#ifndef SOLVER_H
#define SOLVER_H

#include "puzzle.h"

struct cell {
  short b_black;
  short right_sum;
  short right_len;
  short down_sum;
  short down_len;
  short value;
  unsigned short whitelist;

  short up;
  short down;
  short right;
  short left;
};

#define IS_PWR_TWO(x) ((x) > 0 && !((x) & ((x) - 1)))

int solve_puzzle(Puzzle *puzzle);

int recursive_solve(struct cell *list, int length, int start);
int block_value(struct cell *cell, int direction);



#endif