tick cross game

cross_game.cpp

#include <iostream>
#include<stdlib.h>
using namespace std;
char table[3][3]={{'1','2','3'},{'4','5','6'},{'7','8','9'}};
int turn='X';
int column,row;
bool draw = false;
void display_table()
{
    system("cls");
     cout <<"\t        A A F A Q _ R A S H I D";
    cout << "\n\t\t T I C   T A C   T O E "<<endl;
    cout << "\n\t\t PLAYER:1 [X]"<<endl<<"\t\t PLAYER:2 [O]"<<endl;
    cout << "\t\t _________________\n";
    cout << "\t\t|     |     |     |\n";
    cout << "\t\t|  "<<table[0][0]<<"  |  "<<table[0][1]<<"  |  "<<table[0][2]<<"  |\n";
    cout << "\t\t|_____|_____|_____|\n";
    cout << "\t\t|     |     |     |\n";
    cout << "\t\t|   "<<table[1][0]<<" |  "<<table[1][1]<< "  |  "<<table[1][2]<< "  |\n";
    cout << "\t\t|_____|_____|_____|\n";
    cout << "\t\t|     |     |     |\n";
    cout << "\t\t|   "<<table[2][0]<<" |  "<<table[2][1]<< "  |  "<<table[2][2]<< "  |\n";
    cout << "\t\t|_____|_____|_____|\n";


}
void player_turn()
{
     int choice;
     if(turn== 'X')
    {cout << endl<<"\t\tPLAYER:1 [X] turn: ";}
     if(turn== 'O')
    {cout << endl<<"\t\tPLAYER:2 [O] turn: ";}

    cin>> choice;
   switch(choice)
             {

                case 1: row=0,column=0; break;
                case 2: row=0,column=1; break;
                case 3: row=0,column=2; break;
                case 4: row=1,column=0; break;
                case 5: row=1,column=1; break;
                case 6: row=1,column=2; break;
                case 7: row=2,column=0; break;
                case 8: row=2,column=1; break;
                case 9: row=2,column=2; break;
                default:
                cout<<"\n ILLEGAL MOVE\n"; break;

                    }

       if(turn=='X' && table[row][column]!='X'  && table[row][column]!='O')
       {
           table[row][column]= 'X';
           turn='O';
       }
      else  if(turn=='O' && table[row][column]!='X' && table[row][column]!='O')
       {
           table[row][column]= 'O';
           turn ='X';
       }
      else      if(table[row][column]=='X' || table[row][column]=='O')   //BOX ALREADY FILLED
      { cout<<" T R Y  A G A I N !!";
         player_turn();
       }

      display_table();
}
bool game_over()
{//check win:
    int i,j;
    if(
      (table[0][0]==table[1][1] && table[0][0]==table[2][2])||  //diagonal check
      (table[0][2]==table[1][1] && table[0][2]==table[2][0]))    //diagonal check
      return(false);
    for(i=0;i<=2;i++)
    {
              if(table[i][0]==table[i][1] && table[i][0]==table[i][2])   /*row check*/
                return (false);
    }
    for(j=0;j<=2;j++)
      {
 if(    table[0][j]==table[1][j] && table[0][j]==table[2][j])  /* column check*/
              return (false);
        }
        for(i=0;i<=2;i++)
            for(j=0;j<=2;j++)
      {
          if(table[i][j]!= 'X'&&table[i][j]!='O')    /*  if boxes are empty or table is not filled completely*/
        return (true);
        }
     draw=true;
     return (false);

}
int main()
{
while(game_over())
{
display_table();
player_turn();
game_over();
}
if(turn =='X' && draw == false)
    cout<<"\tplayer:2 [O] Wins!\n\tCONGRATULATIONS\n";
if(turn =='O' && draw ==false)
    cout<<"\tplayer:1 [X] Wins!\n\tCONGRATULATIONS\n";
if(draw==true)
    cout<<"\n \t\tGAME DRAW !!";


    return 0;
}

help me to improve it more