Every time i try to run this, it runs for player X only. I dont want to play aga

Question

Every time i try to run this, it runs for player X only. I dont want to play against the computer but i still want a player 2 (player O) to have a turn after player X ...

pleaseeee help

#include
using namespace std;
// Prints the grid
// Takes the 2D array with r row size and c column size
void printTheGrid(char grid[][3], int r, int c){
for(int i=0; i < r; i++){
for(int j=0; j< c; j++){
cout<< grid[i][j];
}
cout<< endl;
}
}
// Check if it's a winner row column and returns true
bool checkForWinner(char grid[3][3], int row, int column){
if (grid[row][0] == grid[row][1]
&& grid[row][0] == grid[row][2]) //Check row
return true;
if (grid[0][column] == grid[1][column]
&& grid[0][column] == grid[2][column]) //Check column
return true;
if (row == column && grid[0][0] == grid[1][1]
&& grid[0][0] == grid[2][2]) //top-left to bottom-right diagonal
return true;
if (row + column == 2 && grid[0][2] == grid[1][1]
&& grid[0][2] == grid[2][0]) //top-right to bottom-left diagonal
return true;
return false;
}
int main()
{
char grid[3][3];
int freeSlots, row, column;
char player;
bool end, hasWinner;

{
//initializing the grid with dots
for (int r = 0; r < 3; r++)
for (int c = 0; c < 3; c++)
grid[r][c] = '*';
freeSlots = 9;
player = 'X';
hasWinner = end = false;
printTheGrid(grid, 3, 3);
while (!end) //while game is not over
{
row = column = -1; //get valid move
while (column > 2 || column < 0 || row > 2 || row < 0
|| grid[row][column] != '*')
{
cout << "Player "
<< player << ","

<<"row ";
cin >> row;
row--;
cout << "Player "
<< player << ", "
<<"column ";
cin >> column;
column--;
}
grid[row][column] = player; //place move
freeSlots--; //decrement free slots
printTheGrid(grid, 3, 3);
//check game status
if (freeSlots == 0) end = true;
hasWinner = end = checkForWinner(grid, row, column);

//display game result
if (hasWinner) cout <<"Player " << player << " wins ";
else cout << "The cat wins ";

}
return 0;
}}

Explanation / Answer

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define COLS 3
char square[10] = { 'o', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
int checkwin();
void displayBoard();
void initializeBoard();
void validMove(char,int,int *);
void makeMove(char [][COLS]);

int main()
{

int player = 1, i, choice;
initializeBoard();
char mark;
do
{
displayBoard();
player = (player % 2) ? 1 : 2;
printf("Player %d, enter a number: ", player);
scanf("%d", &choice);
mark = (player == 1) ? 'X' : 'O';
validMove(mark,choice ,&player);
i = checkwin();
player++;
}while (i == - 1);

displayBoard();

if (i == 1)
printf("==>Player %d win ", --player);
else
printf("==>Game draw");
exit(0);
return 0;
}

void validMove(char mark,int choice, int *player){
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;

else if (choice == 9 && square[9] == '9')
square[9] = mark;

else
{
printf("Invalid move ");
*player = *player -1;
// getch();
exit(0);
}
}
/*********************************************
FUNCTION TO RETURN GAME STATUS
1 FOR GAME IS OVER WITH RESULT
-1 FOR GAME IS IN PROGRESS
O GAME IS OVER AND NO RESULT
**********************************************/
int checkwin()
{
if (square[1] == square[2] && square[2] == square[3])
return 1;

else if (square[4] == square[5] && square[5] == square[6])
return 1;

else if (square[7] == square[8] && square[8] == square[9])
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[3] == square[6] && square[6] == square[9])
return 1;

else if (square[1] == square[5] && square[5] == square[9])
return 1;

else if (square[3] == square[5] && square[5] == square[7])
return 1;

else 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[9] != '9')
return 0;
else
return - 1;
}

/*******************************************************************
FUNCTION TO DRAW BOARD OF TIC TAC TOE WITH PLAYERS MARK
********************************************************************/
void initializeBoard()
{
system("cls");
printf(" Tic Tac Toe ");
printf("Player 1 (X) - Player 2 (O) ");

printf("| | | ");
printf("| | | ");
printf("_____|_____|_____ ");
printf("| | | ");
printf("| | | ");
printf("_____|_____|_____ ");
printf("| | ");
printf("| | | ");
printf("| | | ");
}

void displayBoard()
{
system("cls");
printf(" Tic Tac Toe ");
printf("Player 1 (X) - Player 2 (O) ");

printf("| | | ");
printf("| %c | %c | %c ", square[1], square[2], square[3]);
printf("_____|_____|_____ ");
printf("| | | ");
printf("| %c | %c | %c ", square[4], square[5], square[6]);
printf("_____|_____|_____ ");
printf("| | | ");
printf("| %c | %c | %c ", square[7], square[8], square[9]);
printf("| | | ");
}

Related Questions

Navigate

• Browse (All)
• Browse E
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.