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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992663581

1008Image EncodingUSTU PhysTech Cup 20004254364

1016Cube on the WalkUSU Local Contest. 19991884816

1022Genealogical TreeAutumn School Contest 200010951141

1033LabyrinthUral Championship 19996544235

1035Cross-stitchUral Championship 199911201360

1040Airline CompanyUSU Championship 200015141001

1045Funny GameUSU Local Contest. March 20002899518

1056Centers of the NetNEERC 2000 Central Subregional2734548

1065FrontierNEERC 200010051403

1069Prufer CodeUSU Personal Contest 20012680515

1072RoutingUSU Personal Contest 20012759500

1076Trash1934708

1077Travelling Tours1247397

1080Map ColoringWinter Mathematical Festival Varna 20017205190

1085MeetingSpring School Contest 20012171622

1096Get the Right Route Plate!USU Local Contest. March 20011818705

1099Work Scheduling10081146

1106Two TeamsTetrahedron Team Online Contest May 2001669874

1109ConferenceBulgarian Online Contest September 20011985250

1119MetroAutumn School Contest 2001714570

1124MosaicUSU Championship 20011666298

1128Partition into GroupsUSU Championship 20011199413

1129Door PaintingUSU Championship 20011183418

1136ParliamentNEERC 2001 Central Subregional500699

1137Bus RoutesNEERC 2001 Central Subregional1541322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011392356

1156Two RoundsUral Championship 2001. Round 21516327

1160NetworkNEERC 2001 Northern Subregional3426147

1162Currency ExchangeNEERC 2001 Northern Subregional2497199

1176HyperchannelsUSU Personal Contest 20021486335

1182Team Them Up!NEERC 2001969512

1198Jobbery1055489

1199Mouse1303403

1205By the Underground or by Foot?USU Local Contest. March 20022103237

1208Legendary Teams ContestUSU Local Contest. March 20022343213

1210Kind SpiritsAutumn School Contest 20023096163

1218Episode N-th: The Jedi TournamentUSU Championship 20021555323

1227Rally ChampionshipNEERC 2002 Central Subregional1664302

1237Evacuation PlanNEERC 2002504986

1242WerewolfUSU Personal Contest 20032863177

1250Sea BurialUSU Local Contest. March 2003686729

1254Die HardUSU Local Contest. March 2003782641

1270UnicubeUSU Championship 20032032401

1271Sailing DirectionsUSU Championship 20031014607

1272Non-Yekaterinburg SubwayUSU Championship 20033430149

1277Cops and ThievesNEERC 2003 Central Subregional636792

1280Topological SortingNEERC 2003 Central Subregional3613141

1281River BasinNEERC 2003 Central Subregional3621375

1291Gear-wheelsSpring School Contest 20041327384

1301Cube in LabyrinthUral Championship 1998681744

1314Chase in SubwayUral Championship 2004. Round 1864588

1315MDPAR and MIIARUral Championship 2004. Round 12661863

1320Graph DecompositionUral Championship 2004. Round 21780287

1323ClassmatesUral Championship 2004. Round 2612827

1325DirtUral Championship 2004. Round 2947537

1329Galactic HistoryAutumn School Contest 20041112461

1337BureaucracyAutumn School Contest 20043211561

1338AutomobilesUSU Championship 20042791794

1339BabiesUSU Championship 2004594858

1358CablesSpring School Contest 2005948542

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541967

1367Top SecretUral Championship 2005. Round 21623019

1379Cups TransportationUral Championship 2005. Round 1842611

1392Dreaming of Stars670766

1399Economical Director3510584

1400Cellular CharactersAutumn School Contest 2005938549

1416ConfidentialUSU Championship 20051304395

1419Maps of the Island WorldsUSU Championship 20054171216

1421Credit OperationsTimus Top Coders: First Challenge923545

1434Buses in VasyukiUSU Personal Contest 2006508979

1441From the History of Gringotts BankUral Championship 20064311143

1447Portkey NetworkUral Championship 2006497994

1449Credit Operations 2Timus Top Coders: Second Challenge3271487

1450Russian PipelinesTimus Top Coders: Second Challenge3252154

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984499

1487Chinese FootballUSU Championship 20063721269

1500Pass LicensesNEERC 2006 Eastern Subregional748637

1505Oil TransferNEERC 2006 Eastern Subregional1552925

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3941168

1533Fat HobbitsUSU Personal Contest 2007462997

1544Classmates 3Ural Championship 20073621253

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2411800

1569Networking the “Iset”USU Championship 2007470938

1575Yekaterinburg Subway 2Autumn School Contest 2007513860

1580Dean's DebtsAutumn School Contest 2007494893

1610CactusesUral Championship 20082062012

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253129

1630TalismanUSU Championship 20084021014

1641DutiesAutumn School Contest 2008822501

1643Attack of the Dark FortressAutumn School Contest 2008973424

1651Shortest SubchainNEERC 2008 Eastern Subregional1189347

1652Banking CrisisNEERC 2008 Eastern Subregional1432718

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1991970

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281722

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1183161

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3621088

1709Penguin-AviaUral Championship 20092626153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional661577

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1221308

1770The Party of Ural ChampionsUral Championship 20102061724

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1862190

1833Hopes of RowingUral Championship 20111602015

1837Isenbaev's NumberUral Championship 2011576859

1847ZamkadyePetrozavodsk Summer 2010. USU Contest664367

1882Old NokiaUral Regional School Programming Contest 20111102745

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional708458

1905Travel in TimeUral Championship 20122581131

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2301261

1930Ivan's CarUral Regional School Programming Contest 20121810166

1934Black SpotUral FU Championship 2012850350

1966Cycling RoadsUral FU Personal Contest 2013412676

1980Road to InvestorUral Championship 2013437632

1982Electrification PlanUral FU Championship 20132110131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional261933

2017Best of a bad lotNEERC 2014 Eastern Subregional1791337

2030Awesome Backup SystemUral Regional School Programming Contest 2014494500

2034CaravansUral Regional School Programming Contest 2014860289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942408

2055Urban GeographyUral Championship 20151501495

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141481337

2113Survive the floodUniversity academic school olympiad in informatics 2019352413

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283885

2128Rubina's SolitaireLater is better than never136980

2132Graph Decomposition. Version 2Later is better than never861491

2140BitMazeCraftUral School Programming Contest 20191111142

2147City BuildingUral School Programming Contest 2019661819

2155QuadrocopterUral School Programming Contest 20201011007

2159EssayUral School Programming Contest 2021351380

2169City Building 2Ural School Programming Contest 2022192138

2174Dualism of NumbersUral School Programming Contest 2023231022

2180Need More TasksUral School Programming Contest 2023101686

2187Need More GoldUral School Programming Contest 202442408

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022141407

2195Binary TreesICPC Ural Regional Contest Qualifier 202391777

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024121531