#include <stdio.h>
char board[3][3];
void initialize_board()
{
for(int row=0;row<3;row++)
{
for(int col =0;col<3;col++)
{
board[row][col]=' ';
}
}
}
void print_board()
{
printf("%c |%c |%c \n",board[0][0],board[0][1],board[0][2]);
printf("---+---+---\n");
printf("%c |%c |%c \n",board[1][0],board[1][1],board[0][2]);
printf("---+---+---\n");
printf("%c |%c |%c \n",board[2][0],board[2][1],board[2][2]);
}
int check_win(char player)
{
for(int i =0;i<3;i++)
{
if(board[i][0] == player &&
board[i][1] == player &&
board[i][2] == player)
{
return 1;
}
if(board[0][i] == player &&
board[1][i] == player &&
board[2][i] == player)
{
return 1;
}
}
if(board[0][0] == player &&
board[1][1] == player &&
board[2][2] == player)
{
return 1;
}
if(board[0][2] == player &&
board[1][1] == player &&
board[2][2] == player)
{
return 1;
}
return 0;
}
int main()
{
int row,col;
char player='X';
initialize_board();
while(1)
{
printf("Player %c's turn. \n",player);
printf("Enter row(0-2):");
scanf("%d",&row);
printf("Enter column (0-2):");
scanf("%d",&col);
if(row <0 || row>2 || col<0 ||col>2)
{
printf("Invalid input.Try again. \n");
continue;
}
if(board[row][col] !=' ')
{
printf("That space is already occupied. Try again. \n");
continue;
}
board[row][col]=player;
print_board();
if(check_win(player))
{
printf("Player %c wins!\n",player);
break;
}
if(player=='X')
{
player='0';
}
else
{
player = 'X';
}
}
return 0;
}