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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4792825

1074Very Short ProblemUSU Personal Contest 20016082063

1148Building TowersDSAP Vietnam Online Contest November 20012531751

1166Funny Card GameNEERC 2001 Northern Subregional1253508

1171Lost in SpaceRomanian Online Contest December 20013441303

1177Like ComparisonsUSU Personal Contest 20023571260


1216Two Pawns and One KingUSU Championship 20022172058

1239Ghost BustersNEERC 20021472980

1271Sailing DirectionsUSU Championship 2003924644

1312TrayUral Championship 2004. Round 11552888

1344Gigantic TurnipUSU Championship 2004974498

1369Cockroach RaceUral Championship 2005. Round 22613392

1374MisereUral Championship 2005. Round 13211513

1376Dean's Pyramid 2Ural Championship 2005. Round 1409671

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest399870

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest845145

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016121

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest409672

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest815314

1394Ships. Version 21420152

1395Pascal vs. C++. Version 21682596

1399Economical Director3010896

1415Mobile LifeUSU Championship 2005439092

1432Twofold LuckUSU Personal Contest 2006497946

1438Time Limit ExceededUSU Personal Contest 20061482967

1460WiresPetrozavodsk Winter 2006. USU Contest974213

1464LightPetrozavodsk Winter 2006. USU Contest1472871

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1043914

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest854697

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2512315

1536Delights of Pipe-weedUSU Personal Contest 2007526931

1548Sakura and StatisticsUral Championship 20071616337

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349305

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349305

1589SokobanNEERC 2007 Eastern Subregional1020298

1594Aztec Treasure654689

1596Knight Mare199189

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest784293

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest694783

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest615321

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest397711

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446866

1653Death ConveyorNEERC 2008 Eastern Subregional466621

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486315

1661DodecahedronPetrozavodsk Winter 2008. USU Contest774210

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest704578

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585386

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2311040

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535783

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest456624

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2310867

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1152869

1708Sum of Digits 2Ural Championship 20092011889

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062930

1763Expert FleaUral Championship 2010535143

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356649

1840Victim of AdvertisingUral Championship 2011238842

1842Local RootsPetrozavodsk Summer 2010. USU Contest346371

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643788

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405606

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest297175

1906The Lost CivilizationUral Championship 2012276741

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1110985

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection553549

2016Magic and ScienceNEERC 2014 Eastern Subregional177225

2054AstronomyUral Championship 2015176685

2076VasianaQualification of Eastern Subregional 2015146667

2082PokerUral Championship 2016126925