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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5282806

1074Very Short ProblemUSU Personal Contest 20016492112

1148Building TowersDSAP Vietnam Online Contest November 20012801731

1166Funny Card GameNEERC 2001 Northern Subregional1333595

1171Lost in SpaceRomanian Online Contest December 20013861269

1177Like ComparisonsUSU Personal Contest 20023931250

1199Mouse1313400

1216Two Pawns and One KingUSU Championship 20022332091

1239Ghost BustersNEERC 20021533122

1271Sailing DirectionsUSU Championship 20031014632

1312TrayUral Championship 2004. Round 11613023

1344Gigantic TurnipUSU Championship 20041064493

1369Cockroach RaceUral Championship 2005. Round 23212428

1374MisereUral Championship 2005. Round 13910679

1376Dean's Pyramid 2Ural Championship 2005. Round 1449691

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest449692

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964937

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2415393

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479182

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855509

1394Ships. Version 22315860

1395Pascal vs. C++. Version 22082310

1399Economical Director3710197

1415Mobile LifeUSU Championship 2005469317

1432Twofold LuckUSU Personal Contest 2006547964

1438Time Limit ExceededUSU Personal Contest 20061602998

1460WiresPetrozavodsk Winter 2006. USU Contest1074214

1464LightPetrozavodsk Winter 2006. USU Contest1602900

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114040

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994485

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2712832

1536Delights of Pipe-weedUSU Personal Contest 2007557286

1548Sakura and StatisticsUral Championship 20072214657

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399283

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389476

1589SokobanNEERC 2007 Eastern Subregional1915575

1594Aztec Treasure774616

1596Knight Mare249498

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864434

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864434

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725191

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest438032

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516872

1653Death ConveyorNEERC 2008 Eastern Subregional536654

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536588

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003773

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804612

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605929

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711169

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566261

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695231

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910461

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312893

1708Sum of Digits 2Ural Championship 20092611283

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113229

1763Expert FleaUral Championship 2010595449

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest407062

1840Victim of AdvertisingUral Championship 2011318446

1842Local RootsPetrozavodsk Summer 2010. USU Contest465995

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714144

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634599

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347619

1906The Lost CivilizationUral Championship 2012297877

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511595

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653866

2016Magic and ScienceNEERC 2014 Eastern Subregional218291

2054AstronomyUral Championship 2015227611

2076VasianaQualification of Eastern Subregional 2015188023

2082PokerUral Championship 2016168369

2131Open CupLater is better than never155920

2137Dynamic string complexityLater is better than never136435
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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