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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5102775

1074Very Short ProblemUSU Personal Contest 20016262093

1148Building TowersDSAP Vietnam Online Contest November 20012691722

1166Funny Card GameNEERC 2001 Northern Subregional1293546

1171Lost in SpaceRomanian Online Contest December 20013711263

1177Like ComparisonsUSU Personal Contest 20023831227

1199Mouse1233434

1216Two Pawns and One KingUSU Championship 20022262063

1239Ghost BustersNEERC 20021503047

1271Sailing DirectionsUSU Championship 2003954696

1312TrayUral Championship 2004. Round 11572969

1344Gigantic TurnipUSU Championship 20041004549

1369Cockroach RaceUral Championship 2005. Round 22713547

1374MisereUral Championship 2005. Round 13411423

1376Dean's Pyramid 2Ural Championship 2005. Round 1419855

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest4010053

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest905027

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016756

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419856

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855291

1394Ships. Version 21420945

1395Pascal vs. C++. Version 21932374

1399Economical Director3210873

1415Mobile LifeUSU Championship 2005449277

1432Twofold LuckUSU Personal Contest 2006527878

1438Time Limit ExceededUSU Personal Contest 20061513034

1460WiresPetrozavodsk Winter 2006. USU Contest1024206

1464LightPetrozavodsk Winter 2006. USU Contest1512926

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1064023

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest934531

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313697

1536Delights of Pipe-weedUSU Personal Contest 2007537155

1548Sakura and StatisticsUral Championship 20071716518

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349800

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359582

1589SokobanNEERC 2007 Eastern Subregional1219449

1594Aztec Treasure674878

1596Knight Mare209784

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814404

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest744771

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest655344

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest408015

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457163

1653Death ConveyorNEERC 2008 Eastern Subregional476912

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest496604

1661DodecahedronPetrozavodsk Winter 2008. USU Contest943746

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest744639

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585730

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411405

1674Drunk KingPetrozavodsk Summer 2008. USU Contest536155

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526255

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2411243

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1222896

1708Sum of Digits 2Ural Championship 20092211887

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073113

1763Expert FleaUral Championship 2010565287

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest357223

1840Victim of AdvertisingUral Championship 2011268831

1842Local RootsPetrozavodsk Summer 2010. USU Contest366671

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest664038

1848Fly HuntPetrozavodsk Summer 2010. USU Contest485291

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327295

1906The Lost CivilizationUral Championship 2012277490

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211775

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593755

2016Magic and ScienceNEERC 2014 Eastern Subregional188028

2054AstronomyUral Championship 2015197266

2076VasianaQualification of Eastern Subregional 2015167346

2082PokerUral Championship 2016137984
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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