import java.util.ArrayList;

public class Race {

Car winner = null;

ArrayList<Car> cars = new ArrayList<>();

private int calcDistance(Car car, int hours) {

return car.speed * hours;

}

public void Registration(Car car) {

cars.add(car);

}

public void Start(int raceHours) {

winner = null;

for (int i = 0; i < cars.size(); i++) {

Car car = cars.get(i);

if (winner == null) {

winner = car;

} else {

if (calcDistance(car, raceHours) > calcDistance(winner, raceHours)) {

winner = car;

}

}

}

}

public Car getWinner() {

return winner;

}

}