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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4152903

1074Very Short ProblemUSU Personal Contest 20015372083

1148Building TowersDSAP Vietnam Online Contest November 20012071902

1166Funny Card GameNEERC 2001 Northern Subregional1163387

1171Lost in SpaceRomanian Online Contest December 20013071304

1177Like ComparisonsUSU Personal Contest 20023061312


1216Two Pawns and One KingUSU Championship 20022031971

1239Ghost BustersNEERC 20021412786

1271Sailing DirectionsUSU Championship 2003844542

1312TrayUral Championship 2004. Round 11452775

1344Gigantic TurnipUSU Championship 2004884441

1369Cockroach RaceUral Championship 2005. Round 21915040

1374MisereUral Championship 2005. Round 12811518

1376Dean's Pyramid 2Ural Championship 2005. Round 1389119

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313266

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest725339

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815635

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3210423

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775032

1394Ships. Version 2627363

1395Pascal vs. C++. Version 21462656

1399Economical Director2610716

1415Mobile LifeUSU Championship 2005389080

1432Twofold LuckUSU Personal Contest 2006437956

1438Time Limit ExceededUSU Personal Contest 20061263100

1460WiresPetrozavodsk Winter 2006. USU Contest854232

1464LightPetrozavodsk Winter 2006. USU Contest1272934

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest953782

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest625515

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112275

1536Delights of Pipe-weedUSU Personal Contest 2007476651

1548Sakura and StatisticsUral Championship 20071514948

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211156

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest308925

1589SokobanNEERC 2007 Eastern Subregional523550

1594Aztec Treasure564456

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest554963

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest594675

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426204

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337502

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386561

1653Death ConveyorNEERC 2008 Eastern Subregional366846

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest406200

1661DodecahedronPetrozavodsk Winter 2008. USU Contest654133

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest614366

1668Death Star 2Petrozavodsk Winter 2008. USU Contest425962

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910618

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406158

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288103

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010056

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932929

1708Sum of Digits 2Ural Championship 20091511982

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962654

1763Expert FleaUral Championship 2010415176

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest305925

1840Victim of AdvertisingUral Championship 2011207630

1842Local RootsPetrozavodsk Summer 2010. USU Contest285696

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest603092

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285696

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest275835

1906The Lost CivilizationUral Championship 2012186529

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection89022

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection333778

2016Magic and ScienceNEERC 2014 Eastern Subregional145152

2076VasianaQualification of eastern subregional contest 201584747

2082PokerUral Championship 201655141