//	Ex662.cc

//	Sec. 6.6 of lecture
//	Referenz and dynamical array of type student
//	Input: a.out < input.650

#include <iostream.h>

main()
{
 struct Student
  {
    long long int matrikel;
              int skz;
              char name[30], vorname[20];
  };

 int     i, n;
 Student *gruppe;        // pointer at Student
 
 cout << endl;
 cout << " How many Students : "; 
 cin >> n;		// input n
 
 gruppe = new Student[n]; // allocate memory

//			Data input; 
 for (i = 0; i < n; i++)
  {
    cout << endl << "Student nr. " << i << endl;
    cout << "Familenname : ";
    cin  >> gruppe[i].name;
    cout << "Vorname     : ";
    cin  >> (gruppe+i)->vorname;  
    cout << "Matrikelnummer : ";
    cin  >> gruppe[i].matrikel;
    cout << "SKZ            : ";
    cin  >> gruppe[i].skz;
  }
 cout << endl;
 
 i = 3;
 if ( i < n)
 {
//		reference on comp. of structure
   int           &rskz = gruppe[i].skz;
//		reference on structure
   Student       &rg   = gruppe[i];
//		reference on comp. of referenced structure
   long long int &rm   = rg.matrikel;
    
   cout << endl;
   cout << "Student nr. " << i << " : ";
   cout << rg.vorname << " " << rg.name << " , ";
   cout << rm << " , " << rskz << endl;
 }
 delete [] gruppe;           // deallocate memory
}