factorial using recursion

#include<iostream.h>
#include<conio.h>
int fact(int);
void main()
{
  clrscr();
  int n;
  cout<<"enter the number: ";
  cin>>n;
 cout<<"factorial of "<<n<<" is ";
 cout<<fact(n);
  getch();
}
int fact(int x)
{
  int p;
  if(x>0)
 { p=x*fact(x-1);
  return p; }
  else
  return 1;
}