(f) Two numbers are input through the keyboard into two locations C and D. Write a program to interchange the contents of C and D.

Let Us C by Yashwant Kanetkar

 

Solution By Muhammad Kaleem UIlah

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[H] Write C programs for the following:

(f) Two numbers are input through the keyboard into two locations C and D. Write a program to interchange the contents of C and D.

#include <stdio.h>

#include <stlib.h>

int main ()

{

    int A,B,C;

    printf("\n\t\tEnter Your First Number =");

    scanf("%d",&A);

    printf("\n\t\tEnter Your 2nd Number = ");

    scanf("%d",&B);

    C=A; A=B; B=C;

    printf("\n\t\t A = %d",A);

    printf("\n\t\t B = %d\n",B);

}