#include<stdio.h>

#define NOT_USED 0
#define CIRCLE 1
#define CROSS 2

#define SIZE 3

int main(int argc, char* argv[]) {

  int ticTacToe[SIZE][SIZE];
  int *pa;
  int i,j;


  printf("Initial addresses and values\n");
  for(i=0;i<SIZE;i++) {
    for(j=0;j<SIZE;j++) {

      ticTacToe[i][j] = NOT_USED;
      printf("\t[%d][%d]: address=%p value=%d\n",i, j, &ticTacToe[i][j] , ticTacToe[i][j]);
    }
  }

  /**Ask for user input on tic tac toe board**/
  // User will input in row-major order using following notations
  // x for cross
  // o for circle
  // - for no entry
  // E.g. input
  // x o x
  // x - x
  // o o -
  
  /**Ask for user input on tic tac toe board**/
  // TODO:
  // Assign pi to start of the array
  // scanf each cell input using pi (and not directly using ticTacToe[][])
  // Assign CROSS if input is x
  // Assign CIRCLE if input is o
  // Assign NOT_USED if input is - 
  // Hint: Use switch-case statements
  
  /**Print the board**/
  // TODO: Print the board using x,o,- 

  /**Check if x has won , or o has won, or if it is a tie **/
  // TODO: Code the logic to test if some has won
  // Hint: Go over rows, then go over columns, then go over diagonals
  
  // Going over rows using pointers
  printf("Parsing rows using pointers:\n");
  for(i=0;i<SIZE;i++) {
    pa = ticTacToe[i];

    for(j=0;j<SIZE;j++) {

      printf("\t[%d][%d]: pa: address=%p value=%d\n",i, j, pa, *pa);
      pa++;
    }
  }

  // Going over columns using pointers
  printf("Parsing columns using pointers:\n");
  for(j=0;j<SIZE;j++) {
    pa = ticTacToe[0] + j;

    for(i=0;i<SIZE;i++) {
      printf("\t[%d][%d]: pa: address=%p value=%d\n",i, j, pa, *pa);
      pa = pa + SIZE;
    }
  }
  
  // TODO: Going over diagonals
}