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Problem set. Unusual Problems


IDTitleSourceAuthorsDifficulty

1219Symbolic SequenceUSU Championship 20024167119

1306Sequence MedianUral Championship 19983488144

1220StacksUSU Championship 20021793275

1873GOV ChroniclesUral Regional School Programming Contest 2011885353

2063Black and WhiteUral Regional School Programming Contest 2015488428

1230Introspective ProgramNEERC 2002 Central Subregional646756

1546Japanese SortingUral Championship 2007507881

1307ArchiverUral Championship 2004. Round 13851277

1378Artificial IntelligenceUral Championship 2005. Round 13371473

1704DemodulationUral Championship 20091123205

2053BiologyUral Championship 2015553449

1509Domino RecognitionNEERC 2006 Eastern Subregional1253499

1365Testing CalculatorUral Championship 2005. Round 2974764

1363HalftonesUral Championship 2005. Round 2865309

1399Economical Director3410589