The question is Calculate the maximum number of edges in a simple graph with nnodes and k components.
I dont really understand what the question means .. and how to solve this..
Thanks...
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The question is Calculate the maximum number of edges in a simple graph with nnodes and k components.
I dont really understand what the question means .. and how to solve this..
Thanks...
A component is a maximally connected subgraph of a graph.
You need to check your text material. Some authors allow degenerate components, one vertex, most do not.
Here is an example: Consider a twelve vertex graph with three components having three, four and five vertices.
Then the graph could be $\displaystyle K_3\cup K_4\cup K_5$.
That is a maximum of $\displaystyle 3+6+10=19$ edges in all.
That said, I don't know how to solve the general case.