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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5192788

1074Very Short ProblemUSU Personal Contest 20016342112

1148Building TowersDSAP Vietnam Online Contest November 20012741728

1166Funny Card GameNEERC 2001 Northern Subregional1323542

1171Lost in SpaceRomanian Online Contest December 20013731283

1177Like ComparisonsUSU Personal Contest 20023871240

1199Mouse1283388

1216Two Pawns and One KingUSU Championship 20022302071

1239Ghost BustersNEERC 20021523072

1271Sailing DirectionsUSU Championship 2003974702

1312TrayUral Championship 2004. Round 11592993

1344Gigantic TurnipUSU Championship 20041034516

1369Cockroach RaceUral Championship 2005. Round 22713813

1374MisereUral Championship 2005. Round 13710903

1376Dean's Pyramid 2Ural Championship 2005. Round 1449490

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429856

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest915074

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116533

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439670

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855395

1394Ships. Version 22017084

1395Pascal vs. C++. Version 22002344

1399Economical Director3410623

1415Mobile LifeUSU Championship 2005449460

1432Twofold LuckUSU Personal Contest 2006528041

1438Time Limit ExceededUSU Personal Contest 20061553021

1460WiresPetrozavodsk Winter 2006. USU Contest1054187

1464LightPetrozavodsk Winter 2006. USU Contest1562901

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094010

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974460

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513224

1536Delights of Pipe-weedUSU Personal Contest 2007537327

1548Sakura and StatisticsUral Championship 20072015231

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369618

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379414

1589SokobanNEERC 2007 Eastern Subregional1517568

1594Aztec Treasure714789

1596Knight Mare239318

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844390

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest794636

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715094

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418091

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487000

1653Death ConveyorNEERC 2008 Eastern Subregional506766

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516586

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973754

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest764671

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595822

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611108

1674Drunk KingPetrozavodsk Summer 2008. USU Contest556152

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566059

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2511271

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262901

1708Sum of Digits 2Ural Championship 20092411549

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093167

1763Expert FleaUral Championship 2010585321

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377200

1840Victim of AdvertisingUral Championship 2011288721

1842Local RootsPetrozavodsk Summer 2010. USU Contest386679

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694058

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535089

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327621

1906The Lost CivilizationUral Championship 2012287669

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311901

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613856

2016Magic and ScienceNEERC 2014 Eastern Subregional198280

2054AstronomyUral Championship 2015197805

2076VasianaQualification of Eastern Subregional 2015167962

2082PokerUral Championship 2016157991

2131Open CupLater is better than never106431

2137Dynamic string complexityLater is better than never96769
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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