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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992670582

1008Image EncodingUSTU PhysTech Cup 20004259364

1016Cube on the WalkUSU Local Contest. 19991885818

1022Genealogical TreeAutumn School Contest 200010963141

1033LabyrinthUral Championship 19996555235

1035Cross-stitchUral Championship 199911211363

1040Airline CompanyUSU Championship 200015191001

1045Funny GameUSU Local Contest. March 20002901520

1056Centers of the NetNEERC 2000 Central Subregional2738549

1065FrontierNEERC 200010051407

1069Prufer CodeUSU Personal Contest 20012685515

1072RoutingUSU Personal Contest 20012763501

1076Trash1939708

1077Travelling Tours1252396

1080Map ColoringWinter Mathematical Festival Varna 20017230190

1085MeetingSpring School Contest 20012174623

1096Get the Right Route Plate!USU Local Contest. March 20011821706

1099Work Scheduling10091148

1106Two TeamsTetrahedron Team Online Contest May 2001674374

1109ConferenceBulgarian Online Contest September 20011992250

1119MetroAutumn School Contest 2001715870

1124MosaicUSU Championship 20011668298

1128Partition into GroupsUSU Championship 20011202413

1129Door PaintingUSU Championship 20011220407

1136ParliamentNEERC 2001 Central Subregional5011100

1137Bus RoutesNEERC 2001 Central Subregional1545322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011400355

1156Two RoundsUral Championship 2001. Round 21519328

1160NetworkNEERC 2001 Northern Subregional3455146

1162Currency ExchangeNEERC 2001 Northern Subregional2533197

1176HyperchannelsUSU Personal Contest 20021491335

1182Team Them Up!NEERC 2001970513

1198Jobbery1057489

1199Mouse1303414

1205By the Underground or by Foot?USU Local Contest. March 20022112237

1208Legendary Teams ContestUSU Local Contest. March 20022350213

1210Kind SpiritsAutumn School Contest 20023103163

1218Episode N-th: The Jedi TournamentUSU Championship 20021557323

1227Rally ChampionshipNEERC 2002 Central Subregional1671302

1237Evacuation PlanNEERC 2002505986

1242WerewolfUSU Personal Contest 20032873177

1250Sea BurialUSU Local Contest. March 2003687730

1254Die HardUSU Local Contest. March 2003783642

1270UnicubeUSU Championship 20032042396

1271Sailing DirectionsUSU Championship 20031014620

1272Non-Yekaterinburg SubwayUSU Championship 20033479147

1277Cops and ThievesNEERC 2003 Central Subregional638792

1280Topological SortingNEERC 2003 Central Subregional3620141

1281River BasinNEERC 2003 Central Subregional3621379

1291Gear-wheelsSpring School Contest 20041329385

1301Cube in LabyrinthUral Championship 1998681746

1314Chase in SubwayUral Championship 2004. Round 1867588

1315MDPAR and MIIARUral Championship 2004. Round 12681854

1320Graph DecompositionUral Championship 2004. Round 21788287

1323ClassmatesUral Championship 2004. Round 2613827

1325DirtUral Championship 2004. Round 2950537

1329Galactic HistoryAutumn School Contest 20041117460

1337BureaucracyAutumn School Contest 20043231556

1338AutomobilesUSU Championship 20042801793

1339BabiesUSU Championship 2004594861

1358CablesSpring School Contest 2005949542

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551965

1367Top SecretUral Championship 2005. Round 21623027

1379Cups TransportationUral Championship 2005. Round 1845610

1392Dreaming of Stars670768

1399Economical Director3610387

1400Cellular CharactersAutumn School Contest 2005940549

1416ConfidentialUSU Championship 20051309395

1419Maps of the Island WorldsUSU Championship 20054171219

1421Credit OperationsTimus Top Coders: First Challenge926545

1434Buses in VasyukiUSU Personal Contest 2006557897

1441From the History of Gringotts BankUral Championship 20064311146

1447Portkey NetworkUral Championship 2006498995

1449Credit Operations 2Timus Top Coders: Second Challenge3281487

1450Russian PipelinesTimus Top Coders: Second Challenge3273153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984513

1487Chinese FootballUSU Championship 20063721273

1500Pass LicensesNEERC 2006 Eastern Subregional748639

1505Oil TransferNEERC 2006 Eastern Subregional1562916

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3941172

1533Fat HobbitsUSU Personal Contest 2007466992

1544Classmates 3Ural Championship 20073621257

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2441785

1569Networking the “Iset”USU Championship 2007473936

1575Yekaterinburg Subway 2Autumn School Contest 2007514861

1580Dean's DebtsAutumn School Contest 2007494896

1610CactusesUral Championship 20082062020

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253141

1630TalismanUSU Championship 20084021018

1641DutiesAutumn School Contest 2008823502

1643Attack of the Dark FortressAutumn School Contest 2008976424

1651Shortest SubchainNEERC 2008 Eastern Subregional1207343

1652Banking CrisisNEERC 2008 Eastern Subregional1432729

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1991978

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281729

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1183174

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3631089

1709Penguin-AviaUral Championship 20092633153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional662579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1227308

1770The Party of Ural ChampionsUral Championship 20102061733

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1889189

1833Hopes of RowingUral Championship 20111612014

1837Isenbaev's NumberUral Championship 2011581159

1847ZamkadyePetrozavodsk Summer 2010. USU Contest664392

1882Old NokiaUral Regional School Programming Contest 20111102761

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional711459

1905Travel in TimeUral Championship 20122601131

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2301270

1930Ivan's CarUral Regional School Programming Contest 20121828166

1934Black SpotUral FU Championship 2012852352

1966Cycling RoadsUral FU Personal Contest 2013413680

1980Road to InvestorUral Championship 2013438635

1982Electrification PlanUral FU Championship 20132122131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional261941

2017Best of a bad lotNEERC 2014 Eastern Subregional1801342

2030Awesome Backup SystemUral Regional School Programming Contest 2014495503

2034CaravansUral Regional School Programming Contest 2014883284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942429

2055Urban GeographyUral Championship 20151511500

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141481352

2113Survive the floodUniversity academic school olympiad in informatics 2019356416

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283950

2128Rubina's SolitaireLater is better than never137991

2132Graph Decomposition. Version 2Later is better than never881486

2140BitMazeCraftUral School Programming Contest 20191111163

2147City BuildingUral School Programming Contest 2019661852

2155QuadrocopterUral School Programming Contest 20201031012

2159EssayUral School Programming Contest 2021351440

2169City Building 2Ural School Programming Contest 2022202158

2174Dualism of NumbersUral School Programming Contest 2023251044

2180Need More TasksUral School Programming Contest 2023101826

2187Need More GoldUral School Programming Contest 202462282

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022151463

2195Binary TreesICPC Ural Regional Contest Qualifier 202391925

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024131586