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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992552576

1008Image EncodingUSTU PhysTech Cup 20004141355

1016Cube on the WalkUSU Local Contest. 19991840794

1022Genealogical TreeAutumn School Contest 200010626138

1033LabyrinthUral Championship 19996353230

1035Cross-stitchUral Championship 199911011315

1040Airline CompanyUSU Championship 20001463985

1045Funny GameUSU Local Contest. March 20002777514

1056Centers of the NetNEERC 2000 Central Subregional2639540

1065FrontierNEERC 20009821365

1069Prufer CodeUSU Personal Contest 20012525519

1072RoutingUSU Personal Contest 20012705485

1076Trash1885691

1077Travelling Tours1182398

1080Map ColoringWinter Mathematical Festival Varna 20016023216

1085MeetingSpring School Contest 20012106610

1096Get the Right Route Plate!USU Local Contest. March 20011761693

1099Work Scheduling9621142

1106Two TeamsTetrahedron Team Online Contest May 2001631175

1109ConferenceBulgarian Online Contest September 20011915246

1119MetroAutumn School Contest 2001660072

1124MosaicUSU Championship 20011582298

1128Partition into GroupsUSU Championship 20011132416

1129Door PaintingUSU Championship 20011078436

1136ParliamentNEERC 2001 Central Subregional4762100

1137Bus RoutesNEERC 2001 Central Subregional1410334

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011248378

1156Two RoundsUral Championship 2001. Round 21442328

1160NetworkNEERC 2001 Northern Subregional2442197

1162Currency ExchangeNEERC 2001 Northern Subregional1653286

1176HyperchannelsUSU Personal Contest 20021344352

1182Team Them Up!NEERC 2001919514

1198Jobbery979503

1199Mouse1203471

1205By the Underground or by Foot?USU Local Contest. March 20022019235

1208Legendary Teams ContestUSU Local Contest. March 20022250211

1210Kind SpiritsAutumn School Contest 20022957162

1218Episode N-th: The Jedi TournamentUSU Championship 20021484322

1227Rally ChampionshipNEERC 2002 Central Subregional1569305

1237Evacuation PlanNEERC 2002485976

1242WerewolfUSU Personal Contest 20032666181

1250Sea BurialUSU Local Contest. March 2003665717

1254Die HardUSU Local Contest. March 2003742644

1270UnicubeUSU Championship 20031952380

1271Sailing DirectionsUSU Championship 2003954647

1272Non-Yekaterinburg SubwayUSU Championship 20033240150

1277Cops and ThievesNEERC 2003 Central Subregional611786

1280Topological SortingNEERC 2003 Central Subregional3419142

1281River BasinNEERC 2003 Central Subregional3411391

1291Gear-wheelsSpring School Contest 20041234394

1301Cube in LabyrinthUral Championship 1998651742

1314Chase in SubwayUral Championship 2004. Round 1796609

1315MDPAR and MIIARUral Championship 2004. Round 12481902

1320Graph DecompositionUral Championship 2004. Round 21663293

1323ClassmatesUral Championship 2004. Round 2593814

1325DirtUral Championship 2004. Round 2885548

1329Galactic HistoryAutumn School Contest 20041051465

1337BureaucracyAutumn School Contest 20043141524

1338AutomobilesUSU Championship 20042711763

1339BabiesUSU Championship 2004544894

1358CablesSpring School Contest 2005895548

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22312059

1367Top SecretUral Championship 2005. Round 21533044

1379Cups TransportationUral Championship 2005. Round 1740663

1392Dreaming of Stars646759

1399Economical Director3210742

1400Cellular CharactersAutumn School Contest 2005900547

1416ConfidentialUSU Championship 20051212406

1419Maps of the Island WorldsUSU Championship 20053961222

1421Credit OperationsTimus Top Coders: First Challenge890539

1434Buses in VasyukiUSU Personal Contest 20064691009

1441From the History of Gringotts BankUral Championship 20064121138

1447Portkey NetworkUral Championship 20064641013

1449Credit Operations 2Timus Top Coders: Second Challenge3171460

1450Russian PipelinesTimus Top Coders: Second Challenge2365201

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest904613

1487Chinese FootballUSU Championship 20063551260

1500Pass LicensesNEERC 2006 Eastern Subregional710636

1505Oil TransferNEERC 2006 Eastern Subregional1502861

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3741163

1533Fat HobbitsUSU Personal Contest 20074131052

1544Classmates 3Ural Championship 20073511220

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301773

1569Networking the “Iset”USU Championship 2007430964

1575Yekaterinburg Subway 2Autumn School Contest 2007450921

1580Dean's DebtsAutumn School Contest 2007468886

1610CactusesUral Championship 20082011932

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1133209

1630TalismanUSU Championship 2008383992

1641DutiesAutumn School Contest 2008782490

1643Attack of the Dark FortressAutumn School Contest 2008905425

1651Shortest SubchainNEERC 2008 Eastern Subregional1104348

1652Banking CrisisNEERC 2008 Eastern Subregional1372638

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921898

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131711

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1073214

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3501044

1709Penguin-AviaUral Championship 20092423154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional634556

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1154300

1770The Party of Ural ChampionsUral Championship 20101951670

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1019316

1833Hopes of RowingUral Championship 20111342160

1837Isenbaev's NumberUral Championship 2011535358

1847ZamkadyePetrozavodsk Summer 2010. USU Contest564543

1882Old NokiaUral Regional School Programming Contest 20111042607

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional657445

1905Travel in TimeUral Championship 20122451058

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2211166

1930Ivan's CarUral Regional School Programming Contest 20121593168

1934Black SpotUral FU Championship 2012798331

1966Cycling RoadsUral FU Personal Contest 2013372657

1980Road to InvestorUral Championship 2013398608

1982Electrification PlanUral FU Championship 20131866129

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional241864

2017Best of a bad lotNEERC 2014 Eastern Subregional1651240

2030Awesome Backup SystemUral Regional School Programming Contest 2014448472

2034CaravansUral Regional School Programming Contest 2014745286

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest802383

2055Urban GeographyUral Championship 20151351398

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141251285

2113Survive the floodUniversity academic school olympiad in informatics 2019284370

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest203558

2128Rubina's SolitaireLater is better than never104895

2132Graph Decomposition. Version 2Later is better than never551569

2140BitMazeCraftUral School Programming Contest 201989979

2147City BuildingUral School Programming Contest 2019481670

2155QuadrocopterUral School Programming Contest 202071854