#include <iostream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <numeric>

using namespace std;

class wypisanie
{
	int help;
public:
	wypisanie() : help(0) {};
	void operator()(const double x)
	{
		cout << ++help << " = " << x << endl;
		return;
	}
};

class sumowanie
{
public:
	vector<double> operator()(vector<double> a, vector<double> b)
	{
		vector<double> zwrot;
		for (vector<double>::iterator aa = a.begin(), bb = b.begin(); aa != a.end(); ++aa, ++bb)
		{
			int cc = *aa + *bb;
			zwrot.push_back(cc);

		}
		return zwrot;
	}
};

int main()
{
	srand(time(NULL));
	vector<double> A(3), B(3);
	vector<vector<double>> AB(10), BA(10);

	for (int i = 0; i < 10; ++i)
	{
		for_each(A.begin(), A.end(), [](double &a) {a = rand() % 10; });
		AB.push_back(A);
		for_each(B.begin(), B.end(), [](double &a) {a = rand() % 10; });
		BA.push_back(B);
	}

	//cout << "Pierwsza chmura: " << endl;
	//for_each(AB.begin(), AB.end(), [](vector<double> xx) {for_each(xx.begin(), xx.end(), wypisanie());});

	//cout << "Druga chmura: " << endl;
	//for_each(BA.begin(), BA.end(), [](vector<double> xx) {for_each(xx.begin(), xx.end(), wypisanie());});

	vector<double> centroidA(3), centroidB(3);
	centroidA = accumulate(AB.begin(), AB.end(), centroidA, sumowanie());
	centroidB = accumulate(BA.begin(), BA.end(), centroidB, sumowanie());

	cout << endl << endl;
	for_each(centroidA.begin(), centroidA.end(), wypisanie());

	return 0;
}