array integration, C#

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//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)
        {
            Console.WriteLine("2 1 5 3 4 8 6 7");           
            
            char[] vetor = new char[]{'2','1','5','3','4', '8', '6', '7'};
            
            int nTotElement = vetor.Length;            
            int nCountTot = 0;
            
            for(int i = 0; i < (nTotElement - 1); i++)
            {
                int nCountAux = 0;
                int nValueCurr = (int)char.GetNumericValue(vetor[i]);
                
                for(int j = (i + 1); j < nTotElement; j++)
                {
                    int nValueNext = (int)char.GetNumericValue(vetor[j]);
                    
                    if(nValueCurr > nValueNext)
                    {
                        nCountTot++;
                        nCountAux++;
                    }
                    else
                    {
                        nCountAux = 0;
                        break;
                    }
                    
                    if(nCountAux > 2)
                    {
                        Console.WriteLine("Too long");
                        return;
                    }
               }
                
            }
            
            Console.WriteLine("Integration = " + nCountTot);
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,08 sec, cpu time: 0,09 sec, average memory usage: 13 Mb, average nr of threads: 3