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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322804

1074Very Short ProblemUSU Personal Contest 20016522117

1148Building TowersDSAP Vietnam Online Contest November 20012811737

1166Funny Card GameNEERC 2001 Northern Subregional1333618

1171Lost in SpaceRomanian Online Contest December 20013881271

1177Like ComparisonsUSU Personal Contest 20023931258

1199Mouse1133926

1216Two Pawns and One KingUSU Championship 20022372071

1239Ghost BustersNEERC 20021543123

1271Sailing DirectionsUSU Championship 20031014662

1312TrayUral Championship 2004. Round 11623024

1344Gigantic TurnipUSU Championship 20041074483

1369Cockroach RaceUral Championship 2005. Round 23312214

1374MisereUral Championship 2005. Round 14210125

1376Dean's Pyramid 2Ural Championship 2005. Round 12913501

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459574

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest974921

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2614628

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479238

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865485

1394Ships. Version 22614628

1395Pascal vs. C++. Version 22102304

1399Economical Director3810058

1415Mobile LifeUSU Championship 2005479210

1432Twofold LuckUSU Personal Contest 2006548016

1438Time Limit ExceededUSU Personal Contest 20061603018

1460WiresPetrozavodsk Winter 2006. USU Contest1074243

1464LightPetrozavodsk Winter 2006. USU Contest1612903

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114069

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994517

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812589

1536Delights of Pipe-weedUSU Personal Contest 2007458676

1548Sakura and StatisticsUral Championship 20072214770

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418991

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest409171

1589SokobanNEERC 2007 Eastern Subregional2015180

1594Aztec Treasure804507

1596Knight Mare249633

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest874429

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874429

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735176

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457811

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516937

1653Death ConveyorNEERC 2008 Eastern Subregional546611

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546547

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003809

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804656

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625820

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2810980

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576227

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest705216

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910564

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312922

1708Sum of Digits 2Ural Championship 20092711086

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123236

1763Expert FleaUral Championship 2010605432

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest426875

1840Victim of AdvertisingUral Championship 2011318554

1842Local RootsPetrozavodsk Summer 2010. USU Contest466075

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714200

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634660

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367386

1906The Lost CivilizationUral Championship 2012317607

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511788

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection693731

2016Magic and ScienceNEERC 2014 Eastern Subregional218454

2054AstronomyUral Championship 2015237536

2076VasianaQualification of Eastern Subregional 2015197928

2082PokerUral Championship 2016178255

2131Open CupLater is better than never156151

2137Dynamic string complexityLater is better than never136686
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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