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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 20016582110

1148Building TowersDSAP Vietnam Online Contest November 20012841729

1166Funny Card GameNEERC 2001 Northern Subregional1393491

1171Lost in SpaceRomanian Online Contest December 20013981247

1177Like ComparisonsUSU Personal Contest 20023991247

1199Mouse1183796

1216Two Pawns and One KingUSU Championship 20022432033

1239Ghost BustersNEERC 20021563103

1271Sailing DirectionsUSU Championship 20031064485

1312TrayUral Championship 2004. Round 11643005

1344Gigantic TurnipUSU Championship 20041144252

1369Cockroach RaceUral Championship 2005. Round 23511733

1374MisereUral Championship 2005. Round 1459623

1376Dean's Pyramid 2Ural Championship 2005. Round 13212602

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508822

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064563

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013234

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518678

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895347

1394Ships. Version 2731139

1395Pascal vs. C++. Version 22162256

1399Economical Director429342

1415Mobile LifeUSU Championship 2005508796

1432Twofold LuckUSU Personal Contest 2006587586

1438Time Limit ExceededUSU Personal Contest 20061632982

1460WiresPetrozavodsk Winter 2006. USU Contest1134060

1464LightPetrozavodsk Winter 2006. USU Contest1672822

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143994

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104127

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012035

1536Delights of Pipe-weedUSU Personal Contest 2007508004

1548Sakura and StatisticsUral Championship 20072513591

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest478100

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448550

1589SokobanNEERC 2007 Eastern Subregional825476

1594Aztec Treasure864261

1596Knight Mare288722

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest934203

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest904329

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774976

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507215

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional536770

1653Death ConveyorNEERC 2008 Eastern Subregional606093

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576304

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063641

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824591

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655632

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3210015

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606009

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest745008

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010385

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352865

1708Sum of Digits 2Ural Championship 20092810885

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143212

1763Expert FleaUral Championship 2010625331

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456568

1840Victim of AdvertisingUral Championship 2011367706

1842Local RootsPetrozavodsk Summer 2010. USU Contest495831

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest744096

1848Fly HuntPetrozavodsk Summer 2010. USU Contest684411

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest397012

1906The Lost CivilizationUral Championship 2012357020

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest219639

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest723644

2016Magic and ScienceNEERC 2014 Eastern Subregional267399

2054AstronomyUral Championship 2015286660

2076VasianaNEERC 2015 Eastern Subregional Qualifier246894

2082PokerUral Championship 2016236892

2131Open CupLater is better than never205290

2137Dynamic string complexityLater is better than never185668
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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