diff --git a/part 2/Container.cpp b/part 2/Container.cpp
index 046207f5196a6e107b83f0ee60134c18f0033764..8d0085e747e2ca192275707faf2a87ec8f17617a 100644
--- a/part 2/Container.cpp	
+++ b/part 2/Container.cpp	
@@ -1,244 +1,246 @@
-#include "Container.h"
-#include <iostream>
-#include <fstream>
-#include <iomanip>
-#include <ranges>
-#include <algorithm>
-
-
-luggage::luggage(size_t     flight_id,
-	const char* date_time,
-	const char* destination,
-	const char* surname,
-	size_t num,
-	double weight) :
-	flight_id(flight_id),
-	num(num),
-	weight(weight)
-{
-	strcpy_s(this->date_time, 30, date_time);
-	strcpy_s(this->destination, 30, destination);
-	strcpy_s(this->surname, 30, surname);
-}
-
-std::istream& operator>>(std::istream& in, luggage& luggage)
-{
-	std::cout << "Flight id:" << std::endl;
-	in >> luggage.flight_id;
-	in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
-	std::cout << "Date Time:" << std::endl;
-	in.getline(luggage.date_time, 30);
-	std::cout << "Destination:" << std::endl;
-	in.getline(luggage.destination, 30);
-	std::cout << "Passanger surname:" << std::endl;
-	in.getline(luggage.surname, 30);
-	std::cout << "Luggage amount:" << std::endl;
-	in >> luggage.num;
-	std::cout << "Total luggage weight:" << std::endl;
-	in >> luggage.weight;
-	in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
-	return in;
-}
-
-std::ostream& operator<<(std::ostream& out, const luggage& luggage)
-{
-	out << luggage.flight_id << std::endl
-		<< luggage.date_time << std::endl
-		<< luggage.destination << std::endl
-		<< luggage.surname << std::endl
-		<< luggage.num << std::endl
-		<< luggage.weight << std::endl;
-	return out;
-}
-
-void Container::sync()
-{
-	std::ifstream fin(filename, std::ios::binary);
-	luggage elem;
-	size_t i = 0;
-	while (fin.read(reinterpret_cast<char*>(&elem), sizeof(luggage))) {
-		i++;
-		array.insert(std::make_pair(i, elem));
-	}
-
-}
-
-Container::Container() :
-	filename("data"),
-	edits(0)
-{}
-
-Container::Container(const std::string& filename) :
-	filename(filename),
-	edits(0)
-{}
-
-Container::Container(const std::string& filename, const std::initializer_list<luggage>& list) :
-	filename(filename),
-	edits(0)
-{
-	write(list);
-}
-
-void Container::write(const std::initializer_list<luggage>& list)
-{
-	std::ofstream fout(filename, std::ios::binary | std::ios::app);
-	for (const auto& elem : list)
-		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
-
-}
-
-void Container::open(bool fill)
-{
-	std::ofstream fout(filename, std::ios::binary);
-	if (!fout) {
-		std::cerr << "open error: unable to create file.";
-		exit;
-	}
-
-	if (fill) {
-		luggage elem;
-		bool continue_filling;
-		do {
-			std::cin >> elem;
-			std::cout << "Input:" << std::endl
-				<< "0 - to stop filling;" << std::endl
-				<< "1 - to continue;" << std::endl;
-			fout.write(reinterpret_cast<char*>(&elem), sizeof(luggage));
-			std::cin >> continue_filling;
-			std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
-		} while (continue_filling);
-	}
-}
-
-void Container::remove(size_t index)
-{
-	sync();
-	array.erase(index);
-	std::ofstream fout(filename + "_edit_" + std::to_string(++edits), std::ios::binary);
-	for (const auto& elem : array)
-		fout.write(reinterpret_cast<const char*>(&elem.second), sizeof(luggage));
-}
-
-void Container::replace(size_t index, const luggage& sub)
-{
-	sync();
-	array[index] = sub;
-	std::ofstream fout(filename + "_edit_" + std::to_string(++edits), std::ios::binary);
-	for (const auto& elem : array)
-		fout.write(reinterpret_cast<const char*>(&elem.second), sizeof(luggage));
-}
-
-void Container::to_text()
-{
-	sync();
-	std::ofstream fout(filename + ".txt");
-
-	fout << "|" << std::setw(3) << "#" << "|"
-		<< std::setw(15) << "Flight id" << "|"
-		<< std::setw(15) << "Date time" << "|"
-		<< std::setw(15) << "Destination" << "|"
-		<< std::setw(15) << "Passanger surname" << "|"
-		<< std::setw(15) << "Luggage amount" << "|"
-		<< std::setw(15) << "Total luggage weight" << "|" << std::endl;
-
-	for (const auto& elem : array) {
-		fout << "|" << std::setw(3) << elem.first << "|"
-			<< std::setw(15) << elem.second.flight_id << "|"
-			<< std::setw(30) << elem.second.date_time << "|"
-			<< std::setw(30) << elem.second.destination << "|"
-			<< std::setw(30) << elem.second.surname << "|"
-			<< std::setw(15) << elem.second.num << "|"
-			<< std::setw(15) << elem.second.weight << "|"
-			<< std::endl;
-	}
-}
-
-const std::string& Container::get_filename()
-{
-	return filename;
-}
-
-void Container::search_by_flight_id(const size_t& id)
-{
-	sync();
-	std::ofstream fout(filename + "_id_" + std::to_string(id), std::ios::binary);
-
-	std::vector<luggage> res;
-
-	auto iter = array.begin();
-	while (iter != array.end())
-	{
-		iter = std::find_if(iter, array.end(), [&id](const auto& elem) { return elem.second.flight_id == id; });
-		if (iter != array.end()) {
-			res.push_back(iter->second);
-			++iter;
-		}
-	}
-
-	for (const auto& elem : res)
-		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
-}
-
-void Container::search_by_date_time(const std::string& date)
-{
-	sync();
-	std::ofstream fout(filename + "_dt_" + date, std::ios::binary);
-
-	std::vector<luggage> res;
-
-	auto iter = array.begin();
-	while (iter != array.end())
-	{
-		iter = std::find_if(iter, array.end(), [&date](const auto& elem) { return elem.second.date_time == date; });
-		if (iter != array.end()) {
-			res.push_back(iter->second);
-			++iter;
-		}
-	}
-
-	for (const auto& elem : res)
-		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
-}
-
-void Container::search_by_destination(const std::string& dest)
-{
-	sync();
-	std::ofstream fout(filename + "_dest_" + dest, std::ios::binary);
-
-	std::vector<luggage> res;
-
-	auto iter = array.begin();
-	while (iter != array.end())
-	{
-		iter = std::find_if(iter, array.end(), [&dest](const auto& elem) { return elem.second.destination == dest; });
-		if (iter != array.end()) {
-			res.push_back(iter->second);
-			++iter;
-		}
-	}
-
-	for (const auto& elem : res)
-		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
-}
-
-void Container::search_by_weight(double weight)
-{
-	sync();
-	std::ofstream fout(filename + "_weight_" + std::to_string(weight), std::ios::binary);
-
-	std::vector<luggage> res;
-
-	auto iter = array.begin();
-	while (iter != array.end())
-	{
-		iter = std::find_if(iter, array.end(), [&weight](const auto& elem) { return elem.second.weight == weight; });
-		if (iter != array.end()) {
-			res.push_back(iter->second);
-			++iter;
-		}
-	}
-
-	for (const auto& elem : res)
-		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
+#include "Container.h"
+#include <iostream>
+#include <fstream>
+#include <iomanip>
+#include <ranges>
+#include <algorithm>
+
+
+luggage::luggage(size_t     flight_id,
+	const char* date_time,
+	const char* destination,
+	const char* surname,
+	size_t num,
+	double weight) :
+	flight_id(flight_id),
+	num(num),
+	weight(weight)
+{
+	strcpy_s(this->date_time, 30, date_time);
+	strcpy_s(this->destination, 30, destination);
+	strcpy_s(this->surname, 30, surname);
+}
+
+std::istream& operator>>(std::istream& in, luggage& luggage)
+{
+	std::cout << "Flight id:" << std::endl;
+	in >> luggage.flight_id;
+	in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+	std::cout << "Date Time:" << std::endl;
+	in.getline(luggage.date_time, 30);
+	std::cout << "Destination:" << std::endl;
+	in.getline(luggage.destination, 30);
+	std::cout << "Passanger surname:" << std::endl;
+	in.getline(luggage.surname, 30);
+	std::cout << "Luggage amount:" << std::endl;
+	in >> luggage.num;
+	std::cout << "Total luggage weight:" << std::endl;
+	in >> luggage.weight;
+	in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+	return in;
+}
+
+std::ostream& operator<<(std::ostream& out, const luggage& luggage)
+{
+	out << luggage.flight_id << std::endl
+		<< luggage.date_time << std::endl
+		<< luggage.destination << std::endl
+		<< luggage.surname << std::endl
+		<< luggage.num << std::endl
+		<< luggage.weight << std::endl;
+	return out;
+}
+
+void Container::sync()
+{
+	std::ifstream fin(filename, std::ios::binary);
+	luggage elem;
+	size_t i = 0;
+	while (fin.read(reinterpret_cast<char*>(&elem), sizeof(luggage))) {
+		i++;
+		array.insert(std::make_pair(i, elem));
+	}
+
+}
+
+Container::Container() :
+	filename("data"),
+	edits(0)
+{}
+
+Container::Container(const std::string& filename) :
+	filename(filename),
+	edits(0)
+{}
+
+Container::Container(const std::string& filename, const std::initializer_list<luggage>& list) :
+	filename(filename),
+	edits(0)
+{
+	write(list);
+}
+
+void Container::write(const std::initializer_list<luggage>& list)
+{
+	std::ofstream fout(filename, std::ios::binary | std::ios::app);
+	for (const auto& elem : list)
+		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
+
+}
+
+void Container::open(bool fill)
+{
+	std::ofstream fout(filename, std::ios::binary);
+	if (!fout) {
+		std::cerr << "open error: unable to create file.";
+		exit;
+	}
+
+	if (fill) {
+		luggage elem;
+		bool continue_filling;
+		do {
+			std::cin >> elem;
+			std::cout << "Input:" << std::endl
+				<< "0 - to stop filling;" << std::endl
+				<< "1 - to continue;" << std::endl;
+			fout.write(reinterpret_cast<char*>(&elem), sizeof(luggage));
+			std::cin >> continue_filling;
+			std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+		} while (continue_filling);
+	}
+}
+
+void Container::remove(size_t index)
+{
+	sync();
+	array.erase(index);
+	std::ofstream fout(filename + "_edit_" + std::to_string(++edits), std::ios::binary);
+	for (const auto& elem : array)
+		fout.write(reinterpret_cast<const char*>(&elem.second), sizeof(luggage));
+}
+
+void Container::replace(size_t index, const luggage& sub)
+{
+	sync();
+	array[index] = sub;
+	std::ofstream fout(filename + "_edit_" + std::to_string(++edits), std::ios::binary);
+	for (const auto& elem : array)
+		fout.write(reinterpret_cast<const char*>(&elem.second), sizeof(luggage));
+}
+
+void Container::to_text()
+{
+	sync();
+	std::ofstream fout(filename + ".txt");
+
+	fout << "|" << std::setw(3) << "#" << "|"
+		<< std::setw(15) << "Flight id" << "|"
+		<< std::setw(15) << "Date time" << "|"
+		<< std::setw(15) << "Destination" << "|"
+		<< std::setw(15) << "Passanger surname" << "|"
+		<< std::setw(15) << "Luggage amount" << "|"
+		<< std::setw(15) << "Total luggage weight" << "|" << std::endl;
+
+	for (const auto& elem : array) {
+		fout << "|" << std::setw(3) << elem.first << "|"
+			<< std::setw(15) << elem.second.flight_id << "|"
+			<< std::setw(30) << elem.second.date_time << "|"
+			<< std::setw(30) << elem.second.destination << "|"
+			<< std::setw(30) << elem.second.surname << "|"
+			<< std::setw(15) << elem.second.num << "|"
+			<< std::setw(15) << elem.second.weight << "|"
+			<< std::endl;
+	}
+}
+
+const std::string& Container::get_filename()
+{
+	return filename;
+}
+
+void Container::search_by_flight_id(const size_t& id)
+{
+	sync();
+	std::ofstream fout(filename + "_id_" + std::to_string(id), std::ios::binary);
+
+	std::vector<luggage> res;
+
+	auto iter = array.begin();
+	while (iter != array.end())
+	{
+		iter = std::find_if(iter, array.end(), [&id](const auto& elem) { return elem.second.flight_id == id; });
+		if (iter != array.end()) {
+			res.push_back(iter->second);
+			++iter;
+		}
+	}
+
+	for (const auto& elem : res)
+		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
+}
+
+void Container::search_by_date_time(const std::string& date)
+{
+	sync();
+	std::ofstream fout(filename + "_dt_" + date, std::ios::binary);
+
+	std::vector<luggage> res;
+
+	auto iter = array.begin();
+	while (iter != array.end())
+	{
+		iter = std::find_if(iter, array.end(), [&date](const auto& elem) { return elem.second.date_time == date; });
+		if (iter != array.end()) {
+			res.push_back(iter->second);
+			++iter;
+		}
+	}
+
+	for (const auto& elem : res)
+		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
+}
+
+void Container::search_by_destination(const std::string& dest)
+{
+	sync();
+	std::ofstream fout(filename + "_dest_" + dest, std::ios::binary);
+
+	std::vector<luggage> res;
+
+	auto iter = array.begin();
+	while (iter != array.end())
+	{
+		iter = std::find_if(iter, array.end(), [&dest](const auto& elem) { return elem.second.destination == dest; });
+		if (iter != array.end()) {
+			res.push_back(iter->second);
+			++iter;
+		}
+	}
+
+	for (const auto& elem : res)
+		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
+}
+
+void Container::search_by_weight(double weight)
+{
+	sync();
+	std::ofstream fout(filename + "_weight_" + std::to_string(weight), std::ios::binary);
+
+	std::vector<luggage> res;
+
+	auto iter = array.begin();
+	while (iter != array.end())
+	{
+	    //!!! Нельзя сравнивать double на ==. Нужно fabs(...) < eps;
+	    
+		iter = std::find_if(iter, array.end(), [&weight](const auto& elem) { return elem.second.weight == weight; });
+		if (iter != array.end()) {
+			res.push_back(iter->second);
+			++iter;
+		}
+	}
+
+	for (const auto& elem : res)
+		fout.write(reinterpret_cast<const char*>(&elem), sizeof(luggage));
 }
\ No newline at end of file