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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5532729

1074Very Short ProblemUSU Personal Contest 20016632105

1148Building TowersDSAP Vietnam Online Contest November 20012871720

1166Funny Card GameNEERC 2001 Northern Subregional1433415

1171Lost in SpaceRomanian Online Contest December 20014011244

1177Like ComparisonsUSU Personal Contest 20024041238

1199Mouse1223701

1216Two Pawns and One KingUSU Championship 20022462019

1239Ghost BustersNEERC 20021613026

1271Sailing DirectionsUSU Championship 20031114320

1312TrayUral Championship 2004. Round 11692935

1344Gigantic TurnipUSU Championship 20041174170

1369Cockroach RaceUral Championship 2005. Round 23910824

1374MisereUral Championship 2005. Round 1508861

1376Dean's Pyramid 2Ural Championship 2005. Round 13611558

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548308

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1104431

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611559

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548308

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925213

1394Ships. Version 21323119

1395Pascal vs. C++. Version 22182247

1399Economical Director488421

1415Mobile LifeUSU Championship 2005558156

1432Twofold LuckUSU Personal Contest 2006637100

1438Time Limit ExceededUSU Personal Contest 20061672928

1460WiresPetrozavodsk Winter 2006. USU Contest1173952

1464LightPetrozavodsk Winter 2006. USU Contest1722758

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1173920

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1153983

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3710298

1536Delights of Pipe-weedUSU Personal Contest 2007547544

1548Sakura and StatisticsUral Championship 20073011958

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527491

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478148

1589SokobanNEERC 2007 Eastern Subregional1023065

1594Aztec Treasure914080

1596Knight Mare327971

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964111

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934231

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804842

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556704

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566506

1653Death ConveyorNEERC 2008 Eastern Subregional645802

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615990

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1093574

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest864430

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685453

1672Droid fliesPetrozavodsk Summer 2008. USU Contest388824

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635802

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784813

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359297

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1412771

1708Sum of Digits 2Ural Championship 2009359257

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1173160

1763Expert FleaUral Championship 2010675025

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466508

1840Victim of AdvertisingUral Championship 2011426880

1842Local RootsPetrozavodsk Summer 2010. USU Contest525602

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest773992

1848Fly HuntPetrozavodsk Summer 2010. USU Contest714288

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436545

1906The Lost CivilizationUral Championship 2012396517

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest258638

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773476

2016Magic and ScienceNEERC 2014 Eastern Subregional336280

2054AstronomyUral Championship 2015335973

2076VasianaNEERC 2015 Eastern Subregional Qualifier286270

2082PokerUral Championship 2016266425

2131Open CupLater is better than never254656

2137Dynamic string complexityLater is better than never254655
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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