Compilare: user.cpp:90:7: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:41: warning: array subscript has type 'char' user.cpp:41: warning: array subscript has type 'char' user.cpp:41: warning: array subscript has type 'char' user.cpp:54: warning: array subscript has type 'char' user.cpp:54: warning: array subscript has type 'char' user.cpp:54: warning: array subscript has type 'char'