Submission #1869241

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Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

public class Program
{
    public static void Main()
    {
        //int[] num = Console.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
        //string s = Console.ReadLine();
        //int num = int.Parse(Console.ReadLine());
        ulong u = ulong.Parse(Console.ReadLine());
        ulong ans = 1;
        for (ulong i = 1; i <= u; i++) {
            ans = (ans * i)% 1000000007;
        }
        Console.WriteLine(ans);
    }

}

Submission Info

Judge Result