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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5542726

1074Very Short ProblemUSU Personal Contest 20016632106

1148Building TowersDSAP Vietnam Online Contest November 20012871721

1166Funny Card GameNEERC 2001 Northern Subregional1443395

1171Lost in SpaceRomanian Online Contest December 20014011245

1177Like ComparisonsUSU Personal Contest 20024071229

1199Mouse1263594

1216Two Pawns and One KingUSU Championship 20022472012

1239Ghost BustersNEERC 20021613028

1271Sailing DirectionsUSU Championship 20031124286

1312TrayUral Championship 2004. Round 11692936

1344Gigantic TurnipUSU Championship 20041174172

1369Cockroach RaceUral Championship 2005. Round 24010612

1374MisereUral Championship 2005. Round 1518719

1376Dean's Pyramid 2Ural Championship 2005. Round 13611563

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548312

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1114396

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611564

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548312

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925215

1394Ships. Version 21918344

1395Pascal vs. C++. Version 22192238

1399Economical Director488425

1415Mobile LifeUSU Championship 2005558159

1432Twofold LuckUSU Personal Contest 2006637103

1438Time Limit ExceededUSU Personal Contest 20061672930

1460WiresPetrozavodsk Winter 2006. USU Contest1173954

1464LightPetrozavodsk Winter 2006. USU Contest1722759

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1173922

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1153985

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3810089

1536Delights of Pipe-weedUSU Personal Contest 2007547548

1548Sakura and StatisticsUral Championship 20073011965

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527495

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478152

1589SokobanNEERC 2007 Eastern Subregional1717095

1594Aztec Treasure914083

1596Knight Mare327979

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964114

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934234

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804845

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556709

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566510

1653Death ConveyorNEERC 2008 Eastern Subregional645806

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615994

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1103546

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest874387

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685456

1672Droid fliesPetrozavodsk Summer 2008. USU Contest398650

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635806

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784816

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359303

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1422754

1708Sum of Digits 2Ural Championship 2009359264

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1183138

1763Expert FleaUral Championship 2010675029

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466514

1840Victim of AdvertisingUral Championship 2011426886

1842Local RootsPetrozavodsk Summer 2010. USU Contest525608

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest773996

1848Fly HuntPetrozavodsk Summer 2010. USU Contest714292

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436551

1906The Lost CivilizationUral Championship 2012396524

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest258648

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773480

2016Magic and ScienceNEERC 2014 Eastern Subregional336289

2054AstronomyUral Championship 2015335981

2076VasianaNEERC 2015 Eastern Subregional Qualifier286280

2082PokerUral Championship 2016276262

2131Open CupLater is better than never264538

2137Dynamic string complexityLater is better than never254667
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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