SWAPPING TWO NUMBERS IN A SINGLE STATEMENT

C program to swap two numbers in a single statement.

main()
{
int a=10,b=20;
c=(a+b)-(b=a);
printf("The numbers are :%d %d ",a,b);
getch();
}

SWAPPING WITH OUT TEMP VARIABLE

 int swap(int *a,int *b)

{

 *a=*a+*b;*b=*a-*b;*a=*a-*b;

}

main()

{

 int x=10,y=20;

 swap(&x,&y);

 printf("x= %d y = %d\n",x,y);

}