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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4672847

1074Very Short ProblemUSU Personal Contest 20015992058

1148Building TowersDSAP Vietnam Online Contest November 20012471763

1166Funny Card GameNEERC 2001 Northern Subregional1213558

1171Lost in SpaceRomanian Online Contest December 20013381303

1177Like ComparisonsUSU Personal Contest 20023351318


1216Two Pawns and One KingUSU Championship 20022152043

1239Ghost BustersNEERC 20021472932

1271Sailing DirectionsUSU Championship 2003904662

1312TrayUral Championship 2004. Round 11512914

1344Gigantic TurnipUSU Championship 2004954514

1369Cockroach RaceUral Championship 2005. Round 22513565

1374MisereUral Championship 2005. Round 12912211

1376Dean's Pyramid 2Ural Championship 2005. Round 1399719

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2414009

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest825177

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1817011

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest389923

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805292

1394Ships. Version 21122682

1395Pascal vs. C++. Version 21632627

1399Economical Director2910971

1415Mobile LifeUSU Championship 2005419304

1432Twofold LuckUSU Personal Contest 2006468238

1438Time Limit ExceededUSU Personal Contest 20061403075

1460WiresPetrozavodsk Winter 2006. USU Contest964179

1464LightPetrozavodsk Winter 2006. USU Contest1442877

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1033880

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest725346

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2412440

1536Delights of Pipe-weedUSU Personal Contest 2007516912

1548Sakura and StatisticsUral Championship 20071417359

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2511458

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349115

1589SokobanNEERC 2007 Eastern Subregional822087

1594Aztec Treasure614824

1596Knight Mare198831

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605272

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684731

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466589

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377851

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417095

1653Death ConveyorNEERC 2008 Eastern Subregional426959

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest476268

1661DodecahedronPetrozavodsk Winter 2008. USU Contest764154

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest674640

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466380

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2211104

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486127

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308884

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2210923

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1132842

1708Sum of Digits 2Ural Championship 20091712872

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052874

1763Expert FleaUral Championship 2010515154

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356428

1840Victim of AdvertisingUral Championship 2011238538

1842Local RootsPetrozavodsk Summer 2010. USU Contest336282

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643650

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405402

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296913

1906The Lost CivilizationUral Championship 2012266633

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010989

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543435

2016Magic and ScienceNEERC 2014 Eastern Subregional176803

2054AstronomyUral Championship 2015166496

2076VasianaQualification of Eastern Subregional 2015126733

2082PokerUral Championship 2016126380