Compilare: user.cpp: In function 'void read()': user.cpp:14: warning: use of 'll' length modifier with 'f' type character user.cpp:15: warning: use of 'll' length modifier with 'f' type character user.cpp:16: warning: use of 'll' length modifier with 'f' type character user.cpp: In function 'int main()': user.cpp:40: warning: use of 'll' length modifier with 'f' type character user.cpp:66: warning: use of 'll' length modifier with 'f' type character