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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5472743

1074Very Short ProblemUSU Personal Contest 20016572112

1148Building TowersDSAP Vietnam Online Contest November 20012841728

1166Funny Card GameNEERC 2001 Northern Subregional1393489

1171Lost in SpaceRomanian Online Contest December 20013981246

1177Like ComparisonsUSU Personal Contest 20023991246

1199Mouse1173823

1216Two Pawns and One KingUSU Championship 20022432032

1239Ghost BustersNEERC 20021563101

1271Sailing DirectionsUSU Championship 20031054522

1312TrayUral Championship 2004. Round 11643004

1344Gigantic TurnipUSU Championship 20041144249

1369Cockroach RaceUral Championship 2005. Round 23411993

1374MisereUral Championship 2005. Round 1449796

1376Dean's Pyramid 2Ural Championship 2005. Round 13212595

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest498967

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064561

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2913565

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest508817

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895344

1394Ships. Version 2731122

1395Pascal vs. C++. Version 22152264

1399Economical Director429336

1415Mobile LifeUSU Championship 2005508791

1432Twofold LuckUSU Personal Contest 2006587582

1438Time Limit ExceededUSU Personal Contest 20061632980

1460WiresPetrozavodsk Winter 2006. USU Contest1124091

1464LightPetrozavodsk Winter 2006. USU Contest1652852

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143992

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104125

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012027

1536Delights of Pipe-weedUSU Personal Contest 2007498134

1548Sakura and StatisticsUral Championship 20072513582

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest468239

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438705

1589SokobanNEERC 2007 Eastern Subregional726955

1594Aztec Treasure864257

1596Knight Mare288711

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924241

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest894369

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774972

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487458

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526873

1653Death ConveyorNEERC 2008 Eastern Subregional606087

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576299

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063638

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824587

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655627

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3110250

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606004

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735063

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010376

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1342882

1708Sum of Digits 2Ural Championship 20092711169

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143209

1763Expert FleaUral Championship 2010625326

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446682

1840Victim of AdvertisingUral Championship 2011357868

1842Local RootsPetrozavodsk Summer 2010. USU Contest485925

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest734140

1848Fly HuntPetrozavodsk Summer 2010. USU Contest664521

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest377301

1906The Lost CivilizationUral Championship 2012337336

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest209945

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest713684

2016Magic and ScienceNEERC 2014 Eastern Subregional267386

2054AstronomyUral Championship 2015286647

2076VasianaNEERC 2015 Eastern Subregional Qualifier246880

2082PokerUral Championship 2016236877

2131Open CupLater is better than never205273

2137Dynamic string complexityLater is better than never175858
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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