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Problem set. Graph Theory Problems


1004Sightseeing TripCentral European Olympiad in Informatics 19992511563

1008Image EncodingUSTU PhysTech Cup 20004074347

1016Cube on the WalkUSU Local Contest. 19991806778

1022Genealogical TreeAutumn School Contest 200010228138

1033LabyrinthUral Championship 19996121230

1035Cross-stitchUral Championship 199910551318

1040Airline CompanyUSU Championship 20001425972

1045Funny GameUSU Local Contest. March 20002710507

1056Centers of the NetNEERC 2000 Central Subregional2582530

1065FrontierNEERC 20009421368

1069Prufer CodeUSU Personal Contest 20012445516

1072RoutingUSU Personal Contest 20012602485


1077Travelling Tours1136398

1080Map ColoringWinter Mathematical Festival Varna 20015238239

1085MeetingSpring School Contest 20012065598

1096Get the Right Route Plate!USU Local Contest. March 20011717683

1099Work Scheduling9251142

1106Two TeamsTetrahedron Team Online Contest May 2001600176

1109ConferenceBulgarian Online Contest September 20011851245

1119MetroAutumn School Contest 2001628773

1124MosaicUSU Championship 20011504302

1128Partition into GroupsUSU Championship 20011107409

1129Door PaintingUSU Championship 20011028440

1136ParliamentNEERC 2001 Central Subregional460799

1137Bus RoutesNEERC 2001 Central Subregional1323343

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011193380

1156Two RoundsUral Championship 2001. Round 21395326

1160NetworkNEERC 2001 Northern Subregional1740266

1162Currency ExchangeNEERC 2001 Northern Subregional1121405

1176HyperchannelsUSU Personal Contest 20021280356

1182Team Them Up!NEERC 2001893509



1205By the Underground or by Foot?USU Local Contest. March 20022006228

1208Legendary Teams ContestUSU Local Contest. March 20022177210

1210Kind SpiritsAutumn School Contest 20023153147

1218Episode N-th: The Jedi TournamentUSU Championship 20021435321

1227Rally ChampionshipNEERC 2002 Central Subregional1506306

1237Evacuation PlanNEERC 2002477955

1242WerewolfUSU Personal Contest 20032291203

1250Sea BurialUSU Local Contest. March 2003645712

1254Die HardUSU Local Contest. March 2003721638

1270UnicubeUSU Championship 20031842425

1271Sailing DirectionsUSU Championship 2003924613

1272Non-Yekaterinburg SubwayUSU Championship 20033108151

1277Cops and ThievesNEERC 2003 Central Subregional594779

1280Topological SortingNEERC 2003 Central Subregional3286143

1281River BasinNEERC 2003 Central Subregional3271397

1291Gear-wheelsSpring School Contest 20041188395

1301Cube in LabyrinthUral Championship 1998633736

1314Chase in SubwayUral Championship 2004. Round 1746626

1315MDPAR and MIIARUral Championship 2004. Round 12361924

1320Graph DecompositionUral Championship 2004. Round 21579298

1323ClassmatesUral Championship 2004. Round 2575809

1325DirtUral Championship 2004. Round 2841556

1329Galactic HistoryAutumn School Contest 20041013466

1337BureaucracyAutumn School Contest 20042961557

1338AutomobilesUSU Championship 20042611765

1339BabiesUSU Championship 2004528889

1358CablesSpring School Contest 2005861549

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22062218

1367Top SecretUral Championship 2005. Round 21443111

1379Cups TransportationUral Championship 2005. Round 1685691

1392Dreaming of Stars624758

1399Economical Director3010812

1400Cellular CharactersAutumn School Contest 2005872545

1416ConfidentialUSU Championship 20051160409

1419Maps of the Island WorldsUSU Championship 20053791231

1421Credit OperationsTimus Top Coders: First Challenge856539

1434Buses in VasyukiUSU Personal Contest 20064411032

1441From the History of Gringotts BankUral Championship 20063871165

1447Portkey NetworkUral Championship 20064361037

1449Credit Operations 2Timus Top Coders: Second Challenge3081445

1450Russian PipelinesTimus Top Coders: Second Challenge1845248

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest735336

1487Chinese FootballUSU Championship 20063411258

1500Pass LicensesNEERC 2006 Eastern Subregional689629

1505Oil TransferNEERC 2006 Eastern Subregional1363009

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3471198

1533Fat HobbitsUSU Personal Contest 20073941055

1544Classmates 3Ural Championship 20073421197

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2221749

1569Networking the “Iset”USU Championship 2007396996

1575Yekaterinburg Subway 2Autumn School Contest 2007434909

1580Dean's DebtsAutumn School Contest 2007449880

1610CactusesUral Championship 20081951890

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013370

1630TalismanUSU Championship 2008372966

1641DutiesAutumn School Contest 2008762476

1643Attack of the Dark FortressAutumn School Contest 2008791459

1651Shortest SubchainNEERC 2008 Eastern Subregional1063342

1652Banking CrisisNEERC 2008 Eastern Subregional1322584

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1811898

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2001717

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013196

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3371022

1709Penguin-AviaUral Championship 20092297153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional605546

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1087298

1770The Party of Ural ChampionsUral Championship 20101861632

1806Mobile TelegraphsNEERC 2010 Eastern Subregional582511

1833Hopes of RowingUral Championship 20111052500

1837Isenbaev's NumberUral Championship 2011500957

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524452

1882Old NokiaUral Regional School Programming Contest 2011932653

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional635423

1905Travel in TimeUral Championship 20122321012

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254926

1930Ivan's CarUral Regional School Programming Contest 20121412171

1934Black SpotUral FU Championship 2012756317

1966Cycling RoadsUral FU Personal Contest 2013345635

1980Road to InvestorUral Championship 2013370585

1982Electrification PlanUral FU Championship 20131738124

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional231789

2017Best of a bad lotNEERC 2014 Eastern Subregional1561146

2030Awesome Backup SystemUral Regional School Programming Contest 2014417443

2034CaravansUral Regional School Programming Contest 2014661282

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest732262

2055Urban GeographyUral Championship 20151211340

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141101211

2113Survive the floodUniversity academic school olympiad in informatics 2019228330

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest143180

2128Rubina's SolitaireLater is better than never83768

2132Graph Decomposition. Version 2Later is better than never321701

2140BitMazeCraftUral School Programming Contest 201971816

2147City BuildingUral School Programming Contest 2019371407

2155QuadrocopterUral School Programming Contest 2020241103