#include <iostream>

using namespace std;

int divide(int x, int y)
{ if (y == 0)
    throw runtime_error("division by zero");
  return x / y; }

int main()
{ int * x;

  try
  { x = new int[100];
    x[0] = divide(7, 0); }

  catch (bad_alloc & e)
  { cout << "Failed because of bad memory allocation\n";
    x = NULL; }

  catch (exception & e)
  { cout << "Failed because of " << e.what() << "\n";
    x = NULL; }

  cout << "x = " << x << "\n";
  delete [] x; }