#include <iostream>
using namespace std;

int main()
{
   cout <<"Please enter the # of students: "<<endl;
   int students;
   cin >>students;

   int* classRoster = new int[ students ];
   for ( int i = 0; i < students; i ++ )
   {
     cout <<endl<<"Please enter student "<<i<<"'s grade: ";
     cin >> classRoster[ i ];
   }
   
   int total = 0;
   for ( int i = 0; i < students; i ++ )
   {
      total += classRoster[ i ];
   }

   cout << "Class average is: " << total/students;

}