Compilare: user.cpp: In function ‘int lee(int, int, int)’: user.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int umple(int, int, int)’: user.cpp:51:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int bordare()’: user.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^