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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional5082765

1074Very Short ProblemUSU Personal Contest 20016242084

1148Building TowersDSAP Vietnam Online Contest November 20012671722

1166Funny Card GameNEERC 2001 Northern Subregional1283547

1171Lost in SpaceRomanian Online Contest December 20013711253

1177Like ComparisonsUSU Personal Contest 20023811224


1216Two Pawns and One KingUSU Championship 20022242065

1239Ghost BustersNEERC 20021493044

1271Sailing DirectionsUSU Championship 2003954663

1312TrayUral Championship 2004. Round 11562967

1344Gigantic TurnipUSU Championship 20041004519

1369Cockroach RaceUral Championship 2005. Round 22713455

1374MisereUral Championship 2005. Round 13311610

1376Dean's Pyramid 2Ural Championship 2005. Round 1419789

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409986

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest904993

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016643

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419790

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855256

1394Ships. Version 21420805

1395Pascal vs. C++. Version 21902392

1399Economical Director3210785

1415Mobile LifeUSU Championship 2005449215

1432Twofold LuckUSU Personal Contest 2006517950

1438Time Limit ExceededUSU Personal Contest 20061503031

1460WiresPetrozavodsk Winter 2006. USU Contest1024174

1464LightPetrozavodsk Winter 2006. USU Contest1502922

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063992

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest914585

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313585

1536Delights of Pipe-weedUSU Personal Contest 2007537096

1548Sakura and StatisticsUral Championship 20071716378

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349712

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359496

1589SokobanNEERC 2007 Eastern Subregional1219273

1594Aztec Treasure674823

1596Knight Mare209625

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814360

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest744723

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635434

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407934

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457089

1653Death ConveyorNEERC 2008 Eastern Subregional476840

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest496534

1661DodecahedronPetrozavodsk Winter 2008. USU Contest923779

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest744589

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585669

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411283

1674Drunk KingPetrozavodsk Summer 2008. USU Contest536089

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526188

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2411120

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182954

1708Sum of Digits 2Ural Championship 20092211756

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073076

1763Expert FleaUral Championship 2010565220

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest357122

1840Victim of AdvertisingUral Championship 2011258951

1842Local RootsPetrozavodsk Summer 2010. USU Contest366569

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest663976

1848Fly HuntPetrozavodsk Summer 2010. USU Contest475301

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327183

1906The Lost CivilizationUral Championship 2012277357

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211547

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593682

2016Magic and ScienceNEERC 2014 Eastern Subregional187840

2054AstronomyUral Championship 2015187335

2076VasianaQualification of Eastern Subregional 2015167135

2082PokerUral Championship 2016128095