Compilare: user.cpp: In function ‘int main()’: user.cpp:46:10: warning: statement is a reference, not call, to function ‘solve’ [-Waddress] solve; ^ user.cpp:46:10: warning: statement has no effect [-Wunused-value] user.cpp:47:9: warning: statement is a reference, not call, to function ‘afis’ [-Waddress] afis; ^ user.cpp:47:9: warning: statement has no effect [-Wunused-value] user.cpp: In function ‘void afis()’: user.cpp:32:8: warning: ‘mx’ is used uninitialized in this function [-Wuninitialized] g<<mx<<'\n'; ^