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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5582711

1074Very Short ProblemUSU Personal Contest 20016632110

1148Building TowersDSAP Vietnam Online Contest November 20012901707

1166Funny Card GameNEERC 2001 Northern Subregional1453379

1171Lost in SpaceRomanian Online Contest December 20014011247

1177Like ComparisonsUSU Personal Contest 20024081229

1199Mouse1273574

1216Two Pawns and One KingUSU Championship 20022482007

1239Ghost BustersNEERC 20021623015

1271Sailing DirectionsUSU Championship 20031134259

1312TrayUral Championship 2004. Round 11702925

1344Gigantic TurnipUSU Championship 20041184146

1369Cockroach RaceUral Championship 2005. Round 24210220

1374MisereUral Championship 2005. Round 1528593

1376Dean's Pyramid 2Ural Championship 2005. Round 13811099

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest558197

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1124367

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3910874

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest558197

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest935173

1394Ships. Version 22614801

1395Pascal vs. C++. Version 22232203

1399Economical Director498298

1415Mobile LifeUSU Championship 2005577929

1432Twofold LuckUSU Personal Contest 2006656926

1438Time Limit ExceededUSU Personal Contest 20061682918

1460WiresPetrozavodsk Winter 2006. USU Contest1183930

1464LightPetrozavodsk Winter 2006. USU Contest1732749

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1183898

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1173929

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest409704

1536Delights of Pipe-weedUSU Personal Contest 2007557447

1548Sakura and StatisticsUral Championship 20073311152

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest537392

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest488029

1589SokobanNEERC 2007 Eastern Subregional2214455

1594Aztec Treasure934014

1596Knight Mare347644

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest974085

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest944203

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest814803

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest566623

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional576429

1653Death ConveyorNEERC 2008 Eastern Subregional655743

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest625926

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113526

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest884353

1668Death Star 2Petrozavodsk Winter 2008. USU Contest695401

1672Droid fliesPetrozavodsk Summer 2008. USU Contest408498

1674Drunk KingPetrozavodsk Summer 2008. USU Contest645742

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest794774

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest369124

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1432743

1708Sum of Digits 2Ural Championship 2009369086

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193122

1763Expert FleaUral Championship 2010684979

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476420

1840Victim of AdvertisingUral Championship 2011436778

1842Local RootsPetrozavodsk Summer 2010. USU Contest535538

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793920

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724255

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest446452

1906The Lost CivilizationUral Championship 2012426172

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest278215

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest783455

2016Magic and ScienceNEERC 2014 Eastern Subregional346176

2054AstronomyUral Championship 2015345876

2076VasianaNEERC 2015 Eastern Subregional Qualifier296155

2082PokerUral Championship 2016286134

2131Open CupLater is better than never274457

2137Dynamic string complexityLater is better than never264580
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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