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 Subregional4082896

1074Very Short ProblemUSU Personal Contest 20015262086

1148Building TowersDSAP Vietnam Online Contest November 20012011921

1166Funny Card GameNEERC 2001 Northern Subregional1143383

1171Lost in SpaceRomanian Online Contest December 20013061284

1177Like ComparisonsUSU Personal Contest 20023001314


1216Two Pawns and One KingUSU Championship 20022001964

1239Ghost BustersNEERC 20021402755

1271Sailing DirectionsUSU Championship 2003834513

1312TrayUral Championship 2004. Round 11452728

1344Gigantic TurnipUSU Championship 2004864459

1369Cockroach RaceUral Championship 2005. Round 21914792

1374MisereUral Championship 2005. Round 12811330

1376Dean's Pyramid 2Ural Championship 2005. Round 1388970

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313049

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest725252

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1616563

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3210253

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest774950

1394Ships. Version 2626916

1395Pascal vs. C++. Version 21382749

1399Economical Director2610499

1415Mobile LifeUSU Championship 2005388931

1432Twofold LuckUSU Personal Contest 2006437817

1438Time Limit ExceededUSU Personal Contest 20061263046

1460WiresPetrozavodsk Winter 2006. USU Contest824287

1464LightPetrozavodsk Winter 2006. USU Contest1272879

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest893934

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest605563

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112020

1536Delights of Pipe-weedUSU Personal Contest 2007456749

1548Sakura and StatisticsUral Championship 20071415239

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2111252

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest298944

1589SokobanNEERC 2007 Eastern Subregional523001

1594Aztec Treasure544455

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest544906

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest554830

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426038

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337302

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional376515

1653Death ConveyorNEERC 2008 Eastern Subregional366656

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest406025

1661DodecahedronPetrozavodsk Winter 2008. USU Contest624184

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest594366

1668Death Star 2Petrozavodsk Winter 2008. USU Contest425793

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910314

1674Drunk KingPetrozavodsk Summer 2008. USU Contest376364

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest278084

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1910097

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932843

1708Sum of Digits 2Ural Championship 20091511626

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional952592

1763Expert FleaUral Championship 2010405092

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest285981

1840Victim of AdvertisingUral Championship 2011207303

1842Local RootsPetrozavodsk Summer 2010. USU Contest255899

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest602949

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285433

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest255883

1906The Lost CivilizationUral Championship 2012186158

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection78926

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection323614

2016Magic and ScienceNEERC 2014 Eastern Subregional144687

2076VasianaQualification of eastern subregional contest 201584101

2082PokerUral Championship 201644670