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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5422760

1074Very Short ProblemUSU Personal Contest 20016552113

1148Building TowersDSAP Vietnam Online Contest November 20012821735

1166Funny Card GameNEERC 2001 Northern Subregional1353576

1171Lost in SpaceRomanian Online Contest December 20013911265

1177Like ComparisonsUSU Personal Contest 20023981246

1199Mouse1143904

1216Two Pawns and One KingUSU Championship 20022412042

1239Ghost BustersNEERC 20021553111

1271Sailing DirectionsUSU Championship 20031044549

1312TrayUral Championship 2004. Round 11623031

1344Gigantic TurnipUSU Championship 20041134273

1369Cockroach RaceUral Championship 2005. Round 23411963

1374MisereUral Championship 2005. Round 1439956

1376Dean's Pyramid 2Ural Championship 2005. Round 13112870

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest489099

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1044629

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest2813888

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest498945

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest875440

1394Ships. Version 22614660

1395Pascal vs. C++. Version 22122289

1399Economical Director419491

1415Mobile LifeUSU Championship 2005498917

1432Twofold LuckUSU Personal Contest 2006567791

1438Time Limit ExceededUSU Personal Contest 20061613007

1460WiresPetrozavodsk Winter 2006. USU Contest1104147

1464LightPetrozavodsk Winter 2006. USU Contest1622894

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1124045

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1084183

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2912298

1536Delights of Pipe-weedUSU Personal Contest 2007488249

1548Sakura and StatisticsUral Championship 20072314360

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest428843

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest428843

1589SokobanNEERC 2007 Eastern Subregional530447

1594Aztec Treasure854285

1596Knight Mare278895

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest914267

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874443

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest755070

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest477561

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516959

1653Death ConveyorNEERC 2008 Eastern Subregional586243

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest566370

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1033720

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

1668Death Star 2Petrozavodsk Winter 2008. USU Contest635759

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2910734

1674Drunk KingPetrozavodsk Summer 2008. USU Contest596067

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest725105

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3010335

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1322911

1708Sum of Digits 2Ural Championship 20092711125

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133222

1763Expert FleaUral Championship 2010615376

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest436775

1840Victim of AdvertisingUral Championship 2011338192

1842Local RootsPetrozavodsk Summer 2010. USU Contest466103

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714219

1848Fly HuntPetrozavodsk Summer 2010. USU Contest654557

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest367420

1906The Lost CivilizationUral Championship 2012327465

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest1810585

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest693752

2016Magic and ScienceNEERC 2014 Eastern Subregional257538

2054AstronomyUral Championship 2015276770

2076VasianaNEERC 2015 Eastern Subregional Qualifier237023

2082PokerUral Championship 2016207492

2131Open CupLater is better than never175771

2137Dynamic string complexityLater is better than never156232
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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