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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5312798

1074Very Short ProblemUSU Personal Contest 20016492118

1148Building TowersDSAP Vietnam Online Contest November 20012801736

1166Funny Card GameNEERC 2001 Northern Subregional1333604

1171Lost in SpaceRomanian Online Contest December 20013871270

1177Like ComparisonsUSU Personal Contest 20023931253

1199Mouse1313410

1216Two Pawns and One KingUSU Championship 20022342088

1239Ghost BustersNEERC 20021543111

1271Sailing DirectionsUSU Championship 20031014645

1312TrayUral Championship 2004. Round 11623013

1344Gigantic TurnipUSU Championship 20041074466

1369Cockroach RaceUral Championship 2005. Round 23312170

1374MisereUral Championship 2005. Round 14210089

1376Dean's Pyramid 2Ural Championship 2005. Round 1459539

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest459540

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest964950

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2415433

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest479205

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855523

1394Ships. Version 22514992

1395Pascal vs. C++. Version 22092306

1399Economical Director3710229

1415Mobile LifeUSU Championship 2005479177

1432Twofold LuckUSU Personal Contest 2006547986

1438Time Limit ExceededUSU Personal Contest 20061603006

1460WiresPetrozavodsk Winter 2006. USU Contest1074226

1464LightPetrozavodsk Winter 2006. USU Contest1602909

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1114052

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994498

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2812534

1536Delights of Pipe-weedUSU Personal Contest 2007557309

1548Sakura and StatisticsUral Championship 20072214704

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest409128

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest399314

1589SokobanNEERC 2007 Eastern Subregional2015108

1594Aztec Treasure774635

1596Knight Mare249554

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest864451

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest874406

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725211

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest457770

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516899

1653Death ConveyorNEERC 2008 Eastern Subregional546576

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest546511

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003788

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804630

1668Death Star 2Petrozavodsk Winter 2008. USU Contest615869

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2711214

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566287

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest695252

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2910504

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312905

1708Sum of Digits 2Ural Championship 20092711023

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1123217

1763Expert FleaUral Championship 2010605397

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest416960

1840Victim of AdvertisingUral Championship 2011318491

1842Local RootsPetrozavodsk Summer 2010. USU Contest466028

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest714168

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634624

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest357491

1906The Lost CivilizationUral Championship 2012307729

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511676

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection673791

2016Magic and ScienceNEERC 2014 Eastern Subregional218359

2054AstronomyUral Championship 2015237445

2076VasianaQualification of Eastern Subregional 2015188102

2082PokerUral Championship 2016168454

2131Open CupLater is better than never156017

2137Dynamic string complexityLater is better than never136540
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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