Question: 4 . 5 . Often there are multiple shortest paths between two nodes of a graph. Give a linear - time algorithm for the following

4.5. Often there are multiple shortest paths between two nodes of a graph. Give a linear-time algorithm for the following task.
Input: Undirected graph G=(V,E) with unit edge lengths; nodes u,vinV. Output: The number of distinct shortest paths from u to v.
4.5. Often there are multiple shortest paths between two nodes of

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