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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992709580

1008Image EncodingUSTU PhysTech Cup 20004278367

1016Cube on the WalkUSU Local Contest. 19991897823

1022Genealogical TreeAutumn School Contest 200011047142

1033LabyrinthUral Championship 19996592237

1035Cross-stitchUral Championship 199911291369

1040Airline CompanyUSU Championship 200015381000

1045Funny GameUSU Local Contest. March 20002922522

1056Centers of the NetNEERC 2000 Central Subregional2763551

1065FrontierNEERC 200010131413

1069Prufer CodeUSU Personal Contest 20012709517

1072RoutingUSU Personal Contest 20012790502

1076Trash1954711

1077Travelling Tours1269395

1080Map ColoringWinter Mathematical Festival Varna 20017296190

1085MeetingSpring School Contest 20012194625

1096Get the Right Route Plate!USU Local Contest. March 20011839708

1099Work Scheduling10221147

1106Two TeamsTetrahedron Team Online Contest May 2001681374

1109ConferenceBulgarian Online Contest September 20012014250

1119MetroAutumn School Contest 2001722070

1124MosaicUSU Championship 20011686298

1128Partition into GroupsUSU Championship 20011217412

1129Door PaintingUSU Championship 20011236406

1136ParliamentNEERC 2001 Central Subregional5065100

1137Bus RoutesNEERC 2001 Central Subregional1561322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011424353

1156Two RoundsUral Championship 2001. Round 21542327

1160NetworkNEERC 2001 Northern Subregional3492147

1162Currency ExchangeNEERC 2001 Northern Subregional2565197

1176HyperchannelsUSU Personal Contest 20021509334

1182Team Them Up!NEERC 2001987510

1198Jobbery1072487

1199Mouse1133934

1205By the Underground or by Foot?USU Local Contest. March 20022153235

1208Legendary Teams ContestUSU Local Contest. March 20022370214

1210Kind SpiritsAutumn School Contest 20023002170

1218Episode N-th: The Jedi TournamentUSU Championship 20021578323

1227Rally ChampionshipNEERC 2002 Central Subregional1690302

1237Evacuation PlanNEERC 2002510988

1242WerewolfUSU Personal Contest 20032905177

1250Sea BurialUSU Local Contest. March 2003700725

1254Die HardUSU Local Contest. March 2003789644

1270UnicubeUSU Championship 20032162294

1271Sailing DirectionsUSU Championship 20031044548

1272Non-Yekaterinburg SubwayUSU Championship 20033506147

1277Cops and ThievesNEERC 2003 Central Subregional588867

1280Topological SortingNEERC 2003 Central Subregional3660141

1281River BasinNEERC 2003 Central Subregional2761814

1291Gear-wheelsSpring School Contest 20041350383

1301Cube in LabyrinthUral Championship 1998689745

1314Chase in SubwayUral Championship 2004. Round 1880586

1315MDPAR and MIIARUral Championship 2004. Round 12741835

1320Graph DecompositionUral Championship 2004. Round 21808287

1323ClassmatesUral Championship 2004. Round 2617831

1325DirtUral Championship 2004. Round 2963536

1329Galactic HistoryAutumn School Contest 20041135457

1337BureaucracyAutumn School Contest 20043321532

1338AutomobilesUSU Championship 20042911746

1339BabiesUSU Championship 2004604856

1358CablesSpring School Contest 2005965539

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22631927

1367Top SecretUral Championship 2005. Round 21653007

1379Cups TransportationUral Championship 2005. Round 1860606

1392Dreaming of Stars678767

1399Economical Director419487

1400Cellular CharactersAutumn School Contest 2005952548

1416ConfidentialUSU Championship 20051327393

1419Maps of the Island WorldsUSU Championship 20054241212

1421Credit OperationsTimus Top Coders: First Challenge939543

1434Buses in VasyukiUSU Personal Contest 2006570886

1441From the History of Gringotts BankUral Championship 20064371143

1447Portkey NetworkUral Championship 2006512979

1449Credit Operations 2Timus Top Coders: Second Challenge3331482

1450Russian PipelinesTimus Top Coders: Second Challenge3326152

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1054290

1487Chinese FootballUSU Championship 20063811259

1500Pass LicensesNEERC 2006 Eastern Subregional755641

1505Oil TransferNEERC 2006 Eastern Subregional1592900

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4081147

1533Fat HobbitsUSU Personal Contest 2007477982

1544Classmates 3Ural Championship 20073671256

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2491775

1569Networking the “Iset”USU Championship 2007491915

1575Yekaterinburg Subway 2Autumn School Contest 2007521862

1580Dean's DebtsAutumn School Contest 2007507885

1610CactusesUral Championship 20082092022

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1283121

1630TalismanUSU Championship 20084141005

1641DutiesAutumn School Contest 2008829506

1643Attack of the Dark FortressAutumn School Contest 2008988426

1651Shortest SubchainNEERC 2008 Eastern Subregional1219345

1652Banking CrisisNEERC 2008 Eastern Subregional1472703

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2041963

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2301743

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1253061

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3721082

1709Penguin-AviaUral Championship 20092653155

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional673580

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1241310

1770The Party of Ural ChampionsUral Championship 20102091742

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1905191

1833Hopes of RowingUral Championship 20111632035

1837Isenbaev's NumberUral Championship 2011589460

1847ZamkadyePetrozavodsk Summer 2010. USU Contest714217

1882Old NokiaUral Regional School Programming Contest 20111142734

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional729458

1905Travel in TimeUral Championship 20122651139

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2361272

1930Ivan's CarUral Regional School Programming Contest 20121880165

1934Black SpotUral FU Championship 2012864356

1966Cycling RoadsUral FU Personal Contest 2013426678

1980Road to InvestorUral Championship 2013453632

1982Electrification PlanUral FU Championship 20132148133

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional267952

2017Best of a bad lotNEERC 2014 Eastern Subregional1841359

2030Awesome Backup SystemUral Regional School Programming Contest 2014502513

2034CaravansUral Regional School Programming Contest 2014910285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest962465

2055Urban GeographyUral Championship 20151571498

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141521375

2113Survive the floodUniversity-Academy Olympiad 2019371425

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest333719

2128Rubina's SolitaireLater is better than never146997

2132Graph Decomposition. Version 2Later is better than never921524

2140BitMazeCraftUral School Programming Contest 20191201159

2147City BuildingUral School Programming Contest 2019701883

2155QuadrocopterUral School Programming Contest 2020116989

2159EssayUral School Programming Contest 2021441401

2169City Building 2Ural School Programming Contest 2022281988

2174Dualism of NumbersUral School Programming Contest 202341935

2180Need More TasksUral School Programming Contest 2023191644

2187Need More GoldUral School Programming Contest 2024171765

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022361037

2195Binary TreesICPC Ural Regional Contest Qualifier 2023122169

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024251361

2200He is not a knight for you 2University-Academy Olympiad 202041963

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202551828

2226County of SquirrelsUral Championship 202551830