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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5462745

1074Very Short ProblemUSU Personal Contest 20016572110

1148Building TowersDSAP Vietnam Online Contest November 20012841726

1166Funny Card GameNEERC 2001 Northern Subregional1383508

1171Lost in SpaceRomanian Online Contest December 20013941257

1177Like ComparisonsUSU Personal Contest 20023991245

1199Mouse1173818

1216Two Pawns and One KingUSU Championship 20022432029

1239Ghost BustersNEERC 20021563097

1271Sailing DirectionsUSU Championship 20031054516

1312TrayUral Championship 2004. Round 11643000

1344Gigantic TurnipUSU Championship 20041144244

1369Cockroach RaceUral Championship 2005. Round 23411979

1374MisereUral Championship 2005. Round 1449784

1376Dean's Pyramid 2Ural Championship 2005. Round 13212580

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest498956

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064555

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2913549

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest508807

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest885392

1394Ships. Version 22614679

1395Pascal vs. C++. Version 22142271

1399Economical Director429323

1415Mobile LifeUSU Championship 2005498929

1432Twofold LuckUSU Personal Contest 2006587572

1438Time Limit ExceededUSU Personal Contest 20061622994

1460WiresPetrozavodsk Winter 2006. USU Contest1114119

1464LightPetrozavodsk Winter 2006. USU Contest1632881

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143986

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104119

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912318

1536Delights of Pipe-weedUSU Personal Contest 2007488262

1548Sakura and StatisticsUral Championship 20072314384

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest448531

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438692

1589SokobanNEERC 2007 Eastern Subregional628595

1594Aztec Treasure864249

1596Knight Mare288687

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924234

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest884406

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774963

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487445

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526861

1653Death ConveyorNEERC 2008 Eastern Subregional606077

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576288

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063631

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824579

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655617

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3010487

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596080

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735054

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010357

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1342877

1708Sum of Digits 2Ural Championship 20092711148

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143203

1763Expert FleaUral Championship 2010625315

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446667

1840Victim of AdvertisingUral Championship 2011348028

1842Local RootsPetrozavodsk Summer 2010. USU Contest476013

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest724180

1848Fly HuntPetrozavodsk Summer 2010. USU Contest664510

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest377283

1906The Lost CivilizationUral Championship 2012337315

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1910257

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest703718

2016Magic and ScienceNEERC 2014 Eastern Subregional267359

2054AstronomyUral Championship 2015286621

2076VasianaNEERC 2015 Eastern Subregional Qualifier246850

2082PokerUral Championship 2016217287

2131Open CupLater is better than never205236

2137Dynamic string complexityLater is better than never175817
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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