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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5282811

1074Very Short ProblemUSU Personal Contest 20016492116

1148Building TowersDSAP Vietnam Online Contest November 20012801735

1166Funny Card GameNEERC 2001 Northern Subregional1333601

1171Lost in SpaceRomanian Online Contest December 20013871268

1177Like ComparisonsUSU Personal Contest 20023931252

1199Mouse1313406

1216Two Pawns and One KingUSU Championship 20022342086

1239Ghost BustersNEERC 20021543108

1271Sailing DirectionsUSU Championship 20031014640

1312TrayUral Championship 2004. Round 11623010

1344Gigantic TurnipUSU Championship 20041074462

1369Cockroach RaceUral Championship 2005. Round 23312159

1374MisereUral Championship 2005. Round 14210080

1376Dean's Pyramid 2Ural Championship 2005. Round 1459530

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459531

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964945

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2415418

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479197

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855518

1394Ships. Version 22415418

1395Pascal vs. C++. Version 22082314

1399Economical Director3710217

1415Mobile LifeUSU Championship 2005479168

1432Twofold LuckUSU Personal Contest 2006547978

1438Time Limit ExceededUSU Personal Contest 20061603003

1460WiresPetrozavodsk Winter 2006. USU Contest1074222

1464LightPetrozavodsk Winter 2006. USU Contest1602906

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114048

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994493

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812519

1536Delights of Pipe-weedUSU Personal Contest 2007557301

1548Sakura and StatisticsUral Championship 20072214687

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest409117

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399303

1589SokobanNEERC 2007 Eastern Subregional1915609

1594Aztec Treasure774628

1596Knight Mare249533

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864445

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874399

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725204

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457759

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516889

1653Death ConveyorNEERC 2008 Eastern Subregional536670

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546501

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003782

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804623

1668Death Star 2Petrozavodsk Winter 2008. USU Contest615860

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711197

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566277

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695244

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910488

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312901

1708Sum of Digits 2Ural Championship 20092611312

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123211

1763Expert FleaUral Championship 2010605387

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416947

1840Victim of AdvertisingUral Championship 2011318474

1842Local RootsPetrozavodsk Summer 2010. USU Contest466016

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714159

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634615

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357476

1906The Lost CivilizationUral Championship 2012307711

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511646

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection663831

2016Magic and ScienceNEERC 2014 Eastern Subregional218334

2054AstronomyUral Championship 2015237421

2076VasianaQualification of Eastern Subregional 2015188073

2082PokerUral Championship 2016168423

2131Open CupLater is better than never155981

2137Dynamic string complexityLater is better than never136501
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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