C언어 예제 - 틱택토 게임

#include <stdio.h>

int main(void)
{
	char board[3][3];
    int x, y, k, i;
    
    for (x = 0; x < 3; x++)
    	for (y = 0; y < 3; y++) board[x][y] = ' ';
        
        for (k = 0; k < 9; k++){
        	printf("(x, y) 좌표 입력: ");
            scanf(" %d %d", &x, &y);
            board[x][y] = (l % 2 == 0) ? 'X' : 'O';
            
            for (i = 0; i < 3; i++){
            	printf("---|---|---\n");
                printf("%c	| %c | %c \n", board[i][0], board[i][1], board[i][2]);
            }
            printf("---|---|---\n");
        }
        return 0;
}