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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992636580

1008Image EncodingUSTU PhysTech Cup 20004234361

1016Cube on the WalkUSU Local Contest. 19991873811

1022Genealogical TreeAutumn School Contest 200010865140

1033LabyrinthUral Championship 19996502233

1035Cross-stitchUral Championship 199911201342

1040Airline CompanyUSU Championship 20001503996

1045Funny GameUSU Local Contest. March 20002878516

1056Centers of the NetNEERC 2000 Central Subregional2708546

1065FrontierNEERC 20009991393

1069Prufer CodeUSU Personal Contest 20012641515

1072RoutingUSU Personal Contest 20012746496

1076Trash1915706

1077Travelling Tours1234396

1080Map ColoringWinter Mathematical Festival Varna 20017014192

1085MeetingSpring School Contest 20012156619

1096Get the Right Route Plate!USU Local Contest. March 20011805702

1099Work Scheduling10021138

1106Two TeamsTetrahedron Team Online Contest May 2001658474

1109ConferenceBulgarian Online Contest September 20011964249

1119MetroAutumn School Contest 2001696071

1124MosaicUSU Championship 20011646297

1128Partition into GroupsUSU Championship 20011193409

1129Door PaintingUSU Championship 20011142428

1136ParliamentNEERC 2001 Central Subregional495699

1137Bus RoutesNEERC 2001 Central Subregional1510324

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011356361

1156Two RoundsUral Championship 2001. Round 21498327

1160NetworkNEERC 2001 Northern Subregional3269152

1162Currency ExchangeNEERC 2001 Northern Subregional2351209

1176HyperchannelsUSU Personal Contest 20021451339

1182Team Them Up!NEERC 2001957512

1198Jobbery1044488

1199Mouse1283405

1205By the Underground or by Foot?USU Local Contest. March 20022075237

1208Legendary Teams ContestUSU Local Contest. March 20022325212

1210Kind SpiritsAutumn School Contest 20023054163

1218Episode N-th: The Jedi TournamentUSU Championship 20021544321

1227Rally ChampionshipNEERC 2002 Central Subregional1656300

1237Evacuation PlanNEERC 2002501979

1242WerewolfUSU Personal Contest 20032806178

1250Sea BurialUSU Local Contest. March 2003683724

1254Die HardUSU Local Contest. March 2003776638

1270UnicubeUSU Championship 20032022384

1271Sailing DirectionsUSU Championship 2003984679

1272Non-Yekaterinburg SubwayUSU Championship 20033399148

1277Cops and ThievesNEERC 2003 Central Subregional631789

1280Topological SortingNEERC 2003 Central Subregional3557142

1281River BasinNEERC 2003 Central Subregional3531393

1291Gear-wheelsSpring School Contest 20041310385

1301Cube in LabyrinthUral Championship 1998674742

1314Chase in SubwayUral Championship 2004. Round 1850591

1315MDPAR and MIIARUral Championship 2004. Round 12581896

1320Graph DecompositionUral Championship 2004. Round 21761287

1323ClassmatesUral Championship 2004. Round 2604827

1325DirtUral Championship 2004. Round 2931540

1329Galactic HistoryAutumn School Contest 20041095462

1337BureaucracyAutumn School Contest 20043181557

1338AutomobilesUSU Championship 20042761792

1339BabiesUSU Championship 2004583864

1358CablesSpring School Contest 2005934543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541944

1367Top SecretUral Championship 2005. Round 21622984

1379Cups TransportationUral Championship 2005. Round 1810628

1392Dreaming of Stars664764

1399Economical Director3410676

1400Cellular CharactersAutumn School Contest 2005928549

1416ConfidentialUSU Championship 20051286396

1419Maps of the Island WorldsUSU Championship 20054121216

1421Credit OperationsTimus Top Coders: First Challenge915543

1434Buses in VasyukiUSU Personal Contest 2006502978

1441From the History of Gringotts BankUral Championship 20064261142

1447Portkey NetworkUral Championship 20064881000

1449Credit Operations 2Timus Top Coders: Second Challenge3231487

1450Russian PipelinesTimus Top Coders: Second Challenge3165156

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974482

1487Chinese FootballUSU Championship 20063671269

1500Pass LicensesNEERC 2006 Eastern Subregional741634

1505Oil TransferNEERC 2006 Eastern Subregional1532921

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881169

1533Fat HobbitsUSU Personal Contest 20074471015

1544Classmates 3Ural Championship 20073601241

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361809

1569Networking the “Iset”USU Championship 2007463938

1575Yekaterinburg Subway 2Autumn School Contest 2007501867

1580Dean's DebtsAutumn School Contest 2007489888

1610CactusesUral Championship 20082061980

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1213170

1630TalismanUSU Championship 20083971008

1641DutiesAutumn School Contest 2008812498

1643Attack of the Dark FortressAutumn School Contest 2008959422

1651Shortest SubchainNEERC 2008 Eastern Subregional1175345

1652Banking CrisisNEERC 2008 Eastern Subregional1402724

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1961963

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2201750

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143203

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3571082

1709Penguin-AviaUral Championship 20092575153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional652573

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1209304

1770The Party of Ural ChampionsUral Championship 20102051696

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1727201

1833Hopes of RowingUral Championship 20111512077

1837Isenbaev's NumberUral Championship 2011563059

1847ZamkadyePetrozavodsk Summer 2010. USU Contest654314

1882Old NokiaUral Regional School Programming Contest 20111072744

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional700451

1905Travel in TimeUral Championship 20122551112

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281236

1930Ivan's CarUral Regional School Programming Contest 20121759166

1934Black SpotUral FU Championship 2012843343

1966Cycling RoadsUral FU Personal Contest 2013401673

1980Road to InvestorUral Championship 2013425629

1982Electrification PlanUral FU Championship 20132016132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional254922

2017Best of a bad lotNEERC 2014 Eastern Subregional1751316

2030Awesome Backup SystemUral Regional School Programming Contest 2014481494

2034CaravansUral Regional School Programming Contest 2014829289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest852538

2055Urban GeographyUral Championship 20151451482

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141431317

2113Survive the floodUniversity academic school olympiad in informatics 2019343394

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest263806

2128Rubina's SolitaireLater is better than never131939

2132Graph Decomposition. Version 2Later is better than never821440

2140BitMazeCraftUral School Programming Contest 20191051109

2147City BuildingUral School Programming Contest 2019591848

2155QuadrocopterUral School Programming Contest 202097942

2159EssayUral School Programming Contest 2021271363

2169City Building 2Ural School Programming Contest 2022142098