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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992686581

1008Image EncodingUSTU PhysTech Cup 20004265366

1016Cube on the WalkUSU Local Contest. 19991889821

1022Genealogical TreeAutumn School Contest 200011000141

1033LabyrinthUral Championship 19996565236

1035Cross-stitchUral Championship 199911231368

1040Airline CompanyUSU Championship 200015271001

1045Funny GameUSU Local Contest. March 20002907521

1056Centers of the NetNEERC 2000 Central Subregional2746550

1065FrontierNEERC 200010091409

1069Prufer CodeUSU Personal Contest 20012692516

1072RoutingUSU Personal Contest 20012767502

1076Trash1941711

1077Travelling Tours1257397

1080Map ColoringWinter Mathematical Festival Varna 20017259190

1085MeetingSpring School Contest 20012178625

1096Get the Right Route Plate!USU Local Contest. March 20011823709

1099Work Scheduling10111152

1106Two TeamsTetrahedron Team Online Contest May 2001676374

1109ConferenceBulgarian Online Contest September 20011999250

1119MetroAutumn School Contest 2001718470

1124MosaicUSU Championship 20011674299

1128Partition into GroupsUSU Championship 20011210412

1129Door PaintingUSU Championship 20011231405

1136ParliamentNEERC 2001 Central Subregional5029100

1137Bus RoutesNEERC 2001 Central Subregional1552322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011406355

1156Two RoundsUral Championship 2001. Round 21525328

1160NetworkNEERC 2001 Northern Subregional3477146

1162Currency ExchangeNEERC 2001 Northern Subregional2551197

1176HyperchannelsUSU Personal Contest 20021499335

1182Team Them Up!NEERC 2001971515

1198Jobbery1062489

1199Mouse1313408

1205By the Underground or by Foot?USU Local Contest. March 20022121237

1208Legendary Teams ContestUSU Local Contest. March 20022358213

1210Kind SpiritsAutumn School Contest 20023105163

1218Episode N-th: The Jedi TournamentUSU Championship 20021565323

1227Rally ChampionshipNEERC 2002 Central Subregional1677302

1237Evacuation PlanNEERC 2002508986

1242WerewolfUSU Personal Contest 20032888176

1250Sea BurialUSU Local Contest. March 2003691730

1254Die HardUSU Local Contest. March 2003783645

1270UnicubeUSU Championship 20032052397

1271Sailing DirectionsUSU Championship 20031014643

1272Non-Yekaterinburg SubwayUSU Championship 20033489147

1277Cops and ThievesNEERC 2003 Central Subregional642791

1280Topological SortingNEERC 2003 Central Subregional3633142

1281River BasinNEERC 2003 Central Subregional2711835

1291Gear-wheelsSpring School Contest 20041334385

1301Cube in LabyrinthUral Championship 1998688742

1314Chase in SubwayUral Championship 2004. Round 1869589

1315MDPAR and MIIARUral Championship 2004. Round 12701850

1320Graph DecompositionUral Championship 2004. Round 21792287

1323ClassmatesUral Championship 2004. Round 2616828

1325DirtUral Championship 2004. Round 2952538

1329Galactic HistoryAutumn School Contest 20041123460

1337BureaucracyAutumn School Contest 20043251554

1338AutomobilesUSU Championship 20042821789

1339BabiesUSU Championship 2004597861

1358CablesSpring School Contest 2005952543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22571959

1367Top SecretUral Championship 2005. Round 21652989

1379Cups TransportationUral Championship 2005. Round 1847612

1392Dreaming of Stars673768

1399Economical Director3710223

1400Cellular CharactersAutumn School Contest 2005943550

1416ConfidentialUSU Championship 20051314395

1419Maps of the Island WorldsUSU Championship 20054181222

1421Credit OperationsTimus Top Coders: First Challenge932544

1434Buses in VasyukiUSU Personal Contest 2006561895

1441From the History of Gringotts BankUral Championship 20064351141

1447Portkey NetworkUral Championship 2006502992

1449Credit Operations 2Timus Top Coders: Second Challenge3291490

1450Russian PipelinesTimus Top Coders: Second Challenge3294153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994496

1487Chinese FootballUSU Championship 20063731276

1500Pass LicensesNEERC 2006 Eastern Subregional750641

1505Oil TransferNEERC 2006 Eastern Subregional1582898

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3971170

1533Fat HobbitsUSU Personal Contest 2007469991

1544Classmates 3Ural Championship 20073651254

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451789

1569Networking the “Iset”USU Championship 2007485919

1575Yekaterinburg Subway 2Autumn School Contest 2007518860

1580Dean's DebtsAutumn School Contest 2007496898

1610CactusesUral Championship 20082072024

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1263140

1630TalismanUSU Championship 20084051018

1641DutiesAutumn School Contest 2008824505

1643Attack of the Dark FortressAutumn School Contest 2008978426

1651Shortest SubchainNEERC 2008 Eastern Subregional1213344

1652Banking CrisisNEERC 2008 Eastern Subregional1442731

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2011974

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2291735

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1213125

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3691080

1709Penguin-AviaUral Championship 20092644154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional667579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1232309

1770The Party of Ural ChampionsUral Championship 20102071740

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1895190

1833Hopes of RowingUral Championship 20111612034

1837Isenbaev's NumberUral Championship 2011584759

1847ZamkadyePetrozavodsk Summer 2010. USU Contest674380

1882Old NokiaUral Regional School Programming Contest 20111122744

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional719458

1905Travel in TimeUral Championship 20122641127

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2321274

1930Ivan's CarUral Regional School Programming Contest 20121847166

1934Black SpotUral FU Championship 2012857354

1966Cycling RoadsUral FU Personal Contest 2013416683

1980Road to InvestorUral Championship 2013441639

1982Electrification PlanUral FU Championship 20132131132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262951

2017Best of a bad lotNEERC 2014 Eastern Subregional1801362

2030Awesome Backup SystemUral Regional School Programming Contest 2014499507

2034CaravansUral Regional School Programming Contest 2014898284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest952443

2055Urban GeographyUral Championship 20151521515

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141511352

2113Survive the floodUniversity academic school olympiad in informatics 2019364419

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest313768

2128Rubina's SolitaireLater is better than never1371021

2132Graph Decomposition. Version 2Later is better than never891515

2140BitMazeCraftUral School Programming Contest 20191141171

2147City BuildingUral School Programming Contest 2019661910

2155QuadrocopterUral School Programming Contest 20201051034

2159EssayUral School Programming Contest 2021371482

2169City Building 2Ural School Programming Contest 2022232108

2174Dualism of NumbersUral School Programming Contest 202338865

2180Need More TasksUral School Programming Contest 2023141729

2187Need More GoldUral School Programming Contest 2024131804

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022211340

2195Binary TreesICPC Ural Regional Contest Qualifier 2023102077

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024191429