13 lines
296 B
C
13 lines
296 B
C
#ifndef INTERNALS_H
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#define INTERNALS_H
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#include <stdbool.h>
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struct sudoku;
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bool update_sets(const struct sudoku *grid, bool possibilities[9][9][9]);
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bool single_occurrence(struct sudoku *grid, bool possibilities[9][9][9]);
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bool last_remaining(struct sudoku *grid);
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#endif /* !INTERNALS_H */
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