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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5452749

1074Very Short ProblemUSU Personal Contest 20016572109

1148Building TowersDSAP Vietnam Online Contest November 20012841725

1166Funny Card GameNEERC 2001 Northern Subregional1383507

1171Lost in SpaceRomanian Online Contest December 20013941257

1177Like ComparisonsUSU Personal Contest 20023991244

1199Mouse1163847

1216Two Pawns and One KingUSU Championship 20022432028

1239Ghost BustersNEERC 20021563096

1271Sailing DirectionsUSU Championship 20031054515

1312TrayUral Championship 2004. Round 11642999

1344Gigantic TurnipUSU Championship 20041144243

1369Cockroach RaceUral Championship 2005. Round 23411975

1374MisereUral Championship 2005. Round 1449782

1376Dean's Pyramid 2Ural Championship 2005. Round 13212576

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest498954

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064554

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2913546

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest508805

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest885391

1394Ships. Version 22614675

1395Pascal vs. C++. Version 22142271

1399Economical Director429320

1415Mobile LifeUSU Championship 2005498926

1432Twofold LuckUSU Personal Contest 2006587570

1438Time Limit ExceededUSU Personal Contest 20061622993

1460WiresPetrozavodsk Winter 2006. USU Contest1114118

1464LightPetrozavodsk Winter 2006. USU Contest1632880

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1143985

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104118

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912313

1536Delights of Pipe-weedUSU Personal Contest 2007488259

1548Sakura and StatisticsUral Championship 20072314379

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest448528

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest438688

1589SokobanNEERC 2007 Eastern Subregional628584

1594Aztec Treasure864247

1596Knight Mare288682

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest924232

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest884404

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest774961

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest487442

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526858

1653Death ConveyorNEERC 2008 Eastern Subregional606074

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576285

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063630

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824577

1668Death Star 2Petrozavodsk Winter 2008. USU Contest655614

1672Droid fliesPetrozavodsk Summer 2008. USU Contest3010483

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596077

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest735052

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010352

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1342876

1708Sum of Digits 2Ural Championship 20092711143

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143201

1763Expert FleaUral Championship 2010625312

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest446663

1840Victim of AdvertisingUral Championship 2011348023

1842Local RootsPetrozavodsk Summer 2010. USU Contest476010

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest724177

1848Fly HuntPetrozavodsk Summer 2010. USU Contest664507

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest377279

1906The Lost CivilizationUral Championship 2012337310

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1910249

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest703716

2016Magic and ScienceNEERC 2014 Eastern Subregional267353

2054AstronomyUral Championship 2015286615

2076VasianaNEERC 2015 Eastern Subregional Qualifier246843

2082PokerUral Championship 2016217279

2131Open CupLater is better than never205227

2137Dynamic string complexityLater is better than never175807
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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