#include<iostream>
#include<vector>
#include<queue>
#include<thread>
#include<random>
#include<mutex>
#include<condition_variable>

using namespace std;

int state = 0;
condition_variable cv;
mutex cv_mtx;

double read_sensor(int id) {
	static thread_local std::mt19937 generator(id);
	std::uniform_int_distribution<int> sleep_distribution(100, (id + 1) * 1000);
	std::uniform_real_distribution<double> value_distribution(id, id + 0.99);
	std::this_thread::sleep_for(std::chrono::milliseconds(sleep_distribution(generator)));
	return value_distribution(generator);
}

	

int main() {
	vector<thread> threads_vec;
	queue<pair<int,double>> sensorsData;
	

	int numberOfSensors;
	cin >> numberOfSensors;

	unique_lock<mutex> lock(cv_mtx);

	for (int i = 0; i < numberOfSensors; i++)
	{
		thread tmp([&sensorsData , i]() {
			while (1)
			{
				unique_lock<mutex> lock(cv_mtx);
				sensorsData.push(read_sensor(i));
				cout << "sensor state" << state << endl;
				cout.flush();
				state++;
				cv.notify_all();
			}
			
		});
		threads_vec.push_back(move(tmp));
	}	

		
	while (state != 5) {

	
			cout << "New data!: ";
			cv.wait(lock);
			cout << sensorsData.front() << endl;
			sensorsData.pop();
		}
		state = 0;
	
	


	for (auto &t : threads_vec)
	{
		t.join();
	}
	system("pause");
	return 0;
}