ProgFund_Exam_27Aug2018_Pr04_IronGirder

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Numerics;
namespace Exam_Pr03
{
    class Program
    {
        static void Main()
        {
            Dictionary<string, int> townToTimes = new Dictionary<string, int>();
            Dictionary<string, ulong> townToPassengers = new Dictionary<string, ulong>();
            while (true)
            {
                var input = Console.ReadLine();
                if(input == "Slide rule")
                {
                    break;
                }
                string[] arrForTown = input.Split(new[] { ':'}, StringSplitOptions.RemoveEmptyEntries);
                string town = arrForTown[0];
                string[] arrForTime = input.Split(new[] { ':', '>'}, StringSplitOptions.RemoveEmptyEntries);
                string rawTime = arrForTime[1];
                rawTime = rawTime.Trim('-');
                int time;
                string ambush = "";
                ulong passengers = ulong.Parse(arrForTime[2]);
                if (int.TryParse(rawTime, out time))
                {
                    time = int.Parse(rawTime);
                }
                else
                {
                    ambush = rawTime;
                }
                if (ambush != "")
                {
                    if(townToTimes.ContainsKey(town))
                    {
                        townToTimes[town] = 0;
                        townToPassengers[town] -= passengers;
                    }
                }
                else
                {
                    if(!townToTimes.ContainsKey(town))
                    {
                        townToTimes.Add(town, time);
                        townToPassengers.Add(town, passengers);
                    }
                    else
                    {
                        if(townToTimes[town] == 0 || townToTimes[town] > time)
                        {
                            townToTimes[town] = time;
                        }
                        townToPassengers[town] += passengers;
                    }
                }
            }
            foreach(var entry in townToTimes.OrderBy(kvp => kvp.Value).ThenBy(kvp => kvp.Key))
            {
                string town = entry.Key;
                int time = entry.Value;
                ulong passengersCount = townToPassengers[town];
                if(time < 1 || passengersCount <= 1)
                {
                    continue;
                }
                Console.WriteLine($"{town} -> Time: {time} -> Passengers: {passengersCount}");
            }
        }
    }
}