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

Problem set. Hardest Problems


IDTitleSourceAuthorsDifficulty

1074Very Short ProblemUSU Personal Contest 20015992056

1058ChocolateNEERC 2000 Central Subregional4672845

1171Lost in SpaceRomanian Online Contest December 20013381302

1177Like ComparisonsUSU Personal Contest 20023351317

1148Building TowersDSAP Vietnam Online Contest November 20012471761

1216Two Pawns and One KingUSU Championship 20022152041

1395Pascal vs. C++. Version 21632625

1312TrayUral Championship 2004. Round 11512912

1239Ghost BustersNEERC 20021462949

1464LightPetrozavodsk Winter 2006. USU Contest1442875

1438Time Limit ExceededUSU Personal Contest 20061393094

1166Funny Card GameNEERC 2001 Northern Subregional1213556

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1132839

1199Mouse1083624

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052871

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1023912

1460WiresPetrozavodsk Winter 2006. USU Contest964176

1344Gigantic TurnipUSU Championship 2004954511

1271Sailing DirectionsUSU Championship 2003894706

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest825174

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805289

1661DodecahedronPetrozavodsk Winter 2008. USU Contest764150

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest725343

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684727

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest674636

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643645

1594Aztec Treasure614819

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605267

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543428

1536Delights of Pipe-weedUSU Personal Contest 2007516907

1763Expert FleaUral Championship 2010515148

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486120

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest476262

1432Twofold LuckUSU Personal Contest 2006468232

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466583

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466374

1653Death ConveyorNEERC 2008 Eastern Subregional426952

1415Mobile LifeUSU Championship 2005419299

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417089

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405394

1376Dean's Pyramid 2Ural Championship 2005. Round 1399713

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest389917

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377844

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356420

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349107

1842Local RootsPetrozavodsk Summer 2010. USU Contest336273

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308875

1374MisereUral Championship 2005. Round 12912204

1399Economical Director2910963

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296903

1906The Lost CivilizationUral Championship 2012266622

1369Cockroach RaceUral Championship 2005. Round 22513557

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2511449

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2414001

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2312807

1840Victim of AdvertisingUral Championship 2011238526

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2211093

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2210912

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1817001

1596Knight Mare189131

1708Sum of Digits 2Ural Championship 20091712859

2016Magic and ScienceNEERC 2014 Eastern Subregional176787

2054AstronomyUral Championship 2015166478

1548Sakura and StatisticsUral Championship 20071417345

2076VasianaQualification of Eastern Subregional 2015126711

2082PokerUral Championship 2016126358

1394Ships. Version 21122669

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010968

1589SokobanNEERC 2007 Eastern Subregional822068