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Problem set. Hardest Problems

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1058ChocolateNEERC 2000 Central Subregional5552721

1074Very Short ProblemUSU Personal Contest 20016632107

1148Building TowersDSAP Vietnam Online Contest November 20012871721

1166Funny Card GameNEERC 2001 Northern Subregional1443395

1171Lost in SpaceRomanian Online Contest December 20014011245

1177Like ComparisonsUSU Personal Contest 20024071230

1199Mouse1263595

1216Two Pawns and One KingUSU Championship 20022482004

1239Ghost BustersNEERC 20021613028

1271Sailing DirectionsUSU Championship 20031124287

1312TrayUral Championship 2004. Round 11702920

1344Gigantic TurnipUSU Championship 20041174173

1369Cockroach RaceUral Championship 2005. Round 24010614

1374MisereUral Championship 2005. Round 1518721

1376Dean's Pyramid 2Ural Championship 2005. Round 13611565

1383Flower-garden DesignsPetrozavodsk Summer 2005. MSU+USU Contest548313

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1114397

1388PhotoPetrozavodsk Summer 2005. MSU+USU Contest3611566

1390Shots at WallsPetrozavodsk Summer 2005. MSU+USU Contest548313

1391SnakePetrozavodsk Summer 2005. MSU+USU Contest925216

1394Ships. Version 21918347

1395Pascal vs. C++. Version 22192238

1399Economical Director488427

1415Mobile LifeUSU Championship 2005558161

1432Twofold LuckUSU Personal Contest 2006637105

1438Time Limit ExceededUSU Personal Contest 20061682914

1460WiresPetrozavodsk Winter 2006. USU Contest1183924

1464LightPetrozavodsk Winter 2006. USU Contest1722760

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1183892

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1163954

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest3810091

1536Delights of Pipe-weedUSU Personal Contest 2007547550

1548Sakura and StatisticsUral Championship 20073011968

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest527497

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest478154

1589SokobanNEERC 2007 Eastern Subregional1816489

1594Aztec Treasure914084

1596Knight Mare337797

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest964115

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest934235

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest804846

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest556710

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional566512

1653Death ConveyorNEERC 2008 Eastern Subregional645808

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest615996

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1113518

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest874389

1668Death Star 2Petrozavodsk Winter 2008. USU Contest685458

1672Droid fliesPetrozavodsk Summer 2008. USU Contest398652

1674Drunk KingPetrozavodsk Summer 2008. USU Contest635808

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest784818

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest359306

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1422755

1708Sum of Digits 2Ural Championship 2009359267

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1193115

1763Expert FleaUral Championship 2010675031

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest466516

1840Victim of AdvertisingUral Championship 2011426889

1842Local RootsPetrozavodsk Summer 2010. USU Contest525610

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest783952

1848Fly HuntPetrozavodsk Summer 2010. USU Contest724242

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest436554

1906The Lost CivilizationUral Championship 2012396527

1952To Kill the DragonPetrozavodsk Winter 2013. Ural FU Contest258653

1954Five PalindromesPetrozavodsk Winter 2013. Ural FU Contest773481

2016Magic and ScienceNEERC 2014 Eastern Subregional336293

2054AstronomyUral Championship 2015335985

2076VasianaNEERC 2015 Eastern Subregional Qualifier286284

2082PokerUral Championship 2016276267

2131Open CupLater is better than never274420

2137Dynamic string complexityLater is better than never264543
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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