C / C++ / MFC

if(user_inputbox1)<br />
 ...<br />
if(user_inputbox2)<br />
 ...

#include <iostream><br />
#include <cstdlib><br />
using namespace std;<br />
<br />
char matrix [3] [3];	//Tic Tac Toe Matrix<br />
<br />
char check();<br />
void init_matrix();<br />
void get_player_move();<br />
void get_computer_move();<br />
void disp_matrix();<br />
<br />
int main()<br />
{<br />
	char done = ' ';<br />
<br />
	init_matrix();<br />
<br />
	do{<br />
		disp_matrix();<br />
		get_player_move();<br />
		done = check();			//See if any winner<br />
		if(done != ' ') break;	//Winner!!!<br />
		get_computer_move();<br />
		done = check();			//See if any winner again<br />
	} while(done == ' ');<br />
<br />
	if(done=='X') <br />
		cout << "You won!\n";<br />
	else<br />
		cout << "I won!!!!\n";<br />
<br />
	disp_matrix();				//Display final matrix<br />
<br />
	return 0;<br />
}<br />
<br />
//Initialize the matrix<br />
void init_matrix()<br />
{<br />
	int i, j;<br />
<br />
	for(i=0; i<3; i++)<br />
		for(j=0; j<3; j++) matrix[i][j] =  ' ';<br />
}<br />
<br />
//Get the player's move<br />
void get_player_move()<br />
{<br />
	int x, y;<br />
<br />
	cout << "Enter X,Y coordinates for your move: ";<br />
	cin >> x;<br />
	cin >> y;<br />
<br />
	x--; y--;<br />
<br />
	if(matrix[x][y]!= ' '){<br />
		cout << "Invalid move, try again.\n";<br />
		get_player_move();<br />
	}<br />
  else matrix[x][y] = 'X';<br />
}<br />
<br />
//Get a move from the computer<br />
void get_computer_move()<br />
{<br />
	int i, j;<br />
<br />
f:	i = rand() % 3;<br />
	j = rand() % 3;<br />
	<br />
	if(matrix[i][j] !=' ')<br />
		goto f;<br />
<br />
	if(i*j==9)  {<br />
		cout << "draw\n";<br />
		system("pause");<br />
	}<br />
	else<br />
		matrix[i][j] = 'O';<br />
<br />
<br />
<br />
}<br />
<br />
//Display the matrix<br />
void disp_matrix()<br />
{<br />
	int t;<br />
<br />
	for(t=0; t<3; t++) {<br />
		cout << matrix[t][0] << "  | " << matrix[t][1] << " | " << matrix[t][2];<br />
		if(t != 2) <br />
			cout << "\n---|---|---\n";<br />
	}<br />
	cout << "\n";<br />
}<br />
<br />
//See if any winner<br />
char check()<br />
{<br />
	int i;<br />
<br />
	for(i=0; i<3; i++)  /* check rows */<br />
		if(matrix[i][0]==matrix[i][1] && matrix[i][0]==matrix[i][2]) <br />
			return matrix[i][0];<br />
<br />
	for(i=0; i<3; i++)  /* check columns */<br />
		if(matrix[0][i]==matrix[1][i] && matrix[0][i]==matrix[2][i]) <br />
			return matrix[0][i];<br />
<br />
	//Test diagonals for winner<br />
	if(matrix[0][0]==matrix[1][1] && matrix[1][1]==matrix[2][2])<br />
		return matrix[0][0];<br />
<br />
	if(matrix[0][2]==matrix[1][1] && matrix[1][1]==matrix[2][0])<br />
		return matrix[0][2];<br />
<br />
  return ' ';<br />
}

/**
copyright, blah blah blah
*/
#ifndef _FOO_H__
#define _FOO_H__
//code
#endif //_FOO_H__

#ifndef _FOO_H__
#define _FOO_H__
/**
copyright, blah blah blah
*/

//code
#endif //_FOO_H__

HEAP: Free Heap block e0d998 modified at e0dc60 after it was freed