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struct Student{
std::string name;
int age;
};
void printStudent(const Student* students , std::siez_t len){
for(std::size_t i = 0 ; i < len ; ++i){
//如何判断(students+i)不为空
std::cout<<"第"<<i+1<<"个学生";
std::cout<<"姓名"<<(students+i)->name<<"年龄"<<(students+i)->age<<std::endl;
{
}
Student* class1Student = new Student[MAX_COUNT];
printStudent(class1Student,MAX_COUNT);