Program to accept two values of variables a & b and Swap their values (WITHOUT using Third variable).| Using C language| very Basic| C Program series 07|

👨‍💻Program to accept two values of variables a & b and  Swap their values. [Without using the Third variable]

Code:

    //Program to swap the values of two variables without using third variable.

    #include<stdio.h>

    main()

    {

        printf("Program to accept two values of a & b and swap their values.\n");

       

        int a,b;//using only two variables.

       

        printf("Enter the value of a:");

        scanf("%d",&a);

       

        printf("Enter the value of b:");

        scanf("%d",&b);

       

        printf("\nBEFORE swap a & b: a=%d, b=%d",a,b);

       

        a=a+b;//Change 'a' by addition(sum) of them

        b=a-b;//Now here, b=(a+b)-b = a

        a=a-b;//Now here, a=(a+b)-(a) = a+b-a = b

       

        printf("\nAFTER swap a & b: a=%d, b=%d",a,b);

    }

Output:

👉Click for more C Program series Questions.[Questions list]