23 lines
703 B
C++
23 lines
703 B
C++
#include "cell.h"
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#include <algorithm>
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#include <cassert>
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Cell::Cell()
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: state_(Unsolved), value_(0), possibilities_{true, true, true, true, true,
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true, true, true, true} {}
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Cell::Cell(uint8_t value)
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: state_(Solved), value_(value), possibilities_{false, false, false,
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false, false, false,
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false, false, false} {}
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void Cell::Restrict(uint8_t value) {
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assert(value >= 1 && value <= 9);
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possibilities_[value - 1] = false;
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}
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uint8_t Cell::NumPossibilities() {
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return std::count(possibilities_.begin(), possibilities_.end(), true);
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}
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