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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 20013911265

1177Like ComparisonsUSU Personal Contest 20023971249

1199Mouse1143903

1216Two Pawns and One KingUSU Championship 20022412042

1239Ghost BustersNEERC 20021553111

1271Sailing DirectionsUSU Championship 20031044549

1312TrayUral Championship 2004. Round 11623030

1344Gigantic TurnipUSU Championship 20041134272

1369Cockroach RaceUral Championship 2005. Round 23312239

1374MisereUral Championship 2005. Round 1439954

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

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest479257

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

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2813885

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest489097

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest875440

1394Ships. Version 22614657

1395Pascal vs. C++. Version 22122288

1399Economical Director419489

1415Mobile LifeUSU Championship 2005489069

1432Twofold LuckUSU Personal Contest 2006567789

1438Time Limit ExceededUSU Personal Contest 20061613006

1460WiresPetrozavodsk Winter 2006. USU Contest1104147

1464LightPetrozavodsk Winter 2006. USU Contest1622893

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1124045

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1074217

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912295

1536Delights of Pipe-weedUSU Personal Contest 2007478392

1548Sakura and StatisticsUral Championship 20072314357

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest428841

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest419015

1589SokobanNEERC 2007 Eastern Subregional530440

1594Aztec Treasure854283

1596Knight Mare269139

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest914266

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874442

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest755069

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest477559

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516958

1653Death ConveyorNEERC 2008 Eastern Subregional586241

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest566368

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1033719

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest814619

1668Death Star 2Petrozavodsk Winter 2008. USU Contest635757

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2910731

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596066

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest725104

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010332

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1322911

1708Sum of Digits 2Ural Championship 20092711122

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133221

1763Expert FleaUral Championship 2010615375

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest436772

1840Victim of AdvertisingUral Championship 2011338189

1842Local RootsPetrozavodsk Summer 2010. USU Contest466101

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714218

1848Fly HuntPetrozavodsk Summer 2010. USU Contest654555

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest367417

1906The Lost CivilizationUral Championship 2012327462

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1710972

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest693750

2016Magic and ScienceNEERC 2014 Eastern Subregional257534

2054AstronomyUral Championship 2015276766

2076VasianaNEERC 2015 Eastern Subregional Qualifier237019

2082PokerUral Championship 2016197745

2131Open CupLater is better than never175765

2137Dynamic string complexityLater is better than never146485
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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