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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1074Very Short ProblemUSU Personal Contest 20016322113

1058ChocolateNEERC 2000 Central Subregional5182786

1177Like ComparisonsUSU Personal Contest 20023861240

1171Lost in SpaceRomanian Online Contest December 20013741276

1148Building TowersDSAP Vietnam Online Contest November 20012741724

1216Two Pawns and One KingUSU Championship 20022312057

1395Pascal vs. C++. Version 22012327

1312TrayUral Championship 2004. Round 11602968

1464LightPetrozavodsk Winter 2006. USU Contest1562893

1438Time Limit ExceededUSU Personal Contest 20061553014

1239Ghost BustersNEERC 20021523064

1166Funny Card GameNEERC 2001 Northern Subregional1333509

1199Mouse1273403

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262890

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1103966

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103127

1460WiresPetrozavodsk Winter 2006. USU Contest1054176

1344Gigantic TurnipUSU Championship 20041044466

1271Sailing DirectionsUSU Championship 2003984647

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983706

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest964490

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest925013

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865326

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854328

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest804569

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774601

1594Aztec Treasure724712

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725014

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694037

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection623777

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605718

1763Expert FleaUral Championship 2010595221

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest575947

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566037

1536Delights of Pipe-weedUSU Personal Contest 2007547192

1432Twofold LuckUSU Personal Contest 2006537894

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535062

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526456

1653Death ConveyorNEERC 2008 Eastern Subregional516631

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional496856

1415Mobile LifeUSU Championship 2005459266

1376Dean's Pyramid 2Ural Championship 2005. Round 1449467

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest449469

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439647

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest427907

1374MisereUral Championship 2005. Round 13810651

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389189

1842Local RootsPetrozavodsk Summer 2010. USU Contest386644

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379385

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377165

1399Economical Director3410593

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337405

1840Victim of AdvertisingUral Championship 2011298455

1906The Lost CivilizationUral Championship 2012297427

1369Cockroach RaceUral Championship 2005. Round 22813418

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2710768

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2610917

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513186

1708Sum of Digits 2Ural Championship 20092511176

1596Knight Mare248994

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116494

2054AstronomyUral Championship 2015207481

1548Sakura and StatisticsUral Championship 20071915710

2016Magic and ScienceNEERC 2014 Eastern Subregional188509

1394Ships. Version 21718938

2076VasianaQualification of Eastern Subregional 2015167886

2082PokerUral Championship 2016167608

1589SokobanNEERC 2007 Eastern Subregional1418242

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311823

2131Open CupLater is better than never106323

2137Dynamic string complexityLater is better than never96655
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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