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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5102776

1074Very Short ProblemUSU Personal Contest 20016272090

1148Building TowersDSAP Vietnam Online Contest November 20012691723

1166Funny Card GameNEERC 2001 Northern Subregional1303522

1171Lost in SpaceRomanian Online Contest December 20013711263

1177Like ComparisonsUSU Personal Contest 20023831227

1199Mouse1233436

1216Two Pawns and One KingUSU Championship 20022262063

1239Ghost BustersNEERC 20021503048

1271Sailing DirectionsUSU Championship 2003954698

1312TrayUral Championship 2004. Round 11572970

1344Gigantic TurnipUSU Championship 20041004551

1369Cockroach RaceUral Championship 2005. Round 22713551

1374MisereUral Championship 2005. Round 13411426

1376Dean's Pyramid 2Ural Championship 2005. Round 1419858

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest4010056

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest905028

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016761

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419859

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855293

1394Ships. Version 21420952

1395Pascal vs. C++. Version 21932375

1399Economical Director3210877

1415Mobile LifeUSU Championship 2005449280

1432Twofold LuckUSU Personal Contest 2006527880

1438Time Limit ExceededUSU Personal Contest 20061513035

1460WiresPetrozavodsk Winter 2006. USU Contest1024207

1464LightPetrozavodsk Winter 2006. USU Contest1512927

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1064024

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest934532

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313702

1536Delights of Pipe-weedUSU Personal Contest 2007537158

1548Sakura and StatisticsUral Championship 20071716524

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349804

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359586

1589SokobanNEERC 2007 Eastern Subregional1219457

1594Aztec Treasure674880

1596Knight Mare209792

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814406

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest744773

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest655346

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest408019

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457167

1653Death ConveyorNEERC 2008 Eastern Subregional476915

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest496607

1661DodecahedronPetrozavodsk Winter 2008. USU Contest943748

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest744641

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585733

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411411

1674Drunk KingPetrozavodsk Summer 2008. USU Contest536158

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526258

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2411249

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1222898

1708Sum of Digits 2Ural Championship 20092211893

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073115

1763Expert FleaUral Championship 2010565290

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest357228

1840Victim of AdvertisingUral Championship 2011268836

1842Local RootsPetrozavodsk Summer 2010. USU Contest366675

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest664040

1848Fly HuntPetrozavodsk Summer 2010. USU Contest485294

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327300

1906The Lost CivilizationUral Championship 2012277496

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211786

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593758

2016Magic and ScienceNEERC 2014 Eastern Subregional188036

2054AstronomyUral Championship 2015197274

2076VasianaQualification of Eastern Subregional 2015167356

2082PokerUral Championship 2016137995
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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