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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5192794

1074Very Short ProblemUSU Personal Contest 20016352113

1148Building TowersDSAP Vietnam Online Contest November 20012741732

1166Funny Card GameNEERC 2001 Northern Subregional1323549

1171Lost in SpaceRomanian Online Contest December 20013751279

1177Like ComparisonsUSU Personal Contest 20023881240

1199Mouse1283396

1216Two Pawns and One KingUSU Championship 20022302075

1239Ghost BustersNEERC 20021523078

1271Sailing DirectionsUSU Championship 2003974712

1312TrayUral Championship 2004. Round 11592999

1344Gigantic TurnipUSU Championship 20041034525

1369Cockroach RaceUral Championship 2005. Round 22713841

1374MisereUral Championship 2005. Round 13710925

1376Dean's Pyramid 2Ural Championship 2005. Round 1449508

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429875

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest915084

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116565

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439689

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855406

1394Ships. Version 22017118

1395Pascal vs. C++. Version 22002349

1399Economical Director3410648

1415Mobile LifeUSU Championship 2005449479

1432Twofold LuckUSU Personal Contest 2006528058

1438Time Limit ExceededUSU Personal Contest 20061553028

1460WiresPetrozavodsk Winter 2006. USU Contest1054196

1464LightPetrozavodsk Winter 2006. USU Contest1562907

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094019

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974470

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513256

1536Delights of Pipe-weedUSU Personal Contest 2007537345

1548Sakura and StatisticsUral Championship 20072015269

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369644

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379439

1589SokobanNEERC 2007 Eastern Subregional1716310

1594Aztec Treasure724746

1596Knight Mare239362

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844403

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest794650

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715109

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418115

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487021

1653Death ConveyorNEERC 2008 Eastern Subregional506787

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516606

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973766

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774632

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595840

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611143

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566078

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566078

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2511308

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262910

1708Sum of Digits 2Ural Championship 20092411586

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093177

1763Expert FleaUral Championship 2010595263

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377229

1840Victim of AdvertisingUral Championship 2011288758

1842Local RootsPetrozavodsk Summer 2010. USU Contest386708

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694076

1848Fly HuntPetrozavodsk Summer 2010. USU Contest554954

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327655

1906The Lost CivilizationUral Championship 2012287708

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311967

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613877

2016Magic and ScienceNEERC 2014 Eastern Subregional198334

2054AstronomyUral Championship 2015197860

2076VasianaQualification of Eastern Subregional 2015168025

2082PokerUral Championship 2016158058

2131Open CupLater is better than never116211

2137Dynamic string complexityLater is better than never106521
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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