25 lines
762 B
C
25 lines
762 B
C
#ifndef CHESS_PATHS_H_INCLUDED
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#define CHESS_PATHS_H_INCLUDED
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enum chess_piece { KING, QUEEN, ROOK, BISHOP, KNIGHT, PAWN };
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/* Implemented by the application: */
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struct chessboard;
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int value_at(const struct chessboard * c, unsigned column, unsigned row);
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unsigned int columns(const struct chessboard * c);
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unsigned int rows(const struct chessboard * c);
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struct piece_position {
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enum chess_piece piece;
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unsigned int column;
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unsigned int row;
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};
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/* Implemented by you: */
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unsigned int increasing_path_len(const struct chessboard * c, struct piece_position * p);
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unsigned int decreasing_path_len(const struct chessboard * c, struct piece_position * p);
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unsigned int simple_path_len(const struct chessboard * c, struct piece_position * p);
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#endif
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