Compilare: main.cpp: In member function 'int ARBORE::balance(nod*)': main.cpp:31:5: warning: control reaches end of non-void function [-Wreturn-type] 31 | } | ^ main.cpp: In member function 'int ARBORE::pref(int)': main.cpp:231:5: warning: control reaches end of non-void function [-Wreturn-type] 231 | } | ^ main.cpp: In member function 'int ARBORE::suf(int)': main.cpp:201:5: warning: control reaches end of non-void function [-Wreturn-type] 201 | } | ^