#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;

int main() {
	std::vector<float> vArray;

	std::vector<float> f0 = { 1.f, 2.f, 3.f };
	std::copy(f0.begin(), f0.end(), std::back_inserter(vArray));
	std::vector<float> f1 = { 4.f, 5.f, 6.f };
	std::copy(f1.begin(), f1.end(), std::back_inserter(vArray));
	std::vector<float> f2 = { 7.f, 8.f, 9.f };
	std::copy(f2.begin(), f2.end(), std::back_inserter(vArray));
	std::vector<float> f3 = { .1f, .2f, .3f };
	std::copy(f3.begin(), f3.end(), std::back_inserter(vArray));

	std::copy(vArray.begin(), vArray.end(),
	std::ostream_iterator<float>(cout, "\n"));
}