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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5272810

1074Very Short ProblemUSU Personal Contest 20016492111

1148Building TowersDSAP Vietnam Online Contest November 20012801731

1166Funny Card GameNEERC 2001 Northern Subregional1333593

1171Lost in SpaceRomanian Online Contest December 20013861269

1177Like ComparisonsUSU Personal Contest 20023931249

1199Mouse1313398

1216Two Pawns and One KingUSU Championship 20022332090

1239Ghost BustersNEERC 20021533120

1271Sailing DirectionsUSU Championship 20031014630

1312TrayUral Championship 2004. Round 11613021

1344Gigantic TurnipUSU Championship 20041064491

1369Cockroach RaceUral Championship 2005. Round 23212422

1374MisereUral Championship 2005. Round 13910675

1376Dean's Pyramid 2Ural Championship 2005. Round 1449686

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439870

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest954982

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2315852

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest469342

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855507

1394Ships. Version 22315853

1395Pascal vs. C++. Version 22082309

1399Economical Director3710192

1415Mobile LifeUSU Championship 2005469312

1432Twofold LuckUSU Personal Contest 2006547960

1438Time Limit ExceededUSU Personal Contest 20061602997

1460WiresPetrozavodsk Winter 2006. USU Contest1074212

1464LightPetrozavodsk Winter 2006. USU Contest1602899

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114038

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994483

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2712826

1536Delights of Pipe-weedUSU Personal Contest 2007557282

1548Sakura and StatisticsUral Championship 20072214649

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399277

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389471

1589SokobanNEERC 2007 Eastern Subregional1915566

1594Aztec Treasure774612

1596Knight Mare249488

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864432

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864432

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725188

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest438027

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516867

1653Death ConveyorNEERC 2008 Eastern Subregional536649

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536583

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003770

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804608

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605925

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711161

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566257

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695228

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910454

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312891

1708Sum of Digits 2Ural Championship 20092611274

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113226

1763Expert FleaUral Championship 2010595445

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest407056

1840Victim of AdvertisingUral Championship 2011318438

1842Local RootsPetrozavodsk Summer 2010. USU Contest456098

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest704192

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634594

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347612

1906The Lost CivilizationUral Championship 2012297868

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511582

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653861

2016Magic and ScienceNEERC 2014 Eastern Subregional218280

2054AstronomyUral Championship 2015227600

2076VasianaQualification of Eastern Subregional 2015188010

2082PokerUral Championship 2016168354

2131Open CupLater is better than never155904

2137Dynamic string complexityLater is better than never136417
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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