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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1074Very Short ProblemUSU Personal Contest 20016342109

1058ChocolateNEERC 2000 Central Subregional5182789

1177Like ComparisonsUSU Personal Contest 20023861242

1171Lost in SpaceRomanian Online Contest December 20013731281

1148Building TowersDSAP Vietnam Online Contest November 20012731732

1216Two Pawns and One KingUSU Championship 20022302068

1395Pascal vs. C++. Version 22002341

1312TrayUral Championship 2004. Round 11592989

1464LightPetrozavodsk Winter 2006. USU Contest1562896

1438Time Limit ExceededUSU Personal Contest 20061553017

1239Ghost BustersNEERC 20021513087

1166Funny Card GameNEERC 2001 Northern Subregional1323537

1199Mouse1263432

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1252916

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094004

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093160

1460WiresPetrozavodsk Winter 2006. USU Contest1044218

1344Gigantic TurnipUSU Championship 20041034510

1271Sailing DirectionsUSU Championship 2003974696

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973747

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest954538

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest915068

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855388

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844381

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest794627

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest764662

1594Aztec Treasure714779

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715084

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest684098

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613842

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595810

1763Expert FleaUral Championship 2010585308

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566047

1674Drunk KingPetrozavodsk Summer 2008. USU Contest556140

1536Delights of Pipe-weedUSU Personal Contest 2007537316

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535074

1432Twofold LuckUSU Personal Contest 2006528030

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516573

1653Death ConveyorNEERC 2008 Eastern Subregional506753

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional486986

1376Dean's Pyramid 2Ural Championship 2005. Round 1449477

1415Mobile LifeUSU Championship 2005449448

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439658

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429843

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418075

1374MisereUral Championship 2005. Round 13710889

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379398

1842Local RootsPetrozavodsk Summer 2010. USU Contest376801

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369602

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest367337

1399Economical Director3310853

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327600

1840Victim of AdvertisingUral Championship 2011288697

1906The Lost CivilizationUral Championship 2012287644

1369Cockroach RaceUral Championship 2005. Round 22713796

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611086

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513204

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2511248

1708Sum of Digits 2Ural Championship 20092411525

1596Knight Mare239290

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116511

1548Sakura and StatisticsUral Championship 20072015207

1394Ships. Version 21917651

2054AstronomyUral Championship 2015197769

2016Magic and ScienceNEERC 2014 Eastern Subregional188539

2076VasianaQualification of Eastern Subregional 2015167921

1589SokobanNEERC 2007 Eastern Subregional1517538

2082PokerUral Championship 2016157948

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311859

2131Open CupLater is better than never106372

2137Dynamic string complexityLater is better than never96707
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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