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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5482741

1074Very Short ProblemUSU Personal Contest 20016582111

1148Building TowersDSAP Vietnam Online Contest November 20012841730

1166Funny Card GameNEERC 2001 Northern Subregional1393492

1171Lost in SpaceRomanian Online Contest December 20013981248

1177Like ComparisonsUSU Personal Contest 20023991247

1199Mouse1193769

1216Two Pawns and One KingUSU Championship 20022442026

1239Ghost BustersNEERC 20021573085

1271Sailing DirectionsUSU Championship 20031074449

1312TrayUral Championship 2004. Round 11643007

1344Gigantic TurnipUSU Championship 20041144254

1369Cockroach RaceUral Championship 2005. Round 23611483

1374MisereUral Championship 2005. Round 1459627

1376Dean's Pyramid 2Ural Championship 2005. Round 13212607

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest508826

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064565

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3013239

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest518681

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895349

1394Ships. Version 2731152

1395Pascal vs. C++. Version 22162257

1399Economical Director429347

1415Mobile LifeUSU Championship 2005508799

1432Twofold LuckUSU Personal Contest 2006587590

1438Time Limit ExceededUSU Personal Contest 20061632983

1460WiresPetrozavodsk Winter 2006. USU Contest1144029

1464LightPetrozavodsk Winter 2006. USU Contest1672823

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143996

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104129

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3012041

1536Delights of Pipe-weedUSU Personal Contest 2007508008

1548Sakura and StatisticsUral Championship 20072513598

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest487965

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448555

1589SokobanNEERC 2007 Eastern Subregional825490

1594Aztec Treasure864264

1596Knight Mare288730

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest934206

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest904332

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774979

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507220

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional536774

1653Death ConveyorNEERC 2008 Eastern Subregional606096

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576308

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063643

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824594

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655635

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3210021

1674Drunk KingPetrozavodsk Summer 2008. USU Contest606013

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest745011

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010392

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1352867

1708Sum of Digits 2Ural Championship 20092810892

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143215

1763Expert FleaUral Championship 2010625335

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456574

1840Victim of AdvertisingUral Championship 2011377549

1842Local RootsPetrozavodsk Summer 2010. USU Contest495836

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest744099

1848Fly HuntPetrozavodsk Summer 2010. USU Contest684415

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest397018

1906The Lost CivilizationUral Championship 2012357027

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest219649

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest723648

2016Magic and ScienceNEERC 2014 Eastern Subregional287018

2054AstronomyUral Championship 2015296498

2076VasianaNEERC 2015 Eastern Subregional Qualifier256707

2082PokerUral Championship 2016246699

2131Open CupLater is better than never215132

2137Dynamic string complexityLater is better than never195486
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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