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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4542872

1074Very Short ProblemUSU Personal Contest 20015942036

1148Building TowersDSAP Vietnam Online Contest November 20012441751

1166Funny Card GameNEERC 2001 Northern Subregional1193551

1171Lost in SpaceRomanian Online Contest December 20013301310

1177Like ComparisonsUSU Personal Contest 20023301313


1216Two Pawns and One KingUSU Championship 20022122034

1239Ghost BustersNEERC 20021432956

1271Sailing DirectionsUSU Championship 2003874724

1312TrayUral Championship 2004. Round 11512865

1344Gigantic TurnipUSU Championship 2004944482

1369Cockroach RaceUral Championship 2005. Round 22314149

1374MisereUral Championship 2005. Round 12912010

1376Dean's Pyramid 2Ural Championship 2005. Round 1399559

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314196

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest785324

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816731

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379967

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795264

1394Ships. Version 2826027

1395Pascal vs. C++. Version 21592641

1399Economical Director2910751

1415Mobile LifeUSU Championship 2005409333

1432Twofold LuckUSU Personal Contest 2006468094

1438Time Limit ExceededUSU Personal Contest 20061383062

1460WiresPetrozavodsk Winter 2006. USU Contest954140

1464LightPetrozavodsk Winter 2006. USU Contest1432841

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003909

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715309

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212948

1536Delights of Pipe-weedUSU Personal Contest 2007516770

1548Sakura and StatisticsUral Championship 20071218540

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411532

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329335

1589SokobanNEERC 2007 Eastern Subregional821586

1594Aztec Treasure594821

1596Knight Mare179072

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605137

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest674670

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466421

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377650

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407046

1653Death ConveyorNEERC 2008 Eastern Subregional407046

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest456321

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744139

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664575

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466208

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2111151

1674Drunk KingPetrozavodsk Summer 2008. USU Contest485960

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308642

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2110961

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1062929

1708Sum of Digits 2Ural Championship 20091612992

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032836

1763Expert FleaUral Championship 2010455530

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346333

1840Victim of AdvertisingUral Championship 2011238212

1842Local RootsPetrozavodsk Summer 2010. USU Contest336028

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643503

1848Fly HuntPetrozavodsk Summer 2010. USU Contest365635

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296633

1906The Lost CivilizationUral Championship 2012246689

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010406

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523357

2016Magic and ScienceNEERC 2014 Eastern Subregional166595

2054AstronomyUral Championship 2015156258

2076VasianaQualification of Eastern Subregional 2015116446

2082PokerUral Championship 2016106374