In file included from /in/Compile/check.cpp:7:
In file included from /in/sokoban.hpp:9:
/in/Distance.hpp:160:199: error: unused parameter 'grid' [-Werror,-Wunused-parameter]
int heuristic1(const std::unordered_set<std::pair<size_t, size_t>, pair_hash> &currentBoxes, const std::unordered_set<std::pair<size_t, size_t>, pair_hash> &targets, const std::vector<std::string> &grid)
                                                                                                                                                                                                      ^
1 error generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1