| | 1 | #ifndef _SLIDING_TILE_LIB_H |
| | 2 | #define _SLIDING_TILE_LIB_H |
| | 3 | |
| | 4 | #include <istream> |
| | 5 | #include <ostream> |
| | 6 | |
| | 7 | const int BOARD_DIM = 4; |
| | 8 | const int BOARD_SIZE = BOARD_DIM * BOARD_DIM; |
| | 9 | |
| | 10 | struct InvertedBoard { |
| | 11 | signed char pos[BOARD_SIZE]; |
| | 12 | }; |
| | 13 | |
| | 14 | struct Board { |
| | 15 | signed char board[BOARD_SIZE]; |
| | 16 | bool is_valid() const; |
| | 17 | signed char hole() const; |
| | 18 | InvertedBoard invert() const; |
| | 19 | int distance(const Board& o) const; |
| | 20 | int distance(const InvertedBoard& invo) const; |
| | 21 | }; |
| | 22 | std::istream& operator>>(std::istream& is, Board& board); |
| | 23 | std::ostream& operator<<(std::ostream& os, const Board& board); |
| | 24 | |
| | 25 | extern signed char adjacent[BOARD_SIZE][5]; |
| | 26 | |
| | 27 | #endif /* _SLIDING_TILE_LIB_H */ |
projects / slidingtile / blame_incremental