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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5482740

1074Very Short ProblemUSU Personal Contest 20016582111

1148Building TowersDSAP Vietnam Online Contest November 20012841730

1166Funny Card GameNEERC 2001 Northern Subregional1393491

1171Lost in SpaceRomanian Online Contest December 20013981247

1177Like ComparisonsUSU Personal Contest 20023991247

1199Mouse1193767

1216Two Pawns and One KingUSU Championship 20022442025

1239Ghost BustersNEERC 20021573084

1271Sailing DirectionsUSU Championship 20031064486

1312TrayUral Championship 2004. Round 11643006

1344Gigantic TurnipUSU Championship 20041144253

1369Cockroach RaceUral Championship 2005. Round 23611480

1374MisereUral Championship 2005. Round 1459625

1376Dean's Pyramid 2Ural Championship 2005. Round 13212604

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508824

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064564

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013236

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518679

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895348

1394Ships. Version 2731144

1395Pascal vs. C++. Version 22162256

1399Economical Director429344

1415Mobile LifeUSU Championship 2005508797

1432Twofold LuckUSU Personal Contest 2006587588

1438Time Limit ExceededUSU Personal Contest 20061632982

1460WiresPetrozavodsk Winter 2006. USU Contest1134061

1464LightPetrozavodsk Winter 2006. USU Contest1672822

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143995

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104128

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012037

1536Delights of Pipe-weedUSU Personal Contest 2007508005

1548Sakura and StatisticsUral Championship 20072513594

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest478102

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448552

1589SokobanNEERC 2007 Eastern Subregional825482

1594Aztec Treasure864262

1596Knight Mare288725

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest934204

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest904330

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774977

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507217

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional536771

1653Death ConveyorNEERC 2008 Eastern Subregional606094

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576306

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063642

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824592

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655633

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3210017

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606010

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest745009

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010388

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352866

1708Sum of Digits 2Ural Championship 20092810888

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143213

1763Expert FleaUral Championship 2010625333

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456570

1840Victim of AdvertisingUral Championship 2011367709

1842Local RootsPetrozavodsk Summer 2010. USU Contest495833

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest744097

1848Fly HuntPetrozavodsk Summer 2010. USU Contest684412

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest397014

1906The Lost CivilizationUral Championship 2012357023

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest219643

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest723646

2016Magic and ScienceNEERC 2014 Eastern Subregional277203

2054AstronomyUral Championship 2015286663

2076VasianaNEERC 2015 Eastern Subregional Qualifier246898

2082PokerUral Championship 2016236896

2131Open CupLater is better than never205295

2137Dynamic string complexityLater is better than never185673
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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