<br />#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
int n,m=1;
cout<<"Enter the value of n : ";
cin>>n;
if(n<0)
{
cout<<endl<<"Factorial of "<<n<<" is infinity"<<endl;
}
else
{
for(int i=1;i<=(n);i++)
{
m=m*i;
}
cout<<endl<<"Factorial of "<<n<<" is : "<<m<<endl;
}
cout<<endl<<" @Myprogworld.....!!!!";
getch();
return 0;
}
Output:-
Myprogworld 