number of nodes in the graph
probability of existence of an edge
store both directions or only one direction
a random Erdos-Renyi Directed graph
number of nodes in the undirected graph
probability of existence of an edge, constant for each of (numNodes choose 2) edges
store both directions or only one direction
a random Erdos-Renyi undirected graph (a graph which only has mutual edges)
Probability of existence of an edge in a random E-R graph.
Some sample graphs for quick testing in tests.