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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1022Genealogical TreeAutumn School Contest 200010136137

1119MetroAutumn School Contest 2001615773

1033LabyrinthUral Championship 19996064229

1106Two TeamsTetrahedron Team Online Contest May 2001589976

1080Map ColoringWinter Mathematical Festival Varna 20015107242

1837Isenbaev's NumberUral Championship 2011490057

1136ParliamentNEERC 2001 Central Subregional456899

1008Image EncodingUSTU PhysTech Cup 20004048345

1280Topological SortingNEERC 2003 Central Subregional3215144

1210Kind SpiritsAutumn School Contest 20023119146

1272Non-Yekaterinburg SubwayUSU Championship 20033058152

1045Funny GameUSU Local Contest. March 20002678506

1072RoutingUSU Personal Contest 20012582482

1056Computer NetNEERC 2000 Central Subregional2562528

1004Sightseeing TripCentral European Olympiad in Informatics 19992481563

1069Prufer CodeUSU Personal Contest 20012419515

1242WerewolfUSU Personal Contest 20032249204

1709Penguin-AviaUral Championship 20092246153

1208Legendary Teams ContestUSU Local Contest. March 20022151210

1085MeetingSpring School Contest 20012052594

1205By the Underground or by Foot?USU Local Contest. March 20021952231

1076Trash1840672

1109ConferenceBulgarian Online Contest September 20011825246

1016Cube on the WalkUSU Local Contest. 19991793774

1450Russian PipelinesTimus Top Coders: Second Challenge1770255

1096Get the Right Route Plate!USU Local Contest. March 20011705679

1982Electrification PlanUral FU Championship 20131687123

1160NetworkNEERC 2001 Northern Subregional1678272

1320Graph DecompositionUral Championship 2004. Round 21556299

1137Bus RoutesNEERC 2001 Central Subregional1536292

1227Rally ChampionshipNEERC 2002 Central Subregional1477308

1124MosaicUSU Championship 20011474304

1040Airline CompanyUSU Championship 20001410969

1218Episode N-th: The Jedi TournamentUSU Championship 20021402325

1156Two RoundsUral Championship 2001. Round 21355331

1930Ivan's CarUral Regional School Programming Contest 20121349174

1176HyperchannelsUSU Personal Contest 20021254359

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011168384

1291Gear-wheelsSpring School Contest 20041161399

1416ConfidentialUSU Championship 20051140412

1077Travelling Tours1113402

1162Currency ExchangeNEERC 2001 Northern Subregional1095409

1128Partition into GroupsUSU Championship 20011074416

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1070296

1035Cross-stitchUral Championship 199910441315

1651Shortest SubchainNEERC 2008 Eastern Subregional1035345

1329Galactic HistoryAutumn School Contest 20041004464

1129Door PaintingUSU Championship 2001995449

1065FrontierNEERC 20009291369

1198Jobbery918512

1099Work Scheduling9001158

1182Team Them Up!NEERC 2001887506

1400Cellular CharactersAutumn School Contest 2005863544

1358CablesSpring School Contest 2005848552

1421Credit OperationsTimus Top Coders: First Challenge843541

1325DirtUral Championship 2004. Round 2835554

1643Attack of the Dark FortressAutumn School Contest 2008780457

1641DutiesAutumn School Contest 2008756471

1934Black SpotUral FU Championship 2012739314

1314Chase in SubwayUral Championship 2004. Round 1738626

1254Die HardUSU Local Contest. March 2003707643

1500Pass LicensesNEERC 2006 Eastern Subregional679629

1379Cups TransportationUral Championship 2005. Round 1673696

1250Sea BurialUSU Local Contest. March 2003637713

1301Cube in LabyrinthUral Championship 1998624738

2034CaravansUral Regional School Programming Contest 2014622286

1392Dreaming of Stars619755

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional617423

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional595544

1277Cops and ThievesNEERC 2003 Central Subregional583785

1323ClassmatesUral Championship 2004. Round 2563817

1806Mobile TelegraphsNEERC 2010 Eastern Subregional559519

1339BabiesUSU Championship 2004501925

1237Evacuation PlanNEERC 2002473952

1580Dean's DebtsAutumn School Contest 2007441882

1434Buses in VasyukiUSU Personal Contest 20064311043

1447Portkey NetworkUral Championship 20064301038

1575Yekaterinburg Subway 2Autumn School Contest 2007428908

2030Awesome Backup SystemUral Regional School Programming Contest 2014412429

1569Networking the “Iset”USU Championship 20073871003

1533Fat HobbitsUSU Personal Contest 20073821072

1441From the History of Gringotts BankUral Championship 20063761184

1630TalismanUSU Championship 2008369956

1980Road to InvestorUral Championship 2013361578

1419Maps of the Island WorldsUSU Championship 20053531304

1966Cycling RoadsUral FU Personal Contest 2013338625

1487Chinese FootballUSU Championship 20063351263

1544Classmates 3Ural Championship 20073351204

1281River BasinNEERC 2003 Central Subregional3231397

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3221049

1449Credit Operations 2Timus Top Coders: Second Challenge3041446

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3031347

1337BureaucracyAutumn School Contest 20042871586

1338AutomobilesUSU Championship 20042541791

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253900

1315MDPAR and MIIARUral Championship 2004. Round 12261983

1905Travel in TimeUral Championship 20122261005

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional225774

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201738

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002255

2113Survive the floodUniversity academic school olympiad in informatics 2019200329

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1951727

1610CactusesUral Championship 20081931877

1770The Party of Ural ChampionsUral Championship 20101851605

1270UnicubeUSU Championship 20031782474

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1731945

2017Best of a bad lotNEERC 2014 Eastern Subregional1541109

1367Top SecretUral Championship 2005. Round 21423116

1505Oil TransferNEERC 2006 Eastern Subregional1333032

1652Banking CrisisNEERC 2008 Eastern Subregional1322538

2055Urban GeographyUral Championship 20151171316

1199Mouse1053711

1833Hopes of RowingUral Championship 20111052436

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013136

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003342

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014971276

1882Old NokiaUral Regional School Programming Contest 2011912631

1271Sailing DirectionsUSU Championship 2003884746

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715397

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest692270

2128Rubina's SolitaireLater is better than never67803

2140BitMazeCraftUral School Programming Contest 201956856

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524331

1399Economical Director2910939

2147City BuildingUral School Programming Contest 2019291449

2132Graph Decomposition. Version 2Later is better than never271672

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142783