A particular county in a certain state of a far away country has 17 cities and...

A particular county in a certain state of a far away country has 17 cities and wants to build roads between them to connect them all, that is, there should be a paved path between any two cities. What is the minimum number of roads, each connecting two cities, to guarantee that all cities are connected? Be careful, wrong answers have negative weights.

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Colby Messinger answered 1 year ago

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