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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992688581

1008Image EncodingUSTU PhysTech Cup 20004265366

1016Cube on the WalkUSU Local Contest. 19991890821

1022Genealogical TreeAutumn School Contest 200011002142

1033LabyrinthUral Championship 19996568236

1035Cross-stitchUral Championship 199911231369

1040Airline CompanyUSU Championship 200015281001

1045Funny GameUSU Local Contest. March 20002909521

1056Centers of the NetNEERC 2000 Central Subregional2746551

1065FrontierNEERC 200010091410

1069Prufer CodeUSU Personal Contest 20012692517

1072RoutingUSU Personal Contest 20012769502

1076Trash1942711

1077Travelling Tours1258397

1080Map ColoringWinter Mathematical Festival Varna 20017261190

1085MeetingSpring School Contest 20012180625

1096Get the Right Route Plate!USU Local Contest. March 20011823710

1099Work Scheduling10121152

1106Two TeamsTetrahedron Team Online Contest May 2001676474

1109ConferenceBulgarian Online Contest September 20012001250

1119MetroAutumn School Contest 2001719070

1124MosaicUSU Championship 20011675299

1128Partition into GroupsUSU Championship 20011210412

1129Door PaintingUSU Championship 20011231405

1136ParliamentNEERC 2001 Central Subregional5032100

1137Bus RoutesNEERC 2001 Central Subregional1553322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011406356

1156Two RoundsUral Championship 2001. Round 21525328

1160NetworkNEERC 2001 Northern Subregional3477146

1162Currency ExchangeNEERC 2001 Northern Subregional2551197

1176HyperchannelsUSU Personal Contest 20021501334

1182Team Them Up!NEERC 2001972515

1198Jobbery1063489

1199Mouse1323387

1205By the Underground or by Foot?USU Local Contest. March 20022122237

1208Legendary Teams ContestUSU Local Contest. March 20022359213

1210Kind SpiritsAutumn School Contest 20022983170

1218Episode N-th: The Jedi TournamentUSU Championship 20021566323

1227Rally ChampionshipNEERC 2002 Central Subregional1679302

1237Evacuation PlanNEERC 2002508986

1242WerewolfUSU Personal Contest 20032888177

1250Sea BurialUSU Local Contest. March 2003691730

1254Die HardUSU Local Contest. March 2003784645

1270UnicubeUSU Championship 20032052398

1271Sailing DirectionsUSU Championship 20031014646

1272Non-Yekaterinburg SubwayUSU Championship 20033489147

1277Cops and ThievesNEERC 2003 Central Subregional580874

1280Topological SortingNEERC 2003 Central Subregional3634142

1281River BasinNEERC 2003 Central Subregional2721829

1291Gear-wheelsSpring School Contest 20041334385

1301Cube in LabyrinthUral Championship 1998688742

1314Chase in SubwayUral Championship 2004. Round 1870589

1315MDPAR and MIIARUral Championship 2004. Round 12711845

1320Graph DecompositionUral Championship 2004. Round 21793287

1323ClassmatesUral Championship 2004. Round 2616828

1325DirtUral Championship 2004. Round 2953538

1329Galactic HistoryAutumn School Contest 20041125459

1337BureaucracyAutumn School Contest 20043251555

1338AutomobilesUSU Championship 20042821790

1339BabiesUSU Championship 2004600857

1358CablesSpring School Contest 2005952544

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22571960

1367Top SecretUral Championship 2005. Round 21652991

1379Cups TransportationUral Championship 2005. Round 1847612

1392Dreaming of Stars673768

1399Economical Director3710231

1400Cellular CharactersAutumn School Contest 2005945550

1416ConfidentialUSU Championship 20051315395

1419Maps of the Island WorldsUSU Championship 20054181223

1421Credit OperationsTimus Top Coders: First Challenge932544

1434Buses in VasyukiUSU Personal Contest 2006562894

1441From the History of Gringotts BankUral Championship 20064351142

1447Portkey NetworkUral Championship 2006503991

1449Credit Operations 2Timus Top Coders: Second Challenge3291491

1450Russian PipelinesTimus Top Coders: Second Challenge3294153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994499

1487Chinese FootballUSU Championship 20063731277

1500Pass LicensesNEERC 2006 Eastern Subregional751640

1505Oil TransferNEERC 2006 Eastern Subregional1582900

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3971171

1533Fat HobbitsUSU Personal Contest 2007469992

1544Classmates 3Ural Championship 20073651255

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451790

1569Networking the “Iset”USU Championship 2007485920

1575Yekaterinburg Subway 2Autumn School Contest 2007520858

1580Dean's DebtsAutumn School Contest 2007496898

1610CactusesUral Championship 20082082017

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1263143

1630TalismanUSU Championship 20084051019

1641DutiesAutumn School Contest 2008824505

1643Attack of the Dark FortressAutumn School Contest 2008979426

1651Shortest SubchainNEERC 2008 Eastern Subregional1213344

1652Banking CrisisNEERC 2008 Eastern Subregional1442734

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2011975

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2291737

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1213128

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3691081

1709Penguin-AviaUral Championship 20092644154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional668579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1233309

1770The Party of Ural ChampionsUral Championship 20102081734

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1896190

1833Hopes of RowingUral Championship 20111612037

1837Isenbaev's NumberUral Championship 2011585359

1847ZamkadyePetrozavodsk Summer 2010. USU Contest674386

1882Old NokiaUral Regional School Programming Contest 20111122748

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional720458

1905Travel in TimeUral Championship 20122641129

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2331271

1930Ivan's CarUral Regional School Programming Contest 20121849166

1934Black SpotUral FU Championship 2012857354

1966Cycling RoadsUral FU Personal Contest 2013417683

1980Road to InvestorUral Championship 2013442639

1982Electrification PlanUral FU Championship 20132131132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262953

2017Best of a bad lotNEERC 2014 Eastern Subregional1801365

2030Awesome Backup SystemUral Regional School Programming Contest 2014499508

2034CaravansUral Regional School Programming Contest 2014902283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest952448

2055Urban GeographyUral Championship 20151521518

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141511355

2113Survive the floodUniversity academic school olympiad in informatics 2019365419

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest313782

2128Rubina's SolitaireLater is better than never1391011

2132Graph Decomposition. Version 2Later is better than never891521

2140BitMazeCraftUral School Programming Contest 20191141175

2147City BuildingUral School Programming Contest 2019661918

2155QuadrocopterUral School Programming Contest 20201051040

2159EssayUral School Programming Contest 2021371496

2169City Building 2Ural School Programming Contest 2022232128

2174Dualism of NumbersUral School Programming Contest 202338879

2180Need More TasksUral School Programming Contest 2023141757

2187Need More GoldUral School Programming Contest 202482342

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022211362

2195Binary TreesICPC Ural Regional Contest Qualifier 2023102110

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024201404