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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem10366216

1068Sum3810937

1293EniyaSpring School Contest 20043442715

1409Two GangstersAutumn School Contest 20053297915

1001Reverse Root3244914

1264WorkdaysAutumn School Contest 20032363421

1025Democracy in DangerAutumn School Contest 20002271267

1785Lost in LocalizationUral Regional School Programming Contest 20102183916

1083Factorials!!!Spring School Contest 20011977067

1005Stone PileUSU Championship 19971931679

1197Lonesome KnightSpring School Contest 20021768028

1877Bicycle CodesUral Regional School Programming Contest 20111676119

1009K-based NumbersUSU Championship 19971622493

1014Product of DigitsUSU Local Contest. 19991618993

1020RopeAutumn School Contest 20001526899

1313Some Words about SportUral Championship 2004. Round 11478034

2012About Grisha N.NEERC 2014 Eastern Subregional1456216

12091, 10, 100, 1000...Autumn School Contest 20021440534

1787Turn for MEGAUral Regional School Programming Contest 20101399425

1225FlagsNEERC 2002 Central Subregional1394335

1820Ural SteaksUSU Personal Contest 20111329525

1319HotelUral Championship 2004. Round 21299639

1639Chocolate 2Autumn School Contest 20081267132

1086CryptographySpring School Contest 200112594105

1044Lucky Tickets. Easy!USU Championship 200012398120

2001Mathematicians and BerriesUral Regional School Programming Contest 20131226221

1079MaximumWinter Mathematical Festival Varna 200112190110

1263ElectionsAutumn School Contest 20031174343

1585PenguinsNEERC 2007 Eastern Subregional1150538

1100Final StandingsTetrahedron Team Online Contest May 20011106244

1567SMS-spamUSU Championship 20071093340

1327FusesAutumn School Contest 20041089246

1581TeamworkAutumn School Contest 20071087340

1022Genealogical TreeAutumn School Contest 200010802140

1082Gaby IvanushkaSpring School Contest 200110781123

1880Psych Up's EigenvaluesUral Regional School Programming Contest 20111057830

1021Sacrament of the SumAutumn School Contest 200010381145

1243Divorce of the Seven DwarfsUSU Personal Contest 20031010949

1349FarmSpring School Contest 20051007850

1493One Step from HappinessAutumn School Contest 20061006247

1017StaircasesUSU Local Contest. 19999726155

1026Questions and AnswersAutumn School Contest 20009713155

1496SpammerAutumn School Contest 2006970249

1073Square CountryUSU Personal Contest 20019549142

1110PowerBulgarian Online Contest September 2001935052

1607TaxiUSU Personal Contest 2008924946

1196History ExamSpring School Contest 2002918553

1545HieroglyphsUral Championship 2007909550

1084Goat in the GardenSpring School Contest 20018913149

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional876433

1012K-based Numbers. Version 28570176

1563BayanUSU Championship 2007818754

1149Sinus Dances816160

2066Simple ExpressionUral Regional School Programming Contest 2015783327

1924Four ImpsUral Regional School Programming Contest 2012780637

1296HyperjumpSpring School Contest 2004771865

1224SpiralNEERC 2002 Central Subregional749266

1048Superlong SumsUSU Local Contest. March 20007457197

1457Heating MainTimus Top Coders: Second Challenge727767

1023ButtonsAutumn School Contest 20007115212

1636Penalty TimeUSU Championship 2008692458

1654Cipher MessageNEERC 2008 Eastern Subregional689558

1119MetroAutumn School Contest 2001683871

1002Phone NumbersCentral European Olympiad in Informatics 19996791223

1080Map ColoringWinter Mathematical Festival Varna 20016709199

2100Wedding DinnerUral FU Junior Championship 2016667228

1617Flat SpotsUral Championship 2008662264

1106Two TeamsTetrahedron Team Online Contest May 2001652874

1033LabyrinthUral Championship 19996461233

1131CopyingUSU Championship 2001645576

1502Domino DotsNEERC 2006 Eastern Subregional643173

2023Donald is a postmanNEERC 2014 Eastern Subregional637037

1290SabotageSpring School Contest 2004634779

1404Easy to Hack!Autumn School Contest 2005634480

1139City BlocksNEERC 2001 Central Subregional634077

1052Rabbit HuntUSU Local Contest. March 20006321233

1638BookwormUSU Championship 2008623465

1011ConductorsUSU Championship 19976214244

1146Maximum SumDSAP Vietnam Online Contest November 2001617379

1297PalindromeSpring School Contest 2004617281

1723Sandro's BookUral Regional School Programming Contest 2009610261

1049Brave BalloonistsUSU Local Contest. March 20006005245

1194HandshakesSpring School Contest 2002599782

1203Scientific ConferenceUSU Local Contest. March 2002598882

1876Centipede's MorningUral Regional School Programming Contest 2011598053

1991The battle near the swampNEERC 2013 Eastern Subregional575045

1028StarsUral Championship 19995717263

1370MagicianUral Championship 2005. Round 2566390

1180Stone GameUSU Personal Contest 2002560287

1120Sum of Sequential NumbersAutumn School Contest 2001559987

1837Isenbaev's NumberUral Championship 2011556559

1893A380NEERC 2011 Eastern Subregional549957

1018Binary Apple TreeUSU Local Contest. 19995475276

1510OrderNEERC 2006 Eastern Subregional544287

1446Sorting HatUral Championship 2006543591

2056ScholarshipUral Championship 2015537841

1161StripiesNEERC 2001 Northern Subregional537691

1126Magnetic StormsUSU Championship 2001533591

1881Long problem statementUral Regional School Programming Contest 2011532759

1010Discrete FunctionUSTU PhysTech Cup 20005297286

1330IntervalsAutumn School Contest 2004526096

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001516794

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20015068264

1036Lucky Tickets5001301

1047Simple CalculationsUSU Local Contest. March 20004995295

1136ParliamentNEERC 2001 Central Subregional493299

1353Milliard Vasya's FunctionSpring School Contest 20054901104

1087The Time to Take StonesSpring School Contest 20014896271

1214Strange ProcedureAutumn School Contest 20024885101

1024PermutationsAutumn School Contest 20004806314

1118Nontrivial NumbersAutumn School Contest 20014729103

1601AntiCAPSUSU Personal Contest 2008470090

1494MonobilliardsAutumn School Contest 20064692101

1228ArrayNEERC 2002 Central Subregional4629107

1192Ball in a DreamSpring School Contest 20024529108

1712Cipher GrilleNEERC 2009 Eastern Subregional451483

1260Nudnik PhotographerAutumn School Contest 20034510111

1053PinocchioNEERC 2000 Central Subregional4392334

1226esreveR redrONEERC 2002 Central Subregional4392112

1032Find a MultipleUral Championship 19994381299

1925British Scientists Save the WorldUral Regional School Programming Contest 2012437666

1283DwarfUSU Personal Contest 20044279117

1792Hamming CodeUral Regional School Programming Contest 2010426780

16421D MazeAutumn School Contest 2008423695

1008Image EncodingUSTU PhysTech Cup 20004204360

1336Problem of Ben BetsalelAutumn School Contest 20044181121

1219Symbolic SequenceUSU Championship 20024163119

1573AlchemyAutumn School Contest 20074123106

1644A Whole Lot of WalnutsAutumn School Contest 2008411398

1123SalaryAutumn School Contest 20014039121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024004122

2025Line FightingUral Regional School Programming Contest 2014400059

1402CocktailsAutumn School Contest 20053972128

1003ParityCentral European Olympiad in Informatics 19993950384

1031Railway TicketsUral Championship 19993947381

1352Mersenne PrimesSpring School Contest 20053912130

1039Anniversary PartyUSU Championship 20003911381

1207Median on the PlaneUSU Local Contest. March 20023869127

1078SegmentsWinter Mathematical Festival Varna 20013838348

1007Code WordsUSU Championship 19973827396

2002Test TaskUral Regional School Programming Contest 2013381168

1935Tears of DrownedUral FU Championship 2012379275

1060Flip GameNEERC 20003788367

1029MinistryUral Championship 19993757348

1354Palindrome. Again PalindromeSpring School Contest 20053664138

1731DillUral Regional School Programming Contest 20093662102

1582BookmakersNEERC 2007 Eastern Subregional3631120

1167Bicolored HorsesRomanian Online Contest December 20013603135

1067Disk TreeNEERC 20003581388

1055CombinationsNEERC 2000 Central Subregional3553413

1280Topological SortingNEERC 2003 Central Subregional3514142

1222Chernobyl’ EaglesUSU Championship 20023499141

1090In the Army NowUSU Local Contest. March 20013498360

1306Sequence MedianUral Championship 19983485144

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest3423116

1015Test the Difference!USU Local Contest. 19993383446

1272Non-Yekaterinburg SubwayUSU Championship 20033362149

1295Crazy NotionsSpring School Contest 20043341150

1506Columns of NumbersNEERC 2006 Eastern Subregional3337141

1178Akbardin’s RoadsUSU Personal Contest 20023309148

1019Line PaintingUSU Local Contest. 19993302457

2035Another Dress RehearsalUral Regional School Programming Contest 2014329072

1521War Games 2Timus Top Coders: Third Challenge3285142

1786Sandro's BiographyUral Regional School Programming Contest 20103271105

1796Amusement ParkUral Regional School Programming Contest 20103252105

1142RelationsDSAP Vietnam Online Contest November 20013207152

1152False MirrorsUral Championship 2001. Round 23139155

1038Spell CheckerUSU Championship 20003121477

1572Yekaterinozavodsk Great WellAutumn School Contest 20073033144

1210Kind SpiritsAutumn School Contest 20023029163

1135RecruitsNEERC 2001 Central Subregional3028161

1613For Fans of StatisticsUral Championship 20083025139

1586Threeprime NumbersNEERC 2007 Eastern Subregional3022144

1688Team.GOV!USU Personal Contest 20093018130

1576Telephone TariffsAutumn School Contest 20073017145

1160NetworkNEERC 2001 Northern Subregional3007164

1112CoverBulgarian Online Contest September 20012986163

1683FridgeUSU Personal Contest 20092968132

2005Taxi for ProgrammersUral Regional School Programming Contest 2013296687

1213Cockroaches!Autumn School Contest 20022929168

2031Overturned NumbersUral Regional School Programming Contest 2014292380

1450Russian PipelinesTimus Top Coders: Second Challenge2914168

1102Strange DialogTetrahedron Team Online Contest May 20012885168

1711Code NamesNEERC 2009 Eastern Subregional2879130

1423String TaleTimus Top Coders: First Challenge2878172

1413Mars JumperUSU Championship 20052865177

1604Country of FoolsUSU Personal Contest 20082865148

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2853166

1612Tram ForumUral Championship 20082852148

1045Funny GameUSU Local Contest. March 20002849516

1777AnindilyakwaUral SU Championship 20102835121

1401GamersAutumn School Contest 20052829180

1051Simple Game on a GridUSU Local Contest. March 20002822521

1335White ThesisAutumn School Contest 20042815179

1094E-screenUSU Local Contest. March 20012782452

1303Minimal CoverageUral Championship 19982773181

1242WerewolfUSU Personal Contest 20032763179

1072RoutingUSU Personal Contest 20012742492

1725Sold Out!Ural Regional School Programming Contest 20092715137

1193Queue at the ExamSpring School Contest 20022713180

1348Goat in the Garden 2Spring School Contest 20052712187

1726VisitsUral Regional School Programming Contest 20092711137

1740Deer is Better!USU Championship 20092707137

2011Long StatementUral Regional School Programming Contest 2013269696

1056Centers of the NetNEERC 2000 Central Subregional2693544

1155TroubleduonsUral Championship 2001. Round 22675182

1902Neo-VeniceUral Championship 20122624110

1004Sightseeing TripCentral European Olympiad in Informatics 19992612580

1069Prufer CodeUSU Personal Contest 20012609517

1114BoxesBulgarian Online Contest September 20012558190

1709Penguin-AviaUral Championship 20092536153

1134CardsNEERC 2001 Central Subregional2509194

1183Brackets SequenceNEERC 20012490196

1157Young TilerUral Championship 2001. Round 22458198

1322SpyUral Championship 2004. Round 22447205

1066GarlandNEERC 20002442568

1138Integer PercentageNEERC 2001 Central Subregional2428200

1027D++ AgainAutumn School Contest 20002421622

1355Bald Spot RevisitedSpring School Contest 20052405211

1091Tmutarakan ExamsUSU Local Contest. March 20012399524

1164FillwordNEERC 2001 Northern Subregional2397203

1490Fire CircleAutumn School Contest 20062395197

2033DevicesUral Regional School Programming Contest 20142341100

2018The Debut AlbumNEERC 2014 Eastern Subregional2337101

1640Circle of WinterAutumn School Contest 20082336172

1333Genie Bomber 2Autumn School Contest 20042330216

1208Legendary Teams ContestUSU Local Contest. March 20022305212

1249Ancient NecropolisUSU Local Contest. March 20032291216

1590Bacon’s CipherNEERC 2007 Eastern Subregional2289190

1054Tower of HanoiNEERC 2000 Central Subregional2282642

1491Unreal StoryAutumn School Contest 20062251209

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102225154

1059ExpressionNEERC 2000 Central Subregional2211663

1095Nikifor 3USU Local Contest. March 20012211568

1098Questions2206544

1685OrthographyUSU Personal Contest 20092201178

1071Nikifor 2USU Personal Contest 20012198613

1133Fibonacci SequenceNEERC 2001 Central Subregional2190222

1515CashmasterTimus Top Coders: Third Challenge2188212

1298KnightSpring School Contest 20042167231

1628White StreaksUSU Championship 20082164186

1064Binary SearchNEERC 20002159642

1204IdempotentsUSU Local Contest. March 20022148227

1085MeetingSpring School Contest 20012145616

1061Buffer ManagerNEERC 20002124653

1162Currency ExchangeNEERC 2001 Northern Subregional2121230

2068Game of NutsUral Regional School Programming Contest 20152120100

1868Prediction ContestUral FU Championship 20112102149

1846GCD 2010Petrozavodsk Summer 2010. USU Contest2095151

1125HopscotchUSU Championship 20012089233

1756One and a Half DiggersUSU Personal Contest 20102088172

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2086244

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20132077125

1247Check a SequenceUSU Personal Contest 20032076238

1205By the Underground or by Foot?USU Local Contest. March 20022068236

1070Local TimeUSU Personal Contest 20012057655

1635Mnemonics and PalindromesUSU Championship 20082055196

1057Amount of DegreesNEERC 2000 Central Subregional2052714

1645Ski RaceAutumn School Contest 20082049196

1658Sum of DigitsNEERC 2008 Eastern Subregional2034197

1800Murphy's LawNEERC 2010 Eastern Subregional2027168

1184Cable MasterNEERC 20012021242

1191Catch the thief!Spring School Contest 20021996245

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1992202

2111PlatoUniversity academic school olympiad in informatics 2019199266

1150Page NumbersUral Championship 2001. Round 21976246

1122GameAutumn School Contest 20011975246

1982Electrification PlanUral FU Championship 20131970132

1108HeritageBulgarian Online Contest September 20011956248

1109ConferenceBulgarian Online Contest September 20011956248

1821BiathlonUSU Personal Contest 20111946170

1244GentlemenUSU Personal Contest 20031943255

1200Horns and HoofsUSU Local Contest. March 20021925254

1076Trash1911701

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091903195

1433DiamondsUSU Personal Contest 20061894261

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1885251

1195Ouths and CrossesSpring School Contest 20021883259

1034Queens in Peaceful PositionsUral Championship 19991882796

1864Get-Together at Den'sUral FU Championship 20111879167

1650BillionairesNEERC 2008 Eastern Subregional1876214

1016Cube on the WalkUSU Local Contest. 19991868805

1113JeepBulgarian Online Contest September 20011862260

1042Central HeatingUSU Championship 20001845805

1517Freedom of ChoiceTimus Top Coders: Third Challenge1844252

1931Excellent TeamUral FU Championship 20121802158

1088Ilya MurometzSpring School Contest 20011800734

1680The First NonqualifyingUSU Personal Contest 20091800217

1096Get the Right Route Plate!USU Local Contest. March 20011792700

1220StacksUSU Championship 20021791275

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031789276

1769Old Ural LegendUral Championship 20101787200

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101781192

1501Sense of BeautyNEERC 2006 Eastern Subregional1776264

1117HierarchyAutumn School Contest 20011763275

2000Grand Theft Array VUral Regional School Programming Contest 20131741149

1930Ivan's CarUral Regional School Programming Contest 20121729165

1377Lara CroftUral Championship 2005. Round 11726294

1320Graph DecompositionUral Championship 2004. Round 21720291

1356Something EasierSpring School Contest 20051716295

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1716267

1346Intervals of MonotonicityUSU Championship 20041709296

1030TitanicUral Championship 19991708877

1179Numbers in TextUSU Personal Contest 20021681290

1603EruditeUSU Personal Contest 20081679252

1964Chinese DialectsUral FU Personal Contest 20131674160

1223Chernobyl’ Eagle on a RoofUSU Championship 20021667295

1551Sumo TournamentUral Championship 20071666271

1874Football GoalUral Regional School Programming Contest 20111655189

1215Exactness of Projectile HitAutumn School Contest 20021647298

1444ElephpotamusUral Championship 20061647298

1227Rally ChampionshipNEERC 2002 Central Subregional1642300

1153SupercomputerUral Championship 2001. Round 21637297

1124MosaicUSU Championship 20011633297

1789Searching for the DodecahedronUral Regional School Programming Contest 20101633209

1987Nested SegmentsUral FU Championship 20131630160

1537EntsUSU Personal Contest 20071623281

1185WallNEERC 20011618301

1294Mars SatellitesSpring School Contest 20041605312

1885Passenger ComfortNEERC 2011 Eastern Subregional1597196

1211Collective GuaranteeAutumn School Contest 20021592309

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1592148

1089Verification with the DictionarySpring School Contest 20011588831

1190Bar of ChocolateSpring School Contest 20021588307

1497Cutting a SquareAutumn School Contest 20061579298

1006Square FramesUSU Championship 19971562965

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1546296

1218Episode N-th: The Jedi TournamentUSU Championship 20021533321

1127Colored BricksUSU Championship 20011527318

1878Rubinchik's CubeUral Regional School Programming Contest 20111526205

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1511289

1737Mnemonics and Palindromes 3USU Championship 20091506246

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1505226

1261TipsAutumn School Contest 20031502331

1040Airline CompanyUSU Championship 20001494992

1246Tethered DogUSU Personal Contest 20031490331

1156Two RoundsUral Championship 2001. Round 21489326

1116Piecewise Constant FunctionAutumn School Contest 20011482327

1282Game TreeNEERC 2003 Central Subregional1482336

1684Jack's Last WordUSU Personal Contest 20091481264

1137Bus RoutesNEERC 2001 Central Subregional1476329

1406Next NumberAutumn School Contest 20051476344

1302Delta-waveUral Championship 19981447346

1403CourierAutumn School Contest 20051447350

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1443252

1176HyperchannelsUSU Personal Contest 20021436339

1795Husband in a ShopUral Regional School Programming Contest 20101413242

1121BranchesAutumn School Contest 20011402346

1495One-two, One-two 2Autumn School Contest 20061391338

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1391261

1869New Year CruiseUral FU Championship 20111382227

2102Michael and CryptographyUral FU Junior Championship 20161375134

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1368209

1431DiplomasUSU Personal Contest 20061361362

1201Which Day Is It?USU Local Contest. March 20021357359

1427SMSTimus Top Coders: First Challenge1354365

1588JamaicaNEERC 2007 Eastern Subregional1348322

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1347193

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011343361

1141RSA Attack1334364

1292Mars Space StationsSpring School Contest 20041326377

1407One-two, One-twoAutumn School Contest 20051320384

1287Mars CanalsUSU Personal Contest 20041319379

1741Communication FiendUSU Championship 20091319280

1984Dummy GuyUral FU Championship 20131315198

1410CrackUSU Championship 20051308386

1229Strong BrickworkNEERC 2002 Central Subregional1297379

1291Gear-wheelsSpring School Contest 20041296385

1140Swamp IncidentNEERC 2001 Central Subregional1293375

1350CanteenSpring School Contest 20051285393

1262Pseudo-Roman NumberAutumn School Contest 20031283387

1416ConfidentialUSU Championship 20051275396

1037Memory ManagementUSU Championship 200012671169

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1267226

1259How to Become Star?Autumn School Contest 20031264393

1326Bottle TapsUral Championship 2004. Round 21262396

1289One Way TicketUSU Personal Contest 20041259396

1111SquaresBulgarian Online Contest September 20011245389

1944Record of the Attack at the OrbitUral FU Personal Contest 20121245225

1718RejudgeNEERC 2009 Eastern Subregional1242299

1013K-based Numbers. Version 31241192

1252Sorting the TombstonesUSU Local Contest. March 20031236399

1483Table FootballUSU Championship 20061235381

1513Lemon TaleTimus Top Coders: Third Challenge1230377

1077Travelling Tours1221396

1574Mathematicians and bracketsAutumn School Contest 20071209359

1343Fairy TaleUSU Championship 20041206418

1489Points on a ParallelepipedAutumn School Contest 20061203390

1217Unlucky TicketsUSU Championship 20021202408

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1198303

1258PoolAutumn School Contest 20031194416

2138The Good, the Bad and the UglyUral School Programming Contest 20191188100

1128Partition into GroupsUSU Championship 20011182410

1279WarehouseNEERC 2003 Central Subregional1182421

1238FoldingNEERC 20021173419

1414Astronomical DatabaseUSU Championship 20051166433

1221Malevich Strikes Back!USU Championship 20021164422

1115ShipsBulgarian Online Contest September 20011162416

1651Shortest SubchainNEERC 2008 Eastern Subregional1159345

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1150397

1107Warehouse ProblemTetrahedron Team Online Contest May 20011149419

1316Electronic AuctionUral Championship 2004. Round 11143437

1362Classmates 2Ural Championship 2005. Round 21133445

1129Door PaintingUSU Championship 20011128429

1035Cross-stitchUral Championship 199911191331

1439Battle with You-Know-WhoUral Championship 20061115439

1753BookshelfUSU Personal Contest 20101111323

1202Rectangles TravelUSU Local Contest. March 20021106440

1826MinefieldUSU Personal Contest 20111105298

1181Cutting a Painted PolygonUSU Personal Contest 20021084448

1329Galactic HistoryAutumn School Contest 20041084463

1273TieUSU Championship 20031074462

2072Kirill the Gardener 3Ural Regional School Programming Contest 20151072196

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1069292

1430Crime and PunishmentTimus Top Coders: First Challenge1066463

1648YachtsAutumn School Contest 20081061377

1507Difficult DecisionNEERC 2006 Eastern Subregional1060441

1562GM-pineappleUSU Championship 20071059411

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest1053369

1779The Great TeamUral SU Championship 20101052324

1198Jobbery1035488

1050Preparing an ArticleUSU Local Contest. March 200010281421

2069Hard RockUral Regional School Programming Contest 20151028204

2142MagicUral School Programming Contest 20191022116

1480CouponsUSU Championship 20061013463

1519Formula 1Timus Top Coders: Third Challenge1012457

1212BattleshipAutumn School Contest 20021007486

1437Gasoline StationUSU Personal Contest 2006999492

1236Decoding TaskNEERC 2002995493

1428Jedi RiddleTimus Top Coders: First Challenge995495

1065FrontierNEERC 20009941388

1099Work Scheduling9931138

1823Ideal GasUSU Personal Contest 2011991332

1189Pairs of IntegersNEERC 2001973499

1571InterpretersUSU Championship 2007968449

1158Censored!NEERC 2001 Northern Subregional964502

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005964522

1103Pencils and CirclesTetrahedron Team Online Contest May 2001963499

1371Cargo AgencyUral Championship 2005. Round 1961526

1366PresentsUral Championship 2005. Round 2960525

2070Interesting NumbersUral Regional School Programming Contest 2015960219

2073Log FilesUral Regional School Programming Contest 2015959219

1465Pawn GamePetrozavodsk Winter 2006. USU Contest957496

1643Attack of the Dark FortressAutumn School Contest 2008951421

1922Superhero TeamUral Regional School Programming Contest 2012944301

1182Team Them Up!NEERC 2001941516

1602ElevatorUSU Personal Contest 2008939448

1334CheckersAutumn School Contest 2004934537

1375Bill CleversUral Championship 2005. Round 1934541

1400Cellular CharactersAutumn School Contest 2005928544

1325DirtUral Championship 2004. Round 2927538

1358CablesSpring School Contest 2005927543

1097Square Country 2USU Local Contest. March 20019231352

1577E-mailAutumn School Contest 2007921471

1535The Hobbit or There and Back AgainUSU Personal Contest 2007914497

1043Cover an ArcUSU Championship 20009131617

1421Credit OperationsTimus Top Coders: First Challenge913539

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest911433

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest903559

1793Tray 2Ural Regional School Programming Contest 2010885384

1579Coat TransportationAutumn School Contest 2007883491

1873GOV ChroniclesUral Regional School Programming Contest 2011880354

2105Alice and Bob are on BikesUral FU Junior Championship 2016879209

2149Pigeonhole PrincipleUral School Programming Contest 2019876135

1101Robot in the FieldTetrahedron Team Online Contest May 2001875549

1172Ship RoutesRomanian Online Contest December 2001871555

1132Square Root864559

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional864392

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional864271

1448Lighting in HogwartsUral Championship 2006844578

1631Drunk King 2USU Championship 2008844475

1314Chase in SubwayUral Championship 2004. Round 1843591

1143Electric PathDSAP Vietnam Online Contest November 2001837577

1934Black SpotUral FU Championship 2012830341

1732Ministry of TruthUSU Championship 2009826445

1445Christmas giftsUral Championship 2006823592

1309DisputeUral Championship 2004. Round 1819608

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional818286

1700AwakeningUral Championship 2009814474

2034CaravansUral Regional School Programming Contest 2014811287

1641DutiesAutumn School Contest 2008807495

1332Genie BomberAutumn School Contest 2004804622

1989SubpalindromesUral FU Championship 2013799324

1452Pascal vs. C++Timus Top Coders: Second Challenge795610

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest791598

1759Long-LiversUSU Personal Contest 2010791451

1379Cups TransportationUral Championship 2005. Round 1790638

1534Football in GondorUSU Personal Contest 2007783579

2091Natural SelectionUral FU Personal Contest 2014782246

1046Geometrical DreamsUSU Local Contest. March 20007811864

2062Ambitious ExperimentUral Regional School Programming Contest 2015780268

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012776366

1254Die HardUSU Local Contest. March 2003770638

1062TriathlonNEERC 20007641799

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest759413

1550Dean's Pyramid 3Ural Championship 2007758592

1600AirportUSU Personal Contest 2008758554

2003Simple MagicUral Regional School Programming Contest 2013751342

1776Anniversary FireworkUral SU Championship 2010750453

2024Adventure TimeUral Regional School Programming Contest 2014741314

1248Sequence SumUSU Personal Contest 2003740663

1286Starship TravelUSU Personal Contest 2004739672

1783Nuclear Arms RaceUral SU Championship 2010737461

1998The old PadawanNEERC 2013 Eastern Subregional735351

1500Pass LicensesNEERC 2006 Eastern Subregional734634

1933Guns for Battle!Ural FU Championship 2012732386

2095ScrumUral FU Personal Contest 2014729263

1682Crazy ProfessorUSU Personal Contest 2009727534

2065Different SumsUral Regional School Programming Contest 2015725288

1484Film RatingUSU Championship 2006724645

1234BricksNEERC 2002721678

1443RailsUral Championship 2006720676

1592Chinese WatchesNEERC 2007 Eastern Subregional718600

1486Equal SquaresUSU Championship 2006717652

1828Approximation by a ProgressionUSU Personal Contest 2011714458

1728Curse on Team.GOVUral Regional School Programming Contest 2009711518

1274Fractional ArithmeticNEERC 2003 Central Subregional710696

1440Training ScheduleUral Championship 2006708687

1305Convex HullUral Championship 1998706703

1542AutocompletionUral Championship 2007706635

1405Goat in the Garden 5Autumn School Contest 2005704715

1253NecrologuesUSU Local Contest. March 2003701699

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698444

1186Chemical ReactionsNEERC 2001696695

1605Devil's SequenceUSU Personal Contest 2008696602

1890Money out of Thin AirNEERC 2011 Eastern Subregional694447

1992CVSNEERC 2013 Eastern Subregional694371

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest692452

2067Friends and BerriesUral Regional School Programming Contest 2015692302

1424MinibusTimus Top Coders: First Challenge688713

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest687632

1774Barber of the Army of MagesUral SU Championship 2010684497

1174Weird PermutationsRomanian Online Contest December 2001677712

1250Sea BurialUSU Local Contest. March 2003677724

2078Bowling gameUral Championship 2016677287

1276TrainNEERC 2003 Central Subregional675732

1268Little ChuUSU Championship 2003672735

1301Cube in LabyrinthUral Championship 1998671739

1342EnterpriseUSU Championship 2004671746

1169PairsRomanian Online Contest December 2001669720

1941Scary Martian WordUral FU Personal Contest 2012669416

1392Dreaming of Stars663759

1168Radio StationsRomanian Online Contest December 2001661729

1075Thread in a SpaceUSU Personal Contest 20016592024

2098Lada PrioraUral FU Personal Contest 2014654293

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest653717

1456Jedi Riddle 2Timus Top Coders: Second Challenge649745

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional649568

2115The Knowledge DayUniversity academic school olympiad in informatics 2019649200

1230Introspective ProgramNEERC 2002 Central Subregional645756

1235Cricket FieldNEERC 2002644758

1159FenceNEERC 2001 Northern Subregional643749

1147Shaping RegionsDSAP Vietnam Online Contest November 2001641751

1093DartsUSU Local Contest. March 20016331962

1074Very Short ProblemUSU Personal Contest 20016322109

1564Counting OnesUSU Championship 2007630686

1904The Lessons of the PastUral Championship 2012628452

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection627425

1063Domino PuzzleNEERC 20006262189

1277Cops and ThievesNEERC 2003 Central Subregional626788

1690Army of MagesPetrozavodsk Winter 2009. USU Contest624618

1659Regular TrianglesNEERC 2008 Eastern Subregional619642

1981Parallel and PerpendicularUral FU Championship 2013616418

1698Square Country 5Petrozavodsk Winter 2009. USU Contest611631

1701Ostap and PartnersUral Championship 2009609630

1611DecimationUral Championship 2008608684

1323ClassmatesUral Championship 2004. Round 2605819

1606SlalomUSU Personal Contest 2008599698

1710Boris, You Are Wrong!Ural Championship 2009597643

1713Key SubstringsNEERC 2009 Eastern Subregional597617

1729Dead Man's ChestUral Regional School Programming Contest 2009596617

1373Pictura ex MachinaUral Championship 2005. Round 1595844

1436BillboardUSU Personal Contest 2006585834

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional585576

1105Observers ColoringTetrahedron Team Online Contest May 2001584817

1269Obscene Words FilterUSU Championship 2003581848

1706Cipher Message 2Ural Championship 2009581660

1339BabiesUSU Championship 2004580862

1901Space ElevatorsUral Championship 2012573495

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest571706

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009571643

1963KiteUral FU Personal Contest 2013567468

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest564835

1900Brainwashing DeviceUral Championship 2012562504

1422FirefliesTimus Top Coders: First Challenge561872

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest559835

1754Explosion in a PyramidUSU Personal Contest 2010558637

1418Military StoryUSU Championship 2005551907

2021Scarily interesting!NEERC 2014 Eastern Subregional547425

1154Mages ContestUral Championship 2001. Round 2544883

1092TransversalUSU Local Contest. March 20015412290

1760Infernal WorkUSU Personal Contest 2010537661

1923Scary PoliticsUral Regional School Programming Contest 2012537526

1324Extra SpacesUral Championship 2004. Round 2534926

1587Flying PigNEERC 2007 Eastern Subregional534803

1512ZiniumTimus Top Coders: Third Challenge533860

2104Game with a StripUral FU Junior Championship 2016533343

1593Square Country. Version 2529733

1165SubnumberNEERC 2001 Northern Subregional525914

1498Stroke at Full SpeedAutumn School Contest 2006525884

2144Cleaning the RoomUral School Programming Contest 2019525224

1398Bishop and Pawn524872

1633HippogriffsUSU Championship 2008523761

1364LaraKillerUral Championship 2005. Round 2522957

1547Password SearchUral Championship 2007521856

1058ChocolateNEERC 2000 Central Subregional5182781

1233Amusing NumbersNEERC 2002513948

1130Nikifor's WalkUSU Championship 2001512935

1245PicturesUSU Personal Contest 2003512952

1871Seismic WavesUral FU Championship 2011511606

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest508889

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest508453

1175Strange SequenceUSU Personal Contest 2002507948

1546Japanese SortingUral Championship 2007507879

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest505855

2141Sasha VilkinUral School Programming Contest 2019502234

1278“… Connecting People”NEERC 2003 Central Subregional501981

1434Buses in VasyukiUSU Personal Contest 2006501972

1331VladislavaAutumn School Contest 2004500993

1237Evacuation PlanNEERC 2002499975

1575Yekaterinburg Subway 2Autumn School Contest 2007498863

1614National Project “Trams”Ural Championship 2008498832

1767The House of Doctor DeeUral Championship 2010494713

1578Mammoth HuntAutumn School Contest 2007492873

1435Financial ErrorUSU Personal Contest 2006491991

1580Dean's DebtsAutumn School Contest 2007490876

1772Ski-Trails for RobotsUral Championship 2010490718

1447Portkey NetworkUral Championship 2006488991

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional487526

2063Black and WhiteUral Regional School Programming Contest 2015486427

1716Alternative SolutionNEERC 2009 Eastern Subregional485756

1822Hugo II's WarUSU Personal Contest 2011485671

1629TripUSU Championship 2008484821

1451Beerhouse TaleTimus Top Coders: Second Challenge481999

1884Way to the UniversityUral Regional School Programming Contest 2011481642

1647Divide an Island!Autumn School Contest 2008479826

1570Eating HighUSU Championship 2007478899

2047MathsUral Championship 2015478457

2030Awesome Backup SystemUral Regional School Programming Contest 2014476486

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest473984

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest472995

1803The Czechs' RiflesNEERC 2010 Eastern Subregional465722

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest464929

1870Zinium 2Ural FU Championship 2011459673

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014459503

1838Samurai's StrokeUral Championship 2011458702

1891Language OceanNEERC 2011 Eastern Subregional457674

1317HailUral Championship 2004. Round 24561081

2046The First Day at SchoolUral Championship 2015456479

1151RadiobeaconsUral Championship 2001. Round 24541054

1310ACM DiagnosticsUral Championship 2004. Round 14541086

1569Networking the “Iset”USU Championship 2007454946

1646Godzilla Strikes Back!Autumn School Contest 2008450879

1173Lazy SnailRomanian Online Contest December 20014491066

1942Attack at the OrbitUral FU Personal Contest 2012446619

1995Illegal spicesNEERC 2013 Eastern Subregional444576

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional444522

1533Fat HobbitsUSU Personal Contest 20074411019

1341DeviceUSU Championship 20044381135

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest437818

1755CakeUSU Personal Contest 2010436811

1518Jedi Riddle 3Timus Top Coders: Third Challenge4351049

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest435881

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4341070

1359ConstructionSpring School Contest 20054321151

2108Oleg and Little PoniesUral FU Junior Championship 2016430423

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4291163

1393Average Common Prefix4281156

1773Metro to Every HomeUral Championship 2010424828

1441From the History of Gringotts BankUral Championship 20064231140

1980Road to InvestorUral Championship 2013422619

1689Fisherman and BarbellUSU Personal Contest 2009421912

1539Intelligence DataUSU Personal Contest 20074201068

1866Poetic FootUral FU Championship 2011419736

1705Gangster HaresUral Championship 2009418912

1357Teakettle 1.0 for DummiesSpring School Contest 20054171191

1408Polynomial MultiplicationAutumn School Contest 20054141204

1540Battle for the RingUSU Personal Contest 20074131086

2026Dean and ScheduleUral Regional School Programming Contest 2014409563

1419Maps of the Island WorldsUSU Championship 20054081218

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional406692

1591Abstract ThinkingNEERC 2007 Eastern Subregional4041055

1608Lucky Tickets 2008Ural Championship 20084041021

1872Spacious OfficeUral FU Championship 2011402766

1971Graphics SettingsUral Championship 2013400652

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014398578

1453QueenTimus Top Coders: Second Challenge3961209

1630TalismanUSU Championship 20083931006

1360Philosophical DisputeUral Championship 2005. Round 23921266

1458War GamesTimus Top Coders: Second Challenge3911224

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881157

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest3881031

1966Cycling RoadsUral FU Personal Contest 2013387681

1177Like ComparisonsUSU Personal Contest 20023861238

1307ArchiverUral Championship 2004. Round 13841279

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest3841009

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3821223

1511Fiscal OperationsTimus Top Coders: Third Challenge3791200

1780Gray CodeUral SU Championship 2010375895

1928Another Ecology ProblemUral Regional School Programming Contest 2012375747

1171Lost in SpaceRomanian Online Contest December 20013741274

1720Summit Online JudgeNEERC 2009 Eastern Subregional374975

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest374952

1627JoinPetrozavodsk Winter 2008. ITMO Contest3711077

1738Computer SecurityUSU Championship 2009371977

1775Space BowlingUral SU Championship 2010368912

1321Floor IndicatorUral Championship 2004. Round 23671336

1487Chinese FootballUSU Championship 20063651263

1715Another Ball KillerNEERC 2009 Eastern Subregional365998

2109Tourism on MarsUral FU Junior Championship 2016364497

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3631180

1825Ifrit Bomber 2USU Personal Contest 2011361895

1347BlogSpring School Contest 20053591378

1544Classmates 3Ural Championship 20073591232

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3571391

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3571294

1830Help in the RNOSUral Championship 2011356898

1892Morning in KoltsovoNEERC 2011 Eastern Subregional356860

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3551074

1328FireballAutumn School Contest 20043531396

1538Towers of GuardUSU Personal Contest 20073501276

1281River BasinNEERC 2003 Central Subregional3491396

1832Arirang ShowUral Championship 2011348918

1940Not So Simple YearsUral FU Championship 2012347802

2004Scientists from SpilkovoUral Regional School Programming Contest 2013347729

1318LogarithmUral Championship 2004. Round 23461415

1345HTMLUSU Championship 20043461428

1939First SealUral FU Championship 2012344809

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional343971

2145Olympiad for EveryoneUral School Programming Contest 2019343340

1240Heroes of Might and MagicNEERC 20023411412

1962In Chinese RestaurantUral FU Personal Contest 2013339774

1311Stable ConstructionUral Championship 2004. Round 13381448

2060Subpalindrome pairsPalindromic Contest 337630

1378Artificial IntelligenceUral Championship 2005. Round 13361475

1266Kirchhoff's LawUSU Championship 20033351452

2071Juice CocktailsUral Regional School Programming Contest 2015335615

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3301355

2113Survive the floodUniversity academic school olympiad in informatics 2019329389

1730ManBearPigUral Regional School Programming Contest 20093281105

1412Autumn TideUSU Championship 20053271510

1761Binary PalindromeUSU Personal Contest 20103251079

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest3251002

1449Credit Operations 2Timus Top Coders: Second Challenge3241469

1595Perfect Sequence3231157

1170DesertRomanian Online Contest December 20013221473

1251Cemetery ManagerUSU Local Contest. March 20033221498

1875Angry BirdsUral Regional School Programming Contest 2011322949

1299PsyloniansSpring School Contest 20043201525

1337BureaucracyAutumn School Contest 20043171549

1265MirrorUSU Championship 20033161537

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161340

1736Chinese HockeyUSU Championship 20093161142

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest315976

1943Space RummyUral FU Personal Contest 2012315869

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3141422

2009Canteen LineUral Regional School Programming Contest 2013313806

1499KerchiefsAutumn School Contest 20063111474

1903Unidentified ShipsUral Championship 2012310902

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional309903

1961Cantonese DialectUral FU Personal Contest 2013308850

1824Ifrit BomberUSU Personal Contest 20113071047

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014305749

1687Numismatics for FunUSU Personal Contest 20093031256

2099Space InvaderUral FU Personal Contest 2014302624

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3011284

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest3001282

1285Thread in a HyperspaceUSU Personal Contest 20042991628

1768Circular StringsUral Championship 20102981166

1041NikiforUSU Championship 20002954894

1932The Secret of IdentifierUral FU Championship 2012294942

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2921042

1488ACM PokerUSU Championship 20062911574

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2891223

1863Peaceful AtomUral FU Championship 20112891056

2081Faulty dialUral Championship 2016286665

1241Inlay CuttersNEERC 20022841687

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2831742

1784RoundersUral SU Championship 20102831176

1267Yekaterinburg SubwayUSU Championship 20032801728

1425Queen 2Timus Top Coders: First Challenge2801717

1669Universal WordPetrozavodsk Winter 2008. USU Contest2801377

1703Robotic ArmUral Championship 20092801346

1836Babel FishUral Championship 20112801133

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014280814

1257HyphenationAutumn School Contest 20032791733

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2781664

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012278998

1508Japanese PuzzleNEERC 2006 Eastern Subregional2771644

1827Indigenous WarsUSU Personal Contest 20112771156

1338AutomobilesUSU Championship 20042751783

1148Building TowersDSAP Vietnam Online Contest November 20012741721

1722Observation DeckUral Regional School Programming Contest 20092741316

2080WalletUral Championship 2016272698

1397Points Game2711691

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest269841

1485Football and LieUSU Championship 20062671710

1965Pear TreesUral FU Personal Contest 2013266979

1927Herbs and MagicUral Regional School Programming Contest 20122651045

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2641334

1420Integer-Valued Complex DivisionUSU Championship 20052631864

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2621508

1503PolynomialNEERC 2006 Eastern Subregional2601747

1568Train Car SortingUSU Championship 20072591631

1657Cube SnakeNEERC 2008 Eastern Subregional2591500

1766Humpty DumptyUral Championship 20102581340

1304ParallelepipedUral Championship 19982561893

1686Photovoltaic SpaceshipUSU Personal Contest 20092561478

1883Ent's BirthdayUral Regional School Programming Contest 20112561185

1315MDPAR and MIIARUral Championship 2004. Round 12551901

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551921

2048HistoryUral Championship 2015255842

1417Space Poker 2USU Championship 20052531935

1905Travel in TimeUral Championship 20122531097

1516NostalgiaTimus Top Coders: Third Challenge2521782

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2511765

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection2511037

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251908

1990PodracingNEERC 2013 Eastern Subregional2491009

1514National ParkTimus Top Coders: Third Challenge2481810

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012471902

1790Searching for the TruthUral Regional School Programming Contest 20102471339

1862Very Wealthy MoleUral FU Championship 20112471228

1994The Emperor's planNEERC 2013 Eastern Subregional2471017

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019247512

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2461552

1936RoshamboUral FU Championship 20122451123

2008SwiftyUral Regional School Programming Contest 20132451021

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2411491

1396Maximum. Version 22401955

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2391274

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361789

1565The Duel for ThreeUSU Championship 20072361784

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102341410

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2331306

1187Statistical TroubleNEERC 20012312036

1216Two Pawns and One KingUSU Championship 20022312053

1807Cartridges for MaximNEERC 2010 Eastern Subregional2311423

1937Davy Jones’s OrganUral FU Championship 20122311189

2148Insane ShotUral School Programming Contest 2019229502

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281210

1921Chaos and OrderUral Regional School Programming Contest 20122281208

1492Vasya's Dad 2Autumn School Contest 20062271996

1974Similar TunesUral Championship 20132271128

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2261422

1988Planet Ocean LandingUral FU Championship 20132251114

1455Freedom of SpeechTimus Top Coders: Second Challenge2242097

1948The Robot on the LineUral FU Personal Contest 20122241207

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2222134

1583CheeseNEERC 2007 Eastern Subregional2221883

2064CaterpillarsUral Regional School Programming Contest 2015221918

1986Paul’s SaladsUral FU Championship 20132201138

1188LibraryNEERC 20012192143

1532Lost in TranslationUSU Personal Contest 20072192006

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2191735

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2151625

1879GOV-internship 2Ural Regional School Programming Contest 20112151401

1970皇后像廣場Ural FU Personal Contest 20132151201

1896War Games 2.1212898

1907Coffee and BunsUral Championship 20122121300

1762Search for a Hiding-PlaceUSU Personal Contest 20102111636

1256Cemetery GuardUSU Local Contest. March 20032102260

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest2091815

1996Cipher Message 3NEERC 2013 Eastern Subregional2091193

1655Somali PiratesNEERC 2008 Eastern Subregional2071860

1288AstrolocationUSU Personal Contest 20042062329

1610CactusesUral Championship 20082061957

1670AsteriskPetrozavodsk Summer 2008. USU Contest2061840

2074Timus problems classifierQualification of Eastern Subregional 2015205948

2089Experienced coachUral Championship 2016205916

1284Space PokerUSU Personal Contest 20042042351

1770The Party of Ural ChampionsUral Championship 20102041678

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest2031576

1232Asteroid LandingNEERC 2002 Central Subregional2022335

1270UnicubeUSU Championship 20032022364

1504Good MannersNEERC 2006 Eastern Subregional2022225

1541ChaseUSU Personal Contest 20072022167

1976Game OptimizationUral Championship 20132011267

1275Knights of the Round TableNEERC 2003 Central Subregional1992399

1395Pascal vs. C++. Version 21992345

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1991505

1615Tram SolitaireUral Championship 20081982032

1979Resources DistributionUral Championship 20131981285

1368Goat in the Garden 3Ural Championship 2005. Round 21972459

1543Dance RevolutionUral Championship 20071972197

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1971535

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1951948

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest1951144

1764TranssibUral Championship 20101941761

1481Winning ChancesUSU Championship 20061932334

1707Hypnotoad's SecretUral Championship 20091931922

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1921977

1949The Best Picture in the GalaxyUral FU Personal Contest 20121911405

2146Quiz ShowUral School Programming Contest 2019188606

1739FaryuksUSU Championship 20091861900

1454Rectangles 2Timus Top Coders: Second Challenge1842529

1549Another Japanese PuzzleUral Championship 20071842344

2143Victoria!Ural School Programming Contest 2019182625

1520Empire Strikes BackTimus Top Coders: Third Challenge1802457

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1801670

2110Remove or MaximizeUral FU Junior Championship 2016179984

1429BiscuitsTimus Top Coders: First Challenge1772663

2106DeserializationUral FU Junior Championship 20161761000

1634Spider MiteUSU Championship 20081742203

2121Intersection of ParabolasPetrozavodsk Summer 2018. umnik_team Contest174704

2017Best of a bad lotNEERC 2014 Eastern Subregional1731295

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711895

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1692042

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1692042

1308Dean's PyramidUral Championship 2004. Round 11682830

2112Battle logUniversity academic school olympiad in informatics 2019168740

1300TaxesUral Championship 19981662861

1702CrossroadUral Championship 20091662217

1717Eligibility RulesNEERC 2009 Eastern Subregional1642151

1734Endgame DatabaseUSU Championship 20091632153

2092BoleroUral FU Personal Contest 20141631125

1947MeanderUral FU Personal Contest 20121621642

1968Glass PyramidUral FU Personal Contest 20131621571

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1601975

1312TrayUral Championship 2004. Round 11592981

1782Jack's New WordUral SU Championship 20101592039

1983Nectar GatheringUral FU Championship 20131581558

1781Clean CodeUral SU Championship 20101572063

1802Cube PuzzleNEERC 2010 Eastern Subregional1572053

1367Top SecretUral Championship 2005. Round 21563067

1464LightPetrozavodsk Winter 2006. USU Contest1562888

141140 Islands KnightsUSU Championship 20051553085

2156Interesting ConversationsUral School Programming Contest 2020154567

1438Time Limit ExceededUSU Personal Contest 20061533046

1505Oil TransferNEERC 2006 Eastern Subregional1532894

2103Corporate MailUral FU Junior Championship 20161531141

1239Ghost BustersNEERC 20021523059

1757Gold BarsUSU Personal Contest 20101512246

1833Hopes of RowingUral Championship 20111512041

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1492988

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1491811

1946Chinese Hockey 3Ural FU Personal Contest 20121491776

2119Tree HullPetrozavodsk Summer 2018. umnik_team Contest148820

2116He is not a knight for youUniversity academic school olympiad in informatics 2019147839

1482Triangle GameUSU Championship 20061463037

1442Floo PowderUral Championship 20061453184

1841CablewaysPetrozavodsk Summer 2010. USU Contest1452050

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1442858

1886Trip 2NEERC 2011 Eastern Subregional1442043

2059Not common palindromesPalindromic Contest 1431428

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1423154

2055Urban GeographyUral Championship 20151421468

2052Physical EducationUral Championship 20151411478

1895Steaks on BoardNEERC 2011 Eastern Subregional1402098

1652Banking CrisisNEERC 2008 Eastern Subregional1392708

1609Tram TileUral Championship 20081382856

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141381315

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1363497

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1351867

2114My craftUniversity academic school olympiad in informatics 2019135908

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342000

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1341629

1166Funny Card GameNEERC 2001 Northern Subregional1333503

1831Tsyfirkin's LessonUral Championship 20111332298

1566Triangular PostcardsUSU Championship 20071323091

1908Brute-force SearchUral Championship 20121322032

1950Martian FarmlandsUral FU Personal Contest 20121321988

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1312780

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1312381

2130Alice + BobLater is better than never131887

2128Rubina's SolitaireLater is better than never130893

1985Prime SquareUral FU Championship 20131291883

2007Mutants versus MachinesUral Regional School Programming Contest 20131291873

1199Mouse1273396

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262882

2129Mortgage in Far Away KingdomLater is better than never126919

2135Pauline and commitsLater is better than never126919

1509Domino RecognitionNEERC 2006 Eastern Subregional1253494

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1243061

1758Bald Spot Revisited 2USU Personal Contest 20101242698

2123KnapsackPetrozavodsk Summer 2018. umnik_team Contest124967

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1223108

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1223025

1839The MentaculusUral Championship 20111222490

1735Theft of the CenturyUSU Championship 20091212843

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1212426

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1212422

1867NanotechnologiesUral FU Championship 20111192447

2107Oppa Funcan StyleUral FU Junior Championship 20161171465

2058100500 palidnromesPalindromic Contest 1161734

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1153801

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1134150

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1133745

1637Triangle Game 2USU Championship 20081133296

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1133187

1704DemodulationUral Championship 20091123198

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1112774

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103119

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1093992

1882Old NokiaUral Regional School Programming Contest 20111082671

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1062334

1460WiresPetrozavodsk Winter 2006. USU Contest1054168

1163ChapaevNEERC 2001 Northern Subregional1044290

1597Chernobyl’ Eagle on a Roof. Version 21042110

1850Space TourismPetrozavodsk Summer 2010. USU Contest1042787

1344Gigantic TurnipUSU Championship 20041034498

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1032396

2140BitMazeCraftUral School Programming Contest 20191031062

1977Energy WallUral Championship 20131022386

2151MahjongUral School Programming Contest 2020102831

1599Winding Number1001941

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest1003052

2101Knight's ShieldUral FU Junior Championship 2016991707

1271Sailing DirectionsUSU Championship 2003974683

1365Testing CalculatorUral Championship 2005. Round 2974758

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973731

1681Brother Bear's GardenUSU Personal Contest 2009973675

2085Magic ProgrammerUral Championship 2016971840

1616Square Country 4Ural Championship 2008963988

1835Swamp DoctorUral Championship 2011963100

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest954524

2155QuadrocopterUral School Programming Contest 202095886

1829Routing TablesUSU Personal Contest 2011933222

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team Contest931258

1340CucarachaUSU Championship 2004924983

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest924315

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest922300

2153Perfect SquadUral School Programming Contest 202092912

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest915054

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest903655

1426RectanglesTimus Top Coders: First Challenge875133

1865The Island of MärketUral FU Championship 2011873255

1969Hong Kong TramUral FU Personal Contest 2013872786

1363HalftonesUral Championship 2005. Round 2865303

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865318

2152Tax FeesUral School Programming Contest 202085979

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844364

2118Cipher Message 4Petrozavodsk Summer 2018. umnik_team Contest841379

1632LasersUSU Championship 2008834359

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest832523

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest832523

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest804558

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803200

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection803008

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest795338

1765Error 404Ural Championship 2010784081

1945Many-armed BrothersUral FU Personal Contest 2012783209

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest764642

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest763690

1978E-LiteUral Championship 2013763108

1372Death StarUral Championship 2005. Round 1756005

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest753733

2097Snowboarding on SpilnayaUral FU Personal Contest 2014752289

2126Partition into TeamsPetrozavodsk Summer 2018. umnik_team Contest751525

21504B and ZooUral School Programming Contest 2020751095

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest734044

1594Aztec Treasure724700

2134StampmanLater is better than never721524

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715064

2167Cipher Message 5Ural School Programming Contest 202271521

1733Forgotten TechnologyUSU Championship 2009704655

1778Chinese Hockey 2Ural SU Championship 2010704307

1972Game TestingUral Championship 2013703341

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694022

2157SkydivingUral School Programming Contest 2020681193

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest674359

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest664175

1798Fire Circle. Version 2652895

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection643659

20503D-modelingUral Championship 2015643016

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015642753

2083The Guardian of TraditionsUral Championship 2016642660

2132Graph Decomposition. Version 2Later is better than never641689

1847ZamkadyePetrozavodsk Summer 2010. USU Contest634353

2120Tree Average WeightPetrozavodsk Summer 2018. umnik_team Contest631775

1834Tennis RacketUral Championship 2011624564

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest615521

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613813

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest604539

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595786

1763Expert FleaUral Championship 2010595205

2049ChemistryUral Championship 2015593234

2006Kirill the GardenerUral Regional School Programming Contest 2013583828

1909Space ReconUral Championship 2012574306

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional574298

2022Riding a ToadNEERC 2014 Eastern Subregional573537

2147City BuildingUral School Programming Contest 2019571791

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566022

1674Drunk KingPetrozavodsk Summer 2008. USU Contest556114

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional554431

2053BiologyUral Championship 2015553433

2061OEIS A216264Palindromic Contest 553362

1536Delights of Pipe-weedUSU Personal Contest 2007547178

1432Twofold LuckUSU Personal Contest 2006537881

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535044

2096All InclusiveUral FU Personal Contest 2014533089

1801The Revolution CupNEERC 2010 Eastern Subregional525531

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516545

2172Meta-statement 2Ural School Programming Contest 202251692

1653Death ConveyorNEERC 2008 Eastern Subregional506725

2057Non-palidromic cuttingPalindromic Contest 503642

1938Caribbean TriangleUral FU Championship 2012494855

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest493976

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional486957

1771A Deputy's MorningUral Championship 2010486192

2136John vs SantaLater is better than never482155

1975Model of the EarthUral Championship 2013474689

2051PhysicsUral Championship 2015473915

2084Technical debtUral Championship 2016463516

1415Mobile LifeUSU Championship 2005459251

2133Terms of referenceLater is better than never452273

2161Mount & BladeUral School Programming Contest 202145768

1797Summit Online Judge. Version 2445369

2173Meta-statement 3Ural School Programming Contest 202244782

1376Dean's Pyramid 2Ural Championship 2005. Round 1439631

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439632

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest434426

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429817

1598DSA Attack424592

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418043

1842Local RootsPetrozavodsk Summer 2010. USU Contest386620

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection385641

1374MisereUral Championship 2005. Round 13710860

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379365

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377142

1967Programmer CasinoUral FU Personal Contest 2013375750

1973Location GeneratorUral Championship 2013375686

2087TrainsUral Championship 2016374189

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369568

1799Sasha and swag strings354741

1399Economical Director3410573

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337379

2154Flight on a CannonballUral School Programming Contest 2020312269

1840Victim of AdvertisingUral Championship 2011298427

1906The Lost CivilizationUral Championship 2012297397

1999The secret moduleNEERC 2013 Eastern Subregional296700

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team Contest293323

2160Meta-statementUral School Programming Contest 2021291084

1369Cockroach RaceUral Championship 2005. Round 22813397

2162GraphmaniaUral School Programming Contest 2021281110

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest273503

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611039

2079Memory leaksUral Championship 2016265469

2090Crossroads of DestinyUral FU Personal Contest 2014265406

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513161

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2511200

2086Find DenisUral Championship 2016255625

1708Sum of Digits 2Ural Championship 20092411475

1596Knight Mare239232

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest237109

2171Two Progressions 2Ural School Programming Contest 2022231278

2163InterviewUral School Programming Contest 2021221317

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116468

2159EssayUral School Programming Contest 2021211364

2054AstronomyUral Championship 2015207438

2088Nostalgic EveningUral Championship 2016206526

2139Experiment with JuiceUral School Programming Contest 2019204000

2158Two progressionsUral School Programming Contest 2021201404

2094Thousand ImpsUral FU Personal Contest 2014196711

2164BookmakerUral School Programming Contest 2021191457

2016Magic and ScienceNEERC 2014 Eastern Subregional188463

2077ReductionsQualification of Eastern Subregional 2015187276

1394Ships. Version 21718908

1548Sakura and StatisticsUral Championship 20071716840

2122HammingPetrozavodsk Summer 2018. umnik_team Contest174800

2166Two RoadsUral School Programming Contest 2022171562

2170Experiment with Juice 2Ural School Programming Contest 2022171562

1897Alice and Bob and a string165533

2076VasianaQualification of Eastern Subregional 2015167836

2165Cake CutterUral School Programming Contest 2021161624

2082PokerUral Championship 2016157859

1589SokobanNEERC 2007 Eastern Subregional1418204

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311770

2169City Building 2Ural School Programming Contest 2022121918

2131Open CupLater is better than never106250

2137Dynamic string complexityLater is better than never96579

2168Runes in the FieldUral School Programming Contest 202262637