Compilare: user.cpp: In function 'int main()': user.cpp:82: warning: format '%d' expects type 'int*', but argument 2 has type 'char*' user.cpp:83: warning: format '%d' expects type 'int*', but argument 2 has type 'char*' user.cpp:106: warning: 'q' is used uninitialized in this function user.cpp:106: warning: 'nq' is used uninitialized in this function