int ReadAllLogs()
{
var logReader = new LogReader();
var linesSeen = 0;
foreach (var line in logReader)
{
var ip = line.GetIP();
linesSeen++;
}
return(linesSeen);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
var ipsSeen = new HashSet <string>(); // Hashset guarda la numeracion de la estructura como registros unicos
foreach (var logLine in logReader) // O(N)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
var ipsSeen = new HashSet <string>();
foreach (var logLine in logReader)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
//modificamos la estructura de la variable
var ipsSeen = new HashSet <string>();
foreach (var logLine in logReader)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
// var ipsSeen = new List<string>(); hashset es una lista con registro unicos
var ipsSeen = new HashSet <string>();
foreach (var logLine in logReader)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
//var ipsSeen = new List<string>();
//HashSet : utiliza una tabla hash, por lo que las búsquedas son extremadamente rápidas.
var ipsSeen = new HashSet <String>();
foreach (var logLine in logReader)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}
int CountUniqueIPs()
{
var logReader = new LogReader();
DataStructureType dataStructureType = DataStructureType.List;
ICollection <string> ipsSeen = null;
switch (dataStructureType)
{
case DataStructureType.List: ipsSeen = new List <string>(); break;
case DataStructureType.HashSet: ipsSeen = new HashSet <string>(); break;
default: ipsSeen = new List <string>(); break;
}
foreach (var logLine in logReader)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip))
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}