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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5412765

1074Very Short ProblemUSU Personal Contest 20016552112

1148Building TowersDSAP Vietnam Online Contest November 20012821735

1166Funny Card GameNEERC 2001 Northern Subregional1353575

1171Lost in SpaceRomanian Online Contest December 20013911264

1177Like ComparisonsUSU Personal Contest 20023971249

1199Mouse1133935

1216Two Pawns and One KingUSU Championship 20022412042

1239Ghost BustersNEERC 20021553110

1271Sailing DirectionsUSU Championship 20031044548

1312TrayUral Championship 2004. Round 11623030

1344Gigantic TurnipUSU Championship 20041134272

1369Cockroach RaceUral Championship 2005. Round 23312238

1374MisereUral Championship 2005. Round 1439953

1376Dean's Pyramid 2Ural Championship 2005. Round 13112867

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest479256

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1014753

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2813884

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest489097

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest865496

1394Ships. Version 22614656

1395Pascal vs. C++. Version 22112298

1399Economical Director419488

1415Mobile LifeUSU Championship 2005489069

1432Twofold LuckUSU Personal Contest 2006567789

1438Time Limit ExceededUSU Personal Contest 20061603024

1460WiresPetrozavodsk Winter 2006. USU Contest1104146

1464LightPetrozavodsk Winter 2006. USU Contest1622893

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1124044

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1074217

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912294

1536Delights of Pipe-weedUSU Personal Contest 2007478391

1548Sakura and StatisticsUral Championship 20072314356

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest428841

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest419014

1589SokobanNEERC 2007 Eastern Subregional530438

1594Aztec Treasure854283

1596Knight Mare269138

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest914266

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874441

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest755068

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest477558

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516957

1653Death ConveyorNEERC 2008 Eastern Subregional586241

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest566367

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1033719

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest814618

1668Death Star 2Petrozavodsk Winter 2008. USU Contest635757

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2910730

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596065

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest725104

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010331

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1322910

1708Sum of Digits 2Ural Championship 20092711121

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133220

1763Expert FleaUral Championship 2010615374

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest436771

1840Victim of AdvertisingUral Championship 2011338188

1842Local RootsPetrozavodsk Summer 2010. USU Contest466100

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714217

1848Fly HuntPetrozavodsk Summer 2010. USU Contest654555

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest367416

1906The Lost CivilizationUral Championship 2012327461

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1710971

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest693750

2016Magic and ScienceNEERC 2014 Eastern Subregional257533

2054AstronomyUral Championship 2015276765

2076VasianaNEERC 2015 Eastern Subregional Qualifier237017

2082PokerUral Championship 2016197743

2131Open CupLater is better than never175763

2137Dynamic string complexityLater is better than never146483
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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