C Programming Solved Problems Let us C Yashwant Kanitkar Chapter 2

Q: (h) 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>

int main()

{

    int C, D, t;

    printf("Enter value of C: ");

    scanf("%d", &C);

    printf("Enter value of D: ");

    scanf("%d", &D);

    printf("\nBefore swapping: C = %d, D = %d\n", C, D);

    t = C;

    C = D;

    D = t;

    printf("After swapping:  C = %d, D = %d\n", C, D);

    return 0;

}

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