutumn School Contest 2004500897

1644A Whole Lot of WalnutsAutumn School Contest 2008395297

1020RopeAutumn School Contest 20001464999

1136ParliamentNEERC 2001 Central Subregional472799

2018The Debut AlbumNEERC 2014 Eastern Subregional210299

1214Strange ProcedureAutumn School Contest 20024735100

1731DillUral Regional School Programming Contest 20093500100

2138The Good, the Bad and the UglyUral School Programming Contest 2019876100

1118Nontrivial NumbersAutumn School Contest 20014579102

1786Sandro's BiographyUral Regional School Programming Contest 20103143102

1796Amusement ParkUral Regional School Programming Contest 20103129102

1353Milliard Vasya's FunctionSpring School Contest 20054695104

1573AlchemyAutumn School Contest 20073995104

1902Neo-VeniceUral Championship 20122523104

1228ArrayNEERC 2002 Central Subregional4531105

2033DevicesUral Regional School Programming Contest 20141991105

1086CryptographySpring School Contest 200111969107

1079MaximumWinter Mathematical Festival Varna 200111796109

1192Ball in a DreamSpring School Contest 20024300110

1260Nudnik PhotographerAutumn School Contest 20034368110

1226esreveR redrONEERC 2002 Central Subregional4282111

1494MonobilliardsAutumn School Contest 20063935115

2142MagicUral School Programming Contest 2019756116

1219Symbolic SequenceUSU Championship 20024059117

1777AnindilyakwaUral SU Championship 20102740117

1582BookmakersNEERC 2007 Eastern Subregional3537118

1283DwarfUSU Personal Contest 20044063119

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131960119

1044Lucky Tickets. Easy!USU Championship 200011986120

1123SalaryAutumn School Contest 20013905120

1082Gaby IvanushkaSpring School Contest 200110566121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023908121

1336Problem of Ben BetsalelAutumn School Contest 20044040121

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest3010125

1688Team.GOV!USU Personal Contest 20092910127

1402CocktailsAutumn School Contest 20053844128

1711Code NamesNEERC 2009 Eastern Subregional2748128

1982Electrification PlanUral FU Championship 20131831128

2102Michael and CryptographyUral FU Junior Championship 20161216128

1352Mersenne PrimesSpring School Contest 20053790129

1683FridgeUSU Personal Contest 20092828131

2149Pigeonhole PrincipleUral School Programming Contest 2019671131

1725Sold Out!Ural Regional School Programming Contest 20092614134

1167Bicolored HorsesRomanian Online Contest December 20013480135

1022Genealogical TreeAutumn School Contest 200010575137

1613For Fans of StatisticsUral Championship 20082934137

1740Deer is Better!USU Championship 20092556137

1354Palindrome. Again PalindromeSpring School Contest 20053519139

1222Chernobyl’ EaglesUSU Championship 20023409140

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1489140

2000Grand Theft Array VUral Regional School Programming Contest 20131655141

1280Topological SortingNEERC 2003 Central Subregional3388142

1306Sequence MedianUral Championship 19983387143

1572Yekaterinozavodsk Great WellAutumn School Contest 20072909143

1021Sacrament of the SumAutumn School Contest 200010094144

1073Square CountryUSU Personal Contest 20019041144

1576Telephone TariffsAutumn School Contest 20072892144

1586Threeprime NumbersNEERC 2007 Eastern Subregional2891144

1612Tram ForumUral Championship 20082761145

1868Prediction ContestUral FU Championship 20112000145

1178Akbardin’s RoadsUSU Personal Contest 20023220146

1084Goat in the GardenSpring School Contest 20018650148

1142RelationsDSAP Vietnam Online Contest November 20013138150

1272Non-Yekaterinburg SubwayUSU Championship 20033214150

1506Columns of NumbersNEERC 2006 Eastern Subregional3007150

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1945150

1295Crazy NotionsSpring School Contest 20043201151

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102122151

1709Penguin-AviaUral Championship 20092406153

1931Excellent TeamUral FU Championship 20121700153

1017StaircasesUSU Local Contest. 19999442154

1964Chinese DialectsUral FU Personal Contest 20131573154

1987Nested SegmentsUral FU Championship 20131523154

1152False MirrorsUral Championship 2001. Round 23000156

1026Questions and AnswersAutumn School Contest 20009250157

1207Median on the PlaneUSU Local Contest. March 20022969159

1864Get-Together at Den'sUral FU Championship 20111804161

1210Kind SpiritsAutumn School Contest 20022940162

1112CoverBulgarian Online Contest September 20012878163

1135RecruitsNEERC 2001 Central Subregional2868163

1821BiathlonUSU Personal Contest 20111870164

1756One and a Half DiggersUSU Personal Contest 20102007168

1930Ivan's CarUral Regional School Programming Contest 20121552168

1213Cockroaches!Autumn School Contest 20022809169

1521War Games 2Timus Top Coders: Third Challenge2635169

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2682170

1640Circle of WinterAutumn School Contest 20082242170

1102Strange DialogTetrahedron Team Online Contest May 20012728171

1726VisitsUral Regional School Programming Contest 20092035172

1423String TaleTimus Top Coders: First Challenge2760173

1685OrthographyUSU Personal Contest 20092133174

1012K-based Numbers. Version 28332175

1413Mars JumperUSU Championship 20052789176

1335White ThesisAutumn School Contest 20042742178

1800Murphy's LawNEERC 2010 Eastern Subregional1780179

1193Queue at the ExamSpring School Contest 20022604181

2115The Knowledge DayUniversity academic school olympiad in informatics 2019550181

1242WerewolfUSU Personal Contest 20032625182

1303Minimal CoverageUral Championship 19982647183

1874Football GoalUral Regional School Programming Contest 20111581183

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015997183

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1269184

1013K-based Numbers. Version 31128187

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101706187

1984Dummy GuyUral FU Championship 20131254187

1114BoxesBulgarian Online Contest September 20012480189

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091837190

2069Hard RockUral Regional School Programming Contest 2015961190

1348Goat in the Garden 2Spring School Contest 20052558191

1590Bacon’s CipherNEERC 2007 Eastern Subregional2172191

1604Country of FoolsUSU Personal Contest 20082096192

1134CardsNEERC 2001 Central Subregional2428193

1635Mnemonics and PalindromesUSU Championship 20081981193

1769Old Ural LegendUral Championship 20101736193

1048Superlong SumsUSU Local Contest. March 20007289194

1183Brackets SequenceNEERC 20012421194

1157Young TilerUral Championship 2001. Round 22408195

1645Ski RaceAutumn School Contest 20081955195

1658Sum of DigitsNEERC 2008 Eastern Subregional1940196

1878Rubinchik's CubeUral Regional School Programming Contest 20111473196

1160NetworkNEERC 2001 Northern Subregional2415197

1885Passenger ComfortNEERC 2011 Eastern Subregional1460198

1490Fire CircleAutumn School Contest 20062277199

1138Integer PercentageNEERC 2001 Central Subregional2347200

1164FillwordNEERC 2001 Northern Subregional2343200

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1900200

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1306200

1450Russian PipelinesTimus Top Coders: Second Challenge2345201

2073Log FilesUral Regional School Programming Contest 2015902202

1789Searching for the DodecahedronUral Regional School Programming Contest 20101573203

1023ButtonsAutumn School Contest 20006969208

2070Interesting NumbersUral Regional School Programming Contest 2015871209

1491Unreal StoryAutumn School Contest 20062150210

1208Legendary Teams ContestUSU Local Contest. March 20022226211

1680The First NonqualifyingUSU Personal Contest 20091755211

1944Record of the Attack at the OrbitUral FU Personal Contest 20121206211

2141Sasha VilkinUral School Programming Contest 2019412211

1515CashmasterTimus Top Coders: Third Challenge2100212

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1225213

1355Bald Spot RevisitedSpring School Contest 20052282214

1080Map ColoringWinter Mathematical Festival Varna 20015975215

1249Ancient NecropolisUSU Local Contest. March 20032225215

1333Genie Bomber 2Autumn School Contest 20042249217

1869New Year CruiseUral FU Championship 20111330218

1002Phone NumbersCentral European Olympiad in Informatics 19996622220

1133Fibonacci SequenceNEERC 2001 Central Subregional2132220

2091Natural SelectionUral FU Personal Contest 2014733224

1204IdempotentsUSU Local Contest. March 20022086226

1125HopscotchUSU Championship 20012052228

1033LabyrinthUral Championship 19996310229

1052Rabbit HuntUSU Local Contest. March 20006180229

2105Alice and Bob are on BikesUral FU Junior Championship 2016677229

1298KnightSpring School Contest 20042092231

2144Cleaning the RoomUral School Programming Contest 2019376231

1205By the Underground or by Foot?USU Local Contest. March 20022007234

1247Check a SequenceUSU Personal Contest 20032015237

1628White StreaksUSU Championship 20081615237

1737Mnemonics and Palindromes 3USU Championship 20091459238

1011ConductorsUSU Championship 19976060240

1122GameAutumn School Contest 20011944240

1795Husband in a ShopUral Regional School Programming Contest 20101325240

1184Cable MasterNEERC 20011951241

1049Brave BalloonistsUSU Local Contest. March 20005864242

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2029242

1150Page NumbersUral Championship 2001. Round 21928243

2095ScrumUral FU Personal Contest 2014675243

1191Catch the thief!Spring School Contest 20021919245

1108HeritageBulgarian Online Contest September 20011899246

1109ConferenceBulgarian Online Contest September 20011901246

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1367249

1603EruditeUSU Personal Contest 20081609250

1200Horns and HoofsUSU Local Contest. March 20021877251

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional828251

2062Ambitious ExperimentUral Regional School Programming Contest 2015725251

1195Ouths and CrossesSpring School Contest 20021862252

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1799252

1244GentlemenUSU Personal Contest 20031868255

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1332256

1433DiamondsUSU Personal Contest 20061856257

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014952260

1155TroubleduonsUral Championship 2001. Round 21802260

1028StarsUral Championship 19995547261

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1674262

1684Jack's Last WordUSU Personal Contest 20091407262

1113JeepBulgarian Online Contest September 20011770264

1401GamersAutumn School Contest 20051861264

1501Sense of BeautyNEERC 2006 Eastern Subregional1709264

2098Lada PrioraUral FU Personal Contest 2014618265

1087The Time to Take StonesSpring School Contest 20014795266

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional781266

1322SpyUral Championship 2004. Round 21804268

1517Freedom of ChoiceTimus Top Coders: Third Challenge1662268

2065Different SumsUral Regional School Programming Contest 2015676269

1117HierarchyAutumn School Contest 20011717272

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031754272

1018Binary Apple TreeUSU Local Contest. 19995319273

1220StacksUSU Championship 20021737273

1741Communication FiendUSU Championship 20091267274

1010Discrete FunctionUSTU PhysTech Cup 20005205280

1537EntsUSU Personal Contest 20071560280

1650BillionairesNEERC 2008 Eastern Subregional1345282

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1019282

2067Friends and BerriesUral Regional School Programming Contest 2015644282

1179Numbers in TextUSU Personal Contest 20021649285

2034CaravansUral Regional School Programming Contest 2014723285

1162Currency ExchangeNEERC 2001 Northern Subregional1638286

1922Superhero TeamUral Regional School Programming Contest 2012903287

1047Simple CalculationsUSU Local Contest. March 20004926288

1718RejudgeNEERC 2009 Eastern Subregional1214288

1377Lara CroftUral Championship 2005. Round 11688290

1551Sumo TournamentUral Championship 20071483292

2024Adventure TimeUral Regional School Programming Contest 2014707292

1320Graph DecompositionUral Championship 2004. Round 21649293

1826MinefieldUSU Personal Contest 20111039294

1356Something EasierSpring School Contest 20051654295

1346Intervals of MonotonicityUSU Championship 20041650296

1124MosaicUSU Championship 20011572297

1153SupercomputerUral Championship 2001. Round 21576297

1036Lucky Tickets4860298

1032Find a MultipleUral Championship 19994212299

1223Chernobyl’ Eagle on a RoofUSU Championship 20021588299

1497Cutting a SquareAutumn School Contest 20061511299

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1465299

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1397299

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1138299

1215Exactness of Projectile HitAutumn School Contest 20021574301

1185WallNEERC 20011551303

1190Bar of ChocolateSpring School Contest 20021544304

1227Rally ChampionshipNEERC 2002 Central Subregional1558304

2078Bowling gameUral Championship 2016540307

1024PermutationsAutumn School Contest 20004704308

1989SubpalindromesUral FU Championship 2013754309

2145Olympiad for EveryoneUral School Programming Contest 2019278309

1294Mars SatellitesSpring School Contest 20041558310

1779The Great TeamUral SU Championship 20101016313

1127Colored BricksUSU Championship 20011483315

1211Collective GuaranteeAutumn School Contest 20021494317

1806Mobile TelegraphsNEERC 2010 Eastern Subregional998317

1588JamaicaNEERC 2007 Eastern Subregional1298319

1753BookshelfUSU Personal Contest 20101054319

2104Game with a StripUral FU Junior Championship 2016484319

1823Ideal GasUSU Personal Contest 2011954320

1218Episode N-th: The Jedi TournamentUSU Championship 20021474321

1116Piecewise Constant FunctionAutumn School Contest 20011445323

2003Simple MagicUral Regional School Programming Contest 2013715323

1934Black SpotUral FU Championship 2012791326

1053PinocchioNEERC 2000 Central Subregional4326327

1156Two RoundsUral Championship 2001. Round 21431327

1998The old PadawanNEERC 2013 Eastern Subregional708328

1246Tethered DogUSU Personal Contest 20031437331

1261TipsAutumn School Contest 20031444332

1282Game TreeNEERC 2003 Central Subregional1435335

1137Bus RoutesNEERC 2001 Central Subregional1390336

1495One-two, One-two 2Autumn School Contest 20061336338

1121BranchesAutumn School Contest 20011372340

1406Next NumberAutumn School Contest 20051441340

1302Delta-waveUral Championship 19981416341

1873GOV ChroniclesUral Regional School Programming Contest 2011841342

1029MinistryUral Championship 19993669343

1078SegmentsWinter Mathematical Festival Varna 20013738344

1992CVSNEERC 2013 Eastern Subregional673344

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012750345

1651Shortest SubchainNEERC 2008 Eastern Subregional1096346

1090In the Army NowUSU Local Contest. March 20013481348

1403CourierAutumn School Contest 20051392352

1008Image EncodingUSTU PhysTech Cup 20004129353

1176HyperchannelsUSU Personal Contest 20021329353

1201Which Day Is It?USU Local Contest. March 20021327354

1574Mathematicians and bracketsAutumn School Contest 20071165356

1431DiplomasUSU Personal Contest 20061332357

1060Flip GameNEERC 20003727359

2113Survive the floodUniversity academic school olympiad in informatics 2019272359

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest1016361

1141RSA Attack1282364

1427SMSTimus Top Coders: First Challenge1309364

1933Guns for Battle!Ural FU Championship 2012701368

1648YachtsAutumn School Contest 20081027369

1140Swamp IncidentNEERC 2001 Central Subregional1261370

1292Mars Space StationsSpring School Contest 20041298371

1793Tray 2Ural Regional School Programming Contest 2010852372

1031Railway TicketsUral Championship 19993868374

1287Mars CanalsUSU Personal Contest 20041287374

1483Table FootballUSU Championship 20061207374

1229Strong BrickworkNEERC 2002 Central Subregional1262375

1039Anniversary PartyUSU Championship 20003807376

1513Lemon TaleTimus Top Coders: Third Challenge1183376

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional841376

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011238377

1262Pseudo-Roman NumberAutumn School Contest 20031257381

1407One-two, One-twoAutumn School Contest 20051283381

1003ParityCentral European Olympiad in Informatics 19993818382

1007Code WordsUSU Championship 19973762387

1410CrackUSU Championship 20051261387

1350CanteenSpring School Contest 20051250390

1259How to Become Star?Autumn School Contest 20031225391

1111SquaresBulgarian Online Contest September 20011187392

1981Parallel and PerpendicularUral FU Championship 2013592392

2108Oleg and Little PoniesUral FU Junior Championship 2016390393

1291Gear-wheelsSpring School Contest 20041222394

1489Points on a ParallelepipedAutumn School Contest 20061143394

1289One Way TicketUSU Personal Contest 20041220395

2021Scarily interesting!NEERC 2014 Eastern Subregional520396

1077Travelling Tours1173397

1941Scary Martian WordUral FU Personal Contest 2012634399

1252Sorting the TombstonesUSU Local Contest. March 20031186401

1055CombinationsNEERC 2000 Central Subregional3487405

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest715405

1416ConfidentialUSU Championship 20051200406

1217Unlucky TicketsUSU Championship 20021158408

1326Bottle TapsUral Championship 2004. Round 21180409

1115ShipsBulgarian Online Contest September 20011130412

1128Partition into GroupsUSU Championship 20011129413

1107Warehouse ProblemTetrahedron Team Online Contest May 20011120414

1279WarehouseNEERC 2003 Central Subregional1156415

1562GM-pineappleUSU Championship 20071001415

1258PoolAutumn School Contest 20031149417

1343Fairy TaleUSU Championship 20041158420

1221Malevich Strikes Back!USU Championship 20021123421

1643Attack of the Dark FortressAutumn School Contest 2008897422

1238FoldingNEERC 20021119424

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest881424

2063Black and WhiteUral Regional School Programming Contest 2015423426

2047MathsUral Championship 2015448428

1904The Lessons of the PastUral Championship 2012604429

1890Money out of Thin AirNEERC 2011 Eastern Subregional666430

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection560430

1015Test the Difference!USU Local Contest. 19993337435

1507Difficult DecisionNEERC 2006 Eastern Subregional1028437

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional655437

1129Door PaintingUSU Championship 20011063438

1316Electronic AuctionUral Championship 2004. Round 11097439

1602ElevatorUSU Personal Contest 2008910440

1759Long-LiversUSU Personal Contest 2010760440

1776Anniversary FireworkUral SU Championship 2010720440

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest656440

1571InterpretersUSU Championship 2007940441

1828Approximation by a ProgressionUSU Personal Contest 2011689441

1181Cutting a Painted PolygonUSU Personal Contest 20021058442

1414Astronomical DatabaseUSU Championship 20051103442

1519Formula 1Timus Top Coders: Third Challenge1003442

1732Ministry of TruthUSU Championship 2009782442

1094E-screenUSU Local Contest. March 20012733443

1783Nuclear Arms RaceUral SU Championship 2010714444

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest458444

1067Disk TreeNEERC 20003002445

1439Battle with You-Know-WhoUral Championship 20061059445

2046The First Day at SchoolUral Championship 2015429446

1019Line PaintingUSU Local Contest. 19993248447

1202Rectangles TravelUSU Local Contest. March 20021044449

1362Classmates 2Ural Championship 2005. Round 21085449

1963KiteUral FU Personal Contest 2013531452

1525PathPetrozavodsk Winter 2007. D.Gozman Contest963454

2109Tourism on MarsUral FU Junior Championship 2016337454

1480CouponsUSU Championship 2006984458

1631Drunk King 2USU Championship 2008828459

1430Crime and PunishmentTimus Top Coders: First Challenge1033460

1273TieUSU Championship 20031031464

1038Spell CheckerUSU Championship 20003077465

1329Galactic HistoryAutumn School Contest 20041042465

2030Awesome Backup SystemUral Regional School Programming Contest 2014439466

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014438467

1089Verification with a VocabularySpring School Contest 20012716469

1700AwakeningUral Championship 2009777469

1901Space ElevatorsUral Championship 2012550470

1774Barber of the Army of MagesUral SU Championship 2010671472

2148Insane ShotUral School Programming Contest 2019178473

1444ElephpotamusUral Championship 2006982479

1577E-mailAutumn School Contest 2007863479

1072RoutingUSU Personal Contest 20012696482

2156Interesting ConversationsUral School Programming Contest 2020116485

1579Coat TransportationAutumn School Contest 2007849487

1900Brainwashing DeviceUral Championship 2012531487

1641DutiesAutumn School Contest 2008775488

1535The Hobbit or There and Back AgainUSU Personal Contest 2007887491

1428Jedi RiddleTimus Top Coders: First Challenge965493

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional416493

1437Gasoline StationUSU Personal Contest 2006957495

1465Pawn GamePetrozavodsk Winter 2006. USU Contest922495

1103Pencils and CirclesTetrahedron Team Online Contest May 2001933496

1189Pairs of IntegersNEERC 2001942497

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional463497

1923Scary PoliticsUral Regional School Programming Contest 2012517498

1158Censored!NEERC 2001 Northern Subregional929502

1212BattleshipAutumn School Contest 2002940502

1236Decoding TaskNEERC 2002939503

1728Curse on Team.GOVUral Regional School Programming Contest 2009683507

1051Simple Game on a GridUSU Local Contest. March 20002781508

1198Jobbery961508

1045Funny GameUSU Local Contest. March 20002760512

1182Team Them Up!NEERC 2001913512

1069Prufer CodeUSU Personal Contest 20012512517

1091Tmutarakan ExamsUSU Local Contest. March 20012339517

1366PresentsUral Championship 2005. Round 2928524

2026Dean and ScheduleUral Regional School Programming Contest 2014389524

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005920528

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019181529

1334CheckersAutumn School Contest 2004907533

1682Crazy ProfessorUSU Personal Contest 2009687533

1098Questions2162534

1995Illegal spicesNEERC 2013 Eastern Subregional429536

1371Cargo AgencyUral Championship 2005. Round 1908537

1056Centers of the NetNEERC 2000 Central Subregional2624538

1421Credit OperationsTimus Top Coders: First Challenge879540

1375Bill CleversUral Championship 2005. Round 1898543

1400Cellular CharactersAutumn School Contest 2005893546

2146Quiz ShowUral School Programming Contest 2019153546

1101Robot in the FieldTetrahedron Team Online Contest May 2001842548

1172Ship RoutesRomanian Online Contest December 2001850548

1358CablesSpring School Contest 2005886548

1325DirtUral Championship 2004. Round 2873551

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional626554

1066GarlandNEERC 20002405555

1600AirportUSU Personal Contest 2008720555

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional559562

1095Nikifor 3USU Local Contest. March 20012149563

1132Square Root826563

1004Sightseeing TripCentral European Olympiad in Informatics 19992570567

2071Juice CocktailsUral Regional School Programming Contest 2015315567

1143Electric PathDSAP Vietnam Online Contest November 2001815571

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest851573

1448Lighting in HogwartsUral Championship 2006820573

1534Football in GondorUSU Personal Contest 2007757574

1871Seismic WavesUral FU Championship 2011491582

1445Christmas giftsUral Championship 2006799588

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014345589

2060Subpalindrome pairsPalindromic Contest 313591

1942Attack at the OrbitUral FU Personal Contest 2012422595

1605Devil's SequenceUSU Personal Contest 2008669597

2143Victoria!Ural School Programming Contest 2019139597

2099Space InvaderUral FU Personal Contest 2014268598

1592Chinese WatchesNEERC 2007 Eastern Subregional686599

1713Key SubstringsNEERC 2009 Eastern Subregional577600

1071Nikifor 2USU Personal Contest 20012160601

1980Road to InvestorUral Championship 2013390604

1729Dead Man's ChestUral Regional School Programming Contest 2009571605

1027D++ AgainAutumn School Contest 20002389606

1314Chase in SubwayUral Championship 2004. Round 1792606

1085MeetingSpring School Contest 20012097607

1309DisputeUral Championship 2004. Round 1791607

2081Faulty dialUral Championship 2016267609

1452Pascal vs. C++Timus Top Coders: Second Challenge764611

1550Dean's Pyramid 3Ural Championship 2007703611

1690Army of MagesPetrozavodsk Winter 2009. USU Contest596612

1701Ostap and PartnersUral Championship 2009591614

1698Square Country 5Petrozavodsk Winter 2009. USU Contest592616

1754Explosion in a PyramidUSU Personal Contest 2010540616

1332Genie BomberAutumn School Contest 2004783617

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest735619

1971Graphics SettingsUral Championship 2013378622

1659Regular TrianglesNEERC 2008 Eastern Subregional600627

1710Boris, You Are Wrong!Ural Championship 2009578627

1064Binary SearchNEERC 20002125628

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest654633

1500Pass LicensesNEERC 2006 Eastern Subregional705634

1706Cipher Message 2Ural Championship 2009570636

1542AutocompletionUral Championship 2007674637

1870Zinium 2Ural FU Championship 2011448637

1061Buffer ManagerNEERC 20002088639

1254Die HardUSU Local Contest. March 2003741639

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009540639

2112Battle logUniversity academic school olympiad in informatics 2019148640

1070Local TimeUSU Personal Contest 20012020642

1760Infernal WorkUSU Personal Contest 2010518642

1891Language OceanNEERC 2011 Eastern Subregional441644

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional398644

1059ExpressionNEERC 2000 Central Subregional2182646

2080WalletUral Championship 2016251646

1054Tower of HanoiNEERC 2000 Central Subregional2171649

1966Cycling RoadsUral FU Personal Contest 2013367649

1884Way to the UniversityUral Regional School Programming Contest 2011438650

1822Hugo II's WarUSU Personal Contest 2011461655

1248Sequence SumUSU Personal Contest 2003716660

1484Film RatingUSU Championship 2006680660

1379Cups TransportationUral Championship 2005. Round 1734663

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest138669

1286Starship TravelUSU Personal Contest 2004715670

1443RailsUral Championship 2006700670

1838Samurai's StrokeUral Championship 2011444672

1564Counting OnesUSU Championship 2007608678

2151MahjongUral School Programming Contest 202080679

1234BricksNEERC 2002693680

2004Scientists from SpilkovoUral Regional School Programming Contest 2013334681

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014297681

1076Trash1882685

1186Chemical ReactionsNEERC 2001679686

1096Get the Right Route Plate!USU Local Contest. March 20011755688

1274Fractional ArithmeticNEERC 2003 Central Subregional693688

1767The House of Doctor DeeUral Championship 2010479688

1253NecrologuesUSU Local Contest. March 2003684691

1803The Czechs' RiflesNEERC 2010 Eastern Subregional452692

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest550695

1174Weird PermutationsRomanian Online Contest December 2001665698

1305Convex HullUral Championship 1998686698

1440Training ScheduleUral Championship 2006669700

1606SlalomUSU Personal Contest 2008569700

1772Ski-Trails for RobotsUral Championship 2010471700

1928Another Ecology ProblemUral Regional School Programming Contest 2012362705

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest637706

1866Poetic FootUral FU Championship 2011403706

1057Amount of DegreesNEERC 2000 Central Subregional1994707

2116He is not a knight for youUniversity academic school olympiad in informatics 2019133707

1611DecimationUral Championship 2008558708

1424MinibusTimus Top Coders: First Challenge667709

1405Goat in the Garden 5Autumn School Contest 2005685710

1169PairsRomanian Online Contest December 2001652712

1250Sea BurialUSU Local Contest. March 2003663713

1088Ilya MurometzSpring School Contest 20011774716

1486Equal SquaresUSU Championship 2006623719

1593Square Country. Version 2509721

1872Spacious OfficeUral FU Championship 2011393724

1168Radio StationsRomanian Online Contest December 2001639726

2153Perfect SquadUral School Programming Contest 202074727

1268Little ChuUSU Championship 2003653729

1962In Chinese RestaurantUral FU Personal Contest 2013325730

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest125733

1159FenceNEERC 2001 Northern Subregional631735

1301Cube in LabyrinthUral Championship 1998647740

1230Introspective ProgramNEERC 2002 Central Subregional630746

1456Jedi Riddle 2Timus Top Coders: Second Challenge622748

1633HippogriffsUSU Championship 2008504748

2009Canteen LineUral Regional School Programming Contest 2013302751

1235Cricket FieldNEERC 2002624754

1392Dreaming of Stars641758

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014265760

1147Shaping RegionsDSAP Vietnam Online Contest November 2001608762

1716Alternative SolutionNEERC 2009 Eastern Subregional451764

1342EnterpriseUSU Championship 2004632765

1939First SealUral FU Championship 2012331766

1940Not So Simple YearsUral FU Championship 2012331766

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest261766

1276TrainNEERC 2003 Central Subregional620768

2130Alice + BobLater is better than never112772

1034Queens in Peaceful PositionsUral Championship 19991858776

2048HistoryUral Championship 2015242777

1277Cops and ThievesNEERC 2003 Central Subregional609781

1016Cube on the WalkUSU Local Contest. 19991835789

1755CakeUSU Personal Contest 2010418792

1042Central HeatingUSU Championship 20001789798

1773Metro to Every HomeUral Championship 2010411800

1587Flying PigNEERC 2007 Eastern Subregional510802

2114My craftUniversity academic school olympiad in informatics 2019116803

1647Divide an Island!Autumn School Contest 2008466805

1105Observers ColoringTetrahedron Team Online Contest May 2001570806

1629TripUSU Championship 2008467806

1323ClassmatesUral Championship 2004. Round 2591809

1961Cantonese DialectUral FU Personal Contest 2013292810

1943Space RummyUral FU Personal Contest 2012307811

1614National Project “Trams”Ural Championship 2008485813

1892Morning in KoltsovoNEERC 2011 Eastern Subregional345818

1436BillboardUSU Personal Contest 2006569827

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest538833

2152Tax FeesUral School Programming Contest 202063837

2064CaterpillarsUral Regional School Programming Contest 2015210838

1269Obscene Words FilterUSU Championship 2003566839

2089Experienced coachUral Championship 2016191839

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest539840

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest490841

1512ZiniumTimus Top Coders: Third Challenge522842

1547Password SearchUral Championship 2007507842

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional239844

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest396845

1903Unidentified ShipsUral Championship 2012301847

2074Timus problems classifierQualification of Eastern Subregional 2015197849

2135Pauline and commitsLater is better than never101849

1646Godzilla Strikes Back!Autumn School Contest 2008441850

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional299851

1030TitanicUral Championship 19991687854

1373Pictura ex MachinaUral Championship 2005. Round 1567855

1896War Games 2.1190856

2129Mortgage in Far Away KingdomLater is better than never100856

1825Ifrit Bomber 2USU Personal Contest 2011350857

1780Gray CodeUral SU Championship 2010362864

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest418866

1498Stroke at Full SpeedAutumn School Contest 2006514867

2128Rubina's SolitaireLater is better than never98872

1578Mammoth HuntAutumn School Contest 2007469874

1775Space BowlingUral SU Championship 2010358874

1830Help in the RNOSUral Championship 2011339874

1832Arirang ShowUral Championship 2011339874

1154Mages ContestUral Championship 2001. Round 2528875

1422FirefliesTimus Top Coders: First Challenge538876

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest493878

1689Fisherman and BarbellUSU Personal Contest 2009413879

1398Bishop and Pawn497881

1546Japanese SortingUral Championship 2007484882

2155QuadrocopterUral School Programming Contest 202059885

1580Dean's DebtsAutumn School Contest 2007462886

2110Remove or MaximizeUral FU Junior Championship 2016167889

1165SubnumberNEERC 2001 Northern Subregional518892

1932The Secret of IdentifierUral FU Championship 2012283892

1339BabiesUSU Championship 2004540893

1705Gangster HaresUral Championship 2009402895

1418Military StoryUSU Championship 2005538897

1570Eating HighUSU Championship 2007454903

2106DeserializationUral FU Junior Championship 2016164904

1875Angry BirdsUral Regional School Programming Contest 2011311907

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest452910

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest365915

1575Yekaterinburg Subway 2Autumn School Contest 2007447916

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional337922

1130Nikifor's WalkUSU Championship 2001497927

2140BitMazeCraftUral School Programming Contest 201986927

1175Strange SequenceUSU Personal Contest 2002499928

1324Extra SpacesUral Championship 2004. Round 2514928

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest305931

1245PicturesUSU Personal Contest 2003504933

1738Computer SecurityUSU Championship 2009364937

1006Square FramesUSU Championship 19971545939

1990PodracingNEERC 2013 Eastern Subregional240941

1233Amusing NumbersNEERC 2002497942

1720Summit Online JudgeNEERC 2009 Eastern Subregional364942

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012267947

2008SwiftyUral Regional School Programming Contest 2013237948

1994The Emperor's planNEERC 2013 Eastern Subregional237953

1715Another Ball KillerNEERC 2009 Eastern Subregional359954

1364LaraKillerUral Championship 2005. Round 2505955

1237Evacuation PlanNEERC 2002489959

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest93961

1965Pear TreesUral FU Personal Contest 2013243967

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection243969

1278“… Connecting People”NEERC 2003 Central Subregional487973

1040Airline CompanyUSU Championship 20001459977

1569Networking the “Iset”USU Championship 2007419977

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest309979

1630TalismanUSU Championship 2008382981

1435Financial ErrorUSU Personal Contest 2006476985

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest369993

1331VladislavaAutumn School Contest 2004481996

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest452998

1608Lucky Tickets 2008Ural Championship 2008393998

1863Peaceful AtomUral FU Championship 2011282999

1824Ifrit BomberUSU Personal Contest 20112981001

1451Beerhouse TaleTimus Top Coders: Second Challenge4611004

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2781009

1927Herbs and MagicUral Regional School Programming Contest 20122501009

1434Buses in VasyukiUSU Personal Contest 20064641010

1447Portkey NetworkUral Championship 20064611010

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest3741014

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest4391017

2092BoleroUral FU Personal Contest 20141531020

1761Binary PalindromeUSU Personal Contest 20103171037

1151RadiobeaconsUral Championship 2001. Round 24431040

1591Abstract ThinkingNEERC 2007 Eastern Subregional3911040

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3461041

1905Travel in TimeUral Championship 20122431041

2103Corporate MailUral FU Junior Championship 20161411042

1988Planet Ocean LandingUral FU Championship 20132161043

1518Jedi Riddle 3Timus Top Coders: Third Challenge4191045

1533Fat HobbitsUSU Personal Contest 20074101048

1986Paul’s SaladsUral FU Championship 20132151048

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest1881049

21504B and ZooUral School Programming Contest 2020481053

1173Lazy SnailRomanian Online Contest December 20014371054

1317HailUral Championship 2004. Round 24511055

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4211059

1974Similar TunesUral Championship 20132181059

1936RoshamboUral FU Championship 20122361062

1627JoinPetrozavodsk Winter 2008. ITMO Contest3561064

1539Intelligence DataUSU Personal Contest 20073991077

1540Battle for the RingUSU Personal Contest 20073971082

1836Babel FishUral Championship 20112711085

1310ACM DiagnosticsUral Championship 2004. Round 14371088

1730ManBearPigUral Regional School Programming Contest 20093111095

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291100

1827Indigenous WarsUSU Personal Contest 20112691105

2157SkydivingUral School Programming Contest 2020451111

1996Cipher Message 3NEERC 2013 Eastern Subregional2011115

1970皇后像廣場Ural FU Personal Contest 20132091117

1784RoundersUral SU Championship 20102771120

1341DeviceUSU Championship 20044271124

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest781124

1768Circular StringsUral Championship 20102881130

1883Ent's BirthdayUral Regional School Programming Contest 20112471132

1099Work Scheduling9551139

1441From the History of Gringotts BankUral Championship 20064071141

1937Davy Jones’s OrganUral FU Championship 20122191141

1595Perfect Sequence3081143

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4211144

1393Average Common Prefix4171145

1037Memory ManagementUSU Championship 200012391150

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest761151

1736Chinese HockeyUSU Championship 20092941152

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3721156

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3531158

1921Chaos and OrderUral Regional School Programming Contest 20122161161

1862Very Wealthy MoleUral FU Championship 20112411162

1948The Robot on the LineUral FU Personal Contest 20122111163

1511Fiscal OperationsTimus Top Coders: Third Challenge3731170

1976Game OptimizationUral Championship 20131951178

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2811179

1357Teakettle 1.0 for DummiesSpring School Contest 20054061181

1408Polynomial MultiplicationAutumn School Contest 20054071183

1453QueenTimus Top Coders: Second Challenge3861194

1359ConstructionSpring School Contest 20053991201

1458War GamesTimus Top Coders: Second Challenge3821206

1544Classmates 3Ural Championship 20073511206

1979Resources DistributionUral Championship 20131901207

1687Numismatics for FunUSU Personal Contest 20092971211

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2321212

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3701213

1419Maps of the Island WorldsUSU Championship 20053941217

1177Like ComparisonsUSU Personal Contest 20023771221

1907Coffee and BunsUral Championship 20122051225

2017Best of a bad lotNEERC 2014 Eastern Subregional1611229

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2931248

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2251248

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141231250

2134StampmanLater is better than never651256

1487Chinese FootballUSU Championship 20063521258

1171Lost in SpaceRomanian Online Contest December 20013641260

1538Towers of GuardUSU Personal Contest 20073391262

1307ArchiverUral Championship 2004. Round 13721273

1722Observation DeckUral Regional School Programming Contest 20092661274

1790Searching for the TruthUral Regional School Programming Contest 20102401284

2059Not common palindromesPalindromic Contest 1371299

1360Philosophical DisputeUral Championship 2005. Round 23661308

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2521310

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3081312

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest651319

1035Cross-stitchUral Championship 199910821324

1097Square Country 2USU Local Contest. March 20019041329

1766Humpty DumptyUral Championship 20102431330

1879GOV-internship 2Ural Regional School Programming Contest 20112081335

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2711339

1949The Best Picture in the GalaxyUral FU Personal Contest 20121821339

1669Universal WordPetrozavodsk Winter 2008. USU Contest2721341

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102291343

1321Floor IndicatorUral Championship 2004. Round 23521344

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3181347

2052Physical EducationUral Championship 20151351350

1065FrontierNEERC 20009771358

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2201358

2055Urban GeographyUral Championship 20151341360

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3251363

1328FireballAutumn School Contest 20043461374

1050Preparing an ArticleUSU Local Contest. March 200010161383

1807Cartridges for MaximNEERC 2010 Eastern Subregional2211384

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3081389

1281River BasinNEERC 2003 Central Subregional3381390

1347BlogSpring School Contest 20053431392

2107Oppa Funcan StyleUral FU Junior Championship 20161031393

1345HTMLUSU Championship 20043421395

1240Heroes of Might and MagicNEERC 20023291410

1318LogarithmUral Championship 2004. Round 23351410

1686Photovoltaic SpaceshipUSU Personal Contest 20092501430

1657Cube SnakeNEERC 2008 Eastern Subregional2561438

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1341442

1311Stable ConstructionUral Championship 2004. Round 13261447

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2331449

1499KerchiefsAutumn School Contest 20063021457

1449Credit Operations 2Timus Top Coders: Second Challenge3131464

1266Kirchhoff's LawUSU Championship 20033201465

1170DesertRomanian Online Contest December 20013111468

1968Glass PyramidUral FU Personal Contest 20131561473

1378Artificial IntelligenceUral Championship 2005. Round 13241477

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest571477

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2521486

1299PsyloniansSpring School Contest 20043161490

1412Autumn TideUSU Championship 20053201490

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1871491

1983Nectar GatheringUral FU Championship 20131471502

1251Cemetery ManagerUSU Local Contest. March 20033081508

1265MirrorUSU Championship 20033091516

2132Graph Decomposition. Version 2Later is better than never521519

1337BureaucracyAutumn School Contest 20043111524

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1941531

1488ACM PokerUSU Championship 20062851543

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3081551

2101Knight's ShieldUral FU Junior Championship 2016911558

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2311561

1947MeanderUral FU Personal Contest 20121541568

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2081574

2058100500 palidnromesPalindromic Contest 1101592

1043Cover an ArcUSU Championship 20008871601

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1731603

1762Search for a Hiding-PlaceUSU Personal Contest 20102011607

1508Japanese PuzzleNEERC 2006 Eastern Subregional2701618

2147City BuildingUral School Programming Contest 2019451618

1568Train Car SortingUSU Championship 20072451643

1285Thread in a HyperspaceUSU Personal Contest 20042851646

1241Inlay CuttersNEERC 20022801649

1770The Party of Ural ChampionsUral Championship 20101931658

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2671664

1485Football and LieUSU Championship 20062611680

2085Magic ProgrammerUral Championship 2016901686

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131687

1946Chinese Hockey 3Ural FU Personal Contest 20121421691

1397Points Game2591698

1764TranssibUral Championship 20101881700

1257HyphenationAutumn School Contest 20032731708

2007Mutants versus MachinesUral Regional School Programming Contest 20131271710

1425Queen 2Timus Top Coders: First Challenge2701715

1148Building TowersDSAP Vietnam Online Contest November 20012641718

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1431718

1516NostalgiaTimus Top Coders: Third Challenge2481737

1565The Duel for ThreeUSU Championship 20072301746

1703Robotic ArmUral Championship 20092011747

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2721749

1503PolynomialNEERC 2006 Eastern Subregional2491749

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301752

1338AutomobilesUSU Championship 20042691760

1985Prime SquareUral FU Championship 20131241760

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1551761

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1291763

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest2011783

1514National ParkTimus Top Coders: Third Challenge2411785

1062TriathlonNEERC 20007361796

1670AsteriskPetrozavodsk Summer 2008. USU Contest1971817

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1641838

1046Geometrical DreamsUSU Local Contest. March 20007591845

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2291848

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012431860

1267Yekaterinburg SubwayUSU Championship 20032501860

1583CheeseNEERC 2007 Eastern Subregional2141862

1707Hypnotoad's SecretUral Championship 20091881862

1420Integer-Valued Complex DivisionUSU Championship 20052531869

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921872

1950Martian FarmlandsUral FU Personal Contest 20121261890

1304ParallelepipedUral Championship 19982471891

1315MDPAR and MIIARUral Championship 2004. Round 12461900

1610CactusesUral Championship 20082011907

1163ChapaevNEERC 2001 Northern Subregional2361915

1417Space Poker 2USU Championship 20052461920

1908Brute-force SearchUral Championship 20121271923

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1851939

1093DartsUSU Local Contest. March 20016151943

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1251947

1886Trip 2NEERC 2011 Eastern Subregional1391950

1802Cube PuzzleNEERC 2010 Eastern Subregional1531962

1396Maximum. Version 22291970

1655Somali PiratesNEERC 2008 Eastern Subregional1841972

1492Vasya's Dad 2Autumn School Contest 20062201976

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1481976

1615Tram SolitaireUral Championship 20081931982

1782Jack's New WordUral SU Championship 20101521985

1841CablewaysPetrozavodsk Summer 2010. USU Contest1381985

1781Clean CodeUral SU Championship 20101511997

2136John vs SantaLater is better than never372004

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1612007

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1612007

1532Lost in TranslationUSU Personal Contest 20072092011

1455Freedom of SpeechTimus Top Coders: Second Challenge2242020

1739FaryuksUSU Championship 20091632025

2154Flight on a CannonballUral School Programming Contest 2020202036

1075Thread in a SpaceUSU Personal Contest 20016292039

1187Statistical TroubleNEERC 20012202055

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22292058

1895Steaks on BoardNEERC 2011 Eastern Subregional1312060

1074Very Short ProblemUSU Personal Contest 20016192072

1216Two Pawns and One KingUSU Championship 20022202074

1597Chernobyl’ Eagle on a Roof. Version 2932075

1734Endgame DatabaseUSU Championship 20091582085

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest892097

1702CrossroadUral Championship 20091632131

1717Eligibility RulesNEERC 2009 Eastern Subregional1552135

1541ChaseUSU Personal Contest 20071962138

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2132140

2133Terms of referenceLater is better than never342141

1833Hopes of RowingUral Championship 20111322148

1188LibraryNEERC 20012102149

1063Domino PuzzleNEERC 20006132150

2097Snowboarding on SpilnayaUral FU Personal Contest 2014672159

1634Spider MiteUSU Championship 20081672172

1757Gold BarsUSU Personal Contest 20101452187

1543Dance RevolutionUral Championship 20071892188

1831Tsyfirkin's LessonUral Championship 20111292194

1041NikiforUSU Championship 20006322237

1092TransversalUSU Local Contest. March 20015332237

1977Energy WallUral Championship 2013972256

1504Good MannersNEERC 2006 Eastern Subregional1902265

1256Cemetery GuardUSU Local Contest. March 20032002284

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection972290

1288AstrolocationUSU Personal Contest 20042022291

1599Winding Number712294

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest802307

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection962312

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1172313

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1242330

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest792333

1284Space PokerUSU Personal Contest 20041962357

1481Winning ChancesUSU Championship 20061832359

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1142365

1549Another Japanese PuzzleUral Championship 20071742367

1395Pascal vs. C++. Version 21892373

1270UnicubeUSU Championship 20031932382

1232Asteroid LandingNEERC 2002 Central Subregional1902386

1867NanotechnologiesUral FU Championship 20111112410

1275Knights of the Round TableNEERC 2003 Central Subregional1892431

1839The MentaculusUral Championship 20111152440

2083The Guardian of TraditionsUral Championship 2016592443

1368Goat in the Garden 3Ural Championship 2005. Round 21892471

1454Rectangles 2Timus Top Coders: Second Challenge1782515

1520Empire Strikes BackTimus Top Coders: Third Challenge1672532

1882Old NokiaUral Regional School Programming Contest 20111022599

1652Banking CrisisNEERC 2008 Eastern Subregional1372602

1969Hong Kong TramUral FU Personal Contest 2013832630

1429BiscuitsTimus Top Coders: First Challenge1722639

1758Bald Spot Revisited 2USU Personal Contest 20101162691

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1062692

1850Space TourismPetrozavodsk Summer 2010. USU Contest992695

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015542745

20503D-modelingUral Championship 2015612758

1609Tram TileUral Championship 20081342794

1058ChocolateNEERC 2000 Central Subregional4932808

1300TaxesUral Championship 19981632810

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest252827

1308Dean's PyramidUral Championship 2004. Round 11622828

1505Oil TransferNEERC 2006 Eastern Subregional1502832

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1382841

1735Theft of the CenturyUSU Championship 20091132848

2096All InclusiveUral FU Personal Contest 2014482866

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182895

1978E-LiteUral Championship 2013732909

1464LightPetrozavodsk Winter 2006. USU Contest1482918

1835Swamp DoctorUral Championship 2011942933

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1162941

1312TrayUral Championship 2004. Round 11552947

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1182954

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1423004

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073010

1438Time Limit ExceededUSU Personal Contest 20061493011

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773022

1239Ghost BustersNEERC 20021483024

1945Many-armed BrothersUral FU Personal Contest 2012753025

1367Top SecretUral Championship 2005. Round 21523036

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1183042

1798Fire Circle. Version 2523057

1566Triangular PostcardsUSU Championship 20071273059

2049ChemistryUral Championship 2015543059

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest923061

1704DemodulationUral Championship 20091093098

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection693102

141140 Islands KnightsUSU Championship 20051483112

2061OEIS A216264Palindromic Contest 513131

1865The Island of MärketUral FU Championship 2011833135

1972Game TestingUral Championship 2013673136

1829Routing TablesUSU Personal Contest 2011883147

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1363158

1482Triangle GameUSU Championship 20061343161

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1063195

1637Triangle Game 2USU Championship 20081093230

1442Floo PowderUral Championship 20061373236

2084Technical debtUral Championship 2016423242

2053BiologyUral Championship 2015503263

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1083300

2022Riding a ToadNEERC 2014 Eastern Subregional523389

1509Domino RecognitionNEERC 2006 Eastern Subregional1203485

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection603501

1166Funny Card GameNEERC 2001 Northern Subregional1283502

1199Mouse1173516

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1303523

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest183534

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593552

2087TrainsUral Championship 2016373587

2057Non-palidromic cuttingPalindromic Contest 433604

1681Brother Bear's GardenUSU Personal Contest 2009933610

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest853613

2006Kirill the GardenerUral Regional School Programming Contest 2013543660

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest703666

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1083743

2051PhysicsUral Championship 2015423765

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest653910

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest653916

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063936

1616Square Country 4Ural Championship 2008923945

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest693953

1765Error 404Ural Championship 2010753960

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1104110

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1014113

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest144123

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest404153

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534173

1460WiresPetrozavodsk Winter 2006. USU Contest994229

1778Chinese Hockey 2Ural SU Championship 2010664230

2139Experiment with JuiceUral School Programming Contest 2019114239

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional524240

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894247

1661DodecahedronPetrozavodsk Winter 2008. USU Contest794248

1632LasersUSU Championship 2008804271

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814279

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest584313

1799Sasha and swag strings334317

1909Space ReconUral Championship 2012514319

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest384326

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest624337

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest574384

1975Model of the EarthUral Championship 2013454390

1834Tennis RacketUral Championship 2011584485

1598DSA Attack374510

1344Gigantic TurnipUSU Championship 2004984546

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544590

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest724611

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894612

1271Sailing DirectionsUSU Championship 2003944649

1938Caribbean TriangleUral FU Championship 2012464666

1733Forgotten TechnologyUSU Championship 2009654671

1897Alice and Bob and a string144738

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest714808

2079Memory leaksUral Championship 2016254817

1594Aztec Treasure654850

1365Testing CalculatorUral Championship 2005. Round 2914869

2131Open CupLater is better than never94957

1340CucarachaUSU Championship 2004894959

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest894982

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection385106

1426RectanglesTimus Top Coders: First Challenge845109

2086Find DenisUral Championship 2016235109

2090Crossroads of DestinyUral FU Personal Contest 2014225195

2137Dynamic string complexityLater is better than never85232

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest845247

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest775248

1763Expert FleaUral Championship 2010545259

1967Programmer CasinoUral FU Personal Contest 2013365316

1801The Revolution CupNEERC 2010 Eastern Subregional505330

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635335

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest595371

1848Fly HuntPetrozavodsk Summer 2010. USU Contest445440

1797Summit Online Judge. Version 2385519

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585560

1363HalftonesUral Championship 2005. Round 2785588

1973Location GeneratorUral Championship 2013325749

2088Nostalgic EveningUral Championship 2016195774

1372Death StarUral Championship 2005. Round 1745871

1771A Deputy's MorningUral Championship 2010475905

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535971

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526068

2094Thousand ImpsUral FU Personal Contest 2014176157

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest236292

1842Local RootsPetrozavodsk Summer 2010. USU Contest366386

2077ReductionsQualification of Eastern Subregional 2015176507

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486519

1999The secret moduleNEERC 2013 Eastern Subregional266535

1653Death ConveyorNEERC 2008 Eastern Subregional466830

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356939

1536Delights of Pipe-weedUSU Personal Contest 2007536990

2076VasianaQualification of Eastern Subregional 2015157027

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional447084

1906The Lost CivilizationUral Championship 2012277120

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest317152

2054AstronomyUral Championship 2015177251

2082PokerUral Championship 2016127644

2016Magic and ScienceNEERC 2014 Eastern Subregional177781

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407789

1432Twofold LuckUSU Personal Contest 2006517848

1840Victim of AdvertisingUral Championship 2011248970

1415Mobile LifeUSU Championship 2005449102

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359343

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349555

1596Knight Mare199661

1376Dean's Pyramid 2Ural Championship 2005. Round 1419670

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419672

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409865

1399Economical Director3210628

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410899

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411064

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211138

1708Sum of Digits 2Ural Championship 20092211521

1374MisereUral Championship 2005. Round 13211742

1369Cockroach RaceUral Championship 2005. Round 22713291

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313383

1548Sakura and StatisticsUral Championship 20071716129

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016442

1589SokobanNEERC 2007 Eastern Subregional1119860

1394Ships. Version 21420553