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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5462746

1074Very Short ProblemUSU Personal Contest 20016572111

1148Building TowersDSAP Vietnam Online Contest November 20012841727

1166Funny Card GameNEERC 2001 Northern Subregional1383510

1171Lost in SpaceRomanian Online Contest December 20013941258

1177Like ComparisonsUSU Personal Contest 20023991245

1199Mouse1173821

1216Two Pawns and One KingUSU Championship 20022432030

1239Ghost BustersNEERC 20021563099

1271Sailing DirectionsUSU Championship 20031054519

1312TrayUral Championship 2004. Round 11643002

1344Gigantic TurnipUSU Championship 20041144247

1369Cockroach RaceUral Championship 2005. Round 23411985

1374MisereUral Championship 2005. Round 1449790

1376Dean's Pyramid 2Ural Championship 2005. Round 13212587

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest498961

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064558

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2913557

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest508812

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest885395

1394Ships. Version 22714290

1395Pascal vs. C++. Version 22142273

1399Economical Director429329

1415Mobile LifeUSU Championship 2005498934

1432Twofold LuckUSU Personal Contest 2006587577

1438Time Limit ExceededUSU Personal Contest 20061622995

1460WiresPetrozavodsk Winter 2006. USU Contest1124088

1464LightPetrozavodsk Winter 2006. USU Contest1652850

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143989

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104122

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912326

1536Delights of Pipe-weedUSU Personal Contest 2007488268

1548Sakura and StatisticsUral Championship 20072314394

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest448537

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438698

1589SokobanNEERC 2007 Eastern Subregional628616

1594Aztec Treasure864253

1596Knight Mare288698

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924237

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest894365

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774967

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487451

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526867

1653Death ConveyorNEERC 2008 Eastern Subregional606082

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576293

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063635

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824583

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655621

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3010496

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596085

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735059

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010366

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1342879

1708Sum of Digits 2Ural Championship 20092711158

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143206

1763Expert FleaUral Championship 2010625320

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446674

1840Victim of AdvertisingUral Championship 2011348037

1842Local RootsPetrozavodsk Summer 2010. USU Contest476020

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest734134

1848Fly HuntPetrozavodsk Summer 2010. USU Contest664515

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest377292

1906The Lost CivilizationUral Championship 2012337325

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1910271

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest703724

2016Magic and ScienceNEERC 2014 Eastern Subregional267372

2054AstronomyUral Championship 2015286633

2076VasianaNEERC 2015 Eastern Subregional Qualifier246864

2082PokerUral Championship 2016217303

2131Open CupLater is better than never205253

2137Dynamic string complexityLater is better than never175836
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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