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AlexVPopov/Project Euler 6a

Last active December 23, 2015 19:39
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Project Euler 6a
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Project Euler 6a
def sum_of_squares(num)
(1..num).inject { |mem, var| mem + var ** 2 }
end
def square_of_sum(num)
sum = (1..num).inject { |mem, var| mem + var }
sum ** 2
end
p square_of_sum(100) - sum_of_squares(100)
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