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[slidingtile] / sliding_tile_lib.h
1 #ifndef _SLIDING_TILE_LIB_H
2 #define _SLIDING_TILE_LIB_H
3
4 #include <istream>
5
6 const int BOARD_DIM = 4;
7 const int BOARD_SIZE = BOARD_DIM * BOARD_DIM;
8
9 struct Board {
10 signed char board[BOARD_SIZE];
11 bool is_valid();
12 };
13 std::istream& operator>>(std::istream& is, Board& board);
14
15 extern signed char adjacent[BOARD_SIZE][5];
16
17 #endif /* _SLIDING_TILE_LIB_H */