C code to sum of two integer using Bitwise operator

C code to sum two integer using Bitwise operator

In this article, we will discuss the concept of the C code to sum 0f two integer using Bitwise operator

In this post, we are going to learn how to  write a program to find the sum of two numbers using Bitwise operator in C programming language

Code to find the addition of  two numbers 

Addition of two integer using Bitwise operator

The program allows the user to enter two integers and then calculates sum of given  numbers using  Bitwise operator in C language

Program 1

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a,b,num1,num2;

    printf("Enter the first number: \n");
//ask input from the user for num1
    scanf("%d",&num1);
//store the input value in num1

     printf("Enter the second number: \n");
//ask input from the user for num2
    scanf("%d",&num2);
//store the input value in num2
    a=num1;//Assign the value of num1 to a
    b=num2;//Assign the value of num2 to b

    while (num2!= 0)
    {//Calculate the sum of two numbers using bitwise operator
        int bwr=num1 & num2;
        num1=num1^num2;
        num2=bwr<<1;
    }
    printf("Sum of %d and %d is: %d",a,b,num1);
//Display output on the screen
getch();
    return 0;
}

When the above code is executed, it produces the following result

Enter the first number:
250
Enter the second number:
350
Sum of 250 and 350 is: 600

Addition oft two integer using Bitwise operator – with function

The program allows the user to enter two integers and then calculates sum of given  numbers using  Bitwise operator in C language

Program 2

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int num1,num2,ans;
    printf("Enter two numbers: \n");
//ask input from the user for num1 and num2
    scanf("%d %d",&num1,&num2);
//store the input values in num1 and num2
    ans=sum(num1,num2);//Calling the function
    printf("Sum of %d and %d is %d",num1,num2,ans);
//Display output on the screen
    getch();
    return 0;
}
int sum(int x, int y){//function definition
  while(y!=0){//Calculate the sum of two numbers using bitwise operator
    int carry=x & y;
    x=x^y;
    y=carry<<1;
  }
  return x;
}

When the above code is executed, it produces the following result

Enter two numbers
300
100
Sum of 300 and 100 is 400

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