Project Euler Problem 6

Problem 6, In ruby.

  sumOfSquares = 0
  squareOfSums = 0

  for i in 1..100 do
    squareOfSums += i
    sumOfSquares += i**2
  end  

  squareOfSums = squareOfSums ** 2

  puts "Difference: " + (squareOfSums - sumOfSquares).to_s
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