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#pragma once
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#include <vector>
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#include <cstdint>
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#include "utils/utility.h"
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namespace klotski::cases {
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class Ranges : public std::vector<uint32_t> {
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public:
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/// Spawn klotski-ranges that match the specified block numbers.
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void spawn(int n, int n_2x1, int n_1x1);
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/// Derive the legal klotski-ranges with specified head.
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void derive(int head, Ranges &output) const;
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/// Check whether the combination of head and range is valid.
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static KLSK_INLINE int check(int head, uint32_t range);
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};
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typedef std::array<Ranges, 16> RangesUnion;
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// TODO: add RangesUnion here
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// TODO: -> spawn from Ranges / export std::vector<CommonCode>
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} // namespace klotski::cases
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