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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5582712

1074Very Short ProblemUSU Personal Contest 20016632111

1148Building TowersDSAP Vietnam Online Contest November 20012901707

1166Funny Card GameNEERC 2001 Northern Subregional1453380

1171Lost in SpaceRomanian Online Contest December 20014021244

1177Like ComparisonsUSU Personal Contest 20024081229

1199Mouse1273576

1216Two Pawns and One KingUSU Championship 20022482008

1239Ghost BustersNEERC 20021623016

1271Sailing DirectionsUSU Championship 20031134260

1312TrayUral Championship 2004. Round 11712909

1344Gigantic TurnipUSU Championship 20041184148

1369Cockroach RaceUral Championship 2005. Round 24310031

1374MisereUral Championship 2005. Round 1528595

1376Dean's Pyramid 2Ural Championship 2005. Round 13811102

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest568075

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1134333

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest4010659

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest558200

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest935175

1394Ships. Version 22714405

1395Pascal vs. C++. Version 22232204

1399Economical Director498301

1415Mobile LifeUSU Championship 2005577931

1432Twofold LuckUSU Personal Contest 2006656928

1438Time Limit ExceededUSU Personal Contest 20061682919

1460WiresPetrozavodsk Winter 2006. USU Contest1183932

1464LightPetrozavodsk Winter 2006. USU Contest1732750

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1193870

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1173930

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest409708

1536Delights of Pipe-weedUSU Personal Contest 2007567337

1548Sakura and StatisticsUral Championship 20073410903

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest547279

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest497896

1589SokobanNEERC 2007 Eastern Subregional2314023

1594Aztec Treasure934016

1596Knight Mare347650

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest974087

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest944205

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest824753

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest566626

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional586337

1653Death ConveyorNEERC 2008 Eastern Subregional665670

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest635847

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1123499

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest884356

1668Death Star 2Petrozavodsk Winter 2008. USU Contest695403

1672Droid fliesPetrozavodsk Summer 2008. USU Contest418335

1674Drunk KingPetrozavodsk Summer 2008. USU Contest645745

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest794776

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest369129

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1432745

1708Sum of Digits 2Ural Championship 2009369090

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193124

1763Expert FleaUral Championship 2010684982

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476424

1840Victim of AdvertisingUral Championship 2011436782

1842Local RootsPetrozavodsk Summer 2010. USU Contest535541

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793922

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724257

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest446456

1906The Lost CivilizationUral Championship 2012426176

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest278222

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest783457

2016Magic and ScienceNEERC 2014 Eastern Subregional346182

2054AstronomyUral Championship 2015345882

2076VasianaNEERC 2015 Eastern Subregional Qualifier296162

2082PokerUral Championship 2016295984

2131Open CupLater is better than never274465

2137Dynamic string complexityLater is better than never264589
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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