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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992495563

1008Image EncodingUSTU PhysTech Cup 20004061346

1016Cube on the WalkUSU Local Contest. 19991803774

1022Genealogical TreeAutumn School Contest 200010178138

1033LabyrinthUral Championship 19996094229

1035Cross-stitchUral Championship 199910521314

1040Airline CompanyUSU Championship 20001414973

1045Funny GameUSU Local Contest. March 20002702505

1056Computer NetNEERC 2000 Central Subregional2574529

1065FrontierNEERC 20009381365

1069Prufer CodeUSU Personal Contest 20012437514

1072RoutingUSU Personal Contest 20012591484

1076Trash1845674

1077Travelling Tours1126400

1080Map ColoringWinter Mathematical Festival Varna 20015149241

1085MeetingSpring School Contest 20012059596

1096Get the Right Route Plate!USU Local Contest. March 20011718679

1099Work Scheduling9121151

1106Two TeamsTetrahedron Team Online Contest May 2001596576

1109ConferenceBulgarian Online Contest September 20011843245

1119MetroAutumn School Contest 2001622373

1124MosaicUSU Championship 20011497301

1128Partition into GroupsUSU Championship 20011104408

1129Door PaintingUSU Championship 20011015443

1136ParliamentNEERC 2001 Central Subregional459599

1137Bus RoutesNEERC 2001 Central Subregional1311344

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011180382

1156Two RoundsUral Championship 2001. Round 21385326

1160NetworkNEERC 2001 Northern Subregional1698270

1162Currency ExchangeNEERC 2001 Northern Subregional1102409

1176HyperchannelsUSU Personal Contest 20021267357

1182Team Them Up!NEERC 2001892506

1198Jobbery924511

1199Mouse1083642

1205By the Underground or by Foot?USU Local Contest. March 20021990229

1208Legendary Teams ContestUSU Local Contest. March 20022164210

1210Kind SpiritsAutumn School Contest 20023141146

1218Episode N-th: The Jedi TournamentUSU Championship 20021428321

1227Rally ChampionshipNEERC 2002 Central Subregional1502305

1237Evacuation PlanNEERC 2002474956

1242WerewolfUSU Personal Contest 20032270203

1250Sea BurialUSU Local Contest. March 2003644709

1254Die HardUSU Local Contest. March 2003716639

1270UnicubeUSU Championship 20031832424

1271Sailing DirectionsUSU Championship 2003924587

1272Non-Yekaterinburg SubwayUSU Championship 20033088151

1277Cops and ThievesNEERC 2003 Central Subregional587784

1280Topological SortingNEERC 2003 Central Subregional3261143

1281River BasinNEERC 2003 Central Subregional3261393

1291Gear-wheelsSpring School Contest 20041173398

1301Cube in LabyrinthUral Championship 1998630735

1314Chase in SubwayUral Championship 2004. Round 1743625

1315MDPAR and MIIARUral Championship 2004. Round 12321946

1320Graph DecompositionUral Championship 2004. Round 21567299

1323ClassmatesUral Championship 2004. Round 2566817

1325DirtUral Championship 2004. Round 2840554

1329Galactic HistoryAutumn School Contest 20041010465

1337BureaucracyAutumn School Contest 20042921569

1338AutomobilesUSU Championship 20042601762

1339BabiesUSU Championship 2004518901

1358CablesSpring School Contest 2005856550

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22022247

1367Top SecretUral Championship 2005. Round 21443094

1379Cups TransportationUral Championship 2005. Round 1681692

1392Dreaming of Stars623755

1399Economical Director3010742

1400Cellular CharactersAutumn School Contest 2005868544

1416ConfidentialUSU Championship 20051150411

1419Maps of the Island WorldsUSU Championship 20053561301

1421Credit OperationsTimus Top Coders: First Challenge852539

1434Buses in VasyukiUSU Personal Contest 20064371036

1441From the History of Gringotts BankUral Championship 20063811176

1447Portkey NetworkUral Championship 20064331038

1449Credit Operations 2Timus Top Coders: Second Challenge3051450

1450Russian PipelinesTimus Top Coders: Second Challenge1787254

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest725368

1487Chinese FootballUSU Championship 20063401254

1500Pass LicensesNEERC 2006 Eastern Subregional682631

1505Oil TransferNEERC 2006 Eastern Subregional1353011

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3441200

1533Fat HobbitsUSU Personal Contest 20073911056

1544Classmates 3Ural Championship 20073391199

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201752

1569Networking the “Iset”USU Championship 2007392999

1575Yekaterinburg Subway 2Autumn School Contest 2007431909

1580Dean's DebtsAutumn School Contest 2007444883

1610CactusesUral Championship 20081931893

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013342

1630TalismanUSU Championship 2008370963

1641DutiesAutumn School Contest 2008760473

1643Attack of the Dark FortressAutumn School Contest 2008788457

1651Shortest SubchainNEERC 2008 Eastern Subregional1053342

1652Banking CrisisNEERC 2008 Eastern Subregional1322562

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1791901

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1971726

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013168

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3261046

1709Penguin-AviaUral Championship 20092277153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional601544

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1076298

1770The Party of Ural ChampionsUral Championship 20101851623

1806Mobile TelegraphsNEERC 2010 Eastern Subregional563522

1833Hopes of RowingUral Championship 20111052470

1837Isenbaev's NumberUral Championship 2011495757

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524394

1882Old NokiaUral Regional School Programming Contest 2011932618

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional631420

1905Travel in TimeUral Championship 20122291009

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253915

1930Ivan's CarUral Regional School Programming Contest 20121388172

1934Black SpotUral FU Championship 2012746316

1966Cycling RoadsUral FU Personal Contest 2013343628

1980Road to InvestorUral Championship 2013365583

1982Electrification PlanUral FU Championship 20131715123

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional228783

2017Best of a bad lotNEERC 2014 Eastern Subregional1541136

2030Awesome Backup SystemUral Regional School Programming Contest 2014413438

2034CaravansUral Regional School Programming Contest 2014644283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest712268

2055Urban GeographyUral Championship 20151191330

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141081196

2113Survive the floodUniversity academic school olympiad in informatics 2019211335

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142990

2128Rubina's SolitaireLater is better than never71825

2132Graph Decomposition. Version 2Later is better than never301671

2140BitMazeCraftUral School Programming Contest 201959892

2147City BuildingUral School Programming Contest 2019311501