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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 20016612108

1148Building TowersDSAP Vietnam Online Contest November 20012851729

1166Funny Card GameNEERC 2001 Northern Subregional1423433

1171Lost in SpaceRomanian Online Contest December 20014001245

1177Like ComparisonsUSU Personal Contest 20024011245

1199Mouse1213723

1216Two Pawns and One KingUSU Championship 20022452024

1239Ghost BustersNEERC 20021603040

1271Sailing DirectionsUSU Championship 20031104350

1312TrayUral Championship 2004. Round 11682947

1344Gigantic TurnipUSU Championship 20041154231

1369Cockroach RaceUral Championship 2005. Round 23811035

1374MisereUral Championship 2005. Round 1489155

1376Dean's Pyramid 2Ural Championship 2005. Round 13511799

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest538429

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1094462

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3511801

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538429

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915258

1394Ships. Version 21224139

1395Pascal vs. C++. Version 22182243

1399Economical Director478555

1415Mobile LifeUSU Championship 2005548272

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 Contest1124074

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3610506

1536Delights of Pipe-weedUSU Personal Contest 2007527776

1548Sakura and StatisticsUral Championship 20072912246

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517601

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468279

1589SokobanNEERC 2007 Eastern Subregional1023026

1594Aztec Treasure884196

1596Knight Mare318142

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944182

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest924264

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest794887

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest536904

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556593

1653Death ConveyorNEERC 2008 Eastern Subregional635870

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 Contest675512

1672Droid fliesPetrozavodsk Summer 2008. USU Contest369189

1674Drunk KingPetrozavodsk Summer 2008. USU Contest625871

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest774859

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest349489

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 Contest456610

1840Victim of AdvertisingUral Championship 2011416996

1842Local RootsPetrozavodsk Summer 2010. USU Contest515679

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754075

1848Fly HuntPetrozavodsk Summer 2010. USU Contest704330

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest426653

1906The Lost CivilizationUral Championship 2012386632

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239131

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest743588

2016Magic and ScienceNEERC 2014 Eastern Subregional326405

2054AstronomyUral Championship 2015326089

2076VasianaNEERC 2015 Eastern Subregional Qualifier276409

2082PokerUral Championship 2016256577

2131Open CupLater is better than never234901

2137Dynamic string complexityLater is better than never234901
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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