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I NEED HELP GETTING THIS TO RUN. WHAT DO I NEED TO ADD? WHAT AM I DOING WRONG? /

ID: 3772153 • Letter: I

Question

I NEED HELP GETTING THIS TO RUN. WHAT DO I NEED TO ADD? WHAT AM I DOING WRONG?

// Tic_Tac_Toe.cpp

#include <iostream>

#include<string>

#include<cstdlib>

#include <stdio.h>

#include <stdlib.h>

#include <time.h>

using namespace std;

char square[10] = { '0','1','2','3','4','5','6','7','8' };

string name;

int splashScreen()//displays game and developer?s information

{

cout << "Tic Tac Toe" << endl;

cout << "Developed by XXYYZZ" << endl;

}

int askForUserNames()//requests for username

{

cout << "Enter the player name:" << endl;

getline(cin, name);

return 0;

}

int validateUserName(string name)//validate username

{

for (int i = 0; i<name.length(); i++)

{

if ((name[i] >= 'a' || name[i] >= 'A') && (name[i] <= 'z' || name[i] <= 'Z'))

{

}

else

{

return 0;

}

}

return 1;

}

int switchPlayer(int player)//switch from one player to another

{

player++;

return player % 2;

}

int resetGame()//reset the game when one concludes; this includes filling the array with vales 0-8

{

for (int i = 0; i<9; i++)

{

square[i] = (char)(i + 48);

}

return 0;

}

int displayGrid()//display the grid after each player makes a move

{

cout << "Player 1 (" << name << ") - Player 2 (O)" << endl << endl;

cout << endl;

cout << " | | " << endl;

cout << " " << square[0] << " | " << square[1] << " | " << square[2] << endl;

cout << "_____|_____|_____" << endl;

cout << " | | " << endl;

cout << " " << square[3] << " | " << square[4] << " | " << square[5] << endl;

cout << "_____|_____|_____" << endl;

cout << " | | " << endl;

cout << " " << square[6] << " | " << square[7] << " | " << square[8] << endl;

cout << " | | " << endl << endl;

return 0;

}

int validatePlayersMove(int choice)//validates that user entry X is such that 0<=X<=8

{

if (choice >= 0 && choice <= 8)

{

return 1;

}

return 0;

}

int checkPositionAvailability(int choice)//check that the position selected by the user is available

{

if (square[choice] != 'O'&&square[choice] != 'X')

{

return 1;

}

return 0;

}

int playerMakeMove()//prompts player to make a move, invokes validatePlayersMove, checkPositionAvailability

{

int choice;

while (1)

{

cout << " Make a move: " << endl;

cin >> choice;

if (validatePlayersMove(choice))

{

if (checkPositionAvailability(choice))

{

break;

}

else

{

cout << "invalid move";

}

}

else

cout << "invalid move";

}

char mark;

mark = 'X';

if (choice == 0 && square[0] == '0')

square[0] = mark;

else if (choice == 1 && square[1] == '1')

square[1] = mark;

else if (choice == 2 && square[2] == '2')

square[2] = mark;

else if (choice == 3 && square[3] == '3')

square[3] = mark;

else if (choice == 4 && square[4] == '4')

square[4] = mark;

else if (choice == 5 && square[5] == '5')

square[5] = mark;

else if (choice == 6 && square[6] == '6')

square[6] = mark;

else if (choice == 7 && square[7] == '7')

square[7] = mark;

else if (choice == 8 && square[8] == '8')

square[8] = mark;

}

int checkWin()//check for a winning player

{

if (square[0] == square[1] && square[1] == square[2])

return 1;

else if (square[3] == square[4] && square[4] == square[5])

return 1;

else if (square[6] == square[7] && square[7] == square[8])

return 1;

else if (square[0] == square[3] && square[3] == square[6])

return 1;

else if (square[1] == square[4] && square[4] == square[7])

return 1;

else if (square[2] == square[5] && square[5] == square[8])

return 1;

else if (square[0] == square[4] && square[4] == square[8])

return 1;

else if (square[2] == square[4] && square[4] == square[6])

return 1;

else

return 0;

}

int checkTie()//check for a tie

{

if (square[1] != '1' && square[2] != '2' && square[3] != '3'

&& square[4] != '4' && square[5] != '5' && square[6] != '6'

&& square[7] != '7' && square[8] != '8' && square[0] != '0')

return 1;

return 0;

}

int makeBestMove()//select best option

{

}

int computerMakeMove()//used to make the move, in other words populate the array

{

int choice;

do

{

choice = rand() % 9;

if (square[choice] != 'X'&& square[choice] != 'O')

{

break;

}

} while (1);

char mark = 'O';

if (choice == 0 && square[0] == '0')

square[0] = mark;

else if (choice == 1 && square[1] == '1')

square[1] = mark;

else if (choice == 2 && square[2] == '2')

square[2] = mark;

else if (choice == 3 && square[3] == '3')

square[3] = mark;

else if (choice == 4 && square[4] == '4')

square[4] = mark;

else if (choice == 5 && square[5] == '5')

square[5] = mark;

else if (choice == 6 && square[6] == '6')

square[6] = mark;

else if (choice == 7 && square[7] == '7')

square[7] = mark;

else if (choice == 8 && square[8] == '8')

square[8] = mark;

return 0;

}

int main()

{

int player = 1;

splashScreen();

while (1)

{

askForUserNames();

if (validateUserName(name))

{

break;

}

else

cout << "invalid name" << endl;

}

displayGrid();

while (1)

{

if (player == 1)

playerMakeMove();

else

computerMakeMove();

displayGrid();

if (checkWin())

{

if (player == 1)

{

cout << "Player " << name << " win" << endl;

}

else

cout << "Computer win" << endl;

break;

}

else if (checkTie())

{

cout << "tie" << endl;

break;

}

player = switchPlayer(player);

}

return 0;

}

Explanation / Answer

Your program was working fine except a few formatting changes and I corrected the layout of the display board. Here you go.

#include <iostream>
#include <string>
#include <cstdlib>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
using namespace std;
char square[10] = { '0','1','2','3','4','5','6','7','8' };
string name;
int splashScreen()//displays game and developer?s information
{
   cout << "Tic Tac Toe" << endl;
   cout << "Developed by XXYYZZ" << endl;
}
int askForUserNames()//requests for username
{
   cout << "Enter the player name:" << endl;
   getline(cin, name);
   return 0;
}
int validateUserName(string name)//validate username
{
   for (int i = 0; i<name.length(); i++)
   {
       if ((name[i] >= 'a' || name[i] >= 'A') && (name[i] <= 'z' || name[i] <= 'Z'))
       {
       }
       else
       {
           return 0;
       }
   }
   return 1;
}
int switchPlayer(int player)//switch from one player to another
{
   player++;
   return player % 2;
}
int resetGame()//reset the game when one concludes; this includes filling the array with vales 0-8
{
   for (int i = 0; i<9; i++)
   {
       square[i] = (char)(i + 48);
   }
   return 0;
}
int displayGrid()//display the grid after each player makes a move
{
   cout << "Player 1 (" << name << ") - Player 2 (O)" << endl << endl;
   cout << endl;
   cout << " | | " << endl;
   cout << " " << square[0] << " | " << square[1] << " | " << square[2] << endl;
   cout << "___|___|___" << endl;
   cout << " | | " << endl;
   cout << " " << square[3] << " | " << square[4] << " | " << square[5] << endl;
   cout << "___|___|___" << endl;
   cout << " | | " << endl;
   cout << " " << square[6] << " | " << square[7] << " | " << square[8] << endl;
   cout << " | | " << endl << endl;
   return 0;
}
int validatePlayersMove(int choice)//validates that user entry X is such that 0<=X<=8
{
   if (choice >= 0 && choice <= 8)
   {
       return 1;
   }
   return 0;
}
int checkPositionAvailability(int choice)//check that the position selected by the user is available
{
   if (square[choice] != 'O' && square[choice] != 'X')
   {
       return 1;
   }
   return 0;
}
int playerMakeMove()//prompts player to make a move, invokes validatePlayersMove, checkPositionAvailability
{
   int choice;
   while (1)
   {
       cout << " Make a move: " << endl;
       cin >> choice;
       if (validatePlayersMove(choice))
       {
           if (checkPositionAvailability(choice))
           {
               break;
           }
           else
           {
               cout << "invalid move";
           }
       }
       else
           cout << "invalid move";
   }
   char mark;
   mark = 'X';
   if (choice == 0 && square[0] == '0')
       square[0] = mark;
   else if (choice == 1 && square[1] == '1')
       square[1] = mark;
   else if (choice == 2 && square[2] == '2')
       square[2] = mark;
   else if (choice == 3 && square[3] == '3')
       square[3] = mark;
   else if (choice == 4 && square[4] == '4')
       square[4] = mark;
   else if (choice == 5 && square[5] == '5')
       square[5] = mark;
   else if (choice == 6 && square[6] == '6')
       square[6] = mark;
   else if (choice == 7 && square[7] == '7')
       square[7] = mark;
   else if (choice == 8 && square[8] == '8')
       square[8] = mark;
}
int checkWin()//check for a winning player
{
   if (square[0] == square[1] && square[1] == square[2])
       return 1;
   else if (square[3] == square[4] && square[4] == square[5])
       return 1;
   else if (square[6] == square[7] && square[7] == square[8])
       return 1;
   else if (square[0] == square[3] && square[3] == square[6])
       return 1;
   else if (square[1] == square[4] && square[4] == square[7])
       return 1;
   else if (square[2] == square[5] && square[5] == square[8])
       return 1;
   else if (square[0] == square[4] && square[4] == square[8])
       return 1;
   else if (square[2] == square[4] && square[4] == square[6])
       return 1;
   else
       return 0;
}
int checkTie()//check for a tie
{
   if (square[1] != '1' && square[2] != '2' && square[3] != '3'
       && square[4] != '4' && square[5] != '5' && square[6] != '6'
       && square[7] != '7' && square[8] != '8' && square[0] != '0')
       return 1;
   return 0;
}
int makeBestMove()//select best option
{
}
int computerMakeMove()//used to make the move, in other words populate the array
{
   int choice;
   do
   {
       choice = rand() % 9;
       if (square[choice] != 'X'&& square[choice] != 'O')
       {
           break;
       }
   } while (1);
   char mark = 'O';
   if (choice == 0 && square[0] == '0')
       square[0] = mark;
   else if (choice == 1 && square[1] == '1')
       square[1] = mark;
   else if (choice == 2 && square[2] == '2')
       square[2] = mark;
   else if (choice == 3 && square[3] == '3')
       square[3] = mark;
   else if (choice == 4 && square[4] == '4')
       square[4] = mark;
   else if (choice == 5 && square[5] == '5')
       square[5] = mark;
   else if (choice == 6 && square[6] == '6')
       square[6] = mark;
   else if (choice == 7 && square[7] == '7')
       square[7] = mark;
   else if (choice == 8 && square[8] == '8')
       square[8] = mark;
   return 0;
}
int main()
{
   int player = 1;
   splashScreen();
   while (1)
   {
       askForUserNames();
       if (validateUserName(name))
       {
           break;
       }
       else
           cout << "invalid name" << endl;
   }
   displayGrid();
   while (1)
   {
       if (player == 1)
           playerMakeMove();
       else
           computerMakeMove();
       displayGrid();
       if (checkWin())
       {
           if (player == 1)
           {
               cout << "Player " << name << " win" << endl;
           }
           else
               cout << "Computer win" << endl;
           break;
       }
       else if (checkTie())
       {
           cout << "tie" << endl;
           break;
       }
       player = switchPlayer(player);
   }
   return 0;
}