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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5272796

1074Very Short ProblemUSU Personal Contest 20016482104

1148Building TowersDSAP Vietnam Online Contest November 20012781734

1166Funny Card GameNEERC 2001 Northern Subregional1333576

1171Lost in SpaceRomanian Online Contest December 20013851266

1177Like ComparisonsUSU Personal Contest 20023931243

1199Mouse1303404

1216Two Pawns and One KingUSU Championship 20022322089

1239Ghost BustersNEERC 20021533105

1271Sailing DirectionsUSU Championship 20031014608

1312TrayUral Championship 2004. Round 11613007

1344Gigantic TurnipUSU Championship 20041064471

1369Cockroach RaceUral Championship 2005. Round 23112668

1374MisereUral Championship 2005. Round 13910626

1376Dean's Pyramid 2Ural Championship 2005. Round 1449642

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439826

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest945007

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216274

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459468

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855482

1394Ships. Version 22315781

1395Pascal vs. C++. Version 22042340

1399Economical Director3510587

1415Mobile LifeUSU Championship 2005469270

1432Twofold LuckUSU Personal Contest 2006547922

1438Time Limit ExceededUSU Personal Contest 20061602982

1460WiresPetrozavodsk Winter 2006. USU Contest1064226

1464LightPetrozavodsk Winter 2006. USU Contest1592901

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094085

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984501

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613109

1536Delights of Pipe-weedUSU Personal Contest 2007557242

1548Sakura and StatisticsUral Championship 20072214567

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399222

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389414

1589SokobanNEERC 2007 Eastern Subregional1915472

1594Aztec Treasure764631

1596Knight Mare239674

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854448

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864402

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725153

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437973

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516820

1653Death ConveyorNEERC 2008 Eastern Subregional536604

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536537

1661DodecahedronPetrozavodsk Winter 2008. USU Contest993778

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804576

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605884

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611390

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566213

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest675326

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710939

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312871

1708Sum of Digits 2Ural Championship 20092511512

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113201

1763Expert FleaUral Championship 2010595400

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387283

1840Victim of AdvertisingUral Championship 2011318359

1842Local RootsPetrozavodsk Summer 2010. USU Contest446150

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694203

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634549

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347537

1906The Lost CivilizationUral Championship 2012297780

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511441

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653814

2016Magic and ScienceNEERC 2014 Eastern Subregional198723

2054AstronomyUral Championship 2015217724

2076VasianaQualification of Eastern Subregional 2015187873

2082PokerUral Championship 2016168205

2131Open CupLater is better than never155735

2137Dynamic string complexityLater is better than never136233
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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