C program to add two numbers

C Programming Language / Fundamentals of C Language

54082

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In this program we will add two numbers using c programming language. First we will take two variable num1 and num2 to store the value. Then using the arithmetic operator (+) we will add them then we will store the result in sum variable. At last we will print the sum variable to see the result. 

Flow chart

Program:

/**
 * Write a C program to input two numbers from user and calculate
 their sum. C program to add two numbers and display their sum as 
 output. How to add two numbers in C programming.
 */
 
#include"stdio.h"
 
int main()
{
    int num1, num2, sum;
     
    /*
     * Read two numbers from user
     */
    printf("Enter first number: ");
    scanf("%d", &num1);
    printf("Enter second number:");
    scanf("%d", &num2);
     
    /* Adding both number is simple and fundamental */
    sum = num1 + num2;
     
    /* Prints the sum of two numbers */
    printf("Sum of %d and %d = %d \n", num1, num2, sum);
     
    return 0;
}

Output:

Enter first number: 55
Enter second number:22
Sum of 55 and 22 = 77
Press any key to continue . . .

Explanation:

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