Swapping of two numbers without using third variable

Question

#include<stdio.h>

int main()
{
int a,b;
printf("Enter two numbers");
scanf("%d%d",&a,&b);
printf("Before swapping numbers are a=%d,b=%d",a,b);
a=a+b;
b=a-b;
a=a-b;
printf("After swapping numbers are a=%d,b=%d",a,b);
return 0;
}

Answer 1

So what is your question ??

Answer 2

Yes