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// https://projecteuler.net/problem=6

export const squareDifference = (num = 100) => {

let sumOfSquares = 0

let sums = 0

for (let i = 1; i <= num; i++) {

sumOfSquares += i ** 2 // add squares to the sum of squares

sums += i // add number to sum to square later

}

return (sums ** 2) - sumOfSquares // difference of square of the total sum and sum of squares

}