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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992734580

1008Image EncodingUSTU PhysTech Cup 20004327367

1016Cube on the WalkUSU Local Contest. 19991910825

1022Genealogical TreeAutumn School Contest 200011127142

1033LabyrinthUral Championship 19996648237

1035Cross-stitchUral Championship 199911431366

1040Airline CompanyUSU Championship 200015471004

1045Funny GameUSU Local Contest. March 20002944523

1056Centers of the NetNEERC 2000 Central Subregional2785552

1065FrontierNEERC 200010181420

1069Prufer CodeUSU Personal Contest 20012755513

1072RoutingUSU Personal Contest 20012805504

1076Trash1969713

1077Travelling Tours1280396

1080Map ColoringWinter Mathematical Festival Varna 20017528186

1085MeetingSpring School Contest 20012200629

1096Get the Right Route Plate!USU Local Contest. March 20011851710

1099Work Scheduling10411137

1106Two TeamsTetrahedron Team Online Contest May 2001689074

1109ConferenceBulgarian Online Contest September 20012037249

1119MetroAutumn School Contest 2001729370

1124MosaicUSU Championship 20011713297

1128Partition into GroupsUSU Championship 20011231412

1129Door PaintingUSU Championship 20011341378

1136ParliamentNEERC 2001 Central Subregional5100100

1137Bus RoutesNEERC 2001 Central Subregional1605316

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011476344

1156Two RoundsUral Championship 2001. Round 21591320

1160NetworkNEERC 2001 Northern Subregional3683140

1162Currency ExchangeNEERC 2001 Northern Subregional2763185

1176HyperchannelsUSU Personal Contest 20021519335

1182Team Them Up!NEERC 20011002507

1198Jobbery1078489

1199Mouse1263596

1205By the Underground or by Foot?USU Local Contest. March 20022182234

1208Legendary Teams ContestUSU Local Contest. March 20022431210

1210Kind SpiritsAutumn School Contest 20023048169

1218Episode N-th: The Jedi TournamentUSU Championship 20021589323

1227Rally ChampionshipNEERC 2002 Central Subregional1707301

1237Evacuation PlanNEERC 2002515988

1242WerewolfUSU Personal Contest 20032959175

1250Sea BurialUSU Local Contest. March 2003708724

1254Die HardUSU Local Contest. March 2003794646

1270UnicubeUSU Championship 20032232245

1271Sailing DirectionsUSU Championship 20031124288

1272Non-Yekaterinburg SubwayUSU Championship 20033613144

1277Cops and ThievesNEERC 2003 Central Subregional597862

1280Topological SortingNEERC 2003 Central Subregional3714141

1281River BasinNEERC 2003 Central Subregional2841780

1291Gear-wheelsSpring School Contest 20041362383

1301Cube in LabyrinthUral Championship 1998718722

1314Chase in SubwayUral Championship 2004. Round 1925562

1315MDPAR and MIIARUral Championship 2004. Round 12881764

1320Graph DecompositionUral Championship 2004. Round 21831286

1323ClassmatesUral Championship 2004. Round 2624829

1325DirtUral Championship 2004. Round 2976533

1329Galactic HistoryAutumn School Contest 20041157453

1337BureaucracyAutumn School Contest 20043361527

1338AutomobilesUSU Championship 20042971727

1339BabiesUSU Championship 2004611854

1358CablesSpring School Contest 2005973540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22751863

1367Top SecretUral Championship 2005. Round 21802794

1379Cups TransportationUral Championship 2005. Round 1906581

1392Dreaming of Stars686765

1399Economical Director488430

1400Cellular CharactersAutumn School Contest 2005957550

1416ConfidentialUSU Championship 20051368385

1419Maps of the Island WorldsUSU Championship 20054291209

1421Credit OperationsTimus Top Coders: First Challenge955539

1434Buses in VasyukiUSU Personal Contest 2006584873

1441From the History of Gringotts BankUral Championship 20064451134

1447Portkey NetworkUral Championship 2006521972

1449Credit Operations 2Timus Top Coders: Second Challenge3401467

1450Russian PipelinesTimus Top Coders: Second Challenge3439149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163955

1487Chinese FootballUSU Championship 20063901243

1500Pass LicensesNEERC 2006 Eastern Subregional762641

1505Oil TransferNEERC 2006 Eastern Subregional1662813

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4181132

1533Fat HobbitsUSU Personal Contest 2007483980

1544Classmates 3Ural Championship 20073721254

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2621709

1569Networking the “Iset”USU Championship 2007514885

1575Yekaterinburg Subway 2Autumn School Contest 2007525866

1580Dean's DebtsAutumn School Contest 2007516880

1610CactusesUral Championship 20082151993

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1343030

1630TalismanUSU Championship 20084201004

1641DutiesAutumn School Contest 2008833511

1643Attack of the Dark FortressAutumn School Contest 20081002425

1651Shortest SubchainNEERC 2008 Eastern Subregional1233346

1652Banking CrisisNEERC 2008 Eastern Subregional1542622

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2171876

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2381710

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1392812

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3801074

1709Penguin-AviaUral Championship 20092705154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional682581

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1253312

1770The Party of Ural ChampionsUral Championship 20102141730

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2085178

1833Hopes of RowingUral Championship 20111682014

1837Isenbaev's NumberUral Championship 2011596960

1847ZamkadyePetrozavodsk Summer 2010. USU Contest813824

1882Old NokiaUral Regional School Programming Contest 20111232598

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional736463

1905Travel in TimeUral Championship 20122721135

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2421268

1930Ivan's CarUral Regional School Programming Contest 20121955162

1934Black SpotUral FU Championship 2012876359

1966Cycling RoadsUral FU Personal Contest 2013433683

1980Road to InvestorUral Championship 2013460638

1982Electrification PlanUral FU Championship 20132293128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional278940

2017Best of a bad lotNEERC 2014 Eastern Subregional1941328

2030Awesome Backup SystemUral Regional School Programming Contest 2014513516

2034CaravansUral Regional School Programming Contest 2014941284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1042356

2055Urban GeographyUral Championship 20151661464

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141581371

2113Survive the floodUniversity-Academy Olympiad 2019386430

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest443115

2128Rubina's SolitaireLater is better than never155993

2132Graph Decomposition. Version 2Later is better than never1091377

2140BitMazeCraftUral School Programming Contest 20191311128

2147City BuildingUral School Programming Contest 2019811748

2155QuadrocopterUral School Programming Contest 2020129959

2159EssayUral School Programming Contest 2021541324

2169City Building 2Ural School Programming Contest 2022381764

2174Dualism of NumbersUral School Programming Contest 202353906

2180Need More TasksUral School Programming Contest 2023341297

2187Need More GoldUral School Programming Contest 2024311391

2192My GrandfatherICPC Ural Regional Contest Qualifier 202252921

2195Binary TreesICPC Ural Regional Contest Qualifier 2023281502

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024351267

2200He is not a knight for you 2University-Academy Olympiad 2020261029

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202535822

2226County of SquirrelsUral Championship 202540740