Computer scienceAlgorithms and Data StructuresData structuresGraphsGraphs: basics

Graphs: basic terminology

Theory

Friends follow each other

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There are eight friends: Alice, Bob, Cecil, Donna, Edward, Flora, George, and Harry. Each of them has an account on Twitter. Alice follows Bob, Flora, Cecil and Donna. Bob follows Alice, George and Harry. Cecil follows Donna, Flora and George. Donna follows Edward, Alice, George and Harry. Flora follows everyone. Which of the graphs below describes the following relationship between these friends?

a:

Directed graph (a)

b:

Directed graph (b)

c:

Directed graph (c)

d:

Directed graph (d)

Select one option from the list
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