Program to accept two values of variables a & b and Swap their values.| Using C language| very Basic| C Program series 06|

👨‍💻Program to accept two values of variables a & b and  Swap their values.

Code:

    //Program to accept two values of a & b and swap their values.

    #include<stdio.h>

    main()

    {

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

       

        int a,b,c;//Using three variables.(This program can be made using only two variables using another logic.)

       

        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);

       

        c=a;//Here, we stroed value of 'a' in 'c'.

        a=b;//Then change value of 'a' by 'b'.

        b=c;//Then change value of 'b' by 'c'(now 'c' is older value of a).

       

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

    }

Output:

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