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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 20016512120

1148Building TowersDSAP Vietnam Online Contest November 20012811737

1166Funny Card GameNEERC 2001 Northern Subregional1333617

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 20041074482

1369Cockroach RaceUral Championship 2005. Round 23312213

1374MisereUral Championship 2005. Round 14210125

1376Dean's Pyramid 2Ural Championship 2005. Round 12913499

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

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

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2614626

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479238

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865485

1394Ships. Version 22614627

1395Pascal vs. C++. Version 22102304

1399Economical Director3810057

1415Mobile LifeUSU Championship 2005479209

1432Twofold LuckUSU Personal Contest 2006548015

1438Time Limit ExceededUSU Personal Contest 20061603017

1460WiresPetrozavodsk Winter 2006. USU Contest1074243

1464LightPetrozavodsk Winter 2006. USU Contest1612903

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114068

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994516

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812587

1536Delights of Pipe-weedUSU Personal Contest 2007458675

1548Sakura and StatisticsUral Championship 20072214768

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418990

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest409170

1589SokobanNEERC 2007 Eastern Subregional2015178

1594Aztec Treasure804506

1596Knight Mare249631

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest874428

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874428

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735175

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457810

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516936

1653Death ConveyorNEERC 2008 Eastern Subregional546611

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546546

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003809

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804655

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625819

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2810978

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576227

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest705215

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910562

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312922

1708Sum of Digits 2Ural Championship 20092711085

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123236

1763Expert FleaUral Championship 2010605431

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest426874

1840Victim of AdvertisingUral Championship 2011318552

1842Local RootsPetrozavodsk Summer 2010. USU Contest466074

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714199

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634659

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367384

1906The Lost CivilizationUral Championship 2012317605

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511785

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection693730

2016Magic and ScienceNEERC 2014 Eastern Subregional218452

2054AstronomyUral Championship 2015237534

2076VasianaQualification of Eastern Subregional 2015197926

2082PokerUral Championship 2016178253

2131Open CupLater is better than never156148

2137Dynamic string complexityLater is better than never136682
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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