array problem 4

//array problem 4
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n,av,sum=0;
    cin >> n;
    int ar[n];
    for(int i=0; i<n; i++)
    {
        cin >> ar[i];
        sum+=ar[i];
    }
    cout << "average of the array elements are " << sum/n << endl;

    return 0;
}