Simple C Program to add Two numbers

In this article we will show you, How to write a simple C program to add two integer values and print the output.

Simple C Program to add Two numbers

This C program let the user to enter two integer values and then add those two numbers and assign the total to variable sum.

/* Simple C Program to add Two numbers */

#include <stdio.h>
int main()
{
  int number1, number2, sum;
 
  printf(" Enter two integer values \n ");
  scanf("%d %d", &number1, &number2);
  
  sum = number1 + number2;
 
  printf(" Sum of the two integer values is %d", sum);
  return 0;
}

OUTPUT:

ANALYSIS

First we declared three integer values called as number1, number2 and sum

int number1, number2, sum;

Following statements ask the user to enter two integer numbers, next scanf statement will assign the user entered values to already declare variables number1 and number2.

  printf(" Enter two integer values \n");
  scanf("%d %d", &number1, &number2);

Next line, we used Arithmetic Operators + to add number1 and number2 and then assigned that total to sum.

sum = number1 + number2;

Following printf statement will print the sum variable as output (22 + 44 = 66).

printf(" Sum of the two integer values is %d", sum);

This program worked well while adding two positive integers, How about adding positive and negative integer? Let us see

It worked fine with negative numbers too 🙂

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