/**
9. Write a C++ program that reads all the integers from a file ``int.txt'',
stores them in an array called {\em myintarray}, and then prints the
integers to the console in reverse order. (Hint: Use a for-loop on the array).
**/

//using dynamic array  -- does two passes through the file - you can read any # of integers

#include<iostream>
#include<fstream>
#include<cstdlib>

using namespace std;

int main () {
  char in_name[15];
  int a,i=0,c,n,sum;
  int *myarray;
  ifstream infile;
  cout<< "Enter input file name\n";
  cin>>in_name;
  infile.open(in_name);
  if(infile.fail()){
    cout<<"Failed to open input file\n";
    exit(1);
  }

  /* get a count of integers in the file */
  while (infile >> a){
    i++;
  }

  /* allocate memory */
  myarray=new int[i];


  infile.clear();              // forget we hit the end of file
  infile.seekg(0, ios::beg);   // move to the start of the file







  i=0;
  /* read file again */
  while (infile >> a){
    myarray[i]=a;
    i++;
  }


  for (int j=i-1; j>= 0;j--)
    {
      cout<<"myarray["<<j<<"]="<<myarray[j]<<endl;
    }
  infile.close();
}