using System;
using System.IO;
using System.Text;

namespace RunTimeFk
{
    class RunTimeFk
    {
        static void Main()
        {
            StringBuilder sb = new StringBuilder();

            Random random = new Random();

            // 디버그용
            string savePath = @"C:\BOJ data\histo.txt";

            for (int j = 0; j < 1000; j++)
            {
                int boxCount = random.Next(1, 100001);
                sb.Append(boxCount + " ");

                for (int i = 0; i < boxCount; i++)
                {
                    int randomValue = random.Next(0, 1000000001);

                    if (i != boxCount - 1)
                        sb.Append(randomValue + " ");

                    else
                        sb.Append(randomValue);
                }

                sb.AppendLine();
            }

            sb.Append(0);

            string textValue = sb.ToString();

            File.WriteAllText(savePath, textValue, Encoding.Default);
            sb.Clear();
        }
    }
}