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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5282810

1074Very Short ProblemUSU Personal Contest 20016492115

1148Building TowersDSAP Vietnam Online Contest November 20012801734

1166Funny Card GameNEERC 2001 Northern Subregional1333599

1171Lost in SpaceRomanian Online Contest December 20013871268

1177Like ComparisonsUSU Personal Contest 20023931252

1199Mouse1313405

1216Two Pawns and One KingUSU Championship 20022342085

1239Ghost BustersNEERC 20021543107

1271Sailing DirectionsUSU Championship 20031014638

1312TrayUral Championship 2004. Round 11613026

1344Gigantic TurnipUSU Championship 20041064499

1369Cockroach RaceUral Championship 2005. Round 23312154

1374MisereUral Championship 2005. Round 14110274

1376Dean's Pyramid 2Ural Championship 2005. Round 1449703

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459528

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964944

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2415412

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479193

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855516

1394Ships. Version 22415413

1395Pascal vs. C++. Version 22082313

1399Economical Director3710213

1415Mobile LifeUSU Championship 2005479165

1432Twofold LuckUSU Personal Contest 2006547975

1438Time Limit ExceededUSU Personal Contest 20061603002

1460WiresPetrozavodsk Winter 2006. USU Contest1074220

1464LightPetrozavodsk Winter 2006. USU Contest1602904

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114046

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994491

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812514

1536Delights of Pipe-weedUSU Personal Contest 2007557298

1548Sakura and StatisticsUral Championship 20072214680

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest409112

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399298

1589SokobanNEERC 2007 Eastern Subregional1915602

1594Aztec Treasure774625

1596Knight Mare249525

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864443

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874397

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725201

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457755

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516885

1653Death ConveyorNEERC 2008 Eastern Subregional536667

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546498

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003780

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804621

1668Death Star 2Petrozavodsk Winter 2008. USU Contest615857

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711191

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566274

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695241

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910482

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312899

1708Sum of Digits 2Ural Championship 20092611305

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123209

1763Expert FleaUral Championship 2010595462

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416942

1840Victim of AdvertisingUral Championship 2011318468

1842Local RootsPetrozavodsk Summer 2010. USU Contest466011

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714156

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634611

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357470

1906The Lost CivilizationUral Championship 2012297901

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511635

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection663828

2016Magic and ScienceNEERC 2014 Eastern Subregional218325

2054AstronomyUral Championship 2015227644

2076VasianaQualification of Eastern Subregional 2015188062

2082PokerUral Championship 2016168411

2131Open CupLater is better than never155968

2137Dynamic string complexityLater is better than never136486
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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