public void Kruskal()
{
int i;
Queue Q = new Queue(this.m);
DSStruct Z = new DSStruct(this.n);
Result = new AdjacencyList(n);
for (i = 0; i < n; i++)
{
Z.MakeSet(i); //tworz eosobny zbior dla kazdego wierzcholka
}
//umieszczam w kolejce kolejne krawedzie grafu
/*for (i = 0; i < m; i++)
* {
* Q.Push(edges[i]);
* }*/
for (i = 0; i < n; i++)
{
for (p = getAList(i); p != null; p = p.next)
{
e.v1 = i;
e.v2 = p.v;
e.weight = p.weight;
Q.Push(e);
}
}
for (i = 1; i < n; i++)
{
do
{
e = Q.front();
Q.Pop();
} while ((Z.FindSet(e.v1) == Z.FindSet(e.v2)));
Result.addEdge(e);
Z.UnionSets(e);
}
}
public void Prim()
{
int i, v;
Queue Q = new Queue(this.m);
Result = new AdjacencyList(n);
bool[] visited = new bool[n];
for (i = 0; i < n; i++)
{
visited[i] = false;
}
v = 0; //wierzcholek startowy
visited[v] = true; //odwiedzony wierzcholek startowy
for (i = 1; i < n; i++)
{
for (p = getAListU(v); p != null; p = p.next)
{
if (!visited[p.v])
{
e.v1 = v;
e.v2 = p.v;
e.weight = p.weight;
Q.Push(e);
}
}
do
{
e = Q.front();
Q.Pop();
} while (visited[e.v2]);
Result.addEdge(e);
visited[e.v2] = true;
v = e.v2;
}
}
static void Main(string[] args)
{
string opt;
string fileName;
int v;
int g;
AdjacencyList AdjacencyList = new AdjacencyList();
AdjacencyMatrix AdjacencyMatrix = new AdjacencyMatrix();
do
{
Console.WriteLine("1. Wczytaj z pliku");
Console.WriteLine("2. Wygeneruj graf");
Console.WriteLine("3. Wyświetl");
Console.WriteLine("4. Algorytm Prima");
Console.WriteLine("5. Algorytm Kruskala");
Console.WriteLine("6. Algorytm Dijkstry");
Console.WriteLine("7. Algorytm Bellmana-Forda");
Console.WriteLine("0. Wyjdź");
opt = Convert.ToString(Console.ReadLine());
switch (opt)
{
case "1":
Console.Write("Podaj nazwę pliku: ");
fileName = Console.ReadLine();
AdjacencyList.LoadFromFile(fileName);
AdjacencyMatrix.LoadFromFile(fileName);
AdjacencyList.ShowList();
AdjacencyMatrix.ShowMatrix();
break;
case "2":
Console.WriteLine("Podaj liczbę wierzchołków: ");
v = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Podaj gęstość: ");
g = Convert.ToInt32(Console.ReadLine());
AdjacencyList.GenerateRandomGraph(v, g);
AdjacencyList.ShowList();
AdjacencyMatrix.GenerateRandomGraph(v, g);
AdjacencyMatrix.ShowMatrix();
break;
case "3":
AdjacencyList.ShowList();
AdjacencyMatrix.ShowMatrix();
break;
case "4":
AdjacencyList.Prim();
AdjacencyMatrix.Prim();
AdjacencyList.ShowMST();
AdjacencyMatrix.ShowMST();
break;
case "5":
AdjacencyList.Kruskal();
AdjacencyMatrix.Kruskal();
AdjacencyList.ShowMST();
AdjacencyMatrix.ShowMST();
break;
case "6":
AdjacencyList.Dijkstra();
AdjacencyMatrix.Dijkstra();
AdjacencyList.ShowShortestPaths();
AdjacencyMatrix.ShowShortestPaths();
break;
case "7":
AdjacencyList.BellmanFord();
AdjacencyMatrix.BellmanFord();
AdjacencyList.ShowShortestPaths();
AdjacencyMatrix.ShowShortestPaths();
break;
}
} while (opt != "0");
}
