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Problem set. Unusual Problems


IDTitleSourceAuthorsDifficulty

1219Symbolic SequenceUSU Championship 20024167119

1306Sequence MedianUral Championship 19983488144

1220StacksUSU Championship 20021792275

1873GOV ChroniclesUral Regional School Programming Contest 2011885353

2063Black and WhiteUral Regional School Programming Contest 2015488427

1230Introspective ProgramNEERC 2002 Central Subregional645757

1546Japanese SortingUral Championship 2007507881

1307ArchiverUral Championship 2004. Round 13841280

1378Artificial IntelligenceUral Championship 2005. Round 13371472

1704DemodulationUral Championship 20091123204

2053BiologyUral Championship 2015553446

1509Domino RecognitionNEERC 2006 Eastern Subregional1253498

1365Testing CalculatorUral Championship 2005. Round 2974763

1363HalftonesUral Championship 2005. Round 2865308

1399Economical Director3410586