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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992734581

1008Image EncodingUSTU PhysTech Cup 20004327367

1016Cube on the WalkUSU Local Contest. 19991910826

1022Genealogical TreeAutumn School Contest 200011129142

1033LabyrinthUral Championship 19996650237

1035Cross-stitchUral Championship 199911431366

1040Airline CompanyUSU Championship 200015481004

1045Funny GameUSU Local Contest. March 20002946523

1056Centers of the NetNEERC 2000 Central Subregional2786552

1065FrontierNEERC 200010181420

1069Prufer CodeUSU Personal Contest 20012755513

1072RoutingUSU Personal Contest 20012806504

1076Trash1970712

1077Travelling Tours1280396

1080Map ColoringWinter Mathematical Festival Varna 20017530186

1085MeetingSpring School Contest 20012200629

1096Get the Right Route Plate!USU Local Contest. March 20011851710

1099Work Scheduling10411138

1106Two TeamsTetrahedron Team Online Contest May 2001689174

1109ConferenceBulgarian Online Contest September 20012037249

1119MetroAutumn School Contest 2001729470

1124MosaicUSU Championship 20011713297

1128Partition into GroupsUSU Championship 20011231412

1129Door PaintingUSU Championship 20011341378

1136ParliamentNEERC 2001 Central Subregional5102100

1137Bus RoutesNEERC 2001 Central Subregional1605317

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011476344

1156Two RoundsUral Championship 2001. Round 21593319

1160NetworkNEERC 2001 Northern Subregional3683140

1162Currency ExchangeNEERC 2001 Northern Subregional2764185

1176HyperchannelsUSU Personal Contest 20021519336

1182Team Them Up!NEERC 20011003507

1198Jobbery1079489

1199Mouse1263597

1205By the Underground or by Foot?USU Local Contest. March 20022182234

1208Legendary Teams ContestUSU Local Contest. March 20022431210

1210Kind SpiritsAutumn School Contest 20023050169

1218Episode N-th: The Jedi TournamentUSU Championship 20021590323

1227Rally ChampionshipNEERC 2002 Central Subregional1707301

1237Evacuation PlanNEERC 2002515988

1242WerewolfUSU Personal Contest 20032963175

1250Sea BurialUSU Local Contest. March 2003708724

1254Die HardUSU Local Contest. March 2003794646

1270UnicubeUSU Championship 20032232246

1271Sailing DirectionsUSU Championship 20031124289

1272Non-Yekaterinburg SubwayUSU Championship 20033615144

1277Cops and ThievesNEERC 2003 Central Subregional598861

1280Topological SortingNEERC 2003 Central Subregional3715141

1281River BasinNEERC 2003 Central Subregional2841781

1291Gear-wheelsSpring School Contest 20041362383

1301Cube in LabyrinthUral Championship 1998718722

1314Chase in SubwayUral Championship 2004. Round 1926562

1315MDPAR and MIIARUral Championship 2004. Round 12881765

1320Graph DecompositionUral Championship 2004. Round 21843284

1323ClassmatesUral Championship 2004. Round 2624830

1325DirtUral Championship 2004. Round 2976533

1329Galactic HistoryAutumn School Contest 20041157453

1337BureaucracyAutumn School Contest 20043361528

1338AutomobilesUSU Championship 20042971727

1339BabiesUSU Championship 2004611854

1358CablesSpring School Contest 2005973540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22751863

1367Top SecretUral Championship 2005. Round 21812780

1379Cups TransportationUral Championship 2005. Round 1906581

1392Dreaming of Stars686765

1399Economical Director488432

1400Cellular CharactersAutumn School Contest 2005957550

1416ConfidentialUSU Championship 20051368385

1419Maps of the Island WorldsUSU Championship 20054291209

1421Credit OperationsTimus Top Coders: First Challenge956539

1434Buses in VasyukiUSU Personal Contest 2006584874

1441From the History of Gringotts BankUral Championship 20064451134

1447Portkey NetworkUral Championship 2006521972

1449Credit Operations 2Timus Top Coders: Second Challenge3411463

1450Russian PipelinesTimus Top Coders: Second Challenge3440149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163956

1487Chinese FootballUSU Championship 20063901243

1500Pass LicensesNEERC 2006 Eastern Subregional762642

1505Oil TransferNEERC 2006 Eastern Subregional1662814

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4181132

1533Fat HobbitsUSU Personal Contest 2007483981

1544Classmates 3Ural Championship 20073721254

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2621710

1569Networking the “Iset”USU Championship 2007514885

1575Yekaterinburg Subway 2Autumn School Contest 2007525866

1580Dean's DebtsAutumn School Contest 2007516881

1610CactusesUral Championship 20082151993

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1343031

1630TalismanUSU Championship 20084201004

1641DutiesAutumn School Contest 2008833511

1643Attack of the Dark FortressAutumn School Contest 20081002426

1651Shortest SubchainNEERC 2008 Eastern Subregional1233346

1652Banking CrisisNEERC 2008 Eastern Subregional1542623

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2181869

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2381711

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1392813

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3801075

1709Penguin-AviaUral Championship 20092709154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional682581

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1254312

1770The Party of Ural ChampionsUral Championship 20102141731

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2086178

1833Hopes of RowingUral Championship 20111682014

1837Isenbaev's NumberUral Championship 2011596960

1847ZamkadyePetrozavodsk Summer 2010. USU Contest813826

1882Old NokiaUral Regional School Programming Contest 20111232599

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional736463

1905Travel in TimeUral Championship 20122721136

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2421269

1930Ivan's CarUral Regional School Programming Contest 20121959162

1934Black SpotUral FU Championship 2012877359

1966Cycling RoadsUral FU Personal Contest 2013433684

1980Road to InvestorUral Championship 2013460638

1982Electrification PlanUral FU Championship 20132296128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional278941

2017Best of a bad lotNEERC 2014 Eastern Subregional1941328

2030Awesome Backup SystemUral Regional School Programming Contest 2014513516

2034CaravansUral Regional School Programming Contest 2014944283

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1062317

2055Urban GeographyUral Championship 20151661465

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141581372

2113Survive the floodUniversity-Academy Olympiad 2019386430

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest443119

2128Rubina's SolitaireLater is better than never155994

2132Graph Decomposition. Version 2Later is better than never1091378

2140BitMazeCraftUral School Programming Contest 20191311129

2147City BuildingUral School Programming Contest 2019811750

2155QuadrocopterUral School Programming Contest 2020129960

2159EssayUral School Programming Contest 2021551307

2169City Building 2Ural School Programming Contest 2022381769

2174Dualism of NumbersUral School Programming Contest 202354895

2180Need More TasksUral School Programming Contest 2023341302

2187Need More GoldUral School Programming Contest 2024321364

2192My GrandfatherICPC Ural Regional Contest Qualifier 202252925

2195Binary TreesICPC Ural Regional Contest Qualifier 2023281509

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024351272

2200He is not a knight for you 2University-Academy Olympiad 202028982

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202536810

2226County of SquirrelsUral Championship 202541731