Compilare: user.cpp: In function ‘bool count(int&, int&)’: user.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘bool win(char)’: user.cpp:93:22: warning: unused variable ‘blank’ [-Wunused-variable] int on_something,blank; ^ user.cpp: In function ‘bool has_win(char)’: user.cpp:88:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘bool has_move(char)’: user.cpp:152:1: warning: control reaches end of non-void function [-Wreturn-type] } ^