Sum multiples of 3 and 5: Difference between revisions

Content added Content deleted
Line 872: Line 872:
g1 = n1*n2
g1 = n1*n2
(1..g1).select{|x| x%n1==0 or x%n2==0}.collect{|x| g2=(n3-x)/g1; (x+g1*g2+x)*(g2+1)}.inject{|sum,x| sum+x}/2
(1..g1).select{|x| x%n1==0 or x%n2==0}.collect{|x| g2=(n3-x)/g1; (x+g1*g2+x)*(g2+1)}.inject{|sum,x| sum+x}/2
end
end
end
</lang>
</lang>
Retrieved from "https://rosettacode.org/wiki/Sum_multiples_of_3_and_5"