Question

Write a C program to accept two natural numbers and swap the contents from one another without using any extra variable and without using any arithmetic operators

Answer 1

Answer:

#include<stdio.h>

#include<conio.h>

int main()

{

   int x,y;

   printf("x = ");

   scanf("%d",&x);

   printf("y = ");

   scanf("%d",&y);

   printf("\nBefore swap x = %d and y = %d\n", x, y);

   printf("After swap x = %d and y = %d\n", y, x);

   

   

   getch();

   return 0;

}

Explanation:

There is no use of extra variables and any arithmetic operator.