Clear comments

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Text.RegularExpressions;

class Program
{
    static void Main()
    {

        int count = int.Parse(Console.ReadLine());
        StringBuilder builder = new StringBuilder();
        string line;
        for (int i = 0; i < count; i++)
        {
            line = Console.ReadLine();
            if (line.Length>0)
            {
                builder.AppendLine(line);
            }

        }
        string content = builder.ToString();
        builder.Clear();
        char nextChar;
        bool inTotalQuote = false;
        bool inQuotes = false;
        bool inComment = false;
        bool inMultiComment = false;
        List<string> rows = new List<string>();

        for (int pos = 0; pos < content.Length; pos++)
        {
            nextChar = content[pos];

            if (nextChar == '\\' && !inTotalQuote && !inComment && !inMultiComment) //TODO: better
            {
                if (pos < content.Length -1 && content[pos+1] != '\n')
                {
                    builder.Append("\\").Append(content[pos + 1]);
                }
                pos++;
                continue;
            }
            if (nextChar == '"')
            {
                if (inTotalQuote == true) //"" espaces quotes !
                {
                    inTotalQuote = false;
                }
                else if (inQuotes == true)
                {
                    inQuotes = false;
                }
                else if (inQuotes == false)
                {
                    inQuotes = true;
                }
            }
            if (nextChar == '/' && !inQuotes && !inTotalQuote && !inComment && !inMultiComment)
            {
                if (pos < content.Length)
                {
                    if (content[pos+1] == '/')
                    {
                        inComment = true;
                        pos++;
                        continue;
                    }
                    if (content[pos+1] == '*')
                    {
                        inMultiComment = true;
                        pos++;
                        continue;
                    }
                }
            }
            if (nextChar == '*' && !inQuotes && !inTotalQuote && !inComment)
            {
                 if (pos < content.Length)
                {
                    if (content[pos+1] == '/')
                    {
                        inMultiComment = false;
                        pos++;
                        continue;
                    }
                }
            }
            if (nextChar == '@' && !inQuotes && !inTotalQuote && !inComment && !inMultiComment)
            {
                if (pos < content.Length)
                {
                    if (content[pos+1] == '"')
                    {
                        inTotalQuote = true;
                        pos++;
                        builder.Append("@\"");
                        continue;
                    }
                }
            }
            if (inComment == false && inMultiComment == false) //append current char
            {
                if (nextChar == '\n' && inMultiComment == false)
                {
                    if (!string.IsNullOrWhiteSpace(builder.ToString()))
                    {
                        rows.Add(builder.ToString().TrimEnd('\r', '\n'));
                    }
                    builder.Clear();
                    inQuotes = false;
                }
                else
                {
                    builder.Append(nextChar);
                }
                continue;
            }
            if (nextChar == '\n' && inComment == true)
            {
                if (!string.IsNullOrWhiteSpace(builder.ToString().TrimEnd('\r','\n')))//builder.Length>0
                {
                    rows.Add(builder.ToString());
                    builder.Clear();
                    inComment = false;
                    inQuotes = false;
                }
                else
                {
                    builder.Clear();
                    inComment = false;
                    inQuotes = false;
                }
            }

        }
        foreach (var item in rows)
        {

            if (!string.IsNullOrWhiteSpace(item))
            {
                Console.WriteLine(item);
            }

        }

    }
}