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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322802

1074Very Short ProblemUSU Personal Contest 20016502122

1148Building TowersDSAP Vietnam Online Contest November 20012801742

1166Funny Card GameNEERC 2001 Northern Subregional1333615

1171Lost in SpaceRomanian Online Contest December 20013881270

1177Like ComparisonsUSU Personal Contest 20023931257

1199Mouse1133923

1216Two Pawns and One KingUSU Championship 20022372069

1239Ghost BustersNEERC 20021543121

1271Sailing DirectionsUSU Championship 20031014659

1312TrayUral Championship 2004. Round 11623022

1344Gigantic TurnipUSU Championship 20041074479

1369Cockroach RaceUral Championship 2005. Round 23312206

1374MisereUral Championship 2005. Round 14210118

1376Dean's Pyramid 2Ural Championship 2005. Round 12813846

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459568

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest974918

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515035

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479232

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865482

1394Ships. Version 22515036

1395Pascal vs. C++. Version 22102302

1399Economical Director3710264

1415Mobile LifeUSU Championship 2005479204

1432Twofold LuckUSU Personal Contest 2006548010

1438Time Limit ExceededUSU Personal Contest 20061603016

1460WiresPetrozavodsk Winter 2006. USU Contest1074240

1464LightPetrozavodsk Winter 2006. USU Contest1602918

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114066

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994513

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812578

1536Delights of Pipe-weedUSU Personal Contest 2007458669

1548Sakura and StatisticsUral Championship 20072214757

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418983

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399350

1589SokobanNEERC 2007 Eastern Subregional2015166

1594Aztec Treasure804502

1596Knight Mare249617

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864470

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874424

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735171

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457803

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516929

1653Death ConveyorNEERC 2008 Eastern Subregional546604

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546540

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003805

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804651

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625813

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711264

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576221

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695276

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910552

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312919

1708Sum of Digits 2Ural Championship 20092711074

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123232

1763Expert FleaUral Championship 2010605425

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest426866

1840Victim of AdvertisingUral Championship 2011318542

1842Local RootsPetrozavodsk Summer 2010. USU Contest466066

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714194

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634653

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367375

1906The Lost CivilizationUral Championship 2012317594

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511766

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683772

2016Magic and ScienceNEERC 2014 Eastern Subregional218435

2054AstronomyUral Championship 2015237518

2076VasianaQualification of Eastern Subregional 2015188190

2082PokerUral Championship 2016178233

2131Open CupLater is better than never156125

2137Dynamic string complexityLater is better than never136657
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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