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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4592869

1074Very Short ProblemUSU Personal Contest 20015972046

1148Building TowersDSAP Vietnam Online Contest November 20012461754

1166Funny Card GameNEERC 2001 Northern Subregional1203555

1171Lost in SpaceRomanian Online Contest December 20013321314

1177Like ComparisonsUSU Personal Contest 20023331314


1216Two Pawns and One KingUSU Championship 20022132043

1239Ghost BustersNEERC 20021432983

1271Sailing DirectionsUSU Championship 2003874766

1312TrayUral Championship 2004. Round 11512890

1344Gigantic TurnipUSU Championship 2004944520

1369Cockroach RaceUral Championship 2005. Round 22314269

1374MisereUral Championship 2005. Round 12912111

1376Dean's Pyramid 2Ural Championship 2005. Round 1399640

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314316

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest805249

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816872

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3710052

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805249

1394Ships. Version 2924866

1395Pascal vs. C++. Version 21622619

1399Economical Director2910862

1415Mobile LifeUSU Championship 2005409412

1432Twofold LuckUSU Personal Contest 2006468166

1438Time Limit ExceededUSU Personal Contest 20061383090

1460WiresPetrozavodsk Winter 2006. USU Contest954180

1464LightPetrozavodsk Winter 2006. USU Contest1442850

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003948

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715361

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213084

1536Delights of Pipe-weedUSU Personal Contest 2007516842

1548Sakura and StatisticsUral Championship 20071317925

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411665

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329443

1589SokobanNEERC 2007 Eastern Subregional821838

1594Aztec Treasure604823

1596Knight Mare188949

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605205

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684671

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466506

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377752

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417003

1653Death ConveyorNEERC 2008 Eastern Subregional426868

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest456410

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744197

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664639

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466295

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2210955

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486044

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308764

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2111120

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1072946

1708Sum of Digits 2Ural Championship 20091613181

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032881

1763Expert FleaUral Championship 2010465524

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346454

1840Victim of AdvertisingUral Championship 2011238376

1842Local RootsPetrozavodsk Summer 2010. USU Contest336156

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643577

1848Fly HuntPetrozavodsk Summer 2010. USU Contest395402

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296774

1906The Lost CivilizationUral Championship 2012266477

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010700

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523452

2016Magic and ScienceNEERC 2014 Eastern Subregional176579

2054AstronomyUral Championship 2015166258

2076VasianaQualification of Eastern Subregional 2015126446

2082PokerUral Championship 2016116380