Giuga numbers: Difference between revisions
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=={{header|Euler}}== |
=={{header|Euler}}== |
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Uses the C style for loop procedure from the [[Sieve of Eratosthenes]] task |
Uses the C style for loop procedure from the [[Sieve of Eratosthenes]] task |
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<syntaxhighlight lang="euler"> |
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for <- ` '''formal''' init; '''formal''' test; '''formal''' incr; '''formal''' body; |
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'''begin''' |
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'''label''' again; |
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init; |
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again: '''if''' test '''then''' '''begin''' body; incr; '''goto''' again '''end''' '''else''' 0 |
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init; |
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'''end''' |
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' |
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; |
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gCount <- 0; |
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for( ` n <- 2 ', ` gCount < 4 ', ` n <- n + 4 ' |
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gCount <- 0; |
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, ` '''begin''' |
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'''new''' v; '''new''' f; '''new''' isGiuga; '''new''' fCount; |
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, ` begin |
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v <- n % 2; |
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isGiuga <- '''true'''; |
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fCount <- 1; |
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for( ` f <- 3 ', ` f <= v '''and''' isGiuga ', ` f <- f + 2 ' |
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fCount <- 1; |
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, ` '''if''' v '''mod''' f = 0 '''then''' '''begin''' |
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fCount <- fCount + 1; |
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isGiuga <- [ [ n % f ] - 1 ] '''mod''' f = 0; |
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v <- v % f |
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'''end''' '''else''' 0 |
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' |
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); |
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'''if''' isGiuga '''then''' '''begin''' |
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if |
'''if''' fCount > 1 '''then''' '''begin''' |
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gCount <- gCount + 1; |
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'''out''' n |
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'''end''' '''else''' 0 |
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'''end''' '''else''' 0 |
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'''end''' |
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' |
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) |
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) |
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</syntaxhighlight> |
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=={{header|Go}}== |
=={{header|Go}}== |
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