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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5492739

1074Very Short ProblemUSU Personal Contest 20016602107

1148Building TowersDSAP Vietnam Online Contest November 20012851726

1166Funny Card GameNEERC 2001 Northern Subregional1413450

1171Lost in SpaceRomanian Online Contest December 20013981249

1177Like ComparisonsUSU Personal Contest 20024001246

1199Mouse1213716

1216Two Pawns and One KingUSU Championship 20022452020

1239Ghost BustersNEERC 20021603034

1271Sailing DirectionsUSU Championship 20031084416

1312TrayUral Championship 2004. Round 11682942

1344Gigantic TurnipUSU Championship 20041154224

1369Cockroach RaceUral Championship 2005. Round 23711250

1374MisereUral Championship 2005. Round 1479299

1376Dean's Pyramid 2Ural Championship 2005. Round 13412046

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest528550

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084492

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3312328

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538414

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915249

1394Ships. Version 2829452

1395Pascal vs. C++. Version 22172249

1399Economical Director449012

1415Mobile LifeUSU Championship 2005538389

1432Twofold LuckUSU Personal Contest 2006627176

1438Time Limit ExceededUSU Personal Contest 20061662935

1460WiresPetrozavodsk Winter 2006. USU Contest1154002

1464LightPetrozavodsk Winter 2006. USU Contest1682810

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153969

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104134

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510716

1536Delights of Pipe-weedUSU Personal Contest 2007517886

1548Sakura and StatisticsUral Championship 20072812541

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517583

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468260

1589SokobanNEERC 2007 Eastern Subregional924182

1594Aztec Treasure884184

1596Knight Mare318110

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944172

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914295

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest784930

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest526997

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556576

1653Death ConveyorNEERC 2008 Eastern Subregional635855

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606048

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1073618

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844503

1668Death Star 2Petrozavodsk Winter 2008. USU Contest675498

1672Droid fliesPetrozavodsk Summer 2008. USU Contest359368

1674Drunk KingPetrozavodsk Summer 2008. USU Contest615938

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754960

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest329913

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1382813

1708Sum of Digits 2Ural Championship 20093110112

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153195

1763Expert FleaUral Championship 2010645201

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456587

1840Victim of AdvertisingUral Championship 2011416971

1842Local RootsPetrozavodsk Summer 2010. USU Contest515657

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754060

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694368

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest416758

1906The Lost CivilizationUral Championship 2012376745

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239089

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest733614

2016Magic and ScienceNEERC 2014 Eastern Subregional316526

2054AstronomyUral Championship 2015326054

2076VasianaNEERC 2015 Eastern Subregional Qualifier266545

2082PokerUral Championship 2016256533

2131Open CupLater is better than never225002

2137Dynamic string complexityLater is better than never205335
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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