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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1837Isenbaev's NumberUral Championship 2011559659

1119MetroAutumn School Contest 2001691771

1106Two TeamsTetrahedron Team Online Contest May 2001654074

1136ParliamentNEERC 2001 Central Subregional493699

1982Electrification PlanUral FU Championship 20131996131

1022Genealogical TreeAutumn School Contest 200010836140

1280Topological SortingNEERC 2003 Central Subregional3536142

1272Non-Yekaterinburg SubwayUSU Championship 20033374148

1709Penguin-AviaUral Championship 20092548153

1210Kind SpiritsAutumn School Contest 20023031163

1450Russian PipelinesTimus Top Coders: Second Challenge2999163

1160NetworkNEERC 2001 Northern Subregional3021164

1930Ivan's CarUral Regional School Programming Contest 20121737165

1242WerewolfUSU Personal Contest 20032787178

1080Map ColoringWinter Mathematical Festival Varna 20016940193

1208Legendary Teams ContestUSU Local Contest. March 20022311212

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1566218

1162Currency ExchangeNEERC 2001 Northern Subregional2135228

1033LabyrinthUral Championship 19996488232

1205By the Underground or by Foot?USU Local Contest. March 20022070236

1109ConferenceBulgarian Online Contest September 20011956249

1320Graph DecompositionUral Championship 2004. Round 21743288

2034CaravansUral Regional School Programming Contest 2014815288

1124MosaicUSU Championship 20011636297

1227Rally ChampionshipNEERC 2002 Central Subregional1649299

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1200303

1218Episode N-th: The Jedi TournamentUSU Championship 20021537320

1137Bus RoutesNEERC 2001 Central Subregional1492326

1156Two RoundsUral Championship 2001. Round 21493326

1176HyperchannelsUSU Personal Contest 20021444338

1934Black SpotUral FU Championship 2012834341

1651Shortest SubchainNEERC 2008 Eastern Subregional1165344

1008Image EncodingUSTU PhysTech Cup 20004227359

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011348361

1291Gear-wheelsSpring School Contest 20041300385

2113Survive the floodUniversity academic school olympiad in informatics 2019334387

1077Travelling Tours1226395

1416ConfidentialUSU Championship 20051280395

1128Partition into GroupsUSU Championship 20011186409

1643Attack of the Dark FortressAutumn School Contest 2008954420

1129Door PaintingUSU Championship 20011134428

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698446

1329Galactic HistoryAutumn School Contest 20041085463

2030Awesome Backup SystemUral Regional School Programming Contest 2014479486

1198Jobbery1038488

1072RoutingUSU Personal Contest 20012743493

1641DutiesAutumn School Contest 2008807496

1045Funny GameUSU Local Contest. March 20002853516

1069Prufer CodeUSU Personal Contest 20012622516

1182Team Them Up!NEERC 2001942516

1325DirtUral Championship 2004. Round 2929538

1421Credit OperationsTimus Top Coders: First Challenge913540

1358CablesSpring School Contest 2005929543

1056Centers of the NetNEERC 2000 Central Subregional2695545

1400Cellular CharactersAutumn School Contest 2005928545

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional650569

1004Sightseeing TripCentral European Olympiad in Informatics 19992615580

1314Chase in SubwayUral Championship 2004. Round 1845590

1085MeetingSpring School Contest 20012148617

1980Road to InvestorUral Championship 2013423620

1500Pass LicensesNEERC 2006 Eastern Subregional736634

1379Cups TransportationUral Championship 2005. Round 1795635

1254Die HardUSU Local Contest. March 2003770639

1966Cycling RoadsUral FU Personal Contest 2013389681

1096Get the Right Route Plate!USU Local Contest. March 20011796700

1076Trash1911702

1250Sea BurialUSU Local Contest. March 2003678724

1301Cube in LabyrinthUral Championship 1998672740

1392Dreaming of Stars663760

1277Cops and ThievesNEERC 2003 Central Subregional626790

1016Cube on the WalkUSU Local Contest. 19991868807

1323ClassmatesUral Championship 2004. Round 2605821

1575Yekaterinburg Subway 2Autumn School Contest 2007500861

1339BabiesUSU Championship 2004580863

1580Dean's DebtsAutumn School Contest 2007490878

2128Rubina's SolitaireLater is better than never131898

2155QuadrocopterUral School Programming Contest 202095902

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional252910

1569Networking the “Iset”USU Championship 2007455946

1434Buses in VasyukiUSU Personal Contest 2006501973

1237Evacuation PlanNEERC 2002499977

1040Airline CompanyUSU Championship 20001497992

1447Portkey NetworkUral Championship 2006488993

1630TalismanUSU Championship 20083931009

1533Fat HobbitsUSU Personal Contest 20074411021

2140BitMazeCraftUral School Programming Contest 20191031076

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3551077

1905Travel in TimeUral Championship 20122531102

1099Work Scheduling9951138

1441From the History of Gringotts BankUral Championship 20064231142

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881160

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281215

1419Maps of the Island WorldsUSU Championship 20054081220

1544Classmates 3Ural Championship 20073591235

1487Chinese FootballUSU Championship 20063651266

2017Best of a bad lotNEERC 2014 Eastern Subregional1751288

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141391316

1035Cross-stitchUral Championship 199911201333

2159EssayUral School Programming Contest 2021221376

1065FrontierNEERC 20009951389

1281River BasinNEERC 2003 Central Subregional3491399

2055Urban GeographyUral Championship 20151441458

1449Credit Operations 2Timus Top Coders: Second Challenge3241472

1337BureaucracyAutumn School Contest 20043171552

1770The Party of Ural ChampionsUral Championship 20102041684

2132Graph Decomposition. Version 2Later is better than never641711

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2201733

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2371786

1338AutomobilesUSU Championship 20042751787

2147City BuildingUral School Programming Contest 2019571815

1315MDPAR and MIIARUral Championship 2004. Round 12561897

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551924

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1951953

1610CactusesUral Championship 20082061962

2169City Building 2Ural School Programming Contest 2022121997

1833Hopes of RowingUral Championship 20111522036

1270UnicubeUSU Championship 20032022368

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest842511

1882Old NokiaUral Regional School Programming Contest 20111082682

1652Banking CrisisNEERC 2008 Eastern Subregional1402697

1505Oil TransferNEERC 2006 Eastern Subregional1532900

1367Top SecretUral Championship 2005. Round 21563072

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1223116

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143170

1199Mouse1273404

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest273546

1847ZamkadyePetrozavodsk Summer 2010. USU Contest634370

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest964491

1271Sailing DirectionsUSU Championship 2003984648

1399Economical Director3410595