作业记录: 问题描述与代码已上传github仓库object-oriented文件夹下 题目一览 Calculate a + b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less than four digits). Input Each input file contains on
The 1st classwork of the C++ program 题目: Create a program that asks for the radius of a circle and prints the area of that circle, using cin and cout. The whole program should be divided into two source files (.cpp). Hand in the source files and the