using System;

public class Program

{

    public static void Main()

    {

            int filas = 6;

            char caracter = '#';

            int c = (filas*2)-2;

​

            for(int i = 1; i <= filas; i++){ //for de filas

​

                for(int b = 0; b < c; b++){ //for de espacios

                    Console.Write(" ");

​

                }

                c -=2;

​

                for(int a = 0; a < i; a++){ //for de caracter

                    Console.Write(caracter);

                }

                Console.Write("\n");

​

​

​

            } 

    }

}