#include <iostream>
#include <string>
#include <fstream>
#include <sstream>

using namespace std;

class Student {

	string name;
	string surname;
	int height;
	double weight;
public:
	Student() {
		name = "ImieDomyslne";
		surname = "NazwiskoDomyslne";
		height = 170;
		weight = 85.5;
	}

	Student(string _name, string _surname, int _height, double _weight) {
		name = _name;
		surname = _surname;
		height = _height;
		weight = _weight;
	}

	string to_string(int x) {
		ostringstream ss;
		ss << x;
		return ss.str();;
	}

	string toString() {
		return name + " " + surname + " " + Student::to_string(height) + " " + Student::to_string(weight);
	}

	int compareTo(Student &student) {
		int val = height - student.height;
		if (val == 0)
			val = weight - student.weight;

		return val;
	}
};

int main()
{
	Student tabOfStudents[35];
	string name;
	string surname;
	int height;
	double wage;
	cout << "Podaj dane studentów w kolejnosci :  imie  nazwisko  wzrost  waga" << endl;
	for (int i = 0; i < 35; i++)
	{
		cin >> name >> surname >> height >> wage;
		tabOfStudents[i] = Student(name, surname, height, wage);
	}

	for (int i = 0; i < 35; i++)
		for (int j = i; j < 35; j++)
			if (tabOfStudents[i].compareTo(tabOfStudents[j]) < 0)
				swap(tabOfStudents[i], tabOfStudents[j]);

	for (int i = 0; i < 3; i++)
		cout << tabOfStudents[i].toString() << endl;

	cout << "Chcesz zapisać do pliku ? (TAK - tak, cokolwiek innego - nie" << endl;
	cin >> name;
	if (name == "Tak" || name == "TAK" || name == "tak")
	{
		fstream plik;
		plik.open("studenci.txt", std::ios::in | std::ios::out);
		if (plik.good() == true)
		{
			for (int i = 0; i < 35; i++)
				plik << tabOfStudents[i].toString() << endl;;
			plik.close();
			cout << "Zapisano dane do pliku" << endl;
		}
		else std::cout << "Dostep do pliku zostal zabroniony!" << std::endl;
	}
	else {
		cout << "Nie zapisano do pliku na prosbe uzytkownika" << endl;
	}

	return 0;
}