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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5472742

1074Very Short ProblemUSU Personal Contest 20016572111

1148Building TowersDSAP Vietnam Online Contest November 20012841728

1166Funny Card GameNEERC 2001 Northern Subregional1383511

1171Lost in SpaceRomanian Online Contest December 20013981246

1177Like ComparisonsUSU Personal Contest 20023991246

1199Mouse1173822

1216Two Pawns and One KingUSU Championship 20022432031

1239Ghost BustersNEERC 20021563100

1271Sailing DirectionsUSU Championship 20031054520

1312TrayUral Championship 2004. Round 11643003

1344Gigantic TurnipUSU Championship 20041144248

1369Cockroach RaceUral Championship 2005. Round 23411989

1374MisereUral Championship 2005. Round 1449793

1376Dean's Pyramid 2Ural Championship 2005. Round 13212591

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest498964

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064559

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2913561

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest508815

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest885397

1394Ships. Version 22714294

1395Pascal vs. C++. Version 22142273

1399Economical Director429332

1415Mobile LifeUSU Championship 2005498937

1432Twofold LuckUSU Personal Contest 2006587579

1438Time Limit ExceededUSU Personal Contest 20061622996

1460WiresPetrozavodsk Winter 2006. USU Contest1124089

1464LightPetrozavodsk Winter 2006. USU Contest1652851

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143990

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104123

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912330

1536Delights of Pipe-weedUSU Personal Contest 2007498131

1548Sakura and StatisticsUral Championship 20072413976

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest458385

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438701

1589SokobanNEERC 2007 Eastern Subregional628627

1594Aztec Treasure864255

1596Knight Mare288704

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924239

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest894367

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774969

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487454

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526870

1653Death ConveyorNEERC 2008 Eastern Subregional606084

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576296

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063636

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824585

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655624

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3010501

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596088

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735061

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010371

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1342881

1708Sum of Digits 2Ural Championship 20092711163

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143208

1763Expert FleaUral Championship 2010625323

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446678

1840Victim of AdvertisingUral Championship 2011348042

1842Local RootsPetrozavodsk Summer 2010. USU Contest476024

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest734137

1848Fly HuntPetrozavodsk Summer 2010. USU Contest664518

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest377296

1906The Lost CivilizationUral Championship 2012337330

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1910279

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest703727

2016Magic and ScienceNEERC 2014 Eastern Subregional267378

2054AstronomyUral Championship 2015286640

2076VasianaNEERC 2015 Eastern Subregional Qualifier246871

2082PokerUral Championship 2016217311

2131Open CupLater is better than never205262

2137Dynamic string complexityLater is better than never175846
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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