c++ 10个学生 三门课成绩(语 数 外) 1每个学生总成绩 2每门课平均成绩 3每个学生

#include
using namespace std;
class student
{
public:
int yw;
int sx;
int yy;
};
int cal(int x,int y,int z)
{
return x+y+z;
}
int main()
{
student data[10];
int t1=0,t2=0,t3=0;
for(int i=0;i<10;i++)
{
cout<<"输入data["< cin>>data[i].yw;
cin>>data[i].sx;
cin>>data[i].yy;
}
for(int j=0;j<10;j++)
{

t1+=data[j].yw;
t2+=data[j].sx;
t3+=data[j].yy;
}
int avg1=t1/10;
int avg2=t2/10;
int avg3=t3/10;
for(int k=0;k<10;k++)
{
cout<<"学生"< cout< }
cout<<"语文的平均成绩为："< cout<<"数学的平均成绩为："< cout<<"英语的平均成绩为："< return 0;
}

#include
#include
#include
#include
using namespace std;
struct student{
string name;
float math;
float english;
float chinese;
float sum;
};
void join(vector&vec){

string name;
float math;
float english;
float chinese;
for(int i=1;i<=10;i++){
system("cls");
cout<<"第"< cin>>name;
cout<<"数学成绩是：";
cin>>math;
cout<<"外语成绩是：";
cin>>english;
cout<<"语文成绩是：";
cin>>chinese;
student stu={name,math,english,chinese,math+english+chinese};
vec.push_back(stu);
}
}
void sum(vector&vec){
system("cls");
for(auto c:vec)
cout<}
void print(vector&vec){
system("cls");
cout<<"所有的信息已经打印在与主程序同一个文件夹的student.txt文档中..."< ofstream outenter("student.txt");
outenter.clear();
ofstream out("student.txt",ofstream::app);
out<<"名字"<<" ""数学"<<" "<<"英语"<<" "<<"语文"<<" "<<"总成绩"<<" "<
for(auto c:vec){
out<}
int main(){
vectorvec;
char c;
join(vec);
sum(vec);
cout<<"输入任意字符并按Enter键即可保存信息并退出"<cin>>c;
print(vec);
return 0;
}