Compilare: user.cpp: In function ‘int main()’: user.cpp:23: warning: array subscript has type ‘char’ user.cpp:23: warning: array subscript has type ‘char’ user.cpp:25: warning: array subscript has type ‘char’ user.cpp:26: warning: array subscript has type ‘char’ user.cpp:27: warning: array subscript has type ‘char’ user.cpp:32: warning: array subscript has type ‘char’ user.cpp:33: warning: array subscript has type ‘char’ user.cpp:34: warning: array subscript has type ‘char’