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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992700581

1008Image EncodingUSTU PhysTech Cup 20004275367

1016Cube on the WalkUSU Local Contest. 19991891824

1022Genealogical TreeAutumn School Contest 200011033142

1033LabyrinthUral Championship 19996584237

1035Cross-stitchUral Championship 199911261370

1040Airline CompanyUSU Championship 200015301003

1045Funny GameUSU Local Contest. March 20002912523

1056Centers of the NetNEERC 2000 Central Subregional2749552

1065FrontierNEERC 200010111412

1069Prufer CodeUSU Personal Contest 20012695518

1072RoutingUSU Personal Contest 20012777503

1076Trash1945713

1077Travelling Tours1268395

1080Map ColoringWinter Mathematical Festival Varna 20017278190

1085MeetingSpring School Contest 20012182627

1096Get the Right Route Plate!USU Local Contest. March 20011825712

1099Work Scheduling10141153

1106Two TeamsTetrahedron Team Online Contest May 2001678474

1109ConferenceBulgarian Online Contest September 20012002251

1119MetroAutumn School Contest 2001721070

1124MosaicUSU Championship 20011676299

1128Partition into GroupsUSU Championship 20011215412

1129Door PaintingUSU Championship 20011234406

1136ParliamentNEERC 2001 Central Subregional5036100

1137Bus RoutesNEERC 2001 Central Subregional1558322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011420353

1156Two RoundsUral Championship 2001. Round 21532328

1160NetworkNEERC 2001 Northern Subregional3485146

1162Currency ExchangeNEERC 2001 Northern Subregional2554197

1176HyperchannelsUSU Personal Contest 20021506334

1182Team Them Up!NEERC 2001973516

1198Jobbery1068488

1199Mouse1133925

1205By the Underground or by Foot?USU Local Contest. March 20022141236

1208Legendary Teams ContestUSU Local Contest. March 20022361214

1210Kind SpiritsAutumn School Contest 20022997170

1218Episode N-th: The Jedi TournamentUSU Championship 20021568324

1227Rally ChampionshipNEERC 2002 Central Subregional1684302

1237Evacuation PlanNEERC 2002508990

1242WerewolfUSU Personal Contest 20032893177

1250Sea BurialUSU Local Contest. March 2003692732

1254Die HardUSU Local Contest. March 2003787645

1270UnicubeUSU Championship 20032052406

1271Sailing DirectionsUSU Championship 20031014661

1272Non-Yekaterinburg SubwayUSU Championship 20033491148

1277Cops and ThievesNEERC 2003 Central Subregional585870

1280Topological SortingNEERC 2003 Central Subregional3644142

1281River BasinNEERC 2003 Central Subregional2731829

1291Gear-wheelsSpring School Contest 20041340385

1301Cube in LabyrinthUral Championship 1998688745

1314Chase in SubwayUral Championship 2004. Round 1871590

1315MDPAR and MIIARUral Championship 2004. Round 12711851

1320Graph DecompositionUral Championship 2004. Round 21795288

1323ClassmatesUral Championship 2004. Round 2617829

1325DirtUral Championship 2004. Round 2954539

1329Galactic HistoryAutumn School Contest 20041126460

1337BureaucracyAutumn School Contest 20043281546

1338AutomobilesUSU Championship 20042881760

1339BabiesUSU Championship 2004600860

1358CablesSpring School Contest 2005957543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22571967

1367Top SecretUral Championship 2005. Round 21653001

1379Cups TransportationUral Championship 2005. Round 1853610

1392Dreaming of Stars674770

1399Economical Director3810055

1400Cellular CharactersAutumn School Contest 2005950548

1416ConfidentialUSU Championship 20051319395

1419Maps of the Island WorldsUSU Championship 20054181227

1421Credit OperationsTimus Top Coders: First Challenge938543

1434Buses in VasyukiUSU Personal Contest 2006563895

1441From the History of Gringotts BankUral Championship 20064361144

1447Portkey NetworkUral Championship 2006505990

1449Credit Operations 2Timus Top Coders: Second Challenge3321483

1450Russian PipelinesTimus Top Coders: Second Challenge3307153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994515

1487Chinese FootballUSU Championship 20063761272

1500Pass LicensesNEERC 2006 Eastern Subregional753641

1505Oil TransferNEERC 2006 Eastern Subregional1592893

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3971175

1533Fat HobbitsUSU Personal Contest 2007469996

1544Classmates 3Ural Championship 20073661257

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2461791

1569Networking the “Iset”USU Championship 2007490914

1575Yekaterinburg Subway 2Autumn School Contest 2007520861

1580Dean's DebtsAutumn School Contest 2007497900

1610CactusesUral Championship 20082082026

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1283112

1630TalismanUSU Championship 20084061021

1641DutiesAutumn School Contest 2008827506

1643Attack of the Dark FortressAutumn School Contest 2008983427

1651Shortest SubchainNEERC 2008 Eastern Subregional1215345

1652Banking CrisisNEERC 2008 Eastern Subregional1462711

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2031966

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2301738

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1223120

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3691087

1709Penguin-AviaUral Championship 20092646154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional670580

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1234310

1770The Party of Ural ChampionsUral Championship 20102091735

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1899191

1833Hopes of RowingUral Championship 20111622038

1837Isenbaev's NumberUral Championship 2011587760

1847ZamkadyePetrozavodsk Summer 2010. USU Contest684359

1882Old NokiaUral Regional School Programming Contest 20111142722

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional723460

1905Travel in TimeUral Championship 20122641138

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2331281

1930Ivan's CarUral Regional School Programming Contest 20121863166

1934Black SpotUral FU Championship 2012860356

1966Cycling RoadsUral FU Personal Contest 2013417689

1980Road to InvestorUral Championship 2013442644

1982Electrification PlanUral FU Championship 20132139133

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262963

2017Best of a bad lotNEERC 2014 Eastern Subregional1811371

2030Awesome Backup SystemUral Regional School Programming Contest 2014500512

2034CaravansUral Regional School Programming Contest 2014903286

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest962449

2055Urban GeographyUral Championship 20151541515

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141511372

2113Survive the floodUniversity academic school olympiad in informatics 2019366426

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest323762

2128Rubina's SolitaireLater is better than never1421010

2132Graph Decomposition. Version 2Later is better than never891551

2140BitMazeCraftUral School Programming Contest 20191141199

2147City BuildingUral School Programming Contest 2019671931

2155QuadrocopterUral School Programming Contest 20201051066

2159EssayUral School Programming Contest 2021371564

2169City Building 2Ural School Programming Contest 2022242160

2174Dualism of NumbersUral School Programming Contest 202340910

2180Need More TasksUral School Programming Contest 2023171685

2187Need More GoldUral School Programming Contest 2024141895

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022221423

2195Binary TreesICPC Ural Regional Contest Qualifier 2023112168

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024231377