In file included from /in/Compile/check.cpp:7:
/in/sokoban.hpp:234:45: error: unused parameter 'grid' [-Werror,-Wunused-parameter]
std::string solve(std::vector<std::string> &grid) {
                                            ^
1 error generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1