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24 lines
529 B
24 lines
529 B
9 months ago
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#include <cstdint>
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#include "cases.h"
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#include "utils/utility.h"
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block_num_t get_block_num(uint32_t range) {
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block_num_t result {};
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range = klotski::range_reverse(range);
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for (; range; range >>= 2) {
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switch (range & 0b11) {
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case 0b01: // 1x2 block
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++result.n_1x2;
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continue;
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case 0b10: // 2x1 block
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++result.n_2x1;
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continue;
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case 0b11: // 1x1 block
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++result.n_1x1;
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continue;
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}
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}
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return result;
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}
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