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Question

Assuming value of every weight to be greater than 10, in which of the following cases the shortest path of a directed weighted graph from 2 vertices u and v will never change?

a.

add all values by 10

b.

subtract 10 from all the values

c.

multiply all values by 10

d.

in both the cases of multiplying and adding by 10

Answer: (c).multiply all values by 10

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Q. Assuming value of every weight to be greater than 10, in which of the following cases the shortest path of a directed weighted graph from 2 vertices u and v will never change?

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