Kaprekar numbers: Difference between revisions
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m (→{{header|REXX}}: adjust for special case of unity for the upper limit.) |
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Kaprekar: procedure; parse arg N; #=0; aN=abs(N) /*set counter to zero; use │N│ value.*/ |
Kaprekar: procedure; parse arg N; #=0; aN=abs(N) /*set counter to zero; use │N│ value.*/ |
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numeric digits max(9, 2*length(N) ) /*use enough decimal digits for square.*/ |
numeric digits max(9, 2*length(N) ) /*use enough decimal digits for square.*/ |
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if aN> |
if aN>0 then call tell 1 /*unity is defined to be a Kaprekar #. */ |
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/* [↑] handle case of N being unity.*/ |
/* [↑] handle case of N being unity.*/ |
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if aN>1 then do j=2 for aN-2; s=j*j /*calculate the square of J (S). */ |
if aN>1 then do j=2 for aN-2; s=j*j /*calculate the square of J (S). */ |
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