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CSc 220: Algorithms omework 9 lass on Thursday November 30 Return the homework written on sheet. Please staple multiple sheet sheet(s) of paper with your
CSc 220: Algorithms omework 9 lass on Thursday November 30 Return the homework written on sheet. Please staple multiple sheet sheet(s) of paper with your name and CSe220 written at the top of each that collaboration is allowed, but that you must knowledge all collaborators and all sources (other than the s together. Remember write the solution on your own. Also you must ac textbook) in your solutions, Each problem is worth 10 points. Problem 1: You are given as input a (directed, weichted) graph G and one of his minimum spanning trees T. Show how to update the MST if a new vertex with some adjacent elges are added to G. Analyze the Problem 2: What happens when you run Johnson's algorithm on a graph that has all positive wwights on time of your algorithm. Better credit will be given to faster algorithms its edges? What are the values of the functions h(v) and fe) for any node e and edge e? Problem 3: As described in the book and in class, the Floyd-Warshall algorithm requires O(n) space since ity stores the matrices dt, for all i.j.k e [1..). Show a way to reduce the space requirement of the algorithm o O(n2). ottra credit
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