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 Subregional4272867

1074Very Short ProblemUSU Personal Contest 20015492069

1148Building TowersDSAP Vietnam Online Contest November 20012081922

1166Funny Card GameNEERC 2001 Northern Subregional1163435

1171Lost in SpaceRomanian Online Contest December 20013111307

1177Like ComparisonsUSU Personal Contest 20023121307


1216Two Pawns and One KingUSU Championship 20022041990

1239Ghost BustersNEERC 20021412826

1271Sailing DirectionsUSU Championship 2003854557

1312TrayUral Championship 2004. Round 11452813

1344Gigantic TurnipUSU Championship 2004884502

1369Cockroach RaceUral Championship 2005. Round 22114260

1374MisereUral Championship 2005. Round 12811673

1376Dean's Pyramid 2Ural Championship 2005. Round 1389241

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313444

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest745282

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815845

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest369645

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775100

1394Ships. Version 2726099

1395Pascal vs. C++. Version 21512612

1399Economical Director2610894

1415Mobile LifeUSU Championship 2005389203

1432Twofold LuckUSU Personal Contest 2006438070

1438Time Limit ExceededUSU Personal Contest 20061293077

1460WiresPetrozavodsk Winter 2006. USU Contest933964

1464LightPetrozavodsk Winter 2006. USU Contest1322875

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest973770

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645451

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212093

1536Delights of Pipe-weedUSU Personal Contest 2007486648

1548Sakura and StatisticsUral Championship 20071714083

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211366

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest318871

1589SokobanNEERC 2007 Eastern Subregional622500

1594Aztec Treasure564568

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest574921

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest614643

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426340

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337667

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386710

1653Death ConveyorNEERC 2008 Eastern Subregional367002

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest416220

1661DodecahedronPetrozavodsk Winter 2008. USU Contest664174

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest634346

1668Death Star 2Petrozavodsk Winter 2008. USU Contest435986

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910867

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406303

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288294

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010300

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest942971

1708Sum of Digits 2Ural Championship 20091512275

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962725

1763Expert FleaUral Championship 2010425225

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest306124

1840Victim of AdvertisingUral Championship 2011217644

1842Local RootsPetrozavodsk Summer 2010. USU Contest285911

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest613164

1848Fly HuntPetrozavodsk Summer 2010. USU Contest295760

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276056

1906The Lost CivilizationUral Championship 2012186834

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection99008

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection353804

2016Magic and ScienceNEERC 2014 Eastern Subregional145533

2076VasianaQualification of eastern subregional contest 201585279

2082PokerUral Championship 201655785