nibble and its reverse

//nibble and decimal number  reverse  a simple illustrations through program.
itprofessionalsrocks.blogspot.com
#include<iostream.h>
#include<conio.h>
void main()
{
  int a,p,d,t,i=1,nib=0,rev=0;
  cout<<"enter the decimal number" ;
  cin>>a;
  p=a;
  while(a>0)
  {
   t=a%4;
   nib=nib+t*i;
   i=i*10;
   a=a/4;
  }
  cout<<nib;
  while(p>0)
  { d=p%10;
  rev=rev*10+d;
  p=p/10;

  }
     cout<<"number after reversing"<<rev;
  getch();
}
itprofessionalsrocks.BLOGSPOT.COM