Question: 1. Strongly Connected Directed Graph (25 pts) A directed graph is strongly connected if every vertex is reachable from every other vertex in the graph.

1. Strongly Connected Directed Graph (25 pts) A directed graph is

1. Strongly Connected Directed Graph (25 pts) A directed graph is strongly connected if every vertex is reachable from every other vertex in the graph. Note that reachablility is via a path that could have one or more edges.) You are given an adjacency linked lists representation of a directed graph. Complete the implementation below to tell if a directed graph is strongly connected. Do not worry about the efficiency of your implementation. You may add other helper methods (with full implementation) as needed. public class DirectedGraph ( class Edge t int vnum; // vertex number of neighbor Edge next; / pointer to next neighbor Edge (int v, Edge ptr) vnum-v; next-ptr) / number of vertices int ni Edge [] adjLists; / adjacency linked lists // define additional fields asnecessary // returns true if this graph is strongly connected, false otherwise public boolean isStronglyConnected) /7 COMPLETE THIS METHOD

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