Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
// https://projecteuler.net/problem=6
export const squareDifference = (num = 100) => {
let sumOfSquares = (num * (num + 1) * (2 * num + 1)) / 6
let sums = (num * (num + 1)) / 2
return sums ** 2 - sumOfSquares // difference of square of the total sum and sum of squares
}
