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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992510563

1008Image EncodingUSTU PhysTech Cup 20004073347

1016Cube on the WalkUSU Local Contest. 19991806777

1022Genealogical TreeAutumn School Contest 200010226138

1033LabyrinthUral Championship 19996119229

1035Cross-stitchUral Championship 199910551318

1040Airline CompanyUSU Championship 20001425971

1045Funny GameUSU Local Contest. March 20002710506

1056Centers of the NetNEERC 2000 Central Subregional2581530

1065FrontierNEERC 20009421367

1069Prufer CodeUSU Personal Contest 20012444515

1072RoutingUSU Personal Contest 20012601484

1076Trash1852676

1077Travelling Tours1135399

1080Map ColoringWinter Mathematical Festival Varna 20015217239

1085MeetingSpring School Contest 20012064598

1096Get the Right Route Plate!USU Local Contest. March 20011717683

1099Work Scheduling9251141

1106Two TeamsTetrahedron Team Online Contest May 2001599476

1109ConferenceBulgarian Online Contest September 20011851245

1119MetroAutumn School Contest 2001628473

1124MosaicUSU Championship 20011504302

1128Partition into GroupsUSU Championship 20011107409

1129Door PaintingUSU Championship 20011028440

1136ParliamentNEERC 2001 Central Subregional460599

1137Bus RoutesNEERC 2001 Central Subregional1323343

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011192380

1156Two RoundsUral Championship 2001. Round 21395326

1160NetworkNEERC 2001 Northern Subregional1734266

1162Currency ExchangeNEERC 2001 Northern Subregional1115407

1176HyperchannelsUSU Personal Contest 20021278356

1182Team Them Up!NEERC 2001893509

1198Jobbery927512

1199Mouse1083664

1205By the Underground or by Foot?USU Local Contest. March 20022006228

1208Legendary Teams ContestUSU Local Contest. March 20022177210

1210Kind SpiritsAutumn School Contest 20023152147

1218Episode N-th: The Jedi TournamentUSU Championship 20021435321

1227Rally ChampionshipNEERC 2002 Central Subregional1506306

1237Evacuation PlanNEERC 2002476957

1242WerewolfUSU Personal Contest 20032287203

1250Sea BurialUSU Local Contest. March 2003645712

1254Die HardUSU Local Contest. March 2003721638

1270UnicubeUSU Championship 20031842424

1271Sailing DirectionsUSU Championship 2003924611

1272Non-Yekaterinburg SubwayUSU Championship 20033105151

1277Cops and ThievesNEERC 2003 Central Subregional593780

1280Topological SortingNEERC 2003 Central Subregional3283143

1281River BasinNEERC 2003 Central Subregional3271396

1291Gear-wheelsSpring School Contest 20041182397

1301Cube in LabyrinthUral Championship 1998633735

1314Chase in SubwayUral Championship 2004. Round 1745627

1315MDPAR and MIIARUral Championship 2004. Round 12361924

1320Graph DecompositionUral Championship 2004. Round 21575299

1323ClassmatesUral Championship 2004. Round 2575809

1325DirtUral Championship 2004. Round 2841556

1329Galactic HistoryAutumn School Contest 20041012466

1337BureaucracyAutumn School Contest 20042941566

1338AutomobilesUSU Championship 20042611764

1339BabiesUSU Championship 2004528888

1358CablesSpring School Contest 2005860550

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22052227

1367Top SecretUral Championship 2005. Round 21443109

1379Cups TransportationUral Championship 2005. Round 1685691

1392Dreaming of Stars624758

1399Economical Director3010806

1400Cellular CharactersAutumn School Contest 2005872545

1416ConfidentialUSU Championship 20051159409

1419Maps of the Island WorldsUSU Championship 20053791230

1421Credit OperationsTimus Top Coders: First Challenge855540

1434Buses in VasyukiUSU Personal Contest 20064411032

1441From the History of Gringotts BankUral Championship 20063871164

1447Portkey NetworkUral Championship 20064361036

1449Credit Operations 2Timus Top Coders: Second Challenge3081444

1450Russian PipelinesTimus Top Coders: Second Challenge1839248

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest735333

1487Chinese FootballUSU Championship 20063411257

1500Pass LicensesNEERC 2006 Eastern Subregional688629

1505Oil TransferNEERC 2006 Eastern Subregional1363008

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3471197

1533Fat HobbitsUSU Personal Contest 20073931057

1544Classmates 3Ural Championship 20073411200

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2221748

1569Networking the “Iset”USU Championship 2007395998

1575Yekaterinburg Subway 2Autumn School Contest 2007434909

1580Dean's DebtsAutumn School Contest 2007449879

1610CactusesUral Championship 20081951888

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013368

1630TalismanUSU Championship 2008372965

1641DutiesAutumn School Contest 2008762476

1643Attack of the Dark FortressAutumn School Contest 2008791459

1651Shortest SubchainNEERC 2008 Eastern Subregional1063342

1652Banking CrisisNEERC 2008 Eastern Subregional1322583

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1811896

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1991724

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013194

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3301043

1709Penguin-AviaUral Championship 20092291153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional605546

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1087298

1770The Party of Ural ChampionsUral Championship 20101861631

1806Mobile TelegraphsNEERC 2010 Eastern Subregional576516

1833Hopes of RowingUral Championship 20111052498

1837Isenbaev's NumberUral Championship 2011500157

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524447

1882Old NokiaUral Regional School Programming Contest 2011932650

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional634423

1905Travel in TimeUral Championship 20122321011

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254924

1930Ivan's CarUral Regional School Programming Contest 20121410171

1934Black SpotUral FU Championship 2012756316

1966Cycling RoadsUral FU Personal Contest 2013345634

1980Road to InvestorUral Championship 2013369586

1982Electrification PlanUral FU Championship 20131734124

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional231788

2017Best of a bad lotNEERC 2014 Eastern Subregional1561144

2030Awesome Backup SystemUral Regional School Programming Contest 2014417442

2034CaravansUral Regional School Programming Contest 2014660282

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest732258

2055Urban GeographyUral Championship 20151211338

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141101208

2113Survive the floodUniversity academic school olympiad in informatics 2019226331

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest143163

2128Rubina's SolitaireLater is better than never83764

2132Graph Decomposition. Version 2Later is better than never321691

2140BitMazeCraftUral School Programming Contest 201971812

2147City BuildingUral School Programming Contest 2019371399

2155QuadrocopterUral School Programming Contest 2020241091