[C#] [BOJ#10872] 팩토리얼

https://www.acmicpc.net/problem/10872

10872번: 팩토리얼

My Solution

---

using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)        
       {
            int n = int.Parse(Console.ReadLine());
            int result = n;
            int i = n-1;
            while (i > 0)
            {
                result =  result * i;
                i--;
            }
            Console.WriteLine(n == 0 ? 1 : result);
        }
    }
}