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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4612868

1074Very Short ProblemUSU Personal Contest 20015982050

1148Building TowersDSAP Vietnam Online Contest November 20012471754

1166Funny Card GameNEERC 2001 Northern Subregional1203568

1171Lost in SpaceRomanian Online Contest December 20013371300

1177Like ComparisonsUSU Personal Contest 20023351312


1216Two Pawns and One KingUSU Championship 20022142042

1239Ghost BustersNEERC 20021462937

1271Sailing DirectionsUSU Championship 2003884735

1312TrayUral Championship 2004. Round 11512900

1344Gigantic TurnipUSU Championship 2004954493

1369Cockroach RaceUral Championship 2005. Round 22513503

1374MisereUral Championship 2005. Round 12912155

1376Dean's Pyramid 2Ural Championship 2005. Round 1399675

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2413945

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest815210

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816934

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest389878

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805268

1394Ships. Version 2924956

1395Pascal vs. C++. Version 21622629

1399Economical Director2910910

1415Mobile LifeUSU Championship 2005419262

1432Twofold LuckUSU Personal Contest 2006468198

1438Time Limit ExceededUSU Personal Contest 20061393081

1460WiresPetrozavodsk Winter 2006. USU Contest964157

1464LightPetrozavodsk Winter 2006. USU Contest1442862

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1013929

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715384

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2312745

1536Delights of Pipe-weedUSU Personal Contest 2007516873

1548Sakura and StatisticsUral Championship 20071417258

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411723

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349058

1589SokobanNEERC 2007 Eastern Subregional821948

1594Aztec Treasure604854

1596Knight Mare189036

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605234

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684698

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466543

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377796

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417044

1653Death ConveyorNEERC 2008 Eastern Subregional426908

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest466333

1661DodecahedronPetrozavodsk Winter 2008. USU Contest754172

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest674606

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466333

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2211021

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486081

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308817

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2210839

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1132820

1708Sum of Digits 2Ural Championship 20091712772

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052850

1763Expert FleaUral Championship 2010495281

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356363

1840Victim of AdvertisingUral Championship 2011238448

1842Local RootsPetrozavodsk Summer 2010. USU Contest336212

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643609

1848Fly HuntPetrozavodsk Summer 2010. USU Contest395451

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296836

1906The Lost CivilizationUral Championship 2012266546

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010828

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543384

2016Magic and ScienceNEERC 2014 Eastern Subregional176678

2054AstronomyUral Championship 2015166363

2076VasianaQualification of Eastern Subregional 2015126573

2082PokerUral Championship 2016116514