TicTacToe.cxx

#include <iostream>
#include <conio>
#include <process>

#define getch __getch

using namespace std;
char a[3][3];

void draw(){
  cout<<"  "<<a[0][0]<<"__|__"<<a[0][1]<<"__|__"<<a[0][2]<<endl;
  cout<<"  "<<a[1][0]<<"__|__"<<a[1][1]<<"__|__"<<a[1][2]<<endl;
  cout<<"  "<<a[2][0]<<"  |  "<<a[2][1]<<"  |  "<<a[2][2]<<endl;
}

int check(){
  for(int q=0; q<3; q++){
    if(a[q][0]==a[q][1] && a[q][1]== a[q][2] && (a[q][2]=='O' || a[q][2]=='X'))
      return 1;
    if(a[0][q]== a[1][q] && a[1][q]==a[2][q] && (a[2][q]=='O' || a[2][q]=='X'))
      return 1;
  }
  if(a[0][0]==a[1][1] && a[1][1]== a[2][2] && (a[2][2]=='X' || a[2][2]=='O'))
    return  1;
  if(a[0][2]==a[1][1] && a[1][1]==a[2][0] && (a[2][0]=='X'|| a[2][0]=='O'))
    return 1;
  else
    return -1;
}

void initialise(){
  for(int i=0; i<3; i++){
    for(int j=0; j<3; j++){
      a[i][j]='*';
    }
  }
}

int main(){
  clrscr();
  int player;
  int w,i;
  char mark;
  int r, c;
  initialise();
  while(w!=1){
    if(i % 2==0) { player=1;  mark='X'; }
    else         { player=2;  mark='O'; }
    cout<<"PLAYER: "<<player;
    cout<<"\nrow: ";
    cin>>r;
    cout<<"col: "  ;
    cin>>c;
    getch();
    clrscr();
  //this if statement i tried to write in the check function block but then wo while loop me implement nai ho ra..how to do that?
    if(a[0][0]!='*'&& a[0][1]!='*'&&a[0][2]!='*'&&a[1][0]!='*'&&a[1][1]!='*'&&a[1][2]!='*'&&a[2][0]!='*'&&a[2][1]!='*'&&a[2][2]!='*'){
      w=0;
      break;
    }
    if(a[r][c]=='*'){
      a[r][c]=mark;
      draw();
      w=check();
      i++;
    }else{
      draw();
      i=i+2;
    }
  }
  if(w==1){
    clrscr();
    cout<<"\n\n\n PLAYER "<<player<<" WON" ;
    getch();
    exit(0);
  }
  if(w==0){
    clrscr();
    cout<<"GAME draw ";
    getch();
    exit(0);
  }
  // Something went wrong
  return -1;
}