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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5572714

1074Very Short ProblemUSU Personal Contest 20016632108

1148Building TowersDSAP Vietnam Online Contest November 20012891711

1166Funny Card GameNEERC 2001 Northern Subregional1443398

1171Lost in SpaceRomanian Online Contest December 20014011246

1177Like ComparisonsUSU Personal Contest 20024071231

1199Mouse1263597

1216Two Pawns and One KingUSU Championship 20022482006

1239Ghost BustersNEERC 20021613030

1271Sailing DirectionsUSU Championship 20031134255

1312TrayUral Championship 2004. Round 11702922

1344Gigantic TurnipUSU Championship 20041174175

1369Cockroach RaceUral Championship 2005. Round 24110412

1374MisereUral Championship 2005. Round 1518726

1376Dean's Pyramid 2Ural Championship 2005. Round 13711326

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548318

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1114400

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3811091

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548318

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925219

1394Ships. Version 22415659

1395Pascal vs. C++. Version 22192240

1399Economical Director488433

1415Mobile LifeUSU Championship 2005558166

1432Twofold LuckUSU Personal Contest 2006647013

1438Time Limit ExceededUSU Personal Contest 20061682916

1460WiresPetrozavodsk Winter 2006. USU Contest1183927

1464LightPetrozavodsk Winter 2006. USU Contest1722762

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1183895

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163957

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3810099

1536Delights of Pipe-weedUSU Personal Contest 2007557439

1548Sakura and StatisticsUral Championship 20073211406

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527503

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478161

1589SokobanNEERC 2007 Eastern Subregional1915933

1594Aztec Treasure914088

1596Knight Mare347630

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964119

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934239

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804851

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556716

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566518

1653Death ConveyorNEERC 2008 Eastern Subregional655736

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest616001

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113521

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest874393

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685463

1672Droid fliesPetrozavodsk Summer 2008. USU Contest398660

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635813

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784822

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359315

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1422758

1708Sum of Digits 2Ural Championship 2009359276

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193118

1763Expert FleaUral Championship 2010675036

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest476410

1840Victim of AdvertisingUral Championship 2011426897

1842Local RootsPetrozavodsk Summer 2010. USU Contest525617

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest793913

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724247

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436562

1906The Lost CivilizationUral Championship 2012396537

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest268425

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773487

2016Magic and ScienceNEERC 2014 Eastern Subregional336304

2054AstronomyUral Championship 2015335997

2076VasianaNEERC 2015 Eastern Subregional Qualifier286298

2082PokerUral Championship 2016276281

2131Open CupLater is better than never274436

2137Dynamic string complexityLater is better than never264559
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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