1 to 1000 armstrong, 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
//Mahendran.S KCE
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
           int i,temp1=0,temp2=0,flag=0,t;
           int[] sum=new int[1000];
            for(i=1;i<1000;i++)
            {
                
                temp1=i;
                while(temp1>0)
                {
                  t=temp1%10;  
                  temp2=t*t*t;
                  temp1=temp1/10;
                    sum[i]=sum[i]+temp2;
                    temp2=0;
                }
                temp1=0;
                if (sum[i]==i)
                {
                    Console.WriteLine("{0} is armstrong",sum[i]);
                }
                
                
            }
        }
    }
}

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