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graphProperties6

Language/Type: C++ graphs graph properties

Consider the following crudely-drawn graph, and answer the following questions about it: 

    ____________
   /    8       \
  /  4       1   V   7
 A <---- B <---> C ----> D
 ^       ^       |       ^
1|      2|       |5      |
 |       |       |      1/
 V   2   V   3   V      /
 E <---> F <---- G ----/
Is the graph directed or undirected?
Is the graph weighted or unweighted?
Is the graph connected?
Is the graph cyclic?
What are the in-degree and out-degree of vertex A?
What are the in-degree and out-degree of vertex B?
What are the in-degree and out-degree of vertex C (as two integers, separated by spaces)??
What are the in-degree and out-degree of vertex D?
What are the in-degree and out-degree of vertex E?
What are the in-degree and out-degree of vertex F?
What are the in-degree and out-degree of vertex G?

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