Compilare: user.cpp: In function 'int main()': user.cpp:23: warning: array subscript has type 'char' user.cpp:30: warning: array subscript has type 'char' user.cpp:30: warning: array subscript has type 'char' user.cpp:30: warning: array subscript has type 'char' user.cpp:34: warning: array subscript has type 'char' user.cpp:34: warning: array subscript has type 'char' user.cpp:34: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char'