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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5372783

1074Very Short ProblemUSU Personal Contest 20016552111

1148Building TowersDSAP Vietnam Online Contest November 20012811739

1166Funny Card GameNEERC 2001 Northern Subregional1343597

1171Lost in SpaceRomanian Online Contest December 20013901267

1177Like ComparisonsUSU Personal Contest 20023961251

1199Mouse1133932

1216Two Pawns and One KingUSU Championship 20022412040

1239Ghost BustersNEERC 20021543127

1271Sailing DirectionsUSU Championship 20031034585

1312TrayUral Championship 2004. Round 11623028

1344Gigantic TurnipUSU Championship 20041114340

1369Cockroach RaceUral Championship 2005. Round 23312229

1374MisereUral Championship 2005. Round 14210138

1376Dean's Pyramid 2Ural Championship 2005. Round 12913517

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest479250

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest1004793

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2714250

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest489090

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865492

1394Ships. Version 22614646

1395Pascal vs. C++. Version 22112297

1399Economical Director409670

1415Mobile LifeUSU Championship 2005479221

1432Twofold LuckUSU Personal Contest 2006557903

1438Time Limit ExceededUSU Personal Contest 20061603022

1460WiresPetrozavodsk Winter 2006. USU Contest1084213

1464LightPetrozavodsk Winter 2006. USU Contest1622891

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114075

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1024402

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812607

1536Delights of Pipe-weedUSU Personal Contest 2007468534

1548Sakura and StatisticsUral Championship 20072214792

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest419006

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest409186

1589SokobanNEERC 2007 Eastern Subregional2015205

1594Aztec Treasure854278

1596Knight Mare259384

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest904304

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874437

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest745124

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457825

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516950

1653Death ConveyorNEERC 2008 Eastern Subregional576327

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546559

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1013782

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest814613

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625831

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2811001

1674Drunk KingPetrozavodsk Summer 2008. USU Contest576239

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest705225

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910585

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1322907

1708Sum of Digits 2Ural Championship 20092711108

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133217

1763Expert FleaUral Championship 2010605444

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest436762

1840Victim of AdvertisingUral Championship 2011338177

1842Local RootsPetrozavodsk Summer 2010. USU Contest466091

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714211

1848Fly HuntPetrozavodsk Summer 2010. USU Contest654548

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest367405

1906The Lost CivilizationUral Championship 2012317630

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1611372

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection693743

2016Magic and ScienceNEERC 2014 Eastern Subregional247738

2054AstronomyUral Championship 2015266936

2076VasianaQualification of Eastern Subregional 2015207699

2082PokerUral Championship 2016187999

2131Open CupLater is better than never165959

2137Dynamic string complexityLater is better than never136736
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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