using System;
using System.IO;

namespace ConsoleApp1
{
    class Program
    {
        static void PaprastiKomentarai(string fv, string fa)
        {
            string[] lines = File.ReadAllLines(fv);
            using (var fr = File.CreateText(fa))
            {
                foreach (string line in lines)
                {
                    string nauja = line;
                    for (int i = 0; i < line.Length - 1; i++)
                    {
                        if (line[i] == '/' && line[i + 1] == '/')
                        {
                            nauja = line.Remove(i);
                        }
                    }

                    if(nauja.Trim() != "") fr.WriteLine(nauja);
                }
            }
        }

        static void SudetingiKomentarai(string fv, string fd)
        {
            string text = File.ReadAllText(fv);
            using (var fr = File.CreateText(fd))
            {
                bool start = false;
                bool end = false;
                int k = 0;
                bool count = false;

                bool comment = false;

                int index1 = -1;

                for (int i = 1; i < text.Length; i++)
                {
                    if (text[i-1] == '"') comment = true;
                    if (text[i] == '"' && comment) comment = false;

                    end = false;

                    if (text[i-1] == '/' && text[i] == '*' && !start && !comment)
                    {
                        index1 = i - 1;
                        start = true;
                        count = true;
                    }

                    if (count) k++;

                    if (text[i - 1] == '*' && text[i] == '/' && !comment)
                    {
                        end = true;

                        text = text.Remove(index1, k+1);
                        count = false;
                        k = 0;
                        start = false;
                        i = 0;
                    }
                }

                if (start && !end)
                {
                    k = text.Length - index1;
                    text = text.Remove(index1, k);
                }

                fr.Write(text);
            }
        }

        static void Main(string[] args)
        {
            const string CFd = "Duomenys.txt";
            const string CFr = "Rezultatai.txt";
            const string CFa = "Analize.txt";

            PaprastiKomentarai(CFd, CFa);
            SudetingiKomentarai(CFa, CFr);

            Console.WriteLine("Finished");
        }
    }
}