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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992726580

1008Image EncodingUSTU PhysTech Cup 20004318366

1016Cube on the WalkUSU Local Contest. 19991905824

1022Genealogical TreeAutumn School Contest 200011108142

1033LabyrinthUral Championship 19996635237

1035Cross-stitchUral Championship 199911351370

1040Airline CompanyUSU Championship 200015441002

1045Funny GameUSU Local Contest. March 20002939522

1056Centers of the NetNEERC 2000 Central Subregional2776551

1065FrontierNEERC 200010161417

1069Prufer CodeUSU Personal Contest 20012746512

1072RoutingUSU Personal Contest 20012801502

1076Trash1964712

1077Travelling Tours1276395

1080Map ColoringWinter Mathematical Festival Varna 20017501186

1085MeetingSpring School Contest 20012197628

1096Get the Right Route Plate!USU Local Contest. March 20011848708

1099Work Scheduling10311144

1106Two TeamsTetrahedron Team Online Contest May 2001685874

1109ConferenceBulgarian Online Contest September 20012031249

1119MetroAutumn School Contest 2001726870

1124MosaicUSU Championship 20011708296

1128Partition into GroupsUSU Championship 20011225412

1129Door PaintingUSU Championship 20011337378

1136ParliamentNEERC 2001 Central Subregional5084100

1137Bus RoutesNEERC 2001 Central Subregional1599316

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011470344

1156Two RoundsUral Championship 2001. Round 21588319

1160NetworkNEERC 2001 Northern Subregional3663140

1162Currency ExchangeNEERC 2001 Northern Subregional2749185

1176HyperchannelsUSU Personal Contest 20021516335

1182Team Them Up!NEERC 2001998507

1198Jobbery1075488

1199Mouse1213716

1205By the Underground or by Foot?USU Local Contest. March 20022176234

1208Legendary Teams ContestUSU Local Contest. March 20022423210

1210Kind SpiritsAutumn School Contest 20023041169

1218Episode N-th: The Jedi TournamentUSU Championship 20021584323

1227Rally ChampionshipNEERC 2002 Central Subregional1702301

1237Evacuation PlanNEERC 2002514986

1242WerewolfUSU Personal Contest 20032949175

1250Sea BurialUSU Local Contest. March 2003705724

1254Die HardUSU Local Contest. March 2003793645

1270UnicubeUSU Championship 20032222246

1271Sailing DirectionsUSU Championship 20031094380

1272Non-Yekaterinburg SubwayUSU Championship 20033604144

1277Cops and ThievesNEERC 2003 Central Subregional594863

1280Topological SortingNEERC 2003 Central Subregional3703140

1281River BasinNEERC 2003 Central Subregional2821786

1291Gear-wheelsSpring School Contest 20041359382

1301Cube in LabyrinthUral Championship 1998708729

1314Chase in SubwayUral Championship 2004. Round 1922562

1315MDPAR and MIIARUral Championship 2004. Round 12871764

1320Graph DecompositionUral Championship 2004. Round 21824286

1323ClassmatesUral Championship 2004. Round 2621830

1325DirtUral Championship 2004. Round 2971534

1329Galactic HistoryAutumn School Contest 20041152453

1337BureaucracyAutumn School Contest 20043361522

1338AutomobilesUSU Championship 20042961726

1339BabiesUSU Championship 2004608855

1358CablesSpring School Contest 2005969540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22731869

1367Top SecretUral Championship 2005. Round 21782813

1379Cups TransportationUral Championship 2005. Round 1901582

1392Dreaming of Stars683765

1399Economical Director458850

1400Cellular CharactersAutumn School Contest 2005956549

1416ConfidentialUSU Championship 20051363385

1419Maps of the Island WorldsUSU Championship 20054281207

1421Credit OperationsTimus Top Coders: First Challenge949540

1434Buses in VasyukiUSU Personal Contest 2006577880

1441From the History of Gringotts BankUral Championship 20064431134

1447Portkey NetworkUral Championship 2006517975

1449Credit Operations 2Timus Top Coders: Second Challenge3391465

1450Russian PipelinesTimus Top Coders: Second Challenge3422149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1124067

1487Chinese FootballUSU Championship 20063891241

1500Pass LicensesNEERC 2006 Eastern Subregional759641

1505Oil TransferNEERC 2006 Eastern Subregional1642833

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4141138

1533Fat HobbitsUSU Personal Contest 2007482978

1544Classmates 3Ural Championship 20073711251

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2611707

1569Networking the “Iset”USU Championship 2007507893

1575Yekaterinburg Subway 2Autumn School Contest 2007523865

1580Dean's DebtsAutumn School Contest 2007513881

1610CactusesUral Championship 20082141991

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1333035

1630TalismanUSU Championship 20084181003

1641DutiesAutumn School Contest 2008832508

1643Attack of the Dark FortressAutumn School Contest 2008997425

1651Shortest SubchainNEERC 2008 Eastern Subregional1227346

1652Banking CrisisNEERC 2008 Eastern Subregional1512656

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2141890

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2361714

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1362853

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3781073

1709Penguin-AviaUral Championship 20092692154

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional680579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1250310

1770The Party of Ural ChampionsUral Championship 20102141719

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2071178

1833Hopes of RowingUral Championship 20111662021

1837Isenbaev's NumberUral Championship 2011594260

1847ZamkadyePetrozavodsk Summer 2010. USU Contest793879

1882Old NokiaUral Regional School Programming Contest 20111202637

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional734460

1905Travel in TimeUral Championship 20122701133

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2391272

1930Ivan's CarUral Regional School Programming Contest 20121933163

1934Black SpotUral FU Championship 2012870358

1966Cycling RoadsUral FU Personal Contest 2013430681

1980Road to InvestorUral Championship 2013458634

1982Electrification PlanUral FU Championship 20132286127

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional276936

2017Best of a bad lotNEERC 2014 Eastern Subregional1931319

2030Awesome Backup SystemUral Regional School Programming Contest 2014509514

2034CaravansUral Regional School Programming Contest 2014928284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1032349

2055Urban GeographyUral Championship 20151641463

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141561368

2113Survive the floodUniversity-Academy Olympiad 2019380427

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest403294

2128Rubina's SolitaireLater is better than never151996

2132Graph Decomposition. Version 2Later is better than never991470

2140BitMazeCraftUral School Programming Contest 20191291119

2147City BuildingUral School Programming Contest 2019781767

2155QuadrocopterUral School Programming Contest 2020124967

2159EssayUral School Programming Contest 2021531284

2169City Building 2Ural School Programming Contest 2022351795

2174Dualism of NumbersUral School Programming Contest 202350885

2180Need More TasksUral School Programming Contest 2023311294

2187Need More GoldUral School Programming Contest 2024271434

2192My GrandfatherICPC Ural Regional Contest Qualifier 202249900

2195Binary TreesICPC Ural Regional Contest Qualifier 2023241562

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024331233

2200He is not a knight for you 2University-Academy Olympiad 2020201100

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202524969

2226County of SquirrelsUral Championship 202528867