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

using namespace std;

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

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

		return zwrot;
	}
};

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

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

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

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

	vector<int> centroidA(20) , centroidB(20);
	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;
}