Compilare: user.cpp: In function 'int main()': user.cpp:38: warning: unused variable 'j' user.cpp: In function 'int max(int, int, int)': user.cpp:31: warning: control reaches end of non-void function user.cpp: In function 'int med(int, int, int)': user.cpp:24: warning: control reaches end of non-void function user.cpp: In function 'int min(int, int, int)': user.cpp:17: warning: control reaches end of non-void function