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I wrote program that have to block all moves for player 1, for game TicTacTOE AI,...

I wrote program that have to block all moves for player 1, for game TicTacTOE AI, but it is not working. Can someone check what I have not eliminated?

#include

using namespace std;

const int ROWS = 3;

const int COLS = 3;

int counter = 0;

void aITurn(char b[][COLS]);

void fillBoard(char board[ROWS][COLS]);

void getChoice(char b[][COLS], bool playerToggle);

bool gameOver(char b[][COLS]);

void showBoard(char board[ROWS][COLS]);

int main()

{

   ///main is complete, nothing to do here

   char board[ROWS][COLS];

   bool playerToggle = false;

   fillBoard(board);

   showBoard(board);

   while (!gameOver(board))

   {

   getChoice(board, playerToggle);

   showBoard(board);

   playerToggle = !playerToggle;

   }

   return 0;

}

void fillBoard(char board[ROWS][COLS])

{

   for(int i = 0; i < ROWS; i++)

   {

   for(int j = 0; j < COLS; j++)

   {

   board[i][j] = '*';

   }

   }

}

void showBoard(char board[ROWS][COLS])

{

cout << " 1 2 3" << endl;

   for(int i = 0; i < ROWS; i++)

   {

   cout << i + 1 << " ";

   for(int j = 0; j < COLS; j++)

   {

   cout << board[i][j] << " ";

   }

   cout << endl;

   }

}

void getChoice(char b[][COLS], bool playerToggle){

string player;

char c;

int row, col;

if (playerToggle == false)

{ player = "1";

c = 'X';

do

{

do

{

cout << "Player" << player << "," << " Row: " << endl;

cin >> row;

  

}

while (row < 1 || row > 3);

  

do {

cout << "Player" << player << "," << " Column: " << endl;

cin >> col;

} while (col < 1 || col > 3);

row--;

col--;

} while (b[row][col] == 'X' || b[row][col] == 'O');

b[row][col] = c;

}

else { player = "AI";

aITurn(b);

   }

}

bool gameOver(char b[][COLS])

{

   bool gameOver = false;

   if(((b[0][0]=='X' && b[0][1] == 'X' && b[0][2] =='X') ||

(b[1][0] == 'X' && b[1][1] == 'X' && b[1][2] == 'X') ||

(b[2][0] == 'X' && b[2][1] == 'X' && b[2][2] == 'X') ||

(b[0][0] == 'X' && b[1][0] == 'X' && b[2][0] == 'X') ||

(b[0][1] == 'X' && b[1][1] == 'X' && b[2][1] == 'X') ||

(b[0][2] == 'X' && b[1][2] == 'X' && b[2][2] == 'X') ||

(b[0][0] == 'X' && b[1][1] == 'X' && b[2][2] == 'X') ||

(b[0][2] == 'X' && b[1][1] == 'X' && b[2][0] == 'X') ))

   /// X Wins

   {

cout << "Player 1 wins!" << endl;

   gameOver = true;

   }

else if(((b[0][0]=='O' && b[0][1] == 'O' && b[0][2] == 'O') ||

(b[1][0] == 'O' && b[1][1] == 'O' && b[1][2] == 'O') ||

(b[2][0] == 'O' && b[2][1] == 'O' && b[2][2] == 'O') ||

(b[0][0] == 'O' && b[1][0] == 'O' && b[2][0] == 'O') ||

(b[0][1] == 'O' && b[1][1] == 'O' && b[2][1] == 'O') ||

(b[0][2] == 'O' && b[1][2] == 'O' && b[2][2] == 'O') ||

(b[0][0] == 'O' && b[1][1] == 'O' && b[2][2] == 'O') ||

(b[0][2] == 'O' && b[1][1] == 'O' && b[2][0] == 'O') ))

   /// O Wins

   {

   cout << " AI wins." << endl;

   gameOver = true;

   }

   else

   {

   for (int row = 0; row < 3; row++)

   {

   for (int ccl = 0; ccl < 3; ccl++)

   {

   if (b[row][ccl] == '*')

   {

   return gameOver;

   }

   }

   }

   cout << "Tie!" << endl;// Tie

   gameOver = true;

   }

   return gameOver;

}

void aITurn(char b[][COLS])

{

   cout << "AI's turn..." << endl;

  

   if(counter == 0)

   {

   //first turn checking to see if player1 got center

   if(b[1][1] != 'X')

   {

   b[1][1] = 'O';

   }

   else

   {

   b[0][0] ='O';

   }

   }

// following turns to be checked

if(counter >= 1)

{

  

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

   if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i+1][j] == b[i][j]) && (b[i+2][j] != 'X' && b[i+2][j] != 'O')){

b[i+2][j] = 'O'; return;

}

   }

   }

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

   if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i+1][j] == b[i][j]) && (b[i-1][j] != 'X' && b[i-1][j] != 'O')){

b[i-1][j] = 'O'; return;

}

   }

   }

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i+2][j] == b[i][j]) && (b[i+1][j] != 'X' && b[i+1][j] != 'O')){

b[i+1][j] = 'O'; return;}

   }

   }

  

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

   if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i][j+1] == b[i][j]) && (b[i][j+2] != 'X' && b[i][j+2] != 'O')){

   b[i][j+2] = 'O'; return;

   }}

   }

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

   if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i][j+1] == b[i][j]) && (b[i][j-1] != 'X' && b[i][j-1] != 'O')){

   b[i][j-1] = 'O'; return;

   }

   }}

   for(int i = 0; i < ROWS; i++){

   for(int j = 0; j < COLS; j++){

   if((b[i][j] == 'X' || b[i][j] == 'O') && (b[i][j+2] == b[i][j]) && (b[i][j+1] != 'X' && b[i][j+1] != 'O')){

  

   b[i][j+1] = 'O'; return;

   }

   if((b[0][0] == b[1][1]) && (b[2][2] != 'X' && b[2][2] != 'O')){

  

   b[2][2] = 'O'; return;

   }

   if((b[2][0] == b[1][1]) && (b[0][2] != 'X' && b[0][2] != 'O')){

   b[0][2] = 'O'; return;

   }

   if((b[0][2] == b[1][1]) && (b[2][0] != 'X' && b[2][0] != 'O')){

   b[2][0] = 'O'; return;

  

   }

  

   if((b[2][2] == b[1][1]) && (b[0][0] != 'X' && b[0][0] != 'O')){

   b[0][0] = 'O'; return;

   }

   if((b[0][0] == b[2][2]) && (b[1][1] != 'X' && b[1][1] != 'O')){

b[1][1] = 'O'; return;

   }

   if((b[0][2] == b[2][0]) && (b[1][1] != 'X' && b[1][1] != 'O')){

   b[1][1] = 'O'; return;

   }

   }}

if((b[0][0] == b[0][1]) && (b[0][1] != 'X' && b[0][1] != 'O')){

b[0][1] = 'O'; return;}

   }

  

counter += 1;// checking of the n-th round ends

}

engineering   Computer-Science   
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Homework Answers

Answer #1

First of all the Win condition check is really messy.

Also, the counter increment is not at the actual place.

So here I have implemented the whole program >>

Here is the code >>


#include<bits/stdc++.h>
using namespace std;
  
#define AI 1
#define HUMAN 2
  
#define SIDE 3 //This is the length of the board
#define AIMOVE 'O' //Computer will move with O
#define HUMANMOVE 'X' //user will move with X
  
// Check status of the board
void checkBoard(char boardIMPL[][SIDE])
{
printf("\n\n");
  
printf("\t\t\t %c | %c | %c \n", boardIMPL[0][0],
boardIMPL[0][1], boardIMPL[0][2]);
printf("\t\t\t--------------\n");
printf("\t\t\t %c | %c | %c \n", boardIMPL[1][0],
boardIMPL[1][1], boardIMPL[1][2]);
printf("\t\t\t--------------\n");
printf("\t\t\t %c | %c | %c \n\n", boardIMPL[2][0],
boardIMPL[2][1], boardIMPL[2][2]);

return;
}
void instruction()
{
printf("\t\t\t Tic Tac Toe\n\n");
printf("please choose the cell number:"
" and play\n\n");
  
printf("\t\t\t 1 | 2 | 3 \n");
printf("\t\t\t-------------\n");
printf("\t\t\t 4 | 5 | 6 \n");
printf("\t\t\t-------------\n");
printf("\t\t\t 7 | 8 | 9 \n\n");
  
printf("-\t-\t-\t-\t-\t-\t-\t-\t-\n\n");
  
return;
}
  
void Initialization(char boardIMPL[][SIDE], int turns[])
{

srand(time(NULL));
  
// Initially the boardIMPL is empty
for (int i=0; i<SIDE; i++)
{
for (int j=0; j<SIDE; j++)
boardIMPL[i][j] = ' ';
}
for (int i=0; i<SIDE*SIDE; i++)
turns[i] = i;
  
random_shuffle(turns, turns + SIDE*SIDE);
  
return;
}
  

void Winner(int player) //declare the winner
{
if (player == AI)
printf("AI won\n");
else
printf("HUMAN won\n");
return;
}

bool rowCutCheck(char boardIMPL[][SIDE])
{
for (int i=0; i<SIDE; i++)
{
if (boardIMPL[i][0] == boardIMPL[i][1] &&
boardIMPL[i][1] == boardIMPL[i][2] &&
boardIMPL[i][0] != ' ')
return (true);
}
return(false);
}
  
bool columnCutCheck(char boardIMPL[][SIDE])
{
for (int i=0; i<SIDE; i++)
{
if (boardIMPL[0][i] == boardIMPL[1][i] &&
boardIMPL[1][i] == boardIMPL[2][i] &&
boardIMPL[0][i] != ' ')
return (true);
}
return(false);
}
  

bool diagonalCutCheck(char boardIMPL[][SIDE])
{
if (boardIMPL[0][0] == boardIMPL[1][1] &&
boardIMPL[1][1] == boardIMPL[2][2] &&
boardIMPL[0][0] != ' ')
return(true);
  
if (boardIMPL[0][2] == boardIMPL[1][1] &&
boardIMPL[1][1] == boardIMPL[2][0] &&
boardIMPL[0][2] != ' ')
return(true);
  
return(false);
}
//This function checks the board condition
bool ifGameOver(char boardIMPL[][SIDE])
{
return(rowCutCheck(boardIMPL) || columnCutCheck(boardIMPL)
|| diagonalCutCheck(boardIMPL) );
}
  
// playing the game
void playTicTacToe(int player)
{
//baord initilization
char boardIMPL[SIDE][SIDE];
  
int turns[SIDE*SIDE];
  
Initialization(boardIMPL, turns);
instruction();
  
int moveIndex = 0, x, y;
  
while (ifGameOver(boardIMPL) == false &&
moveIndex != SIDE*SIDE)
{
if (player == AI)
{
x = turns[moveIndex] / SIDE;
y = turns[moveIndex] % SIDE;
boardIMPL[x][y] = AIMOVE;
printf("AI put %c in %d\n",
AIMOVE, turns[moveIndex]+1);
checkBoard(boardIMPL);
moveIndex ++;
player = HUMAN;
}
  
else if (player == HUMAN)
{
x = turns[moveIndex] / SIDE;
y = turns[moveIndex] % SIDE;
boardIMPL[x][y] = HUMANMOVE;
printf ("HUMAN put %c in %d\n",
HUMANMOVE, turns[moveIndex]+1);
checkBoard(boardIMPL);
moveIndex ++;
player = AI;
}
}
  
// game drawn condition
if (ifGameOver(boardIMPL) == false &&
moveIndex == SIDE * SIDE)
printf("It's a draw\n");
else
{
//toggle the user
if (player == AI)
player = HUMAN;
else if (player == HUMAN)
player = AI;
  
//print the winner of the game
Winner(player);
}
return;
}
  
// Test method
int main()
{
//Ai starts the game
playTicTacToe(AI);
  
return (0);
}

Here is the code snippet>>

Here is the code live output>>

<<<DO comment for any queries>>>>#>#>#>#

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