#include<stdio.h>
int main(void)
{
int a, b, *p, *q;
p = &a;
q = &b;
*q = 1;
a = 3;
b = *p;
*p=100;
printf("%d, %d, %d, %d\n", a
, b
, *p
, *q
);
return 0;
}
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