Professor Gaedel has written a program that he claims implements Dijkstras algorithm. The program produces .d and
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Professor Gaedel has written a program that he claims implements Dijkstra’s algorithm. The program produces ν.d and ν.π for each vertex ν ∈ V. Give an O(V + E)-time algorithm to check the output of the professor’s program. It should determine whether the d and π attributes match those of some shortest-paths tree. You may assume that all edge weights are nonnegative.
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1 Verify that sd 0 and s NIL 2 Verify that d w for all s 3 Verify that d if ...View the full answer
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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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