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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992660581

1008Image EncodingUSTU PhysTech Cup 20004247364

1016Cube on the WalkUSU Local Contest. 19991883815

1022Genealogical TreeAutumn School Contest 200010923141

1033LabyrinthUral Championship 19996531235

1035Cross-stitchUral Championship 199911201357

1040Airline CompanyUSU Championship 200015111001

1045Funny GameUSU Local Contest. March 20002895518

1056Centers of the NetNEERC 2000 Central Subregional2730548

1065FrontierNEERC 200010051400

1069Prufer CodeUSU Personal Contest 20012658518

1072RoutingUSU Personal Contest 20012758499

1076Trash1928709

1077Travelling Tours1245396

1080Map ColoringWinter Mathematical Festival Varna 20017058193

1085MeetingSpring School Contest 20012169622

1096Get the Right Route Plate!USU Local Contest. March 20011815705

1099Work Scheduling10081144

1106Two TeamsTetrahedron Team Online Contest May 2001665174

1109ConferenceBulgarian Online Contest September 20011981250

1119MetroAutumn School Contest 2001704071

1124MosaicUSU Championship 20011662298

1128Partition into GroupsUSU Championship 20011199412

1129Door PaintingUSU Championship 20011161425

1136ParliamentNEERC 2001 Central Subregional500099

1137Bus RoutesNEERC 2001 Central Subregional1526324

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011385357

1156Two RoundsUral Championship 2001. Round 21513327

1160NetworkNEERC 2001 Northern Subregional3308152

1162Currency ExchangeNEERC 2001 Northern Subregional2376209

1176HyperchannelsUSU Personal Contest 20021485334

1182Team Them Up!NEERC 2001966512

1198Jobbery1053489

1199Mouse1303395

1205By the Underground or by Foot?USU Local Contest. March 20022094238

1208Legendary Teams ContestUSU Local Contest. March 20022340213

1210Kind SpiritsAutumn School Contest 20023074163

1218Episode N-th: The Jedi TournamentUSU Championship 20021553323

1227Rally ChampionshipNEERC 2002 Central Subregional1663301

1237Evacuation PlanNEERC 2002503985

1242WerewolfUSU Personal Contest 20032837178

1250Sea BurialUSU Local Contest. March 2003686728

1254Die HardUSU Local Contest. March 2003780641

1270UnicubeUSU Championship 20032032396

1271Sailing DirectionsUSU Championship 20031014598

1272Non-Yekaterinburg SubwayUSU Championship 20033425149

1277Cops and ThievesNEERC 2003 Central Subregional633794

1280Topological SortingNEERC 2003 Central Subregional3589142

1281River BasinNEERC 2003 Central Subregional3621373

1291Gear-wheelsSpring School Contest 20041324384

1301Cube in LabyrinthUral Championship 1998679744

1314Chase in SubwayUral Championship 2004. Round 1859590

1315MDPAR and MIIARUral Championship 2004. Round 12661859

1320Graph DecompositionUral Championship 2004. Round 21776287

1323ClassmatesUral Championship 2004. Round 2612825

1325DirtUral Championship 2004. Round 2946537

1329Galactic HistoryAutumn School Contest 20041106462

1337BureaucracyAutumn School Contest 20043211558

1338AutomobilesUSU Championship 20042791791

1339BabiesUSU Championship 2004591861

1358CablesSpring School Contest 2005947541

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541963

1367Top SecretUral Championship 2005. Round 21623013

1379Cups TransportationUral Championship 2005. Round 1825622

1392Dreaming of Stars668766

1399Economical Director3510559

1400Cellular CharactersAutumn School Contest 2005938548

1416ConfidentialUSU Championship 20051301395

1419Maps of the Island WorldsUSU Championship 20054151219

1421Credit OperationsTimus Top Coders: First Challenge921545

1434Buses in VasyukiUSU Personal Contest 2006507978

1441From the History of Gringotts BankUral Championship 20064301143

1447Portkey NetworkUral Championship 2006495996

1449Credit Operations 2Timus Top Coders: Second Challenge3271484

1450Russian PipelinesTimus Top Coders: Second Challenge3209155

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974531

1487Chinese FootballUSU Championship 20063711269

1500Pass LicensesNEERC 2006 Eastern Subregional747636

1505Oil TransferNEERC 2006 Eastern Subregional1552918

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3941165

1533Fat HobbitsUSU Personal Contest 2007461997

1544Classmates 3Ural Championship 20073621250

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2411795

1569Networking the “Iset”USU Championship 2007468940

1575Yekaterinburg Subway 2Autumn School Contest 2007511861

1580Dean's DebtsAutumn School Contest 2007493892

1610CactusesUral Championship 20082062007

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253120

1630TalismanUSU Championship 20084021011

1641DutiesAutumn School Contest 2008819501

1643Attack of the Dark FortressAutumn School Contest 2008970424

1651Shortest SubchainNEERC 2008 Eastern Subregional1187346

1652Banking CrisisNEERC 2008 Eastern Subregional1422728

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1971983

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2271724

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1173176

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3621084

1709Penguin-AviaUral Championship 20092607153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional658578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1221307

1770The Party of Ural ChampionsUral Championship 20102061718

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1751202

1833Hopes of RowingUral Championship 20111552068

1837Isenbaev's NumberUral Championship 2011572459

1847ZamkadyePetrozavodsk Summer 2010. USU Contest664348

1882Old NokiaUral Regional School Programming Contest 20111102733

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional706457

1905Travel in TimeUral Championship 20122581126

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2301255

1930Ivan's CarUral Regional School Programming Contest 20121804166

1934Black SpotUral FU Championship 2012849349

1966Cycling RoadsUral FU Personal Contest 2013410676

1980Road to InvestorUral Championship 2013435631

1982Electrification PlanUral FU Championship 20132080132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional260930

2017Best of a bad lotNEERC 2014 Eastern Subregional1791329

2030Awesome Backup SystemUral Regional School Programming Contest 2014492499

2034CaravansUral Regional School Programming Contest 2014854290

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942393

2055Urban GeographyUral Championship 20151501485

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141481327

2113Survive the floodUniversity academic school olympiad in informatics 2019352409

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283837

2128Rubina's SolitaireLater is better than never136968

2132Graph Decomposition. Version 2Later is better than never861472

2140BitMazeCraftUral School Programming Contest 20191111127

2147City BuildingUral School Programming Contest 2019661795

2155QuadrocopterUral School Programming Contest 2020101990

2159EssayUral School Programming Contest 2021341366

2169City Building 2Ural School Programming Contest 2022182144

2174Dualism of NumbersUral School Programming Contest 2023171174

2180Need More TasksUral School Programming Contest 202361980

2187Need More GoldUral School Programming Contest 202442262

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022131379

2195Binary TreesICPC Ural Regional Contest Qualifier 202371866

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 202481757