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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992739580

1008Image EncodingUSTU PhysTech Cup 20004329367

1016Cube on the WalkUSU Local Contest. 19991913825

1022Genealogical TreeAutumn School Contest 200011141142

1033LabyrinthUral Championship 19996660237

1035Cross-stitchUral Championship 199911431368

1040Airline CompanyUSU Championship 200015481005

1045Funny GameUSU Local Contest. March 20002947524

1056Centers of the NetNEERC 2000 Central Subregional2787552

1065FrontierNEERC 200010191420

1069Prufer CodeUSU Personal Contest 20012756514

1072RoutingUSU Personal Contest 20012807504

1076Trash1970713

1077Travelling Tours1281396

1080Map ColoringWinter Mathematical Festival Varna 20017538186

1085MeetingSpring School Contest 20012203629

1096Get the Right Route Plate!USU Local Contest. March 20011853710

1099Work Scheduling10431137

1106Two TeamsTetrahedron Team Online Contest May 2001689674

1109ConferenceBulgarian Online Contest September 20012043249

1119MetroAutumn School Contest 2001730070

1124MosaicUSU Championship 20011714297

1128Partition into GroupsUSU Championship 20011232412

1129Door PaintingUSU Championship 20011343378

1136ParliamentNEERC 2001 Central Subregional5105100

1137Bus RoutesNEERC 2001 Central Subregional1609316

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011481343

1156Two RoundsUral Championship 2001. Round 21594319

1160NetworkNEERC 2001 Northern Subregional3687140

1162Currency ExchangeNEERC 2001 Northern Subregional2765185

1176HyperchannelsUSU Personal Contest 20021522335

1182Team Them Up!NEERC 20011003507

1198Jobbery1081488

1199Mouse1273575

1205By the Underground or by Foot?USU Local Contest. March 20022187234

1208Legendary Teams ContestUSU Local Contest. March 20022433210

1210Kind SpiritsAutumn School Contest 20023053169

1218Episode N-th: The Jedi TournamentUSU Championship 20021593323

1227Rally ChampionshipNEERC 2002 Central Subregional1708302

1237Evacuation PlanNEERC 2002517985

1242WerewolfUSU Personal Contest 20032969175

1250Sea BurialUSU Local Contest. March 2003709724

1254Die HardUSU Local Contest. March 2003795646

1270UnicubeUSU Championship 20032242239

1271Sailing DirectionsUSU Championship 20031134260

1272Non-Yekaterinburg SubwayUSU Championship 20033621144

1277Cops and ThievesNEERC 2003 Central Subregional599861

1280Topological SortingNEERC 2003 Central Subregional3722140

1281River BasinNEERC 2003 Central Subregional2861771

1291Gear-wheelsSpring School Contest 20041363383

1301Cube in LabyrinthUral Championship 1998721720

1314Chase in SubwayUral Championship 2004. Round 1928561

1315MDPAR and MIIARUral Championship 2004. Round 12891761

1320Graph DecompositionUral Championship 2004. Round 21854283

1323ClassmatesUral Championship 2004. Round 2625829

1325DirtUral Championship 2004. Round 2977534

1329Galactic HistoryAutumn School Contest 20041158453

1337BureaucracyAutumn School Contest 20043371525

1338AutomobilesUSU Championship 20042991718

1339BabiesUSU Championship 2004613852

1358CablesSpring School Contest 2005974540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22761859

1367Top SecretUral Championship 2005. Round 21812783

1379Cups TransportationUral Championship 2005. Round 1907581

1392Dreaming of Stars688764

1399Economical Director498301

1400Cellular CharactersAutumn School Contest 2005960549

1416ConfidentialUSU Championship 20051369385

1419Maps of the Island WorldsUSU Championship 20054301208

1421Credit OperationsTimus Top Coders: First Challenge957539

1434Buses in VasyukiUSU Personal Contest 2006586872

1441From the History of Gringotts BankUral Championship 20064461133

1447Portkey NetworkUral Championship 2006522971

1449Credit Operations 2Timus Top Coders: Second Challenge3411465

1450Russian PipelinesTimus Top Coders: Second Challenge3446149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1173930

1487Chinese FootballUSU Championship 20063911242

1500Pass LicensesNEERC 2006 Eastern Subregional763642

1505Oil TransferNEERC 2006 Eastern Subregional1672802

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4191131

1533Fat HobbitsUSU Personal Contest 2007485978

1544Classmates 3Ural Championship 20073731252

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2641700

1569Networking the “Iset”USU Championship 2007515885

1575Yekaterinburg Subway 2Autumn School Contest 2007529861

1580Dean's DebtsAutumn School Contest 2007518879

1610CactusesUral Championship 20082161988

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1353016

1630TalismanUSU Championship 20084211004

1641DutiesAutumn School Contest 2008834511

1643Attack of the Dark FortressAutumn School Contest 20081004426

1651Shortest SubchainNEERC 2008 Eastern Subregional1235346

1652Banking CrisisNEERC 2008 Eastern Subregional1552611

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2191864

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2391707

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1402799

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3811074

1709Penguin-AviaUral Championship 20092714154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional683581

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1255312

1770The Party of Ural ChampionsUral Championship 20102171712

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2089178

1833Hopes of RowingUral Championship 20111692008

1837Isenbaev's NumberUral Championship 2011597460

1847ZamkadyePetrozavodsk Summer 2010. USU Contest823794

1882Old NokiaUral Regional School Programming Contest 20111242586

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional737463

1905Travel in TimeUral Championship 20122731135

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2431267

1930Ivan's CarUral Regional School Programming Contest 20121964162

1934Black SpotUral FU Championship 2012878359

1966Cycling RoadsUral FU Personal Contest 2013435683

1980Road to InvestorUral Championship 2013461639

1982Electrification PlanUral FU Championship 20132298128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional280938

2017Best of a bad lotNEERC 2014 Eastern Subregional1941333

2030Awesome Backup SystemUral Regional School Programming Contest 2014514517

2034CaravansUral Regional School Programming Contest 2014949283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1082286

2055Urban GeographyUral Championship 20151661470

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141591370

2113Survive the floodUniversity-Academy Olympiad 2019387432

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest453082

2128Rubina's SolitaireLater is better than never156995

2132Graph Decomposition. Version 2Later is better than never1101376

2140BitMazeCraftUral School Programming Contest 20191321129

2147City BuildingUral School Programming Contest 2019811762

2155QuadrocopterUral School Programming Contest 2020131955

2159EssayUral School Programming Contest 2021561306

2169City Building 2Ural School Programming Contest 2022391757

2174Dualism of NumbersUral School Programming Contest 202356887

2180Need More TasksUral School Programming Contest 2023351301

2187Need More GoldUral School Programming Contest 2024331361

2192My GrandfatherICPC Ural Regional Contest Qualifier 202253930

2195Binary TreesICPC Ural Regional Contest Qualifier 2023281542

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024371245

2200He is not a knight for you 2University-Academy Olympiad 202029989

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202536838

2226County of SquirrelsUral Championship 202542741