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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992614580

1008Image EncodingUSTU PhysTech Cup 20004227359

1016Cube on the WalkUSU Local Contest. 19991868807

1022Genealogical TreeAutumn School Contest 200010834140

1033LabyrinthUral Championship 19996488232

1035Cross-stitchUral Championship 199911201333

1040Airline CompanyUSU Championship 20001497992

1045Funny GameUSU Local Contest. March 20002853516

1056Centers of the NetNEERC 2000 Central Subregional2695545

1065FrontierNEERC 20009951389

1069Prufer CodeUSU Personal Contest 20012622515

1072RoutingUSU Personal Contest 20012743493

1076Trash1911702

1077Travelling Tours1226395

1080Map ColoringWinter Mathematical Festival Varna 20016939193

1085MeetingSpring School Contest 20012148616

1096Get the Right Route Plate!USU Local Contest. March 20011796700

1099Work Scheduling9951138

1106Two TeamsTetrahedron Team Online Contest May 2001653974

1109ConferenceBulgarian Online Contest September 20011956248

1119MetroAutumn School Contest 2001691771

1124MosaicUSU Championship 20011636297

1128Partition into GroupsUSU Championship 20011186409

1129Door PaintingUSU Championship 20011134427

1136ParliamentNEERC 2001 Central Subregional493699

1137Bus RoutesNEERC 2001 Central Subregional1492326

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011348360

1156Two RoundsUral Championship 2001. Round 21493326

1160NetworkNEERC 2001 Northern Subregional3021164

1162Currency ExchangeNEERC 2001 Northern Subregional2134229

1176HyperchannelsUSU Personal Contest 20021444338

1182Team Them Up!NEERC 2001942516

1198Jobbery1038488

1199Mouse1273403

1205By the Underground or by Foot?USU Local Contest. March 20022070236

1208Legendary Teams ContestUSU Local Contest. March 20022310212

1210Kind SpiritsAutumn School Contest 20023031163

1218Episode N-th: The Jedi TournamentUSU Championship 20021537320

1227Rally ChampionshipNEERC 2002 Central Subregional1649299

1237Evacuation PlanNEERC 2002499976

1242WerewolfUSU Personal Contest 20032787178

1250Sea BurialUSU Local Contest. March 2003678724

1254Die HardUSU Local Contest. March 2003770639

1270UnicubeUSU Championship 20032022368

1271Sailing DirectionsUSU Championship 2003984647

1272Non-Yekaterinburg SubwayUSU Championship 20033373148

1277Cops and ThievesNEERC 2003 Central Subregional626790

1280Topological SortingNEERC 2003 Central Subregional3535142

1281River BasinNEERC 2003 Central Subregional3491399

1291Gear-wheelsSpring School Contest 20041300385

1301Cube in LabyrinthUral Championship 1998672740

1314Chase in SubwayUral Championship 2004. Round 1845590

1315MDPAR and MIIARUral Championship 2004. Round 12561897

1320Graph DecompositionUral Championship 2004. Round 21742288

1323ClassmatesUral Championship 2004. Round 2605821

1325DirtUral Championship 2004. Round 2929537

1329Galactic HistoryAutumn School Contest 20041085463

1337BureaucracyAutumn School Contest 20043171552

1338AutomobilesUSU Championship 20042751786

1339BabiesUSU Championship 2004580863

1358CablesSpring School Contest 2005929543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551924

1367Top SecretUral Championship 2005. Round 21563072

1379Cups TransportationUral Championship 2005. Round 1795635

1392Dreaming of Stars663760

1399Economical Director3410593

1400Cellular CharactersAutumn School Contest 2005928545

1416ConfidentialUSU Championship 20051280395

1419Maps of the Island WorldsUSU Championship 20054081220

1421Credit OperationsTimus Top Coders: First Challenge913540

1434Buses in VasyukiUSU Personal Contest 2006501973

1441From the History of Gringotts BankUral Championship 20064231142

1447Portkey NetworkUral Championship 2006488993

1449Credit Operations 2Timus Top Coders: Second Challenge3241472

1450Russian PipelinesTimus Top Coders: Second Challenge2986164

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest964490

1487Chinese FootballUSU Championship 20063651266

1500Pass LicensesNEERC 2006 Eastern Subregional736633

1505Oil TransferNEERC 2006 Eastern Subregional1532899

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881160

1533Fat HobbitsUSU Personal Contest 20074411021

1544Classmates 3Ural Championship 20073591235

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2371786

1569Networking the “Iset”USU Championship 2007455946

1575Yekaterinburg Subway 2Autumn School Contest 2007500861

1580Dean's DebtsAutumn School Contest 2007490878

1610CactusesUral Championship 20082061962

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1223115

1630TalismanUSU Championship 20083931008

1641DutiesAutumn School Contest 2008807496

1643Attack of the Dark FortressAutumn School Contest 2008954420

1651Shortest SubchainNEERC 2008 Eastern Subregional1165344

1652Banking CrisisNEERC 2008 Eastern Subregional1392715

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1951953

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2201732

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143170

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3551077

1709Penguin-AviaUral Championship 20092548153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional650569

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1200303

1770The Party of Ural ChampionsUral Championship 20102041683

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1558219

1833Hopes of RowingUral Championship 20111522036

1837Isenbaev's NumberUral Championship 2011559559

1847ZamkadyePetrozavodsk Summer 2010. USU Contest634369

1882Old NokiaUral Regional School Programming Contest 20111082681

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698446

1905Travel in TimeUral Championship 20122531102

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281215

1930Ivan's CarUral Regional School Programming Contest 20121737165

1934Black SpotUral FU Championship 2012833341

1966Cycling RoadsUral FU Personal Contest 2013387684

1980Road to InvestorUral Championship 2013423620

1982Electrification PlanUral FU Championship 20131996131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional252909

2017Best of a bad lotNEERC 2014 Eastern Subregional1751288

2030Awesome Backup SystemUral Regional School Programming Contest 2014479485

2034CaravansUral Regional School Programming Contest 2014815288

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest842509

2055Urban GeographyUral Championship 20151441458

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141391315

2113Survive the floodUniversity academic school olympiad in informatics 2019334387

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest273543

2128Rubina's SolitaireLater is better than never131897

2132Graph Decomposition. Version 2Later is better than never641709

2140BitMazeCraftUral School Programming Contest 20191031075

2147City BuildingUral School Programming Contest 2019571813

2155QuadrocopterUral School Programming Contest 202095901

2159EssayUral School Programming Contest 2021221372

2169City Building 2Ural School Programming Contest 2022121991