int ReadAllLogs()
{
var logReader = new LogReader();
var linesSeen = 0;
foreach (var line in logReader)
{
var ip = line.GetIP();
linesSeen++;
}
return(linesSeen);
}
//////complejidad cuadratica
int CountUniqueIPs()
{
var logReader = new LogReader();
//var ipsSeen = new List<string>();
//El HashSet es un repositorio donde se guardan registros unicos.
var ipsSeen = new HashSet <string>();
foreach (var logLine in logReader) // 0(n)
{
var ip = logLine.GetIP();
if (!ipsSeen.Contains(ip)) // 0(n) contains List -> 0(1) constains HashSet
{
ipsSeen.Add(ip);
}
}
return(ipsSeen.Count);
}