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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1837Isenbaev's NumberUral Championship 2011472357

1119MetroAutumn School Contest 2001600174

1106Two TeamsTetrahedron Team Online Contest May 2001575177

1136ParliamentNEERC 2001 Central Subregional448499

1982Electrification PlanUral FU Championship 20131604123

1022Genealogical TreeAutumn School Contest 20009992137

1280Topological SortingNEERC 2003 Central Subregional3118147

1210Kind SpiritsAutumn School Contest 20023045148

1272Non-Yekaterinburg SubwayUSU Championship 20032976154

1709Penguin-AviaUral Championship 20092179154

1930Ivan's CarUral Regional School Programming Contest 20121271177

1242WerewolfUSU Personal Contest 20032187207

1208Legendary Teams ContestUSU Local Contest. March 20022108211

1033LabyrinthUral Championship 19995946230

1205By the Underground or by Foot?USU Local Contest. March 20021910233

1109ConferenceBulgarian Online Contest September 20011797246

1080Map ColoringWinter Mathematical Festival Varna 20014918247

2034CaravansUral Regional School Programming Contest 2014636264

1450Russian PipelinesTimus Top Coders: Second Challenge1615275

1160NetworkNEERC 2001 Northern Subregional1528294

1137Bus RoutesNEERC 2001 Central Subregional1499295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1039297

1320Graph DecompositionUral Championship 2004. Round 21516302

1124MosaicUSU Championship 20011444306

1227Rally ChampionshipNEERC 2002 Central Subregional1444311

1934Black SpotUral FU Championship 2012714311

1218Episode N-th: The Jedi TournamentUSU Championship 20021372327

1156Two RoundsUral Championship 2001. Round 21329333

2113Survive the floodUniversity academic school olympiad in informatics 2019161336

1008Image EncodingUSTU PhysTech Cup 20004009343

1651Shortest SubchainNEERC 2008 Eastern Subregional1005347

1176HyperchannelsUSU Personal Contest 20021232360

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011140387

1291Gear-wheelsSpring School Contest 20041141400

1077Travelling Tours1087405

1416ConfidentialUSU Championship 20051119414

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional607415

1128Partition into GroupsUSU Championship 20011054418

2030Awesome Backup SystemUral Regional School Programming Contest 2014387430

1162Currency ExchangeNEERC 2001 Northern Subregional1003440

1129Door PaintingUSU Championship 2001976451

1643Attack of the Dark FortressAutumn School Contest 2008761458

1329Galactic HistoryAutumn School Contest 2004982468

1641DutiesAutumn School Contest 2008738472

1072RoutingUSU Personal Contest 20012550481

1045Funny GameUSU Local Contest. March 20002616510

1182Team Them Up!NEERC 2001860514

1069Prufer CodeUSU Personal Contest 20012352521

1198Jobbery875529

1056Computer NetNEERC 2000 Central Subregional2502532

1400Cellular CharactersAutumn School Contest 2005848546

1421Credit OperationsTimus Top Coders: First Challenge821547

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional575548

1325DirtUral Championship 2004. Round 2819557

1358CablesSpring School Contest 2005820562

1004Sightseeing TripCentral European Olympiad in Informatics 19992436564

1980Road to InvestorUral Championship 2013345576

1806Mobile TelegraphsNEERC 2010 Eastern Subregional479586

1085MeetingSpring School Contest 20012032591

1966Cycling RoadsUral FU Personal Contest 2013324622

1314Chase in SubwayUral Championship 2004. Round 1719633

1500Pass LicensesNEERC 2006 Eastern Subregional661636

1254Die HardUSU Local Contest. March 2003690649

1076Trash1817670

1096Get the Right Route Plate!USU Local Contest. March 20011657688

1379Cups TransportationUral Championship 2005. Round 1654706

1250Sea BurialUSU Local Contest. March 2003629711

1301Cube in LabyrinthUral Championship 1998613740

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional220746

1392Dreaming of Stars611755

2128Rubina's SolitaireLater is better than never56760

1016Cube on the WalkUSU Local Contest. 19991760776

1277Cops and ThievesNEERC 2003 Central Subregional574785

1323ClassmatesUral Championship 2004. Round 2554818

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional249877

1580Dean's DebtsAutumn School Contest 2007432883

1339BabiesUSU Championship 2004496921

1575Yekaterinburg Subway 2Autumn School Contest 2007412924

2140BitMazeCraftUral School Programming Contest 201938931

1630TalismanUSU Championship 2008363950

1237Evacuation PlanNEERC 2002463958

1040Airline CompanyUSU Championship 20001366985

1905Travel in TimeUral Championship 20122141016

1569Networking the “Iset”USU Championship 20073681034

1434Buses in VasyukiUSU Personal Contest 20064261040

1447Portkey NetworkUral Championship 20064211044

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3131053

1533Fat HobbitsUSU Personal Contest 20073721082

2017Best of a bad lotNEERC 2014 Eastern Subregional1471094

1099Work Scheduling8821163

1441From the History of Gringotts BankUral Championship 20063651200

1544Classmates 3Ural Championship 20073301200

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014931220

1487Chinese FootballUSU Championship 20063261276

2055Urban GeographyUral Championship 20151111295

1035Cross-stitchUral Championship 199910251318

1419Maps of the Island WorldsUSU Championship 20053441319

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2961355

1065FrontierNEERC 20009041385

1281River BasinNEERC 2003 Central Subregional3191394

1449Credit Operations 2Timus Top Coders: Second Challenge3011438

2147City BuildingUral School Programming Contest 2019211442

2132Graph Decomposition. Version 2Later is better than never231519

1337BureaucracyAutumn School Contest 20042811596

1770The Party of Ural ChampionsUral Championship 20101781619

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191713

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1901729

1338AutomobilesUSU Championship 20042521779

1610CactusesUral Championship 20081911857

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1671965

1315MDPAR and MIIARUral Championship 2004. Round 12221989

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672196

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21992235

1833Hopes of RowingUral Championship 20111052358

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest132397

1270UnicubeUSU Championship 20031782438

1652Banking CrisisNEERC 2008 Eastern Subregional1312500

1882Old NokiaUral Regional School Programming Contest 2011902566

1505Oil TransferNEERC 2006 Eastern Subregional1332982

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013063

1367Top SecretUral Championship 2005. Round 21423073

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003270

1199Mouse1033713

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524184

1271Sailing DirectionsUSU Championship 2003874725

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715310

1399Economical Director2910755