Please help me with this program: Write a program that will allow two users to p

Question

Please help me with this program:

Write a program that will allow two users to play tic tac toe. The program should ask for moves alternately from player x and o. The program displays the game position as follows

1 2 3

4 5 6

7 8 9

The players enter their moves by entering the position number they wish to mark. After each move, the program displays the changed board. A sample board configuration is as follows:

X X O

4 5 6

7 X X

#include <iostream>
#include <fstream>

using namespace std;

void ini_game(char a[][3]);
void display_game(char a[][3]);

int main()
{
    /*
    tic tac toe game
    data structure: a 2 dim char array
    input from player: char p
    a boolean var represent players
    
    1. a player enters a number (char for position)
    2. validate input:
                -input with 1 - 9
                if (p>='1' && p<='9')
                -position on board still available
                if ( avail_spot(gb, p))
    3. place the player id onto game board
    4. display the game board
    5. check if game has ended
             - if winner, announce winner
             - if there is any more available spot,
             if not, announce a draw
    6. switch player, and go back to step 1
    */
    
    
char gb[3][3];
char p; //input from player

ini_game(gb);
display_game(gb);

cout << endl;
system("pause");
return 0;   
}

bool avail_spot(char a[][3], char c, bool playerx)
{
     int n=c - 48;
     int i, j;
     i = (n-1) /3;
     j = (n-1)%3;
     if (a[i][j] == c)
     {
        if (playerx)
        {a[i][j] = 'X';}
        else
        {a[i][j] = 'O';}
        return true;
     }
     else
     {
         return false;    
     }    
}

void ini_game(char a[][3])
{
char c='1';
for (int i=0; i<3; i++)
{
     for (int j=0; j<3; j++)
     {
         a[i][j] = c;
         c++;    
     }    
}   
}

void display_game(char a[][3])
{
for (int i=0; i<3; i++)
{
     for (int j=0; j<3; j++)
     {
         cout << a[i][j] << " ";
            
     }
     cout << endl;   
}
}

Explanation / Answer

//tic tac toe game #include using std::cout; using std::endl; using std::cin; //#include //using std::setw; int main() { // char square[3] [3]; char sq1('1'); char sq2('2'); char sq3('3'); char sq4('4'); char sq5('5'); char sq6('6'); char sq7('7'); char sq8('8'); char sq9('9'); int player(1);//player bool gameover(true); do { cout

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