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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992436564

1008Image EncodingUSTU PhysTech Cup 20004008343

1016Cube on the WalkUSU Local Contest. 19991759776

1022Genealogical TreeAutumn School Contest 20009990137

1033LabyrinthUral Championship 19995946230

1035Cross-stitchUral Championship 199910251318

1040Airline CompanyUSU Championship 20001366984

1045Funny GameUSU Local Contest. March 20002615510

1056Computer NetNEERC 2000 Central Subregional2501532

1065FrontierNEERC 20009031386

1069Prufer CodeUSU Personal Contest 20012351521

1072RoutingUSU Personal Contest 20012549481

1076Trash1816670

1077Travelling Tours1087405

1080Map ColoringWinter Mathematical Festival Varna 20014915247

1085MeetingSpring School Contest 20012032591

1096Get the Right Route Plate!USU Local Contest. March 20011657688

1099Work Scheduling8811164

1106Two TeamsTetrahedron Team Online Contest May 2001574677

1109ConferenceBulgarian Online Contest September 20011795246

1119MetroAutumn School Contest 2001599874

1124MosaicUSU Championship 20011443306

1128Partition into GroupsUSU Championship 20011053418

1129Door PaintingUSU Championship 2001976451

1136ParliamentNEERC 2001 Central Subregional448099

1137Bus RoutesNEERC 2001 Central Subregional1499295

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011140387

1156Two RoundsUral Championship 2001. Round 21329332

1160NetworkNEERC 2001 Northern Subregional1526294

1162Currency ExchangeNEERC 2001 Northern Subregional1003440

1176HyperchannelsUSU Personal Contest 20021231360

1182Team Them Up!NEERC 2001860514

1198Jobbery875529

1199Mouse1033712

1205By the Underground or by Foot?USU Local Contest. March 20021907233

1208Legendary Teams ContestUSU Local Contest. March 20022107211

1210Kind SpiritsAutumn School Contest 20023042148

1218Episode N-th: The Jedi TournamentUSU Championship 20021372327

1227Rally ChampionshipNEERC 2002 Central Subregional1444311

1237Evacuation PlanNEERC 2002463957

1242WerewolfUSU Personal Contest 20032183207

1250Sea BurialUSU Local Contest. March 2003629711

1254Die HardUSU Local Contest. March 2003690649

1270UnicubeUSU Championship 20031782437

1271Sailing DirectionsUSU Championship 2003874724

1272Non-Yekaterinburg SubwayUSU Championship 20032974154

1277Cops and ThievesNEERC 2003 Central Subregional574785

1280Topological SortingNEERC 2003 Central Subregional3117147

1281River BasinNEERC 2003 Central Subregional3191394

1291Gear-wheelsSpring School Contest 20041141400

1301Cube in LabyrinthUral Championship 1998613740

1314Chase in SubwayUral Championship 2004. Round 1719633

1315MDPAR and MIIARUral Championship 2004. Round 12221988

1320Graph DecompositionUral Championship 2004. Round 21515302

1323ClassmatesUral Championship 2004. Round 2554818

1325DirtUral Championship 2004. Round 2819556

1329Galactic HistoryAutumn School Contest 2004982468

1337BureaucracyAutumn School Contest 20042811595

1338AutomobilesUSU Championship 20042521779

1339BabiesUSU Championship 2004496921

1358CablesSpring School Contest 2005820562

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21992234

1367Top SecretUral Championship 2005. Round 21423072

1379Cups TransportationUral Championship 2005. Round 1654705

1392Dreaming of Stars611754

1399Economical Director2910751

1400Cellular CharactersAutumn School Contest 2005848546

1416ConfidentialUSU Championship 20051119413

1419Maps of the Island WorldsUSU Championship 20053441319

1421Credit OperationsTimus Top Coders: First Challenge820548

1434Buses in VasyukiUSU Personal Contest 20064261040

1441From the History of Gringotts BankUral Championship 20063651200

1447Portkey NetworkUral Championship 20064211044

1449Credit Operations 2Timus Top Coders: Second Challenge3011437

1450Russian PipelinesTimus Top Coders: Second Challenge1614275

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715309

1487Chinese FootballUSU Championship 20063261276

1500Pass LicensesNEERC 2006 Eastern Subregional661635

1505Oil TransferNEERC 2006 Eastern Subregional1332981

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2961354

1533Fat HobbitsUSU Personal Contest 20073721081

1544Classmates 3Ural Championship 20073301200

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191712

1569Networking the “Iset”USU Championship 20073681034

1575Yekaterinburg Subway 2Autumn School Contest 2007412924

1580Dean's DebtsAutumn School Contest 2007431884

1610CactusesUral Championship 20081911857

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003269

1630TalismanUSU Championship 2008363950

1641DutiesAutumn School Contest 2008738472

1643Attack of the Dark FortressAutumn School Contest 2008761458

1651Shortest SubchainNEERC 2008 Eastern Subregional1003348

1652Banking CrisisNEERC 2008 Eastern Subregional1312499

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1671964

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1901728

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013061

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3131052

1709Penguin-AviaUral Championship 20092178154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional575548

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1038297

1770The Party of Ural ChampionsUral Championship 20101781618

1806Mobile TelegraphsNEERC 2010 Eastern Subregional479586

1833Hopes of RowingUral Championship 20111052356

1837Isenbaev's NumberUral Championship 2011471357

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524181

1882Old NokiaUral Regional School Programming Contest 2011892590

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional607415

1905Travel in TimeUral Championship 20122141015

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional249876

1930Ivan's CarUral Regional School Programming Contest 20121271177

1934Black SpotUral FU Championship 2012714311

1966Cycling RoadsUral FU Personal Contest 2013324622

1980Road to InvestorUral Championship 2013345576

1982Electrification PlanUral FU Championship 20131601123

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional220746

2017Best of a bad lotNEERC 2014 Eastern Subregional1471092

2030Awesome Backup SystemUral Regional School Programming Contest 2014387429

2034CaravansUral Regional School Programming Contest 2014634265

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672193

2055Urban GeographyUral Championship 20151111293

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014931218

2113Survive the floodUniversity academic school olympiad in informatics 2019160336

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest132386

2128Rubina's SolitaireLater is better than never56756

2132Graph Decomposition. Version 2Later is better than never231512

2140BitMazeCraftUral School Programming Contest 201938926

2147City BuildingUral School Programming Contest 2019211434