Program to show swap of two no's without using third variable

C Programming Language / Operators and Enums in C Language

948

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Program:

/* Documentation Section
Program to show swap of two no's without using third variable
author: atnyla developer
*/

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b; 
	printf("enter value for a & b: ");
	scanf("%d%d",&a,&b);
	a=a+b;
	b=a-b;
	a=a-b;
	printf("after swapping the value of a & b: %d %d \n",a,b); 
}

Output:

enter value for a & b: 2 3
after swapping the value of a & b: 3 2
Press any key to continue . . .

Explanation:

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