sum of n numbers using recursion

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