Write a C program to swap two numbers.

#include <stdio.h>

void main()

{

   int x, y, temp;

   printf("Enter the value of x and y\n");

   scanf("%d%d", &x, &y);

   printf("Before Swapping\nx = %d\ny = %d\n",x,y);

   temp = x;

   x    = y;

   y    = temp;

   printf("After Swapping\nx = %d\ny = %d\n",x,y);

 }