CS 316: Algorithms Lecture 7 - Graph Representation and Search
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Questions and Answers

What is the degree of a node in a graph?

  • The number of edges incident on a node (correct)
  • The number of nodes in the graph
  • The number of nodes adjacent to a node
  • The number of edges in the graph

What is the in-degree of a node in a digraph if there are 3 edges entering the node?

  • 2
  • 3 (correct)
  • 1
  • 4

What is the degree of node 2 in the graph given?

  • 2
  • 3 (correct)
  • 4
  • 5

What is a weighted graph?

<p>A graph with edges labeled with numeric values (B)</p> Signup and view all the answers

What is a characteristic of a dense graph?

<p>The number of edges is approximately equal to the square of the number of nodes (B)</p> Signup and view all the answers

What is a characteristic of an undirected graph?

<p>Edge (u, v) is equal to edge (v, u) (D)</p> Signup and view all the answers

What is the out-degree of node 3 in the digraph given?

<p>1 (C)</p> Signup and view all the answers

What is the degree of node 1 in the graph given?

<p>2 (A)</p> Signup and view all the answers

What is a characteristic of a sparse graph?

<p>The number of edges is smaller than the number of nodes (A)</p> Signup and view all the answers

What is a characteristic of a directed graph?

<p>Edge (u, v) is an edge from node u to node v (B)</p> Signup and view all the answers

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