NumberPyramid

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

namespace NumberPyramid
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int k = 0;

            for(int row = 1; row <= n; row++)
            {
                for(int col = 0; col < row; col++)
                {
                    if(k <= n - 1)
                    {
                        k++;
                        Console.Write(k + " ");

                    }
                    else
                    {
                        return;
                    }
                }
                Console.WriteLine();
            }
        }
    }
}