Sum multiples of 3 and 5: Difference between revisions
→{{header|Ruby}}: No ifs
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Line 870:
# August 24th., 2013.
def g(n1, n2, n3)
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
end
end
</lang>
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