Program to swap the three digit number

PROGRAM 1

#include<stdio.h>

#include<conio.h>

void main ()

{

 int b,r,n,r1,r2;

 clrscr ();

 printf ("Enter Value: ");

 scanf ("%d",&n);

 r=n%10;

 n=n/10;

 r1=n%10;

 n=n/10;

 r2=n%10;

 n=n/10;

 b=(r*100)*(r2*10)+(r2);

 printf ("%d%d%d",r,r1,r2);

 getch (); 

}

OUTPUT 

Enter Value:258

852