Hackerrank Job Problem

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { //string input = "10001"; //string input = "00110"; string input = "01010"; int count = 0; int currIndex = 0; int start = 0; char currType = input[0]; int typeChange = -1; while (start < input.Length - 1) { if (currIndex > input.Length - 1 || input[currIndex] == currType) { if (typeChange != -1) { if (typeChange - start <= (currIndex - 1)- typeChange) count += typeChange - start; else count += currIndex - typeChange; currType = input[typeChange]; currIndex = typeChange + 1; start = typeChange; typeChange = -1; continue; } } else if (input[currIndex] != currType) { if (typeChange == -1) { typeChange = currIndex; } } currIndex++; } Console.WriteLine(count); Console.ReadLine(); } } }