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Perfect numbers: Difference between revisions
m
→optimized using only even numbers: added whitespace for the head of a DO loop .
m (→optimized using digital root: added whitespace.) |
m (→optimized using only even numbers: added whitespace for the head of a DO loop .) |
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w=length(high) /*use W for formatting output. */
numeric digits max(9,w+2) /*ensure enough digits to handle#*/
do i=low to high by 2 /*process the single # or range. */
if isPerfect(i) then say right(i,w) 'is a perfect number.'
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