Program Perpangkatan C++

//Program Perpangkatan by LD (STIKOM BALI)
#include "iostream.h"
#include "conio.h"

main()
{
int a[6];
/*tampilan dan input data*/
cout<<"Program Perpangkatan"<<endl;
cout<<"--------------------"<<endl<<endl;
for(int i=0;i<=5;i++)
    {
   cout<<"Data ke-"<<(i+1)<<" : ";
   cin>>a[i];
   }
cout<<endl;
/*proses dan output*/
cout<<"Hasil Perpangkatan"<<endl;
cout<<"------------------"<<endl;
for(int i=0;i<=5;i++)
    {
   cout<<"Data ke-"<<(i+1)<<" : "<<a[i];
   cout<<" ------->> : "<<a[i]*a[i]<<endl;
   }
cout<<endl;
cout<<"Enter to STOP!!!";
getch();
return 0;
}