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 Subregional4312857

1074Very Short ProblemUSU Personal Contest 20015562055

1148Building TowersDSAP Vietnam Online Contest November 20012081932

1166Funny Card GameNEERC 2001 Northern Subregional1163453

1171Lost in SpaceRomanian Online Contest December 20013151298

1177Like ComparisonsUSU Personal Contest 20023141306


1216Two Pawns and One KingUSU Championship 20022042001

1239Ghost BustersNEERC 20021412841

1271Sailing DirectionsUSU Championship 2003854582

1312TrayUral Championship 2004. Round 11462810

1344Gigantic TurnipUSU Championship 2004884525

1369Cockroach RaceUral Championship 2005. Round 22114333

1374MisereUral Championship 2005. Round 12911432

1376Dean's Pyramid 2Ural Championship 2005. Round 1389288

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313513

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest745309

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815926

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379488

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775126

1394Ships. Version 2726232

1395Pascal vs. C++. Version 21522610

1399Economical Director2610963

1415Mobile LifeUSU Championship 2005389251

1432Twofold LuckUSU Personal Contest 2006438114

1438Time Limit ExceededUSU Personal Contest 20061303072

1460WiresPetrozavodsk Winter 2006. USU Contest943949

1464LightPetrozavodsk Winter 2006. USU Contest1342852

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest973793

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest655411

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212171

1536Delights of Pipe-weedUSU Personal Contest 2007496578

1548Sakura and StatisticsUral Championship 20071714176

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211447

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest328721

1589SokobanNEERC 2007 Eastern Subregional622663

1594Aztec Treasure564611

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest574961

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest614682

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426392

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337730

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386767

1653Death ConveyorNEERC 2008 Eastern Subregional367061

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest416275

1661DodecahedronPetrozavodsk Winter 2008. USU Contest664210

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest644324

1668Death Star 2Petrozavodsk Winter 2008. USU Contest436038

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2010598

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406359

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288367

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010393

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest942998

1708Sum of Digits 2Ural Championship 20091512388

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962752

1763Expert FleaUral Championship 2010425281

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest306201

1840Victim of AdvertisingUral Championship 2011217744

1842Local RootsPetrozavodsk Summer 2010. USU Contest295840

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest613208

1848Fly HuntPetrozavodsk Summer 2010. USU Contest295840

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276141

1906The Lost CivilizationUral Championship 2012186951

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection99185

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection363795

2016Magic and ScienceNEERC 2014 Eastern Subregional145680

2076VasianaQualification of eastern subregional contest 201585483

2082PokerUral Championship 201656032