Exam-style question
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Which representation uses a two-dimensional table in which rows and columns represent vertices?.
- A.An adjacency matrix
- B.An adjacency list
- C.A weighted vertex
- D.A directed node
Model answer
What a good answer should say
- An adjacency matrix
Explanation
Why this works
An adjacency matrix uses rows and columns for vertices. An entry indicates whether a connection exists, and may hold a weight when appropriate.
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