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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5482742

1074Very Short ProblemUSU Personal Contest 20016582112

1148Building TowersDSAP Vietnam Online Contest November 20012841730

1166Funny Card GameNEERC 2001 Northern Subregional1393493

1171Lost in SpaceRomanian Online Contest December 20013981248

1177Like ComparisonsUSU Personal Contest 20023991248

1199Mouse1203740

1216Two Pawns and One KingUSU Championship 20022442026

1239Ghost BustersNEERC 20021583068

1271Sailing DirectionsUSU Championship 20031074450

1312TrayUral Championship 2004. Round 11662973

1344Gigantic TurnipUSU Championship 20041144255

1369Cockroach RaceUral Championship 2005. Round 23611485

1374MisereUral Championship 2005. Round 1469457

1376Dean's Pyramid 2Ural Championship 2005. Round 13212610

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508828

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064566

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013242

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518683

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895350

1394Ships. Version 2731158

1395Pascal vs. C++. Version 22162257

1399Economical Director429349

1415Mobile LifeUSU Championship 2005518657

1432Twofold LuckUSU Personal Contest 2006587591

1438Time Limit ExceededUSU Personal Contest 20061632984

1460WiresPetrozavodsk Winter 2006. USU Contest1144030

1464LightPetrozavodsk Winter 2006. USU Contest1672823

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143997

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104130

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3211470

1536Delights of Pipe-weedUSU Personal Contest 2007508010

1548Sakura and StatisticsUral Championship 20072513602

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest497832

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448557

1589SokobanNEERC 2007 Eastern Subregional825497

1594Aztec Treasure864265

1596Knight Mare308297

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest934207

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest904333

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774981

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507222

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional536776

1653Death ConveyorNEERC 2008 Eastern Subregional606098

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576310

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063645

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824596

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655637

1672Droid fliesPetrozavodsk Summer 2008. USU Contest339791

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606015

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest745012

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010395

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352868

1708Sum of Digits 2Ural Championship 20092910616

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143216

1763Expert FleaUral Championship 2010635264

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456576

1840Victim of AdvertisingUral Championship 2011387395

1842Local RootsPetrozavodsk Summer 2010. USU Contest505742

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest744101

1848Fly HuntPetrozavodsk Summer 2010. USU Contest684417

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest397021

1906The Lost CivilizationUral Championship 2012357030

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest219655

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest723650

2016Magic and ScienceNEERC 2014 Eastern Subregional287023

2054AstronomyUral Championship 2015296502

2076VasianaNEERC 2015 Eastern Subregional Qualifier256712

2082PokerUral Championship 2016246704

2131Open CupLater is better than never224978

2137Dynamic string complexityLater is better than never195492
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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