Problem 2. Johnson's algorithm Suppose we do not want to create a new source vertex in G and instead pick any vertex of G as s. (a) Give an example of a graph G with a negative-weight cycle where this...

Problem 2. Johnson's algorithm<br>Suppose we do not want to create a new source vertex in G and instead pick any vertex of G as s.<br>(a) Give an example of a graph G with a negative-weight cycle where this algorithm fails.<br>(b) Give an example of a graph G without a negative-weight cycle where this algorithm fails.<br>

Extracted text: Problem 2. Johnson's algorithm Suppose we do not want to create a new source vertex in G and instead pick any vertex of G as s. (a) Give an example of a graph G with a negative-weight cycle where this algorithm fails. (b) Give an example of a graph G without a negative-weight cycle where this algorithm fails.

Jun 07, 2022

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Problem 2. Johnson's algorithm Suppose we do not want to create a new source vertex in G and instead pick any vertex of G as s. (a) Give an example of a graph G with a negative-weight cycle where this...

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