In file included from /in/Compile/check.cpp:7:
/in/sokoban.hpp:178:38: error: unused parameter 'grid' [-Werror,-Wunused-parameter]
bool existpath(const vector<string> &grid, size_t y, size_t x)
                                     ^
/in/sokoban.hpp:178:51: error: unused parameter 'y' [-Werror,-Wunused-parameter]
bool existpath(const vector<string> &grid, size_t y, size_t x)
                                                  ^
/in/sokoban.hpp:178:61: error: unused parameter 'x' [-Werror,-Wunused-parameter]
bool existpath(const vector<string> &grid, size_t y, size_t x)
                                                            ^
3 errors generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1