Compilare: main.cpp: In function 'void upd(int, ura)': main.cpp:4:11: warning: statement has no effect [-Wunused-value] 4 | #define x first | ^~~~~ main.cpp:44:10: note: in expansion of macro 'x' 44 | for (x; x <= timp; x += lsb(x)) | ^ main.cpp: In function 'ura qry(int)': main.cpp:4:11: warning: statement has no effect [-Wunused-value] 4 | #define x first | ^~~~~ main.cpp:50:10: note: in expansion of macro 'x' 50 | for (x; x; x -= lsb(x)) | ^