Compilare: main.cpp: In member function 'int ARBORE::pref(int)': main.cpp:364:5: warning: control reaches end of non-void function [-Wreturn-type] 364 | } | ^ main.cpp: In member function 'int ARBORE::suf(int)': main.cpp:334:5: warning: control reaches end of non-void function [-Wreturn-type] 334 | } | ^