- printf (" max_height %d\n", ao_max_height);
- printf (" avg_height %d\n", ao_avg_height);
- printf (" error_h %d\n", ao_error_h);
+ printf (" max_height %ld\n", ao_max_height);
+ printf (" avg_height %ld\n", ao_avg_height);
+ printf (" error_h %ld\n", ao_error_h);