Given a connect Directed Graph, find the minimum number of edge required to make every vertex reachable from each other, the condition given that you can only add edge u to v if there is an edge from v to u already exist.
Given a connect Directed Graph, find the minimum number of edge required to make every vertex reachable from each other, the condition given that you can only add edge u to v if there is an edge from v to u already exist.
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