12 lines
302 B
C
12 lines
302 B
C
#include "common.h"
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int64_t get_sign(int64_t n);
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bool tile_empty(tile_t t);
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index_t abs_index(index_t i);
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index_t column(index_t i);
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index_t row(index_t i);
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tile_t abs_tile(tile_t t);
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tile_t get_color(tile_t t);
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bool same_color(tile_t a, tile_t b);
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bool opposite_color(tile_t a, tile_t b);
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