Luhn test of credit card numbers: Difference between revisions
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+ -1 '''STEP''' |
+ -1 '''STEP''' |
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10 MOD NOT |
10 MOD NOT |
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≫ ≫ '<span style="color:blue">LUHN?</span>' STO |
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<span style="color:blue">LUHN?</span> ''( "card_number" -- boolean ) '' |
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sum = 0 ; loop for j=n to 1 |
sum = 0 ; loop for j=n to 1 |
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digit = card[j] |
digit = card[j] |
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