1) USING THIRD VARIABLE
#include<stdio.h>
main()
{
int a,b,temp;
printf("Enter first number: ");
scanf("%d",&a);
printf("\nEnter second number: ");
scanf("%d",&b);
temp=a;
a=b;
b=temp;
printf("After swapping value of first and second is %d %d",a,b);
}
OUTPUT:
Enter first number: 6
Enter second number: 8
After swapping value of first and second is 8 6
