In file included from /in/Compile/check.cpp:7:
/in/sokoban.hpp:70:12: error: unused variable 'x' [-Werror,-Wunused-variable]
    size_t x = box.x;
           ^
/in/sokoban.hpp:71:12: error: unused variable 'y' [-Werror,-Wunused-variable]
    size_t y = box.y;
           ^
2 errors generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1