Question: 2, let G = (V,E) be a directed graph. A vertice u is called a mother vertice provided that all vertices can be reached from

2, let G = (V,E) be a directed graph. A vertice

u is called a mother vertice provided that all vertices can be

2, let G = (V,E) be a directed graph. A vertice u is called a mother vertice provided that all vertices can be reached from u. Find an optimal-running time algorithm that determines if there is a mother vertice. What is the running time? Suppose there is a mother vertice, how can you determine the number of mother vertices? What is its running time

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