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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5582712

1074Very Short ProblemUSU Personal Contest 20016632110

1148Building TowersDSAP Vietnam Online Contest November 20012901707

1166Funny Card GameNEERC 2001 Northern Subregional1453379

1171Lost in SpaceRomanian Online Contest December 20014021244

1177Like ComparisonsUSU Personal Contest 20024081229

1199Mouse1273575

1216Two Pawns and One KingUSU Championship 20022482008

1239Ghost BustersNEERC 20021623015

1271Sailing DirectionsUSU Championship 20031134259

1312TrayUral Championship 2004. Round 11702925

1344Gigantic TurnipUSU Championship 20041184147

1369Cockroach RaceUral Championship 2005. Round 24310029

1374MisereUral Championship 2005. Round 1528594

1376Dean's Pyramid 2Ural Championship 2005. Round 13811100

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest568074

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1134332

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest4010658

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest558198

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest935174

1394Ships. Version 22714403

1395Pascal vs. C++. Version 22232204

1399Economical Director498299

1415Mobile LifeUSU Championship 2005577930

1432Twofold LuckUSU Personal Contest 2006656927

1438Time Limit ExceededUSU Personal Contest 20061682918

1460WiresPetrozavodsk Winter 2006. USU Contest1183931

1464LightPetrozavodsk Winter 2006. USU Contest1732750

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1193869

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1173930

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest409706

1536Delights of Pipe-weedUSU Personal Contest 2007567335

1548Sakura and StatisticsUral Championship 20073410901

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest547277

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest488030

1589SokobanNEERC 2007 Eastern Subregional2314019

1594Aztec Treasure934015

1596Knight Mare347647

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest974086

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest944204

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest814804

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest566624

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional576430

1653Death ConveyorNEERC 2008 Eastern Subregional655744

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest625927

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113527

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest884354

1668Death Star 2Petrozavodsk Winter 2008. USU Contest695402

1672Droid fliesPetrozavodsk Summer 2008. USU Contest418333

1674Drunk KingPetrozavodsk Summer 2008. USU Contest645743

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest794775

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest369126

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1432744

1708Sum of Digits 2Ural Championship 2009369088

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193123

1763Expert FleaUral Championship 2010684980

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476422

1840Victim of AdvertisingUral Championship 2011436780

1842Local RootsPetrozavodsk Summer 2010. USU Contest535539

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793921

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724256

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest446454

1906The Lost CivilizationUral Championship 2012426174

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest278218

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest783456

2016Magic and ScienceNEERC 2014 Eastern Subregional346179

2054AstronomyUral Championship 2015345879

2076VasianaNEERC 2015 Eastern Subregional Qualifier296158

2082PokerUral Championship 2016286137

2131Open CupLater is better than never274460

2137Dynamic string complexityLater is better than never264584
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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