# Tic Tac Toe Help

```#include <iostream> #include <cstdlib> #include <time.h> using namespace std; int option, test, row, col, turn, option2 = 0; char board[3][3]; //Prints the board to the screen void drawBoard() {     cout<<"\n";     for(int i = 0; i < 3; i++)     {         for(int j = 0; j < 3; j++)         {                 cout<<"|"<<board[i][j]<<"|  ";         }                cout<<"\n-------------\n";     }        }    //Function checks for a winner if the returned is: 1 if X wins, 2 if O wins, 3 if tie int checkWinner() { //Checks to see if X won            int r=0;                 //Checks for all possibilities for X to win in rows         if(board[0][0] == 'X' && board[0][1] == 'X' && board[0][2] == 'X')           r=1;         if(board[1][0] == 'X' && board[1][1] == 'X' && board[1][2] == 'X')           r=1;            if(board[2][0] == 'X' && board[2][1] == 'X' && board[2][2] == 'X')           r=1;                                //Checks for all possibilities for X to win in columns         if(board[0][0] == 'X' && board[1][0] == 'X' && board[2][0] == 'X')           r=1;          if(board[0][1] == 'X' && board[1][1] == 'X' && board[2][1] == 'X')           r=1;         if(board[0][2] == 'X' && board[1][2] == 'X' && board[2][2] == 'X')           r=1;                  //Checks for all possibilities for X to win diagonally         if(board[0][0] == 'X' && board[1][1] == 'X' && board[2][2] == 'X')           r=1;          if(board[2][0] == 'X' && board[1][1] == 'X' && board[0][2] == 'X')           r=1;  //Checks to see if O won         //Checks for all possibilities for O to win in rows         if(board[0][0] == 'O' && board[0][1] == 'O' && board[0][2] == 'O')           r=2;         if(board[1][0] == 'O' && board[1][1] == 'O' && board[1][2] == 'O')           r=2;            if(board[2][0] == 'O' && board[2][1] == 'O' && board[2][2] == 'O')           r=2;                                //Checks for all possibilities for O to win in columns         if(board[0][0] == 'O' && board[1][0] == 'O' && board[2][0] == 'O')           r=2;          if(board[0][1] == 'O' && board[1][1] == 'O' && board[2][1] == 'O')           r=2;         if(board[0][2] == 'O' && board[1][2] == 'O' && board[2][2] == 'O')           r=2;                  //Checks for all possibilities for O to win diagonally         if(board[0][0] == 'O' && board[1][1] == 'O' && board[2][2] == 'O')           r=2;          if(board[2][0] == 'O' && board[1][1] == 'O' && board[0][2] == 'O')           r=2;                 if(r==1)           return 1;         if(r==2)           return 2; //Checks for a tie         int s=0;         int i, j;         for (i=0; i<3; i++)         for (j=0; j<3; j++)         {         if ((board[i][j] == 'X') || (board[i][j] == 'O'))         s++;         }         if (r!=1 && r!=2 && s==9)           return 3;                                                 }        //Computer generates a random move and see if it's available. If it is, then the move is made. //If it isn't then it generates another random move. void Computer() {     col = -1;     row = -1;     while(col == -1 || row == -1)     {         time_t seconds;         time(&seconds);         srand((unsigned int) seconds);          col = rand()%3;         row = rand()%3;         if(board[row][col] != ' ')         {             col = -1;             row = -1;         }         board[row][col] = 'O';                            }              }    int main() {     do     {       option2 = 0;//Allows the game to be played multiple times.       cout<<"Enter a menu option:\n";       cout<<"-----------------------------\n\n";       cout<<"1. Play Tic Tac Toe\n";       cout<<"2. Quit\n";       cin>>option;       for(int i = 0; i < 3; i++)       {           for(int j = 0; j < 3; j++)           {                   board[i][j] = ' ';           }              }          if(option !=2)       {         while(option2 != -1)//Game will continue until someone wins or it is a tie.         {                    if(turn%2 == 0)//If it's even then it's X's turn.             {                 bool condition = true;                 while(condition == true)                 {                        cout<<"\n\nEnter a move:\n";                     cout<<"Enter the row you wish to make your move on (0,1,2)\n";                     cin>>row;                     cout<<"Enter the column you wish to make your move on (0,1,2)\n";                     cin>>col;                      if(board[row][col] == ' ')//Checks to see if the move is valid                     {                          board[row][col] = 'X';                         turn++;                         condition = false;                     }                        else                         cout<<"Invalid move!\n";                 }                }                else//The computer makes a move.             {                 Computer();                                  turn++;             }                                       if(checkWinner() == 1)//X wins             {                 cout<<"Congratulations! You won!\n\n";                 option2 = -1;             }                          else if(checkWinner() == 2)//O wins             {                 cout<<"Sorry, but the computer won.\n\n";                 option2 = -1;             }                          else if(checkWinner() == 3)//It's a tie             {                 cout<<"It seems we have a tie.\n\n";                 option2 = -1;             }             drawBoard();         }                }            }while(option != 2);       cout<<"\n\n\n\nPress Enter to quit.";       cin.get(); }```