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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5502738

1074Very Short ProblemUSU Personal Contest 20016612107

1148Building TowersDSAP Vietnam Online Contest November 20012851728

1166Funny Card GameNEERC 2001 Northern Subregional1423431

1171Lost in SpaceRomanian Online Contest December 20013991248

1177Like ComparisonsUSU Personal Contest 20024011244

1199Mouse1213721

1216Two Pawns and One KingUSU Championship 20022452023

1239Ghost BustersNEERC 20021603038

1271Sailing DirectionsUSU Championship 20031094384

1312TrayUral Championship 2004. Round 11682946

1344Gigantic TurnipUSU Championship 20041154229

1369Cockroach RaceUral Championship 2005. Round 23811029

1374MisereUral Championship 2005. Round 1489150

1376Dean's Pyramid 2Ural Championship 2005. Round 13511793

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest538424

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084498

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3511794

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538424

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest915255

1394Ships. Version 21026538

1395Pascal vs. C++. Version 22172252

1399Economical Director468702

1415Mobile LifeUSU Championship 2005548268

1432Twofold LuckUSU Personal Contest 2006627185

1438Time Limit ExceededUSU Personal Contest 20061662939

1460WiresPetrozavodsk Winter 2006. USU Contest1154007

1464LightPetrozavodsk Winter 2006. USU Contest1702783

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153974

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1124072

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3610499

1536Delights of Pipe-weedUSU Personal Contest 2007527770

1548Sakura and StatisticsUral Championship 20072912237

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517595

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest468273

1589SokobanNEERC 2007 Eastern Subregional1023009

1594Aztec Treasure884192

1596Knight Mare318132

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944179

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914303

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest794883

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest536898

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556588

1653Death ConveyorNEERC 2008 Eastern Subregional635866

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606059

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1083594

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844512

1668Death Star 2Petrozavodsk Winter 2008. USU Contest675508

1672Droid fliesPetrozavodsk Summer 2008. USU Contest369181

1674Drunk KingPetrozavodsk Summer 2008. USU Contest625866

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest764911

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest349481

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1392800

1708Sum of Digits 2Ural Championship 2009349440

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153201

1763Expert FleaUral Championship 2010665075

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456603

1840Victim of AdvertisingUral Championship 2011416988

1842Local RootsPetrozavodsk Summer 2010. USU Contest515672

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754070

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694380

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest426645

1906The Lost CivilizationUral Championship 2012386623

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239118

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest743582

2016Magic and ScienceNEERC 2014 Eastern Subregional316550

2054AstronomyUral Championship 2015326078

2076VasianaNEERC 2015 Eastern Subregional Qualifier276396

2082PokerUral Championship 2016256563

2131Open CupLater is better than never234885

2137Dynamic string complexityLater is better than never234885
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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