Anetwork has n subscribers. each subscriber is connected directly to all other subscribers.
(a) what is the total number of lineslin the network? (b) what is the value oflforn= 2, 10, 100, and 1,000? (c) how many lines must be built to each subscriber? (d) is this kind of network structure suitable for a public telecommunications network? explain.

Write a program that uses a two-dimensional array to store the highest and lowest temperatures for each month of the year. the program should output the average high, average low, and the highest and lowest temper- atures for the year. your program must consist of the following functions: a. function getdata: this function reads and stores data in the two- dimensional array. b. function averagehigh: this function calculates and returns the average high temperature for the year. c. function averagelow: this function calculates and returns the aver- age low temperature for the year. d. function indexhightemp: this function returns the index of the highest high temperature in the array. e. function indexlowtemp: this function retur