#include <iostream.h>
#include <stdlib.h>
#include <new.h>

    char* alloc_mem(int how_much) {
      char *p= NULL;

      try {
        p= new char[how_much];
      }

      catch (bad_alloc) {
        cerr << "memory allocation failed- couldn't allocate " << how_much
             << " characters!" << endl;
        exit(-1);
      }

      return p;
    }

    int main() {
      int many, i;
      char *m;

      cout << "how many times? ";
      cin >> many;

      for (i = 0; i < many; i++)
         m= alloc_mem(5000000);

      cout << "successful" << endl;

      return 0;
    }