WriteaC++programthatpromptsforanumberofrowsfromtheuserandthenprintsanhourglassofthatnumberofrows.

Yourhourglassmustabuttheleftmargin.Youmayuseonlythesinglecharacters''(space),'*'(asteriskorstar),andendlor'n'(newline)foryourhourglass.Youmaynotuseanyiomanipformattingcommandslikesetw()forthisprogram.

Yourhourglassmusthavebetween3and23rows,inclusive.Youmustforceareasonableinputfromtheuserfornumberofrows(donotlettheusergetpastthenumberofrowspromptunlesstheyenterareasonablevalue).Thenumberofrowsmustbeodd,soiftheuserentersanevennumber,addonetothenumberofrows.

YouMUSTusethealgorithmwediscussinclass.Particularly,youmustcalculatethenumberofspacesandstarsinthecurrentrowinoneplace,notspreadoutamongotherpartsofthecode.Donotjustfigureoutthenumberofspacesandstarsonthefirstrowbeforeprintingtherows,thenadjustthemupordownasyouprintrows.Workouthowtocalculatethesevaluesforeachrowgivenjustthecurrentrownumberandthetotalnumberofrows.Iwillgivehintsabouthowtodothisinclass.

Forexample,iftheuserenterseither6or7forthenumberofrows,printthefollowing:(50points):