32 lines
980 B
C
32 lines
980 B
C
/*
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* Copyright (C) 2022 Camden Dixie O'Brien
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this program. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#ifndef SOLVE_H
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#define SOLVE_H
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#include "sud.h"
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/**
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* Attempt to solve the given sudoku. Finishes when no rules match for
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* an entire pass over the puzzle, returning the number of passes, or
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* -1 on error.
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*/
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int solve(struct sudoku *sud);
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#endif
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