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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992614580

1008Image EncodingUSTU PhysTech Cup 20004226359

1016Cube on the WalkUSU Local Contest. 19991868807

1022Genealogical TreeAutumn School Contest 200010836140

1033LabyrinthUral Championship 19996487232

1035Cross-stitchUral Championship 199911191334

1040Airline CompanyUSU Championship 20001496993

1045Funny GameUSU Local Contest. March 20002854516

1056Centers of the NetNEERC 2000 Central Subregional2696545

1065FrontierNEERC 20009941391

1069Prufer CodeUSU Personal Contest 20012622516

1072RoutingUSU Personal Contest 20012742493

1076Trash1912702

1077Travelling Tours1226396

1080Map ColoringWinter Mathematical Festival Varna 20016944193

1085MeetingSpring School Contest 20012147617

1096Get the Right Route Plate!USU Local Contest. March 20011796700

1099Work Scheduling9941139

1106Two TeamsTetrahedron Team Online Contest May 2001654274

1109ConferenceBulgarian Online Contest September 20011955249

1119MetroAutumn School Contest 2001691971

1124MosaicUSU Championship 20011635297

1128Partition into GroupsUSU Championship 20011185409

1129Door PaintingUSU Championship 20011133428

1136ParliamentNEERC 2001 Central Subregional493699

1137Bus RoutesNEERC 2001 Central Subregional1493326

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011347361

1156Two RoundsUral Championship 2001. Round 21492326

1160NetworkNEERC 2001 Northern Subregional3028163

1162Currency ExchangeNEERC 2001 Northern Subregional2139228

1176HyperchannelsUSU Personal Contest 20021444338

1182Team Them Up!NEERC 2001941517

1198Jobbery1037488

1199Mouse1263429

1205By the Underground or by Foot?USU Local Contest. March 20022069237

1208Legendary Teams ContestUSU Local Contest. March 20022311212

1210Kind SpiritsAutumn School Contest 20023030163

1218Episode N-th: The Jedi TournamentUSU Championship 20021536321

1227Rally ChampionshipNEERC 2002 Central Subregional1648299

1237Evacuation PlanNEERC 2002499977

1242WerewolfUSU Personal Contest 20032787178

1250Sea BurialUSU Local Contest. March 2003677725

1254Die HardUSU Local Contest. March 2003770639

1270UnicubeUSU Championship 20032012379

1271Sailing DirectionsUSU Championship 2003974692

1272Non-Yekaterinburg SubwayUSU Championship 20033376148

1277Cops and ThievesNEERC 2003 Central Subregional625791

1280Topological SortingNEERC 2003 Central Subregional3536142

1281River BasinNEERC 2003 Central Subregional3481403

1291Gear-wheelsSpring School Contest 20041300385

1301Cube in LabyrinthUral Championship 1998671741

1314Chase in SubwayUral Championship 2004. Round 1844591

1315MDPAR and MIIARUral Championship 2004. Round 12551905

1320Graph DecompositionUral Championship 2004. Round 21742288

1323ClassmatesUral Championship 2004. Round 2604822

1325DirtUral Championship 2004. Round 2928538

1329Galactic HistoryAutumn School Contest 20041085464

1337BureaucracyAutumn School Contest 20043161557

1338AutomobilesUSU Championship 20042741793

1339BabiesUSU Championship 2004579865

1358CablesSpring School Contest 2005929543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541932

1367Top SecretUral Championship 2005. Round 21553091

1379Cups TransportationUral Championship 2005. Round 1795635

1392Dreaming of Stars662761

1399Economical Director3310844

1400Cellular CharactersAutumn School Contest 2005928545

1416ConfidentialUSU Championship 20051279396

1419Maps of the Island WorldsUSU Championship 20054071223

1421Credit OperationsTimus Top Coders: First Challenge912541

1434Buses in VasyukiUSU Personal Contest 2006501974

1441From the History of Gringotts BankUral Championship 20064221145

1447Portkey NetworkUral Championship 2006487995

1449Credit Operations 2Timus Top Coders: Second Challenge3231477

1450Russian PipelinesTimus Top Coders: Second Challenge3037161

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest954534

1487Chinese FootballUSU Championship 20063641270

1500Pass LicensesNEERC 2006 Eastern Subregional735635

1505Oil TransferNEERC 2006 Eastern Subregional1532900

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3871163

1533Fat HobbitsUSU Personal Contest 20074401023

1544Classmates 3Ural Championship 20073581239

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361794

1569Networking the “Iset”USU Championship 2007454948

1575Yekaterinburg Subway 2Autumn School Contest 2007499863

1580Dean's DebtsAutumn School Contest 2007489880

1610CactusesUral Championship 20082051972

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1213140

1630TalismanUSU Championship 20083921011

1641DutiesAutumn School Contest 2008807496

1643Attack of the Dark FortressAutumn School Contest 2008953421

1651Shortest SubchainNEERC 2008 Eastern Subregional1165344

1652Banking CrisisNEERC 2008 Eastern Subregional1392716

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1941963

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2191741

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1133197

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3541080

1709Penguin-AviaUral Championship 20092548153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional649570

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1200303

1770The Party of Ural ChampionsUral Championship 20102031692

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1605213

1833Hopes of RowingUral Championship 20111512050

1837Isenbaev's NumberUral Championship 2011559659

1847ZamkadyePetrozavodsk Summer 2010. USU Contest624432

1882Old NokiaUral Regional School Programming Contest 20111072706

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional697447

1905Travel in TimeUral Championship 20122521107

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2271221

1930Ivan's CarUral Regional School Programming Contest 20121736165

1934Black SpotUral FU Championship 2012833341

1966Cycling RoadsUral FU Personal Contest 2013390679

1980Road to InvestorUral Championship 2013422622

1982Electrification PlanUral FU Championship 20131995131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251914

2017Best of a bad lotNEERC 2014 Eastern Subregional1741296

2030Awesome Backup SystemUral Regional School Programming Contest 2014478487

2034CaravansUral Regional School Programming Contest 2014814288

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest832539

2055Urban GeographyUral Championship 20151431469

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141381326

2113Survive the floodUniversity academic school olympiad in informatics 2019333389

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest263649

2128Rubina's SolitaireLater is better than never130905

2132Graph Decomposition. Version 2Later is better than never631737

2140BitMazeCraftUral School Programming Contest 20191021087

2147City BuildingUral School Programming Contest 2019561845

2155QuadrocopterUral School Programming Contest 202094912

2159EssayUral School Programming Contest 2021211426

2169City Building 2Ural School Programming Contest 2022112100