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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5312801

1074Very Short ProblemUSU Personal Contest 20016492121

1148Building TowersDSAP Vietnam Online Contest November 20012801738

1166Funny Card GameNEERC 2001 Northern Subregional1333608

1171Lost in SpaceRomanian Online Contest December 20013871271

1177Like ComparisonsUSU Personal Contest 20023931255

1199Mouse1323390

1216Two Pawns and One KingUSU Championship 20022342090

1239Ghost BustersNEERC 20021543114

1271Sailing DirectionsUSU Championship 20031014649

1312TrayUral Championship 2004. Round 11623016

1344Gigantic TurnipUSU Championship 20041074471

1369Cockroach RaceUral Championship 2005. Round 23312181

1374MisereUral Championship 2005. Round 14210098

1376Dean's Pyramid 2Ural Championship 2005. Round 12714192

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459549

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964955

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2515005

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479214

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855528

1394Ships. Version 22515006

1395Pascal vs. C++. Version 22102297

1399Economical Director3710239

1415Mobile LifeUSU Championship 2005479185

1432Twofold LuckUSU Personal Contest 2006547993

1438Time Limit ExceededUSU Personal Contest 20061603009

1460WiresPetrozavodsk Winter 2006. USU Contest1074231

1464LightPetrozavodsk Winter 2006. USU Contest1602912

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114056

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994503

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812548

1536Delights of Pipe-weedUSU Personal Contest 2007557317

1548Sakura and StatisticsUral Championship 20072214721

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest409139

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399325

1589SokobanNEERC 2007 Eastern Subregional2015126

1594Aztec Treasure784589

1596Knight Mare249574

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864457

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874411

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725218

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457780

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516909

1653Death ConveyorNEERC 2008 Eastern Subregional546585

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546520

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003793

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804636

1668Death Star 2Petrozavodsk Winter 2008. USU Contest615877

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711230

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566296

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695260

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910519

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312910

1708Sum of Digits 2Ural Championship 20092711039

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123221

1763Expert FleaUral Championship 2010605406

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416973

1840Victim of AdvertisingUral Championship 2011318507

1842Local RootsPetrozavodsk Summer 2010. USU Contest466040

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714176

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634633

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357506

1906The Lost CivilizationUral Championship 2012307746

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511704

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection673800

2016Magic and ScienceNEERC 2014 Eastern Subregional218383

2054AstronomyUral Championship 2015237468

2076VasianaQualification of Eastern Subregional 2015188129

2082PokerUral Championship 2016168484

2131Open CupLater is better than never156051

2137Dynamic string complexityLater is better than never136576
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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