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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322803

1074Very Short ProblemUSU Personal Contest 20016502122

1148Building TowersDSAP Vietnam Online Contest November 20012801742

1166Funny Card GameNEERC 2001 Northern Subregional1333616

1171Lost in SpaceRomanian Online Contest December 20013881271

1177Like ComparisonsUSU Personal Contest 20023931258

1199Mouse1133924

1216Two Pawns and One KingUSU Championship 20022372070

1239Ghost BustersNEERC 20021543121

1271Sailing DirectionsUSU Championship 20031014659

1312TrayUral Championship 2004. Round 11623022

1344Gigantic TurnipUSU Championship 20041074480

1369Cockroach RaceUral Championship 2005. Round 23312208

1374MisereUral Championship 2005. Round 14210120

1376Dean's Pyramid 2Ural Championship 2005. Round 12813849

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459569

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest974919

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515038

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479234

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865482

1394Ships. Version 22614620

1395Pascal vs. C++. Version 22102303

1399Economical Director3710266

1415Mobile LifeUSU Championship 2005479205

1432Twofold LuckUSU Personal Contest 2006548012

1438Time Limit ExceededUSU Personal Contest 20061603016

1460WiresPetrozavodsk Winter 2006. USU Contest1074241

1464LightPetrozavodsk Winter 2006. USU Contest1602919

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114066

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994514

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812581

1536Delights of Pipe-weedUSU Personal Contest 2007458670

1548Sakura and StatisticsUral Championship 20072214760

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418985

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399352

1589SokobanNEERC 2007 Eastern Subregional2015170

1594Aztec Treasure804503

1596Knight Mare249621

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest874425

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874425

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735172

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457805

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516931

1653Death ConveyorNEERC 2008 Eastern Subregional546606

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546542

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003806

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804652

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625815

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711267

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576222

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695277

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910555

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312920

1708Sum of Digits 2Ural Championship 20092711077

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123233

1763Expert FleaUral Championship 2010605427

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest426868

1840Victim of AdvertisingUral Championship 2011318545

1842Local RootsPetrozavodsk Summer 2010. USU Contest466068

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714195

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634655

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367377

1906The Lost CivilizationUral Championship 2012317597

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511772

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683773

2016Magic and ScienceNEERC 2014 Eastern Subregional218440

2054AstronomyUral Championship 2015237523

2076VasianaQualification of Eastern Subregional 2015188195

2082PokerUral Championship 2016178239

2131Open CupLater is better than never156132

2137Dynamic string complexityLater is better than never136665
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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