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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992542567

1008Image EncodingUSTU PhysTech Cup 20004111351

1016Cube on the WalkUSU Local Contest. 19991825785

1022Genealogical TreeAutumn School Contest 200010460137

1033LabyrinthUral Championship 19996190231

1035Cross-stitchUral Championship 199910771317

1040Airline CompanyUSU Championship 20001444978

1045Funny GameUSU Local Contest. March 20002744510

1056Centers of the NetNEERC 2000 Central Subregional2609535

1065FrontierNEERC 20009711353

1069Prufer CodeUSU Personal Contest 20012491516

1072RoutingUSU Personal Contest 20012623490

1076Trash1868683

1077Travelling Tours1156399

1080Map ColoringWinter Mathematical Festival Varna 20015560229

1085MeetingSpring School Contest 20012080606

1096Get the Right Route Plate!USU Local Contest. March 20011740687

1099Work Scheduling9491135

1106Two TeamsTetrahedron Team Online Contest May 2001615075

1109ConferenceBulgarian Online Contest September 20011883246

1119MetroAutumn School Contest 2001642872

1124MosaicUSU Championship 20011542300

1128Partition into GroupsUSU Championship 20011122411

1129Door PaintingUSU Championship 20011049440

1136ParliamentNEERC 2001 Central Subregional4666100

1137Bus RoutesNEERC 2001 Central Subregional1353342

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011216380

1156Two RoundsUral Championship 2001. Round 21417327

1160NetworkNEERC 2001 Northern Subregional2077227

1162Currency ExchangeNEERC 2001 Northern Subregional1350343

1176HyperchannelsUSU Personal Contest 20021307355

1182Team Them Up!NEERC 2001902513

1198Jobbery947511

1199Mouse1133591

1205By the Underground or by Foot?USU Local Contest. March 20022041228

1208Legendary Teams ContestUSU Local Contest. March 20022216210

1210Kind SpiritsAutumn School Contest 20022919161

1218Episode N-th: The Jedi TournamentUSU Championship 20021458322

1227Rally ChampionshipNEERC 2002 Central Subregional1535306

1237Evacuation PlanNEERC 2002485957

1242WerewolfUSU Personal Contest 20032435194

1250Sea BurialUSU Local Contest. March 2003652718

1254Die HardUSU Local Contest. March 2003728644

1270UnicubeUSU Championship 20031922372

1271Sailing DirectionsUSU Championship 2003944606

1272Non-Yekaterinburg SubwayUSU Championship 20033174150

1277Cops and ThievesNEERC 2003 Central Subregional603782

1280Topological SortingNEERC 2003 Central Subregional3353143

1281River BasinNEERC 2003 Central Subregional3361385

1291Gear-wheelsSpring School Contest 20041209395

1301Cube in LabyrinthUral Championship 1998642739

1314Chase in SubwayUral Championship 2004. Round 1775614

1315MDPAR and MIIARUral Championship 2004. Round 12441897

1320Graph DecompositionUral Championship 2004. Round 21624295

1323ClassmatesUral Championship 2004. Round 2585810

1325DirtUral Championship 2004. Round 2864551

1329Galactic HistoryAutumn School Contest 20041025468

1337BureaucracyAutumn School Contest 20043091520

1338AutomobilesUSU Championship 20042671757

1339BabiesUSU Championship 2004537890

1358CablesSpring School Contest 2005879548

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22142176

1367Top SecretUral Championship 2005. Round 21493066

1379Cups TransportationUral Championship 2005. Round 1708681

1392Dreaming of Stars633760

1399Economical Director3210515

1400Cellular CharactersAutumn School Contest 2005881549

1416ConfidentialUSU Championship 20051184408

1419Maps of the Island WorldsUSU Championship 20053901218

1421Credit OperationsTimus Top Coders: First Challenge868542

1434Buses in VasyukiUSU Personal Contest 20064591011

1441From the History of Gringotts BankUral Championship 20064041138

1447Portkey NetworkUral Championship 20064491026

1449Credit Operations 2Timus Top Coders: Second Challenge3111459

1450Russian PipelinesTimus Top Coders: Second Challenge2068225

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest884611

1487Chinese FootballUSU Championship 20063501252

1500Pass LicensesNEERC 2006 Eastern Subregional701631

1505Oil TransferNEERC 2006 Eastern Subregional1502802

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3601181

1533Fat HobbitsUSU Personal Contest 20074041052

1544Classmates 3Ural Championship 20073491200

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2281746

1569Networking the “Iset”USU Championship 2007408991

1575Yekaterinburg Subway 2Autumn School Contest 2007442915

1580Dean's DebtsAutumn School Contest 2007457885

1610CactusesUral Championship 20081981910

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1043370

1630TalismanUSU Championship 2008379975

1641DutiesAutumn School Contest 2008769485

1643Attack of the Dark FortressAutumn School Contest 2008874427

1651Shortest SubchainNEERC 2008 Eastern Subregional1082345

1652Banking CrisisNEERC 2008 Eastern Subregional1372566

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1891873

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2091693

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1063148

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3431035

1709Penguin-AviaUral Championship 20092358153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional621549

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1121298

1770The Party of Ural ChampionsUral Championship 20101921638

1806Mobile TelegraphsNEERC 2010 Eastern Subregional771402

1833Hopes of RowingUral Championship 20111292151

1837Isenbaev's NumberUral Championship 2011517658

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544495

1882Old NokiaUral Regional School Programming Contest 20111012567

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional648432

1905Travel in TimeUral Championship 20122411024

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional260950

1930Ivan's CarUral Regional School Programming Contest 20121504169

1934Black SpotUral FU Championship 2012779323

1966Cycling RoadsUral FU Personal Contest 2013360643

1980Road to InvestorUral Championship 2013386593

1982Electrification PlanUral FU Championship 20131797127

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional236827

2017Best of a bad lotNEERC 2014 Eastern Subregional1591203

2030Awesome Backup SystemUral Regional School Programming Contest 2014432458

2034CaravansUral Regional School Programming Contest 2014705283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest782282

2055Urban GeographyUral Championship 20151271379

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141181243

2113Survive the floodUniversity academic school olympiad in informatics 2019255353

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest163509

2128Rubina's SolitaireLater is better than never93839

2132Graph Decomposition. Version 2Later is better than never441600

2140BitMazeCraftUral School Programming Contest 201981892

2147City BuildingUral School Programming Contest 2019441504

2155QuadrocopterUral School Programming Contest 202051869