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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322802

1074Very Short ProblemUSU Personal Contest 20016502122

1148Building TowersDSAP Vietnam Online Contest November 20012801741

1166Funny Card GameNEERC 2001 Northern Subregional1333614

1171Lost in SpaceRomanian Online Contest December 20013881270

1177Like ComparisonsUSU Personal Contest 20023931257

1199Mouse1133922

1216Two Pawns and One KingUSU Championship 20022372069

1239Ghost BustersNEERC 20021543120

1271Sailing DirectionsUSU Championship 20031014658

1312TrayUral Championship 2004. Round 11623021

1344Gigantic TurnipUSU Championship 20041074479

1369Cockroach RaceUral Championship 2005. Round 23312203

1374MisereUral Championship 2005. Round 14210116

1376Dean's Pyramid 2Ural Championship 2005. Round 12813843

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459566

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest974917

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515032

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479230

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865480

1394Ships. Version 22515032

1395Pascal vs. C++. Version 22102302

1399Economical Director3710261

1415Mobile LifeUSU Championship 2005479202

1432Twofold LuckUSU Personal Contest 2006548008

1438Time Limit ExceededUSU Personal Contest 20061603015

1460WiresPetrozavodsk Winter 2006. USU Contest1074239

1464LightPetrozavodsk Winter 2006. USU Contest1602917

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114065

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994512

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812575

1536Delights of Pipe-weedUSU Personal Contest 2007458666

1548Sakura and StatisticsUral Championship 20072214753

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest418981

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399347

1589SokobanNEERC 2007 Eastern Subregional2015162

1594Aztec Treasure804500

1596Knight Mare249613

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864469

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874423

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest735169

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457800

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516927

1653Death ConveyorNEERC 2008 Eastern Subregional546602

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546538

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003804

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804649

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625811

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711261

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576219

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695274

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910549

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312918

1708Sum of Digits 2Ural Championship 20092711070

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123231

1763Expert FleaUral Championship 2010605423

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416997

1840Victim of AdvertisingUral Championship 2011318538

1842Local RootsPetrozavodsk Summer 2010. USU Contest466063

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714192

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634651

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367371

1906The Lost CivilizationUral Championship 2012317590

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511760

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683770

2016Magic and ScienceNEERC 2014 Eastern Subregional218430

2054AstronomyUral Championship 2015237513

2076VasianaQualification of Eastern Subregional 2015188183

2082PokerUral Championship 2016178226

2131Open CupLater is better than never156117

2137Dynamic string complexityLater is better than never136649
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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