SoftUniExamResults aka Ranking-TFExam01Jul18

using System;
using System.Linq;
using System.Collections.Generic;

namespace _04SoftUniExamResults
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, int> userPoints = new Dictionary<string, int>();
            Dictionary<string, int> examSubs = new Dictionary<string, int>();

            while (true)
            {
                string command = Console.ReadLine();

                if (command == "exam finished")
                {
                    break;
                }

                if (!command.Contains("banned"))
                {
                    string[] tokens = command.Split("-");

                    string username = tokens[0];
                    string examName = tokens[1];
                    int points = int.Parse(tokens[2]);

                    if (!userPoints.ContainsKey(username))
                    {
                        userPoints.Add(username, points);
                    }
                    else
                    {
                        if (points>userPoints[username])
                        {
                            userPoints[username] = points;
                        }
                    }

                    if (!examSubs.ContainsKey(examName))
                    {
                        examSubs.Add(examName, 1);
                    }
                    else
                    {
                        examSubs[examName] += 1;
                    }
                }
                else
                {
                    string[] tokens = command.Split("-");

                    string username = tokens[0];

                    if (userPoints.ContainsKey(username))
                    {
                        userPoints.Remove(username);
                    }
                }
            }

            Console.WriteLine("Results:");

            foreach (var kvp in userPoints.OrderByDescending(x=>x.Value).ThenBy(x=>x.Key))
            {
                string username = kvp.Key;
                int points = kvp.Value;

                Console.WriteLine($"{username} | {points}");
            }

            Console.WriteLine("Submissions:");

            foreach (var kvp in examSubs.OrderByDescending(x=>x.Value).ThenBy(x=>x.Key))
            {
                string language = kvp.Key;
                int submissionsCount = kvp.Value;

                Console.WriteLine($"{language} - {submissionsCount}");
            }
        }
    }
}