public UsmerenGraf(UsmerenGraf g)
{
this.brojCvorova = g.brojCvorova;
this.CvoroviSusedi = g.CvoroviSusedi;
}
public Dictionary <int, int> Matching()
{
//prvo pravimo usemeren graf sa izvornim i krajnjim cvorom, pa pustamo Edmonds-Karpov algoritam
Dictionary <int, int> res = new Dictionary <int, int>(); //rezultujuce uparivanje
Dictionary <int, List <Tuple <int, double> > > listaSusedstva = new Dictionary <int, List <Tuple <int, double> > >(); //potrebno za kreiranje grafa
listaSusedstva.Add(1, new List <Tuple <int, double> >());
foreach (int i in L)
{
listaSusedstva[1].Add(new Tuple <int, double>(i + 1, 1));
listaSusedstva.Add(i + 1, new List <Tuple <int, double> >());
foreach (Tuple <int, double> t in CvoroviSusedi[i])
{
listaSusedstva[i + 1].Add(new Tuple <int, double>(t.Item1 + 1, 1));
}
}
foreach (int i in R)
{
listaSusedstva.Add(i + 1, new List <Tuple <int, double> >());
listaSusedstva[i + 1].Add(new Tuple <int, double>(brojCvorova + 2, 1));
}
listaSusedstva.Add(brojCvorova + 2, new List <Tuple <int, double> >());
UsmerenGraf g = new UsmerenGraf(brojCvorova + 2, listaSusedstva);
//graf je napravljen, sada dodeljujemo granama kapacitete i zovemo Edmonds-Karp
Dictionary <int, Dictionary <int, double> > listaKapaciteta = new Dictionary <int, Dictionary <int, double> >();
for (int i = 1; i <= brojCvorova + 2; i++)
{
listaKapaciteta.Add(i, new Dictionary <int, double>());
}
foreach (int i in listaSusedstva.Keys)
{
foreach (Tuple <int, double> t in listaSusedstva[i])
{
listaKapaciteta[i].Add(t.Item1, 1);
listaKapaciteta[t.Item1].Add(i, 1);
}
}
Dictionary <int, Dictionary <int, double> > m = new Dictionary <int, Dictionary <int, double> >();
double flow = g.EdmondsKarp(1, brojCvorova + 2, listaKapaciteta, out m);
foreach (int i in L)
{
foreach (Tuple <int, double> t in CvoroviSusedi[i])
{
if (m[i + 1][t.Item1 + 1] == 1)
{
res.Add(i, t.Item1); //za svaki cvor i, bice samo jedan ovakav cvor j
}
}
}
return(res);
}