Swapping without using temporary variable in C - XOR

	/**
	* Swapping without using a temporary variable in C
	* (XOR)
	**/
	#include<stdio.h>
	int main(void)
	{
	int a = 5; /* a = 0101 */
	int b = 10; /* b = 1010 */
	printf("Initially, a = %d and b = %d\n", a, b);
	a = a ^ b; /* a = 0101 XOR 1010 = 1111 */
	b = a ^ b; /* b = 1111 XOR 1010 = 0101 */
	a = a ^ b; /* a = 1111 XOR 0101 = 1010 */
	printf("After swapping, a = %d and b = %d\n", a, b);
	return 0;
	}

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Written by Munia Balayil