Compilare: user.cpp:172:2: warning: no newline at end of file user.cpp: In function 'void get_sol()': user.cpp:22: warning: unused variable 'aux' user.cpp:22: warning: unused variable 'p' user.cpp: In function 'void get_sol2()': user.cpp:36: warning: unused variable 'i' user.cpp:36: warning: unused variable 'aux' user.cpp:36: warning: unused variable 'n' user.cpp:37: warning: unused variable 'lim' user.cpp: In function 'config hash_look(package)': user.cpp:86: warning: comparison between signed and unsigned integer expressions