//07_Pointer
//parc_02
//wap to print swaping of a two number
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
a=5;
b=6;
printf("\n Before swap a=%d",a);
printf("\n Before swap b=%d",b);
a=a+b;
b=a-b;
a=a-b;
printf("\n After swap a=%d",a);
printf("\n After swap b=%d",b);
getch();
}
/*
--------output--------
Before swap a=5
Before swap b=6
After swap a=6
After swap b=5
*/