[Baekjoon 4단계(3)] 1110번 : 더하기 사이클

출제 링크 : https://www.acmicpc.net/problem/1110

1110번: 더하기 사이클

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

namespace Solution
{
    class Program
    {
        static void Main(string[] args)
        {
            int First_Number = int.Parse(Console.ReadLine());
            int Last_Number = First_Number;
            int Cycle = 0;
            bool repeat = true;

            while(repeat)
            {           
                int Tens = Last_Number / 10;
                int Units = Last_Number % 10;
                int Sum = Tens + Units;
                int Result = Sum % 10;
                Last_Number = (Units * 10) + Result;
                Cycle++;
                if (First_Number == Last_Number) break;
            }
            Console.WriteLine(Cycle);
        }
    }
}