In file included from /in/Compile/check.cpp:7:
/in/sokoban.hpp:167:18: error: unused variable 'temp_nn' [-Werror,-Wunused-variable]
            char temp_nn=grid[nnx1][nny1];
                 ^
1 error generated.
/in/Compile/Makefile:16: recipe for target 'main' failed
make: *** [main] Error 1