public static Graph CreateRandomGraph(int maxSize)
{
var size = GoodRandom.Next(maxSize) + 1;
var matrix = new bool[size, size];
for (var i = 0; i < size; i++)
{
for (var j = 0; j < i; j++)
{
if (GoodRandom.Bool())
{
matrix[i, j] = matrix[j, i] = true;
}
}
}
return(new Graph(matrix));
}
private void AddRandomEdges(int numberOfEdgesToAdd)
{
var possibleEdges = GetPossibleEdges();
if (possibleEdges.Count > 0)
{
for (var i = 0; i < numberOfEdgesToAdd; i++)
{
var edge = possibleEdges[GoodRandom.Next(possibleEdges.Count)];
AdjacencyMatrix[edge.from, edge.to] = 1;
AdjacencyMatrix[edge.to, edge.from] = 1;
possibleEdges.Remove(edge);
if (possibleEdges.Count <= 0)
{
break;
}
}
}
}
private void RemoveRandomEdges(int numberOfEdgesToRemove)
{
var edges = GetEdges();
if (edges.Count > 0)
{
for (var i = 0; i < numberOfEdgesToRemove; i++)
{
var edge = edges[GoodRandom.Next(edges.Count)];
AdjacencyMatrix[edge.from, edge.to] = 0;
AdjacencyMatrix[edge.to, edge.from] = 0;
edges.Remove(edge);
if (edges.Count <= 0)
{
break;
}
}
}
}