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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992568580

1008Image EncodingUSTU PhysTech Cup 20004174357

1016Cube on the WalkUSU Local Contest. 19991853798

1022Genealogical TreeAutumn School Contest 200010692139

1033LabyrinthUral Championship 19996408231

1035Cross-stitchUral Championship 199911111318

1040Airline CompanyUSU Championship 20001480985

1045Funny GameUSU Local Contest. March 20002808515

1056Centers of the NetNEERC 2000 Central Subregional2655543

1065FrontierNEERC 20009861375

1069Prufer CodeUSU Personal Contest 20012574515

1072RoutingUSU Personal Contest 20012716488

1076Trash1895695

1077Travelling Tours1195398

1080Map ColoringWinter Mathematical Festival Varna 20016548201

1085MeetingSpring School Contest 20012117614

1096Get the Right Route Plate!USU Local Contest. March 20011768698

1099Work Scheduling9701145

1106Two TeamsTetrahedron Team Online Contest May 2001640774

1109ConferenceBulgarian Online Contest September 20011937246

1119MetroAutumn School Contest 2001668572

1124MosaicUSU Championship 20011611296

1128Partition into GroupsUSU Championship 20011145416

1129Door PaintingUSU Championship 20011102432

1136ParliamentNEERC 2001 Central Subregional483399

1137Bus RoutesNEERC 2001 Central Subregional1447330

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011281372

1156Two RoundsUral Championship 2001. Round 21464326

1160NetworkNEERC 2001 Northern Subregional2901168

1162Currency ExchangeNEERC 2001 Northern Subregional2046234

1176HyperchannelsUSU Personal Contest 20021388345

1182Team Them Up!NEERC 2001923517

1198Jobbery992501

1199Mouse1233436

1205By the Underground or by Foot?USU Local Contest. March 20022039236

1208Legendary Teams ContestUSU Local Contest. March 20022275211

1210Kind SpiritsAutumn School Contest 20022993162

1218Episode N-th: The Jedi TournamentUSU Championship 20021505321

1227Rally ChampionshipNEERC 2002 Central Subregional1609301

1237Evacuation PlanNEERC 2002492973

1242WerewolfUSU Personal Contest 20032720179

1250Sea BurialUSU Local Contest. March 2003669721

1254Die HardUSU Local Contest. March 2003744649

1270UnicubeUSU Championship 20031972383

1271Sailing DirectionsUSU Championship 2003954698

1272Non-Yekaterinburg SubwayUSU Championship 20033305149

1277Cops and ThievesNEERC 2003 Central Subregional614791

1280Topological SortingNEERC 2003 Central Subregional3464142

1281River BasinNEERC 2003 Central Subregional3461386

1291Gear-wheelsSpring School Contest 20041262390

1301Cube in LabyrinthUral Championship 1998658742

1314Chase in SubwayUral Championship 2004. Round 1826593

1315MDPAR and MIIARUral Championship 2004. Round 12491915

1320Graph DecompositionUral Championship 2004. Round 21694291

1323ClassmatesUral Championship 2004. Round 2596819

1325DirtUral Championship 2004. Round 2895548

1329Galactic HistoryAutumn School Contest 20041067463

1337BureaucracyAutumn School Contest 20043141540

1338AutomobilesUSU Championship 20042721775

1339BabiesUSU Championship 2004561877

1358CablesSpring School Contest 2005909545

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22352046

1367Top SecretUral Championship 2005. Round 21533076

1379Cups TransportationUral Championship 2005. Round 1763650

1392Dreaming of Stars649763

1399Economical Director3210877

1400Cellular CharactersAutumn School Contest 2005905549

1416ConfidentialUSU Championship 20051228405

1419Maps of the Island WorldsUSU Championship 20054001223

1421Credit OperationsTimus Top Coders: First Challenge901538

1434Buses in VasyukiUSU Personal Contest 20064751007

1441From the History of Gringotts BankUral Championship 20064141145

1447Portkey NetworkUral Championship 20064691014

1449Credit Operations 2Timus Top Coders: Second Challenge3171476

1450Russian PipelinesTimus Top Coders: Second Challenge2823170

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest934532

1487Chinese FootballUSU Championship 20063601258

1500Pass LicensesNEERC 2006 Eastern Subregional718637

1505Oil TransferNEERC 2006 Eastern Subregional1512878

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3761171

1533Fat HobbitsUSU Personal Contest 20074231041

1544Classmates 3Ural Championship 20073531229

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2331775

1569Networking the “Iset”USU Championship 2007437962

1575Yekaterinburg Subway 2Autumn School Contest 2007454925

1580Dean's DebtsAutumn School Contest 2007472891

1610CactusesUral Championship 20082021951

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1173157

1630TalismanUSU Championship 2008387998

1641DutiesAutumn School Contest 2008786496

1643Attack of the Dark FortressAutumn School Contest 2008929420

1651Shortest SubchainNEERC 2008 Eastern Subregional1129346

1652Banking CrisisNEERC 2008 Eastern Subregional1372681

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921930

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2161717

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1083241

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3501062

1709Penguin-AviaUral Championship 20092493152

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional635565

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1178299

1770The Party of Ural ChampionsUral Championship 20101981678

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1399236

1833Hopes of RowingUral Championship 20111482013

1837Isenbaev's NumberUral Championship 2011542858

1847ZamkadyePetrozavodsk Summer 2010. USU Contest594450

1882Old NokiaUral Regional School Programming Contest 20111072602

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional667449

1905Travel in TimeUral Championship 20122461083

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2231188

1930Ivan's CarUral Regional School Programming Contest 20121656166

1934Black SpotUral FU Championship 2012810336

1966Cycling RoadsUral FU Personal Contest 2013376671

1980Road to InvestorUral Championship 2013402621

1982Electrification PlanUral FU Championship 20131911130

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional244886

2017Best of a bad lotNEERC 2014 Eastern Subregional1671271

2030Awesome Backup SystemUral Regional School Programming Contest 2014454483

2034CaravansUral Regional School Programming Contest 2014765289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest812446

2055Urban GeographyUral Championship 20151381426

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141251348

2113Survive the floodUniversity academic school olympiad in informatics 2019301380

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest223624

2128Rubina's SolitaireLater is better than never107951

2132Graph Decomposition. Version 2Later is better than never591613

2140BitMazeCraftUral School Programming Contest 2019941021

2147City BuildingUral School Programming Contest 2019531686

2155QuadrocopterUral School Programming Contest 202082857