#pragma once
#include <string>
using namespace std;

// THIS QUEUE HAS A BUG!
// The way that we handled front/back causes it to
//  break when the queue is full
// I'm going to leave this example as-is so that we
//  can walk through fixing it later
// It's a good exercise if you're looking for a 
//  debugging problem to work on

const int DATA_SIZE = 5;

class Queue
{
private:
	string data[DATA_SIZE];
	int front, back;

public:
	Queue() { front = 0; back = 0; }
	void PushBack(string s);
	string PopFront();
	bool Empty() { return front == back; }
	int Length();
};