For the following graph, give the result of any one breadth-first traversal beginning at A, where...

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For the following graph, give the result of any one breadth-first traversal beginning at A, where the label of a vertex is pr

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Answer 1

Answer #1

In breadth first search, first visit all adjacent vertices of A.

If adjacent of A is traversed in order B and then D. Then first adjacent of D will be visited and then adjacent of D. Then adjacent of B's adjacent will be first visited and then adjacent of D's adjacent. This is how BFS(Breadth First Search) traversal is done.

BFS traversal is performed using Queue. First enqueue A and it's adjacent. Dequeuing of a vertex is done only when all it's adjacent vertex is done. A dequeue operation means that vertex is visited.

One of the possible BFS traversal is :

A B D C E F

Another possible BFS traversal is :

A D B C E F

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Answer 2

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