CODE EXAMPLE FOR CSHARP

Program for factorial of a number in c#

// C# program to find factorial
// of given number
using System;
 
class Test {
    // method to find factorial
    // of given number
    static int factorial(int n)
    {
        if (n == 0)
            return 1;
 
        return n * factorial(n - 1);
    }
 
    // Driver method
    public static void Main()
    {
        int num = 5;
        Console.WriteLine("Factorial of "
                          + num + " is " + factorial(5));
    }
}
 
// This code is contributed by vt_m