Compilare: main.cpp: In member function 'int Graf::vall_graf()': main.cpp:80:5: warning: no return statement in function returning non-void [-Wreturn-type] 80 | } | ^ main.cpp: In function 'int main()': main.cpp:92:25: warning: unused variable 'c' [-Wunused-variable] 92 | int n,m,pl,pc,cl,cc,c,x; | ^