Untitled

#include <vector>
#include <iostream>

using namespace std;

void showMenu()
{
	cout	<< "[ 1 ] Wpisz liczbe do wektora\n"
			<< "[ 2 ] Wypisz wektor\n"
			<< "[ 3 ] Wyjdz z programu\n";

	cout << endl;
}

void readNumbers( vector< int >& vec )
{
	int number;

	cout << "Podaj liczbe:\n";
	cin >> number;

	vec.push_back( number );
}

void showNumbers( const vector< int >& vec )
{
	for( int i = 0; i < vec.size(); ++i )
	{
		cout << vec[ i ] << ", ";
	}
	cout << endl << endl;
}

int main()
{
	vector< int > numbers;

	bool isAppRunning = true;
	while( isAppRunning )
	{
		showMenu();

		int choice;

		cout << "Wybierz opcje (1 - 3):\n";
		cin >> choice;

		switch( choice )
		{
			case 1:
				readNumbers( numbers );
				break;

			case 2:
				showNumbers( numbers );
				break;

			case 3:
				cout << "Zakonczyles dzialanie programu." << endl;
				isAppRunning = false;
				break;

			default:
				cout << "Nie ma takiej opcji!" << endl;
				break;
		}
	}
}