#include <iostream>
using namespace std ;

void print_array( int A[], int n ) {

   if (n < 1) {
      cout << "[ ]" << endl ;
      return ;
   }

   cout << "[" << A[0] ;

   for (int i=1; i < n ; i++) {
      cout << ", " << A[i] ; 
   }
   cout << "]" << endl ;

   return ;
}

void copy_array( int A[], int B[], int start, int end ) {

   for(int i = start; i < end ; i++) {
      B[i-start] = A[i] ;
   }
}


int main() {
   int A[] = { 0, 1, 2, 3, 4 } ;
   int Alen = 5 ;
   A[2] = 777 ;
   cout << "A = " ;
   print_array(A, Alen) ;

   int B[3] ;
   int Blen = 3 ;

   copy_array(A, B, 1, 4) ;
   B[1] = 2 ;

   cout << "B = " ;
   print_array(B, Blen) ;
   cout << "A = " ;
   print_array(A, Alen) ;
}