4.Aim - WAP To Swap Two Numbers Without Using Third Variable

Code –

#include<stdio.h>

#include<conio.h>

void main()

{

 int a,b;

 clrscr();

 printf("Enter The Value Of a and b respectively : ");

 scanf ("%d%d",&a,&b);

 a=a+b;

 b=a-b;

 a=a-b;

 printf("\nThe Values Of a and b After Swapping is %d & %d",a,b);

 getch();

}

OUTPUT

Enter The Values Of a and b respectively : 35  93

The Values Of a and b After Swapping is 93 & 35