Question: Give a linear time (0(VI + IE)) algorithm which takes as nput a directed graph G-(V E) and determines whether or not there is a

Give a linear time (0(VI + IE)) algorithm which takes as

Give a linear time (0(VI + IE)) algorithm which takes as nput a directed graph G-(V E) and determines whether or not there is a vertex s E V from which all other vertices are reachable

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