#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
char box[10] = {'o','1','2','3','4','5','6','7','8','9'};
int win[3]={0,0,0};
int round=1;
int checkwin();
void grid();
int main()
{
while(round<=3){
int player = 1, i, choice;
char mark;
do
{
grid();
player = (player % 2) ? 1 : 2;
printf("\tPlayer %d, enter a number: ", player);
scanf("%d", &choice);
mark = (player == 1) ? 'X' : 'O';
if (choice == 1 && box[1] == '1')
box[1] = mark;
else if (choice == 2 && box[2] == '2')
box[2] = mark;
else if (choice == 3 && box[3] == '3')
box[3] = mark;
else if (choice == 4 && box[4] == '4')
box[4] = mark;
else if (choice == 5 && box[5] == '5')
box[5] = mark;
else if (choice == 6 && box[6] == '6')
box[6] = mark;
else if (choice == 7 && box[7] == '7')
box[7] = mark;
else if (choice == 8 && box[8] == '8')
box[8] = mark;
else if (choice == 9 && box[9] == '9')
box[9] = mark;
else
{
printf("\tInvalid move ");
player--;
getch();
}
i = checkwin();
player++;
}while (i == - 1);
grid();
if (i == 1)
{
printf("\tPlayer %d won the round. \n",--player);
win[player]++;
box[1]='1',box[2]='2',box[3]='3',box[4]='4',box[5]='5',box[6]='6',box[7]='7',box[8]='8',box[9]='9';
}
else
{
win[1]++;
win[2]++;
printf("\tDraw");
box[1]='1',box[2]='2',box[3]='3',box[4]='4',box[5]='5',box[6]='6',box[7]='7',box[8]='8',box[9]='9';
}
round++;
getch();
}
printf("\n\tPlayer 1: %d pts \n\tPlayer 2: %d pts \n",win[1],win[2]);
if(win[1]>win[2]){printf("\n\tPlayer 1 Wins.");}
else if (win[1]<win[2]){printf("\nPlayer 2 Wins.");}
else {printf("\nIt's A Draw");}
return 0;
}
int checkwin()
{
if (box[1] == box[2] && box[2] == box[3])
return 1;
else if (box[4] == box[5] && box[5] == box[6])
return 1;
else if (box[7] == box[8] && box[8] == box[9])
return 1;
else if (box[1] == box[4] && box[4] == box[7])
return 1;
else if (box[2] == box[5] && box[5] == box[8])
return 1;
else if (box[3] == box[6] && box[6] == box[9])
return 1;
else if (box[1] == box[5] && box[5] == box[9])
return 1;
else if (box[3] == box[5] && box[5] == box[7])
return 1;
else if (box[1] != '1' && box[2] != '2' && box[3] != '3' &&
box[4] != '4' && box[5] != '5' && box[6] != '6' && box[7]
!= '7' && box[8] != '8' && box[9] != '9')
return 0;
else
return - 1;
}
void grid()
{
system("cls");
printf("\n\n\t\tTic Tac Toe\n\n");
printf("\tPlayer 1 (X) - Player 2 (O)\n\n\n");
printf("\t Round: %d\n\n",round);
printf("\t | | \n");
printf("\t %c | %c | %c \n", box[1], box[2], box[3]);
printf("\t _____|_____|_____\n");
printf("\t | | \n");
printf("\t %c | %c | %c \n", box[4], box[5], box[6]);
printf("\t _____|_____|_____\n");
printf("\t | | \n");
printf("\t %c | %c | %c \n", box[7], box[8], box[9]);
printf("\t | | \n\n");
}