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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5262796

1074Very Short ProblemUSU Personal Contest 20016482101

1148Building TowersDSAP Vietnam Online Contest November 20012781731

1166Funny Card GameNEERC 2001 Northern Subregional1333571

1171Lost in SpaceRomanian Online Contest December 20013851264

1177Like ComparisonsUSU Personal Contest 20023931241

1199Mouse1303398

1216Two Pawns and One KingUSU Championship 20022322085

1239Ghost BustersNEERC 20021533101

1271Sailing DirectionsUSU Championship 20031014601

1312TrayUral Championship 2004. Round 11603020

1344Gigantic TurnipUSU Championship 20041064464

1369Cockroach RaceUral Championship 2005. Round 23112649

1374MisereUral Championship 2005. Round 13910611

1376Dean's Pyramid 2Ural Championship 2005. Round 1449628

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest4210000

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest945000

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216250

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459455

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855474

1394Ships. Version 22315758

1395Pascal vs. C++. Version 22042336

1399Economical Director3510569

1415Mobile LifeUSU Championship 2005469256

1432Twofold LuckUSU Personal Contest 2006547910

1438Time Limit ExceededUSU Personal Contest 20061602978

1460WiresPetrozavodsk Winter 2006. USU Contest1064219

1464LightPetrozavodsk Winter 2006. USU Contest1582913

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094078

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974535

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613086

1536Delights of Pipe-weedUSU Personal Contest 2007557229

1548Sakura and StatisticsUral Championship 20072214540

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest389396

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389396

1589SokobanNEERC 2007 Eastern Subregional1915442

1594Aztec Treasure764620

1596Knight Mare239641

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844486

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864392

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725142

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437956

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516805

1653Death ConveyorNEERC 2008 Eastern Subregional526695

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526628

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983805

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804566

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605870

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611364

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566199

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest665383

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710914

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1302884

1708Sum of Digits 2Ural Championship 20092511485

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113193

1763Expert FleaUral Championship 2010595386

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387262

1840Victim of AdvertisingUral Championship 2011308542

1842Local RootsPetrozavodsk Summer 2010. USU Contest416490

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694190

1848Fly HuntPetrozavodsk Summer 2010. USU Contest624597

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337687

1906The Lost CivilizationUral Championship 2012297752

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511395

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection633903

2016Magic and ScienceNEERC 2014 Eastern Subregional198682

2054AstronomyUral Championship 2015207941

2076VasianaQualification of Eastern Subregional 2015178118

2082PokerUral Championship 2016168157

2131Open CupLater is better than never155680

2137Dynamic string complexityLater is better than never136174
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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