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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5522731

1074Very Short ProblemUSU Personal Contest 20016622106

1148Building TowersDSAP Vietnam Online Contest November 20012871718

1166Funny Card GameNEERC 2001 Northern Subregional1433412

1171Lost in SpaceRomanian Online Contest December 20014011243

1177Like ComparisonsUSU Personal Contest 20024031240

1199Mouse1223697

1216Two Pawns and One KingUSU Championship 20022462017

1239Ghost BustersNEERC 20021613023

1271Sailing DirectionsUSU Championship 20031114316

1312TrayUral Championship 2004. Round 11692932

1344Gigantic TurnipUSU Championship 20041174166

1369Cockroach RaceUral Championship 2005. Round 23910814

1374MisereUral Championship 2005. Round 1499003

1376Dean's Pyramid 2Ural Championship 2005. Round 13611547

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548300

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1104427

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611548

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548300

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925208

1394Ships. Version 21224148

1395Pascal vs. C++. Version 22182244

1399Economical Director488411

1415Mobile LifeUSU Championship 2005558148

1432Twofold LuckUSU Personal Contest 2006637093

1438Time Limit ExceededUSU Personal Contest 20061672925

1460WiresPetrozavodsk Winter 2006. USU Contest1173948

1464LightPetrozavodsk Winter 2006. USU Contest1722755

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1163947

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1134043

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3710287

1536Delights of Pipe-weedUSU Personal Contest 2007527779

1548Sakura and StatisticsUral Championship 20073011945

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527482

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478138

1589SokobanNEERC 2007 Eastern Subregional1023037

1594Aztec Treasure904114

1596Knight Mare327955

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964106

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934225

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804835

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest546800

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566497

1653Death ConveyorNEERC 2008 Eastern Subregional645794

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615982

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1093569

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest864424

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685445

1672Droid fliesPetrozavodsk Summer 2008. USU Contest378999

1674Drunk KingPetrozavodsk Summer 2008. USU Contest625874

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784806

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest349494

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1392804

1708Sum of Digits 2Ural Championship 2009359244

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1163181

1763Expert FleaUral Championship 2010675017

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466497

1840Victim of AdvertisingUral Championship 2011426867

1842Local RootsPetrozavodsk Summer 2010. USU Contest525591

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest773985

1848Fly HuntPetrozavodsk Summer 2010. USU Contest714280

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436532

1906The Lost CivilizationUral Championship 2012396503

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest248871

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest753549

2016Magic and ScienceNEERC 2014 Eastern Subregional336263

2054AstronomyUral Championship 2015335955

2076VasianaNEERC 2015 Eastern Subregional Qualifier286249

2082PokerUral Championship 2016266403

2131Open CupLater is better than never254631

2137Dynamic string complexityLater is better than never244767
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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