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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5252799

1074Very Short ProblemUSU Personal Contest 20016462105

1148Building TowersDSAP Vietnam Online Contest November 20012761742

1166Funny Card GameNEERC 2001 Northern Subregional1333568

1171Lost in SpaceRomanian Online Contest December 20013831269

1177Like ComparisonsUSU Personal Contest 20023931240

1199Mouse1303395

1216Two Pawns and One KingUSU Championship 20022322084

1239Ghost BustersNEERC 20021533098

1271Sailing DirectionsUSU Championship 20031014598

1312TrayUral Championship 2004. Round 11603018

1344Gigantic TurnipUSU Championship 20041064461

1369Cockroach RaceUral Championship 2005. Round 23112639

1374MisereUral Championship 2005. Round 13910603

1376Dean's Pyramid 2Ural Championship 2005. Round 1449621

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429993

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest944996

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216238

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459448

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855470

1394Ships. Version 22315746

1395Pascal vs. C++. Version 22042335

1399Economical Director3510559

1415Mobile LifeUSU Championship 2005469249

1432Twofold LuckUSU Personal Contest 2006547904

1438Time Limit ExceededUSU Personal Contest 20061592993

1460WiresPetrozavodsk Winter 2006. USU Contest1064216

1464LightPetrozavodsk Winter 2006. USU Contest1582911

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094074

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974531

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613074

1536Delights of Pipe-weedUSU Personal Contest 2007557223

1548Sakura and StatisticsUral Championship 20072214527

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379587

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389387

1589SokobanNEERC 2007 Eastern Subregional1915427

1594Aztec Treasure764615

1596Knight Mare239624

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844481

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest844481

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725136

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437947

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516797

1653Death ConveyorNEERC 2008 Eastern Subregional526688

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526620

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983800

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804560

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605863

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611351

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566192

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest655449

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710901

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1292902

1708Sum of Digits 2Ural Championship 20092511472

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113189

1763Expert FleaUral Championship 2010595378

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387251

1840Victim of AdvertisingUral Championship 2011308529

1842Local RootsPetrozavodsk Summer 2010. USU Contest396744

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694183

1848Fly HuntPetrozavodsk Summer 2010. USU Contest624590

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337675

1906The Lost CivilizationUral Championship 2012297737

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511372

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection633895

2016Magic and ScienceNEERC 2014 Eastern Subregional198662

2054AstronomyUral Championship 2015207920

2076VasianaQualification of Eastern Subregional 2015178095

2082PokerUral Championship 2016168132

2131Open CupLater is better than never155652

2137Dynamic string complexityLater is better than never136144
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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