Factorial of a number using functions

Q. 97 Write a C++ program to find the Factorial of a number using functions.

Copy Code:

#include <iostream>

using namespace std;

int main()

{

  int a; int fact( int n );

  cout << " Enter a Number : ";

  cin >> a;

  cout << " Factorial of " << a << " = " << fact (a);

  

  return 0;

}

int fact( int n )

{

   int i, f = 1; 

   for ( i = 1 ; i <= n ; ++i )

        f = f * i ;

   return (f);

}