Submission #616032

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Source Code Expand

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


class Program
{
    static void Main(string[] args)
    {
        ulong[] NICO = { 25, 2525, 252525, 25252525, 2525252525, 2525252525 };
        int c = 0;
        ulong n = ulong.Parse(Console.ReadLine());
        for (ulong i = 1; i <= n; i++)
        {
            foreach(var v in NICO)
            {
                if (i % v == 0)
                {
                    c++;
                    break;
                }
            }
        }
        Console.WriteLine(c);
        Console.ReadKey();
    }
}

Submission Info

Judge Result