A vertex in an undirected graph is an articluation point iff removing it disconnects the graph. You have to find the number of articulation point in the given graph.Input Format
First line contains two integers V and E.Output Format
Each of next E line contains two integer u and v denoting an edge betwwen vertex u and v.
Print the number of articulation pointQuestion Video
1 <= number of vertices(V) <= 1000Sample Input
1 <= number of Edges(E) <= V*(V-1)/2;
5 5Sample Output
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