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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1837Isenbaev's NumberUral Championship 2011486957

1119MetroAutumn School Contest 2001612773

1106Two TeamsTetrahedron Team Online Contest May 2001587676

1136ParliamentNEERC 2001 Central Subregional455399

1982Electrification PlanUral FU Championship 20131673123

1022Genealogical TreeAutumn School Contest 200010112137

1280Topological SortingNEERC 2003 Central Subregional3199145

1210Kind SpiritsAutumn School Contest 20023102147

1272Non-Yekaterinburg SubwayUSU Championship 20033047152

1709Penguin-AviaUral Championship 20092233154

1930Ivan's CarUral Regional School Programming Contest 20121335174

1242WerewolfUSU Personal Contest 20032237204

1208Legendary Teams ContestUSU Local Contest. March 20022142210

1033LabyrinthUral Championship 19996043229

1205By the Underground or by Foot?USU Local Contest. March 20021945232

1080Map ColoringWinter Mathematical Festival Varna 20015094242

1109ConferenceBulgarian Online Contest September 20011822245

2034CaravansUral Regional School Programming Contest 2014701252

1450Russian PipelinesTimus Top Coders: Second Challenge1762255

1160NetworkNEERC 2001 Northern Subregional1667273

1137Bus RoutesNEERC 2001 Central Subregional1531292

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1063296

1320Graph DecompositionUral Championship 2004. Round 21551299

1124MosaicUSU Championship 20011471304

1227Rally ChampionshipNEERC 2002 Central Subregional1472309

1934Black SpotUral FU Championship 2012734313

1218Episode N-th: The Jedi TournamentUSU Championship 20021397325

1156Two RoundsUral Championship 2001. Round 21351331

2113Survive the floodUniversity academic school olympiad in informatics 2019191332

1008Image EncodingUSTU PhysTech Cup 20004042344

1651Shortest SubchainNEERC 2008 Eastern Subregional1031345

1176HyperchannelsUSU Personal Contest 20021252358

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011163384

1291Gear-wheelsSpring School Contest 20041157399

1077Travelling Tours1109402

1162Currency ExchangeNEERC 2001 Northern Subregional1094408

1416ConfidentialUSU Championship 20051137412

1128Partition into GroupsUSU Championship 20011073415

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional616421

2030Awesome Backup SystemUral Regional School Programming Contest 2014410426

1129Door PaintingUSU Championship 2001993449

1643Attack of the Dark FortressAutumn School Contest 2008777457

1329Galactic HistoryAutumn School Contest 20041001465

1641DutiesAutumn School Contest 2008756469

1072RoutingUSU Personal Contest 20012580481

1182Team Them Up!NEERC 2001885506

1045Funny GameUSU Local Contest. March 20002667507

1198Jobbery911514

1069Prufer CodeUSU Personal Contest 20012403516

1806Mobile TelegraphsNEERC 2010 Eastern Subregional554521

1056Computer NetNEERC 2000 Central Subregional2557527

1421Credit OperationsTimus Top Coders: First Challenge843540

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional594542

1400Cellular CharactersAutumn School Contest 2005861544

1325DirtUral Championship 2004. Round 2832554

1358CablesSpring School Contest 2005838556

1004Sightseeing TripCentral European Olympiad in Informatics 19992473563

1980Road to InvestorUral Championship 2013360574

1085MeetingSpring School Contest 20012048594

1966Cycling RoadsUral FU Personal Contest 2013336623

1314Chase in SubwayUral Championship 2004. Round 1737625

1500Pass LicensesNEERC 2006 Eastern Subregional676630

1254Die HardUSU Local Contest. March 2003704644

1076Trash1837671

1096Get the Right Route Plate!USU Local Contest. March 20011699680

1379Cups TransportationUral Championship 2005. Round 1669698

1250Sea BurialUSU Local Contest. March 2003635713

1301Cube in LabyrinthUral Championship 1998623737

1392Dreaming of Stars618755

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional224769

1016Cube on the WalkUSU Local Contest. 19991783776

1277Cops and ThievesNEERC 2003 Central Subregional580786

2128Rubina's SolitaireLater is better than never65794

1323ClassmatesUral Championship 2004. Round 2561817

2140BitMazeCraftUral School Programming Contest 201954847

1580Dean's DebtsAutumn School Contest 2007440880

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253893

1575Yekaterinburg Subway 2Autumn School Contest 2007425911

1339BabiesUSU Championship 2004501923

1237Evacuation PlanNEERC 2002471953

1630TalismanUSU Championship 2008368955

1040Airline CompanyUSU Championship 20001401973

1905Travel in TimeUral Championship 20122221014

1569Networking the “Iset”USU Championship 20073811015

1447Portkey NetworkUral Championship 20064301035

1434Buses in VasyukiUSU Personal Contest 20064301043

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3191053

1533Fat HobbitsUSU Personal Contest 20073811072

2017Best of a bad lotNEERC 2014 Eastern Subregional1531104

1099Work Scheduling8991156

1441From the History of Gringotts BankUral Championship 20063751183

1544Classmates 3Ural Championship 20073341203

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014971256

1487Chinese FootballUSU Championship 20063341263

1419Maps of the Island WorldsUSU Championship 20053521304

1035Cross-stitchUral Championship 199910421314

2055Urban GeographyUral Championship 20151151321

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3001356

1065FrontierNEERC 20009231374

1281River BasinNEERC 2003 Central Subregional3211402

2147City BuildingUral School Programming Contest 2019281426

1449Credit Operations 2Timus Top Coders: Second Challenge3021451

1337BureaucracyAutumn School Contest 20042871581

1770The Party of Ural ChampionsUral Championship 20101841604

2132Graph Decomposition. Version 2Later is better than never271610

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1951719

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201732

1338AutomobilesUSU Championship 20042531793

1610CactusesUral Championship 20081931870

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1731936

1315MDPAR and MIIARUral Championship 2004. Round 12261978

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest692245

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002249

1833Hopes of RowingUral Championship 20111052421

1270UnicubeUSU Championship 20031782467

1652Banking CrisisNEERC 2008 Eastern Subregional1312545

1882Old NokiaUral Regional School Programming Contest 2011912613

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142688

1505Oil TransferNEERC 2006 Eastern Subregional1333022

1367Top SecretUral Championship 2005. Round 21423108

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013122

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003328

1199Mouse1053698

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524302

1271Sailing DirectionsUSU Championship 2003874781

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715380

1399Economical Director2910903