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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4352893

1074Very Short ProblemUSU Personal Contest 20015662063

1148Building TowersDSAP Vietnam Online Contest November 20012331770

1166Funny Card GameNEERC 2001 Northern Subregional1163522

1171Lost in SpaceRomanian Online Contest December 20013231293

1177Like ComparisonsUSU Personal Contest 20023211305


1216Two Pawns and One KingUSU Championship 20022072014

1239Ghost BustersNEERC 20021412900

1271Sailing DirectionsUSU Championship 2003854673

1312TrayUral Championship 2004. Round 11472847

1344Gigantic TurnipUSU Championship 2004914475

1369Cockroach RaceUral Championship 2005. Round 22214152

1374MisereUral Championship 2005. Round 12911651

1376Dean's Pyramid 2Ural Championship 2005. Round 1389466

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313772

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest765284

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816231

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379669

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest785164

1394Ships. Version 2726734

1395Pascal vs. C++. Version 21572585

1399Economical Director2710919

1415Mobile LifeUSU Championship 2005399237

1432Twofold LuckUSU Personal Contest 2006448127

1438Time Limit ExceededUSU Personal Contest 20061333069

1460WiresPetrozavodsk Winter 2006. USU Contest944036

1464LightPetrozavodsk Winter 2006. USU Contest1342915

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest983842

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest675389

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212465

1536Delights of Pipe-weedUSU Personal Contest 2007496738

1548Sakura and StatisticsUral Championship 20071814010

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2311396

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest328954

1589SokobanNEERC 2007 Eastern Subregional820691

1594Aztec Treasure564773

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest604896

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest644631

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest446346

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest357615

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional396842

1653Death ConveyorNEERC 2008 Eastern Subregional386984

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest426356

1661DodecahedronPetrozavodsk Winter 2008. USU Contest694183

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest654406

1668Death Star 2Petrozavodsk Winter 2008. USU Contest456009

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2110595

1674Drunk KingPetrozavodsk Summer 2008. USU Contest446082

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest298422

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010747

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1032853

1708Sum of Digits 2Ural Championship 20091612321

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional992776

1763Expert FleaUral Championship 2010425496

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest316332

1840Victim of AdvertisingUral Championship 2011218122

1842Local RootsPetrozavodsk Summer 2010. USU Contest296146

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest613376

1848Fly HuntPetrozavodsk Summer 2010. USU Contest345447

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276463

1906The Lost CivilizationUral Championship 2012226470

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection109362

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection413672

2016Magic and ScienceNEERC 2014 Eastern Subregional155985

2076VasianaQualification of eastern subregional contest 201586255

2082PokerUral Championship 201666531