ENG  RUSTimus Online Judge
Online Judge
Online contests
About Online Judge
Frequently asked questions
Site news
Problem set
Submit solution
Judge status
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests

Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4402907

1074Very Short ProblemUSU Personal Contest 20015762061

1148Building TowersDSAP Vietnam Online Contest November 20012381762

1166Funny Card GameNEERC 2001 Northern Subregional1163574

1171Lost in SpaceRomanian Online Contest December 20013251306

1177Like ComparisonsUSU Personal Contest 20023221321


1216Two Pawns and One KingUSU Championship 20022082035

1239Ghost BustersNEERC 20021422924

1271Sailing DirectionsUSU Championship 2003854742

1312TrayUral Championship 2004. Round 11482870

1344Gigantic TurnipUSU Championship 2004924495

1369Cockroach RaceUral Championship 2005. Round 22214354

1374MisereUral Championship 2005. Round 12911816

1376Dean's Pyramid 2Ural Championship 2005. Round 1389600

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313967

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest775298

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816461

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379806

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795179

1394Ships. Version 2727113

1395Pascal vs. C++. Version 21582610

1399Economical Director2810816

1415Mobile LifeUSU Championship 2005399368

1432Twofold LuckUSU Personal Contest 2006448249

1438Time Limit ExceededUSU Personal Contest 20061343093

1460WiresPetrozavodsk Winter 2006. USU Contest944102

1464LightPetrozavodsk Winter 2006. USU Contest1382882

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest993870

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest685409

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212687

1536Delights of Pipe-weedUSU Personal Contest 2007496858

1548Sakura and StatisticsUral Championship 20071814266

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2311619

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329129

1589SokobanNEERC 2007 Eastern Subregional821102

1594Aztec Treasure574823

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605006

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest644736

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest446490

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377456

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional397002

1653Death ConveyorNEERC 2008 Eastern Subregional387147

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest436385

1661DodecahedronPetrozavodsk Winter 2008. USU Contest724126

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664452

1668Death Star 2Petrozavodsk Winter 2008. USU Contest456152

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2110850

1674Drunk KingPetrozavodsk Summer 2008. USU Contest456116

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308409

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2110658

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1032924

1708Sum of Digits 2Ural Championship 20091612629

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1002826

1763Expert FleaUral Championship 2010435552

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest316545

1840Victim of AdvertisingUral Championship 2011228144

1842Local RootsPetrozavodsk Summer 2010. USU Contest325920

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest613502

1848Fly HuntPetrozavodsk Summer 2010. USU Contest355525

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest286529

1906The Lost CivilizationUral Championship 2012236558

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection109842

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection453579

2016Magic and ScienceNEERC 2014 Eastern Subregional156387

2076VasianaQualification of Eastern Subregional 201596476

2082PokerUral Championship 201667191