Write a program to swap two numbers without using third variable.

Written by Sharad Raj on 13th of March, 2018

BASIC PROGRAMS   C LANGUAGE PROGRAMS

PROGRAM CODE

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b;

clrscr();

printf(“Enter two numbers : “):

scanf(“%d%d”,&a,&b);

a=a+b;

b=a-b;

a=a-b;

printf(“numbers after swapping are :%d and %d”,a,b);

getch();

}