anonymous_union

  1 int
  2 main(int argc, char *argv[])
  3 {
  4         int sum = 0;
  5         int sum2 = 0;
  6
  7         if (argc >= 2)
  8                 for (int i = 0; i < argv[1]; i++)
  9                         sum += i;
 10
 11         if (argc >= 3)
 12                 for (int i = 0; i < argv[2]; i++)
 13                         sum2 += sum + i;
 14
 15         return 0;
 16 }