21 lines
244 B
Ruby
21 lines
244 B
Ruby
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def sumSquared(n)
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(1..n).inject(:+) ** 2
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end
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def squareSums(n)
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sum = 0
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for i in 1..n
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sum += i ** 2
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end
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sum
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end
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def difference(n)
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sumSquared(n) - squareSums(n)
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end
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puts squareSums(10)
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puts sumSquared(10)
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puts difference(100)
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