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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992706580

1008Image EncodingUSTU PhysTech Cup 20004277367

1016Cube on the WalkUSU Local Contest. 19991894823

1022Genealogical TreeAutumn School Contest 200011042142

1033LabyrinthUral Championship 19996589237

1035Cross-stitchUral Championship 199911271370

1040Airline CompanyUSU Championship 200015351001

1045Funny GameUSU Local Contest. March 20002916523

1056Centers of the NetNEERC 2000 Central Subregional2755552

1065FrontierNEERC 200010131411

1069Prufer CodeUSU Personal Contest 20012704517

1072RoutingUSU Personal Contest 20012787502

1076Trash1950712

1077Travelling Tours1268395

1080Map ColoringWinter Mathematical Festival Varna 20017291190

1085MeetingSpring School Contest 20012190625

1096Get the Right Route Plate!USU Local Contest. March 20011830710

1099Work Scheduling10201148

1106Two TeamsTetrahedron Team Online Contest May 2001679774

1109ConferenceBulgarian Online Contest September 20012009250

1119MetroAutumn School Contest 2001721670

1124MosaicUSU Championship 20011682299

1128Partition into GroupsUSU Championship 20011216412

1129Door PaintingUSU Championship 20011234406

1136ParliamentNEERC 2001 Central Subregional5041100

1137Bus RoutesNEERC 2001 Central Subregional1560322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011423353

1156Two RoundsUral Championship 2001. Round 21539327

1160NetworkNEERC 2001 Northern Subregional3489146

1162Currency ExchangeNEERC 2001 Northern Subregional2558197

1176HyperchannelsUSU Personal Contest 20021507335

1182Team Them Up!NEERC 2001981512

1198Jobbery1070488

1199Mouse1133930

1205By the Underground or by Foot?USU Local Contest. March 20022150235

1208Legendary Teams ContestUSU Local Contest. March 20022365214

1210Kind SpiritsAutumn School Contest 20023001170

1218Episode N-th: The Jedi TournamentUSU Championship 20021577323

1227Rally ChampionshipNEERC 2002 Central Subregional1689301

1237Evacuation PlanNEERC 2002508991

1242WerewolfUSU Personal Contest 20032900177

1250Sea BurialUSU Local Contest. March 2003698726

1254Die HardUSU Local Contest. March 2003787645

1270UnicubeUSU Championship 20032132323

1271Sailing DirectionsUSU Championship 20031024624

1272Non-Yekaterinburg SubwayUSU Championship 20033502147

1277Cops and ThievesNEERC 2003 Central Subregional586869

1280Topological SortingNEERC 2003 Central Subregional3653141

1281River BasinNEERC 2003 Central Subregional2741824

1291Gear-wheelsSpring School Contest 20041347383

1301Cube in LabyrinthUral Championship 1998688745

1314Chase in SubwayUral Championship 2004. Round 1876588

1315MDPAR and MIIARUral Championship 2004. Round 12721846

1320Graph DecompositionUral Championship 2004. Round 21804287

1323ClassmatesUral Championship 2004. Round 2617830

1325DirtUral Championship 2004. Round 2960537

1329Galactic HistoryAutumn School Contest 20041132458

1337BureaucracyAutumn School Contest 20043311534

1338AutomobilesUSU Championship 20042891756

1339BabiesUSU Championship 2004601859

1358CablesSpring School Contest 2005964539

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22611940

1367Top SecretUral Championship 2005. Round 21653004

1379Cups TransportationUral Championship 2005. Round 1857608

1392Dreaming of Stars675769

1399Economical Director3810068

1400Cellular CharactersAutumn School Contest 2005950549

1416ConfidentialUSU Championship 20051324394

1419Maps of the Island WorldsUSU Championship 20054231214

1421Credit OperationsTimus Top Coders: First Challenge938543

1434Buses in VasyukiUSU Personal Contest 2006568888

1441From the History of Gringotts BankUral Championship 20064371142

1447Portkey NetworkUral Championship 2006509984

1449Credit Operations 2Timus Top Coders: Second Challenge3331481

1450Russian PipelinesTimus Top Coders: Second Challenge3318153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1024400

1487Chinese FootballUSU Championship 20063811257

1500Pass LicensesNEERC 2006 Eastern Subregional753642

1505Oil TransferNEERC 2006 Eastern Subregional1592897

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4041157

1533Fat HobbitsUSU Personal Contest 2007474987

1544Classmates 3Ural Championship 20073671255

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2491772

1569Networking the “Iset”USU Championship 2007491914

1575Yekaterinburg Subway 2Autumn School Contest 2007520863

1580Dean's DebtsAutumn School Contest 2007504889

1610CactusesUral Championship 20082092019

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1283117

1630TalismanUSU Championship 20084121008

1641DutiesAutumn School Contest 2008827507

1643Attack of the Dark FortressAutumn School Contest 2008986426

1651Shortest SubchainNEERC 2008 Eastern Subregional1217345

1652Banking CrisisNEERC 2008 Eastern Subregional1472698

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2041960

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2301741

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1253056

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3721080

1709Penguin-AviaUral Championship 20092649154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional671581

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1239310

1770The Party of Ural ChampionsUral Championship 20102091739

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1902191

1833Hopes of RowingUral Championship 20111622042

1837Isenbaev's NumberUral Championship 2011588760

1847ZamkadyePetrozavodsk Summer 2010. USU Contest694314

1882Old NokiaUral Regional School Programming Contest 20111142728

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional727458

1905Travel in TimeUral Championship 20122641141

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2341279

1930Ivan's CarUral Regional School Programming Contest 20121873165

1934Black SpotUral FU Championship 2012863356

1966Cycling RoadsUral FU Personal Contest 2013422683

1980Road to InvestorUral Championship 2013446640

1982Electrification PlanUral FU Championship 20132144133

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional265955

2017Best of a bad lotNEERC 2014 Eastern Subregional1831361

2030Awesome Backup SystemUral Regional School Programming Contest 2014501512

2034CaravansUral Regional School Programming Contest 2014908285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest962457

2055Urban GeographyUral Championship 20151561502

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141511378

2113Survive the floodUniversity academic school olympiad in informatics 2019369425

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest333698

2128Rubina's SolitaireLater is better than never145997

2132Graph Decomposition. Version 2Later is better than never921515

2140BitMazeCraftUral School Programming Contest 20191181170

2147City BuildingUral School Programming Contest 2019681920

2155QuadrocopterUral School Programming Contest 20201131005

2159EssayUral School Programming Contest 2021401492

2169City Building 2Ural School Programming Contest 2022281961

2174Dualism of NumbersUral School Programming Contest 202340933

2180Need More TasksUral School Programming Contest 2023181665

2187Need More GoldUral School Programming Contest 2024161793

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022301167

2195Binary TreesICPC Ural Regional Contest Qualifier 2023122121

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024241370