#include <iostream>
#include <fstream>

using namespace std;

int main()
{ const int hashsize = 60000;

  int * h = new int[hashsize];
  for (int i=0; i<hashsize; i+=1)
    h[i] = -1;

  ofstream fi("index.dat", ios::out | ios::binary | ios::trunc);
  if (fi.fail())
  { cerr << "creating file didn't work\n";
    exit(1); }

  fi.write((char *)h, hashsize * sizeof(* h));
  if (fi.fail())
  { cerr << "writing table didn't work\n";
    exit(1); }

  cout << "file position is " << fi.tellp() << "\n";

  fi.close(); }