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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5502737

1074Very Short ProblemUSU Personal Contest 20016612106

1148Building TowersDSAP Vietnam Online Contest November 20012851728

1166Funny Card GameNEERC 2001 Northern Subregional1423430

1171Lost in SpaceRomanian Online Contest December 20013991247

1177Like ComparisonsUSU Personal Contest 20024011244

1199Mouse1213720

1216Two Pawns and One KingUSU Championship 20022452022

1239Ghost BustersNEERC 20021603037

1271Sailing DirectionsUSU Championship 20031094383

1312TrayUral Championship 2004. Round 11682945

1344Gigantic TurnipUSU Championship 20041154228

1369Cockroach RaceUral Championship 2005. Round 23811025

1374MisereUral Championship 2005. Round 1479307

1376Dean's Pyramid 2Ural Championship 2005. Round 13412057

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest528558

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084496

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3511791

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538422

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915253

1394Ships. Version 2927927

1395Pascal vs. C++. Version 22172251

1399Economical Director468699

1415Mobile LifeUSU Championship 2005548265

1432Twofold LuckUSU Personal Contest 2006627183

1438Time Limit ExceededUSU Personal Contest 20061662938

1460WiresPetrozavodsk Winter 2006. USU Contest1154006

1464LightPetrozavodsk Winter 2006. USU Contest1702782

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153973

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1124071

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510728

1536Delights of Pipe-weedUSU Personal Contest 2007527768

1548Sakura and StatisticsUral Championship 20072812555

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517592

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468270

1589SokobanNEERC 2007 Eastern Subregional1023000

1594Aztec Treasure884190

1596Knight Mare318127

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944177

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914301

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest794881

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest536895

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556585

1653Death ConveyorNEERC 2008 Eastern Subregional635863

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606056

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1083592

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844510

1668Death Star 2Petrozavodsk Winter 2008. USU Contest675505

1672Droid fliesPetrozavodsk Summer 2008. USU Contest369177

1674Drunk KingPetrozavodsk Summer 2008. USU Contest625863

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754967

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest339697

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1382817

1708Sum of Digits 2Ural Championship 2009349436

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153199

1763Expert FleaUral Championship 2010655140

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456599

1840Victim of AdvertisingUral Championship 2011416984

1842Local RootsPetrozavodsk Summer 2010. USU Contest515668

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754068

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694377

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest426641

1906The Lost CivilizationUral Championship 2012386619

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239111

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest743580

2016Magic and ScienceNEERC 2014 Eastern Subregional316544

2054AstronomyUral Championship 2015326072

2076VasianaNEERC 2015 Eastern Subregional Qualifier276390

2082PokerUral Championship 2016256556

2131Open CupLater is better than never234877

2137Dynamic string complexityLater is better than never234876
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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