#include <stdio.h>
int main()
{
int x=10;
int *p=&x;
*p=20;
printf ("the value of x is:%d",x);
return 0;
}
#include<stdio.h>
int main()
{
int a=20,*p;
p=&a;
++*p
a=a+5;
--*p;
--a;
printf("%d %d",a,*p);
return0;
}
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