Compilare: user.cpp:58:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:46: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:49: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:55: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:45: warning: unused variable 'x'