Mag1str

string buffer;
	vector<string> words;

	cout << "Введите два предложения: " << endl;
	while (words.size() <= 1 && getline(cin, buffer, '\n'))
	{
		words.push_back(buffer);
	}

	if (words[1].length() >= 4 && words[1].length() >= 4) {
		words.push_back(string(words[0].substr(words[0].length() - 2, 2) + words[1].substr(0, 2)));
	}

	cout << endl << "Все предложения: " << endl;
	for (auto word : words) {
		std::cout << word << endl;;
	}

#include "stdafx.h"
#include <iostream>
#include "list"
#include <algorithm>
#include <sstream>
#include <string>
using namespace std;

class Car {
public:
	enum Type
	{
		Passenger,
		Cargo
	};
	int Price;
	string Model;
	Type TypeAuto;
	

	Car(int price, string model, Type type) {
		this->Model = model;
		this->Price = price;
		this->TypeAuto = type;
	}
	string ToString() {

		std::stringstream result;
		result << "Model: " << this->Model <<
			", Price: " << this->Price <<
			", Type: " << this->TypeAuto;
		return result.str();
	}
};

class FilterCars {
public:
	list<Car> Cars;
	int AveragePrice;
	FilterCars(list<Car> cars, int averagePrice) {
		this->Cars = cars;
		this->AveragePrice = averagePrice;
	}
};

void ShowCars(list<Car> cars) {
	for (auto  car : cars) {
		std::cout << car.ToString() << endl;;
	}
}

FilterCars AveragePriceByType(list<Car> cars, Car::Type type) {
	list<Car> selectCars;
	std::copy_if(cars.begin(), cars.end(), std::back_inserter(selectCars), [type](Car car) {
		return car.TypeAuto == type;
	});
	auto prices = 0;
	for (auto car : selectCars) {
		prices += car.Price;
	}
	auto average = prices / selectCars.size();
	return FilterCars(selectCars, average);
}



int main()
{
	setlocale(LC_ALL, "russian");

	auto cars = {
		Car(40000, "Tesla", Car::Type::Passenger),
		Car(34000, "Chevrolet", Car::Type::Passenger),
		Car(324000, "Mercedes ", Car::Type::Passenger),
		Car(114000, "Volvo ", Car::Type::Cargo),
		Car(222000, "BMW ", Car::Type::Cargo),
	};

	

	auto cargo = AveragePriceByType(cars, Car::Type::Cargo);
	auto passenger = AveragePriceByType(cars, Car::Type::Passenger);
	
	cout << "Вывод грузовых автомобилей: " << endl;
	ShowCars(cargo.Cars);
	cout << "Средняя цена грузовых автомобилей: " << cargo.AveragePrice << endl << endl;

	cout << "Вывод легковых автомобилей: " << endl;
	ShowCars(passenger.Cars);
	cout << "Средняя цена легковых автомобилей: " << passenger.AveragePrice << endl << endl;

	system("pause");


    return 0;
}