#include<stdio.h>
#include<stdlib.h>
int
main ()
{
int *a, *a1, *a2;
int i;
for (i = 1; i <= 2; i++)
{
if (i == 1)
a1 = a;
else if (i == 2)
a2 = a;
}
*a1 = 5;
*a2 = 4;
printf ("a1=%d, a2=%d\n", *a1
, *a2
); return 0;
}
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