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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5322798

1074Very Short ProblemUSU Personal Contest 20016502119

1148Building TowersDSAP Vietnam Online Contest November 20012801739

1166Funny Card GameNEERC 2001 Northern Subregional1333610

1171Lost in SpaceRomanian Online Contest December 20013871272

1177Like ComparisonsUSU Personal Contest 20023931256

1199Mouse1323392

1216Two Pawns and One KingUSU Championship 20022352083

1239Ghost BustersNEERC 20021543116

1271Sailing DirectionsUSU Championship 20031014652

1312TrayUral Championship 2004. Round 11623018

1344Gigantic TurnipUSU Championship 20041074473

1369Cockroach RaceUral Championship 2005. Round 23312189

1374MisereUral Championship 2005. Round 14210105

1376Dean's Pyramid 2Ural Championship 2005. Round 12714201

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459555

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964958

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515015

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479219

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855532

1394Ships. Version 22515015

1395Pascal vs. C++. Version 22102299

1399Economical Director3710247

1415Mobile LifeUSU Championship 2005479191

1432Twofold LuckUSU Personal Contest 2006547999

1438Time Limit ExceededUSU Personal Contest 20061603011

1460WiresPetrozavodsk Winter 2006. USU Contest1074234

1464LightPetrozavodsk Winter 2006. USU Contest1602914

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114059

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994506

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812557

1536Delights of Pipe-weedUSU Personal Contest 2007557323

1548Sakura and StatisticsUral Championship 20072214732

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest409146

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399333

1589SokobanNEERC 2007 Eastern Subregional2015139

1594Aztec Treasure794542

1596Knight Mare249588

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864461

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874415

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725223

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457787

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516915

1653Death ConveyorNEERC 2008 Eastern Subregional546591

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546526

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003797

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804641

1668Death Star 2Petrozavodsk Winter 2008. USU Contest625801

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711241

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566302

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695265

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910529

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312912

1708Sum of Digits 2Ural Championship 20092711050

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123225

1763Expert FleaUral Championship 2010605412

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416981

1840Victim of AdvertisingUral Championship 2011318518

1842Local RootsPetrozavodsk Summer 2010. USU Contest466048

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714181

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634640

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357516

1906The Lost CivilizationUral Championship 2012317569

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511724

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection673807

2016Magic and ScienceNEERC 2014 Eastern Subregional218399

2054AstronomyUral Championship 2015237484

2076VasianaQualification of Eastern Subregional 2015188148

2082PokerUral Championship 2016168505

2131Open CupLater is better than never156074

2137Dynamic string complexityLater is better than never136602
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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