C Triangle, C# - rextester

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            
            int spaces = 3;
            int m = 1;
            int secondWall = 0;
            
            //Writes first wall
            for (int i = 0; i<4; i++)
            {
            
            
                Console.Write(Spaces(spaces)); Console.Write("\u00a9"); 
                    
                if (i !=3)
                    Console.Write(Spaces(secondWall)); 
                    
                if (i!= 0 && i!=3)
                    Console.Write("\u00a9");
                    
                if (i!=3)
                    Console.WriteLine();
    
                spaces--;
                    
                if (i == 0)
                {
                    secondWall++;
                }
                else if (i == 1)
                {
                    secondWall = secondWall + 2;
                }
            }   
            
            Console.WriteLine(" \u00a9 \u00a9 \u00a9 "); 
        }
        
        static string Spaces(int n)
{
        return new String(' ', n);
}
        
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.09 sec, absolute running time: 0.08 sec, cpu time: 0.06 sec, average memory usage: 16 Mb, average nr of threads: 4