C# - Integer to Roman, C#

C# - Integer to Roman

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var result = Solution.IntToRoman(3);
            Console.WriteLine(result);
        }
    }
    
    public static class Solution {
        public static string IntToRoman(int num) {

int[] values = {1000,900,500,400,100,90,50,40,10,9,5,4,1};
            String[] strs = {"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};

StringBuilder sb = new StringBuilder();

for(int i=0;i<values.Length;i++) {
                while(num >= values[i]) {
                    num -= values[i];
                    sb.Append(strs[i]);
                }
            }

return sb.ToString();
        }
    }
}


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