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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1022Genealogical TreeAutumn School Contest 200010025137

1119MetroAutumn School Contest 2001603774

1033LabyrinthUral Championship 19995973230

1106Two TeamsTetrahedron Team Online Contest May 2001579776

1080Map ColoringWinter Mathematical Festival Varna 20015014243

1837Isenbaev's NumberUral Championship 2011477157

1136ParliamentNEERC 2001 Central Subregional450399

1008Image EncodingUSTU PhysTech Cup 20004020343

1280Topological SortingNEERC 2003 Central Subregional3144146

1210Kind SpiritsAutumn School Contest 20023061148

1272Non-Yekaterinburg SubwayUSU Championship 20033000153

1045Funny GameUSU Local Contest. March 20002630509

1072RoutingUSU Personal Contest 20012564480

1056Computer NetNEERC 2000 Central Subregional2516531

1004Sightseeing TripCentral European Olympiad in Informatics 19992451563

1069Prufer CodeUSU Personal Contest 20012363521

1242WerewolfUSU Personal Contest 20032209205

1709Penguin-AviaUral Championship 20092197154

1208Legendary Teams ContestUSU Local Contest. March 20022119211

1085MeetingSpring School Contest 20012037592

1205By the Underground or by Foot?USU Local Contest. March 20021919233

1076Trash1822671

1109ConferenceBulgarian Online Contest September 20011805245

1016Cube on the WalkUSU Local Contest. 19991767776

1450Russian PipelinesTimus Top Coders: Second Challenge1685265

1096Get the Right Route Plate!USU Local Contest. March 20011663688

1982Electrification PlanUral FU Championship 20131625123

1160NetworkNEERC 2001 Northern Subregional1592283

1320Graph DecompositionUral Championship 2004. Round 21528301

1137Bus RoutesNEERC 2001 Central Subregional1507294

1124MosaicUSU Championship 20011451305

1227Rally ChampionshipNEERC 2002 Central Subregional1449311

1218Episode N-th: The Jedi TournamentUSU Championship 20021378327

1040Airline CompanyUSU Championship 20001372984

1156Two RoundsUral Championship 2001. Round 21336332

1930Ivan's CarUral Regional School Programming Contest 20121291176

1176HyperchannelsUSU Personal Contest 20021239359

1291Gear-wheelsSpring School Contest 20041150399

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011148386

1416ConfidentialUSU Championship 20051122414

1077Travelling Tours1095403

1128Partition into GroupsUSU Championship 20011059417

1162Currency ExchangeNEERC 2001 Northern Subregional1050422

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1044297

1035Cross-stitchUral Championship 199910321315

1651Shortest SubchainNEERC 2008 Eastern Subregional1011347

1329Galactic HistoryAutumn School Contest 2004989467

1129Door PaintingUSU Championship 2001983449

1065FrontierNEERC 20009051389

1099Work Scheduling8881160

1198Jobbery879529

1182Team Them Up!NEERC 2001870510

1400Cellular CharactersAutumn School Contest 2005849547

1358CablesSpring School Contest 2005825561

1421Credit OperationsTimus Top Coders: First Challenge825547

1325DirtUral Championship 2004. Round 2820558

1643Attack of the Dark FortressAutumn School Contest 2008769456

1641DutiesAutumn School Contest 2008744471

1314Chase in SubwayUral Championship 2004. Round 1727628

1934Black SpotUral FU Championship 2012719313

1254Die HardUSU Local Contest. March 2003692650

1500Pass LicensesNEERC 2006 Eastern Subregional667633

2034CaravansUral Regional School Programming Contest 2014660259

1379Cups TransportationUral Championship 2005. Round 1658704

1250Sea BurialUSU Local Contest. March 2003630712

1301Cube in LabyrinthUral Championship 1998615740

1392Dreaming of Stars612756

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional610417

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional577550

1277Cops and ThievesNEERC 2003 Central Subregional576786

1323ClassmatesUral Championship 2004. Round 2556818

1806Mobile TelegraphsNEERC 2010 Eastern Subregional513552

1339BabiesUSU Championship 2004497923

1237Evacuation PlanNEERC 2002464959

1580Dean's DebtsAutumn School Contest 2007437877

1434Buses in VasyukiUSU Personal Contest 20064281039

1447Portkey NetworkUral Championship 20064261036

1575Yekaterinburg Subway 2Autumn School Contest 2007414925

2030Awesome Backup SystemUral Regional School Programming Contest 2014400423

1569Networking the “Iset”USU Championship 20073741023

1533Fat HobbitsUSU Personal Contest 20073731084

1441From the History of Gringotts BankUral Championship 20063681195

1630TalismanUSU Championship 2008366948

1419Maps of the Island WorldsUSU Championship 20053491305

1980Road to InvestorUral Championship 2013349577

1544Classmates 3Ural Championship 20073331195

1487Chinese FootballUSU Championship 20063271278

1966Cycling RoadsUral FU Personal Contest 2013326626

1281River BasinNEERC 2003 Central Subregional3191399

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3151052

1449Credit Operations 2Timus Top Coders: Second Challenge3011443

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2971356

1337BureaucracyAutumn School Contest 20042851580

1338AutomobilesUSU Championship 20042521786

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional250883

1315MDPAR and MIIARUral Championship 2004. Round 12241979

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional221755

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191721

1905Travel in TimeUral Championship 20122161018

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21992243

1610CactusesUral Championship 20081921858

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1901740

1770The Party of Ural ChampionsUral Championship 20101801613

1270UnicubeUSU Championship 20031792434

2113Survive the floodUniversity academic school olympiad in informatics 2019176325

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1681966

2017Best of a bad lotNEERC 2014 Eastern Subregional1481103

1367Top SecretUral Championship 2005. Round 21423084

1505Oil TransferNEERC 2006 Eastern Subregional1332995

1652Banking CrisisNEERC 2008 Eastern Subregional1312514

2055Urban GeographyUral Championship 20151131295

1833Hopes of RowingUral Championship 20111052378

1199Mouse1033729

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013081

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003289

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014941235

1882Old NokiaUral Regional School Programming Contest 2011902589

1271Sailing DirectionsUSU Championship 2003874743

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715332

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672230

2128Rubina's SolitaireLater is better than never59770

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524221

2140BitMazeCraftUral School Programming Contest 201944883

1399Economical Director2910802

2132Graph Decomposition. Version 2Later is better than never271435

2147City BuildingUral School Programming Contest 2019241403

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest132526