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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5562718

1074Very Short ProblemUSU Personal Contest 20016632108

1148Building TowersDSAP Vietnam Online Contest November 20012881716

1166Funny Card GameNEERC 2001 Northern Subregional1443397

1171Lost in SpaceRomanian Online Contest December 20014011246

1177Like ComparisonsUSU Personal Contest 20024071230

1199Mouse1263596

1216Two Pawns and One KingUSU Championship 20022482005

1239Ghost BustersNEERC 20021613029

1271Sailing DirectionsUSU Championship 20031124289

1312TrayUral Championship 2004. Round 11702922

1344Gigantic TurnipUSU Championship 20041174175

1369Cockroach RaceUral Championship 2005. Round 24110410

1374MisereUral Championship 2005. Round 1518725

1376Dean's Pyramid 2Ural Championship 2005. Round 13711323

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548317

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1114399

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3711325

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548317

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925218

1394Ships. Version 22415655

1395Pascal vs. C++. Version 22192239

1399Economical Director488431

1415Mobile LifeUSU Championship 2005558164

1432Twofold LuckUSU Personal Contest 2006637108

1438Time Limit ExceededUSU Personal Contest 20061682915

1460WiresPetrozavodsk Winter 2006. USU Contest1183926

1464LightPetrozavodsk Winter 2006. USU Contest1722761

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1183894

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163956

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3810096

1536Delights of Pipe-weedUSU Personal Contest 2007547554

1548Sakura and StatisticsUral Championship 20073111682

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527501

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478159

1589SokobanNEERC 2007 Eastern Subregional1915929

1594Aztec Treasure914086

1596Knight Mare337804

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964117

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934237

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804849

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556714

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566516

1653Death ConveyorNEERC 2008 Eastern Subregional645811

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest616000

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113520

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest874391

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685461

1672Droid fliesPetrozavodsk Summer 2008. USU Contest398657

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635811

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784821

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359312

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1422757

1708Sum of Digits 2Ural Championship 2009359273

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193117

1763Expert FleaUral Championship 2010675035

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466522

1840Victim of AdvertisingUral Championship 2011426894

1842Local RootsPetrozavodsk Summer 2010. USU Contest525615

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793911

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724245

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436560

1906The Lost CivilizationUral Championship 2012396533

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest258662

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773485

2016Magic and ScienceNEERC 2014 Eastern Subregional336300

2054AstronomyUral Championship 2015335993

2076VasianaNEERC 2015 Eastern Subregional Qualifier286293

2082PokerUral Championship 2016276276

2131Open CupLater is better than never274430

2137Dynamic string complexityLater is better than never264553
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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