#include        <stdio.h>
#include        <stdlib.h>

main()
{

int i,j,cont=1;
char quadro[3][3] = {'-','-','-','-','-','-','-','-','-'};


/* sortear na matriz */

        srand(time(NULL));
                i = rand()%3; /* 0,1,2 */
                j = rand()%3; /* 0,1,2 */
        quadro[i][j] = 'x';

/* tentar acertar e conta quantas vezes nao acertou */

        while (printf("Tente acertar \n"), scanf("%d",&i), scanf("%d",&j), quadro[i][j] != 'x')
        cont++;

        printf("Tentativas = %d \n \n", cont);

/* Exibicao da matriz */

        printf("Exibindo a matriz \n \n");

                for(i=0;i<3;i++)
                for(j=0;j<3;j++)
        {
                printf("  %c",quadro[i][j]);

                        if (j == 2) /* ultima coluna */

                printf(" \n");
        }