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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4832818

1074Very Short ProblemUSU Personal Contest 20016082074

1148Building TowersDSAP Vietnam Online Contest November 20012551748

1166Funny Card GameNEERC 2001 Northern Subregional1253526

1171Lost in SpaceRomanian Online Contest December 20013491292

1177Like ComparisonsUSU Personal Contest 20023631246


1216Two Pawns and One KingUSU Championship 20022182060

1239Ghost BustersNEERC 20021472996

1271Sailing DirectionsUSU Championship 2003944578

1312TrayUral Championship 2004. Round 11552903

1344Gigantic TurnipUSU Championship 2004974521

1369Cockroach RaceUral Championship 2005. Round 22713096

1374MisereUral Championship 2005. Round 13211571

1376Dean's Pyramid 2Ural Championship 2005. Round 1409719

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest399919

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest845171

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016201

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest409721

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest815341

1394Ships. Version 21420252

1395Pascal vs. C++. Version 21722553

1399Economical Director3110695

1415Mobile LifeUSU Championship 2005439137

1432Twofold LuckUSU Personal Contest 2006497988

1438Time Limit ExceededUSU Personal Contest 20061482983

1460WiresPetrozavodsk Winter 2006. USU Contest974237

1464LightPetrozavodsk Winter 2006. USU Contest1472888

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1043937

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest884580

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2711721

1536Delights of Pipe-weedUSU Personal Contest 2007526974

1548Sakura and StatisticsUral Championship 20071715831

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349368

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349368

1589SokobanNEERC 2007 Eastern Subregional1020438

1594Aztec Treasure654729

1596Knight Mare199307

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest794278

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest694819

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest625288

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest397770

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446921

1653Death ConveyorNEERC 2008 Eastern Subregional466673

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486366

1661DodecahedronPetrozavodsk Winter 2008. USU Contest784196

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest714558

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585430

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2410803

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535830

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest456679

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410636

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1152893

1708Sum of Digits 2Ural Championship 20092211240

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062957

1763Expert FleaUral Championship 2010535193

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356722

1840Victim of AdvertisingUral Championship 2011248679

1842Local RootsPetrozavodsk Summer 2010. USU Contest356304

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643833

1848Fly HuntPetrozavodsk Summer 2010. USU Contest415562

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest307080

1906The Lost CivilizationUral Championship 2012276836

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1111156

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection553605

2016Magic and ScienceNEERC 2014 Eastern Subregional177365

2054AstronomyUral Championship 2015176827

2076VasianaQualification of Eastern Subregional 2015146831

2082PokerUral Championship 2016127106