2020-10-16 03:38:04 -07:00
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// https://projecteuler.net/problem=6
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2021-10-10 18:18:25 +02:00
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export const squareDifference = (num = 100) => {
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2020-10-16 03:38:04 -07:00
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let sumOfSquares = 0
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let sums = 0
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for (let i = 1; i <= num; i++) {
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sumOfSquares += i ** 2 // add squares to the sum of squares
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sums += i // add number to sum to square later
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}
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return (sums ** 2) - sumOfSquares // difference of square of the total sum and sum of squares
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}
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