Question: Let G = (V, E) be a directed acyclic graph, and let X : V R specify numbers on the vertices of G. Design a

Let G = (V, E) be a directed acyclic graph, and let X : V R specify numbers on the vertices of G. Design a polynomial time algorithm to compute the longest directed path with increasing sequence of numbers on its vertices. Show that this problem is a generalization of the increasing subsequence problem.

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