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tictactoe.cpp
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tictactoe.cpp
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#include<iostream>
using namespace std;
char square [10]={'0','1','2','3','4','5','6','7','8','9'};
void board();
int checkwin();
int main ()
{
int player=1, i , choise ;
char mark ;
do{
board();
if(player%2==1)
player=1;
else
player=2;
cout<<"player "<<player<<" enter a number : ";
cin>>choise ;
if(player==1){
mark = 'X';
}
else {
mark ='O';
}
if( choise==1 && square[1] =='1')
square[1] = mark;
else if (choise==2 && square[2]== '2')
square [2]= mark ;
else if (choise==3 && square[3]== '3')
square [3]= mark ;
else if (choise==4 && square[4]== '4')
square [4]= mark ;
else if (choise==5 && square[5]== '5')
square [5]= mark ;
else if (choise==6 && square[6]== '6')
square [6]= mark ;
else if (choise==7 && square[7]== '7')
square [7]= mark ;
else if (choise==8 && square[8]== '8')
square [8]= mark ;
else if (choise==9 && square[9]== '9')
square [9]= mark ;
else {
cout<<"invalid move ";
player --;
cin.ignore();
cin.get();
}
i = checkwin();
player ++;
}
while (i==-1);
board();
if(i==1)
cout<<" ==> \a PLAYER "<<--player<<" WIN ";
else
cout<<" ==> \a GAME DRAW ";
cin.ignore();
cin.get();
return 0;
}
void board()
{
system("cls");
cout<<"\n\t\t\t============================================";
cout<<"\n\t\t\t\t\tTic Tac Toe\n";
cout<<"\n\t\t\t============================================";
cout<<"\n\nPlayer 1 (X)- Player 2 (O)"<<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;
}
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;
}
}