C26 : Addition of two numbers using pointer

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//Program to print addition of two numbers by using pointer

#include<stdio.h>
#include<conio.h>
void main()
{
int num1,num2,*p1,*p2,*p3;
clrscr();
printf("Enter first number\n");
scanf("%d",&num1);
printf("Enter second number\n");
scanf("%d",&num2);
p1=&num1;
p2=&num2;
*p3=*p1+*p2;
printf("addition=%d",*p3);
getch();
}
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Output
Enter first number
40
Enter second number
30
Addition=70
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