tic tac toe

Please help

Code:

#include <stdio.h>
#include "strlib.h"
#include "simpio.h"
#include "genlib.h"
#include "string.h"

#define size 9

void main()
{
	int rand, x = 0, i, player = 0, turn = 0, row = 0, column = 0, line = 0, winner = 0, used[size], check;
	bool space;
	char board[size][size] = { {'1','2','3'}, {'4','5','6'},{'7','8','9'}};

	printf("Welcome to Tic Tac Toe: Player 1 = you-Player 2 = computer\n");

	for(check=0; check<10; check++)
			{
				used[check] = 1;
			}
	for( i = 1; i<size && winner==0; i++)
	{
 
	//-----------------------------Display board--------------------------------//
	printf("\n\n");
	printf(" %c | %c | %c\n", board[0][0], board[0][1], board[0][2]);
	printf("-----------\n");
	printf(" %c | %c | %c\n", board[1][0], board[1][1], board[1][2]);
	printf("-----------\n");
	printf(" %c | %c | %c\n", board[2][0], board[2][1], board[2][2]);
	//--------------------------------------------------------------------------//

	player = i%2 + 1;
  
	if(player == 1)
	{
	printf("\nPlayer 1, place your X: ");
	turn = GetInteger();
	used[x] = turn;
	x++;
	}
	else
	{
		if(x==0)
		{
			turn = 1;
			used[x] = 1;
			x++;
		}
		else
		{
		printf("\nPlayer 2, place your O: ");
		space = true;
			for(rand=9; rand>1 && space != true; rand--)
			{
				space = true;
				for(check=0; check<10; check++)
				{
					if(used[check] == rand) 
					{
						space = false;
					}
					else;
				}
				if(space == true)
				{ 
					rand = -1;
				}
				else;
			}
		turn = rand;
		used[x] = turn;
		x++;
		}
		printf("%d", turn);
	}

	row = --turn/3;
	column = turn%3;
	while(turn<0 || turn>size || board[row][column]>'9');
	board[row][column] = (player == 1) ? 'X' : 'O';


	if((board[0][0] == board[1][1] && board[0][0] == board[2][2]) || (board[0][2] == board[1][1] && board[0][2] == board[2][0]))
		{
			winner = player;
		}
	else
		{
			for(line = 0; line <= 2; line ++) if((board[line][0] == board[line][1] && board[line][0] == board[line][2]) || (board[0][line] == board[1][line] && board[0][line] == board[2][line]))winner = player;
		}
	}
	//-----------------------------Display board--------------------------------//
	printf("\n\n");
	printf(" %c | %c | %c\n", board[0][0], board[0][1], board[0][2]);
	printf("---+---+---\n");
	printf(" %c | %c | %c\n", board[1][0], board[1][1], board[1][2]);
	printf("---+---+---\n");
	printf(" %c | %c | %c\n", board[2][0], board[2][1], board[2][2]);
	//--------------------------------------------------------------------------//

    if(winner == 0)
	{
      printf("\nIt is a draw\n");
	}
	else
	{
      printf("\nCongratulations, player %d!\n", winner);
	}

   system("pause");
}

 

What help do you want?

 

what problem u have..................

i have done it by some other way...................

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