Compilare: user.cpp: In function ‘void inmul(int, char*)’: user.cpp:49: warning: array subscript has type ‘char’ user.cpp: In function ‘int imparte(int, char*)’: user.cpp:61: warning: array subscript has type ‘char’ user.cpp: In function ‘void scade(char*, char*)’: user.cpp:91: warning: array subscript has type ‘char’ user.cpp: In function ‘void convert(char*, char*)’: user.cpp:100: warning: array subscript has type ‘char’