C Program to swap value of 2 integers without using a temperory variable

C Program to swap value of 2 integers without using a temperory variable

# include
# include
void main()
{
int a,b;
clrscr();
printf("\n Enter first number:");
scanf("%d",&a);
printf("\n Enter second number:");
scanf("%d",&b);
a=a+b;
b=a-b;
a=a-b;
printf("\n swapped variables are:%d %d",a,b);
getch();
}


**************Output*****************


Enter first number:4

Enter second number:8

swapped variables are:8 4