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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322799

1074Very Short ProblemUSU Personal Contest 20016502120

1148Building TowersDSAP Vietnam Online Contest November 20012801740

1166Funny Card GameNEERC 2001 Northern Subregional1333611

1171Lost in SpaceRomanian Online Contest December 20013871272

1177Like ComparisonsUSU Personal Contest 20023931256

1199Mouse1133918

1216Two Pawns and One KingUSU Championship 20022362075

1239Ghost BustersNEERC 20021543117

1271Sailing DirectionsUSU Championship 20031014654

1312TrayUral Championship 2004. Round 11623019

1344Gigantic TurnipUSU Championship 20041074475

1369Cockroach RaceUral Championship 2005. Round 23312193

1374MisereUral Championship 2005. Round 14210108

1376Dean's Pyramid 2Ural Championship 2005. Round 12714206

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459558

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964959

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515020

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479223

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865476

1394Ships. Version 22515020

1395Pascal vs. C++. Version 22102300

1399Economical Director3710251

1415Mobile LifeUSU Championship 2005479194

1432Twofold LuckUSU Personal Contest 2006548002

1438Time Limit ExceededUSU Personal Contest 20061603012

1460WiresPetrozavodsk Winter 2006. USU Contest1074235

1464LightPetrozavodsk Winter 2006. USU Contest1602915

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114061

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994508

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812563

1536Delights of Pipe-weedUSU Personal Contest 2007557326

1548Sakura and StatisticsUral Championship 20072214738

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418971

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399337

1589SokobanNEERC 2007 Eastern Subregional2015146

1594Aztec Treasure804494

1596Knight Mare249595

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864464

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874418

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725226

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457791

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516919

1653Death ConveyorNEERC 2008 Eastern Subregional546594

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546530

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003799

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804643

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625804

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711247

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566305

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695268

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910535

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312914

1708Sum of Digits 2Ural Championship 20092711056

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123227

1763Expert FleaUral Championship 2010605415

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416986

1840Victim of AdvertisingUral Championship 2011318524

1842Local RootsPetrozavodsk Summer 2010. USU Contest466053

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714185

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634643

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357522

1906The Lost CivilizationUral Championship 2012317575

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511735

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683762

2016Magic and ScienceNEERC 2014 Eastern Subregional218409

2054AstronomyUral Championship 2015237493

2076VasianaQualification of Eastern Subregional 2015188159

2082PokerUral Championship 2016168516

2131Open CupLater is better than never156087

2137Dynamic string complexityLater is better than never136616
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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