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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5522732

1074Very Short ProblemUSU Personal Contest 20016622106

1148Building TowersDSAP Vietnam Online Contest November 20012871719

1166Funny Card GameNEERC 2001 Northern Subregional1433413

1171Lost in SpaceRomanian Online Contest December 20014011243

1177Like ComparisonsUSU Personal Contest 20024031240

1199Mouse1223697

1216Two Pawns and One KingUSU Championship 20022462017

1239Ghost BustersNEERC 20021613024

1271Sailing DirectionsUSU Championship 20031114316

1312TrayUral Championship 2004. Round 11692932

1344Gigantic TurnipUSU Championship 20041174167

1369Cockroach RaceUral Championship 2005. Round 23910815

1374MisereUral Championship 2005. Round 1499004

1376Dean's Pyramid 2Ural Championship 2005. Round 13611549

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548302

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1104428

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611550

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548302

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925209

1394Ships. Version 21323101

1395Pascal vs. C++. Version 22182245

1399Economical Director488413

1415Mobile LifeUSU Championship 2005558149

1432Twofold LuckUSU Personal Contest 2006637094

1438Time Limit ExceededUSU Personal Contest 20061672926

1460WiresPetrozavodsk Winter 2006. USU Contest1173949

1464LightPetrozavodsk Winter 2006. USU Contest1722755

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1163948

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1134044

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3710289

1536Delights of Pipe-weedUSU Personal Contest 2007537657

1548Sakura and StatisticsUral Championship 20073011947

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527483

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478140

1589SokobanNEERC 2007 Eastern Subregional1023042

1594Aztec Treasure904115

1596Knight Mare327958

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964107

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934226

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804836

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest546801

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566498

1653Death ConveyorNEERC 2008 Eastern Subregional645796

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615983

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1093570

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest864425

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685446

1672Droid fliesPetrozavodsk Summer 2008. USU Contest379001

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635795

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784807

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359286

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1402786

1708Sum of Digits 2Ural Championship 2009359246

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1163181

1763Expert FleaUral Championship 2010675018

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466499

1840Victim of AdvertisingUral Championship 2011426869

1842Local RootsPetrozavodsk Summer 2010. USU Contest525593

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest773986

1848Fly HuntPetrozavodsk Summer 2010. USU Contest714281

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436534

1906The Lost CivilizationUral Championship 2012396505

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest248875

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest753550

2016Magic and ScienceNEERC 2014 Eastern Subregional336266

2054AstronomyUral Championship 2015335958

2076VasianaNEERC 2015 Eastern Subregional Qualifier286252

2082PokerUral Championship 2016266407

2131Open CupLater is better than never254635

2137Dynamic string complexityLater is better than never244771
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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