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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5152779

1074Very Short ProblemUSU Personal Contest 20016302103

1148Building TowersDSAP Vietnam Online Contest November 20012731716

1166Funny Card GameNEERC 2001 Northern Subregional1313532

1171Lost in SpaceRomanian Online Contest December 20013711276

1177Like ComparisonsUSU Personal Contest 20023831240

1199Mouse1263399

1216Two Pawns and One KingUSU Championship 20022292058

1239Ghost BustersNEERC 20021513060

1271Sailing DirectionsUSU Championship 2003964700

1312TrayUral Championship 2004. Round 11573000

1344Gigantic TurnipUSU Championship 20041024513

1369Cockroach RaceUral Championship 2005. Round 22713682

1374MisereUral Championship 2005. Round 13611034

1376Dean's Pyramid 2Ural Championship 2005. Round 1429761

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429762

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest905076

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016922

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439578

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855344

1394Ships. Version 21520307

1395Pascal vs. C++. Version 21962365

1399Economical Director3211002

1415Mobile LifeUSU Championship 2005459199

1432Twofold LuckUSU Personal Contest 2006537834

1438Time Limit ExceededUSU Personal Contest 20061513065

1460WiresPetrozavodsk Winter 2006. USU Contest1044178

1464LightPetrozavodsk Winter 2006. USU Contest1542904

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1084000

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest934583

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2413456

1536Delights of Pipe-weedUSU Personal Contest 2007547129

1548Sakura and StatisticsUral Championship 20071716723

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest359709

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379296

1589SokobanNEERC 2007 Eastern Subregional1318853

1594Aztec Treasure714714

1596Knight Mare229394

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814470

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest784622

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest695149

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest417976

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional477019

1653Death ConveyorNEERC 2008 Eastern Subregional496780

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest506596

1661DodecahedronPetrozavodsk Winter 2008. USU Contest963733

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest744711

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585820

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2610942

1674Drunk KingPetrozavodsk Summer 2008. USU Contest536253

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest546155

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2411425

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1222943

1708Sum of Digits 2Ural Championship 20092411371

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093114

1763Expert FleaUral Championship 2010575305

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377060

1840Victim of AdvertisingUral Championship 2011288546

1842Local RootsPetrozavodsk Summer 2010. USU Contest366822

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest674075

1848Fly HuntPetrozavodsk Summer 2010. USU Contest525061

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337287

1906The Lost CivilizationUral Championship 2012287483

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1212113

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection603807

2016Magic and ScienceNEERC 2014 Eastern Subregional188305

2054AstronomyUral Championship 2015207287

2076VasianaQualification of Eastern Subregional 2015167658

2082PokerUral Championship 2016157672

2131Open CupLater is better than never105996

2137Dynamic string complexityLater is better than never96311
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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