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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992565567

1008Image EncodingUSTU PhysTech Cup 20004126352

1016Cube on the WalkUSU Local Contest. 19991833788

1022Genealogical TreeAutumn School Contest 200010558137

1033LabyrinthUral Championship 19996239231

1035Cross-stitchUral Championship 199910811323

1040Airline CompanyUSU Championship 20001456977

1045Funny GameUSU Local Contest. March 20002759512

1056Centers of the NetNEERC 2000 Central Subregional2622537

1065FrontierNEERC 20009771355

1069Prufer CodeUSU Personal Contest 20012508516

1072RoutingUSU Personal Contest 20012637491

1076Trash1880684

1077Travelling Tours1171397

1080Map ColoringWinter Mathematical Festival Varna 20015943216

1085MeetingSpring School Contest 20012094606

1096Get the Right Route Plate!USU Local Contest. March 20011755687

1099Work Scheduling9551136

1106Two TeamsTetrahedron Team Online Contest May 2001622675

1109ConferenceBulgarian Online Contest September 20011898246

1119MetroAutumn School Contest 2001648972

1124MosaicUSU Championship 20011559299

1128Partition into GroupsUSU Championship 20011128412

1129Door PaintingUSU Championship 20011060438

1136ParliamentNEERC 2001 Central Subregional472299

1137Bus RoutesNEERC 2001 Central Subregional1366341

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011231378

1156Two RoundsUral Championship 2001. Round 21426327

1160NetworkNEERC 2001 Northern Subregional2378200

1162Currency ExchangeNEERC 2001 Northern Subregional1591294

1176HyperchannelsUSU Personal Contest 20021323354

1182Team Them Up!NEERC 2001910513

1198Jobbery956509

1199Mouse1153563

1205By the Underground or by Foot?USU Local Contest. March 20022054229

1208Legendary Teams ContestUSU Local Contest. March 20022224211

1210Kind SpiritsAutumn School Contest 20022936162

1218Episode N-th: The Jedi TournamentUSU Championship 20021469322

1227Rally ChampionshipNEERC 2002 Central Subregional1553305

1237Evacuation PlanNEERC 2002488959

1242WerewolfUSU Personal Contest 20032504190

1250Sea BurialUSU Local Contest. March 2003662712

1254Die HardUSU Local Contest. March 2003737641

1270UnicubeUSU Championship 20031932377

1271Sailing DirectionsUSU Championship 2003944640

1272Non-Yekaterinburg SubwayUSU Championship 20033209150

1277Cops and ThievesNEERC 2003 Central Subregional608781

1280Topological SortingNEERC 2003 Central Subregional3382142

1281River BasinNEERC 2003 Central Subregional3371391

1291Gear-wheelsSpring School Contest 20041219395

1301Cube in LabyrinthUral Championship 1998646739

1314Chase in SubwayUral Championship 2004. Round 1789607

1315MDPAR and MIIARUral Championship 2004. Round 12461896

1320Graph DecompositionUral Championship 2004. Round 21635295

1323ClassmatesUral Championship 2004. Round 2589810

1325DirtUral Championship 2004. Round 2873550

1329Galactic HistoryAutumn School Contest 20041041465

1337BureaucracyAutumn School Contest 20043111521

1338AutomobilesUSU Championship 20042691756

1339BabiesUSU Championship 2004539893

1358CablesSpring School Contest 2005884549

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22292054

1367Top SecretUral Championship 2005. Round 21523030

1379Cups TransportationUral Championship 2005. Round 1721673

1392Dreaming of Stars639759

1399Economical Director3210603

1400Cellular CharactersAutumn School Contest 2005892546

1416ConfidentialUSU Championship 20051194408

1419Maps of the Island WorldsUSU Championship 20053931218

1421Credit OperationsTimus Top Coders: First Challenge878540

1434Buses in VasyukiUSU Personal Contest 20064641008

1441From the History of Gringotts BankUral Championship 20064071138

1447Portkey NetworkUral Championship 20064601010

1449Credit Operations 2Timus Top Coders: Second Challenge3131461

1450Russian PipelinesTimus Top Coders: Second Challenge2289205

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894601

1487Chinese FootballUSU Championship 20063521255

1500Pass LicensesNEERC 2006 Eastern Subregional705632

1505Oil TransferNEERC 2006 Eastern Subregional1502825

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3671169

1533Fat HobbitsUSU Personal Contest 20074091048

1544Classmates 3Ural Championship 20073511203

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301747

1569Networking the “Iset”USU Championship 2007418977

1575Yekaterinburg Subway 2Autumn School Contest 2007447913

1580Dean's DebtsAutumn School Contest 2007461886

1610CactusesUral Championship 20082011902

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1083291

1630TalismanUSU Championship 2008381980

1641DutiesAutumn School Contest 2008774487

1643Attack of the Dark FortressAutumn School Contest 2008884427

1651Shortest SubchainNEERC 2008 Eastern Subregional1089347

1652Banking CrisisNEERC 2008 Eastern Subregional1372594

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921866

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131682

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1063184

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3451041

1709Penguin-AviaUral Championship 20092398153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional626552

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1134299

1770The Party of Ural ChampionsUral Championship 20101931652

1806Mobile TelegraphsNEERC 2010 Eastern Subregional940335

1833Hopes of RowingUral Championship 20111322139

1837Isenbaev's NumberUral Championship 2011524758

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544569

1882Old NokiaUral Regional School Programming Contest 20111022587

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional653436

1905Travel in TimeUral Championship 20122421040

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional263958

1930Ivan's CarUral Regional School Programming Contest 20121534169

1934Black SpotUral FU Championship 2012788326

1966Cycling RoadsUral FU Personal Contest 2013366647

1980Road to InvestorUral Championship 2013389602

1982Electrification PlanUral FU Championship 20131822128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional238841

2017Best of a bad lotNEERC 2014 Eastern Subregional1611220

2030Awesome Backup SystemUral Regional School Programming Contest 2014437464

2034CaravansUral Regional School Programming Contest 2014718285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest792316

2055Urban GeographyUral Championship 20151311378

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141211257

2113Survive the floodUniversity academic school olympiad in informatics 2019269356

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest183473

2128Rubina's SolitaireLater is better than never97864

2132Graph Decomposition. Version 2Later is better than never521492

2140BitMazeCraftUral School Programming Contest 201986909

2147City BuildingUral School Programming Contest 2019451587

2155QuadrocopterUral School Programming Contest 202058872