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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5272798

1074Very Short ProblemUSU Personal Contest 20016482106

1148Building TowersDSAP Vietnam Online Contest November 20012791730

1166Funny Card GameNEERC 2001 Northern Subregional1333579

1171Lost in SpaceRomanian Online Contest December 20013851267

1177Like ComparisonsUSU Personal Contest 20023931244

1199Mouse1303407

1216Two Pawns and One KingUSU Championship 20022332082

1239Ghost BustersNEERC 20021533108

1271Sailing DirectionsUSU Championship 20031014612

1312TrayUral Championship 2004. Round 11613010

1344Gigantic TurnipUSU Championship 20041064475

1369Cockroach RaceUral Championship 2005. Round 23212376

1374MisereUral Championship 2005. Round 13910635

1376Dean's Pyramid 2Ural Championship 2005. Round 1449650

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439834

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest945011

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216287

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459476

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855486

1394Ships. Version 22315794

1395Pascal vs. C++. Version 22042342

1399Economical Director3610367

1415Mobile LifeUSU Championship 2005469278

1432Twofold LuckUSU Personal Contest 2006547929

1438Time Limit ExceededUSU Personal Contest 20061602985

1460WiresPetrozavodsk Winter 2006. USU Contest1064230

1464LightPetrozavodsk Winter 2006. USU Contest1592904

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094089

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984505

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613123

1536Delights of Pipe-weedUSU Personal Contest 2007557250

1548Sakura and StatisticsUral Championship 20072214582

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399232

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389425

1589SokobanNEERC 2007 Eastern Subregional1915489

1594Aztec Treasure764638

1596Knight Mare239692

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854454

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864407

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725160

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437983

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516829

1653Death ConveyorNEERC 2008 Eastern Subregional536612

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536546

1661DodecahedronPetrozavodsk Winter 2008. USU Contest993783

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804582

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605891

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611405

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566221

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest675332

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2810665

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312874

1708Sum of Digits 2Ural Championship 20092511528

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113206

1763Expert FleaUral Championship 2010595408

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387296

1840Victim of AdvertisingUral Championship 2011318373

1842Local RootsPetrozavodsk Summer 2010. USU Contest446161

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694211

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634557

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347550

1906The Lost CivilizationUral Championship 2012297796

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511466

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653823

2016Magic and ScienceNEERC 2014 Eastern Subregional198747

2054AstronomyUral Championship 2015227504

2076VasianaQualification of Eastern Subregional 2015187898

2082PokerUral Championship 2016168232

2131Open CupLater is better than never155765

2137Dynamic string complexityLater is better than never136266
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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