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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5262794

1074Very Short ProblemUSU Personal Contest 20016462105

1148Building TowersDSAP Vietnam Online Contest November 20012761742

1166Funny Card GameNEERC 2001 Northern Subregional1333568

1171Lost in SpaceRomanian Online Contest December 20013841266

1177Like ComparisonsUSU Personal Contest 20023931240

1199Mouse1303395

1216Two Pawns and One KingUSU Championship 20022322084

1239Ghost BustersNEERC 20021533098

1271Sailing DirectionsUSU Championship 20031014598

1312TrayUral Championship 2004. Round 11603018

1344Gigantic TurnipUSU Championship 20041064461

1369Cockroach RaceUral Championship 2005. Round 23112641

1374MisereUral Championship 2005. Round 13910604

1376Dean's Pyramid 2Ural Championship 2005. Round 1449622

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429994

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest944997

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216240

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459449

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855470

1394Ships. Version 22315748

1395Pascal vs. C++. Version 22042335

1399Economical Director3510561

1415Mobile LifeUSU Championship 2005469251

1432Twofold LuckUSU Personal Contest 2006547905

1438Time Limit ExceededUSU Personal Contest 20061592994

1460WiresPetrozavodsk Winter 2006. USU Contest1064216

1464LightPetrozavodsk Winter 2006. USU Contest1582911

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094075

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974532

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613076

1536Delights of Pipe-weedUSU Personal Contest 2007557224

1548Sakura and StatisticsUral Championship 20072214529

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest389388

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389388

1589SokobanNEERC 2007 Eastern Subregional1915429

1594Aztec Treasure764615

1596Knight Mare239627

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844482

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest844482

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725137

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437948

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516799

1653Death ConveyorNEERC 2008 Eastern Subregional526689

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526621

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983801

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804561

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605864

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611353

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566193

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest655450

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710903

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1292902

1708Sum of Digits 2Ural Championship 20092511474

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113190

1763Expert FleaUral Championship 2010595379

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387253

1840Victim of AdvertisingUral Championship 2011308531

1842Local RootsPetrozavodsk Summer 2010. USU Contest396746

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694184

1848Fly HuntPetrozavodsk Summer 2010. USU Contest624591

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337677

1906The Lost CivilizationUral Championship 2012297739

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511376

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection633896

2016Magic and ScienceNEERC 2014 Eastern Subregional198665

2054AstronomyUral Championship 2015207924

2076VasianaQualification of Eastern Subregional 2015178099

2082PokerUral Championship 2016168136

2131Open CupLater is better than never155657

2137Dynamic string complexityLater is better than never136148
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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