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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992733580

1008Image EncodingUSTU PhysTech Cup 20004326366

1016Cube on the WalkUSU Local Contest. 19991910825

1022Genealogical TreeAutumn School Contest 200011123142

1033LabyrinthUral Championship 19996646237

1035Cross-stitchUral Championship 199911421366

1040Airline CompanyUSU Championship 200015461004

1045Funny GameUSU Local Contest. March 20002943523

1056Centers of the NetNEERC 2000 Central Subregional2784551

1065FrontierNEERC 200010181419

1069Prufer CodeUSU Personal Contest 20012754513

1072RoutingUSU Personal Contest 20012805503

1076Trash1968712

1077Travelling Tours1280396

1080Map ColoringWinter Mathematical Festival Varna 20017519186

1085MeetingSpring School Contest 20012200629

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

1099Work Scheduling10391139

1106Two TeamsTetrahedron Team Online Contest May 2001688374

1109ConferenceBulgarian Online Contest September 20012036249

1119MetroAutumn School Contest 2001728670

1124MosaicUSU Championship 20011712296

1128Partition into GroupsUSU Championship 20011229412

1129Door PaintingUSU Championship 20011340378

1136ParliamentNEERC 2001 Central Subregional5097100

1137Bus RoutesNEERC 2001 Central Subregional1604316

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011475344

1156Two RoundsUral Championship 2001. Round 21590320

1160NetworkNEERC 2001 Northern Subregional3676140

1162Currency ExchangeNEERC 2001 Northern Subregional2759185

1176HyperchannelsUSU Personal Contest 20021518335

1182Team Them Up!NEERC 20011001507

1198Jobbery1077489

1199Mouse1253619

1205By the Underground or by Foot?USU Local Contest. March 20022181234

1208Legendary Teams ContestUSU Local Contest. March 20022430210

1210Kind SpiritsAutumn School Contest 20023047169

1218Episode N-th: The Jedi TournamentUSU Championship 20021588323

1227Rally ChampionshipNEERC 2002 Central Subregional1706301

1237Evacuation PlanNEERC 2002515987

1242WerewolfUSU Personal Contest 20032957175

1250Sea BurialUSU Local Contest. March 2003708723

1254Die HardUSU Local Contest. March 2003793647

1270UnicubeUSU Championship 20032232244

1271Sailing DirectionsUSU Championship 20031124285

1272Non-Yekaterinburg SubwayUSU Championship 20033611144

1277Cops and ThievesNEERC 2003 Central Subregional597862

1280Topological SortingNEERC 2003 Central Subregional3711141

1281River BasinNEERC 2003 Central Subregional2831785

1291Gear-wheelsSpring School Contest 20041362383

1301Cube in LabyrinthUral Championship 1998718721

1314Chase in SubwayUral Championship 2004. Round 1924563

1315MDPAR and MIIARUral Championship 2004. Round 12871769

1320Graph DecompositionUral Championship 2004. Round 21831285

1323ClassmatesUral Championship 2004. Round 2624829

1325DirtUral Championship 2004. Round 2974534

1329Galactic HistoryAutumn School Contest 20041155453

1337BureaucracyAutumn School Contest 20043361526

1338AutomobilesUSU Championship 20042961731

1339BabiesUSU Championship 2004611853

1358CablesSpring School Contest 2005971540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22741868

1367Top SecretUral Championship 2005. Round 21802792

1379Cups TransportationUral Championship 2005. Round 1902583

1392Dreaming of Stars685765

1399Economical Director488423

1400Cellular CharactersAutumn School Contest 2005956551

1416ConfidentialUSU Championship 20051366385

1419Maps of the Island WorldsUSU Championship 20054291208

1421Credit OperationsTimus Top Coders: First Challenge953540

1434Buses in VasyukiUSU Personal Contest 2006584873

1441From the History of Gringotts BankUral Championship 20064451133

1447Portkey NetworkUral Championship 2006520973

1449Credit Operations 2Timus Top Coders: Second Challenge3401465

1450Russian PipelinesTimus Top Coders: Second Challenge3431149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1153984

1487Chinese FootballUSU Championship 20063901242

1500Pass LicensesNEERC 2006 Eastern Subregional762641

1505Oil TransferNEERC 2006 Eastern Subregional1662811

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4181131

1533Fat HobbitsUSU Personal Contest 2007483980

1544Classmates 3Ural Championship 20073721253

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2621708

1569Networking the “Iset”USU Championship 2007513886

1575Yekaterinburg Subway 2Autumn School Contest 2007525865

1580Dean's DebtsAutumn School Contest 2007515881

1610CactusesUral Championship 20082142000

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1343027

1630TalismanUSU Championship 20084191005

1641DutiesAutumn School Contest 2008832511

1643Attack of the Dark FortressAutumn School Contest 20081000426

1651Shortest SubchainNEERC 2008 Eastern Subregional1230346

1652Banking CrisisNEERC 2008 Eastern Subregional1532635

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2161883

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2381708

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1392809

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3791076

1709Penguin-AviaUral Championship 20092703154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional681581

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1252312

1770The Party of Ural ChampionsUral Championship 20102141728

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2082178

1833Hopes of RowingUral Championship 20111662034

1837Isenbaev's NumberUral Championship 2011596260

1847ZamkadyePetrozavodsk Summer 2010. USU Contest813819

1882Old NokiaUral Regional School Programming Contest 20111232594

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional736462

1905Travel in TimeUral Championship 20122721133

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2421266

1930Ivan's CarUral Regional School Programming Contest 20121953162

1934Black SpotUral FU Championship 2012874359

1966Cycling RoadsUral FU Personal Contest 2013433682

1980Road to InvestorUral Championship 2013460637

1982Electrification PlanUral FU Championship 20132291128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional278938

2017Best of a bad lotNEERC 2014 Eastern Subregional1931331

2030Awesome Backup SystemUral Regional School Programming Contest 2014512516

2034CaravansUral Regional School Programming Contest 2014941283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1042351

2055Urban GeographyUral Championship 20151651469

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141581367

2113Survive the floodUniversity-Academy Olympiad 2019384430

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest423222

2128Rubina's SolitaireLater is better than never154995

2132Graph Decomposition. Version 2Later is better than never1091371

2140BitMazeCraftUral School Programming Contest 20191311123

2147City BuildingUral School Programming Contest 2019801760

2155QuadrocopterUral School Programming Contest 2020129954

2159EssayUral School Programming Contest 2021541313

2169City Building 2Ural School Programming Contest 2022381749

2174Dualism of NumbersUral School Programming Contest 202353894

2180Need More TasksUral School Programming Contest 2023341280

2187Need More GoldUral School Programming Contest 2024311374

2192My GrandfatherICPC Ural Regional Contest Qualifier 202252909

2195Binary TreesICPC Ural Regional Contest Qualifier 2023261566

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024351251

2200He is not a knight for you 2University-Academy Olympiad 2020251038

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202533843

2226County of SquirrelsUral Championship 202539740