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Problem set. Hardest Problems

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional4972803

1074Very Short ProblemUSU Personal Contest 20016232071

1148Building TowersDSAP Vietnam Online Contest November 20012641728

1166Funny Card GameNEERC 2001 Northern Subregional1283522

1171Lost in SpaceRomanian Online Contest December 20013681254

1177Like ComparisonsUSU Personal Contest 20023801218

1199Mouse1203456

1216Two Pawns and One KingUSU Championship 20022222068

1239Ghost BustersNEERC 20021493022

1271Sailing DirectionsUSU Championship 2003954630

1312TrayUral Championship 2004. Round 11552963

1344Gigantic TurnipUSU Championship 2004984570

1369Cockroach RaceUral Championship 2005. Round 22713362

1374MisereUral Championship 2005. Round 13211804

1376Dean's Pyramid 2Ural Championship 2005. Round 1419721

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409917

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest904959

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016528

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419723

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest845275

1394Ships. Version 21420661

1395Pascal vs. C++. Version 21892386

1399Economical Director3210696

1415Mobile LifeUSU Championship 2005449151

1432Twofold LuckUSU Personal Contest 2006517892

1438Time Limit ExceededUSU Personal Contest 20061503009

1460WiresPetrozavodsk Winter 2006. USU Contest1004216

1464LightPetrozavodsk Winter 2006. USU Contest1502899

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063960

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest904594

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313470

1536Delights of Pipe-weedUSU Personal Contest 2007537035

1548Sakura and StatisticsUral Championship 20071716236

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349623

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359409

1589SokobanNEERC 2007 Eastern Subregional1120002

1594Aztec Treasure664829

1596Knight Mare209462

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814314

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest744673

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635378

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407851

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457012

1653Death ConveyorNEERC 2008 Eastern Subregional476766

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest496462

1661DodecahedronPetrozavodsk Winter 2008. USU Contest814190

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest734594

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585607

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411159

1674Drunk KingPetrozavodsk Summer 2008. USU Contest536022

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526119

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410995

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182920

1708Sum of Digits 2Ural Championship 20092211622

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073039

1763Expert FleaUral Championship 2010565152

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest357018

1840Victim of AdvertisingUral Championship 2011258816

1842Local RootsPetrozavodsk Summer 2010. USU Contest366464

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest653965

1848Fly HuntPetrozavodsk Summer 2010. USU Contest465310

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest317241

1906The Lost CivilizationUral Championship 2012277222

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211314

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593608

2016Magic and ScienceNEERC 2014 Eastern Subregional177932

2054AstronomyUral Championship 2015187139

2076VasianaQualification of Eastern Subregional 2015166920

2082PokerUral Championship 2016127838
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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