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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992415563

1008Image EncodingUSTU PhysTech Cup 20003987341

1016Cube on the WalkUSU Local Contest. 19991743776

1022Genealogical TreeAutumn School Contest 20009899137

1033LabyrinthUral Championship 19995906229

1035Cross-stitchUral Championship 199910191313

1040Airline CompanyUSU Championship 20001350987

1045Funny GameUSU Local Contest. March 20002582512

1056Computer NetNEERC 2000 Central Subregional2480531

1065FrontierNEERC 20008951385

1069Prufer CodeUSU Personal Contest 20012321523

1072RoutingUSU Personal Contest 20012523481

1076Trash1804668

1077Travelling Tours1068408

1080Map ColoringWinter Mathematical Festival Varna 20014851248

1085MeetingSpring School Contest 20012009592

1096Get the Right Route Plate!USU Local Contest. March 20011640689

1099Work Scheduling8681171

1106Two TeamsTetrahedron Team Online Contest May 2001566277

1109ConferenceBulgarian Online Contest September 20011770247

1119MetroAutumn School Contest 2001589874

1124MosaicUSU Championship 20011423307

1128Partition into GroupsUSU Championship 20011031423

1129Door PaintingUSU Championship 2001958455

1136ParliamentNEERC 2001 Central Subregional443299

1137Bus RoutesNEERC 2001 Central Subregional1474297

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011114392

1156Two RoundsUral Championship 2001. Round 21306335

1160NetworkNEERC 2001 Northern Subregional1499297

1162Currency ExchangeNEERC 2001 Northern Subregional985443

1176HyperchannelsUSU Personal Contest 20021207364

1182Team Them Up!NEERC 2001853513

1198Jobbery856536

1199Mouse1033675

1205By the Underground or by Foot?USU Local Contest. March 20021890233

1208Legendary Teams ContestUSU Local Contest. March 20022070213

1210Kind SpiritsAutumn School Contest 20022998149

1218Episode N-th: The Jedi TournamentUSU Championship 20021341331

1227Rally ChampionshipNEERC 2002 Central Subregional1424312

1237Evacuation PlanNEERC 2002461953

1242WerewolfUSU Personal Contest 20032140209

1250Sea BurialUSU Local Contest. March 2003619716

1254Die HardUSU Local Contest. March 2003681652

1270UnicubeUSU Championship 20031782417

1271Sailing DirectionsUSU Championship 2003854783

1272Non-Yekaterinburg SubwayUSU Championship 20032931154

1277Cops and ThievesNEERC 2003 Central Subregional565791

1280Topological SortingNEERC 2003 Central Subregional3079147

1281River BasinNEERC 2003 Central Subregional3171390

1291Gear-wheelsSpring School Contest 20041122404

1301Cube in LabyrinthUral Championship 1998610737

1314Chase in SubwayUral Championship 2004. Round 1712633

1315MDPAR and MIIARUral Championship 2004. Round 12182006

1320Graph DecompositionUral Championship 2004. Round 21495304

1323ClassmatesUral Championship 2004. Round 2544826

1325DirtUral Championship 2004. Round 2812556

1329Galactic HistoryAutumn School Contest 2004972469

1337BureaucracyAutumn School Contest 20042781599

1338AutomobilesUSU Championship 20042511771

1339BabiesUSU Championship 2004488928

1358CablesSpring School Contest 2005809565

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21962248

1367Top SecretUral Championship 2005. Round 21383129

1379Cups TransportationUral Championship 2005. Round 1644710

1392Dreaming of Stars609751

1399Economical Director2910644

1400Cellular CharactersAutumn School Contest 2005846543

1416ConfidentialUSU Championship 20051103416

1419Maps of the Island WorldsUSU Championship 20053391327

1421Credit OperationsTimus Top Coders: First Challenge813548

1434Buses in VasyukiUSU Personal Contest 20064241035

1441From the History of Gringotts BankUral Championship 20063531229

1447Portkey NetworkUral Championship 20064161047

1449Credit Operations 2Timus Top Coders: Second Challenge3011424

1450Russian PipelinesTimus Top Coders: Second Challenge1577279

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest695391

1487Chinese FootballUSU Championship 20063221279

1500Pass LicensesNEERC 2006 Eastern Subregional654636

1505Oil TransferNEERC 2006 Eastern Subregional1312994

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2931354

1533Fat HobbitsUSU Personal Contest 20073701076

1544Classmates 3Ural Championship 20073251205

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191693

1569Networking the “Iset”USU Championship 20073621038

1575Yekaterinburg Subway 2Autumn School Contest 2007408922

1580Dean's DebtsAutumn School Contest 2007421895

1610CactusesUral Championship 20081911834

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest983287

1630TalismanUSU Championship 2008363937

1641DutiesAutumn School Contest 2008732469

1643Attack of the Dark FortressAutumn School Contest 2008752457

1651Shortest SubchainNEERC 2008 Eastern Subregional992347

1652Banking CrisisNEERC 2008 Eastern Subregional1302483

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1631983

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1891714

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest983102

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3061060

1709Penguin-AviaUral Championship 20092145155

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional572542

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1011300

1770The Party of Ural ChampionsUral Championship 20101751617

1806Mobile TelegraphsNEERC 2010 Eastern Subregional469587

1833Hopes of RowingUral Championship 20111012394

1837Isenbaev's NumberUral Championship 2011460758

1847ZamkadyePetrozavodsk Summer 2010. USU Contest514162

1882Old NokiaUral Regional School Programming Contest 2011882562

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional593415

1905Travel in TimeUral Championship 20122111004

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247861

1930Ivan's CarUral Regional School Programming Contest 20121221179

1934Black SpotUral FU Championship 2012700309

1966Cycling RoadsUral FU Personal Contest 2013316619

1980Road to InvestorUral Championship 2013338571

1982Electrification PlanUral FU Championship 20131557123

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional216732

2017Best of a bad lotNEERC 2014 Eastern Subregional1461061

2030Awesome Backup SystemUral Regional School Programming Contest 2014373429

2034CaravansUral Regional School Programming Contest 2014595272

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest652172

2055Urban GeographyUral Championship 20151081275

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014841268

2113Survive the floodUniversity academic school olympiad in informatics 2019120388

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest92531

2128Rubina's SolitaireLater is better than never40861

2132Graph Decomposition. Version 2Later is better than never181538

2140BitMazeCraftUral School Programming Contest 2019271016

2147City BuildingUral School Programming Contest 2019121709