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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992710580

1008Image EncodingUSTU PhysTech Cup 20004279367

1016Cube on the WalkUSU Local Contest. 19991898823

1022Genealogical TreeAutumn School Contest 200011048142

1033LabyrinthUral Championship 19996594237

1035Cross-stitchUral Championship 199911291369

1040Airline CompanyUSU Championship 200015381000

1045Funny GameUSU Local Contest. March 20002927521

1056Centers of the NetNEERC 2000 Central Subregional2767550

1065FrontierNEERC 200010131413

1069Prufer CodeUSU Personal Contest 20012712516

1072RoutingUSU Personal Contest 20012790502

1076Trash1956711

1077Travelling Tours1269395

1080Map ColoringWinter Mathematical Festival Varna 20017296190

1085MeetingSpring School Contest 20012194625

1096Get the Right Route Plate!USU Local Contest. March 20011842707

1099Work Scheduling10251144

1106Two TeamsTetrahedron Team Online Contest May 2001681374

1109ConferenceBulgarian Online Contest September 20012015250

1119MetroAutumn School Contest 2001722170

1124MosaicUSU Championship 20011689298

1128Partition into GroupsUSU Championship 20011217412

1129Door PaintingUSU Championship 20011236406

1136ParliamentNEERC 2001 Central Subregional5066100

1137Bus RoutesNEERC 2001 Central Subregional1562322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011424353

1156Two RoundsUral Championship 2001. Round 21543326

1160NetworkNEERC 2001 Northern Subregional3492147

1162Currency ExchangeNEERC 2001 Northern Subregional2567197

1176HyperchannelsUSU Personal Contest 20021510334

1182Team Them Up!NEERC 2001988509

1198Jobbery1074486

1199Mouse1143903

1205By the Underground or by Foot?USU Local Contest. March 20022153235

1208Legendary Teams ContestUSU Local Contest. March 20022371214

1210Kind SpiritsAutumn School Contest 20023002170

1218Episode N-th: The Jedi TournamentUSU Championship 20021579323

1227Rally ChampionshipNEERC 2002 Central Subregional1692301

1237Evacuation PlanNEERC 2002510988

1242WerewolfUSU Personal Contest 20032909176

1250Sea BurialUSU Local Contest. March 2003700725

1254Die HardUSU Local Contest. March 2003789644

1270UnicubeUSU Championship 20032172284

1271Sailing DirectionsUSU Championship 20031044548

1272Non-Yekaterinburg SubwayUSU Championship 20033508147

1277Cops and ThievesNEERC 2003 Central Subregional588867

1280Topological SortingNEERC 2003 Central Subregional3661141

1281River BasinNEERC 2003 Central Subregional2761814

1291Gear-wheelsSpring School Contest 20041351383

1301Cube in LabyrinthUral Championship 1998689745

1314Chase in SubwayUral Championship 2004. Round 1882584

1315MDPAR and MIIARUral Championship 2004. Round 12741835

1320Graph DecompositionUral Championship 2004. Round 21809287

1323ClassmatesUral Championship 2004. Round 2618830

1325DirtUral Championship 2004. Round 2965535

1329Galactic HistoryAutumn School Contest 20041138456

1337BureaucracyAutumn School Contest 20043321532

1338AutomobilesUSU Championship 20042911746

1339BabiesUSU Championship 2004604856

1358CablesSpring School Contest 2005965539

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22661907

1367Top SecretUral Championship 2005. Round 21662990

1379Cups TransportationUral Championship 2005. Round 1862605

1392Dreaming of Stars681764

1399Economical Director419488

1400Cellular CharactersAutumn School Contest 2005952548

1416ConfidentialUSU Championship 20051330393

1419Maps of the Island WorldsUSU Championship 20054241212

1421Credit OperationsTimus Top Coders: First Challenge939543

1434Buses in VasyukiUSU Personal Contest 2006572883

1441From the History of Gringotts BankUral Championship 20064371144

1447Portkey NetworkUral Championship 2006512979

1449Credit Operations 2Timus Top Coders: Second Challenge3331483

1450Russian PipelinesTimus Top Coders: Second Challenge3326152

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1074217

1487Chinese FootballUSU Championship 20063811259

1500Pass LicensesNEERC 2006 Eastern Subregional755641

1505Oil TransferNEERC 2006 Eastern Subregional1602883

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4111139

1533Fat HobbitsUSU Personal Contest 2007477982

1544Classmates 3Ural Championship 20073671257

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2491775

1569Networking the “Iset”USU Championship 2007491915

1575Yekaterinburg Subway 2Autumn School Contest 2007521862

1580Dean's DebtsAutumn School Contest 2007509882

1610CactusesUral Championship 20082092022

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1283122

1630TalismanUSU Championship 20084151003

1641DutiesAutumn School Contest 2008829507

1643Attack of the Dark FortressAutumn School Contest 2008989425

1651Shortest SubchainNEERC 2008 Eastern Subregional1220345

1652Banking CrisisNEERC 2008 Eastern Subregional1472703

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2041964

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2301744

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1263039

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3731079

1709Penguin-AviaUral Championship 20092653155

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional675578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1243309

1770The Party of Ural ChampionsUral Championship 20102091742

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1907191

1833Hopes of RowingUral Championship 20111642024

1837Isenbaev's NumberUral Championship 2011589460

1847ZamkadyePetrozavodsk Summer 2010. USU Contest734116

1882Old NokiaUral Regional School Programming Contest 20111152713

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional730458

1905Travel in TimeUral Championship 20122661135

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2361272

1930Ivan's CarUral Regional School Programming Contest 20121881165

1934Black SpotUral FU Championship 2012864356

1966Cycling RoadsUral FU Personal Contest 2013429674

1980Road to InvestorUral Championship 2013453633

1982Electrification PlanUral FU Championship 20132148133

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional269945

2017Best of a bad lotNEERC 2014 Eastern Subregional1841359

2030Awesome Backup SystemUral Regional School Programming Contest 2014502513

2034CaravansUral Regional School Programming Contest 2014912285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest982420

2055Urban GeographyUral Championship 20151591481

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141521375

2113Survive the floodUniversity-Academy Olympiad 2019371425

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest333722

2128Rubina's SolitaireLater is better than never146997

2132Graph Decomposition. Version 2Later is better than never921526

2140BitMazeCraftUral School Programming Contest 20191201160

2147City BuildingUral School Programming Contest 2019701885

2155QuadrocopterUral School Programming Contest 2020116990

2159EssayUral School Programming Contest 2021441403

2169City Building 2Ural School Programming Contest 2022291940

2174Dualism of NumbersUral School Programming Contest 202341938

2180Need More TasksUral School Programming Contest 2023201593

2187Need More GoldUral School Programming Contest 2024171770

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022361040

2195Binary TreesICPC Ural Regional Contest Qualifier 2023132080

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024251364

2200He is not a knight for you 2University-Academy Olympiad 202051840

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202561722

2226County of SquirrelsUral Championship 202551838