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


// 64x64 obtacle array, WITH BORDER ALL AROUND
double gridworld[66][66];

int main() {
  // initialize array to all zeros (free)
  for(int r=0; r<66; r++) {
    for(int c=1; c<66; c++) {
      gridworld[r][c] = 0;
    }
  }

  // initialize border array to all ones (obstacles)
  for(int i=0; i<66; i++) {
    gridworld[i][0]  = 1;
    gridworld[i][65] = 1;
    gridworld[0][i]  = 1;
    gridworld[65][i] = 1;
  }

  // initialize other obstacles from file
  FILE * gridFile;
  gridFile = fopen("gridworld.dat","r");
  int i, j;
  while (fscanf(gridFile, "%d\t%d", &i, &j) != EOF) {
    gridworld[i][j] = 1;
    std::cout << i << "\t" << j << std::endl;
  }
  fclose(gridFile);
}