5. Write a program to store and interchange two numbers in variables a and b

/* 5.write a program to store and interchange two number in variables a and b.

     (Swaping of two number) */

#include<stdio.h>

#include<conio.h>

void main()

{

    int a,b,temp;

    clrscr();

    printf("enter two number");

    printf("\na =");

    scanf("%d",&a);

    printf("\nb =");

    scanf("%d",&b);

    printf("\n\nBEFOR");

    printf("\na = %d \nb = %d",a,b);

    temp = a;

    a = b;

    b = temp;

    printf("\n\nAFTER");

    printf("\na = %d \nb = %d",a,b);

    getch();

}

/*      output:

enter two number

a =12

b =13

BEFOR

a = 12

b = 13

AFTER

a = 13

b = 12

*/