一些cpp文件问题

一些cpp教学文件及经典问题介绍Thereare7programmingquestionsintheprogrammingpracticeset(I),asattached.Everystudentisrequiredtofinishatleast5ofthese7questions.Astudenthasthefreedomtochoosethe5questionsbyhis/herself.Ifastudentcanfinishextraquestions,he/shewillhavebonusscores.