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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992523565

1008Image EncodingUSTU PhysTech Cup 20004083349

1016Cube on the WalkUSU Local Contest. 19991807783

1022Genealogical TreeAutumn School Contest 200010380137

1033LabyrinthUral Championship 19996143230

1035Cross-stitchUral Championship 199910571326

1040Airline CompanyUSU Championship 20001430975

1045Funny GameUSU Local Contest. March 20002726508

1056Centers of the NetNEERC 2000 Central Subregional2594532

1065FrontierNEERC 20009451374

1069Prufer CodeUSU Personal Contest 20012467515

1072RoutingUSU Personal Contest 20012611486

1076Trash1859678

1077Travelling Tours1142399

1080Map ColoringWinter Mathematical Festival Varna 20015507229

1085MeetingSpring School Contest 20012070601

1096Get the Right Route Plate!USU Local Contest. March 20011727684

1099Work Scheduling9341139

1106Two TeamsTetrahedron Team Online Contest May 2001605075

1109ConferenceBulgarian Online Contest September 20011862246

1119MetroAutumn School Contest 2001635272

1124MosaicUSU Championship 20011514302

1128Partition into GroupsUSU Championship 20011109411

1129Door PaintingUSU Championship 20011030442

1136ParliamentNEERC 2001 Central Subregional462599

1137Bus RoutesNEERC 2001 Central Subregional1339341

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011197382

1156Two RoundsUral Championship 2001. Round 21400327

1160NetworkNEERC 2001 Northern Subregional2023230

1162Currency ExchangeNEERC 2001 Northern Subregional1330344

1176HyperchannelsUSU Personal Contest 20021290356

1182Team Them Up!NEERC 2001894512

1198Jobbery936511

1199Mouse1083695

1205By the Underground or by Foot?USU Local Contest. March 20022014229

1208Legendary Teams ContestUSU Local Contest. March 20022186211

1210Kind SpiritsAutumn School Contest 20023167147

1218Episode N-th: The Jedi TournamentUSU Championship 20021445321

1227Rally ChampionshipNEERC 2002 Central Subregional1510307

1237Evacuation PlanNEERC 2002481954

1242WerewolfUSU Personal Contest 20032387196

1250Sea BurialUSU Local Contest. March 2003647715

1254Die HardUSU Local Contest. March 2003724640

1270UnicubeUSU Championship 20031852430

1271Sailing DirectionsUSU Championship 2003924645

1272Non-Yekaterinburg SubwayUSU Championship 20033128151

1277Cops and ThievesNEERC 2003 Central Subregional598780

1280Topological SortingNEERC 2003 Central Subregional3312143

1281River BasinNEERC 2003 Central Subregional3291398

1291Gear-wheelsSpring School Contest 20041197394

1301Cube in LabyrinthUral Championship 1998635739

1314Chase in SubwayUral Championship 2004. Round 1763617

1315MDPAR and MIIARUral Championship 2004. Round 12381922

1320Graph DecompositionUral Championship 2004. Round 21595297

1323ClassmatesUral Championship 2004. Round 2579809

1325DirtUral Championship 2004. Round 2855551

1329Galactic HistoryAutumn School Contest 20041016467

1337BureaucracyAutumn School Contest 20043021537

1338AutomobilesUSU Championship 20042621770

1339BabiesUSU Championship 2004530891

1358CablesSpring School Contest 2005865551

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22062232

1367Top SecretUral Championship 2005. Round 21453111

1379Cups TransportationUral Championship 2005. Round 1694687

1392Dreaming of Stars625762

1399Economical Director3010899

1400Cellular CharactersAutumn School Contest 2005875547

1416ConfidentialUSU Championship 20051171408

1419Maps of the Island WorldsUSU Championship 20053831227

1421Credit OperationsTimus Top Coders: First Challenge862540

1434Buses in VasyukiUSU Personal Contest 20064511017

1441From the History of Gringotts BankUral Championship 20063951150

1447Portkey NetworkUral Championship 20064411033

1449Credit Operations 2Timus Top Coders: Second Challenge3081455

1450Russian PipelinesTimus Top Coders: Second Challenge2037226

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest854698

1487Chinese FootballUSU Championship 20063431261

1500Pass LicensesNEERC 2006 Eastern Subregional693630

1505Oil TransferNEERC 2006 Eastern Subregional1472820

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3521191

1533Fat HobbitsUSU Personal Contest 20073971056

1544Classmates 3Ural Championship 20073441200

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2251743

1569Networking the “Iset”USU Championship 20073971003

1575Yekaterinburg Subway 2Autumn School Contest 2007436914

1580Dean's DebtsAutumn School Contest 2007450886

1610CactusesUral Championship 20081951908

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013405

1630TalismanUSU Championship 2008373973

1641DutiesAutumn School Contest 2008765479

1643Attack of the Dark FortressAutumn School Contest 2008793463

1651Shortest SubchainNEERC 2008 Eastern Subregional1070343

1652Banking CrisisNEERC 2008 Eastern Subregional1342576

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1821908

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2021719

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1023203

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3381031

1709Penguin-AviaUral Championship 20092316153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional611548

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1097299

1770The Party of Ural ChampionsUral Championship 20101871645

1806Mobile TelegraphsNEERC 2010 Eastern Subregional760399

1833Hopes of RowingUral Championship 20111052538

1837Isenbaev's NumberUral Championship 2011506957

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544382

1882Old NokiaUral Regional School Programming Contest 2011932696

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional637428

1905Travel in TimeUral Championship 20122341023

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional255940

1930Ivan's CarUral Regional School Programming Contest 20121443171

1934Black SpotUral FU Championship 2012761321

1966Cycling RoadsUral FU Personal Contest 2013349642

1980Road to InvestorUral Championship 2013377587

1982Electrification PlanUral FU Championship 20131766125

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional233803

2017Best of a bad lotNEERC 2014 Eastern Subregional1561176

2030Awesome Backup SystemUral Regional School Programming Contest 2014421451

2034CaravansUral Regional School Programming Contest 2014678282

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest742294

2055Urban GeographyUral Championship 20151211379

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141111244

2113Survive the floodUniversity academic school olympiad in informatics 2019234345

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest143416

2128Rubina's SolitaireLater is better than never86804

2132Graph Decomposition. Version 2Later is better than never351714

2140BitMazeCraftUral School Programming Contest 201975845

2147City BuildingUral School Programming Contest 2019401437

2155QuadrocopterUral School Programming Contest 202037924