Using CSolutionint positivenumber int number do cout numb

Using C++:

Solution

int positivenumber()
{
   int number;

   do
   {
       cout << \"enter a positive number!\ \";
       cin >> number;
   } while ( cin && number < 0 );
  
    cout << \"you entered a negative number!\ \";
   return ( ( cin ) ? number : -1 );
}