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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5482742

1074Very Short ProblemUSU Personal Contest 20016592109

1148Building TowersDSAP Vietnam Online Contest November 20012851725

1166Funny Card GameNEERC 2001 Northern Subregional1413447

1171Lost in SpaceRomanian Online Contest December 20013981248

1177Like ComparisonsUSU Personal Contest 20024001245

1199Mouse1203741

1216Two Pawns and One KingUSU Championship 20022452019

1239Ghost BustersNEERC 20021593050

1271Sailing DirectionsUSU Championship 20031084413

1312TrayUral Championship 2004. Round 11682940

1344Gigantic TurnipUSU Championship 20041154221

1369Cockroach RaceUral Championship 2005. Round 23711242

1374MisereUral Championship 2005. Round 1469459

1376Dean's Pyramid 2Ural Championship 2005. Round 13312318

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest518685

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084490

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3112921

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest528545

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895351

1394Ships. Version 2731164

1395Pascal vs. C++. Version 22162257

1399Economical Director449005

1415Mobile LifeUSU Championship 2005518658

1432Twofold LuckUSU Personal Contest 2006617272

1438Time Limit ExceededUSU Personal Contest 20061652950

1460WiresPetrozavodsk Winter 2006. USU Contest1153999

1464LightPetrozavodsk Winter 2006. USU Contest1682808

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153966

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104131

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510708

1536Delights of Pipe-weedUSU Personal Contest 2007508011

1548Sakura and StatisticsUral Championship 20072613227

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest507703

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest458403

1589SokobanNEERC 2007 Eastern Subregional825503

1594Aztec Treasure864267

1596Knight Mare308300

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944168

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914291

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest784925

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507224

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional546672

1653Death ConveyorNEERC 2008 Eastern Subregional616014

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest586219

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1073614

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844499

1668Death Star 2Petrozavodsk Winter 2008. USU Contest665564

1672Droid fliesPetrozavodsk Summer 2008. USU Contest349571

1674Drunk KingPetrozavodsk Summer 2008. USU Contest615932

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754955

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3110145

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1372829

1708Sum of Digits 2Ural Championship 20092910619

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153191

1763Expert FleaUral Championship 2010645194

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456578

1840Victim of AdvertisingUral Championship 2011397246

1842Local RootsPetrozavodsk Summer 2010. USU Contest515650

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754054

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694362

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest406883

1906The Lost CivilizationUral Championship 2012366880

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239074

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest733608

2016Magic and ScienceNEERC 2014 Eastern Subregional296846

2054AstronomyUral Championship 2015296506

2076VasianaNEERC 2015 Eastern Subregional Qualifier266530

2082PokerUral Championship 2016246709

2131Open CupLater is better than never224983

2137Dynamic string complexityLater is better than never195498
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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