Question

write a program in c to swap the value of variable a and b without using a third variable.​

Answer 1

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b;

printf(“ enter the value of a is = “);

scanf(“%d”,&a);

printf(“\n enter the value of b is = “);

scanf(“%d”,&b);

getch();

}

output

enter the value of a is = 2

enter the value of b is = 3