//#include - tells the compiler to add code here
//.h - header ... at the top
#include<iostream>
#include<time.h>
using namespace std;

//size of the array stays empty when it is passed to a function
//a copy of the array is NOT made
void displayBoard(char board[])
{
	//display tic-tac-toe board
	cout << board[0] << '|' << board[1] << '|' << board[2] << endl;
	cout << "-----" << endl;
	cout << board[3] << '|' << board[4] << '|' << board[5] << endl;
	cout << "-----" << endl;
	cout << board[6] << '|' << board[7] << '|' << board[8] << endl;
}

void main()
{
	char board[9] = { '1', '2', '3', '4', '5', '6', '7', '8', '9'};
	char currentPlayer = 'X';

	do
	{
		//the address of the list is passed to the function
		displayBoard(board);
		int move;
		do
		{
			cin >> move;
		} while (move < 1 || move > 9);

		//move is in the range 1-9, but the indexes are 0-8
		board[move - 1] = currentPlayer;
		
		//change whose turn it is
		if (currentPlayer == 'X')
		{
			currentPlayer = 'O';
		}
		else
		{
			currentPlayer = 'X';
		}
	} while (true);

}


//void main()
//{
//	const int SIZE = 100;
//	//size = 100, size must be a literal or constant  whole number
//	//no varible size, no fractions
//	int A[SIZE]; 
//	//range of indexes aka subscripts - 0 thru (SIZE-1)
//	//out of bounds error-when you use an index that is too big or small
//	for (int i = 0; i < SIZE; i++)
//	{
//		A[i] = 0;
//	}
//	for (int i = 0; i < SIZE; i++)
//	{
//		cout << A[i] << endl; // display A sub i
//	}
//	//cout << A << endl;  //do not do this
//
//
//	//int B[10] = {2,4,6,8,10,12,14,16,18,20};
//	//int B[10] = {0};
//	int B[10] = { 1 };
//	for (int i = 0; i < 10; i++)
//	{
//		cout << B[i] << endl; // display A sub i
//	}
//	int rolls[13] = {0};
//}

//void main()
//{
//	//time(NULL) - returns the number of seconds since Jan 1 1970
//	srand(time(NULL)); // seeds the random number generator
//
//	for (int i = 0; i < 10; i++)
//	{
//		cout << (rand() % 100) + (rand() % 100) << endl;
//	}
//}