Let $G$ be a DAG with $n$ vertices.         \begin{enumerate}             \item How many strongly connected components are there in $G$? Justify your answer.             \item We add a directed edge from every sink of $G$ to every source of $G$. Let $G'$ be the resulting digraph. How many strongly connected components are there in $G'$? Justify your answer.         \end{enumerate}

Q: (i) . graph? What is the value of the maximum flow from vertex 1 to vertex 8 in the following What…

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Q: Н 8

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Q: refer attach graph..  Give me write one else downvote

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A: Here's an example implementation in Java:

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A:

Q: the following is not a walk from vertex x to vertex z for the undirected graph

A: Not a walk from vertex x to vertex z for the undirected graph

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A: ANSWER:-

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A:

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Depth First Search

Depth-first search (DFS) also known as Depth First traversal is an algorithm used to traverse or search the nodes in a tree or graph data structure. Traversal usually means visiting all the nodes of a graph. DFS performs in a depth-ward manner. It uses a stack to remember the vertices it has visited. The search starts from the root node, where any arbitrary node is selected as a root node in a graph, and then each node is explored along each branch before performing backtracking. The DFS algorithm uses a recursive technique by following the idea of backtracking. DFS algorithm does this by performing an in-depth search of all the nodes by traversing in a forward direction. If the required node is not found, it starts backtracking to previously visited nodes.