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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 20016502123

1148Building TowersDSAP Vietnam Online Contest November 20012811737

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 20021543122

1271Sailing DirectionsUSU Championship 20031014660

1312TrayUral Championship 2004. Round 11623023

1344Gigantic TurnipUSU Championship 20041074481

1369Cockroach RaceUral Championship 2005. Round 23312210

1374MisereUral Championship 2005. Round 14210122

1376Dean's Pyramid 2Ural Championship 2005. Round 12913496

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459571

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest974920

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2614623

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479235

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865483

1394Ships. Version 22614623

1395Pascal vs. C++. Version 22102303

1399Economical Director3710268

1415Mobile LifeUSU Championship 2005479207

1432Twofold LuckUSU Personal Contest 2006548013

1438Time Limit ExceededUSU Personal Contest 20061603017

1460WiresPetrozavodsk Winter 2006. USU Contest1074242

1464LightPetrozavodsk Winter 2006. USU Contest1602919

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114067

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994515

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812583

1536Delights of Pipe-weedUSU Personal Contest 2007458672

1548Sakura and StatisticsUral Championship 20072214763

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418987

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest409167

1589SokobanNEERC 2007 Eastern Subregional2015173

1594Aztec Treasure804504

1596Knight Mare249625

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest874427

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874427

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735173

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457807

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516933

1653Death ConveyorNEERC 2008 Eastern Subregional546608

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546544

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003807

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804653

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625816

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2810974

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576224

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest705213

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910558

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312920

1708Sum of Digits 2Ural Championship 20092711080

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123234

1763Expert FleaUral Championship 2010605429

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest426871

1840Victim of AdvertisingUral Championship 2011318548

1842Local RootsPetrozavodsk Summer 2010. USU Contest466071

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714197

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634657

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367380

1906The Lost CivilizationUral Championship 2012317601

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511777

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683775

2016Magic and ScienceNEERC 2014 Eastern Subregional218445

2054AstronomyUral Championship 2015237527

2076VasianaQualification of Eastern Subregional 2015197918

2082PokerUral Championship 2016178245

2131Open CupLater is better than never156139

2137Dynamic string complexityLater is better than never136672
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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