Given a set of cities, the central point is the city that has the short- est total distance to all other cities. Write a program that prompts the user to enter the number of cities and the locations...

Given a set of cities, the central point is the city that has the short- est total distance to all other cities. Write a program that prompts the user to enter the number of cities and the locations of the cities (coordinates), and finds the central city and its total distance to all other cities. Assume that the maximum number of cities is 20.