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Problem set. Unusual Problems


IDTitleSourceAuthorsDifficulty

1219Symbolic SequenceUSU Championship 20023858116

1220StacksUSU Championship 20021568285

1230Introspective ProgramNEERC 2002 Central Subregional601737

1306Sequence MedianUral Championship 19983054150

1307ArchiverUral Championship 2004. Round 13511273

1363HalftonesUral Championship 2005. Round 2705818

1365Testing CalculatorUral Championship 2005. Round 2864849

1378Artificial IntelligenceUral Championship 2005. Round 12991511

1399Economical Director2910710

1509Domino RecognitionNEERC 2006 Eastern Subregional1043726

1546Japanese SortingUral Championship 2007422940

1704DemodulationUral Championship 20091062897

1873GOV ChroniclesUral Regional School Programming Contest 2011739340

2053BiologyUral Championship 2015393146

2063Black and WhiteUral Regional School Programming Contest 2015348397