Compilare: user.cpp:4:21: warning: "/*" within comment user.cpp:55:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:30: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long long int*' user.cpp:33: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long long int*' user.cpp:51: warning: format '%d' expects type 'int', but argument 2 has type 'long long int'