Compilare: user.cpp: In function ‘void transform(std::string, int, int)’: user.cpp:15: warning: array subscript has type ‘char’ user.cpp:20: warning: array subscript has type ‘char’ user.cpp:26: warning: array subscript has type ‘char’ user.cpp:34: warning: array subscript has type ‘char’ user.cpp:36: warning: array subscript has type ‘char’ user.cpp:36: warning: array subscript has type ‘char’ user.cpp:37: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:52: warning: array subscript has type ‘char’ user.cpp:55: warning: array subscript has type ‘char’ user.cpp:81: warning: array subscript has type ‘char’ user.cpp:83: warning: array subscript has type ‘char’ user.cpp: In function ‘void transform(std::string, int, int)’: user.cpp:10: warning: ‘lit’ may be used uninitialized in this function