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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5182784

1074Very Short ProblemUSU Personal Contest 20016322112

1148Building TowersDSAP Vietnam Online Contest November 20012741723

1166Funny Card GameNEERC 2001 Northern Subregional1333507

1171Lost in SpaceRomanian Online Contest December 20013741275

1177Like ComparisonsUSU Personal Contest 20023861240

1199Mouse1273401

1216Two Pawns and One KingUSU Championship 20022312056

1239Ghost BustersNEERC 20021523063

1271Sailing DirectionsUSU Championship 2003974688

1312TrayUral Championship 2004. Round 11602967

1344Gigantic TurnipUSU Championship 20041044463

1369Cockroach RaceUral Championship 2005. Round 22813411

1374MisereUral Championship 2005. Round 13810645

1376Dean's Pyramid 2Ural Championship 2005. Round 1449462

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439642

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest925010

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116485

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest449463

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865323

1394Ships. Version 21718928

1395Pascal vs. C++. Version 22002336

1399Economical Director3410586

1415Mobile LifeUSU Championship 2005459261

1432Twofold LuckUSU Personal Contest 2006537889

1438Time Limit ExceededUSU Personal Contest 20061543031

1460WiresPetrozavodsk Winter 2006. USU Contest1054173

1464LightPetrozavodsk Winter 2006. USU Contest1562891

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1103964

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest964487

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513178

1536Delights of Pipe-weedUSU Personal Contest 2007547187

1548Sakura and StatisticsUral Championship 20071816260

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369582

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389182

1589SokobanNEERC 2007 Eastern Subregional1418229

1594Aztec Treasure724708

1596Knight Mare239255

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854325

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest804565

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725010

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest427901

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional496850

1653Death ConveyorNEERC 2008 Eastern Subregional516626

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526450

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983703

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774597

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605713

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2710759

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566032

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest575942

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2610907

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262887

1708Sum of Digits 2Ural Championship 20092411494

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103124

1763Expert FleaUral Championship 2010595215

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377157

1840Victim of AdvertisingUral Championship 2011298445

1842Local RootsPetrozavodsk Summer 2010. USU Contest386636

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694032

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535056

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337396

1906The Lost CivilizationUral Championship 2012297417

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311805

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection623772

2016Magic and ScienceNEERC 2014 Eastern Subregional188493

2054AstronomyUral Championship 2015207466

2076VasianaQualification of Eastern Subregional 2015167869

2082PokerUral Championship 2016167590

2131Open CupLater is better than never106298

2137Dynamic string complexityLater is better than never96629
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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