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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5492738

1074Very Short ProblemUSU Personal Contest 20016602107

1148Building TowersDSAP Vietnam Online Contest November 20012851725

1166Funny Card GameNEERC 2001 Northern Subregional1413448

1171Lost in SpaceRomanian Online Contest December 20013981249

1177Like ComparisonsUSU Personal Contest 20024001245

1199Mouse1213714

1216Two Pawns and One KingUSU Championship 20022452019

1239Ghost BustersNEERC 20021593051

1271Sailing DirectionsUSU Championship 20031084414

1312TrayUral Championship 2004. Round 11682941

1344Gigantic TurnipUSU Championship 20041154222

1369Cockroach RaceUral Championship 2005. Round 23711245

1374MisereUral Championship 2005. Round 1479295

1376Dean's Pyramid 2Ural Championship 2005. Round 13412041

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest528547

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084491

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3312323

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538411

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest905299

1394Ships. Version 2829439

1395Pascal vs. C++. Version 22172248

1399Economical Director449007

1415Mobile LifeUSU Championship 2005528521

1432Twofold LuckUSU Personal Contest 2006627173

1438Time Limit ExceededUSU Personal Contest 20061652951

1460WiresPetrozavodsk Winter 2006. USU Contest1154000

1464LightPetrozavodsk Winter 2006. USU Contest1682809

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153967

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104132

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510711

1536Delights of Pipe-weedUSU Personal Contest 2007517882

1548Sakura and StatisticsUral Championship 20072812534

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517579

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest458406

1589SokobanNEERC 2007 Eastern Subregional924168

1594Aztec Treasure864268

1596Knight Mare318102

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944169

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914293

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest784927

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest517108

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional546674

1653Death ConveyorNEERC 2008 Eastern Subregional635851

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest606044

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1073616

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844501

1668Death Star 2Petrozavodsk Winter 2008. USU Contest665567

1672Droid fliesPetrozavodsk Summer 2008. USU Contest359362

1674Drunk KingPetrozavodsk Summer 2008. USU Contest615934

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754957

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest329907

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1372831

1708Sum of Digits 2Ural Championship 20093010358

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153192

1763Expert FleaUral Championship 2010645197

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456582

1840Victim of AdvertisingUral Championship 2011407105

1842Local RootsPetrozavodsk Summer 2010. USU Contest515652

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754056

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694365

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest406887

1906The Lost CivilizationUral Championship 2012366884

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239079

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest733610

2016Magic and ScienceNEERC 2014 Eastern Subregional306680

2054AstronomyUral Championship 2015326046

2076VasianaNEERC 2015 Eastern Subregional Qualifier266536

2082PokerUral Championship 2016246715

2131Open CupLater is better than never224990

2137Dynamic string complexityLater is better than never205322
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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