Compilare: user.cpp: In function ‘coords get_validHole()’: user.cpp:110:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void min_dist_to_hole()’: user.cpp:102:24: warning: ‘yCoord’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<xCoord<<' '<<yCoord<<' '<<min_dist-1<<'\n'; ^ user.cpp:102:11: warning: ‘xCoord’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<xCoord<<' '<<yCoord<<' '<<min_dist-1<<'\n'; ^