任务2源码：1#include<iostream>2#include<vector>3#include<string>4#include<algorithm>5#include<numeric>6#include<iomanip>78usingstd::vector;9usingstd::string;10usingstd::cin;

实验任务1：（略）实验任务2：代码：GradeCalc.hpp查看代码  #include<iostream>#include<vector>#include<string>#include<algorithm>#include<numeric>#include<iomanip>usingstd::vector;usingstd::string;usingstd::cin;using