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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4462896

1074Very Short ProblemUSU Personal Contest 20015842052

1148Building TowersDSAP Vietnam Online Contest November 20012411756

1166Funny Card GameNEERC 2001 Northern Subregional1183548

1171Lost in SpaceRomanian Online Contest December 20013281306

1177Like ComparisonsUSU Personal Contest 20023251321


1216Two Pawns and One KingUSU Championship 20022102034

1239Ghost BustersNEERC 20021432930

1271Sailing DirectionsUSU Championship 2003854783

1312TrayUral Championship 2004. Round 11512841

1344Gigantic TurnipUSU Championship 2004934488

1369Cockroach RaceUral Championship 2005. Round 22214472

1374MisereUral Championship 2005. Round 12911912

1376Dean's Pyramid 2Ural Championship 2005. Round 1399481

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314080

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest785280

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816595

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379886

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795221

1394Ships. Version 2825815

1395Pascal vs. C++. Version 21582633

1399Economical Director2910644

1415Mobile LifeUSU Championship 2005399445

1432Twofold LuckUSU Personal Contest 2006458169

1438Time Limit ExceededUSU Personal Contest 20061363077

1460WiresPetrozavodsk Winter 2006. USU Contest944140

1464LightPetrozavodsk Winter 2006. USU Contest1422833

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest993907

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest695391

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212816

1536Delights of Pipe-weedUSU Personal Contest 2007506813

1548Sakura and StatisticsUral Championship 20071218347

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2311749

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329231

1589SokobanNEERC 2007 Eastern Subregional821342

1594Aztec Treasure594751

1596Knight Mare178871

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605071

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest654733

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest456454

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377553

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional406953

1653Death ConveyorNEERC 2008 Eastern Subregional406953

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest436472

1661DodecahedronPetrozavodsk Winter 2008. USU Contest734132

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664513

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466125

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2110999

1674Drunk KingPetrozavodsk Summer 2008. USU Contest485879

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308525

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2110808

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1042939

1708Sum of Digits 2Ural Championship 20091612809

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022818

1763Expert FleaUral Championship 2010435644

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest336359

1840Victim of AdvertisingUral Championship 2011228305

1842Local RootsPetrozavodsk Summer 2010. USU Contest335904

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest633478

1848Fly HuntPetrozavodsk Summer 2010. USU Contest355642

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296496

1906The Lost CivilizationUral Championship 2012246525

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010121

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection513319

2016Magic and ScienceNEERC 2014 Eastern Subregional166366

2054AstronomyUral Championship 2015156015

2076VasianaQualification of Eastern Subregional 2015106458

2082PokerUral Championship 201686734