// find the sum of the first 'number_to_sum' squares using a function.

#include <iostream>
using namespace std;

int sumofsquares(int);          //function prototype

/* function to find sum of the squares */
int sumofsquares(int n)
{
    int sum = 0;

    for (int i = 1; i <= n; i++)
        sum += (i * i);
    return (sum);
}

int main()
{
    int number_to_sum;

    cout << "Enter the number of squares to be summed: ";
    cin >> number_to_sum;
    cout << sumofsquares(number_to_sum) << " is the sum of the first "
        <<number_to_sum << " squares." << endl;

//  system("pause");            //un-comment when using DevC++
    return 0;
}