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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5432756

1074Very Short ProblemUSU Personal Contest 20016552113

1148Building TowersDSAP Vietnam Online Contest November 20012831730

1166Funny Card GameNEERC 2001 Northern Subregional1363552

1171Lost in SpaceRomanian Online Contest December 20013931259

1177Like ComparisonsUSU Personal Contest 20023981246

1199Mouse1143905

1216Two Pawns and One KingUSU Championship 20022412043

1239Ghost BustersNEERC 20021553111

1271Sailing DirectionsUSU Championship 20031044550

1312TrayUral Championship 2004. Round 11623031

1344Gigantic TurnipUSU Championship 20041134274

1369Cockroach RaceUral Championship 2005. Round 23411964

1374MisereUral Championship 2005. Round 1439957

1376Dean's Pyramid 2Ural Championship 2005. Round 13112871

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest489100

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1044630

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2813889

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest498945

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest875441

1394Ships. Version 22614661

1395Pascal vs. C++. Version 22122289

1399Economical Director419492

1415Mobile LifeUSU Championship 2005498918

1432Twofold LuckUSU Personal Contest 2006567792

1438Time Limit ExceededUSU Personal Contest 20061613007

1460WiresPetrozavodsk Winter 2006. USU Contest1104148

1464LightPetrozavodsk Winter 2006. USU Contest1622894

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1124046

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1084183

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912299

1536Delights of Pipe-weedUSU Personal Contest 2007488250

1548Sakura and StatisticsUral Championship 20072314362

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest428844

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest428844

1589SokobanNEERC 2007 Eastern Subregional530451

1594Aztec Treasure854285

1596Knight Mare278897

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest914268

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874444

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest755071

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest477562

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516960

1653Death ConveyorNEERC 2008 Eastern Subregional586244

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest566371

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1033721

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest814620

1668Death Star 2Petrozavodsk Winter 2008. USU Contest635760

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2910736

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596068

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest725106

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010337

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1322912

1708Sum of Digits 2Ural Championship 20092711126

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133222

1763Expert FleaUral Championship 2010615377

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest436776

1840Victim of AdvertisingUral Championship 2011338194

1842Local RootsPetrozavodsk Summer 2010. USU Contest466104

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714220

1848Fly HuntPetrozavodsk Summer 2010. USU Contest654558

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest367421

1906The Lost CivilizationUral Championship 2012327467

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1810588

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest693753

2016Magic and ScienceNEERC 2014 Eastern Subregional257540

2054AstronomyUral Championship 2015276772

2076VasianaNEERC 2015 Eastern Subregional Qualifier237025

2082PokerUral Championship 2016207495

2131Open CupLater is better than never185568

2137Dynamic string complexityLater is better than never165996
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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