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Problem set. Graph Theory Problems


1004Sightseeing TripCentral European Olympiad in Informatics 19992622579

1008Image EncodingUSTU PhysTech Cup 20004229359

1016Cube on the WalkUSU Local Contest. 19991870807

1022Genealogical TreeAutumn School Contest 200010839140

1033LabyrinthUral Championship 19996489233

1035Cross-stitchUral Championship 199911201334

1040Airline CompanyUSU Championship 20001499992

1045Funny GameUSU Local Contest. March 20002861515

1056Centers of the NetNEERC 2000 Central Subregional2700545

1065FrontierNEERC 20009961389

1069Prufer CodeUSU Personal Contest 20012624516

1072RoutingUSU Personal Contest 20012743493


1077Travelling Tours1229395

1080Map ColoringWinter Mathematical Festival Varna 20016985192

1085MeetingSpring School Contest 20012152616

1096Get the Right Route Plate!USU Local Contest. March 20011801699

1099Work Scheduling9951139

1106Two TeamsTetrahedron Team Online Contest May 2001654774

1109ConferenceBulgarian Online Contest September 20011957249

1119MetroAutumn School Contest 2001692971

1124MosaicUSU Championship 20011638297

1128Partition into GroupsUSU Championship 20011187409

1129Door PaintingUSU Championship 20011135428

1136ParliamentNEERC 2001 Central Subregional494199

1137Bus RoutesNEERC 2001 Central Subregional1497325

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011351360

1156Two RoundsUral Championship 2001. Round 21493326

1160NetworkNEERC 2001 Northern Subregional3241153

1162Currency ExchangeNEERC 2001 Northern Subregional2317211

1176HyperchannelsUSU Personal Contest 20021446338

1182Team Them Up!NEERC 2001943516



1205By the Underground or by Foot?USU Local Contest. March 20022070237

1208Legendary Teams ContestUSU Local Contest. March 20022314212

1210Kind SpiritsAutumn School Contest 20023047162

1218Episode N-th: The Jedi TournamentUSU Championship 20021537321

1227Rally ChampionshipNEERC 2002 Central Subregional1649299

1237Evacuation PlanNEERC 2002499977

1242WerewolfUSU Personal Contest 20032790178

1250Sea BurialUSU Local Contest. March 2003677726

1254Die HardUSU Local Contest. March 2003770639

1270UnicubeUSU Championship 20032012381

1271Sailing DirectionsUSU Championship 2003974696

1272Non-Yekaterinburg SubwayUSU Championship 20033387148

1277Cops and ThievesNEERC 2003 Central Subregional625792

1280Topological SortingNEERC 2003 Central Subregional3538142

1281River BasinNEERC 2003 Central Subregional3481404

1291Gear-wheelsSpring School Contest 20041305384

1301Cube in LabyrinthUral Championship 1998671741

1314Chase in SubwayUral Championship 2004. Round 1846590

1315MDPAR and MIIARUral Championship 2004. Round 12551906

1320Graph DecompositionUral Championship 2004. Round 21747288

1323ClassmatesUral Championship 2004. Round 2604823

1325DirtUral Championship 2004. Round 2929538

1329Galactic HistoryAutumn School Contest 20041093461

1337BureaucracyAutumn School Contest 20043161558

1338AutomobilesUSU Championship 20042741795

1339BabiesUSU Championship 2004580864

1358CablesSpring School Contest 2005930543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541933

1367Top SecretUral Championship 2005. Round 21553094

1379Cups TransportationUral Championship 2005. Round 1802630

1392Dreaming of Stars662762

1399Economical Director3310853

1400Cellular CharactersAutumn School Contest 2005928546

1416ConfidentialUSU Championship 20051280396

1419Maps of the Island WorldsUSU Championship 20054071224

1421Credit OperationsTimus Top Coders: First Challenge912542

1434Buses in VasyukiUSU Personal Contest 2006501974

1441From the History of Gringotts BankUral Championship 20064221146

1447Portkey NetworkUral Championship 2006487996

1449Credit Operations 2Timus Top Coders: Second Challenge3231478

1450Russian PipelinesTimus Top Coders: Second Challenge3133157

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest954538

1487Chinese FootballUSU Championship 20063641271

1500Pass LicensesNEERC 2006 Eastern Subregional737633

1505Oil TransferNEERC 2006 Eastern Subregional1532903

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3871164

1533Fat HobbitsUSU Personal Contest 20074401024

1544Classmates 3Ural Championship 20073581240

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361796

1569Networking the “Iset”USU Championship 2007454949

1575Yekaterinburg Subway 2Autumn School Contest 2007499864

1580Dean's DebtsAutumn School Contest 2007489881

1610CactusesUral Championship 20082051974

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1213144

1630TalismanUSU Championship 20083941007

1641DutiesAutumn School Contest 2008808496

1643Attack of the Dark FortressAutumn School Contest 2008954421

1651Shortest SubchainNEERC 2008 Eastern Subregional1166345

1652Banking CrisisNEERC 2008 Eastern Subregional1392719

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1941965

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2191743

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1133201

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3541082

1709Penguin-AviaUral Championship 20092550153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional650570

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1202303

1770The Party of Ural ChampionsUral Championship 20102031695

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1696202

1833Hopes of RowingUral Championship 20111512053

1837Isenbaev's NumberUral Championship 2011560059

1847ZamkadyePetrozavodsk Summer 2010. USU Contest624440

1882Old NokiaUral Regional School Programming Contest 20111072710

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698447

1905Travel in TimeUral Championship 20122521109

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2271223

1930Ivan's CarUral Regional School Programming Contest 20121737166

1934Black SpotUral FU Championship 2012840339

1966Cycling RoadsUral FU Personal Contest 2013397669

1980Road to InvestorUral Championship 2013422623

1982Electrification PlanUral FU Championship 20132000131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251916

2017Best of a bad lotNEERC 2014 Eastern Subregional1751292

2030Awesome Backup SystemUral Regional School Programming Contest 2014479487

2034CaravansUral Regional School Programming Contest 2014814289

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest832545

2055Urban GeographyUral Championship 20151431473

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141411304

2113Survive the floodUniversity academic school olympiad in informatics 2019334390

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest263667

2128Rubina's SolitaireLater is better than never130910

2132Graph Decomposition. Version 2Later is better than never631746

2140BitMazeCraftUral School Programming Contest 20191021093

2147City BuildingUral School Programming Contest 2019561855

2155QuadrocopterUral School Programming Contest 202094919

2159EssayUral School Programming Contest 2021221404

2169City Building 2Ural School Programming Contest 2022112135