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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992477563

1008Image EncodingUSTU PhysTech Cup 20004045345

1016Cube on the WalkUSU Local Contest. 19991793773

1022Genealogical TreeAutumn School Contest 200010131137

1033LabyrinthUral Championship 19996062229

1035Cross-stitchUral Championship 199910431316

1040Airline CompanyUSU Championship 20001409969

1045Funny GameUSU Local Contest. March 20002677506

1056Computer NetNEERC 2000 Central Subregional2559528

1065FrontierNEERC 20009281370

1069Prufer CodeUSU Personal Contest 20012414515

1072RoutingUSU Personal Contest 20012582482

1076Trash1840671

1077Travelling Tours1110402

1080Map ColoringWinter Mathematical Festival Varna 20015104242

1085MeetingSpring School Contest 20012052594

1096Get the Right Route Plate!USU Local Contest. March 20011704679

1099Work Scheduling9001158

1106Two TeamsTetrahedron Team Online Contest May 2001589376

1109ConferenceBulgarian Online Contest September 20011824246

1119MetroAutumn School Contest 2001615073

1124MosaicUSU Championship 20011474304

1128Partition into GroupsUSU Championship 20011073416

1129Door PaintingUSU Championship 2001994449

1136ParliamentNEERC 2001 Central Subregional456499

1137Bus RoutesNEERC 2001 Central Subregional1535292

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011166384

1156Two RoundsUral Championship 2001. Round 21352332

1160NetworkNEERC 2001 Northern Subregional1676272

1162Currency ExchangeNEERC 2001 Northern Subregional1095409

1176HyperchannelsUSU Personal Contest 20021253359

1182Team Them Up!NEERC 2001885507

1198Jobbery916512

1199Mouse1053708

1205By the Underground or by Foot?USU Local Contest. March 20021949232

1208Legendary Teams ContestUSU Local Contest. March 20022151210

1210Kind SpiritsAutumn School Contest 20023115147

1218Episode N-th: The Jedi TournamentUSU Championship 20021400325

1227Rally ChampionshipNEERC 2002 Central Subregional1477308

1237Evacuation PlanNEERC 2002473951

1242WerewolfUSU Personal Contest 20032246204

1250Sea BurialUSU Local Contest. March 2003636713

1254Die HardUSU Local Contest. March 2003706643

1270UnicubeUSU Championship 20031782472

1271Sailing DirectionsUSU Championship 2003884743

1272Non-Yekaterinburg SubwayUSU Championship 20033055152

1277Cops and ThievesNEERC 2003 Central Subregional582786

1280Topological SortingNEERC 2003 Central Subregional3207145

1281River BasinNEERC 2003 Central Subregional3231396

1291Gear-wheelsSpring School Contest 20041161399

1301Cube in LabyrinthUral Championship 1998624737

1314Chase in SubwayUral Championship 2004. Round 1738625

1315MDPAR and MIIARUral Championship 2004. Round 12261982

1320Graph DecompositionUral Championship 2004. Round 21555299

1323ClassmatesUral Championship 2004. Round 2562818

1325DirtUral Championship 2004. Round 2834554

1329Galactic HistoryAutumn School Contest 20041004464

1337BureaucracyAutumn School Contest 20042871585

1338AutomobilesUSU Championship 20042541790

1339BabiesUSU Championship 2004501925

1358CablesSpring School Contest 2005844554

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002254

1367Top SecretUral Championship 2005. Round 21423114

1379Cups TransportationUral Championship 2005. Round 1672696

1392Dreaming of Stars619755

1399Economical Director2910931

1400Cellular CharactersAutumn School Contest 2005863544

1416ConfidentialUSU Championship 20051138412

1419Maps of the Island WorldsUSU Championship 20053531304

1421Credit OperationsTimus Top Coders: First Challenge843541

1434Buses in VasyukiUSU Personal Contest 20064311043

1441From the History of Gringotts BankUral Championship 20063761183

1447Portkey NetworkUral Championship 20064301038

1449Credit Operations 2Timus Top Coders: Second Challenge3031449

1450Russian PipelinesTimus Top Coders: Second Challenge1769255

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715393

1487Chinese FootballUSU Championship 20063351262

1500Pass LicensesNEERC 2006 Eastern Subregional678630

1505Oil TransferNEERC 2006 Eastern Subregional1333030

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3031346

1533Fat HobbitsUSU Personal Contest 20073811074

1544Classmates 3Ural Championship 20073341206

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201737

1569Networking the “Iset”USU Championship 20073871003

1575Yekaterinburg Subway 2Autumn School Contest 2007427909

1580Dean's DebtsAutumn School Contest 2007440883

1610CactusesUral Championship 20081931876

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003339

1630TalismanUSU Championship 2008369955

1641DutiesAutumn School Contest 2008756471

1643Attack of the Dark FortressAutumn School Contest 2008779457

1651Shortest SubchainNEERC 2008 Eastern Subregional1033345

1652Banking CrisisNEERC 2008 Eastern Subregional1322536

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1731943

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1951725

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013133

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3211051

1709Penguin-AviaUral Championship 20092245153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional595543

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1069296

1770The Party of Ural ChampionsUral Championship 20101841611

1806Mobile TelegraphsNEERC 2010 Eastern Subregional559519

1833Hopes of RowingUral Championship 20111052433

1837Isenbaev's NumberUral Championship 2011489057

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524325

1882Old NokiaUral Regional School Programming Contest 2011912627

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional617422

1905Travel in TimeUral Championship 20122261003

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253898

1930Ivan's CarUral Regional School Programming Contest 20121346174

1934Black SpotUral FU Championship 2012737314

1966Cycling RoadsUral FU Personal Contest 2013338624

1980Road to InvestorUral Championship 2013360578

1982Electrification PlanUral FU Championship 20131680123

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional225772

2017Best of a bad lotNEERC 2014 Eastern Subregional1541107

2030Awesome Backup SystemUral Regional School Programming Contest 2014412428

2034CaravansUral Regional School Programming Contest 2014620286

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest692265

2055Urban GeographyUral Championship 20151171312

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014971271

2113Survive the floodUniversity academic school olympiad in informatics 2019197331

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142762

2128Rubina's SolitaireLater is better than never67797

2132Graph Decomposition. Version 2Later is better than never271658

2140BitMazeCraftUral School Programming Contest 201955861

2147City BuildingUral School Programming Contest 2019291436