#include <iostream.h> #include <conio.h> const long factorial(const long); int main( ) { clrscr( ); int n; cout<<\"\\n Enter the number = \"; cin>>n; cout<<\"\\n n! = \"<<n<<\"!\"<<\" = \"<<factorial(n)<<endl; getch( ); return 0; } //-------------------------- factorial( ) -----------------------------// const long factorial(const long n) { long fn=1; if(n>1) fn=(n*factorial(n-1)); return fn; }