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Problem set. Hardest Problems

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5582710

1074Very Short ProblemUSU Personal Contest 20016632109

1148Building TowersDSAP Vietnam Online Contest November 20012901706

1166Funny Card GameNEERC 2001 Northern Subregional1443399

1171Lost in SpaceRomanian Online Contest December 20014011246

1177Like ComparisonsUSU Personal Contest 20024071231

1199Mouse1263599

1216Two Pawns and One KingUSU Championship 20022482006

1239Ghost BustersNEERC 20021623014

1271Sailing DirectionsUSU Championship 20031134257

1312TrayUral Championship 2004. Round 11702923

1344Gigantic TurnipUSU Championship 20041174177

1369Cockroach RaceUral Championship 2005. Round 24110416

1374MisereUral Championship 2005. Round 1518730

1376Dean's Pyramid 2Ural Championship 2005. Round 13711330

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548322

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1124365

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3811096

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548322

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925221

1394Ships. Version 22614795

1395Pascal vs. C++. Version 22202231

1399Economical Director488437

1415Mobile LifeUSU Championship 2005558169

1432Twofold LuckUSU Personal Contest 2006647016

1438Time Limit ExceededUSU Personal Contest 20061682917

1460WiresPetrozavodsk Winter 2006. USU Contest1183929

1464LightPetrozavodsk Winter 2006. USU Contest1732748

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1183897

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163958

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3810104

1536Delights of Pipe-weedUSU Personal Contest 2007557443

1548Sakura and StatisticsUral Championship 20073211412

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527507

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478165

1589SokobanNEERC 2007 Eastern Subregional2015410

1594Aztec Treasure914090

1596Knight Mare347637

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964121

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934241

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804854

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556720

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566522

1653Death ConveyorNEERC 2008 Eastern Subregional655739

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest616005

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113524

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest884351

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685466

1672Droid fliesPetrozavodsk Summer 2008. USU Contest398666

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635817

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784825

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359321

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1432741

1708Sum of Digits 2Ural Championship 2009359282

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193120

1763Expert FleaUral Championship 2010675040

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476415

1840Victim of AdvertisingUral Championship 2011426903

1842Local RootsPetrozavodsk Summer 2010. USU Contest525622

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793916

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724251

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436568

1906The Lost CivilizationUral Championship 2012406412

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest268434

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773490

2016Magic and ScienceNEERC 2014 Eastern Subregional336312

2054AstronomyUral Championship 2015336005

2076VasianaNEERC 2015 Eastern Subregional Qualifier286307

2082PokerUral Championship 2016286125

2131Open CupLater is better than never274446

2137Dynamic string complexityLater is better than never264569
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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