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Problem set. Hardest Problems

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

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5272802

1074Very Short ProblemUSU Personal Contest 20016482109

1148Building TowersDSAP Vietnam Online Contest November 20012801726

1166Funny Card GameNEERC 2001 Northern Subregional1333584

1171Lost in SpaceRomanian Online Contest December 20013851268

1177Like ComparisonsUSU Personal Contest 20023931246

1199Mouse1303412

1216Two Pawns and One KingUSU Championship 20022332084

1239Ghost BustersNEERC 20021533112

1271Sailing DirectionsUSU Championship 20031014618

1312TrayUral Championship 2004. Round 11613013

1344Gigantic TurnipUSU Championship 20041064480

1369Cockroach RaceUral Championship 2005. Round 23212391

1374MisereUral Championship 2005. Round 13910647

1376Dean's Pyramid 2Ural Championship 2005. Round 1449662

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest439845

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest945017

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216306

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest459487

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855493

1394Ships. Version 22315813

1395Pascal vs. C++. Version 22072313

1399Economical Director3610382

1415Mobile LifeUSU Championship 2005469289

1432Twofold LuckUSU Personal Contest 2006547939

1438Time Limit ExceededUSU Personal Contest 20061602989

1460WiresPetrozavodsk Winter 2006. USU Contest1064236

1464LightPetrozavodsk Winter 2006. USU Contest1592908

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094094

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984511

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2613141

1536Delights of Pipe-weedUSU Personal Contest 2007557260

1548Sakura and StatisticsUral Championship 20072214603

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest399246

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389439

1589SokobanNEERC 2007 Eastern Subregional1915513

1594Aztec Treasure764646

1596Knight Mare239718

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest854461

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest864415

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest725169

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437997

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516841

1653Death ConveyorNEERC 2008 Eastern Subregional536624

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest536558

1661DodecahedronPetrozavodsk Winter 2008. USU Contest993790

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest804590

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605902

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611426

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566232

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest675342

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2810685

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1312880

1708Sum of Digits 2Ural Championship 20092511549

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1113212

1763Expert FleaUral Championship 2010595420

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest387313

1840Victim of AdvertisingUral Championship 2011318394

1842Local RootsPetrozavodsk Summer 2010. USU Contest456064

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694222

1848Fly HuntPetrozavodsk Summer 2010. USU Contest634569

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest347569

1906The Lost CivilizationUral Championship 2012297818

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511502

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection653835

2016Magic and ScienceNEERC 2014 Eastern Subregional198779

2054AstronomyUral Championship 2015227534

2076VasianaQualification of Eastern Subregional 2015187933

2082PokerUral Championship 2016168270

2131Open CupLater is better than never155808

2137Dynamic string complexityLater is better than never136313
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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