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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992572567

1008Image EncodingUSTU PhysTech Cup 20004131353

1016Cube on the WalkUSU Local Contest. 19991835789

1022Genealogical TreeAutumn School Contest 200010579137

1033LabyrinthUral Championship 19996314229

1035Cross-stitchUral Championship 199910821325

1040Airline CompanyUSU Championship 20001459978

1045Funny GameUSU Local Contest. March 20002761513

1056Centers of the NetNEERC 2000 Central Subregional2626537

1065FrontierNEERC 20009771359

1069Prufer CodeUSU Personal Contest 20012513517

1072RoutingUSU Personal Contest 20012699481

1076Trash1882685

1077Travelling Tours1175397

1080Map ColoringWinter Mathematical Festival Varna 20015977215

1085MeetingSpring School Contest 20012098607

1096Get the Right Route Plate!USU Local Contest. March 20011756688

1099Work Scheduling9551139

1106Two TeamsTetrahedron Team Online Contest May 2001624275

1109ConferenceBulgarian Online Contest September 20011902246

1119MetroAutumn School Contest 2001651272

1124MosaicUSU Championship 20011574297

1128Partition into GroupsUSU Championship 20011129413

1129Door PaintingUSU Championship 20011063438

1136ParliamentNEERC 2001 Central Subregional472999

1137Bus RoutesNEERC 2001 Central Subregional1390336

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011238377

1156Two RoundsUral Championship 2001. Round 21431327

1160NetworkNEERC 2001 Northern Subregional2416197

1162Currency ExchangeNEERC 2001 Northern Subregional1639286

1176HyperchannelsUSU Personal Contest 20021329353

1182Team Them Up!NEERC 2001914512

1198Jobbery962507

1199Mouse1173518

1205By the Underground or by Foot?USU Local Contest. March 20022009234

1208Legendary Teams ContestUSU Local Contest. March 20022228211

1210Kind SpiritsAutumn School Contest 20022943162

1218Episode N-th: The Jedi TournamentUSU Championship 20021476321

1227Rally ChampionshipNEERC 2002 Central Subregional1561304

1237Evacuation PlanNEERC 2002489959

1242WerewolfUSU Personal Contest 20032628182

1250Sea BurialUSU Local Contest. March 2003663713

1254Die HardUSU Local Contest. March 2003741639

1270UnicubeUSU Championship 20031932383

1271Sailing DirectionsUSU Championship 2003944652

1272Non-Yekaterinburg SubwayUSU Championship 20033216150

1277Cops and ThievesNEERC 2003 Central Subregional609782

1280Topological SortingNEERC 2003 Central Subregional3390142

1281River BasinNEERC 2003 Central Subregional3381391

1291Gear-wheelsSpring School Contest 20041225394

1301Cube in LabyrinthUral Championship 1998647740

1314Chase in SubwayUral Championship 2004. Round 1793606

1315MDPAR and MIIARUral Championship 2004. Round 12461901

1320Graph DecompositionUral Championship 2004. Round 21651293

1323ClassmatesUral Championship 2004. Round 2591810

1325DirtUral Championship 2004. Round 2875550

1329Galactic HistoryAutumn School Contest 20041045464

1337BureaucracyAutumn School Contest 20043111525

1338AutomobilesUSU Championship 20042691761

1339BabiesUSU Championship 2004540893

1358CablesSpring School Contest 2005888547

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22292059

1367Top SecretUral Championship 2005. Round 21523037

1379Cups TransportationUral Championship 2005. Round 1734663

1392Dreaming of Stars641758

1399Economical Director3210635

1400Cellular CharactersAutumn School Contest 2005894546

1416ConfidentialUSU Championship 20051202406

1419Maps of the Island WorldsUSU Championship 20053941218

1421Credit OperationsTimus Top Coders: First Challenge880540

1434Buses in VasyukiUSU Personal Contest 20064651008

1441From the History of Gringotts BankUral Championship 20064071141

1447Portkey NetworkUral Championship 20064611010

1449Credit Operations 2Timus Top Coders: Second Challenge3131465

1450Russian PipelinesTimus Top Coders: Second Challenge2346201

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894615

1487Chinese FootballUSU Championship 20063521258

1500Pass LicensesNEERC 2006 Eastern Subregional705634

1505Oil TransferNEERC 2006 Eastern Subregional1502833

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3721157

1533Fat HobbitsUSU Personal Contest 20074101049

1544Classmates 3Ural Championship 20073511207

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301753

1569Networking the “Iset”USU Championship 2007419978

1575Yekaterinburg Subway 2Autumn School Contest 2007447916

1580Dean's DebtsAutumn School Contest 2007462887

1610CactusesUral Championship 20082011909

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1083303

1630TalismanUSU Championship 2008382981

1641DutiesAutumn School Contest 2008775488

1643Attack of the Dark FortressAutumn School Contest 2008899422

1651Shortest SubchainNEERC 2008 Eastern Subregional1097346

1652Banking CrisisNEERC 2008 Eastern Subregional1372604

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921873

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131688

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1063197

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3461042

1709Penguin-AviaUral Championship 20092407153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional628553

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1141298

1770The Party of Ural ChampionsUral Championship 20101931660

1806Mobile TelegraphsNEERC 2010 Eastern Subregional999317

1833Hopes of RowingUral Championship 20111322150

1837Isenbaev's NumberUral Championship 2011526758

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544595

1882Old NokiaUral Regional School Programming Contest 20111022602

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional655437

1905Travel in TimeUral Championship 20122431043

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2171160

1930Ivan's CarUral Regional School Programming Contest 20121555168

1934Black SpotUral FU Championship 2012792326

1966Cycling RoadsUral FU Personal Contest 2013368648

1980Road to InvestorUral Championship 2013393600

1982Electrification PlanUral FU Championship 20131833128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional239845

2017Best of a bad lotNEERC 2014 Eastern Subregional1621224

2030Awesome Backup SystemUral Regional School Programming Contest 2014439467

2034CaravansUral Regional School Programming Contest 2014730283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest792337

2055Urban GeographyUral Championship 20151341363

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141231253

2113Survive the floodUniversity academic school olympiad in informatics 2019273359

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest183550

2128Rubina's SolitaireLater is better than never98876

2132Graph Decomposition. Version 2Later is better than never521527

2140BitMazeCraftUral School Programming Contest 201986932

2147City BuildingUral School Programming Contest 2019451627

2155QuadrocopterUral School Programming Contest 202059892