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Problem set. Hardest Problems

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5592708

1074Very Short ProblemUSU Personal Contest 20016642108

1148Building TowersDSAP Vietnam Online Contest November 20012911702

1166Funny Card GameNEERC 2001 Northern Subregional1453380

1171Lost in SpaceRomanian Online Contest December 20014021245

1177Like ComparisonsUSU Personal Contest 20024081229

1199Mouse1273576

1216Two Pawns and One KingUSU Championship 20022472016

1239Ghost BustersNEERC 20021623017

1271Sailing DirectionsUSU Championship 20031134261

1312TrayUral Championship 2004. Round 11712910

1344Gigantic TurnipUSU Championship 20041184148

1369Cockroach RaceUral Championship 2005. Round 24310032

1374MisereUral Championship 2005. Round 1528597

1376Dean's Pyramid 2Ural Championship 2005. Round 13811104

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest568077

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1134334

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest4010661

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest558201

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest935175

1394Ships. Version 22714408

1395Pascal vs. C++. Version 22232204

1399Economical Director498303

1415Mobile LifeUSU Championship 2005577932

1432Twofold LuckUSU Personal Contest 2006656929

1438Time Limit ExceededUSU Personal Contest 20061682920

1460WiresPetrozavodsk Winter 2006. USU Contest1183933

1464LightPetrozavodsk Winter 2006. USU Contest1732751

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1193870

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1173931

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest409710

1536Delights of Pipe-weedUSU Personal Contest 2007567338

1548Sakura and StatisticsUral Championship 20073410906

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest547281

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest497898

1589SokobanNEERC 2007 Eastern Subregional2314026

1594Aztec Treasure934017

1596Knight Mare347653

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest974088

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest944206

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest824754

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest566627

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional586339

1653Death ConveyorNEERC 2008 Eastern Subregional665671

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest635849

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1123500

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest884357

1668Death Star 2Petrozavodsk Winter 2008. USU Contest705337

1672Droid fliesPetrozavodsk Summer 2008. USU Contest428177

1674Drunk KingPetrozavodsk Summer 2008. USU Contest645746

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest804725

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest369131

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1432745

1708Sum of Digits 2Ural Championship 2009378899

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193125

1763Expert FleaUral Championship 2010684984

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476426

1840Victim of AdvertisingUral Championship 2011436785

1842Local RootsPetrozavodsk Summer 2010. USU Contest535543

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest803880

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724259

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest446459

1906The Lost CivilizationUral Championship 2012426179

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest278226

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest783459

2016Magic and ScienceNEERC 2014 Eastern Subregional346186

2054AstronomyUral Championship 2015345886

2076VasianaNEERC 2015 Eastern Subregional Qualifier296166

2082PokerUral Championship 2016295988

2131Open CupLater is better than never274469

2137Dynamic string complexityLater is better than never264593
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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