In c++ please if you could include comments that would be appreciated :)

13. Days Out Write a program that calculates the average number of days a company's emplover absent. The program should have the following functions: A function called by main that asks the user for the number of employees in t company. This value should be returned as an int. (The function accepts no arg ments.) . A function called by main that accepts one argument: the number of employees n the company. The function should ask the user to enter the number of days each employee missed during the past year. The total of these days should be returned a an int. . A function called by main that takes two arguments: the number of employees in the company and the total number of days absent for all employees during the yeat The function should return, as a double, the average number of days absent. (Ths function does not perform screen output and does not ask the user for input.) Input Validation: Do not accept a mumber less than 1 for the nunber of employes. D not accept a negative number for the days any employee missed