ENG  RUSTimus Online Judge
Online Judge
Online contests
About Online Judge
Frequently asked questions
Site news
Problem set
Submit solution
Judge status
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests

Problem set. Graph Theory Problems


1004Sightseeing TripCentral European Olympiad in Informatics 19992549575

1008Image EncodingUSTU PhysTech Cup 20004135354

1016Cube on the WalkUSU Local Contest. 19991839792

1022Genealogical TreeAutumn School Contest 200010609138

1033LabyrinthUral Championship 19996335230

1035Cross-stitchUral Championship 199910991312

1040Airline CompanyUSU Championship 20001461982

1045Funny GameUSU Local Contest. March 20002771514

1056Centers of the NetNEERC 2000 Central Subregional2637538

1065FrontierNEERC 20009811361

1069Prufer CodeUSU Personal Contest 20012518519

1072RoutingUSU Personal Contest 20012703483


1077Travelling Tours1179398

1080Map ColoringWinter Mathematical Festival Varna 20016005216

1085MeetingSpring School Contest 20012104608

1096Get the Right Route Plate!USU Local Contest. March 20011760690

1099Work Scheduling9601140

1106Two TeamsTetrahedron Team Online Contest May 2001628975

1109ConferenceBulgarian Online Contest September 20011912246

1119MetroAutumn School Contest 2001657172

1124MosaicUSU Championship 20011578298

1128Partition into GroupsUSU Championship 20011132414

1129Door PaintingUSU Championship 20011072437

1136ParliamentNEERC 2001 Central Subregional475399

1137Bus RoutesNEERC 2001 Central Subregional1406334

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011242378

1156Two RoundsUral Championship 2001. Round 21436328

1160NetworkNEERC 2001 Northern Subregional2431197

1162Currency ExchangeNEERC 2001 Northern Subregional1649286

1176HyperchannelsUSU Personal Contest 20021334354

1182Team Them Up!NEERC 2001917513



1205By the Underground or by Foot?USU Local Contest. March 20022016235

1208Legendary Teams ContestUSU Local Contest. March 20022240211

1210Kind SpiritsAutumn School Contest 20022951162

1218Episode N-th: The Jedi TournamentUSU Championship 20021480322

1227Rally ChampionshipNEERC 2002 Central Subregional1565305

1237Evacuation PlanNEERC 2002484974

1242WerewolfUSU Personal Contest 20032651181

1250Sea BurialUSU Local Contest. March 2003664716

1254Die HardUSU Local Contest. March 2003742641

1270UnicubeUSU Championship 20031952372

1271Sailing DirectionsUSU Championship 2003954631

1272Non-Yekaterinburg SubwayUSU Championship 20033233150

1277Cops and ThievesNEERC 2003 Central Subregional610785

1280Topological SortingNEERC 2003 Central Subregional3413142

1281River BasinNEERC 2003 Central Subregional3401390

1291Gear-wheelsSpring School Contest 20041232393

1301Cube in LabyrinthUral Championship 1998649742

1314Chase in SubwayUral Championship 2004. Round 1795607

1315MDPAR and MIIARUral Championship 2004. Round 12481895

1320Graph DecompositionUral Championship 2004. Round 21658293

1323ClassmatesUral Championship 2004. Round 2593811

1325DirtUral Championship 2004. Round 2879550

1329Galactic HistoryAutumn School Contest 20041047465

1337BureaucracyAutumn School Contest 20043121528

1338AutomobilesUSU Championship 20042701763

1339BabiesUSU Championship 2004541896

1358CablesSpring School Contest 2005894546

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22302060

1367Top SecretUral Championship 2005. Round 21523052

1379Cups TransportationUral Championship 2005. Round 1737664

1392Dreaming of Stars644758

1399Economical Director3210697

1400Cellular CharactersAutumn School Contest 2005899546

1416ConfidentialUSU Championship 20051204407

1419Maps of the Island WorldsUSU Championship 20053961218

1421Credit OperationsTimus Top Coders: First Challenge885540

1434Buses in VasyukiUSU Personal Contest 20064681007

1441From the History of Gringotts BankUral Championship 20064091142

1447Portkey NetworkUral Championship 20064621014

1449Credit Operations 2Timus Top Coders: Second Challenge3141468

1450Russian PipelinesTimus Top Coders: Second Challenge2352201

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest904594

1487Chinese FootballUSU Championship 20063541259

1500Pass LicensesNEERC 2006 Eastern Subregional709634

1505Oil TransferNEERC 2006 Eastern Subregional1502850

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3731161

1533Fat HobbitsUSU Personal Contest 20074121050

1544Classmates 3Ural Championship 20073511215

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301764

1569Networking the “Iset”USU Championship 2007429962

1575Yekaterinburg Subway 2Autumn School Contest 2007449918

1580Dean's DebtsAutumn School Contest 2007463891

1610CactusesUral Championship 20082011922

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1083327

1630TalismanUSU Championship 2008383986

1641DutiesAutumn School Contest 2008780489

1643Attack of the Dark FortressAutumn School Contest 2008900425

1651Shortest SubchainNEERC 2008 Eastern Subregional1100348

1652Banking CrisisNEERC 2008 Eastern Subregional1372624

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921888

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131702

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1073196

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3491041

1709Penguin-AviaUral Championship 20092420153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional633553

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1150299

1770The Party of Ural ChampionsUral Championship 20101951659

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1008318

1833Hopes of RowingUral Championship 20111332158

1837Isenbaev's NumberUral Championship 2011532358

1847ZamkadyePetrozavodsk Summer 2010. USU Contest564507

1882Old NokiaUral Regional School Programming Contest 20111022632

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional657441

1905Travel in TimeUral Championship 20122431057

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2211155

1930Ivan's CarUral Regional School Programming Contest 20121584167

1934Black SpotUral FU Championship 2012795329

1966Cycling RoadsUral FU Personal Contest 2013370654

1980Road to InvestorUral Championship 2013396605

1982Electrification PlanUral FU Championship 20131856129

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional240857

2017Best of a bad lotNEERC 2014 Eastern Subregional1631238

2030Awesome Backup SystemUral Regional School Programming Contest 2014446468

2034CaravansUral Regional School Programming Contest 2014739285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest802353

2055Urban GeographyUral Championship 20151351379

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141251264

2113Survive the floodUniversity academic school olympiad in informatics 2019280365

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest203456

2128Rubina's SolitaireLater is better than never101891

2132Graph Decomposition. Version 2Later is better than never531571

2140BitMazeCraftUral School Programming Contest 201989947

2147City BuildingUral School Programming Contest 2019471646

2155QuadrocopterUral School Programming Contest 202065880