Compilare: user.cpp:89:3: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp:55: warning: format '%d' expects type 'int*', but argument 9 has type 'long long unsigned int*' user.cpp:83: warning: format '%ld' expects type 'long int', but argument 3 has type 'long long unsigned int'