Question: Suppose you are given an algorithm ( let ' s call it the XYZ Algorithm ) that is a 2 . 0 - approximation algorithm

Suppose you are given an algorithm

(

let

'

s call it the XYZ Algorithm

)

that is a

2.0 -

approximation algorithm for the Traveling Salesman Problem. Now suppose you use the XYZ Algorithm, for a given set of cities, and obtain a tour of length

300

miles. Based on this information, what is a good

(

.

.,

non

-

zero

)

lower bound on the optimal solution

(

.

.,

minimum distance

)

for this particular Traveling Salesman Problem? Why?

Suppose you are given an algorithm ( let ' s call

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