edymerchk/suma_cubos.rb

## suma_cubos.rb
# abc=a^3+b^3+c^3

i = 0
max = 999

while i <=999
  puts i.to_s.rjust(3,'0') if i == ((i /100) ** 3) + ((i % 100 / 10) ** 3) + ((i % 10) ** 3)
  i +=1
end

=>

000
001
153
370
371
407
	# abc=a^3+b^3+c^3

	i = 0
	max = 999

	while i <=999
	puts i.to_s.rjust(3,'0') if i == ((i /100) 3) + ((i % 100 / 10) 3) + ((i % 10) ** 3)
	i +=1
	end

	=>

	000
	001
	153
	370
	371
	407