public NetworkGraph(int nodeNumber)
{
emptyIndex = 0;
edges = RectangularArrays.GetRectangularIntArray(nodeNumber, nodeNumber);
map = new Dictionary <string, int>();
emptyNodes = new LinkedList <int>();
for (int i = 0; i < nodeNumber; i++)
{
for (int j = 0; j < nodeNumber; j++)
{
edges[i][j] = 0;
}
}
}
