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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5202795

1074Very Short ProblemUSU Personal Contest 20016352118

1148Building TowersDSAP Vietnam Online Contest November 20012741736

1166Funny Card GameNEERC 2001 Northern Subregional1323557

1171Lost in SpaceRomanian Online Contest December 20013751282

1177Like ComparisonsUSU Personal Contest 20023891240

1199Mouse1283405

1216Two Pawns and One KingUSU Championship 20022302080

1239Ghost BustersNEERC 20021523086

1271Sailing DirectionsUSU Championship 2003984679

1312TrayUral Championship 2004. Round 11593006

1344Gigantic TurnipUSU Championship 20041034535

1369Cockroach RaceUral Championship 2005. Round 22813506

1374MisereUral Championship 2005. Round 13710948

1376Dean's Pyramid 2Ural Championship 2005. Round 1449529

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429897

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest925046

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116601

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439710

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855417

1394Ships. Version 22116602

1395Pascal vs. C++. Version 22012343

1399Economical Director3410676

1415Mobile LifeUSU Championship 2005449500

1432Twofold LuckUSU Personal Contest 2006547824

1438Time Limit ExceededUSU Personal Contest 20061553035

1460WiresPetrozavodsk Winter 2006. USU Contest1054207

1464LightPetrozavodsk Winter 2006. USU Contest1562914

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094030

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974481

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513291

1536Delights of Pipe-weedUSU Personal Contest 2007557138

1548Sakura and StatisticsUral Championship 20072015311

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379466

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389269

1589SokobanNEERC 2007 Eastern Subregional1815774

1594Aztec Treasure724764

1596Knight Mare239410

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844417

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest804613

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715126

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418141

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487045

1653Death ConveyorNEERC 2008 Eastern Subregional506810

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516629

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973779

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774648

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595860

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611181

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566099

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566099

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2611032

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1272899

1708Sum of Digits 2Ural Championship 20092411627

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093189

1763Expert FleaUral Championship 2010595284

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377262

1840Victim of AdvertisingUral Championship 2011298573

1842Local RootsPetrozavodsk Summer 2010. USU Contest396603

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694096

1848Fly HuntPetrozavodsk Summer 2010. USU Contest564902

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337513

1906The Lost CivilizationUral Championship 2012297552

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1312039

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613901

2016Magic and ScienceNEERC 2014 Eastern Subregional198395

2054AstronomyUral Championship 2015197922

2076VasianaQualification of Eastern Subregional 2015177796

2082PokerUral Championship 2016158131

2131Open CupLater is better than never135758

2137Dynamic string complexityLater is better than never126019
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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