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Problem set. Graph Theory Problems


1004Sightseeing TripCentral European Olympiad in Informatics 19992585580

1008Image EncodingUSTU PhysTech Cup 20004186358

1016Cube on the WalkUSU Local Contest. 19991859801

1022Genealogical TreeAutumn School Contest 200010728139

1033LabyrinthUral Championship 19996427232

1035Cross-stitchUral Championship 199911121326

1040Airline CompanyUSU Championship 20001486988

1045Funny GameUSU Local Contest. March 20002823515

1056Centers of the NetNEERC 2000 Central Subregional2665545

1065FrontierNEERC 20009891381

1069Prufer CodeUSU Personal Contest 20012588516

1072RoutingUSU Personal Contest 20012726490


1077Travelling Tours1209396

1080Map ColoringWinter Mathematical Festival Varna 20016647199

1085MeetingSpring School Contest 20012126615

1096Get the Right Route Plate!USU Local Contest. March 20011779698

1099Work Scheduling9731150

1106Two TeamsTetrahedron Team Online Contest May 2001646574

1109ConferenceBulgarian Online Contest September 20011947247

1119MetroAutumn School Contest 2001674971

1124MosaicUSU Championship 20011620297

1128Partition into GroupsUSU Championship 20011163412

1129Door PaintingUSU Championship 20011111431

1136ParliamentNEERC 2001 Central Subregional487099

1137Bus RoutesNEERC 2001 Central Subregional1456330

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011300369

1156Two RoundsUral Championship 2001. Round 21472327

1160NetworkNEERC 2001 Northern Subregional2961165

1162Currency ExchangeNEERC 2001 Northern Subregional2090231

1176HyperchannelsUSU Personal Contest 20021404343

1182Team Them Up!NEERC 2001928518



1205By the Underground or by Foot?USU Local Contest. March 20022052236

1208Legendary Teams ContestUSU Local Contest. March 20022290211

1210Kind SpiritsAutumn School Contest 20023010162

1218Episode N-th: The Jedi TournamentUSU Championship 20021521320

1227Rally ChampionshipNEERC 2002 Central Subregional1622300

1237Evacuation PlanNEERC 2002496971

1242WerewolfUSU Personal Contest 20032735179

1250Sea BurialUSU Local Contest. March 2003670724

1254Die HardUSU Local Contest. March 2003759640

1270UnicubeUSU Championship 20031972398

1271Sailing DirectionsUSU Championship 2003954727

1272Non-Yekaterinburg SubwayUSU Championship 20033329149

1277Cops and ThievesNEERC 2003 Central Subregional620788

1280Topological SortingNEERC 2003 Central Subregional3484142

1281River BasinNEERC 2003 Central Subregional3471391

1291Gear-wheelsSpring School Contest 20041273389

1301Cube in LabyrinthUral Championship 1998659746

1314Chase in SubwayUral Championship 2004. Round 1832593

1315MDPAR and MIIARUral Championship 2004. Round 12511912

1320Graph DecompositionUral Championship 2004. Round 21706291

1323ClassmatesUral Championship 2004. Round 2602816

1325DirtUral Championship 2004. Round 2910543

1329Galactic HistoryAutumn School Contest 20041077462

1337BureaucracyAutumn School Contest 20043161540

1338AutomobilesUSU Championship 20042731780

1339BabiesUSU Championship 2004571867

1358CablesSpring School Contest 2005916544

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22352059

1367Top SecretUral Championship 2005. Round 21543076

1379Cups TransportationUral Championship 2005. Round 1769649

1392Dreaming of Stars652764

1399Economical Director3210956

1400Cellular CharactersAutumn School Contest 2005915547

1416ConfidentialUSU Championship 20051243402

1419Maps of the Island WorldsUSU Championship 20054051215

1421Credit OperationsTimus Top Coders: First Challenge905539

1434Buses in VasyukiUSU Personal Contest 2006488987

1441From the History of Gringotts BankUral Championship 20064171144

1447Portkey NetworkUral Championship 20064771003

1449Credit Operations 2Timus Top Coders: Second Challenge3191477

1450Russian PipelinesTimus Top Coders: Second Challenge2868169

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest934564

1487Chinese FootballUSU Championship 20063621260

1500Pass LicensesNEERC 2006 Eastern Subregional720639

1505Oil TransferNEERC 2006 Eastern Subregional1512899

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3781174

1533Fat HobbitsUSU Personal Contest 20074311030

1544Classmates 3Ural Championship 20073561228

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2331790

1569Networking the “Iset”USU Championship 2007443957

1575Yekaterinburg Subway 2Autumn School Contest 2007479885

1580Dean's DebtsAutumn School Contest 2007486873

1610CactusesUral Championship 20082041950

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1173186

1630TalismanUSU Championship 2008391997

1641DutiesAutumn School Contest 2008796494

1643Attack of the Dark FortressAutumn School Contest 2008935422

1651Shortest SubchainNEERC 2008 Eastern Subregional1142345

1652Banking CrisisNEERC 2008 Eastern Subregional1372707

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1941929

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2181718

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1093246

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3541061

1709Penguin-AviaUral Championship 20092511152

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional640567

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1186301

1770The Party of Ural ChampionsUral Championship 20102021666

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1438233

1833Hopes of RowingUral Championship 20111502014

1837Isenbaev's NumberUral Championship 2011548359

1847ZamkadyePetrozavodsk Summer 2010. USU Contest594512

1882Old NokiaUral Regional School Programming Contest 20111072638

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional671453

1905Travel in TimeUral Championship 20122491088

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2241202

1930Ivan's CarUral Regional School Programming Contest 20121678166

1934Black SpotUral FU Championship 2012821337

1966Cycling RoadsUral FU Personal Contest 2013380675

1980Road to InvestorUral Championship 2013406626

1982Electrification PlanUral FU Championship 20131935131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional246898

2017Best of a bad lotNEERC 2014 Eastern Subregional1691284

2030Awesome Backup SystemUral Regional School Programming Contest 2014468479

2034CaravansUral Regional School Programming Contest 2014781289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest822471

2055Urban GeographyUral Championship 20151381458

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141281355

2113Survive the floodUniversity academic school olympiad in informatics 2019308388

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest233678

2128Rubina's SolitaireLater is better than never110973

2132Graph Decomposition. Version 2Later is better than never611644

2140BitMazeCraftUral School Programming Contest 2019961054

2147City BuildingUral School Programming Contest 2019561692

2155QuadrocopterUral School Programming Contest 202084898

2159EssayUral School Programming Contest 2021131444

2169City Building 2Ural School Programming Contest 202271948