[ BackJoon C# ] 3052번 : 나머지

https://www.acmicpc.net/problem/3052

3052번: 나머지

using System;
using System.Collections.Generic;

namespace BackJoonStudy
{
    class Program
    {
        static void Main(string[] args)
        {

            int countNUM = 10;
            int divNUM = 42;
            int reminder = 0;
            bool[] judge = new bool[divNUM];

            for(int i=0; i<countNUM; i++)
            {
                reminder = int.Parse(Console.ReadLine()) % divNUM;
                judge[reminder] = true; 
            }

            int count = 0;
            for(int i=0; i<judge.Length; i++)
            {
                if (judge[i]) count++;
            }

            Console.WriteLine(count);


        }
    }
}