static void Main()
{
string[] input = Console.ReadLine().Split(" ");
List <Vlogger> vLogger = new List <Vlogger>();
HashSet <string> existedVlogers = new HashSet <string>();
while (input[0] != "Statistics")
{
if (input[1] == "joined")
{
if (!existedVlogers.Contains(input[0])) // doesn't exist
{
Vlogger currentVloger = new Vlogger();
currentVloger.Name = input[0];
currentVloger.Followers = new List <string>();
currentVloger.Following = new List <string>();
vLogger.Add(currentVloger);
existedVlogers.Add(input[0]);
}
}
else if (input[1] == "followed")
{
if ((input[0] != input[2]) && (existedVlogers.Contains(input[0]) && existedVlogers.Contains(input[2])))
{
// Vlogger currentVloger = new Vlogger();
int index = FindVloger(vLogger, input[2]);
if (!vLogger[index].Followers.Contains(input[0]))
{
vLogger[index].Followers.Add(input[0]);
index = FindVloger(vLogger, input[0]);
vLogger[index].Following.Add(input[2]);
}
}
}
input = Console.ReadLine().Split(" ");
}
vLogger = vLogger.OrderByDescending(x => x.Followers.Count).ThenBy(x => x.Following.Count).ToList();
Console.WriteLine($"The V-Logger has a total of {vLogger.Count} vloggers in its logs.");
Console.WriteLine($"1. {vLogger[0].Name} : {vLogger[0].Followers.Count} followers, " +
$"{vLogger[0].Following.Count} following");
vLogger[0].Followers.Sort();
for (int i = 0; i < vLogger[0].Followers.Count; i++)
{
Console.WriteLine($"* {vLogger[0].Followers[i]}");
}
for (int i = 1; i < vLogger.Count; i++)
{
Console.WriteLine($"{i+1}. {vLogger[i].Name} : {vLogger[i].Followers.Count} followers, " +
$"{vLogger[i].Following.Count} following");
}
}
static void Main()
{
List <Vlogger> records = new List <Vlogger>();
string inputCommand = Console.ReadLine();
while (inputCommand != "Statistics")
{
string[] commandInfo = inputCommand
.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.ToArray();
if (commandInfo.Length == 4)
{
string vloggerName = commandInfo[0];
if (!records.Any(x => x.Name == vloggerName))
{
Vlogger user = new Vlogger(vloggerName);
records.Add(user);
}
}
else
{
string followerName = commandInfo[0];
string followingName = commandInfo[2];
var follower = records.FirstOrDefault(x => x.Name == followerName);
var following = records.FirstOrDefault(x => x.Name == followingName);
if (follower != null && following != null && follower != following)
{
follower.Following.Add(followingName);
following.Followers.Add(followerName);
}
}
inputCommand = Console.ReadLine();
}
Console.WriteLine($"The V-Logger has a total of {records.Count} vloggers in its logs.");
PrintVloggers(records);
}
static void Main()
{
Dictionary <string, Vlogger> vloggers = new Dictionary <string, Vlogger>();
string input = Console.ReadLine();
while (input != "Statistics")
{
string[] tokens = input.Split();
string vloggerName = tokens[0];
string command = tokens[1];
if (command == "joined")
{
if (!vloggers.ContainsKey(vloggerName))
{
Vlogger vlogger = new Vlogger(vloggerName);
vloggers.Add(vloggerName, vlogger);
}
}
else
{
string vloggerFollowerName = tokens[2];
if (vloggers.ContainsKey(vloggerName) && vloggers.ContainsKey(vloggerFollowerName) && vloggerName != vloggerFollowerName)
{
vloggers[vloggerName].Following.Add(vloggerFollowerName);
vloggers[vloggerFollowerName].Followers.Add(vloggerName);
}
}
input = Console.ReadLine();
}
Console.WriteLine($"The V-Logger has a total of {vloggers.Count} vloggers in its logs.");
int count = 1;
foreach (var item in vloggers.OrderByDescending(v => v.Value.Followers.Count).ThenBy(v => v.Value.Following.Count))
{
Console.WriteLine($"{count}. {item.Key} : {item.Value.Followers.Count} followers, {item.Value.Following.Count} following");
if (count == 1)
{
foreach (var follower in item.Value.Followers.OrderBy(n => n))
{
Console.WriteLine($"* {follower}");
}
}
count++;
}
}
