Question: Question 4 : We are given a directed graph G ( V , E ) with vertices { 1 , 2 dots, n } ,

Question 4: We are given a directed graph G(V,E) with vertices {1,2dots,n}, rep-
resented by an nn matrix A so that A[i,j]=1 if there is an edge from j to i in E.
Give an algorithm that checks if there is a vertex v so that for every uv,u|vinE.
show all steps and runtime
Question 4 : We are given a directed graph G ( V

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