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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5262794

1074Very Short ProblemUSU Personal Contest 20016472102

1148Building TowersDSAP Vietnam Online Contest November 20012761742

1166Funny Card GameNEERC 2001 Northern Subregional1333569

1171Lost in SpaceRomanian Online Contest December 20013841266

1177Like ComparisonsUSU Personal Contest 20023931241

1199Mouse1303395

1216Two Pawns and One KingUSU Championship 20022322084

1239Ghost BustersNEERC 20021533099

1271Sailing DirectionsUSU Championship 20031014599

1312TrayUral Championship 2004. Round 11603018

1344Gigantic TurnipUSU Championship 20041064462

1369Cockroach RaceUral Championship 2005. Round 23112642

1374MisereUral Championship 2005. Round 13910605

1376Dean's Pyramid 2Ural Championship 2005. Round 1449623

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429994

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest944997

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216241

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459449

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855471

1394Ships. Version 22315749

1395Pascal vs. C++. Version 22042335

1399Economical Director3510562

1415Mobile LifeUSU Championship 2005469251

1432Twofold LuckUSU Personal Contest 2006547905

1438Time Limit ExceededUSU Personal Contest 20061592994

1460WiresPetrozavodsk Winter 2006. USU Contest1064217

1464LightPetrozavodsk Winter 2006. USU Contest1582912

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094075

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974532

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613077

1536Delights of Pipe-weedUSU Personal Contest 2007557224

1548Sakura and StatisticsUral Championship 20072214530

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest389389

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389389

1589SokobanNEERC 2007 Eastern Subregional1915430

1594Aztec Treasure764616

1596Knight Mare239628

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844482

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest844482

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725138

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437949

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516799

1653Death ConveyorNEERC 2008 Eastern Subregional526689

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526622

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983801

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804562

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605865

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611354

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566193

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest655450

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710904

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1292902

1708Sum of Digits 2Ural Championship 20092511475

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113190

1763Expert FleaUral Championship 2010595380

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387253

1840Victim of AdvertisingUral Championship 2011308532

1842Local RootsPetrozavodsk Summer 2010. USU Contest396747

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694185

1848Fly HuntPetrozavodsk Summer 2010. USU Contest624592

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337677

1906The Lost CivilizationUral Championship 2012297740

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511378

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection633897

2016Magic and ScienceNEERC 2014 Eastern Subregional198666

2054AstronomyUral Championship 2015207925

2076VasianaQualification of Eastern Subregional 2015178100

2082PokerUral Championship 2016168138

2131Open CupLater is better than never155659

2137Dynamic string complexityLater is better than never136150
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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