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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5472744

1074Very Short ProblemUSU Personal Contest 20016582110

1148Building TowersDSAP Vietnam Online Contest November 20012841729

1166Funny Card GameNEERC 2001 Northern Subregional1393490

1171Lost in SpaceRomanian Online Contest December 20013981247

1177Like ComparisonsUSU Personal Contest 20023991247

1199Mouse1173825

1216Two Pawns and One KingUSU Championship 20022432032

1239Ghost BustersNEERC 20021563102

1271Sailing DirectionsUSU Championship 20031064484

1312TrayUral Championship 2004. Round 11643004

1344Gigantic TurnipUSU Championship 20041144251

1369Cockroach RaceUral Championship 2005. Round 23511730

1374MisereUral Championship 2005. Round 1449799

1376Dean's Pyramid 2Ural Championship 2005. Round 13212598

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508820

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064562

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013230

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518676

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895346

1394Ships. Version 2731131

1395Pascal vs. C++. Version 22162255

1399Economical Director429339

1415Mobile LifeUSU Championship 2005508793

1432Twofold LuckUSU Personal Contest 2006587584

1438Time Limit ExceededUSU Personal Contest 20061632981

1460WiresPetrozavodsk Winter 2006. USU Contest1134059

1464LightPetrozavodsk Winter 2006. USU Contest1662837

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143993

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104126

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012031

1536Delights of Pipe-weedUSU Personal Contest 2007508001

1548Sakura and StatisticsUral Championship 20072513587

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest468242

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448547

1589SokobanNEERC 2007 Eastern Subregional726965

1594Aztec Treasure864259

1596Knight Mare288717

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924243

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest894371

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774974

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487461

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526876

1653Death ConveyorNEERC 2008 Eastern Subregional606090

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576302

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063640

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824589

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655630

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3110255

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606007

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735066

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010381

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352864

1708Sum of Digits 2Ural Championship 20092810880

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143211

1763Expert FleaUral Championship 2010625329

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446686

1840Victim of AdvertisingUral Championship 2011367702

1842Local RootsPetrozavodsk Summer 2010. USU Contest485928

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest734143

1848Fly HuntPetrozavodsk Summer 2010. USU Contest674466

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest387154

1906The Lost CivilizationUral Championship 2012347175

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest209953

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest713687

2016Magic and ScienceNEERC 2014 Eastern Subregional267393

2054AstronomyUral Championship 2015286654

2076VasianaNEERC 2015 Eastern Subregional Qualifier246887

2082PokerUral Championship 2016236884

2131Open CupLater is better than never205282

2137Dynamic string complexityLater is better than never185659
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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