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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4232876

1074Very Short ProblemUSU Personal Contest 20015452072

1148Building TowersDSAP Vietnam Online Contest November 20012081910

1166Funny Card GameNEERC 2001 Northern Subregional1163416

1171Lost in SpaceRomanian Online Contest December 20013091307

1177Like ComparisonsUSU Personal Contest 20023071320


1216Two Pawns and One KingUSU Championship 20022031988

1239Ghost BustersNEERC 20021412810

1271Sailing DirectionsUSU Championship 2003844580

1312TrayUral Championship 2004. Round 11452798

1344Gigantic TurnipUSU Championship 2004884478

1369Cockroach RaceUral Championship 2005. Round 22114184

1374MisereUral Championship 2005. Round 12811611

1376Dean's Pyramid 2Ural Championship 2005. Round 1389192

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313373

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest745254

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815761

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest369594

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775073

1394Ships. Version 2725961

1395Pascal vs. C++. Version 21482646

1399Economical Director2610823

1415Mobile LifeUSU Championship 2005389154

1432Twofold LuckUSU Personal Contest 2006438025

1438Time Limit ExceededUSU Personal Contest 20061273104

1460WiresPetrozavodsk Winter 2006. USU Contest914018

1464LightPetrozavodsk Winter 2006. USU Contest1322858

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest963782

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645417

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112400

1536Delights of Pipe-weedUSU Personal Contest 2007486604

1548Sakura and StatisticsUral Championship 20071614524

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211282

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest309026

1589SokobanNEERC 2007 Eastern Subregional622332

1594Aztec Treasure564523

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest574879

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest614604

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426286

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337601

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386651

1653Death ConveyorNEERC 2008 Eastern Subregional366940

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest406287

1661DodecahedronPetrozavodsk Winter 2008. USU Contest664136

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest634306

1668Death Star 2Petrozavodsk Winter 2008. USU Contest426045

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910768

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406245

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288218

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010203

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932972

1708Sum of Digits 2Ural Championship 20091512159

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962696

1763Expert FleaUral Championship 2010415267

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest306045

1840Victim of AdvertisingUral Championship 2011217541

1842Local RootsPetrozavodsk Summer 2010. USU Contest285825

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest603162

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285825

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest275968

1906The Lost CivilizationUral Championship 2012186712

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection98824

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection343811

2016Magic and ScienceNEERC 2014 Eastern Subregional145381

2076VasianaQualification of eastern subregional contest 201585067

2082PokerUral Championship 201655528