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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992609579

1008Image EncodingUSTU PhysTech Cup 20004202360

1016Cube on the WalkUSU Local Contest. 19991868804

1022Genealogical TreeAutumn School Contest 200010791140

1033LabyrinthUral Championship 19996449233

1035Cross-stitchUral Championship 199911191329

1040Airline CompanyUSU Championship 20001492992

1045Funny GameUSU Local Contest. March 20002845516

1056Centers of the NetNEERC 2000 Central Subregional2690544

1065FrontierNEERC 20009941385

1069Prufer CodeUSU Personal Contest 20012606517

1072RoutingUSU Personal Contest 20012739492

1076Trash1910700

1077Travelling Tours1219396

1080Map ColoringWinter Mathematical Festival Varna 20016694199

1085MeetingSpring School Contest 20012144616

1096Get the Right Route Plate!USU Local Contest. March 20011789700

1099Work Scheduling9921137

1106Two TeamsTetrahedron Team Online Contest May 2001651674

1109ConferenceBulgarian Online Contest September 20011956248

1119MetroAutumn School Contest 2001682771

1124MosaicUSU Championship 20011632297

1128Partition into GroupsUSU Championship 20011181409

1129Door PaintingUSU Championship 20011127429

1136ParliamentNEERC 2001 Central Subregional492699

1137Bus RoutesNEERC 2001 Central Subregional1476328

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011330364

1156Two RoundsUral Championship 2001. Round 21487326

1160NetworkNEERC 2001 Northern Subregional2993165

1162Currency ExchangeNEERC 2001 Northern Subregional2108231

1176HyperchannelsUSU Personal Contest 20021421342

1182Team Them Up!NEERC 2001940516

1198Jobbery1035487

1199Mouse1273390

1205By the Underground or by Foot?USU Local Contest. March 20022064236

1208Legendary Teams ContestUSU Local Contest. March 20022301212

1210Kind SpiritsAutumn School Contest 20023022163

1218Episode N-th: The Jedi TournamentUSU Championship 20021532320

1227Rally ChampionshipNEERC 2002 Central Subregional1638300

1237Evacuation PlanNEERC 2002499973

1242WerewolfUSU Personal Contest 20032755179

1250Sea BurialUSU Local Contest. March 2003674726

1254Die HardUSU Local Contest. March 2003769637

1270UnicubeUSU Championship 20032012371

1271Sailing DirectionsUSU Championship 2003974676

1272Non-Yekaterinburg SubwayUSU Championship 20033356149

1277Cops and ThievesNEERC 2003 Central Subregional625788

1280Topological SortingNEERC 2003 Central Subregional3503142

1281River BasinNEERC 2003 Central Subregional3481398

1291Gear-wheelsSpring School Contest 20041294385

1301Cube in LabyrinthUral Championship 1998667743

1314Chase in SubwayUral Championship 2004. Round 1839593

1315MDPAR and MIIARUral Championship 2004. Round 12541905

1320Graph DecompositionUral Championship 2004. Round 21718291

1323ClassmatesUral Championship 2004. Round 2604819

1325DirtUral Championship 2004. Round 2926537

1329Galactic HistoryAutumn School Contest 20041082463

1337BureaucracyAutumn School Contest 20043171547

1338AutomobilesUSU Championship 20042741787

1339BabiesUSU Championship 2004578863

1358CablesSpring School Contest 2005925543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551918

1367Top SecretUral Championship 2005. Round 21563062

1379Cups TransportationUral Championship 2005. Round 1787639

1392Dreaming of Stars662759

1399Economical Director3410554

1400Cellular CharactersAutumn School Contest 2005927544

1416ConfidentialUSU Championship 20051275395

1419Maps of the Island WorldsUSU Championship 20054081216

1421Credit OperationsTimus Top Coders: First Challenge910540

1434Buses in VasyukiUSU Personal Contest 2006499974

1441From the History of Gringotts BankUral Championship 20064231138

1447Portkey NetworkUral Championship 2006487991

1449Credit Operations 2Timus Top Coders: Second Challenge3241467

1450Russian PipelinesTimus Top Coders: Second Challenge2895169

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest954517

1487Chinese FootballUSU Championship 20063651261

1500Pass LicensesNEERC 2006 Eastern Subregional730636

1505Oil TransferNEERC 2006 Eastern Subregional1522907

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881155

1533Fat HobbitsUSU Personal Contest 20074381024

1544Classmates 3Ural Championship 20073591230

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361786

1569Networking the “Iset”USU Championship 2007453946

1575Yekaterinburg Subway 2Autumn School Contest 2007494868

1580Dean's DebtsAutumn School Contest 2007490875

1610CactusesUral Championship 20082061953

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1223101

1630TalismanUSU Championship 20083931004

1641DutiesAutumn School Contest 2008806494

1643Attack of the Dark FortressAutumn School Contest 2008950420

1651Shortest SubchainNEERC 2008 Eastern Subregional1158345

1652Banking CrisisNEERC 2008 Eastern Subregional1392702

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1951943

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2191731

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1113232

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3551071

1709Penguin-AviaUral Championship 20092528153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional649566

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1197302

1770The Party of Ural ChampionsUral Championship 20102041674

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1492228

1833Hopes of RowingUral Championship 20111512035

1837Isenbaev's NumberUral Championship 2011555359

1847ZamkadyePetrozavodsk Summer 2010. USU Contest624399

1882Old NokiaUral Regional School Programming Contest 20111082662

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional697444

1905Travel in TimeUral Championship 20122531093

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281205

1930Ivan's CarUral Regional School Programming Contest 20121710167

1934Black SpotUral FU Championship 2012829340

1966Cycling RoadsUral FU Personal Contest 2013384683

1980Road to InvestorUral Championship 2013418622

1982Electrification PlanUral FU Championship 20131960132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251904

2017Best of a bad lotNEERC 2014 Eastern Subregional1731289

2030Awesome Backup SystemUral Regional School Programming Contest 2014474485

2034CaravansUral Regional School Programming Contest 2014805288

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest832510

2055Urban GeographyUral Championship 20151421460

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141371316

2113Survive the floodUniversity academic school olympiad in informatics 2019328386

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest273467

2128Rubina's SolitaireLater is better than never129890

2132Graph Decomposition. Version 2Later is better than never641671

2140BitMazeCraftUral School Programming Contest 20191021060

2147City BuildingUral School Programming Contest 2019571771

2155QuadrocopterUral School Programming Contest 202094881

2159EssayUral School Programming Contest 2021201360

2169City Building 2Ural School Programming Contest 2022121851