// this program initializes an array 
// of 20 elements to 0's and then reads 
// an arbitrary number (<= 20) of numbers 
// and stores them in the array.
// End of file indicated by number -9999
// It then prints out the contents of the 
// resulting array.
#include <iostream.h>
#include <iomanip.h>

main()
{
  const int arraysize = 20;
  int numbs[arraysize] = {0};
  int i, count = 0;

  cout << "Array numbs initialized to 0" << endl;
  cout << "Array element" << setw(10)
       << "Contents" << endl;
  for (i = 0; i < arraysize; i++)
    cout << setw(8) << "numbs[" 
         << setw(2) << i << "]"
         << setw(10) << numbs[i] 
         << endl;
  cout << endl;

  // read in array elements
  cin >> numbs[count];
  while(( numbs[count] ) != -9999)
    {
      cin >> numbs[++count];                          
    }

  // print out new array contents
  cout << "Array numbs read as input" << endl;
  cout << "Array element" << setw(10)
       << "Contents" << endl;
  for (i = 0; i <= count - 1; i++)
    cout << setw(8) << "numbs[" 
         << setw(2) << i << "]"
         << setw(10) << numbs[i] 
         << endl;
  cout << endl;

  return 0;
}