Binary Gap - Codibility - C#

BinaryGap.cs

using System;

namespace ObjectApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            var S = new Solution();
            Console.WriteLine(S.solution(0));
        }
    }

    class Solution
    {
        public int solution(int n)
        {
            string bits = Convert.ToString(n, 2);
            //Console.WriteLine($"Bit String: {bits}");
            int longest = 0;
            int curCount = 0;

            for (int i = 0; i < bits.Length; i++)
            {
                if (bits[i] == '0')
                {
                    if (curCount > 0) curCount++;
                    else curCount = 1;
                } else curCount = 0;
                if (curCount > longest) longest = curCount;
            }

            return longest;
        }
    }
}