// lab6.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
#include <iterator>
#include <numeric>
#include <chrono>

int main()
{
	std::default_random_engine gen(0);
	std::binomial_distribution<int> dist(100, 0.1);
	std::chrono::high_resolution_clock timer;
	for (int i = 1; i < 13; i++)
	{
		auto start = timer.now();
		int N = i;
		std::vector<int> per(N);
		std::iota(per.begin(), per.end(), 0);
		int ilosc = 0;
		//std::ostream_iterator<float> out_it(std::cout, ", ");
		do {
			//std::copy(per.begin(), per.end(), out_it);
			ilosc++;
		} while (std::next_permutation(per.begin(), per.end()));
		auto end = timer.now();
		auto nsecs = std::chrono::duration_cast<std::chrono::milliseconds>  (end - start).count();
		std::cout << "N = " << N << " Czas: " << nsecs << "ms \n";
	}


	return 0;
}