#ifndef SEQUENCE
#define SEQUENCE
const int MAX_SIZE=10;
#include <string>
using namespace std;

class Sequence
{
public:
	// Postcondition: This is an empty Sequence.
	Sequence();

	//Postcondition: True has been returned if this Sequence cannot store
	//			any more items. Otherwise, false has been returned.
	bool full() const;

	//Postcondition: The number of items currently in this Sequence has
	//          been returned.
	int size() const;

	//Precondition: The Sequence will hold at lease one more item.
	//Postcondition: s has been appended (inserted at the end) of this
	//          sequence.
	void push_back(const string& s);

	//Precondition: This Sequence has at least k items.
	//Postcondition: a reference to the item at position k in this Sequence
	//          been returned.
	string& operator[] (int k);

private:
	string data[MAX_SIZE];			//an array to store the items
	int count;						//the number of items in the Sequence

}; //class Sequence
#endif