Given an adjacency-list representation of a multi-graph G = (V, E), describe an O(V + E)-time algorithm
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Given an adjacency-list representation of a multi-graph G = (V, E), describe an O(V + E)-time algorithm to compute the adjacency-list representation of the "equivalent" undirected graph G′ = (V, E′), where E′ consists of the edges in E with all multiple edges between two vertices replaced by a single edge and with all self-loops removed.
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Dudhat Vaidehi
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Related Book For 
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
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