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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992678582

1008Image EncodingUSTU PhysTech Cup 20004262365

1016Cube on the WalkUSU Local Contest. 19991889820

1022Genealogical TreeAutumn School Contest 200010986141

1033LabyrinthUral Championship 19996562236

1035Cross-stitchUral Championship 199911221366

1040Airline CompanyUSU Championship 200015241001

1045Funny GameUSU Local Contest. March 20002906521

1056Centers of the NetNEERC 2000 Central Subregional2744550

1065FrontierNEERC 200010081408

1069Prufer CodeUSU Personal Contest 20012688516

1072RoutingUSU Personal Contest 20012766502

1076Trash1941710

1077Travelling Tours1257396

1080Map ColoringWinter Mathematical Festival Varna 20017248190

1085MeetingSpring School Contest 20012178624

1096Get the Right Route Plate!USU Local Contest. March 20011822708

1099Work Scheduling10111150

1106Two TeamsTetrahedron Team Online Contest May 2001675574

1109ConferenceBulgarian Online Contest September 20011998250

1119MetroAutumn School Contest 2001717570

1124MosaicUSU Championship 20011673298

1128Partition into GroupsUSU Championship 20011208412

1129Door PaintingUSU Championship 20011225406

1136ParliamentNEERC 2001 Central Subregional5023100

1137Bus RoutesNEERC 2001 Central Subregional1547323

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011402356

1156Two RoundsUral Championship 2001. Round 21521328

1160NetworkNEERC 2001 Northern Subregional3472146

1162Currency ExchangeNEERC 2001 Northern Subregional2544197

1176HyperchannelsUSU Personal Contest 20021497334

1182Team Them Up!NEERC 2001971514

1198Jobbery1062488

1199Mouse1313402

1205By the Underground or by Foot?USU Local Contest. March 20022117237

1208Legendary Teams ContestUSU Local Contest. March 20022355213

1210Kind SpiritsAutumn School Contest 20023105163

1218Episode N-th: The Jedi TournamentUSU Championship 20021561324

1227Rally ChampionshipNEERC 2002 Central Subregional1675302

1237Evacuation PlanNEERC 2002507986

1242WerewolfUSU Personal Contest 20032882177

1250Sea BurialUSU Local Contest. March 2003690730

1254Die HardUSU Local Contest. March 2003783644

1270UnicubeUSU Championship 20032052393

1271Sailing DirectionsUSU Championship 20031014635

1272Non-Yekaterinburg SubwayUSU Championship 20033488147

1277Cops and ThievesNEERC 2003 Central Subregional642789

1280Topological SortingNEERC 2003 Central Subregional3629141

1281River BasinNEERC 2003 Central Subregional3631380

1291Gear-wheelsSpring School Contest 20041332385

1301Cube in LabyrinthUral Championship 1998687742

1314Chase in SubwayUral Championship 2004. Round 1869588

1315MDPAR and MIIARUral Championship 2004. Round 12691853

1320Graph DecompositionUral Championship 2004. Round 21792287

1323ClassmatesUral Championship 2004. Round 2616826

1325DirtUral Championship 2004. Round 2952538

1329Galactic HistoryAutumn School Contest 20041121460

1337BureaucracyAutumn School Contest 20043251552

1338AutomobilesUSU Championship 20042811792

1339BabiesUSU Championship 2004596861

1358CablesSpring School Contest 2005952542

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22571956

1367Top SecretUral Championship 2005. Round 21643002

1379Cups TransportationUral Championship 2005. Round 1847611

1392Dreaming of Stars673767

1399Economical Director3710203

1400Cellular CharactersAutumn School Contest 2005942550

1416ConfidentialUSU Championship 20051313395

1419Maps of the Island WorldsUSU Championship 20054181220

1421Credit OperationsTimus Top Coders: First Challenge929545

1434Buses in VasyukiUSU Personal Contest 2006560895

1441From the History of Gringotts BankUral Championship 20064331145

1447Portkey NetworkUral Championship 2006501992

1449Credit Operations 2Timus Top Coders: Second Challenge3291488

1450Russian PipelinesTimus Top Coders: Second Challenge3288153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994487

1487Chinese FootballUSU Championship 20063731274

1500Pass LicensesNEERC 2006 Eastern Subregional750639

1505Oil TransferNEERC 2006 Eastern Subregional1582892

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3961170

1533Fat HobbitsUSU Personal Contest 2007468991

1544Classmates 3Ural Championship 20073641255

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451785

1569Networking the “Iset”USU Championship 2007484919

1575Yekaterinburg Subway 2Autumn School Contest 2007517860

1580Dean's DebtsAutumn School Contest 2007496896

1610CactusesUral Championship 20082062029

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1263133

1630TalismanUSU Championship 20084051015

1641DutiesAutumn School Contest 2008824504

1643Attack of the Dark FortressAutumn School Contest 2008977426

1651Shortest SubchainNEERC 2008 Eastern Subregional1209344

1652Banking CrisisNEERC 2008 Eastern Subregional1442724

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2011969

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281738

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1203141

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3681080

1709Penguin-AviaUral Championship 20092642153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional667578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1228309

1770The Party of Ural ChampionsUral Championship 20102061742

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1892190

1833Hopes of RowingUral Championship 20111612027

1837Isenbaev's NumberUral Championship 2011582959

1847ZamkadyePetrozavodsk Summer 2010. USU Contest674364

1882Old NokiaUral Regional School Programming Contest 20111122734

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional717458

1905Travel in TimeUral Championship 20122631127

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2311274

1930Ivan's CarUral Regional School Programming Contest 20121841166

1934Black SpotUral FU Championship 2012854354

1966Cycling RoadsUral FU Personal Contest 2013415682

1980Road to InvestorUral Championship 2013439639

1982Electrification PlanUral FU Championship 20132130132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262947

2017Best of a bad lotNEERC 2014 Eastern Subregional1801355

2030Awesome Backup SystemUral Regional School Programming Contest 2014497506

2034CaravansUral Regional School Programming Contest 2014894284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest952430

2055Urban GeographyUral Championship 20151521506

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141501351

2113Survive the floodUniversity academic school olympiad in informatics 2019360419

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest313730

2128Rubina's SolitaireLater is better than never1371010

2132Graph Decomposition. Version 2Later is better than never891500

2140BitMazeCraftUral School Programming Contest 20191141158

2147City BuildingUral School Programming Contest 2019661890

2155QuadrocopterUral School Programming Contest 20201041029

2159EssayUral School Programming Contest 2021371446

2169City Building 2Ural School Programming Contest 2022232057

2174Dualism of NumbersUral School Programming Contest 202336865

2180Need More TasksUral School Programming Contest 2023131728

2187Need More GoldUral School Programming Contest 2024131728

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022201327

2195Binary TreesICPC Ural Regional Contest Qualifier 2023101990

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024181418