Question: Suppose that instead of a linked list, each array entry Adj[u] is a hash table containing the vertices for which (u, ) E.

Suppose that instead of a linked list, each array entry Adj[u] is a hash table containing the vertices ν for which (u, ν) ∈ E. If all edge lookups are equally likely, what is the expected time to determine whether an edge is in the graph? What disadvantages does this scheme have? Suggest an alternate data structure for each edge list that solves these problems. Does your alternative have disadvantages compared to the hash table?

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