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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 20016582109

1148Building TowersDSAP Vietnam Online Contest November 20012841728

1166Funny Card GameNEERC 2001 Northern Subregional1393489

1171Lost in SpaceRomanian Online Contest December 20013981247

1177Like ComparisonsUSU Personal Contest 20023991246

1199Mouse1173824

1216Two Pawns and One KingUSU Championship 20022432032

1239Ghost BustersNEERC 20021563101

1271Sailing DirectionsUSU Championship 20031064483

1312TrayUral Championship 2004. Round 11643004

1344Gigantic TurnipUSU Championship 20041144250

1369Cockroach RaceUral Championship 2005. Round 23511728

1374MisereUral Championship 2005. Round 1449797

1376Dean's Pyramid 2Ural Championship 2005. Round 13212596

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508819

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064561

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013228

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518674

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895345

1394Ships. Version 2731126

1395Pascal vs. C++. Version 22162254

1399Economical Director429338

1415Mobile LifeUSU Championship 2005508792

1432Twofold LuckUSU Personal Contest 2006587583

1438Time Limit ExceededUSU Personal Contest 20061632980

1460WiresPetrozavodsk Winter 2006. USU Contest1134058

1464LightPetrozavodsk Winter 2006. USU Contest1662836

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143992

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104125

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012029

1536Delights of Pipe-weedUSU Personal Contest 2007498135

1548Sakura and StatisticsUral Championship 20072513584

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest468240

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438707

1589SokobanNEERC 2007 Eastern Subregional726960

1594Aztec Treasure864258

1596Knight Mare288713

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924242

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest894370

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774973

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487459

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526875

1653Death ConveyorNEERC 2008 Eastern Subregional606089

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576300

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063639

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824588

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655628

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3110252

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606005

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735065

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010378

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352863

1708Sum of Digits 2Ural Championship 20092711172

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143210

1763Expert FleaUral Championship 2010625327

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446684

1840Victim of AdvertisingUral Championship 2011367700

1842Local RootsPetrozavodsk Summer 2010. USU Contest485926

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest734141

1848Fly HuntPetrozavodsk Summer 2010. USU Contest674464

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest387151

1906The Lost CivilizationUral Championship 2012347172

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest209949

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest713685

2016Magic and ScienceNEERC 2014 Eastern Subregional267389

2054AstronomyUral Championship 2015286650

2076VasianaNEERC 2015 Eastern Subregional Qualifier246883

2082PokerUral Championship 2016236880

2131Open CupLater is better than never205277

2137Dynamic string complexityLater is better than never185653
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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