Function main

CPP/questions/perfectnumber.cpp:15–25

}

int main()
{
    int n;
    cout<<"Enter a number to check whether it is a perfect number or not: ";
    cin >> n;
    if (perfectnumber(n) == n)
        cout << n << " is a perfect number." << endl;
    else
        cout << n << " is not a perfect number." << endl;
    return 0;
}