C++作业4.21

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#include<iostream>using namespace std;class student{public:student(int nu,string a,double s){num=nu;name=a;score=s;}void show1(){cout<<"学号："<<num<<endl;//cout<<"姓名："<<name<<endl;            cout<<"成绩："<<score<<endl;}    void showdata(){sum+=score;n++;int p;p=sum/n;cout<<"学生人数："<<n<<endl;cout<<"平均成绩："<<p<<endl;}private:int num;string name;double score;static int n;static double sum;};    int student::n=0;double student::sum=0.0;int main(){student stu[6]={student(101,"chen",1),student(102,"zhuo",2),student(103,"bin",3),                student(104,"jia",4),student(105,"you",5),student(106,"a",6)};student *b=stu;for(int i=0;i<6;i++){b[i].show1();b[i].showdata();}return 0;}

运行结果：

这里我有个不明白的地方，为什么这里的姓名这一行加上去就会出现错误呢？

错误显示如图：

麻烦老师帮忙解答一下？

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