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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5492739

1074Very Short ProblemUSU Personal Contest 20016602107

1148Building TowersDSAP Vietnam Online Contest November 20012851726

1166Funny Card GameNEERC 2001 Northern Subregional1413449

1171Lost in SpaceRomanian Online Contest December 20013981249

1177Like ComparisonsUSU Personal Contest 20024001246

1199Mouse1213715

1216Two Pawns and One KingUSU Championship 20022452020

1239Ghost BustersNEERC 20021603034

1271Sailing DirectionsUSU Championship 20031084415

1312TrayUral Championship 2004. Round 11682942

1344Gigantic TurnipUSU Championship 20041154223

1369Cockroach RaceUral Championship 2005. Round 23711248

1374MisereUral Championship 2005. Round 1479297

1376Dean's Pyramid 2Ural Championship 2005. Round 13412044

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest528549

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084492

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3312326

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538413

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915248

1394Ships. Version 2829446

1395Pascal vs. C++. Version 22172249

1399Economical Director449010

1415Mobile LifeUSU Championship 2005538387

1432Twofold LuckUSU Personal Contest 2006627174

1438Time Limit ExceededUSU Personal Contest 20061652952

1460WiresPetrozavodsk Winter 2006. USU Contest1154001

1464LightPetrozavodsk Winter 2006. USU Contest1682810

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153968

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104133

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510714

1536Delights of Pipe-weedUSU Personal Contest 2007517885

1548Sakura and StatisticsUral Championship 20072812538

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517581

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468258

1589SokobanNEERC 2007 Eastern Subregional924176

1594Aztec Treasure884183

1596Knight Mare318107

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944170

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914294

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest784929

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest526995

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556574

1653Death ConveyorNEERC 2008 Eastern Subregional635853

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606046

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1073617

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844502

1668Death Star 2Petrozavodsk Winter 2008. USU Contest675496

1672Droid fliesPetrozavodsk Summer 2008. USU Contest359365

1674Drunk KingPetrozavodsk Summer 2008. USU Contest615936

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754958

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest329910

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1372832

1708Sum of Digits 2Ural Championship 20093110109

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153194

1763Expert FleaUral Championship 2010645199

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456585

1840Victim of AdvertisingUral Championship 2011416969

1842Local RootsPetrozavodsk Summer 2010. USU Contest515655

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754058

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694367

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest416755

1906The Lost CivilizationUral Championship 2012376742

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239085

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest733612

2016Magic and ScienceNEERC 2014 Eastern Subregional316522

2054AstronomyUral Championship 2015326050

2076VasianaNEERC 2015 Eastern Subregional Qualifier266541

2082PokerUral Championship 2016256529

2131Open CupLater is better than never224997

2137Dynamic string complexityLater is better than never205330
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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