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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1022Genealogical TreeAutumn School Contest 200010061137

1119MetroAutumn School Contest 2001607374

1033LabyrinthUral Championship 19995989230

1106Two TeamsTetrahedron Team Online Contest May 2001583076

1080Map ColoringWinter Mathematical Festival Varna 20015067242

1837Isenbaev's NumberUral Championship 2011481957

1136ParliamentNEERC 2001 Central Subregional452299

1008Image EncodingUSTU PhysTech Cup 20004028344

1280Topological SortingNEERC 2003 Central Subregional3160146

1210Kind SpiritsAutumn School Contest 20023079147

1272Non-Yekaterinburg SubwayUSU Championship 20033015153

1045Funny GameUSU Local Contest. March 20002638510

1072RoutingUSU Personal Contest 20012569481

1056Computer NetNEERC 2000 Central Subregional2523531

1004Sightseeing TripCentral European Olympiad in Informatics 19992458563

1069Prufer CodeUSU Personal Contest 20012374520

1242WerewolfUSU Personal Contest 20032220205

1709Penguin-AviaUral Championship 20092207154

1208Legendary Teams ContestUSU Local Contest. March 20022130210

1085MeetingSpring School Contest 20012039593

1205By the Underground or by Foot?USU Local Contest. March 20021928232

1076Trash1824672

1109ConferenceBulgarian Online Contest September 20011812245

1016Cube on the WalkUSU Local Contest. 19991777774

1450Russian PipelinesTimus Top Coders: Second Challenge1737258

1096Get the Right Route Plate!USU Local Contest. March 20011669688

1160NetworkNEERC 2001 Northern Subregional1645275

1982Electrification PlanUral FU Championship 20131637123

1320Graph DecompositionUral Championship 2004. Round 21535301

1137Bus RoutesNEERC 2001 Central Subregional1514294

1227Rally ChampionshipNEERC 2002 Central Subregional1463309

1124MosaicUSU Championship 20011460304

1218Episode N-th: The Jedi TournamentUSU Championship 20021385326

1040Airline CompanyUSU Championship 20001378983

1156Two RoundsUral Championship 2001. Round 21341332

1930Ivan's CarUral Regional School Programming Contest 20121300176

1176HyperchannelsUSU Personal Contest 20021242359

1291Gear-wheelsSpring School Contest 20041151400

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011149387

1416ConfidentialUSU Championship 20051124414

1077Travelling Tours1101403

1162Currency ExchangeNEERC 2001 Northern Subregional1089408

1128Partition into GroupsUSU Championship 20011065416

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1049298

1035Cross-stitchUral Championship 199910361314

1651Shortest SubchainNEERC 2008 Eastern Subregional1015348

1329Galactic HistoryAutumn School Contest 2004992467

1129Door PaintingUSU Championship 2001985450

1065FrontierNEERC 20009061392

1099Work Scheduling8911160

1198Jobbery890524

1182Team Them Up!NEERC 2001876508

1400Cellular CharactersAutumn School Contest 2005851548

1421Credit OperationsTimus Top Coders: First Challenge829546

1358CablesSpring School Contest 2005826562

1325DirtUral Championship 2004. Round 2822558

1643Attack of the Dark FortressAutumn School Contest 2008771457

1641DutiesAutumn School Contest 2008749470

1314Chase in SubwayUral Championship 2004. Round 1729628

1934Black SpotUral FU Championship 2012723314

1254Die HardUSU Local Contest. March 2003694650

2034CaravansUral Regional School Programming Contest 2014676256

1500Pass LicensesNEERC 2006 Eastern Subregional669633

1379Cups TransportationUral Championship 2005. Round 1662702

1250Sea BurialUSU Local Contest. March 2003631714

1301Cube in LabyrinthUral Championship 1998617740

1392Dreaming of Stars613757

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional611419

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional582548

1277Cops and ThievesNEERC 2003 Central Subregional578785

1323ClassmatesUral Championship 2004. Round 2558818

1806Mobile TelegraphsNEERC 2010 Eastern Subregional539530

1339BabiesUSU Championship 2004499922

1237Evacuation PlanNEERC 2002468954

1580Dean's DebtsAutumn School Contest 2007437881

1434Buses in VasyukiUSU Personal Contest 20064281042

1447Portkey NetworkUral Championship 20064271037

1575Yekaterinburg Subway 2Autumn School Contest 2007418920

2030Awesome Backup SystemUral Regional School Programming Contest 2014404424

1569Networking the “Iset”USU Championship 20073751024

1533Fat HobbitsUSU Personal Contest 20073741085

1441From the History of Gringotts BankUral Championship 20063721187

1630TalismanUSU Championship 2008366953

1980Road to InvestorUral Championship 2013351579

1419Maps of the Island WorldsUSU Championship 20053501306

1544Classmates 3Ural Championship 20073331200

1487Chinese FootballUSU Championship 20063281278

1966Cycling RoadsUral FU Personal Contest 2013327630

1281River BasinNEERC 2003 Central Subregional3191403

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3161054

1449Credit Operations 2Timus Top Coders: Second Challenge3011448

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2991352

1337BureaucracyAutumn School Contest 20042851585

1338AutomobilesUSU Championship 20042531784

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional250890

1315MDPAR and MIIARUral Championship 2004. Round 12241985

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional222761

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201721

1905Travel in TimeUral Championship 20122171022

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002239

1610CactusesUral Championship 20081921866

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1921731

1770The Party of Ural ChampionsUral Championship 20101821606

2113Survive the floodUniversity academic school olympiad in informatics 2019181329

1270UnicubeUSU Championship 20031802429

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1701953

2017Best of a bad lotNEERC 2014 Eastern Subregional1511096

1367Top SecretUral Championship 2005. Round 21423093

1505Oil TransferNEERC 2006 Eastern Subregional1333005

1652Banking CrisisNEERC 2008 Eastern Subregional1312526

2055Urban GeographyUral Championship 20151141303

1833Hopes of RowingUral Championship 20111052395

1199Mouse1033742

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013097

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003304

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014951245

1882Old NokiaUral Regional School Programming Contest 2011912583

1271Sailing DirectionsUSU Championship 2003874758

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715351

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672258

2128Rubina's SolitaireLater is better than never59806

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524252

2140BitMazeCraftUral School Programming Contest 201947881

1399Economical Director2910840

2132Graph Decomposition. Version 2Later is better than never271502

2147City BuildingUral School Programming Contest 2019261394

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142523