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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4742834

1074Very Short ProblemUSU Personal Contest 20016052058

1148Building TowersDSAP Vietnam Online Contest November 20012521746

1166Funny Card GameNEERC 2001 Northern Subregional1213591

1171Lost in SpaceRomanian Online Contest December 20013441294

1177Like ComparisonsUSU Personal Contest 20023551258


1216Two Pawns and One KingUSU Championship 20022162053

1239Ghost BustersNEERC 20021472960

1271Sailing DirectionsUSU Championship 2003924613

1312TrayUral Championship 2004. Round 11542887

1344Gigantic TurnipUSU Championship 2004974469

1369Cockroach RaceUral Championship 2005. Round 22613306

1374MisereUral Championship 2005. Round 13211440

1376Dean's Pyramid 2Ural Championship 2005. Round 1409609

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2513730

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest835167

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1916570

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest409611

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest815281

1394Ships. Version 21221844

1395Pascal vs. C++. Version 21672593

1399Economical Director3010812

1415Mobile LifeUSU Championship 2005439033

1432Twofold LuckUSU Personal Contest 2006478170

1438Time Limit ExceededUSU Personal Contest 20061462985

1460WiresPetrozavodsk Winter 2006. USU Contest974182

1464LightPetrozavodsk Winter 2006. USU Contest1472850

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1043886

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest735337

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2412577

1536Delights of Pipe-weedUSU Personal Contest 2007526876

1548Sakura and StatisticsUral Championship 20071417555

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2511597

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349225

1589SokobanNEERC 2007 Eastern Subregional921180

1594Aztec Treasure644700

1596Knight Mare199038

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest754401

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest694736

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest545845

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest387794

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446797

1653Death ConveyorNEERC 2008 Eastern Subregional456673

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest476360

1661DodecahedronPetrozavodsk Winter 2008. USU Contest774166

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest684647

1668Death Star 2Petrozavodsk Winter 2008. USU Contest486250

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2310926

1674Drunk KingPetrozavodsk Summer 2008. USU Contest525815

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest387512

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2310751

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1152838

1708Sum of Digits 2Ural Championship 20091912166

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062896

1763Expert FleaUral Championship 2010535079

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356556

1840Victim of AdvertisingUral Championship 2011238714

1842Local RootsPetrozavodsk Summer 2010. USU Contest346273

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643730

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405520

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest297064

1906The Lost CivilizationUral Championship 2012276620

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1110766

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection553479

2016Magic and ScienceNEERC 2014 Eastern Subregional177048

2054AstronomyUral Championship 2015176504

2076VasianaQualification of Eastern Subregional 2015136739

2082PokerUral Championship 2016126696