Compilare: user.cpp: In function ‘int caut0(int, int)’: user.cpp:15:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int caut1(int, int)’: user.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘unsigned int caut2(int, int)’: user.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] } ^