#include <iostream>
using namespace std ;

int main () {
   int A[5] ;
   int i, n=5 ;

   // Store squares in A[].
   //
   i = 0 ;
   while (i != n+1) {
      A[i] = i*i ;
      i++ ;
   }

   cout << "The number 4 squared is " << A[4] << endl ;
   cout << " n = " << n << endl ;
}