C - Pointers - Discussion

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Q.

#include

int main(){
int *p=(int *)1000;
int *temp;
temp=p;
p=p+2;
printf("%u %u\n",temp,p);
printf("difference=%d",p-temp);
return 0;
}
A. 1000 1000 B. 1000 1002
C. 1000 1004 D. 1002 1000

Answer: Option C
Explaination:

Here two pointer p and temp are of same type and both are pointing to int data type varaible.

p-temp = (1004-1000)/sizeof(int)
=4/2
=2


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