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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5512735

1074Very Short ProblemUSU Personal Contest 20016612109

1148Building TowersDSAP Vietnam Online Contest November 20012851729

1166Funny Card GameNEERC 2001 Northern Subregional1423434

1171Lost in SpaceRomanian Online Contest December 20014001246

1177Like ComparisonsUSU Personal Contest 20024011245

1199Mouse1213724

1216Two Pawns and One KingUSU Championship 20022452024

1239Ghost BustersNEERC 20021603040

1271Sailing DirectionsUSU Championship 20031104350

1312TrayUral Championship 2004. Round 11682948

1344Gigantic TurnipUSU Championship 20041154232

1369Cockroach RaceUral Championship 2005. Round 23811036

1374MisereUral Championship 2005. Round 1489155

1376Dean's Pyramid 2Ural Championship 2005. Round 13511800

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest538430

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1094463

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3511802

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538430

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915258

1394Ships. Version 21224140

1395Pascal vs. C++. Version 22182244

1399Economical Director478556

1415Mobile LifeUSU Championship 2005548273

1432Twofold LuckUSU Personal Contest 2006627189

1438Time Limit ExceededUSU Personal Contest 20061662941

1460WiresPetrozavodsk Winter 2006. USU Contest1154010

1464LightPetrozavodsk Winter 2006. USU Contest1712769

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153977

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1124075

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3610507

1536Delights of Pipe-weedUSU Personal Contest 2007527776

1548Sakura and StatisticsUral Championship 20072912247

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517601

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468280

1589SokobanNEERC 2007 Eastern Subregional1023028

1594Aztec Treasure884196

1596Knight Mare318143

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944183

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest924265

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest794888

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest536905

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556594

1653Death ConveyorNEERC 2008 Eastern Subregional635871

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606064

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1083597

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest854468

1668Death Star 2Petrozavodsk Winter 2008. USU Contest675513

1672Droid fliesPetrozavodsk Summer 2008. USU Contest369190

1674Drunk KingPetrozavodsk Summer 2008. USU Contest625872

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest774859

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest349490

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1392802

1708Sum of Digits 2Ural Championship 2009349449

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153204

1763Expert FleaUral Championship 2010665080

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456611

1840Victim of AdvertisingUral Championship 2011416997

1842Local RootsPetrozavodsk Summer 2010. USU Contest515679

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754076

1848Fly HuntPetrozavodsk Summer 2010. USU Contest704331

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest426654

1906The Lost CivilizationUral Championship 2012386633

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239133

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest743588

2016Magic and ScienceNEERC 2014 Eastern Subregional326406

2054AstronomyUral Championship 2015326090

2076VasianaNEERC 2015 Eastern Subregional Qualifier276411

2082PokerUral Championship 2016256578

2131Open CupLater is better than never234903

2137Dynamic string complexityLater is better than never234902
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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