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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5522733

1074Very Short ProblemUSU Personal Contest 20016622107

1148Building TowersDSAP Vietnam Online Contest November 20012871719

1166Funny Card GameNEERC 2001 Northern Subregional1433414

1171Lost in SpaceRomanian Online Contest December 20014011244

1177Like ComparisonsUSU Personal Contest 20024031240

1199Mouse1223699

1216Two Pawns and One KingUSU Championship 20022462018

1239Ghost BustersNEERC 20021613025

1271Sailing DirectionsUSU Championship 20031114318

1312TrayUral Championship 2004. Round 11692934

1344Gigantic TurnipUSU Championship 20041174169

1369Cockroach RaceUral Championship 2005. Round 23910819

1374MisereUral Championship 2005. Round 1499007

1376Dean's Pyramid 2Ural Championship 2005. Round 13611553

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548305

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1104429

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611555

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548305

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925211

1394Ships. Version 21323110

1395Pascal vs. C++. Version 22182246

1399Economical Director488417

1415Mobile LifeUSU Championship 2005558152

1432Twofold LuckUSU Personal Contest 2006637097

1438Time Limit ExceededUSU Personal Contest 20061672927

1460WiresPetrozavodsk Winter 2006. USU Contest1173950

1464LightPetrozavodsk Winter 2006. USU Contest1722757

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1173918

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1153981

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3710293

1536Delights of Pipe-weedUSU Personal Contest 2007537660

1548Sakura and StatisticsUral Championship 20073011953

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527487

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478144

1589SokobanNEERC 2007 Eastern Subregional1023053

1594Aztec Treasure904118

1596Knight Mare327964

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964109

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934228

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804839

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest546805

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566502

1653Death ConveyorNEERC 2008 Eastern Subregional645799

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615987

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1093572

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest864428

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685449

1672Droid fliesPetrozavodsk Summer 2008. USU Contest379006

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635799

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784810

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359291

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1412769

1708Sum of Digits 2Ural Championship 2009359252

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1163183

1763Expert FleaUral Championship 2010675022

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466503

1840Victim of AdvertisingUral Championship 2011426874

1842Local RootsPetrozavodsk Summer 2010. USU Contest525598

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest773989

1848Fly HuntPetrozavodsk Summer 2010. USU Contest714285

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436540

1906The Lost CivilizationUral Championship 2012396511

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest248883

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest763512

2016Magic and ScienceNEERC 2014 Eastern Subregional336273

2054AstronomyUral Championship 2015335965

2076VasianaNEERC 2015 Eastern Subregional Qualifier286261

2082PokerUral Championship 2016266416

2131Open CupLater is better than never254645

2137Dynamic string complexityLater is better than never254645
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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