Euler Project Problem #006

euler6.rb

# Solution to Project Euler's sixth problem
# http://projecteuler.net/index.php?section=problems&id=6
#	Find the difference between the square of the sum of the first hundred natural numbers and the sum of their squares.
def sum_squares(ceiling)
	sum = 0
	(1..ceiling).each {|n| sum = sum +n**2}
	return sum
end
def square_sums(ceiling)
	sum = 0
	(1..ceiling).each {|n| sum = sum +n}
	return sum**2
end
number = 100 
sum_of_squares = sum_squares(number)
square_of_sums = square_sums(number)
puts square_of_sums - sum_of_squares