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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4662845

1074Very Short ProblemUSU Personal Contest 20015992052

1148Building TowersDSAP Vietnam Online Contest November 20012471758

1166Funny Card GameNEERC 2001 Northern Subregional1203576

1171Lost in SpaceRomanian Online Contest December 20013371304

1177Like ComparisonsUSU Personal Contest 20023351315


1216Two Pawns and One KingUSU Championship 20022152037

1239Ghost BustersNEERC 20021462944

1271Sailing DirectionsUSU Championship 2003884746

1312TrayUral Championship 2004. Round 11512907

1344Gigantic TurnipUSU Championship 2004954503

1369Cockroach RaceUral Championship 2005. Round 22513533

1374MisereUral Championship 2005. Round 12912183

1376Dean's Pyramid 2Ural Championship 2005. Round 1399696

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2413976

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest815222

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816971

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest389900

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805280

1394Ships. Version 21122629

1395Pascal vs. C++. Version 21622636

1399Economical Director2910940

1415Mobile LifeUSU Championship 2005419282

1432Twofold LuckUSU Personal Contest 2006468217

1438Time Limit ExceededUSU Personal Contest 20061393088

1460WiresPetrozavodsk Winter 2006. USU Contest964168

1464LightPetrozavodsk Winter 2006. USU Contest1442869

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1023904

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715398

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2312780

1536Delights of Pipe-weedUSU Personal Contest 2007516892

1548Sakura and StatisticsUral Championship 20071417307

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411758

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349086

1589SokobanNEERC 2007 Eastern Subregional822016

1594Aztec Treasure614804

1596Knight Mare189090

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605253

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684714

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466566

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377823

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417069

1653Death ConveyorNEERC 2008 Eastern Subregional426933

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest476244

1661DodecahedronPetrozavodsk Winter 2008. USU Contest754187

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest674622

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466356

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2211061

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486103

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308849

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2210880

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1132831

1708Sum of Digits 2Ural Championship 20091712821

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052862

1763Expert FleaUral Championship 2010515130

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356395

1840Victim of AdvertisingUral Championship 2011238492

1842Local RootsPetrozavodsk Summer 2010. USU Contest336246

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643629

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405371

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296873

1906The Lost CivilizationUral Championship 2012266589

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010907

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543409

2016Magic and ScienceNEERC 2014 Eastern Subregional176739

2054AstronomyUral Championship 2015166428

2076VasianaQualification of Eastern Subregional 2015126651

2082PokerUral Championship 2016116597