binarynumbers.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static void Main(String[] args) {
        int n = Convert.ToInt32(Console.ReadLine());
        string thebinary = Convert.ToString(n, 2);
        char[] binaryArray = thebinary.ToCharArray();
        int consecutiveones = 0;
        int maxconsec = 0;
        for(int j = 0; j < thebinary.Length; j++) {
            //Console.WriteLine(binaryArray[j]);
            if(binaryArray[j]=='1') {
                consecutiveones++;
                //Console.WriteLine(consecutiveones);
                if(consecutiveones > maxconsec) {
                    maxconsec = consecutiveones;
                }
            } else {
                consecutiveones = 0;
            }
        }
        Console.WriteLine(maxconsec);
    }
}