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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1022Genealogical TreeAutumn School Contest 20009930137

1119MetroAutumn School Contest 2001593274

1033LabyrinthUral Championship 19995924229

1106Two TeamsTetrahedron Team Online Contest May 2001569877

1080Map ColoringWinter Mathematical Festival Varna 20014873248

1837Isenbaev's NumberUral Championship 2011465557

1136ParliamentNEERC 2001 Central Subregional445399

1008Image EncodingUSTU PhysTech Cup 20003996342

1280Topological SortingNEERC 2003 Central Subregional3092147

1210Kind SpiritsAutumn School Contest 20023016148

1272Non-Yekaterinburg SubwayUSU Championship 20032949154

1045Funny GameUSU Local Contest. March 20002600510

1072RoutingUSU Personal Contest 20012536481

1056Computer NetNEERC 2000 Central Subregional2491531

1004Sightseeing TripCentral European Olympiad in Informatics 19992425563

1069Prufer CodeUSU Personal Contest 20012338521

1242WerewolfUSU Personal Contest 20032160208

1709Penguin-AviaUral Championship 20092158155

1208Legendary Teams ContestUSU Local Contest. March 20022081213

1085MeetingSpring School Contest 20012022590

1205By the Underground or by Foot?USU Local Contest. March 20021895233

1076Trash1813667

1109ConferenceBulgarian Online Contest September 20011782246

1016Cube on the WalkUSU Local Contest. 19991751775

1096Get the Right Route Plate!USU Local Contest. March 20011648688

1450Russian PipelinesTimus Top Coders: Second Challenge1590278

1982Electrification PlanUral FU Championship 20131582123

1160NetworkNEERC 2001 Northern Subregional1512296

1320Graph DecompositionUral Championship 2004. Round 21499304

1137Bus RoutesNEERC 2001 Central Subregional1487295

1227Rally ChampionshipNEERC 2002 Central Subregional1434311

1124MosaicUSU Championship 20011433306

1040Airline CompanyUSU Championship 20001361983

1218Episode N-th: The Jedi TournamentUSU Championship 20021351330

1156Two RoundsUral Championship 2001. Round 21316334

1930Ivan's CarUral Regional School Programming Contest 20121236179

1176HyperchannelsUSU Personal Contest 20021216362

1291Gear-wheelsSpring School Contest 20041131402

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011127389

1416ConfidentialUSU Championship 20051108416

1077Travelling Tours1080405

1128Partition into GroupsUSU Championship 20011038422

1035Cross-stitchUral Championship 199910231313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1023298

1651Shortest SubchainNEERC 2008 Eastern Subregional999346

1162Currency ExchangeNEERC 2001 Northern Subregional988444

1329Galactic HistoryAutumn School Contest 2004978468

1129Door PaintingUSU Championship 2001962455

1065FrontierNEERC 20009021380

1099Work Scheduling8751166

1198Jobbery864533

1182Team Them Up!NEERC 2001854515

1400Cellular CharactersAutumn School Contest 2005848543

1358CablesSpring School Contest 2005817561

1421Credit OperationsTimus Top Coders: First Challenge815549

1325DirtUral Championship 2004. Round 2814557

1643Attack of the Dark FortressAutumn School Contest 2008757457

1641DutiesAutumn School Contest 2008735470

1314Chase in SubwayUral Championship 2004. Round 1714634

1934Black SpotUral FU Championship 2012703311

1254Die HardUSU Local Contest. March 2003685650

1500Pass LicensesNEERC 2006 Eastern Subregional658635

1379Cups TransportationUral Championship 2005. Round 1647710

1250Sea BurialUSU Local Contest. March 2003625712

2034CaravansUral Regional School Programming Contest 2014613268

1301Cube in LabyrinthUral Championship 1998610740

1392Dreaming of Stars609753

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional599415

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional574544

1277Cops and ThievesNEERC 2003 Central Subregional570787

1323ClassmatesUral Championship 2004. Round 2547824

1339BabiesUSU Championship 2004494920

1806Mobile TelegraphsNEERC 2010 Eastern Subregional471589

1237Evacuation PlanNEERC 2002461957

1434Buses in VasyukiUSU Personal Contest 20064241039

1580Dean's DebtsAutumn School Contest 2007423895

1447Portkey NetworkUral Championship 20064181046

1575Yekaterinburg Subway 2Autumn School Contest 2007409925

2030Awesome Backup SystemUral Regional School Programming Contest 2014378430

1533Fat HobbitsUSU Personal Contest 20073701080

1569Networking the “Iset”USU Championship 20073641038

1630TalismanUSU Championship 2008363943

1441From the History of Gringotts BankUral Championship 20063551226

1419Maps of the Island WorldsUSU Championship 20053421320

1980Road to InvestorUral Championship 2013339576

1544Classmates 3Ural Championship 20073271203

1487Chinese FootballUSU Championship 20063261268

1281River BasinNEERC 2003 Central Subregional3181391

1966Cycling RoadsUral FU Personal Contest 2013318623

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3101053

1449Credit Operations 2Timus Top Coders: Second Challenge3011430

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2951350

1337BureaucracyAutumn School Contest 20042801593

1338AutomobilesUSU Championship 20042511777

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247870

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191701

1315MDPAR and MIIARUral Championship 2004. Round 12182013

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional217740

1905Travel in TimeUral Championship 20122121010

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21972245

1610CactusesUral Championship 20081911843

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1891723

1270UnicubeUSU Championship 20031782425

1770The Party of Ural ChampionsUral Championship 20101761619

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1671949

2113Survive the floodUniversity academic school olympiad in informatics 2019147339

2017Best of a bad lotNEERC 2014 Eastern Subregional1461077

1367Top SecretUral Championship 2005. Round 21383140

1505Oil TransferNEERC 2006 Eastern Subregional1313006

1652Banking CrisisNEERC 2008 Eastern Subregional1302497

2055Urban GeographyUral Championship 20151081296

1199Mouse1033690

1833Hopes of RowingUral Championship 20111032371

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest983304

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest983121

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014891230

1882Old NokiaUral Regional School Programming Contest 2011882584

1271Sailing DirectionsUSU Championship 2003854799

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest695412

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672148

1847ZamkadyePetrozavodsk Summer 2010. USU Contest514198

2128Rubina's SolitaireLater is better than never49778

2140BitMazeCraftUral School Programming Contest 201935898

1399Economical Director2910688

2132Graph Decomposition. Version 2Later is better than never191582

2147City BuildingUral School Programming Contest 2019181444

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest92679