Answer:
For undirected graph n(n-1) for directed graph 
Explanation:
The maximum number of edges for a undirected graph is given by 
, where n is number of vertices
The maximum number of edges in directed graph is given by , where n is number of vertices
The maximum number of edges is greater in undirected graph than directed graph
Answer:
1. Using meaningful names for all variables and functions.
2. Use shorter blocks of codes wherever possible
Explanation:
Their code should be easy to read, this can be achieved by avoiding complex syntax, basically they should adopt the two methods stated in the answer
App that gives alerts of when trains enter your area
Well start off explaining what the new developments in telescopes are and go from there. Here's an example: Telescopes are evolving with new developments lets talk about them.
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