C# 백준 10872번: 팩토리얼

using System;

class Program {
    static void Main(string[] args) {
        string stringN = Console.ReadLine();
        int intN = Convert.ToInt32(stringN);
        int factorial = 1;
        for (int i = 1; i <= intN; i++) {
            factorial = factorial * i;
        }
        Console.WriteLine(factorial);
    }
}

 

문제 출처

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

10872번: 팩토리얼