#include <iostream>
using namespace std;

int n;
float dtb;
class sinhvien
{
    private:
        char hoten[20];
        int namsinh;
        float toan,ly,hoa,anh,van,sinh,su,dia,tin;
    public:
        void nhap();
        void xuat();
        float tinh();
        void xet(int *t);
};

void sinhvien::nhap()
{
    cout<<"nhap ho ten sinh vien: ";
    cin.ignore();
    cin.get(hoten,20);
    cout<<"nhap nam sinh: ";
    cin>>namsinh;
    cout<<"nhap diem toan: ";
    cin>>toan;
    cout<<"nhap diem ly: ";
    cin>>ly;
    cout<<"nhap diem hoa: ";
    cin>>hoa;
    cout<<"nhap diem anh: ";
    cin>>anh;
    cout<<"nhap diem van: ";
    cin>>van;
    cout<<"nhap diem sinh: ";
    cin>>sinh;
    cout<<"nhap diem su: ";
    cin>>su;
    cout<<"nhap diem dia: ";
    cin>>dia;
    cout<<"nhap diem tin: ";
    cin>>tin;
}

void sinhvien::xuat()
{
    cout<<"Ho ten sinh vien: "<<hoten<<endl;
    cout<<"Nam sinh: "<<namsinh<<endl;
    cout<<"Diem toan: "<<toan<<endl;
    cout<<"Diem ly: "<<ly<<endl;
    cout<<"Diem hoa: "<<hoa<<endl;
    cout<<"Diem anh: "<<anh<<endl;
    cout<<"Diem van: "<<van<<endl;
    cout<<"Diem sinh: "<<sinh<<endl;
    cout<<"Diem su: "<<su<<endl;
    cout<<"Diem dia: "<<dia<<endl;
    cout<<"Diem tin: "<<tin<<endl;
}

float sinhvien::tinh()
{
    //float dtb;
    dtb=(toan+ly+hoa+anh+van+sinh+su+dia+tin)/9;
    return dtb;
}

void sinhvien::xet(int * thilai)
{
//  int dem;
    if(dtb>7&&toan>=5&&ly>=5&&hoa>=5&&anh>=5&&van>=5&&sinh>=5&&su>=5&&dia>=5&&tin>=5)
//  dem++;
//  cout<<dem;
    cout<<"LAM KHOA LUAN TOT NGHIEP!"<<endl;
    if(dtb<7&&dtb>5&&toan>=5&&ly>=5&&hoa>=5&&anh>=5&&van>=5&&sinh>=5&&su>=5&&dia>=5&&tin>=5)
    cout<<"THI TOT NGHIEP !"<<endl;
    if(dtb<5){
        *thilai +=1;
        cout<<"THI LAI!"<<endl;
    }
}

int main()
{
    int i,dem;
    int thilai;
    thilai = 0;
    cout<<"nhap so luong sinh vien: ";
    cin>>n;
    sinhvien sv[100];
    for(i=0;i<n;i++)
    {
        cout<<"nhap thong tin sinh vien thu "<<i+1<<endl;
        sv[i].nhap();
    }
    cout<<"THONG TIN SINH VIEN: "<<endl;
    for(i=0;i<n;i++)
    {
        cout<<"thong tin sinh vien thu "<<i+1<<endl;
        sv[i].xuat();
        cout<<"diem trung binh cua sinh vien: "<<sv[i].tinh()<<endl;
        sv[i].xet(&thilai);
    }
    cout<<"so sv thi lai: "<<thilai;
}