main.CPP

#include <iostream.h>
#include<dos.h>
#include<conio.h>
#include<ctype.h>
#include<stdlib.h>
#include<fstream.h>
#include<stdio.h>
#include<string.h>
#include<time.h>
char square[10] = {'o','1','2','3','4','5','6','7','8','9'};

    int checkwin();
    int checkwin2();
    void board(char*,int);
    void board2();
    char check_comp_X();
    int convert(char);
    char check_comp_O();
    int intelligent();
    int intelligent2();
    char finale();
    int player1(char*);
    int player2();
    int dev();
    void demo();
    void career();
    int gamestart(char*);
    int mainT();
    void player0(int);
    void restore();
    int entry();
    void drawer();
    void replay(char*);


    struct data
    {
    char a[100];
    int win;
    int lose;
    int draw;
    };
    void restore()
    {
 int i;
 for(i=1;i<=9;i++)
 {
     square[i]=(char)(i+48);
 }
    }
    void drawer()
    {
      char *ch;
      cout<<endl<<"to end press E(e) or else press any key to exit";
      gets(ch);
      if(strlen(ch)==1)
      {
      if(ch[0]=='e'|| ch[0]=='E')
      {
      return;
      }
      else
      {
      mainT();
      }
      }
      else
      {
      mainT();
      }
    }

    void main()
    {
    mainT();
    }

    int mainT()
    {char a,*b;
 int static l=0;
 data temp;
 label:
 clrscr();
 if(l==0)
 {
 demo();
 cout<<"\n\t\t Heartful Thanks to all"<<endl;
 cout<<"press any key to continue....";
 getch();
 l++;
 }
 clrscr();
 restore();
 cout<<endl;
 temp.win=0;
 temp.lose=0;
 temp.draw=0;
 cout<<" \t\t\t #TIC TAC TOE WITH ~@tnda~\n";
 cout<<"\t\t\t LETS SEE WHO WINS !!!! \n";
 cout<<"PREVIOUS RECORDS(p)-->(P)""\t\t\t\t"<<"(N)<--NEW GAME(n)"<<"\n";
 cout<<"\t\t\t EXIT(E) \n";

 cin>>a;
 if(a=='P'||a=='p')
 { career();

 }
 else
 {if(a=='N'||a=='n')
     {   int l,check=0;
  cout<<"Enter your name: \n";
  gets(temp.a);
  data t2;
  ifstream f2;
  f2.open("player.TXT",ios::binary);
  if(f2)
  {
  while(!f2.eof())
  {
  f2.read((char*)&t2,sizeof(t2));
  if(!strcmp(t2.a,temp.a))
  {
  temp.win=t2.win;
  temp.lose=t2.lose;
  temp.draw=t2.draw;
  check++;
  break;
  }
  }
  f2.close();
  }
  else
  {
  cout<<"some file problem";
  }
  l=gamestart(temp.a);

  ofstream f1;
  if(l!=3)
  {
  f1.open("player.TXT",ios::binary|ios::app|ios::out);
  switch(l)
  {
   case 0:
   temp.draw++;
   f1.write((char*)&temp,sizeof(temp));
   cout<<endl<<"game draw";
   break;
   case 1:
   temp.win++;
   f1.write((char*)&temp,sizeof(temp));
   cout<<endl<<"==>"<<temp.a<<" wins";
   break;
   case 2:
   temp.lose++;
   f1.write((char*)&temp,sizeof(temp));
   cout<<endl<<"==> computer wins";
   break;




  }

  f1.close();
   if(check!=0)
   {
   data tic;
   int nivi=0;
  ofstream ftemp;
  ftemp.open("temp.TXT",ios::binary);
  ifstream f3;
  f3.open("player.TXT",ios::binary);
  while(f3.read((char*)&tic,sizeof(data)))
  {
   if(nivi==0 && strcmp(tic.a,temp.a)==0)
   {
   nivi++;
   }
   else
   {
   ftemp.write((char*)&tic,sizeof(tic));
   }
  }

      ftemp.close();
      f3.close();
      ifstream ftemp1;
      ofstream f4;
      ftemp1.open("temp.TXT",ios::binary);
      f4.open("player.TXT",ios::binary);
      data p;

      while(ftemp1.read((char*)&p,sizeof(data)))
  {

   f4.write((char*)&p,sizeof(tic));

  }
      ftemp1.close();
      f4.close();
      }


      cout<<endl<<"to replay your game press R(r) else press any key";
      char *ch;
    gets(ch);
   if(strlen(ch)==1)
   {
   if(ch[0]=='r'|| ch[0]=='R')
    {
    replay(temp.a);
   }
   }  }
      drawer();
      }


     else
     {
  if(a=='e'||a=='E')
  {
      cout<<"********* BYE BYE BYE *********";
  }
  else
  {
      cout<<"Invalid entry";
      goto label;

     }}}
 getch();

 return 0;
    }

void career()
{       int t=0;
 data k;
 int n=0,count=0;
 ifstream f2;
 f2.open("player.TXT",ios::binary,ios::in);
 while(f2.read((char*)&k,sizeof(data)))
 {
 n++;
 }
 if(n==0)
 {
 cout<<endl<<"you have not played against computer even once"<<endl<<"PLease try once"<<endl;
 }
 f2.close();
 data *sorted;
 sorted =new data[n];
 ifstream f1;
 char ch;
 f1.open("player.TXT",ios::binary,ios::in);
 if(!f1)
 {
 cout<<"Enable to  Open";
 }
 clrscr();
 while(f1.read((char*)&k,sizeof(data)))
 {
 sorted[count]=k;
 count++;
 }
 f1.close();
 int i,j;


 data tempo;
 for(i=1;i<n;i++)
 {
  for(j=0;j<n-i;j++)
  {
  if(sorted[j].win<sorted[j+1].win)
  {
  tempo=sorted[j];
  sorted[j]=sorted[j+1];
  sorted[j+1]=tempo;
  }
  }
 }
 for(i=0;i<n;i++)
 {
 k=sorted[i];
 cout<<"PLayer Name: "<<k.a<<endl<<"Total  Winnings:"<<k.win<<endl<<"Total Game Loss:"<<k.lose<<endl<<"Total Game Draw:"<<k.draw<<endl;
 cout<<endl<<"*****************"<<endl;

 t++;
 if(t%4==0)
 {
 getch();
 }
 }


 drawer();
 getch();
    }

    int gamestart(char* name)
    {
 int t;
 cout<<"\n Person"<<"\t Starting your game \n";

 cout<<"AGAINST COMPUTER-->press 1 \t\t\t  AGAINST 2player-->press 2 \n";

 int i;
 cin>>i;
 if(i==1)
 {
     int k;
     cout<<"You are Player1 \n";
     cout<<"Press any key to continue";
     getch();
     k=player1(name);
     return(k);
 }
 else
 {
     cout<<"Human vs Human started press any key to continue";
     cout<<endl<<"human vs human records are not noted in progress meter";
     getch();
     player2();
     return (3);
 }
    }

    void demo()
    {
     randomize();
 srand(time(0));
 int i=random(9)+1;
 player0(i);
    }

    void player0(int p)
    {
 int t=0;
 int player=1,i,choice;
 char mark;
 do
 {
     board2();
     player=(player%2)?1:2;
     if(player==2)
     {
  if(t==0)
  {
      t++;
      choice=p;
  }
  else
  {
      t++;

      choice =intelligent();
  }
     }
     else
     {
  choice=intelligent2();
     }  mark=(player == 1) ? 'O' : 'X';

     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
     {

  player--;

     }
     i=checkwin2();

     player++;
 }while(i==-1);
 board2();

    }

    int player1(char* name)
    {
 int t=0;int l;
 int player=1,i,choice;
 char mark,*temp;
 ofstream f1;
 f1.open("game.TXT",ios::binary);
 do
 {
     board(name,1);
     player=(player%2)?1:2;
     cout << "Player " << player << ", enter a number:  ";
     if(player==1)
     {
  saksham:
  gets(temp);
  if(strlen(temp)!=1)
  {
  cout<<"invalid entry";
  goto saksham;
  }
  if(!(isdigit(temp[0])))
  {
  cout<<endl<<"invalid entry";
  goto saksham;
  }
  choice=convert(temp[0]);
  if(choice<1 || choice>9)
  {
  cout<<endl<<"invalid entry";
  goto saksham;
  }
     }

     else
     {
  if(t==0)
  {
      t++;
      choice=dev();
  }
  else
  {
      t++;
      choice =intelligent();
  }
     }
     mark=(player == 1) ? 'O' : 'X';

     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
     {
  cout<<"invalid entry";

  goto saksham;

     }
     f1.write((char*)&choice,sizeof(choice));
     i=checkwin();

     player++;
 }while(i==-1);
 board(name,1);
 if(i==1)
     {
     player--;
     return(player);
     }
 else
     {
     return(0);
     }

    }

    int player2()
    {
 int player = 1,i,choice;

 char mark,*temp;
 do
 {
     board("player 1",0);
     player=(player%2)?1:2;

     cout << "Player " << player << ", enter a number:  ";

  saksham:
  gets(temp);
  if(strlen(temp)!=1)
  {
  cout<<"invalid entry";
  goto saksham;
  }
  if(!(isdigit(temp[0])))
  {
  cout<<endl<<"invalid entry";
  goto saksham;
  }
  choice=convert(temp[0]);
  if(choice<1 || choice>9)
  {
  cout<<endl<<"invalid entry";
  goto saksham;
  }

     mark=(player == 1) ? 'O' : 'X';

     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
     {
  cout<<"invlaid move";
  goto saksham;

     }
     i=checkwin();

     player++;
 }while(i==-1);
 board("player 1",0);
 player--;
 if(i==1 && player==1)
 {

     cout<<"==>\aPlayer "<<player<<" win ";

 return 1;
 }
 else

     {
     if(i==1 && player==2)
     {
      cout<<"==>\aPlayer "<<player<<" win ";
      return 2;
     }
     cout<<"==>\aGame draw";

 return 0;
 }
    }

    /*

    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;
    }

    void board(char *name,int i)
    {
 clrscr();
 cout << "\n\n\tTic Tac Toe\n\n";
 if(i==1)
 {
 cout <<name<<" (O)  -  Computer (X)" << endl << endl;
  }
 else
 {
 cout <<"Player 1 (O)  -  Player 2 (X)" << endl << endl;
 }
 cout << endl;

 cout << "     |     |     " << endl;
 cout << "  " << square[1] << "  |  " << square[2] << "  |  " << square[3] << endl;

 cout << "_____|_____|_____" << endl;
 cout << "     |     |     " << endl;

 cout << "  " << square[4] << "  |  " << square[5] << "  |  " << square[6] << endl;

 cout << "_____|_____|_____" << endl;
 cout << "     |     |     " << endl;

 cout << "  " << square[7] << "  |  " << square[8] << "  |  " << square[9] << endl;

 cout << "     |     |     " << endl << endl;
    }

    char check_comp_X()
    {
 int t,j,k,i;
 t=0;
 char nivi[3][3];

 for(i=0;i<3;i++)
 {
     for(j=0;j<3;j++)
     {
  t++;
  nivi[i][j]=square[t];
     }
 }

 t=0;

 //i

 for(i=0;i<3;i++)
 {
     t=0;
     for(k=0;k<3;k++)
     {
  if(nivi[i][k]=='X')
  { t++;
  }
     }
     if(t==2)
     {
  for(k=0;k<3;k++)
  {
      if(isdigit(nivi[i][k])!=0)
      {
   return(nivi[i][k]);
      }
  }
     }
 }

 //j

 for(j=0;j<3;j++)
 {
     t=0;
     for(k=0;k<3;k++)
     {
  if(nivi[k][j]=='X')
  { t++;
  }
     }
     if(t==2)
     {
  for(k=0;k<3;k++)
  {
      if(isdigit(nivi[k][j])!=0)
      {
   return(nivi[k][j]);
      }
  }
     }
 }

 //principal diagnal
 t=0;
 for(i=0;i<3;i++)
 {
     if(nivi[i][i] =='X')
     {
  t++;
     }
 }

 if(t==2)
 {
     for(i=0;i<3;i++)
     {
  if(isdigit(nivi[i][i])!=0)
  {
      return(nivi[i][i]);
  }
     }

 }

 //2ndry diagnal
 t=0;
 for(i=0;i<3;i++)
 {
     if(nivi[i][2-i] =='X')
     {
  t++;
     }
 }

 if(t==2)
 {
     for(i=0;i<3;i++)
     {
  if(isdigit(nivi[i][2-i])!=0)
  {
      return(nivi[i][2-i]);
  }
     }

 }

 return(0);
    }

    int convert(char a)
    {
 if(a==NULL)
 {
     return((int)0);
 }
 else
 {
     int x=(int)a - 48;
     return(x);
 }
    }  //confusion problem with null ask sir


    char check_comp_O()
    {
 int t,i,j,k;
 t=0;
 char nivi[3][3];

 for(i=0;i<3;i++)
 {
     for(j=0;j<3;j++)
     {
  t++;
  nivi[i][j]=square[t];
     }
 }

 t=0;

 //i

 for(i=0;i<3;i++)
 {
     t=0;
     for(k=0;k<3;k++)
     {
  if(nivi[i][k]=='O')
  { t++;
  }
     }
     if(t==2)
     {
  for(k=0;k<3;k++)
  {
      if(isdigit(nivi[i][k])!=0)
      {
   return(nivi[i][k]);
      }
  }
     }
 }

 //j

 for(j=0;j<3;j++)
 {
     t=0;
     for(k=0;k<3;k++)
     {
  if(nivi[k][j]=='O')
  { t++;
  }
     }
     if(t==2)
     {
  for(k=0;k<3;k++)
  {
      if(isdigit(nivi[k][j])!=0)
      {
   return(nivi[k][j]);
      }
  }
     }
 }

 //principal diagnal
 t=0;
 for(i=0;i<3;i++)
 {
     if(nivi[i][i] =='O')
     {
  t++;
     }
 }

 if(t==2)
 {
     for(i=0;i<3;i++)
     {
  if(isdigit(nivi[i][i])!=0)
  {
      return(nivi[i][i]);
  }
     }

 }

 //2ndry diagnal
 t=0;
 for(i=0;i<3;i++)
 {
     if(nivi[i][2-i] =='O')
     {
  t++;
     }
 }

 if(t==2)
 {
     for(i=0;i<3;i++)
     {
  if(isdigit(nivi[i][2-i])!=0)
  {
      return(nivi[i][2-i]);
  }
     }

 }

 return(0);
    }


    int intelligent()
    {
 char t;
 int t1;
 t=check_comp_X();
 t1=convert(t);
 if(t1!=0)
 {
     return((int)t1);
 }

 t=check_comp_O();
 t1=convert(t);
 if(t1!=0)
 {
     return((int)t1);
 }

 t=finale();
 t1=convert((int)t);
 return(t1);

    }

    char finale()
    {
 int i;
 if(isdigit(square[5]))
 {
     return(square[5]);
 }
 if(isdigit(square[2]))
 {
     return(square[2]);
 }
 if(isdigit(square[4]))
 {
     return(square[4]);
 }
 if(isdigit(square[6]))
 {
     return(square[6]);
 }
 if(isdigit(square[8]))
 {
     return(square[8]);
 }

 for(i=1;i<=9;i++)
 {
     if(isdigit(square[i])!=0)
     {
  return(square[i]);
     }
 }
 return 0; //may give error
    }

    int dev()
    {
 if(square[5]=='O')
 {
     randomize();
     srand(time(0));
     int t=1,x;
     while(t==1)
     {
  x=random(9)+1;
  if(x==1)
  {
      return((int)x);
  }
  if(x==3)
  {
      return((int)x);
  }
  if(x==7)
  {
      return((int)x);
  }
  if(x==9)
  {
      return((int)x);
  }
     }
 }
 else
 {
     return((int)5);
 }
 return 0; //may give error
    }


    int intelligent2()
    {
 char t;
 int t1;
 t=check_comp_O();
 t1=convert(t);
 if(t1!=0)
 {
     return((int)t1);
 }

 t=check_comp_X();
 t1=convert(t);
 if(t1!=0)
 {
     return((int)t1);
 }

 t=finale();
 t1=convert((int)t);
 return(t1);

    }


    int checkwin2()
    {
 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;
    }

    void board2()
    {
 clrscr();
 cout << endl;
 cout<<"\t\t\t\t THE TIC TAC TOE"<<endl<<"Class 12th project";
 cout<<endl<<endl;
 cout<<"\t\t\t\t Happy playing"<<endl;

 cout << "\t\t\t           |     |     " << endl;
 cout << "\t\t\t        " << square[1] << "  |  " << square[2] << "  |  " << square[3] << endl;

 cout << "\t\t\t      _____|_____|_____" << endl;
 cout << "\t\t\t           |     |     " << endl;

 cout << "\t\t\t        " << square[4] << "  |  " << square[5] << "  |  " << square[6] << endl;

 cout << "\t\t\t      _____|_____|_____" << endl;
 cout << "\t\t\t           |     |     " << endl;

 cout << "\t\t\t        " << square[7] << "  |  " << square[8] << "  |  " << square[9] << endl;

 cout << "\t\t\t           |     |     " << endl << endl;
    }

    void replay(char* name)
    {    int k=1;
   restore();
 int player = 1,i,choice;
 ifstream f1;
 f1.open("game.txt",ios::binary);
 char mark,*temp;
 do
 {
    delay(1000);
     board(name,k);
     player=(player%2)?1:2;

     mark=(player == 1) ? 'O' : 'X';
     f1.read((char*)&choice,sizeof(choice));
     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;
     i=checkwin();

     player++;



 }while(i==-1);
 board(name,k);


 player--;

 if(i==1 && player==1)
 {

     cout<<"==>\a "<<name<<" win ";

 return ;
 }
 else

     {
     if(i==1 && player==2)
     {
      cout<<"==>\a "<<"computer"<<" win ";
      return ;
     }
     cout<<"==>\aGame draw";

 return ;
    }} 
//Thank you