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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1074Very Short ProblemUSU Personal Contest 20016482110

1058ChocolateNEERC 2000 Central Subregional5272803

1177Like ComparisonsUSU Personal Contest 20023931247

1171Lost in SpaceRomanian Online Contest December 20013851269

1148Building TowersDSAP Vietnam Online Contest November 20012801727

1216Two Pawns and One KingUSU Championship 20022332086

1395Pascal vs. C++. Version 22072314

1312TrayUral Championship 2004. Round 11613015

1438Time Limit ExceededUSU Personal Contest 20061602990

1464LightPetrozavodsk Winter 2006. USU Contest1592909

1239Ghost BustersNEERC 20021533114

1166Funny Card GameNEERC 2001 Northern Subregional1333585

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312882

1199Mouse1303414

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113215

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094096

1344Gigantic TurnipUSU Championship 20041064482

1460WiresPetrozavodsk Winter 2006. USU Contest1064238

1271Sailing DirectionsUSU Championship 20031014620

1661DodecahedronPetrozavodsk Winter 2008. USU Contest993793

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984513

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest945020

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864418

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855495

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854465

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804594

1594Aztec Treasure764650

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725172

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694226

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest675346

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653840

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634574

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605906

1763Expert FleaUral Championship 2010595425

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566237

1536Delights of Pipe-weedUSU Personal Contest 2007557264

1432Twofold LuckUSU Personal Contest 2006547943

1653Death ConveyorNEERC 2008 Eastern Subregional536629

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536563

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516846

1415Mobile LifeUSU Championship 2005469293

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459492

1842Local RootsPetrozavodsk Summer 2010. USU Contest456070

1376Dean's Pyramid 2Ural Championship 2005. Round 1449666

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439850

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest438003

1374MisereUral Championship 2005. Round 13910653

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399252

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389445

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387320

1399Economical Director3610388

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347578

1369Cockroach RaceUral Championship 2005. Round 23212397

1840Victim of AdvertisingUral Championship 2011318402

1906The Lost CivilizationUral Championship 2012297828

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2810694

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613149

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611435

1708Sum of Digits 2Ural Championship 20092511558

1394Ships. Version 22315820

1596Knight Mare239729

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216314

1548Sakura and StatisticsUral Championship 20072214612

2054AstronomyUral Championship 2015227546

1589SokobanNEERC 2007 Eastern Subregional1915524

2016Magic and ScienceNEERC 2014 Eastern Subregional198793

2076VasianaQualification of Eastern Subregional 2015187948

2082PokerUral Championship 2016168286

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511518

2131Open CupLater is better than never155827

2137Dynamic string complexityLater is better than never136333
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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