Factorial Using Recursion

#include<iostream.h>
#include<conio.h>
void main()
{
  int n,fact;
  int rec(int); clrscr();
  cout<<"Enter the number:";
  cin>>n;
  fact=rec(n);
  cout<<endl<<"Factorial Result are<<fact<<"\n";
  getch();
}
rec(int x)
{
 int f;
 if(x==1)
  return(x);
 else
 {
  f=x*rec(x-1);
  return(f);
 }
}