#include <iostream>#include <iomanip>using namespace std;class Student{private:? ? string strname;? ? int nindex;? ? double ?score;public:? ? string getstrname()? ? {return strname;}? ? int getnindex()? ? {return nindex;}? ? double getscore()? ? {return score;}? ? void setstrname(string strnewname)? ? {strname=strnewname;}? ? void setnindex(int nnewindex)? ? {nindex=nnewindex;}? ? void setscore(double newscore)? ? {score=newscore;}};int main(){Student stu1,stu2;stu1.setstrname("張三");stu1.setnindex(100);stu1.setscore(90);stu2.setstrname("李四");stu2.setnindex(101);stu2.setscore(70);cout<<"學生成績"<<endl;cout<<left;cout<<setw(10)<<"學號"<<setw(10)<<"姓名"<<setw(10)<<"成績"<<endl;cout<<setw(10)<<stu1.getnindex(100)<<setw(10)<<stu1.getstrname("張三")<<setw(10)<<stu1.getscore(90)<<endl;cout<<setw(10)<<stu2.getnindex(101)<<setw(10)<<stu2.getstrname("李四")<<setw(10)<<stu2.getscore(70)<<endl;? ? return 0;}