public void Run()
{
Console.WriteLine("Choose file:"); // Prompt
Console.WriteLine("1 - tinyG.txt"); // Prompt
Console.WriteLine("2 - mediumG.txt"); // Prompt
//Console.WriteLine("3 - largeG.zip"); // Prompt
Console.WriteLine("or quit"); // Prompt
var fileNumber = Console.ReadLine();
var fieName = string.Empty;
switch (fileNumber)
{
case "1":
fieName = "tinyG.txt";
break;
case "2":
fieName = "mediumG.txt";
break;
//case "3":
// fieName = "largeG.zip";
// break;
case "quit":
return;
default:
return;
}
var @in = new In($"Files\\Graphs\\{fieName}");
var lines = !fieName.EndsWith("zip") ? @in.ReadAllLines() : @in.ReadAllLinesFromZip();
var lineIterator = 0;
var v = 0;
var e = 0;
var edges = new List <EdgeU>();
foreach (var line in lines)
{
if (lineIterator == 0)
{
v = Convert.ToInt32(line);
}
if (lineIterator == 1)
{
e = Convert.ToInt32(line);
}
if (lineIterator > 1)
{
var lineSplitted = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var ve = Convert.ToInt32(lineSplitted[0]);
var we = Convert.ToInt32(lineSplitted[1]);
var edge = new EdgeU(ve, we);
edges.Add(edge);
}
lineIterator++;
}
var graph = new Graph(v, e, edges);
if (fileNumber != "3")
{
Console.WriteLine(graph);
}
var finder = new Cycle(graph);
if (finder.HasCycle())
{
foreach (int vi in finder.CycleIterator())
{
Console.Write($"{vi} ");
}
Console.WriteLine();
}
else
{
Console.WriteLine("Graph is acyclic");
}
Console.ReadLine();
}