C Programming Examples Tutorial Index

C Number Programs

This program performs addition of two numbers using pointers.

In this program I have used two integer variables x, y and two pointer variables p and q.

Firstly I have assign the addresses of x and y to p and q respectively and then assign the sum of x and y to variable sum. & is address of operator and * is value at address operator.


#include <stdio.h>

int main()
    int first, second, *p, *q, sum;
    printf("Enter two integers to add\n");
    scanf("%d%d", &first, &second);
    p = &first;
    q = &second;
    sum = *p + *q;
    printf("Sum of entered numbers = %d\n",sum);
    return 0;

Program Output:


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