const pow = @import("std").math.pow;
pub fn squareOfSum(n: usize) usize {
    return pow(usize, (n * (n + 1) / 2), 2);
}

pub fn sumOfSquares(number: usize) usize {
    var tot: usize = 0;
    for (0..(number + 1)) |n| {
        tot += pow(usize, n, 2);
    }
    return tot;
}

pub fn differenceOfSquares(number: usize) usize {
    return squareOfSum(number) - sumOfSquares(number);
}