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rhysd/euler1.rb

Created May 12, 2012 19:59
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euler 1
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euler1.rb
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
MAX = 1000-1
def f(i)
(1..(MAX/i)).map{|n| n*i }.inject 0,&:+
end
#
# main
#
if __FILE__ == $0 then
puts f(3)+f(5)
end
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