C Program to Add Two Integers

In this example, the user is asked to enter two integers. Then, the sum of these two integers is calculated and displayed on the screen.

To understand this example, you should have the knowledge of the following C programming topics:

C Data Types

C Variables, Constants and Literals

C Input Output (I/O)

C Programming Operators

Program to Add Two Integers

#include <stdio.h>

int main() {

int number1, number2, sum;

printf(“Enter two integers: “);

scanf(“%d %d”, &number1, &number2);

// calculate the sum

sum = number1 + number2;

printf(“%d + %d = %d”, number1, number2, sum);

return 0;

}

Run Code

Output

Enter two integers: 12

11

12 + 11 = 23