Question: 4. (20 pts) Let G (V, E) be a directed weighted graph of the US highway system, with edge weights being distances between different cities/intersections.

4. (20 pts) Let G (V, E) be a directed weighted graph of the US highway system, with edge weights being distances between

4. (20 pts) Let G (V, E) be a directed weighted graph of the US highway system, with edge weights being distances between different cities/intersections. Boulder and Denver are two vertices of G, and k >0 is a given integer. Assume that you will stop at every city/intersection you pass by. Design an algorithm to find the shortest path from Boulder to Denver that contains exactly k stops (excluding Boulder and Denver)

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