Compilare: user.cpp: In function ‘int citeste()’: user.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int cer1()’: user.cpp:43:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int cer2()’: user.cpp:64:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int afis(int, int, int)’: user.cpp:78:1: warning: control reaches end of non-void function [-Wreturn-type] } ^