#include <stdio.h>


char char_at(int k);
void mostra_tabuleiro(int t[4][4]);
int valido(int t[4][4], int l, int c);
int terminou(int t[4][4], int c);

// variavel global onde vai ser armazenado tabuleiro
int tab[4][4];

int main() {
int cont, l, c;

    cont = 1;
    while (! terminou(tab, cont) ) {
       mostra_tabuleiro(tab);
       printf("Entre com seu lance (linha coluna) ");
       scanf("%d", &l);
       scanf("%d", &c);
       if ( valido(tab, l, c)) {
          tab[l][c] = cont % 2 + 1;
          cont++;
       }
       else
            printf("Movimento invalido\n");
    }
    printf("Jogo terminou!!!\n");
    mostra_tabuleiro(tab);
}

void mostra_tabuleiro(int t[4][4]) {
int j;

    printf("\n\n %c | %c | %c\n", char_at(t[1][1]), char_at(t[1][2]), char_at(t[1][3]));
    printf("-----------\n");
    printf(" %c | %c | %c\n", char_at(t[2][1]), char_at(t[2][2]), char_at(t[2][3]));
    printf("-----------\n");
    printf(" %c | %c | %c\n", char_at(t[3][1]), char_at(t[3][2]), char_at(t[3][3]));

}

char char_at(int k) {

   if (k == 1) return 'O';
   if (k == 2) return 'X';
   return ' ';

}

int valido(int t[4][4], int l, int c) {

    if ( l < 1 || l > 3 || c < 1 || c > 3) return 0;
    if (t[l][c] != 0) return 0;
    return 1;

}

int terminou(int t[4][4], int c) {
   if (c > 9) return 1;
   if (t[1][1] == t[1][2] && t[1][2] == t[1][3] && t[1][3] != 0 ) return 1;
   if (t[2][1] == t[2][2] && t[2][2] == t[2][3] && t[2][3] != 0 ) return 1;
   if (t[3][1] == t[3][2] && t[3][2] == t[3][3] && t[3][3] != 0 ) return 1;
   if (t[1][1] == t[2][1] && t[2][1] == t[3][1] && t[3][1] != 0 ) return 1;
   if (t[1][2] == t[2][2] && t[2][2] == t[3][2] && t[3][2] != 0 ) return 1;
   if (t[1][3] == t[2][3] && t[2][3] == t[3][3] && t[3][3] != 0 ) return 1;
   if (t[1][1] == t[2][2] && t[2][2] == t[3][3] && t[3][3] != 0 ) return 1;
   if (t[1][3] == t[2][2] && t[2][2] == t[3][1] && t[3][1] != 0 ) return 1;
   return 0;

}