To implement Dijkstra’s shortest path algorithm on unweighted graphs so that it runs in linear time, what is the data structure to be used?

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To implement Dijkstra’s shortest path algorithm on unweighted graphs so that it runs in linear time, what is the data structure to be used?

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To implement Dijkstra’s shortest path algorithm on unweighted graphs so that it runs in linear time, what is the data structure to be used?

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