循环打印0-99

using System;
using System.Collections.Generic;
using System.Text;

namespace helloworld
{
    class Program
    {
        
        //public static int i = 2;
        static void Main(string[] args)
        {
            for (int i = 0; i < 100; i += 10)
            {
                for (int j = i; j < i + 10; j++)
                {
                    if (j < 10)
                    {
                        Console.Write("\0"+"\0" + j);
                    }
                    else
                        Console.Write("" + j);
                
                }
                Console.WriteLine();
            
            
            }
        }
    }
}