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Problem set. Hardest Problems


1058ChocolateNEERC 2000 Central Subregional4582862

1074Very Short ProblemUSU Personal Contest 20015962040

1148Building TowersDSAP Vietnam Online Contest November 20012451753

1166Funny Card GameNEERC 2001 Northern Subregional1193567

1171Lost in SpaceRomanian Online Contest December 20013301316

1177Like ComparisonsUSU Personal Contest 20023311316


1216Two Pawns and One KingUSU Championship 20022122043

1239Ghost BustersNEERC 20021432970

1271Sailing DirectionsUSU Championship 2003874745

1312TrayUral Championship 2004. Round 11512877

1344Gigantic TurnipUSU Championship 2004944501

1369Cockroach RaceUral Championship 2005. Round 22314211

1374MisereUral Championship 2005. Round 12912062

1376Dean's Pyramid 2Ural Championship 2005. Round 1399601

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314258

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest795287

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816804

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3710011

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795287

1394Ships. Version 2826140

1395Pascal vs. C++. Version 21602638

1399Economical Director2910808

1415Mobile LifeUSU Championship 2005409374

1432Twofold LuckUSU Personal Contest 2006468131

1438Time Limit ExceededUSU Personal Contest 20061383077

1460WiresPetrozavodsk Winter 2006. USU Contest954160

1464LightPetrozavodsk Winter 2006. USU Contest1442837

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003929

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715335

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213018

1536Delights of Pipe-weedUSU Personal Contest 2007516807

1548Sakura and StatisticsUral Championship 20071317832

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411600

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329391

1589SokobanNEERC 2007 Eastern Subregional821716

1594Aztec Treasure594858

1596Knight Mare179179

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605172

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest674702

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466465

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377703

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407096

1653Death ConveyorNEERC 2008 Eastern Subregional407096

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest456367

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744169

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664608

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466253

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2210881

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486003

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308705

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2111043

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1062951

1708Sum of Digits 2Ural Championship 20091613089

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032859

1763Expert FleaUral Championship 2010455578

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346395

1840Victim of AdvertisingUral Championship 2011238297

1842Local RootsPetrozavodsk Summer 2010. USU Contest336094

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643541

1848Fly HuntPetrozavodsk Summer 2010. USU Contest375575

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296706

1906The Lost CivilizationUral Championship 2012256582

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010557

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523406

2016Magic and ScienceNEERC 2014 Eastern Subregional166717

2054AstronomyUral Championship 2015166141

2076VasianaQualification of Eastern Subregional 2015116604

2082PokerUral Championship 2016116230