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

C Programming Language / Overview of C Language

1547

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Program:

// 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:

Output 1 
enter value for a & b: 2  3
after swapping the value of a & b: 3 2
Press any key to continue . . .

Output 2 
enter value for a & b: 12
56
after swapping the value of a & b: 56 12
Press any key to continue . . .

Explanation:

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