day2:c++

#include 

using namespace std;
struct stu
{
private:
    int age;
    string sex;
    int tall;
public:
    double score;
    void set(int a,string s,int t);
    int get_age();
    string get_sex();
    int get_tall();
};

void stu::set(int a,string s,int t)
{
    age=a;
    sex=s;
    tall=t;
}
int stu::get_age()
{
    return age;
}
string stu::get_sex()
{
    return sex;
}
int stu::get_tall()
{
    return tall;
}
int main()
{
    stu s1;
    s1.set(19,"男",176);
    s1.score=100;
    cout<<"age="<