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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5492738

1074Very Short ProblemUSU Personal Contest 20016602106

1148Building TowersDSAP Vietnam Online Contest November 20012851725

1166Funny Card GameNEERC 2001 Northern Subregional1413448

1171Lost in SpaceRomanian Online Contest December 20013981248

1177Like ComparisonsUSU Personal Contest 20024001245

1199Mouse1203742

1216Two Pawns and One KingUSU Championship 20022452019

1239Ghost BustersNEERC 20021593050

1271Sailing DirectionsUSU Championship 20031084413

1312TrayUral Championship 2004. Round 11682940

1344Gigantic TurnipUSU Championship 20041154222

1369Cockroach RaceUral Championship 2005. Round 23711244

1374MisereUral Championship 2005. Round 1479294

1376Dean's Pyramid 2Ural Championship 2005. Round 13412040

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest528546

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1084490

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3212615

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest538410

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest895352

1394Ships. Version 2731167

1395Pascal vs. C++. Version 22172248

1399Economical Director449006

1415Mobile LifeUSU Championship 2005528520

1432Twofold LuckUSU Personal Contest 2006627172

1438Time Limit ExceededUSU Personal Contest 20061652951

1460WiresPetrozavodsk Winter 2006. USU Contest1153999

1464LightPetrozavodsk Winter 2006. USU Contest1682809

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1153966

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104132

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3510710

1536Delights of Pipe-weedUSU Personal Contest 2007517881

1548Sakura and StatisticsUral Championship 20072712871

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest517578

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest458405

1589SokobanNEERC 2007 Eastern Subregional825507

1594Aztec Treasure864267

1596Knight Mare318100

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest944168

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest914292

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest784926

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507225

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional546673

1653Death ConveyorNEERC 2008 Eastern Subregional635850

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest596130

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1073615

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest844500

1668Death Star 2Petrozavodsk Winter 2008. USU Contest665565

1672Droid fliesPetrozavodsk Summer 2008. USU Contest359360

1674Drunk KingPetrozavodsk Summer 2008. USU Contest615933

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest754956

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest3110147

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1372830

1708Sum of Digits 2Ural Championship 20092910621

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153192

1763Expert FleaUral Championship 2010645196

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest456580

1840Victim of AdvertisingUral Championship 2011407103

1842Local RootsPetrozavodsk Summer 2010. USU Contest515651

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest754055

1848Fly HuntPetrozavodsk Summer 2010. USU Contest694363

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest406885

1906The Lost CivilizationUral Championship 2012366882

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest239076

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest733609

2016Magic and ScienceNEERC 2014 Eastern Subregional296849

2054AstronomyUral Championship 2015316191

2076VasianaNEERC 2015 Eastern Subregional Qualifier266533

2082PokerUral Championship 2016246712

2131Open CupLater is better than never224986

2137Dynamic string complexityLater is better than never205319
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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