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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992675582

1008Image EncodingUSTU PhysTech Cup 20004261365

1016Cube on the WalkUSU Local Contest. 19991888819

1022Genealogical TreeAutumn School Contest 200010977141

1033LabyrinthUral Championship 19996560236

1035Cross-stitchUral Championship 199911211366

1040Airline CompanyUSU Championship 200015231001

1045Funny GameUSU Local Contest. March 20002905520

1056Centers of the NetNEERC 2000 Central Subregional2742550

1065FrontierNEERC 200010071408

1069Prufer CodeUSU Personal Contest 20012687516

1072RoutingUSU Personal Contest 20012765501

1076Trash1940710

1077Travelling Tours1256396

1080Map ColoringWinter Mathematical Festival Varna 20017238190

1085MeetingSpring School Contest 20012177624

1096Get the Right Route Plate!USU Local Contest. March 20011822708

1099Work Scheduling10101150

1106Two TeamsTetrahedron Team Online Contest May 2001675074

1109ConferenceBulgarian Online Contest September 20011996250

1119MetroAutumn School Contest 2001717070

1124MosaicUSU Championship 20011672298

1128Partition into GroupsUSU Championship 20011208412

1129Door PaintingUSU Championship 20011223407

1136ParliamentNEERC 2001 Central Subregional5019100

1137Bus RoutesNEERC 2001 Central Subregional1547322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011402355

1156Two RoundsUral Championship 2001. Round 21520328

1160NetworkNEERC 2001 Northern Subregional3462146

1162Currency ExchangeNEERC 2001 Northern Subregional2539197

1176HyperchannelsUSU Personal Contest 20021496334

1182Team Them Up!NEERC 2001971514

1198Jobbery1060489

1199Mouse1313398

1205By the Underground or by Foot?USU Local Contest. March 20022115237

1208Legendary Teams ContestUSU Local Contest. March 20022353213

1210Kind SpiritsAutumn School Contest 20023103163

1218Episode N-th: The Jedi TournamentUSU Championship 20021558324

1227Rally ChampionshipNEERC 2002 Central Subregional1674302

1237Evacuation PlanNEERC 2002507985

1242WerewolfUSU Personal Contest 20032877177

1250Sea BurialUSU Local Contest. March 2003690729

1254Die HardUSU Local Contest. March 2003783643

1270UnicubeUSU Championship 20032052390

1271Sailing DirectionsUSU Championship 20031014630

1272Non-Yekaterinburg SubwayUSU Championship 20033484147

1277Cops and ThievesNEERC 2003 Central Subregional642789

1280Topological SortingNEERC 2003 Central Subregional3627141

1281River BasinNEERC 2003 Central Subregional3621382

1291Gear-wheelsSpring School Contest 20041331385

1301Cube in LabyrinthUral Championship 1998687741

1314Chase in SubwayUral Championship 2004. Round 1869588

1315MDPAR and MIIARUral Championship 2004. Round 12681858

1320Graph DecompositionUral Championship 2004. Round 21791287

1323ClassmatesUral Championship 2004. Round 2616825

1325DirtUral Championship 2004. Round 2952537

1329Galactic HistoryAutumn School Contest 20041119460

1337BureaucracyAutumn School Contest 20043241555

1338AutomobilesUSU Championship 20042801796

1339BabiesUSU Championship 2004595861

1358CablesSpring School Contest 2005952542

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22561961

1367Top SecretUral Championship 2005. Round 21642999

1379Cups TransportationUral Championship 2005. Round 1847610

1392Dreaming of Stars673766

1399Economical Director3710192

1400Cellular CharactersAutumn School Contest 2005941550

1416ConfidentialUSU Championship 20051311395

1419Maps of the Island WorldsUSU Championship 20054181219

1421Credit OperationsTimus Top Coders: First Challenge929544

1434Buses in VasyukiUSU Personal Contest 2006560894

1441From the History of Gringotts BankUral Championship 20064331143

1447Portkey NetworkUral Championship 2006501991

1449Credit Operations 2Timus Top Coders: Second Challenge3281491

1450Russian PipelinesTimus Top Coders: Second Challenge3282153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994483

1487Chinese FootballUSU Championship 20063731272

1500Pass LicensesNEERC 2006 Eastern Subregional750639

1505Oil TransferNEERC 2006 Eastern Subregional1572906

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3961169

1533Fat HobbitsUSU Personal Contest 2007467992

1544Classmates 3Ural Championship 20073641253

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451783

1569Networking the “Iset”USU Championship 2007482921

1575Yekaterinburg Subway 2Autumn School Contest 2007516861

1580Dean's DebtsAutumn School Contest 2007496895

1610CactusesUral Championship 20082062026

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253151

1630TalismanUSU Championship 20084041016

1641DutiesAutumn School Contest 2008824503

1643Attack of the Dark FortressAutumn School Contest 2008977425

1651Shortest SubchainNEERC 2008 Eastern Subregional1209344

1652Banking CrisisNEERC 2008 Eastern Subregional1442720

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2001975

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281735

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1193160

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3671081

1709Penguin-AviaUral Championship 20092638153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional665578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1227309

1770The Party of Ural ChampionsUral Championship 20102061739

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1891189

1833Hopes of RowingUral Championship 20111612023

1837Isenbaev's NumberUral Championship 2011582659

1847ZamkadyePetrozavodsk Summer 2010. USU Contest664413

1882Old NokiaUral Regional School Programming Contest 20111122728

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional717457

1905Travel in TimeUral Championship 20122631124

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2311271

1930Ivan's CarUral Regional School Programming Contest 20121838166

1934Black SpotUral FU Championship 2012854353

1966Cycling RoadsUral FU Personal Contest 2013415680

1980Road to InvestorUral Championship 2013439637

1982Electrification PlanUral FU Championship 20132128131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262944

2017Best of a bad lotNEERC 2014 Eastern Subregional1801351

2030Awesome Backup SystemUral Regional School Programming Contest 2014497504

2034CaravansUral Regional School Programming Contest 2014890284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942446

2055Urban GeographyUral Championship 20151511511

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141481363

2113Survive the floodUniversity academic school olympiad in informatics 2019360417

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest303801

2128Rubina's SolitaireLater is better than never1371004

2132Graph Decomposition. Version 2Later is better than never881506

2140BitMazeCraftUral School Programming Contest 20191141151

2147City BuildingUral School Programming Contest 2019661878

2155QuadrocopterUral School Programming Contest 20201041021

2159EssayUral School Programming Contest 2021361456

2169City Building 2Ural School Programming Contest 2022232027

2174Dualism of NumbersUral School Programming Contest 202335861

2180Need More TasksUral School Programming Contest 2023121761

2187Need More GoldUral School Programming Contest 2024121761

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022171437

2195Binary TreesICPC Ural Regional Contest Qualifier 2023101939

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024171433