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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional4922808

1074Very Short ProblemUSU Personal Contest 20016192067

1148Building TowersDSAP Vietnam Online Contest November 20012631720

1166Funny Card GameNEERC 2001 Northern Subregional1283495

1171Lost in SpaceRomanian Online Contest December 20013621264

1177Like ComparisonsUSU Personal Contest 20023751224

1199Mouse1153563

1216Two Pawns and One KingUSU Championship 20022202070

1239Ghost BustersNEERC 20021483018

1271Sailing DirectionsUSU Championship 2003944640

1312TrayUral Championship 2004. Round 11552942

1344Gigantic TurnipUSU Championship 2004974580

1369Cockroach RaceUral Championship 2005. Round 22713265

1374MisereUral Championship 2005. Round 13211720

1376Dean's Pyramid 2Ural Championship 2005. Round 1419651

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409846

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest894973

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016410

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419653

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest845237

1394Ships. Version 21420513

1395Pascal vs. C++. Version 21892368

1399Economical Director3210603

1415Mobile LifeUSU Championship 2005449084

1432Twofold LuckUSU Personal Contest 2006517832

1438Time Limit ExceededUSU Personal Contest 20061493005

1460WiresPetrozavodsk Winter 2006. USU Contest994220

1464LightPetrozavodsk Winter 2006. USU Contest1482911

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063927

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894601

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2711908

1536Delights of Pipe-weedUSU Personal Contest 2007536973

1548Sakura and StatisticsUral Championship 20071716090

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349530

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359319

1589SokobanNEERC 2007 Eastern Subregional1119807

1594Aztec Treasure654834

1596Knight Mare199614

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814267

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest714794

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635319

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407766

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional447062

1653Death ConveyorNEERC 2008 Eastern Subregional466810

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486499

1661DodecahedronPetrozavodsk Winter 2008. USU Contest794235

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest714653

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585543

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411030

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535953

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526049

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410865

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182886

1708Sum of Digits 2Ural Championship 20092211484

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073000

1763Expert FleaUral Championship 2010545240

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356910

1840Victim of AdvertisingUral Championship 2011248932

1842Local RootsPetrozavodsk Summer 2010. USU Contest366357

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest653899

1848Fly HuntPetrozavodsk Summer 2010. USU Contest445415

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest317120

1906The Lost CivilizationUral Championship 2012277082

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211073

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593531

2016Magic and ScienceNEERC 2014 Eastern Subregional177726

2054AstronomyUral Championship 2015177195

2076VasianaQualification of Eastern Subregional 2015156965

2082PokerUral Championship 2016127573
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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