Compilare: user.cpp:87:7: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:40: warning: array subscript has type 'char' user.cpp:40: warning: array subscript has type 'char' user.cpp:40: warning: array subscript has type 'char' user.cpp:52: warning: array subscript has type 'char' user.cpp:52: warning: array subscript has type 'char' user.cpp:52: warning: array subscript has type 'char'