Compilare: user.cpp: In function ‘eent expresie()’: user.cpp:21:10: warning: unused variable ‘A’ [-Wunused-variable] eent A; ^ user.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘eent numar()’: user.cpp:29:10: warning: unused variable ‘A’ [-Wunused-variable] eent A; ^ user.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:68:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(EF !=nimic) ^