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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992641581

1008Image EncodingUSTU PhysTech Cup 20004237362

1016Cube on the WalkUSU Local Contest. 19991876812

1022Genealogical TreeAutumn School Contest 200010885141

1033LabyrinthUral Championship 19996514234

1035Cross-stitchUral Championship 199911201348

1040Airline CompanyUSU Championship 20001503999

1045Funny GameUSU Local Contest. March 20002881517

1056Centers of the NetNEERC 2000 Central Subregional2715547

1065FrontierNEERC 200010041392

1069Prufer CodeUSU Personal Contest 20012649516

1072RoutingUSU Personal Contest 20012749497

1076Trash1921706

1077Travelling Tours1236397

1080Map ColoringWinter Mathematical Festival Varna 20017029193

1085MeetingSpring School Contest 20012160620

1096Get the Right Route Plate!USU Local Contest. March 20011810702

1099Work Scheduling10041140

1106Two TeamsTetrahedron Team Online Contest May 2001660474

1109ConferenceBulgarian Online Contest September 20011970249

1119MetroAutumn School Contest 2001699171

1124MosaicUSU Championship 20011648298

1128Partition into GroupsUSU Championship 20011193411

1129Door PaintingUSU Championship 20011149427

1136ParliamentNEERC 2001 Central Subregional497099

1137Bus RoutesNEERC 2001 Central Subregional1515324

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011365360

1156Two RoundsUral Championship 2001. Round 21505327

1160NetworkNEERC 2001 Northern Subregional3286152

1162Currency ExchangeNEERC 2001 Northern Subregional2359209

1176HyperchannelsUSU Personal Contest 20021454339

1182Team Them Up!NEERC 2001960512

1198Jobbery1048488

1199Mouse1293394

1205By the Underground or by Foot?USU Local Contest. March 20022084237

1208Legendary Teams ContestUSU Local Contest. March 20022329212

1210Kind SpiritsAutumn School Contest 20023066163

1218Episode N-th: The Jedi TournamentUSU Championship 20021550321

1227Rally ChampionshipNEERC 2002 Central Subregional1658300

1237Evacuation PlanNEERC 2002501983

1242WerewolfUSU Personal Contest 20032818178

1250Sea BurialUSU Local Contest. March 2003684725

1254Die HardUSU Local Contest. March 2003779638

1270UnicubeUSU Championship 20032022392

1271Sailing DirectionsUSU Championship 20031004610

1272Non-Yekaterinburg SubwayUSU Championship 20033410148

1277Cops and ThievesNEERC 2003 Central Subregional632790

1280Topological SortingNEERC 2003 Central Subregional3571142

1281River BasinNEERC 2003 Central Subregional3571382

1291Gear-wheelsSpring School Contest 20041319383

1301Cube in LabyrinthUral Championship 1998675744

1314Chase in SubwayUral Championship 2004. Round 1855589

1315MDPAR and MIIARUral Championship 2004. Round 12641861

1320Graph DecompositionUral Championship 2004. Round 21767287

1323ClassmatesUral Championship 2004. Round 2611821

1325DirtUral Championship 2004. Round 2937538

1329Galactic HistoryAutumn School Contest 20041100462

1337BureaucracyAutumn School Contest 20043191558

1338AutomobilesUSU Championship 20042761798

1339BabiesUSU Championship 2004586863

1358CablesSpring School Contest 2005941541

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541951

1367Top SecretUral Championship 2005. Round 21622995

1379Cups TransportationUral Championship 2005. Round 1813627

1392Dreaming of Stars666764

1399Economical Director3410720

1400Cellular CharactersAutumn School Contest 2005934547

1416ConfidentialUSU Championship 20051293395

1419Maps of the Island WorldsUSU Championship 20054131217

1421Credit OperationsTimus Top Coders: First Challenge917544

1434Buses in VasyukiUSU Personal Contest 2006506974

1441From the History of Gringotts BankUral Championship 20064301136

1447Portkey NetworkUral Championship 2006491997

1449Credit Operations 2Timus Top Coders: Second Challenge3261479

1450Russian PipelinesTimus Top Coders: Second Challenge3179156

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974499

1487Chinese FootballUSU Championship 20063701264

1500Pass LicensesNEERC 2006 Eastern Subregional744634

1505Oil TransferNEERC 2006 Eastern Subregional1532933

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3891171

1533Fat HobbitsUSU Personal Contest 20074551002

1544Classmates 3Ural Championship 20073611243

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2381802

1569Networking the “Iset”USU Championship 2007464940

1575Yekaterinburg Subway 2Autumn School Contest 2007506862

1580Dean's DebtsAutumn School Contest 2007489892

1610CactusesUral Championship 20082061990

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1223162

1630TalismanUSU Championship 20084001006

1641DutiesAutumn School Contest 2008814499

1643Attack of the Dark FortressAutumn School Contest 2008963423

1651Shortest SubchainNEERC 2008 Eastern Subregional1178346

1652Banking CrisisNEERC 2008 Eastern Subregional1412720

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1971964

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2221745

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143221

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3601079

1709Penguin-AviaUral Championship 20092584153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional653576

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1216304

1770The Party of Ural ChampionsUral Championship 20102051707

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1737201

1833Hopes of RowingUral Championship 20111532066

1837Isenbaev's NumberUral Championship 2011565559

1847ZamkadyePetrozavodsk Summer 2010. USU Contest654347

1882Old NokiaUral Regional School Programming Contest 20111072765

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional703453

1905Travel in TimeUral Championship 20122561117

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291241

1930Ivan's CarUral Regional School Programming Contest 20121779166

1934Black SpotUral FU Championship 2012844346

1966Cycling RoadsUral FU Personal Contest 2013404674

1980Road to InvestorUral Championship 2013430628

1982Electrification PlanUral FU Championship 20132028133

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional257922

2017Best of a bad lotNEERC 2014 Eastern Subregional1761324

2030Awesome Backup SystemUral Regional School Programming Contest 2014486495

2034CaravansUral Regional School Programming Contest 2014838289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest932368

2055Urban GeographyUral Championship 20151481472

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141461310

2113Survive the floodUniversity academic school olympiad in informatics 2019345401

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283689

2128Rubina's SolitaireLater is better than never133948

2132Graph Decomposition. Version 2Later is better than never841443

2140BitMazeCraftUral School Programming Contest 20191081108

2147City BuildingUral School Programming Contest 2019611841

2155QuadrocopterUral School Programming Contest 202098963

2159EssayUral School Programming Contest 2021311315

2169City Building 2Ural School Programming Contest 2022162070