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

namespace Bingo
{
    class Program
    {
        static void Main(string[] args)
        {
        start:
            Console.WriteLine("Please put in ten numbers between 1-25. please only use whole numbers." +
                (" " + "Please make sure you only write numbers you have not already entered."));
            int[] usernumbers = new int[10];

            for (int i = 0; i <= 9; ++i)
            {
                int input;
                do
                {
                    input = askForInt();
                } while (!checkIfUnique(usernumbers, input));
                usernumbers[i] = input;
            }
            // random nr generator
            Random boxOfRandomNr = new Random();
            int[] randomnumbers = new int[7];
            for (int i = 0; i <= 6; ++i)
            {
                int random;
                do
                {
                    random = boxOfRandomNr.Next(1, 26);
                } while (!checkIfUnique(randomnumbers, random));
                randomnumbers[i] = random;
            }
            int score = 0;
            foreach (int n in usernumbers)
            {
                if (!checkIfUnique(randomnumbers, n))
                {
                    score += 1;
                }
                else
                {
                    score += 0;
                }
            }
            Console.WriteLine("Your score: {0}", score);
            goto start;
        }

        public static bool checkIfUnique(int[] usernumbers, int input)
        {
            foreach (int n in usernumbers)
            {
                if (input == n)
                {
                    return false;
                }
            }
            return true;
        }
        public static int askForInt()
        {
            int input = 0;
        nrplease:
            try
            {
                input = Convert.ToInt32(Console.ReadLine());

            }
            catch (Exception)
            {
                Console.WriteLine("Please only use numbers.");
                goto nrplease;
            }
            return input;
        }
    }
}