#include "difference_of_squares.h"

unsigned int sum_of_squares(unsigned int number) {
    unsigned int sum = 0;
    for (unsigned int idx = 1; idx <= number; idx++)
        sum += (idx * idx);
    return sum;
}

unsigned int square_of_sum(unsigned int number) {
    unsigned int sum = 0;
    for (unsigned int idx = 1; idx <= number; idx++)
        sum += idx;
    return sum * sum;
}

unsigned int difference_of_squares(unsigned int number) {
    return square_of_sum(number) - sum_of_squares(number);
}