Untitled

#include <iostream>
#include <iomanip>
#include <string>
using namespace std;

struct HOCSINH{

    string ten;
    float trungBinh;
};

struct LOPHOC{

    string ten;
    int siSo;
    HOCSINH* ds;
};

int main(){

    string buffer = "";
    getline(cin, buffer);
    int n = stoi(buffer);

    LOPHOC* lop = new LOPHOC[n];

    for (int i = 0; i < n; i++){
        getline(cin, buffer);
        lop[i].ten = buffer;
        getline(cin, buffer);
        lop[i].siSo = stoi(buffer);

        lop[i].ds = new HOCSINH[lop[i].siSo];

        for (int j = 0; j < lop[i].siSo; j++){
            getline(cin, lop[i].ds[j].ten);
            getline(cin, buffer);
            lop[i].ds[j].trungBinh = stof(buffer);
        }
    }

    for (int i = 0; i < n; i++){
        cout << lop[i].ten << '\n';
        for (int j = 0; j < lop[i].siSo; j++){
            cout << lop[i].ds[j].ten << '\n';
        }
    }

    cout << '\n';

    int dongNhat = 0;
    for (int i = 0; i < n; i++){
        if (lop[i].siSo > lop[dongNhat].siSo){
            dongNhat = i;
        }
    }
    cout << lop[dongNhat].ten << '\n';

    string ten = "";
    float tb = 0;

    for (int i = 0; i < n; i++){
        for (int j = 0; j < lop[i].siSo; j++){
            if (tb < lop[i].ds[j].trungBinh){
                tb = lop[i].ds[j].trungBinh;
                ten = lop[i].ds[j].ten;
            }
        }
    }

    cout << ten;
    return 0;
}