Question: Let G(V, E) be an directed graph, with positive weights given for its edges, and assume So, S,Sk S V be subsets of V. (that

Let G(V, E) be an directed graph, with positive weights given

Let G(V, E) be an directed graph, with positive weights given for its edges, and assume So, S,Sk S V be subsets of V. (that is, each S, might contain several vertices). Define (S,S,) = ze snins, (z, y), suggest an algorithm that computes (So, S) for every i, in time O(m log n). Assume that S,nS,- ) for every 1 i

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