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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4592862

1074Very Short ProblemUSU Personal Contest 20015972041

1148Building TowersDSAP Vietnam Online Contest November 20012451756

1166Funny Card GameNEERC 2001 Northern Subregional1193574

1171Lost in SpaceRomanian Online Contest December 20013301319

1177Like ComparisonsUSU Personal Contest 20023311319


1216Two Pawns and One KingUSU Championship 20022132038

1239Ghost BustersNEERC 20021432976

1271Sailing DirectionsUSU Championship 2003874755

1312TrayUral Championship 2004. Round 11512883

1344Gigantic TurnipUSU Championship 2004944510

1369Cockroach RaceUral Championship 2005. Round 22314239

1374MisereUral Championship 2005. Round 12912085

1376Dean's Pyramid 2Ural Championship 2005. Round 1399619

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314285

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest795297

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816836

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3710030

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805238

1394Ships. Version 2826191

1395Pascal vs. C++. Version 21622613

1399Economical Director2910834

1415Mobile LifeUSU Championship 2005409392

1432Twofold LuckUSU Personal Contest 2006468148

1438Time Limit ExceededUSU Personal Contest 20061383083

1460WiresPetrozavodsk Winter 2006. USU Contest954169

1464LightPetrozavodsk Winter 2006. USU Contest1442843

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003938

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715347

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213049

1536Delights of Pipe-weedUSU Personal Contest 2007516824

1548Sakura and StatisticsUral Championship 20071317876

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411631

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329415

1589SokobanNEERC 2007 Eastern Subregional821774

1594Aztec Treasure594874

1596Knight Mare179227

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605187

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684655

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466484

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377726

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional416978

1653Death ConveyorNEERC 2008 Eastern Subregional416978

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest456387

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744182

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664622

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466273

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2210916

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486023

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308733

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2111079

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1062961

1708Sum of Digits 2Ural Championship 20091613133

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032870

1763Expert FleaUral Championship 2010455600

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346423

1840Victim of AdvertisingUral Championship 2011238334

1842Local RootsPetrozavodsk Summer 2010. USU Contest336123

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643558

1848Fly HuntPetrozavodsk Summer 2010. USU Contest375602

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296738

1906The Lost CivilizationUral Championship 2012256620

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010625

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523428

2016Magic and ScienceNEERC 2014 Eastern Subregional176521

2054AstronomyUral Championship 2015166197

2076VasianaQualification of Eastern Subregional 2015126371

2082PokerUral Championship 2016116301