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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4942804

1074Very Short ProblemUSU Personal Contest 20016192073

1148Building TowersDSAP Vietnam Online Contest November 20012641719

1166Funny Card GameNEERC 2001 Northern Subregional1283505

1171Lost in SpaceRomanian Online Contest December 20013641261

1177Like ComparisonsUSU Personal Contest 20023771221


1216Two Pawns and One KingUSU Championship 20022202075

1239Ghost BustersNEERC 20021483026

1271Sailing DirectionsUSU Championship 2003944652

1312TrayUral Championship 2004. Round 11552949

1344Gigantic TurnipUSU Championship 2004984549

1369Cockroach RaceUral Championship 2005. Round 22713299

1374MisereUral Championship 2005. Round 13211749

1376Dean's Pyramid 2Ural Championship 2005. Round 1419676

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409871

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest894985

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016451

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419677

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest845250

1394Ships. Version 21420565

1395Pascal vs. C++. Version 21892374

1399Economical Director3210635

1415Mobile LifeUSU Championship 2005449107

1432Twofold LuckUSU Personal Contest 2006517853

1438Time Limit ExceededUSU Personal Contest 20061493013

1460WiresPetrozavodsk Winter 2006. USU Contest994232

1464LightPetrozavodsk Winter 2006. USU Contest1482920

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063939

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894615

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2313392

1536Delights of Pipe-weedUSU Personal Contest 2007536995

1548Sakura and StatisticsUral Championship 20071716141

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349562

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359350

1589SokobanNEERC 2007 Eastern Subregional1119875

1594Aztec Treasure654855

1596Knight Mare199674

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814283

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest714812

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635339

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407795

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional447090

1653Death ConveyorNEERC 2008 Eastern Subregional476717

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486525

1661DodecahedronPetrozavodsk Winter 2008. USU Contest794252

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest724615

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585565

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411075

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535977

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526073

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410910

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182898

1708Sum of Digits 2Ural Championship 20092211532

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073013

1763Expert FleaUral Championship 2010545265

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356948

1840Victim of AdvertisingUral Championship 2011248981

1842Local RootsPetrozavodsk Summer 2010. USU Contest366394

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest653922

1848Fly HuntPetrozavodsk Summer 2010. USU Contest445447

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest317162

1906The Lost CivilizationUral Championship 2012277131

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211157

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593558

2016Magic and ScienceNEERC 2014 Eastern Subregional177798

2054AstronomyUral Championship 2015177267

2076VasianaQualification of Eastern Subregional 2015157045

2082PokerUral Championship 2016127665