Code

                    
/*
 * -----------------------------------------------------------
 * Logic Building with Computer Programming (CSU1128P)
 * Instructor: Abdullahi Adem | Author: Divya Mohan
 * 
 * This code is a part of the educational initiative by dmj.one
 * with aim of empowering and inspiring learners in the field of
 * Computer Science and Engineering through the respective courses.
 * 
 * (c) 2022, Divya Mohan for dmj.one. All rights reserved.
 * -----------------------------------------------------------
 */

#include <stdio.h>
swap (int *x, int *y){
    int z;
    z = *x;
    *x = *y;
    *y = z;
}
int main()
{
    int d, m, j;    
    printf("Enter 2 numbers to swap with space and without decimal - (Example: 20 50) - and press enter: ");
    scanf("%d %d", &d, &m);
    
    printf("\n \t Before Swapping: %d %d \n", d, m);
    // Method 1
    j = d;
    d = m;
    m = j;
    printf("\n \t After Swapping: %d %d \n", d, m);

    // Method 2
    d = d + m; 
    m = d - m;
    d = d - m;
    printf("\n \t After Swapping again: %d %d \n", d, m);
    
    // Method 3
    d = d * m;
    m = d / m;
    d = d / m;
    printf("\n \t After Swapping again: %d %d \n", d, m);

    // Method 4
    d = d ^ m;
    m = d ^ m;
    d = d ^ m;
    printf("\n \t After Swapping again: %d %d \n", d, m);

    // Method 5
    (d ^= m), (m ^= d), (d ^= m);
    printf("\n \t After Swapping again: %d %d \n", d, m);
    
    // Method 6
    swap(&d, &m);
    printf("\n \t After Swapping: %d %d \n", d, m);
    
    return 0;
}