Compilare: user.cpp: In function 'int main()': user.cpp:26: warning: format '%d' expects type 'int', but argument 5 has type 'long int' user.cpp:5: warning: unused variable 'j' user.cpp:6: warning: 'max' may be used uninitialized in this function user.cpp:5: warning: 'pf' may be used uninitialized in this function user.cpp:5: warning: 'pi' may be used uninitialized in this function