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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1074Very Short ProblemUSU Personal Contest 20016322112

1058ChocolateNEERC 2000 Central Subregional5182785

1177Like ComparisonsUSU Personal Contest 20023861240

1171Lost in SpaceRomanian Online Contest December 20013741276

1148Building TowersDSAP Vietnam Online Contest November 20012741723

1216Two Pawns and One KingUSU Championship 20022312056

1395Pascal vs. C++. Version 22002337

1312TrayUral Championship 2004. Round 11602967

1464LightPetrozavodsk Winter 2006. USU Contest1562892

1438Time Limit ExceededUSU Personal Contest 20061553013

1239Ghost BustersNEERC 20021523063

1166Funny Card GameNEERC 2001 Northern Subregional1333508

1199Mouse1273402

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262888

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1103965

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103126

1460WiresPetrozavodsk Winter 2006. USU Contest1054174

1344Gigantic TurnipUSU Championship 20041044465

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983704

1271Sailing DirectionsUSU Championship 2003974689

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest964488

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest925011

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest865324

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854326

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest804567

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774598

1594Aztec Treasure724710

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725012

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694034

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection623774

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605715

1763Expert FleaUral Championship 2010595218

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest575944

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566034

1536Delights of Pipe-weedUSU Personal Contest 2007547189

1432Twofold LuckUSU Personal Contest 2006537891

1848Fly HuntPetrozavodsk Summer 2010. USU Contest535058

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526453

1653Death ConveyorNEERC 2008 Eastern Subregional516628

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional496853

1415Mobile LifeUSU Championship 2005459263

1376Dean's Pyramid 2Ural Championship 2005. Round 1449464

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest449466

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439644

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest427904

1374MisereUral Championship 2005. Round 13810647

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389185

1842Local RootsPetrozavodsk Summer 2010. USU Contest386639

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379381

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377161

1399Economical Director3410589

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337400

1840Victim of AdvertisingUral Championship 2011298450

1906The Lost CivilizationUral Championship 2012297422

1369Cockroach RaceUral Championship 2005. Round 22813414

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2710763

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2610911

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513181

1708Sum of Digits 2Ural Championship 20092411499

1596Knight Mare239260

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116489

2054AstronomyUral Championship 2015207473

1548Sakura and StatisticsUral Championship 20071915704

2016Magic and ScienceNEERC 2014 Eastern Subregional188500

1394Ships. Version 21718932

2076VasianaQualification of Eastern Subregional 2015167877

2082PokerUral Championship 2016167598

1589SokobanNEERC 2007 Eastern Subregional1418235

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311813

2131Open CupLater is better than never106309

2137Dynamic string complexityLater is better than never96641
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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