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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992521563

1008Image EncodingUSTU PhysTech Cup 20004078348

1016Cube on the WalkUSU Local Contest. 19991806781

1022Genealogical TreeAutumn School Contest 200010323137

1033LabyrinthUral Championship 19996134230

1035Cross-stitchUral Championship 199910551324

1040Airline CompanyUSU Championship 20001427974

1045Funny GameUSU Local Contest. March 20002719507

1056Centers of the NetNEERC 2000 Central Subregional2589531

1065FrontierNEERC 20009421373

1069Prufer CodeUSU Personal Contest 20012455516

1072RoutingUSU Personal Contest 20012610485

1076Trash1857677

1077Travelling Tours1140399

1080Map ColoringWinter Mathematical Festival Varna 20015493228

1085MeetingSpring School Contest 20012069600

1096Get the Right Route Plate!USU Local Contest. March 20011722684

1099Work Scheduling9281143

1106Two TeamsTetrahedron Team Online Contest May 2001602975

1109ConferenceBulgarian Online Contest September 20011854246

1119MetroAutumn School Contest 2001632772

1124MosaicUSU Championship 20011510302

1128Partition into GroupsUSU Championship 20011108410

1129Door PaintingUSU Championship 20011030441

1136ParliamentNEERC 2001 Central Subregional462199

1137Bus RoutesNEERC 2001 Central Subregional1334341

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011195381

1156Two RoundsUral Championship 2001. Round 21399326

1160NetworkNEERC 2001 Northern Subregional2011231

1162Currency ExchangeNEERC 2001 Northern Subregional1324345

1176HyperchannelsUSU Personal Contest 20021286356

1182Team Them Up!NEERC 2001894510

1198Jobbery934511

1199Mouse1083682

1205By the Underground or by Foot?USU Local Contest. March 20022010228

1208Legendary Teams ContestUSU Local Contest. March 20022182211

1210Kind SpiritsAutumn School Contest 20023160147

1218Episode N-th: The Jedi TournamentUSU Championship 20021441321

1227Rally ChampionshipNEERC 2002 Central Subregional1508307

1237Evacuation PlanNEERC 2002480953

1242WerewolfUSU Personal Contest 20032348199

1250Sea BurialUSU Local Contest. March 2003647713

1254Die HardUSU Local Contest. March 2003722640

1270UnicubeUSU Championship 20031842435

1271Sailing DirectionsUSU Championship 2003924631

1272Non-Yekaterinburg SubwayUSU Championship 20033116151

1277Cops and ThievesNEERC 2003 Central Subregional596780

1280Topological SortingNEERC 2003 Central Subregional3305143

1281River BasinNEERC 2003 Central Subregional3281398

1291Gear-wheelsSpring School Contest 20041193395

1301Cube in LabyrinthUral Championship 1998634738

1314Chase in SubwayUral Championship 2004. Round 1761616

1315MDPAR and MIIARUral Championship 2004. Round 12361932

1320Graph DecompositionUral Championship 2004. Round 21590297

1323ClassmatesUral Championship 2004. Round 2577810

1325DirtUral Championship 2004. Round 2854550

1329Galactic HistoryAutumn School Contest 20041014467

1337BureaucracyAutumn School Contest 20043011538

1338AutomobilesUSU Championship 20042621765

1339BabiesUSU Championship 2004530889

1358CablesSpring School Contest 2005863550

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22062226

1367Top SecretUral Championship 2005. Round 21443122

1379Cups TransportationUral Championship 2005. Round 1694685

1392Dreaming of Stars624761

1399Economical Director3010860

1400Cellular CharactersAutumn School Contest 2005875545

1416ConfidentialUSU Championship 20051170407

1419Maps of the Island WorldsUSU Championship 20053811229

1421Credit OperationsTimus Top Coders: First Challenge861538

1434Buses in VasyukiUSU Personal Contest 20064501016

1441From the History of Gringotts BankUral Championship 20063911158

1447Portkey NetworkUral Championship 20064411030

1449Credit Operations 2Timus Top Coders: Second Challenge3081451

1450Russian PipelinesTimus Top Coders: Second Challenge2029226

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest854682

1487Chinese FootballUSU Championship 20063421260

1500Pass LicensesNEERC 2006 Eastern Subregional692629

1505Oil TransferNEERC 2006 Eastern Subregional1472811

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3521187

1533Fat HobbitsUSU Personal Contest 20073941060

1544Classmates 3Ural Championship 20073441196

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2251736

1569Networking the “Iset”USU Championship 2007397999

1575Yekaterinburg Subway 2Autumn School Contest 2007436910

1580Dean's DebtsAutumn School Contest 2007450882

1610CactusesUral Championship 20081951900

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013390

1630TalismanUSU Championship 2008372971

1641DutiesAutumn School Contest 2008765477

1643Attack of the Dark FortressAutumn School Contest 2008793461

1651Shortest SubchainNEERC 2008 Eastern Subregional1068342

1652Banking CrisisNEERC 2008 Eastern Subregional1322600

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1811909

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2001727

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1023187

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3381026

1709Penguin-AviaUral Championship 20092309153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional608547

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1090299

1770The Party of Ural ChampionsUral Championship 20101861644

1806Mobile TelegraphsNEERC 2010 Eastern Subregional753400

1833Hopes of RowingUral Championship 20111052521

1837Isenbaev's NumberUral Championship 2011504257

1847ZamkadyePetrozavodsk Summer 2010. USU Contest534420

1882Old NokiaUral Regional School Programming Contest 2011932677

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional636426

1905Travel in TimeUral Championship 20122331019

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254936

1930Ivan's CarUral Regional School Programming Contest 20121425172

1934Black SpotUral FU Championship 2012758319

1966Cycling RoadsUral FU Personal Contest 2013347639

1980Road to InvestorUral Championship 2013375585

1982Electrification PlanUral FU Championship 20131758124

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional232798

2017Best of a bad lotNEERC 2014 Eastern Subregional1561163

2030Awesome Backup SystemUral Regional School Programming Contest 2014420447

2034CaravansUral Regional School Programming Contest 2014671282

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest732295

2055Urban GeographyUral Championship 20151211362

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141111225

2113Survive the floodUniversity academic school olympiad in informatics 2019230340

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest143311

2128Rubina's SolitaireLater is better than never85785

2132Graph Decomposition. Version 2Later is better than never331735

2140BitMazeCraftUral School Programming Contest 201975816

2147City BuildingUral School Programming Contest 2019381444

2155QuadrocopterUral School Programming Contest 202036887