#include <iostream>
#include <string>
using namespace std;

void printIntro();
void printGuessAnswer();
void printBar();
void playGame();
bool askToPlayAgain();

int main()
{
	do
	{
		printIntro();
		playGame();
	} while (askToPlayAgain());


	system("pause");
	return 0;
}

void playGame()
{
	constexpr int enterTime = 5;
	for (int i = 0; i < enterTime; i++)
	{
		printGuessAnswer();
		printBar();
	}
}

void printIntro()
{
	// print the fucking introduction of the fucking game
	constexpr int word_length = 5;

	cout << "Welcom to bullcow game\n";
	cout << "Can you guess the " << word_length;
	cout << " letter isogram that I am thinking about?\n";
	return;
}

void printGuessAnswer()
{
	// print the guess's answer not pass the answer to the variable
	string x;

	cout << "enter your answer: ";
	do { getline(cin, x); } while(!x.size());
	cout << "your answer: " << x << endl;
}

void printBar()
{
	// print the fucking bar
	cout << "--------------------------------------\n";
}

bool askToPlayAgain()
{
	string str;

	cout << "Do you want to play again?(Y/N): ";
	cin >> str;

	return (str[0] == 'y' || str[0] == 'Y');
}