void print_fence(short current_row, short fence_size) {
  short i = 0;
  if (current_row == 0 ||
      current_row == fence_size) { // checks for first and last row
    if (fence_size % 2 == 0) {     // checks if the fence is even
      for (; i < fence_size;
           i += 2) { // i += 2 because two characters are being printed
        printf("-|");
      }
    } else {
      printf("|");
      i++; // i++ because one character was printed
      for (; i < fence_size;
           i += 2) { // i += 2 because two characters are being printed
        printf("-|");
      }
    }
  } else {
    if (fence_size % 2 == 0) { // checks if the fence is even
      for (; i < fence_size;
           i += 2) { // i += 2 because two characters are being printed
        printf(" |");
      }
    } else {
      printf("|");
      i++; // i++ because one character was printed
      for (; i < fence_size;
           i += 2) { // i += 2 because two characters are being printed
        printf(" |");
      }
    }
  }
  printf("\n");
}